@font-face{font-family:Manrope Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/manrope-latin-wght-normal-DHIcAJRg-v2.woff2) format("woff2-variations")}@font-face{font-family:Plus Jakarta Sans Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/plus-jakarta-sans-latin-wght-normal-eXO_dkmS-v2.woff2) format("woff2-variations")}:root{color:#18342f;background:#f7f5ef;font-family:Manrope Variable,Manrope,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--ink: #18342f;--muted: #6f7f78;--paper: #fffdf8;--canvas: #f7f5ef;--green: #1d6d5b;--green-dark: #155345;--mint: #dcebe3;--line: #dddcd4;--coral: #df765d;--shadow: 0 18px 50px rgba(35, 59, 52, .09);--tab-selected-fill: #536A96;--tab-selected-ink: #ffffff;--status-warning: #a16207}:root{--ink: #34221b;--muted: #77685d;--paper: #fffdf8;--canvas: #fff8ea;--green: #f5b83d;--green-dark: #dc9216;--mint: #fff0c8;--line: #e6d5b7;--coral: #f17f63;--blue: #179dcf;--blue-soft: #dff4fb;--yellow: #ffc74d;--yellow-soft: #fff0c9;--cocoa: #34221b;--sage: #78a67b;--shadow: 0 16px 38px rgba(82, 56, 35, .1);--flashcard-aspect-ratio: 680 / 410;--flashcard-min-height: 410px;--flashcard-min-height-mobile: 390px;color:var(--ink);background:var(--canvas)}html[data-theme=loading],html[data-theme=loading] body{color:#334155;background:#f8fafc;background-image:none}::selection{color:var(--cocoa);background:#ffc74da6}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline-color:#179dcf61}.brand-mark,.wordmark-symbol{width:42px;height:42px;color:var(--cocoa);background:radial-gradient(circle,var(--yellow) 0 44%,transparent 45%),repeating-conic-gradient(from 0deg,var(--yellow) 0deg 10deg,transparent 10deg 20deg);border:0;border-radius:50%;font-size:17px;font-weight:900;filter:drop-shadow(0 2px 0 rgba(52,34,27,.18))}.wordmark{gap:12px;color:var(--cocoa);font-size:23px;font-weight:850;letter-spacing:-.04em}.wordmark.light{color:var(--cocoa)}.primary-button,.secondary-button,.danger-button,.forgot-button,.remember-button,.autoplay-button{border-width:2px;border-radius:999px;font-weight:800;letter-spacing:-.015em}.secondary-button:hover{color:var(--cocoa);background:var(--yellow-soft);border-color:var(--cocoa)}.danger-button,.text-button.danger{color:#b44f3b}.eyebrow{color:#91651a;font-weight:900;letter-spacing:.16em}.app-shell:before,.app-shell:after{position:fixed;z-index:-1;color:#179dcf24;font-weight:900;pointer-events:none}.app-shell:before{content:"✦";top:150px;left:4vw;font-size:70px;transform:rotate(-15deg)}.app-shell:after{content:"Aa";right:3vw;bottom:7vh;padding:10px 16px;border:3px solid rgba(241,127,99,.13);border-radius:18px;font-size:34px;transform:rotate(8deg)}.topnav button{min-height:34px;padding:0 15px;border-radius:999px;font-weight:800}.account{gap:14px}.account-options-button{padding:6px 10px;border-radius:14px}.account span{color:var(--muted)}.page-heading{position:relative;overflow:hidden;min-height:170px;margin-bottom:36px;padding:30px 190px 30px 34px;align-items:center;background:linear-gradient(135deg,rgba(255,255,255,.44),transparent 44%),var(--yellow-soft);border:2px solid var(--cocoa);border-radius:28px;box-shadow:7px 7px 0 var(--cocoa)}.page-heading:before{content:"";position:absolute;right:52px;bottom:-24px;width:104px;height:138px;background:var(--blue);border:3px solid var(--cocoa);border-radius:50px 50px 18px 18px;transform:rotate(7deg);box-shadow:inset 0 18px #ffffff40}.page-heading.compact{min-height:150px;margin-bottom:30px}.page-heading>div>p:last-child{max-width:610px;color:#67584e;font-size:16px;line-height:1.6}.lesson-card{overflow:visible;min-height:330px;padding:23px;background:var(--paper);border:2px solid var(--cocoa);border-radius:24px;box-shadow:6px 6px 0 var(--cocoa)}.lesson-number{display:grid;place-items:center;width:58px;height:58px;color:var(--cocoa);background:radial-gradient(circle,var(--yellow) 0 45%,transparent 46%),repeating-conic-gradient(from 0deg,var(--yellow) 0deg 10deg,transparent 10deg 20deg);border:0;border-radius:50%;font-size:18px;font-weight:900}.tone-1,.tone-2,.tone-3{color:var(--cocoa);background:radial-gradient(circle,var(--yellow) 0 45%,transparent 46%),repeating-conic-gradient(from 0deg,var(--yellow) 0deg 10deg,transparent 10deg 20deg)}.lesson-card-body h2{font-size:27px}.lesson-card-body>p{color:var(--muted);line-height:1.6}.lesson-meta{color:#87651c;font-weight:800}.progress-track,.study-progress{overflow:hidden;height:11px;background:#34221b1a;border:1px solid rgba(52,34,27,.22)}.empty-icon{color:var(--cocoa);background:var(--yellow);border:2px solid var(--cocoa);box-shadow:3px 3px 0 var(--cocoa)}.notice,.form-error{border:1px solid currentColor;border-radius:14px;font-weight:700}.notice.error,.form-error{color:#9f4636;background:#fff0eb}.notice.success{color:#397345;background:#eef8e9}.auth-story{min-height:100vh;padding:46px clamp(40px,7vw,110px);color:var(--cocoa);background:linear-gradient(rgba(221,185,112,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(221,185,112,.25) 1px,transparent 1px),#fff2dc;background-position:left bottom;background-size:30px 30px}.auth-story:before{content:"✦";position:absolute;right:12%;top:16%;z-index:0;color:var(--blue);font-size:72px;font-weight:900;transform:rotate(12deg)}.auth-story:after{content:"Aa";right:-42px;bottom:4%;display:grid;place-items:center;width:300px;height:230px;color:#fff;background:var(--blue);border:4px solid var(--cocoa);border-radius:110px 20px 20px 110px;box-shadow:inset 0 20px #ffffff2e,-10px 10px 0 var(--yellow);font-size:76px;font-weight:900;transform:rotate(-4deg)}.auth-copy{max-width:650px}.auth-copy>p:last-child{max-width:540px;color:#5e4d43;font-size:18px;font-weight:650;line-height:1.55}.decorative-card{z-index:2;width:min(360px,76%);padding:19px 22px;color:var(--cocoa);background:var(--yellow);border:2px solid var(--cocoa);border-radius:20px;box-shadow:6px 6px 0 var(--cocoa);transform:rotate(-2deg)}.decorative-card span{color:#7b5311}.decorative-card strong{color:var(--cocoa)}.decorative-card p{color:#604b3e}.auth-panel{position:relative;overflow:hidden;padding:38px;background:radial-gradient(circle at 88% 10%,rgba(255,199,77,.2),transparent 24%),var(--paper)}.auth-panel:before{content:"";position:absolute;right:-60px;top:-60px;width:150px;height:150px;border:3px solid rgba(23,157,207,.35);border-radius:50%;box-shadow:0 0 0 18px #179dcf0d,0 0 0 36px #179dcf0a}.auth-form-wrap{position:relative;z-index:1;width:min(100%,470px);padding:34px;background:#fffdf8;border:2px solid var(--cocoa);border-radius:26px;box-shadow:8px 8px 0 var(--cocoa)}.auth-form-wrap h2{font-size:36px;line-height:1.05}.password-change-screen{padding:26px;background:var(--canvas)}.password-change-screen .auth-form-wrap{width:min(100%,500px)}.password-change-account{color:var(--muted);font-size:13px;font-weight:700}.segmented{padding:4px;background:var(--yellow-soft);border:1px solid var(--line);border-radius:999px}.segmented button{border-radius:999px;font-weight:800}.auth-form-wrap label,.field-group label,.field-label{color:var(--cocoa);font-weight:800}.auth-form-wrap input:focus,.field-group input:focus,.field-group textarea:focus,.field-group select:focus,.options-dialog select:focus,.invitation-title-row select:focus{border-color:var(--blue)}.studio{overflow:hidden;background:var(--paper);border:2px solid var(--cocoa);border-radius:28px;box-shadow:7px 7px 0 var(--cocoa)}.sidebar-label{color:#8d6418}.studio-sidebar button{margin-bottom:7px;border:1px solid transparent;border-radius:14px}.studio-sidebar button.selected{color:var(--cocoa);background:var(--yellow);border-color:var(--cocoa);box-shadow:3px 3px 0 var(--cocoa)}.studio-content{background:var(--paper)}.editor-header{padding-bottom:20px;border-bottom:2px dashed var(--line)}.publish-toggle,.select-all-cards,.audio-option,.speed-option{color:var(--cocoa);background:transparent;border:0;border-radius:0;font-weight:800}.card-index,.new-card-number{color:var(--cocoa);background:var(--yellow);border:1px solid var(--cocoa);font-weight:900}.icon-button{color:var(--cocoa);background:var(--paper);border:1.5px solid var(--cocoa)}.icon-button:hover:not(:disabled){background:var(--yellow-soft)}.image-dropzone{background:var(--paper);border:2px dashed var(--blue);border-radius:18px}.study-top{padding:0 4px}.study-progress{height:12px;margin-bottom:28px}.flashcard:focus-visible{outline-color:var(--blue)}.flashcard-back{color:var(--cocoa);background:linear-gradient(135deg,rgba(255,255,255,.45),transparent 42%),var(--blue-soft)}.card-side-label{color:var(--cocoa);background:var(--yellow);border:2px solid var(--cocoa);border-radius:999px;font-weight:900;box-shadow:2px 2px 0 var(--cocoa)}.flashcard strong{color:var(--cocoa);font-size:clamp(44px,7vw,78px);font-weight:900;letter-spacing:-.055em}.flashcard-back strong{font-size:clamp(30px,4.5vw,50px);line-height:1.16}.flashcard small{color:#79695d;font-weight:700}.flashcard-image{border:3px solid var(--cocoa);border-radius:20px;box-shadow:5px 5px 0 var(--yellow)}.flashcard-audio-button:hover:not(:disabled){background:#ffd56e;transform:none;box-shadow:none}.forgot-button kbd,.remember-button kbd{border:1px solid currentColor;box-shadow:none}.completion{padding:54px;background:var(--yellow-soft);border:3px solid var(--cocoa);border-radius:32px;box-shadow:9px 9px 0 var(--cocoa)}.completion-ring{color:var(--cocoa);background:radial-gradient(circle,var(--yellow) 0 47%,transparent 48%),repeating-conic-gradient(from 0deg,var(--yellow) 0deg 8deg,transparent 8deg 16deg);border:0}.platform-sections,.platform-grid{gap:26px}.section-heading,.platform-card-heading{border-bottom-color:var(--line)}.invitation-list-heading{border-top:2px dashed var(--line)}.invitation-row{border-color:var(--line)}.status-used,.status-expired{color:var(--muted);background:#f0ebe2}.platform-table th{color:var(--cocoa);background:var(--yellow-soft);font-weight:900}.platform-table td{border-color:var(--line)}.lesson-assignment{background:#fffefa;border:1px solid var(--line);border-radius:16px}.lesson-assignment label{border-radius:12px}.lesson-assignment label:hover{background:var(--yellow-soft)}.dialog-backdrop{background:#34221b75;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.preference-toggle{background:#fff7e7;border:1px solid var(--line);border-radius:15px}@media(max-width:980px){.auth-layout{grid-template-columns:1fr}.auth-story{display:flex;min-height:520px;padding:38px 7%}.auth-story:after{width:240px;height:180px;font-size:58px}.auth-copy h1{max-width:570px;font-size:clamp(54px,9vw,76px)}.auth-panel{min-height:680px}}@media(max-width:720px){.app-shell:before,.app-shell:after{display:none}.topbar{padding:14px 18px;border-bottom-width:1.5px}.topnav{width:100%;overflow-x:auto;justify-content:flex-start}.page{width:min(100% - 28px,1180px);padding-top:34px}.page-heading,.page-heading.compact{min-height:auto;padding:26px;border-radius:22px;box-shadow:5px 5px 0 var(--cocoa)}.page-heading:before,.page-heading:after{display:none}.page-heading h1{font-size:42px}.lesson-card,.studio,.platform-section,.platform-card{box-shadow:4px 4px 0 var(--cocoa)}.auth-story{display:flex;min-height:470px;padding:30px 26px}.auth-story:before{right:8%;top:20%;font-size:50px}.auth-story:after{display:none}.auth-copy h1{font-size:clamp(50px,15vw,68px)}.decorative-card{width:min(330px,92%)}.auth-panel{min-height:auto;padding:30px 18px 50px}.auth-form-wrap{padding:25px 22px;box-shadow:5px 5px 0 var(--cocoa)}.flashcard{min-height:var(--flashcard-min-height-mobile);border-radius:26px;box-shadow:6px 6px 0 var(--cocoa)}.flashcard-face{border-radius:22px}.flashcard strong{font-size:clamp(38px,13vw,58px)}.flashcard-back strong{font-size:clamp(27px,8vw,40px)}.completion{padding:34px 24px}.platform-table th:last-child,.platform-table td:last-child{width:150px}}.startup-shell{display:grid;place-items:center;min-height:100vh;background:#f8fafc;color:#334155}.startup-mark{display:grid;place-items:center;width:44px;height:44px;overflow:hidden;border:0;border-radius:50%;background:transparent}.startup-mark img,.wordmark-symbol img{display:block;width:100%;height:100%;object-fit:cover}.wordmark-symbol{overflow:hidden;padding:0}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,textarea,select{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(29,109,91,.2);outline-offset:2px}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Manrope Variable,Manrope,system-ui,sans-serif;letter-spacing:-.025em}.center-screen{min-height:100vh;display:grid;place-items:center}.brand-mark,.wordmark-symbol{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--green);color:#fff;font:700 20px/1 Manrope Variable,Manrope,sans-serif}.wordmark{display:inline-flex;align-items:center;gap:10px;padding:0;border:0;background:transparent;font:700 22px/1 Manrope Variable,Manrope,sans-serif;cursor:pointer}.wordmark.light{color:#fff}.wordmark.light .wordmark-symbol{color:var(--green-dark);background:#f6ead1}.primary-button,.secondary-button,.danger-button{min-height:43px;border-radius:12px;padding:0 18px;border:1px solid transparent;font-weight:700;cursor:pointer;transition:transform .14s ease,background .14s ease,opacity .14s ease}.primary-button{background:var(--green);color:#fff}.primary-button:hover{background:var(--green-dark);transform:translateY(-1px)}.secondary-button{border-color:var(--line);background:var(--paper)}.secondary-button:hover{border-color:#a9b5ae}.danger-button{background:transparent;color:#a44432}.primary-button:disabled,.secondary-button:disabled{opacity:.45;cursor:not-allowed;transform:none}.primary-button.full{width:100%;margin-top:8px}.primary-button.small{min-height:36px;padding:0 13px}.text-button{border:0;padding:4px;color:var(--green);background:transparent;font-weight:700;cursor:pointer}.text-button.danger{color:#a44432}.eyebrow{margin-bottom:9px;color:var(--green);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.auth-layout{min-height:100vh;display:grid;grid-template-columns:minmax(420px,1.05fr) minmax(420px,.95fr)}.auth-story{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;min-height:100vh;padding:48px 9%;color:#fff;background:radial-gradient(circle at 80% 15%,rgba(240,207,148,.2),transparent 30%),linear-gradient(145deg,#1d6656,#143e38)}.auth-story:after{content:"";position:absolute;width:520px;height:520px;right:-260px;bottom:-250px;border:1px solid rgba(255,255,255,.14);border-radius:50%;box-shadow:0 0 0 70px #ffffff06,0 0 0 140px #ffffff05}.auth-copy{position:relative;z-index:1;max-width:580px}.auth-copy .eyebrow{color:#efd59e}.auth-copy h1{max-width:530px;margin-bottom:22px;font-size:clamp(42px,5.4vw,76px);line-height:1.03}.auth-copy>p:last-child{max-width:480px;color:#ffffffc2;font-size:18px;line-height:1.65}.decorative-card{position:relative;z-index:1;width:min(390px,75%);padding:25px 28px;color:var(--ink);background:#f8ecd3;border-radius:8px 8px 28px;transform:rotate(-2deg);box-shadow:0 18px 40px #0000002e}.decorative-card span{color:#8e6d49;font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.decorative-card strong{display:block;margin:14px 0 7px;font:700 29px/1.1 Manrope Variable,Manrope,sans-serif}.decorative-card p{margin:0;color:#6e6251}.auth-panel{display:grid;place-items:center;padding:48px 9%;background:var(--paper)}.auth-form-wrap{width:min(430px,100%)}.auth-form-wrap h2{margin-bottom:25px;font-size:38px}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-bottom:25px;padding:4px;border-radius:13px;background:#efeee8}.segmented button{height:38px;border:0;border-radius:10px;color:var(--muted);background:transparent;font-weight:700;cursor:pointer}.segmented button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill);box-shadow:0 2px 8px #21332d12}form label,.field-group{display:grid;gap:7px}form label{margin-bottom:17px;color:#40544d;font-size:13px;font-weight:700}input,textarea{width:100%;border:1px solid #d8dad4;border-radius:11px;padding:12px 13px;color:var(--ink);background:#fff;resize:vertical}input::placeholder,textarea::placeholder{color:#a2aaa5}.form-error,.notice.error{color:#9a3d2c;background:#fff0eb}.notice.success{color:var(--green-dark);background:#edf7f2}.form-error{padding:10px 12px;border-radius:10px;font-size:13px}.bootstrap-link{display:block;margin:22px auto 0;border:0;color:#85918b;background:transparent;font-size:12px;cursor:pointer}.app-shell{min-height:100vh}.topbar{position:sticky;z-index:10;top:0;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:74px;padding:0 max(28px,calc((100vw - 1240px)/2));border-bottom:1px solid rgba(220,220,212,.9);background:#fffdf8eb;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.topnav{display:flex;align-self:stretch;gap:30px}.topnav button{position:relative;border:0;background:transparent;color:var(--muted);font-weight:700;cursor:pointer}.topnav button.active:after{content:"";position:absolute;right:0;bottom:0;left:0;height:3px;border-radius:3px 3px 0 0;background:var(--green)}.account{display:flex;justify-self:end;align-items:center;gap:18px;text-align:right}.account-options-button{padding:5px 7px;border:0;border-radius:8px;background:transparent;text-align:right;cursor:pointer}.account-options-button:hover{background:var(--mint)}.account strong,.account span{display:block}.account strong{font-size:13px}.account span{color:var(--muted);font-size:11px;text-transform:capitalize}.page{width:min(1180px,calc(100% - 48px));margin:0 auto;padding:62px 0 80px}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:42px}.page-heading.compact{margin-bottom:28px}.page-heading h1{margin-bottom:10px;font-size:clamp(42px,5vw,62px)}.page-heading>div>p:last-child{margin:0;color:var(--muted);font-size:17px}.lesson-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.lesson-card{overflow:hidden;display:grid;grid-template-columns:82px 1fr;min-height:300px;border:1px solid var(--line);border-radius:20px;background:var(--paper);box-shadow:0 4px 18px #20342e09;transition:transform .16s ease,box-shadow .16s ease}.lesson-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.lesson-number{display:grid;place-items:start center;padding-top:28px;font:700 30px/1 Manrope Variable,Manrope,sans-serif}.tone-0{color:#286454;background:#dfece4}.tone-1{color:#875b2b;background:#f2e6ca}.tone-2{color:#8b4938;background:#f1dcd4}.tone-3{color:#526384;background:#dde4ed}.lesson-card-body{display:flex;flex-direction:column;padding:26px 25px}.lesson-card-body h2{margin:12px 0 9px;font-size:24px}.lesson-card-body>p{min-height:60px;color:var(--muted);font-size:14px;line-height:1.55}.lesson-card-body .primary-button{align-self:flex-start;margin-top:auto}.lesson-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.status-draft{color:#a65a42}.progress-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px;margin:15px 0 20px;color:var(--muted);font-size:11px}.progress-track,.study-progress{overflow:hidden;height:5px;border-radius:10px;background:#e6e7e1}.progress-track span,.study-progress span{display:block;height:100%;border-radius:inherit;background:var(--green)}.empty-state{display:grid;justify-items:center;padding:90px 20px;border:1px dashed #ccd0c9;border-radius:20px;color:var(--muted);text-align:center}.empty-state.small{padding:50px 20px}.empty-state h2{margin:16px 0 8px;color:var(--ink);font-size:28px}.empty-icon{display:grid;place-items:center;width:64px;height:64px;border-radius:18px;color:var(--green);background:var(--mint);font:700 22px/1 Manrope Variable,Manrope,sans-serif}.notice{margin-bottom:22px;padding:12px 16px;border-radius:11px}.studio{display:grid;grid-template-columns:245px 1fr;min-height:600px;border:1px solid var(--line);border-radius:18px;background:var(--paper);box-shadow:var(--shadow)}.studio-sidebar{padding:20px 12px;border-right:1px solid var(--line);background:#f1f1eb;border-radius:18px 0 0 18px}.sidebar-label{padding:5px 10px 13px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.studio-sidebar button{display:flex;align-items:center;justify-content:space-between;width:100%;margin-bottom:4px;padding:11px 10px;border:0;border-radius:10px;background:transparent;text-align:left;cursor:pointer}.studio-sidebar button.selected{background:#fff;box-shadow:0 2px 8px #1e362e0f}.studio-sidebar strong,.studio-sidebar small{display:block}.studio-sidebar strong{overflow:hidden;max-width:170px;text-overflow:ellipsis;white-space:nowrap}.studio-sidebar small{margin-top:3px;color:var(--muted)}.flashcard-set-status-icon{display:inline-grid;flex:0 0 auto;place-items:center;width:20px;height:20px;color:var(--muted)}.flashcard-set-status-icon svg{display:block;width:18px;height:18px}.studio-content{min-width:0;padding:30px}.editor-header{display:flex;align-items:center;gap:30px}.flashcard-set-editor-section{min-width:0}.flashcard-set-details-section{padding-bottom:26px;border-bottom:1px solid var(--line)}.flashcard-set-details-section .editor-header{padding-bottom:0;border-bottom:0}.flashcard-set-details-section .publish-toggle{align-self:center;margin-bottom:0;transform:translateY(9px)}.flashcard-set-editor-menu-wrap{position:relative;flex:0 0 auto;align-self:flex-start}.flashcard-set-editor-menu-button{display:grid;place-items:center;width:34px;height:34px;padding:0;border:1px solid var(--line);border-radius:50%;color:var(--muted);background:var(--paper);font-size:24px;line-height:1;cursor:pointer}.flashcard-set-editor-menu-button:hover,.flashcard-set-editor-menu-button[aria-expanded=true]{color:var(--ink);background:var(--mint)}.flashcard-set-editor-menu-button span{display:block;line-height:1;transform:none}.flashcard-set-editor-menu{position:absolute;z-index:30;top:calc(100% + 6px);right:0;min-width:124px;padding:5px;border:1px solid var(--line);border-radius:11px;background:var(--paper);box-shadow:var(--shadow)}.flashcard-set-editor-menu button{width:100%;padding:8px 10px;border:0;border-radius:7px;color:var(--ink);background:transparent;text-align:left;cursor:pointer}.flashcard-set-editor-menu button:hover:not(:disabled){background:var(--mint)}.flashcard-set-editor-menu button.danger{color:#a24a3a}.flashcard-set-editor-menu button:disabled{opacity:.55;cursor:not-allowed}.flashcard-set-preview-section{padding:28px 0 30px;border-bottom:1px solid var(--line)}.flashcard-set-preview-heading{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.flashcard-set-preview-heading h2{margin:0;font-size:20px}.flashcard-set-preview-count{color:var(--muted);font-size:12px;font-weight:700}.preview-flashcard{max-width:680px;margin:0 auto}.flashcard-set-preview-section .flashcard-face{padding:48px}.flashcard-set-preview-section .flashcard strong{font-size:clamp(34px,5vw,56px)}.flashcard-set-preview-section .flashcard-back strong{font-size:clamp(26px,4vw,42px)}.flashcard-set-preview-navigation{position:relative;width:min(100%,680px);display:flex;align-items:center;justify-content:center;min-height:30px;margin:15px auto 0;color:var(--muted);font-size:12px;font-weight:700}.study-card-navigation{width:100%}.flashcard-preview-pager{display:flex;align-items:center;gap:14px}.flashcard-preview-controls{display:flex;align-items:center;gap:8px;position:absolute;right:0;top:50%;transform:translateY(-50%)}.flashcard-preview-options{position:relative;display:flex;align-items:center}.flashcard-preview-toggle{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:30px;padding:0 11px;border:1px solid var(--line);border-radius:999px;color:var(--green-dark);background:var(--paper);font-size:11px;font-weight:800;cursor:pointer}.flashcard-preview-toggle.icon-only{width:34px;height:34px;min-height:34px;padding:0;border-radius:50%}.flashcard-preview-toggle.icon-only svg{width:17px;height:17px}.flashcard-preview-toggle:hover{background:var(--yellow-soft)}.flashcard-preview-toggle.active{color:#fff;border-color:var(--blue);background:var(--blue)}.flashcard-preview-toggle.active:hover{background:var(--blue)}.flashcard-preview-toggle>span{margin:0;color:inherit;font-size:12px}.flashcard-preview-toggle.shuffle-toggle>span{font-size:22px;font-weight:800;line-height:1}.flashcard-preview-options-panel{position:absolute;z-index:30;right:0;bottom:calc(100% + 10px);display:grid;width:280px;gap:12px;padding:16px;border:1px solid var(--line);border-radius:14px;color:var(--ink);background:var(--paper);box-shadow:var(--shadow);text-align:left}.flashcard-preview-options-panel>strong{color:var(--green-dark);font-size:13px}.flashcard-preview-option-field{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:7px 10px;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.flashcard-preview-option-field select,.flashcard-preview-option-field input{grid-column:2;grid-row:1;width:112px;min-height:34px;padding:0 9px;border:1px solid var(--line);border-radius:8px;color:var(--ink);background:#fff;font:inherit;font-size:11px;font-weight:700;letter-spacing:normal;text-transform:none}.flashcard-preview-option-field small{grid-column:1 / -1;grid-row:2;color:var(--muted);font-size:10px;font-weight:600;letter-spacing:normal;line-height:1.35;text-transform:none}.flashcard-preview-option-checkbox{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;color:var(--ink);font-size:11px;font-weight:800;cursor:pointer}.flashcard-preview-option-checkbox input{grid-column:2;grid-row:1;width:17px;height:17px;margin:0;accent-color:var(--green);cursor:pointer}.flashcard-preview-option-actions{display:flex;justify-content:flex-end;gap:8px}.flashcard-set-preview-navigation .secondary-button.small{min-width:34px;min-height:30px;padding:0 9px}.flashcard-set-preview-empty{margin:0;padding:36px 20px;border:1px dashed var(--line);border-radius:14px}.flashcard-set-cards-section{padding-top:28px}.flashcard-set-cards-section>.cards-heading{padding-top:0;border-top:0}.field-group label{color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.field-group.grow{flex:1}.field-group.grow input{border:0;border-bottom:1px solid var(--line);border-radius:0;padding:8px 0;background:transparent;font:700 30px/1.2 Manrope Variable,Manrope,sans-serif}.publish-toggle{display:flex;align-items:center;gap:8px;margin-bottom:10px;font-weight:700}.publish-toggle input{width:18px;height:18px;accent-color:var(--green)}.editor-header+.field-group{margin-top:20px}.cards-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:13px;padding-top:25px;border-top:1px solid var(--line)}.cards-heading h2{margin-bottom:0}.cards-heading-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:12px}.card-filter-switch{display:inline-flex;align-items:center;gap:2px;padding:2px;border:1px solid var(--line);border-radius:999px;background:var(--paper)}.card-filter-switch button{min-height:26px;padding:0 9px;border:0;border-radius:999px;color:var(--muted);background:transparent;font-size:10px;font-weight:800;cursor:pointer}.card-filter-switch button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill)}.card-filter-audio-actions{display:flex;flex-direction:column;align-items:center;gap:7px}.card-filter-audio-actions .secondary-button{white-space:nowrap}.cards-audio-toolbar{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:12px;margin-bottom:13px}.cards-audio-toolbar>.secondary-button.small{min-height:28px;padding:0 10px;font-size:11px;font-weight:800}.cards-audio-toolbar>.select-all-cards{height:28px}.select-all-cards,.audio-option,.speed-option{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:11px;font-weight:700}.select-all-cards input,.card-selection input,.preference-toggle input{width:17px;height:17px;accent-color:var(--green)}.audio-option select{max-width:190px;min-height:36px;padding:0 30px 0 10px;border:1px solid var(--line);border-radius:9px;color:var(--ink);background:var(--paper)}.speed-option input{width:105px;height:20px;padding:0;border:0;background:transparent;accent-color:var(--green)}.speed-option output{min-width:34px;color:var(--ink);font-variant-numeric:tabular-nums}.card-editor-list{display:grid;gap:8px}.card-editor-row{position:relative;display:grid;grid-template-columns:24px 38px .9fr 1.4fr 168px 112px 32px;align-items:center;gap:16px;min-height:200px;padding:8px 13px;border:1px solid #e3e3dc;border-radius:12px;background:#fff}.card-star-button{position:absolute;z-index:4;top:10px;right:13px;display:grid;place-items:center;width:32px;height:32px;padding:0;border:1px solid transparent;border-radius:50%;color:var(--cocoa);background:transparent;cursor:pointer}.card-star-button:hover:not(:disabled),.card-star-button.starred{background:var(--yellow-soft)}.card-star-button:hover:not(:disabled){border-color:var(--line)}.card-star-button:disabled{cursor:wait;opacity:.6}.card-star-button svg{width:19px;height:19px}.card-star-button path{fill:none;stroke:currentColor;stroke-linejoin:round;stroke-width:1.8}.card-star-button.starred path{fill:currentColor}.card-editor-row.image-dragging{border-color:var(--green)}.card-drop-overlay{position:absolute;z-index:3;inset:0;display:grid;place-items:center;border:2px dashed var(--green);border-radius:11px;color:var(--green-dark);background:#e1f0e8f0;font-weight:800;pointer-events:none}.card-upload-status{grid-column:1 / -1;margin:-3px 0 0 54px;color:#a44432;font-size:11px}.card-upload-status.success{color:var(--green)}.card-selection{display:grid;place-items:center}.card-editor-row small,.card-editor-row strong,.card-editor-row .card-field-label{display:block}.card-editor-row small,.card-editor-row .card-field-label{margin-bottom:3px;color:var(--muted);font-size:10px;font-weight:400;line-height:normal;text-transform:uppercase}.card-editor-row span{color:#52655f;font-size:13px}.card-definition-content>span{display:block;line-height:22px}.card-definition-block{align-self:stretch;display:flex;flex-direction:column;justify-content:center;min-width:0;overflow-wrap:anywhere}.card-definition-content{min-width:0}.card-inline-field{align-self:center;min-width:0;height:38.5px}.card-inline-input{display:block;width:100%;height:22px;min-height:22px;padding:0;border:0;border-radius:0;color:var(--ink);background:transparent;box-shadow:none;line-height:22px;resize:none}.card-inline-input:hover,.card-inline-input:focus{border-color:transparent;background:color-mix(in srgb,var(--mint) 45%,transparent)}.card-front-input{font-size:16px;font-weight:700}.card-back-input{height:66px;max-height:88px;overflow-y:auto;color:#52655f;font-size:13px;font-weight:400;resize:vertical}.card-thumbnail-cell{position:relative;display:grid;place-items:center;width:160px;max-width:100%;height:160px}.card-image-trigger{display:block;width:160px;height:160px;padding:0;border:0;border-radius:9px;background:transparent;cursor:pointer}.card-image-trigger:hover .card-list-thumbnail,.card-image-trigger:focus-visible .card-list-thumbnail{border-color:var(--green);box-shadow:0 0 0 3px #2377601f}.card-audio-controls{position:relative;display:flex;justify-content:center;gap:10px;min-height:32px}.audio-upload-control{position:absolute;z-index:6;top:50%;left:calc(50% + 26px);width:32px;height:32px;transform:translateY(-50%)}.audio-upload-control.open{z-index:30}.card-audio-upload-button{position:relative}.card-audio-upload-button.has-selection{color:var(--green);border-color:#a9cabc;background:#edf7f2}.audio-upload-indicator{position:absolute;top:3px;right:3px;width:6px;height:6px;border:1px solid var(--paper);border-radius:50%;background:var(--green)}.audio-upload-menu{position:absolute;z-index:1;top:calc(100% + 6px);right:0;width:196px;padding:5px;border:1px solid var(--line);border-radius:11px;background:var(--paper);box-shadow:var(--shadow)}.audio-upload-menu button{display:block;width:100%;padding:8px 10px;border:0;border-radius:7px;color:var(--ink);background:transparent;font-size:12px;font-weight:750;text-align:left;cursor:pointer}.audio-upload-menu button:hover:not(:disabled){background:var(--mint)}.audio-upload-menu button:disabled{cursor:not-allowed;opacity:.5}.audio-upload-menu span,.audio-upload-menu small{display:block}.audio-upload-menu small{margin-top:2px;overflow:hidden;color:var(--muted);font-size:9px;font-weight:500;text-overflow:ellipsis;white-space:nowrap}.audio-upload-input{display:none}.card-audio-control{display:grid;justify-items:center;gap:4px}.card-audio-control>small{margin:0;font-size:8px}.icon-button{display:inline-grid;place-items:center;width:32px;height:32px;padding:0;border:1px solid var(--line);border-radius:9px;color:var(--green-dark);background:#fff;cursor:pointer}.icon-button:hover:not(:disabled){border-color:var(--green);background:var(--mint)}.icon-button:disabled{cursor:not-allowed;opacity:.55}.icon-button svg{width:17px;height:17px}.audio-status.ready{color:var(--green);border-color:#a9cabc;background:#edf7f2}.audio-status.missing{color:#9aa39f;background:#f3f4f2}.card-list-thumbnail{display:block;width:160px;height:160px;max-width:100%;max-height:100%;border:1px solid var(--line);border-radius:9px;object-fit:cover}.card-image-placeholder{display:grid;place-items:center;align-content:center;gap:7px;overflow:hidden;border:1px dashed #b7c8bf;border-radius:9px;color:#789087;background:linear-gradient(#f8fbf9e6,#f8fbf9e6),repeating-linear-gradient(135deg,#e9f0eb 0 8px,#f4f7f4 8px 16px);font-size:11px;font-weight:800;text-align:center}.card-image-placeholder svg{width:42px;height:42px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.card-image-placeholder>span{color:inherit;font-size:inherit}.flashcard-image.card-image-placeholder{min-height:150px;padding:18px}.options-dialog.card-image-dialog{width:960px;min-width:960px;height:760px;max-width:calc(100vw - 40px);max-height:calc(100vh - 40px);overflow-y:auto}@media(max-width:1000px){.options-dialog.card-image-dialog{width:calc(100vw - 40px);min-width:0;height:calc(100vh - 40px);max-width:none;max-height:none}}.card-image-dialog-current{position:relative;display:grid;gap:8px;margin-bottom:18px}.card-image-generation-context{display:-webkit-box;max-width:100%;margin:-12px 0 16px;overflow:hidden;color:var(--muted);font-size:12px;font-weight:650;line-height:1.4;-webkit-box-orient:vertical;-webkit-line-clamp:2}.password-reset-screen{flex:1;min-height:calc(100vh - 42px);padding:clamp(24px,5vw,72px);background:var(--canvas)}.password-reset-screen .auth-form-wrap{width:min(100%,500px)}.auth-form-help{color:var(--muted);line-height:1.55}.auth-forgot-link{display:block;margin:-5px 0 18px auto;border:0;padding:0;color:var(--green);background:transparent;font-size:13px;font-weight:700;cursor:pointer}.auth-forgot-link:hover{color:var(--green-dark);text-decoration:underline}.form-notice{padding:10px 12px;border-radius:10px;font-size:13px;line-height:1.45}.password-reset-result>p:not(.eyebrow){color:var(--muted);line-height:1.55}.password-reset-settings-heading{align-items:end;margin-bottom:0}.password-reset-settings-heading>div>p:last-child{margin:7px 0 0;color:var(--muted);font-size:14px;line-height:1.5}.password-reset-settings-form{display:flex;align-items:center;justify-content:flex-end;gap:10px}.password-reset-validity-control{display:grid;grid-template-columns:auto minmax(150px,260px) auto;align-items:center;gap:10px}.password-reset-validity-label{color:var(--muted);font-size:13px;font-weight:700}.password-reset-validity-value{min-width:72px;color:var(--ink);font-size:13px;white-space:nowrap}@media(max-width:720px){.password-reset-screen{min-height:calc(100vh - 42px);padding:24px 18px}.password-reset-screen .auth-form-wrap{padding:25px 22px}.password-reset-settings-heading,.password-reset-settings-form{align-items:stretch;flex-direction:column}.password-reset-settings-form{justify-content:initial}.password-reset-validity-control{grid-template-columns:1fr}.password-reset-validity-value{min-width:0}}.platform-table th:last-child,.platform-table td:last-child{width:270px;min-width:270px}.platform-table .account-actions{display:grid;justify-items:end;gap:8px;min-width:240px}.platform-table .account-save-actions{flex-wrap:wrap;max-width:100%}.platform-table .account-save-actions .row-message{max-width:380px;text-align:right;white-space:normal}.reset-password-dialog-backdrop{z-index:40}.reset-password-dialog{width:min(520px,100%)}.reset-password-dialog .dialog-heading{margin-bottom:12px}.reset-password-dialog-description{margin:0;color:var(--muted);line-height:1.55}.reset-password-dialog .form-error{margin:16px 0 0}.reset-password-dialog-result{display:grid;gap:10px;margin-top:20px;padding:16px;border:1px solid var(--line);border-radius:var(--radius-card);color:var(--muted);background:var(--surface-alt)}.reset-password-dialog-result>span{font-size:11px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.reset-password-dialog-copy{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0}.reset-password-dialog-copy code{min-width:0;padding:8px 10px;overflow-wrap:anywhere;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-control);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;font-weight:800;letter-spacing:.04em}.reset-password-copy-feedback-anchor{position:relative;flex:none}.reset-password-dialog .dialog-actions{margin-top:20px}@media(max-width:720px){.platform-table .account-actions{justify-items:start}.platform-table .account-save-actions{justify-content:flex-start;text-align:left}.reset-password-dialog-copy{align-items:flex-start;flex-direction:column}.reset-password-dialog-copy code{width:100%}.reset-password-copy-feedback-anchor{align-self:flex-end}.platform-table .account-save-actions .row-message{text-align:left}}.resource-heading-copy{display:grid;min-width:0;gap:2px}.resource-owner{display:block;min-width:0;overflow:hidden;color:var(--muted);font-size:11px;font-weight:650;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.resource-metadata{display:flex;align-items:baseline;min-width:0;overflow:hidden;color:var(--muted);font-size:11px;font-weight:500;font-variant-numeric:tabular-nums;line-height:1.3;white-space:nowrap}.resource-metadata-item{display:inline-flex;min-width:0;overflow:hidden;text-overflow:ellipsis}.resource-metadata-label{flex:0 0 auto;color:color-mix(in srgb,var(--muted) 78%,var(--paper) 22%);font-weight:500}.resource-metadata-value{min-width:0;overflow:hidden;color:color-mix(in srgb,var(--ink) 58%,var(--paper) 42%);font-weight:600;text-overflow:ellipsis}.resource-metadata-value time{color:inherit;font:inherit;white-space:nowrap}.resource-metadata-separator{flex:0 0 auto;margin:0 7px;color:color-mix(in srgb,var(--muted) 52%,var(--paper) 48%)}.resource-meta{display:flex;align-items:baseline;flex-wrap:wrap;gap:0 10px;min-width:0}.resource-dates{display:flex;align-items:baseline;flex-wrap:wrap;gap:2px 10px;min-width:0;margin-top:4px;color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums;line-height:1.3}.resource-dates small{min-width:0}.resource-dates time{white-space:nowrap}.flashcard-set-item-copy .resource-count{display:inline-flex;align-items:center;gap:5px;min-width:0;margin-top:0}.flashcard-set-item-copy .resource-count .resource-icon{width:14px;height:14px}.student-class-option-copy{display:grid;min-width:0;gap:2px;white-space:normal}.student-class-list-pane button .student-class-option-copy>span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-class-option-copy .resource-owner{font-size:10px;font-weight:600}.student-material-heading .resource-heading-copy .resource-owner{margin-top:2px}.card-image-dialog-current>img,.card-image-dialog-current>.card-image-placeholder{width:100%;min-height:220px;max-height:360px;border:1px solid var(--line);border-radius:14px;object-fit:contain;background:#fff}.card-image-dialog-current>.card-image-placeholder{padding:28px}.card-image-candidate-section{display:grid;gap:8px}.card-image-candidate-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.card-image-aspect-section{display:grid;gap:10px;min-width:0;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface-alt, var(--paper))}.card-image-aspect-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.card-image-aspect-heading>div{min-width:0}.card-image-aspect-actions{display:flex;flex:0 0 auto;align-items:center;gap:8px}.card-image-aspect-breadth{display:inline-flex;flex:0 0 auto;gap:2px;padding:2px;border:1px solid var(--line);border-radius:9px;background:var(--paper)}.card-image-aspect-breadth button{min-height:28px;padding:4px 9px;border:0;border-radius:6px;color:var(--muted);background:transparent;font:inherit;font-size:11px;font-weight:700;cursor:pointer}.card-image-aspect-breadth button[aria-pressed=true]{color:var(--tab-selected-ink);background:var(--tab-selected-fill)}.card-image-aspect-breadth button:focus-visible{outline:2px solid var(--blue, var(--green));outline-offset:2px}.card-image-aspect-breadth button:disabled{cursor:default;opacity:.7}.card-image-aspect-refresh{flex:0 0 auto;min-height:32px;padding:5px 9px;font-size:11px}.card-image-aspect-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 12px}.card-image-aspect-control{display:grid;gap:4px;min-width:0;color:var(--muted);font-size:10px;font-weight:750}.card-image-aspect-control>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-image-aspect-control select{width:100%;min-width:0;min-height:36px;padding:7px 9px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);font:inherit;font-size:12px;font-weight:600}.card-image-aspect-control select:focus-visible{outline:2px solid var(--green);outline-offset:2px}.card-image-aspect-control select:disabled{cursor:default;opacity:.7}.card-image-generation-help{margin:-3px 0 0;color:var(--muted);font-size:11px;line-height:1.4}.card-image-candidate-content{min-width:0;min-height:145px}@media(max-width:520px){.card-image-aspect-grid{grid-template-columns:minmax(0,1fr)}.card-image-aspect-heading{align-items:flex-start;flex-wrap:wrap}.card-image-aspect-actions{width:100%;justify-content:space-between}}.card-image-candidate-scroller{min-width:0}.card-image-candidate-scroller.has-overflow{position:relative}.card-image-scroll-button{position:absolute;z-index:2;top:50%;display:grid;place-items:center;width:28px;height:36px;padding:0;border:1px solid var(--line);border-radius:9px;color:var(--green-dark);background:#ffffffe0;font-size:25px;line-height:1;cursor:pointer;transform:translateY(-50%);box-shadow:0 2px 8px #142d261f}.card-image-scroll-button.left{left:5px}.card-image-scroll-button.right{right:5px}.card-image-scroll-button:hover:not(:disabled){border-color:var(--green);background:var(--mint)}.card-image-scroll-button:disabled{cursor:default;opacity:.35}.card-image-candidate-list{display:flex;align-items:stretch;gap:12px;width:100%;min-width:0;max-width:100%;padding:4px 3px 9px;overflow-x:auto}.card-image-candidate{position:relative;flex:0 0 112px;width:112px;min-height:132px;padding:5px;border:1px solid var(--line);border-radius:10px;color:var(--muted);background:#fff;transition:border-color .14s ease,background .14s ease,box-shadow .14s ease}.card-image-candidate:hover,.card-image-candidate.selected{border-color:var(--green);color:var(--green-dark);background:var(--mint);box-shadow:0 0 0 2px #1d6d5b1a}.card-image-candidate-select{display:grid;width:100%;gap:6px;padding:0;border:0;color:inherit;background:transparent;text-align:left;cursor:pointer}.card-image-candidate-select:disabled{cursor:wait;opacity:.7}.card-image-candidate-select img{width:100%;aspect-ratio:1;border-radius:var(--radius-control, 11px);object-fit:cover}.card-image-candidate-select span{overflow:hidden;font-size:10px;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.card-image-candidate-delete{position:absolute;top:4px;right:4px;display:grid;place-items:center;width:24px;height:24px;padding:0;border:1px solid var(--line);border-radius:50%;color:#a44432;background:var(--paper);font-size:16px;line-height:1;cursor:pointer}.card-image-candidate-delete:hover{border-color:#a44432;color:#fff;background:#a44432}.card-image-candidate-delete:disabled{cursor:wait;opacity:.55}.card-image-add-tile{display:grid;flex:0 0 112px;place-items:center;align-content:center;gap:5px;width:112px;min-height:132px;padding:10px;border:1px dashed #aebdb5;border-radius:10px;color:var(--green);background:#f7fbf8;cursor:pointer;transition:border-color .14s ease,background .14s ease,transform .14s ease}.card-image-add-tile:hover:not(:disabled),.card-image-add-tile.dragging{border-color:var(--green);background:var(--mint);transform:translateY(-1px)}.card-image-add-tile:disabled{cursor:wait;opacity:.65}.card-image-add-tile strong{font-size:32px;font-weight:500;line-height:1}.card-image-add-tile span{color:var(--muted);font-size:10px;font-weight:800;line-height:1.25;text-align:center}.card-menu-wrap{position:relative;display:flex;justify-content:flex-end;align-items:center;width:32px;height:32px}.card-editor-row.menu-open{z-index:20}.card-menu-button{display:grid;place-items:center;width:32px;height:32px;padding:0;border:0;border-radius:50%;color:var(--muted);background:transparent;font-size:25px;line-height:1;cursor:pointer}.card-menu-button:hover,.card-menu-button[aria-expanded=true]{color:var(--ink);background:var(--mint)}.card-menu-button span{color:inherit;font-size:inherit}.card-menu{position:absolute;z-index:5;top:calc(100% + 6px);right:0;min-width:112px;padding:5px;border:1px solid var(--line);border-radius:11px;background:var(--paper);box-shadow:var(--shadow)}.card-menu button{width:100%;padding:8px 10px;border:0;border-radius:7px;color:var(--ink);background:transparent;font-size:12px;font-weight:750;text-align:left;cursor:pointer}.card-menu button:hover{background:var(--mint)}.card-menu button.card-menu-delete{color:#a64e3d}.card-menu button.card-menu-delete:hover{background:#fff0eb}.card-index,.new-card-number{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;color:var(--green);background:var(--mint);font-weight:800}.card-editor-row.editing{align-items:center}.card-editor-row.editing .card-inline-input{position:relative;z-index:1;box-sizing:border-box;width:100%;margin:0;padding-inline:0;border:0;border-radius:0;background:transparent}.card-editor-row.editing .card-inline-input:hover,.card-editor-row.editing .card-inline-input:focus{background:transparent}.card-editor-row.editing .card-back-input{height:22px;max-height:none;overflow-y:hidden;resize:none}.card-edit-thumbnail-cell{min-width:0}.card-edit-thumbnail-cell .image-dropzone{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr) auto auto;width:160px;height:160px;min-height:160px;gap:5px;padding:7px;overflow:hidden;text-align:center}.card-edit-thumbnail-cell .image-dropzone img{width:100%;height:78px}.card-edit-thumbnail-cell .image-dropzone label{min-width:0}.card-edit-thumbnail-cell .image-dropzone label strong{font-size:10px;line-height:1.2}.card-edit-thumbnail-cell .image-dropzone label span{display:-webkit-box;overflow:hidden;font-size:8px;line-height:1.2;-webkit-box-orient:vertical;-webkit-line-clamp:2}.card-edit-thumbnail-cell .image-dropzone .text-button{min-width:0;padding:0;font-size:9px}.card-edit-image-status{max-width:160px;font-size:9px;text-align:center}.row-actions{grid-column:6 / -1;display:flex;align-items:center;justify-content:flex-end;min-width:0;gap:5px}.new-card-separator{display:flex;align-items:center;gap:12px;width:100%;margin:24px 0 12px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.new-card-separator:after{flex:1;height:1px;background:var(--line);content:""}.new-card-selection-spacer{width:24px;height:1px}.new-card-image-input{display:none}.new-card-picture-button:disabled{cursor:not-allowed;opacity:.45}.new-card-picture-button:disabled:hover .card-list-thumbnail,.new-card-picture-button:disabled:focus-visible .card-list-thumbnail{border-color:var(--line);box-shadow:none}.new-card-form .card-back-cell{position:relative}.card-edit-input-wrap{position:relative;isolation:isolate;min-width:0}.card-edit-input-wrap:before{position:absolute;z-index:0;inset:-2.5px -6px;border:1px solid var(--muted);border-radius:var(--radius-control, 11px);background:var(--paper);content:""}.card-edit-input-wrap:hover:before,.card-edit-input-wrap:focus-within:before{border-color:var(--blue)}.card-edit-input-wrap:focus-within:before{box-shadow:0 0 0 3px var(--focus-ring, rgba(29, 109, 91, .24))}.card-edit-input-wrap .card-inline-input:focus-visible{outline:none;outline-offset:0}.card-editor-row.editing .card-edit-input-wrap--action .card-inline-input{padding-right:28px}.new-card-back-action{position:absolute;z-index:2;top:50%;right:4px;transform:translateY(-50%);display:grid;place-items:center;width:20px;height:20px;padding:0;border:1px solid var(--line);border-radius:50%;color:var(--green-dark);background:var(--paper);cursor:pointer}.new-card-definition-button svg,.new-card-back-clear-button svg,.new-card-audio-generate-button svg{width:17px;height:17px}.new-card-back-action:hover:not(:disabled){border-color:var(--green);background:var(--mint)}.new-card-back-action:disabled{cursor:not-allowed;opacity:.45}.new-card-back-clear-button{color:var(--muted)}.new-card-audio-generate-button{color:var(--green-dark);background:var(--mint)}.field-label{display:block;margin-bottom:7px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.image-dropzone{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;min-height:104px;padding:13px;border:1px dashed #aebdb5;border-radius:12px;background:#fff;transition:border-color .14s ease,background .14s ease,transform .14s ease}.image-dropzone.dragging{border:2px solid var(--green);background:#e6f1eb;transform:scale(1.01)}.image-dropzone img{width:94px;height:78px;border-radius:10px;object-fit:cover}.image-dropzone label{display:grid;gap:4px;cursor:pointer}.image-dropzone label strong{color:var(--green);font-size:14px}.image-dropzone label span{color:var(--muted);font-size:11px;line-height:1.5}.image-dropzone input{position:absolute;width:1px;height:1px;overflow:hidden;opacity:0;pointer-events:none}.inline-error{color:#a44432!important;text-transform:none!important}.new-card-actions{display:flex;align-items:center;justify-content:center;justify-self:end;width:32px;height:32px}.new-card-submit-button{color:var(--green-dark);border:1px solid #a9cabc;background:var(--mint);font-size:22px;font-weight:800}.new-card-submit-button:hover:not(:disabled){color:#fff;border-color:var(--green);background:var(--green)}.new-card-submit-button:disabled{cursor:not-allowed;opacity:.6}.new-card-submit-button[aria-busy=true]{cursor:wait}.study{width:min(760px,100%);margin:0 auto}.study-top{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;margin-bottom:14px}.study-position{justify-self:center;text-align:center}.study-top>.text-button{justify-self:start}.study-top>.card-filter-switch{justify-self:end}.study-top strong,.study-top span{display:block}.autoplay-button{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:0 14px;border:1px solid var(--line);border-radius:11px;color:var(--green-dark);background:var(--paper);font-weight:800;cursor:pointer}.autoplay-button.playing{border-color:#8fb9a7;background:var(--mint)}.autoplay-button>span{margin:0;color:inherit;font-size:12px}.dialog-backdrop{position:fixed;z-index:30;inset:0;display:grid;place-items:center;padding:20px;background:#142d2659;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.options-dialog{width:min(460px,100%);padding:28px;border:1px solid var(--line);border-radius:20px;background:var(--paper);box-shadow:0 28px 80px #142d2638}.dialog-heading{display:flex;align-items:start;justify-content:space-between;margin-bottom:22px}.dialog-heading h2{margin-bottom:0}.dialog-close{display:grid;place-items:center;flex:0 0 34px;width:34px;height:34px;padding:0;border:0;border-radius:50%;color:var(--muted);background:var(--canvas);font-size:23px;line-height:1;cursor:pointer}.options-dialog select{width:100%;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:11px;color:var(--ink);background:#fff}.field-help{color:var(--muted);font-size:12px;font-weight:500;line-height:1.45}.preference-toggle{display:flex;align-items:start;gap:12px;margin:22px 0;padding:16px;border:1px solid var(--line);border-radius:13px;cursor:pointer}.preference-toggle span,.preference-toggle strong,.preference-toggle small{display:block}.preference-toggle small{margin-top:4px;color:var(--muted);line-height:1.45}.account-security{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.account-security h3{margin-bottom:8px}.account-security .field-help{margin-bottom:20px}.dialog-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:24px}.study-top span{margin-top:3px;color:var(--muted);font-size:12px}.study-progress{margin-bottom:38px}.flashcard{position:relative;width:100%;min-height:var(--flashcard-min-height);padding:0;border:0;border-radius:28px;color:var(--ink);background:transparent;perspective:1400px;cursor:pointer}.flashcard:focus-visible{outline:none;outline-offset:0}.flashcard-audio-button{position:absolute;z-index:4;top:24px;right:26px;display:grid;place-items:center;width:38px;height:38px;padding:0;border:1px solid #cbd3ce;border-radius:50%;color:var(--green-dark);background:#ffffffd6;box-shadow:none;cursor:pointer}.flashcard-star-button{top:24px;right:24px;width:38px;height:38px;border:1px solid #cbd3ce;border-radius:50%;color:var(--green-dark);background:#ffffffd6;box-shadow:none}.flashcard-audio-button{right:78px}.flashcard-audio-button:hover:not(:disabled){border-color:var(--green);background:#fff;transform:none;box-shadow:none}.flashcard-audio-button.missing{color:#99a29e;cursor:not-allowed}.flashcard-audio-button svg{width:20px;height:20px}.flashcard-actions{position:absolute;z-index:4;top:24px;right:24px;display:flex;align-items:center;gap:16px}.flashcard-actions[aria-hidden=true]{visibility:hidden;pointer-events:none}.flashcard-actions .flashcard-audio-button,.flashcard-actions .flashcard-star-button{position:static;top:auto;right:auto}.flashcard-inner{position:absolute;inset:0;display:block;transform-style:preserve-3d;transition:transform .56s cubic-bezier(.2,.72,.25,1)}.flashcard-inner.flipped{transform:rotateY(180deg)}.flashcard-face{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;padding:60px;border:1px solid #d8d9d1;border-radius:28px;backface-visibility:hidden;-webkit-backface-visibility:hidden;box-shadow:0 24px 60px #263a331c}.flashcard-front{background:linear-gradient(#ffffffb8,#ffffffb8),repeating-linear-gradient(0deg,transparent 0 45px,#e8e8df 45px 46px)}.flashcard-back{background:#e5eee8;transform:rotateY(180deg)}.flashcard-definition-layout{display:grid;align-items:center;width:100%}.flashcard-definition-layout.has-image{grid-template-columns:minmax(0,1fr) minmax(190px,40%);gap:40px}.flashcard-definition-copy{display:grid;place-items:center}.flashcard-definition-layout.has-image .flashcard-definition-copy{justify-items:start;text-align:left}.flashcard-image{width:100%;max-width:360px;max-height:210px;border-radius:14px;object-fit:contain;justify-self:end}.card-side-label{position:absolute;top:28px;left:30px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.flashcard strong{max-width:620px;font:700 clamp(36px,7vw,60px)/1.15 "Manrope Variable","Manrope",sans-serif}.flashcard-back strong{font-size:clamp(28px,5vw,45px)}.flashcard small{position:absolute;bottom:28px;color:#89948f}.answer-actions{margin-top:25px;color:var(--muted);text-align:center}.forgot-button kbd,.remember-button kbd{display:inline-grid;place-items:center;min-width:31px;height:26px;padding:0 7px;border:1px solid #cfd4cf;border-bottom-width:3px;border-radius:7px;color:#53635d;background:#fff;font:700 12px/1 Manrope Variable,Manrope,sans-serif}.answer-actions>div{display:grid;grid-template-columns:1fr 1fr;gap:12px}.study-card-list-section{margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}.study-card-list-section .cards-heading{padding-top:0;border-top:0}.study-card-row{grid-template-columns:38px minmax(0,.9fr) minmax(0,1.4fr) 168px 112px}.forgot-button,.remember-button{display:flex;align-items:center;justify-content:center;gap:9px;min-height:54px;border-radius:14px;background:#fff;font-weight:800;cursor:pointer}.forgot-button{border:1px solid #dca899;color:#9c4b38}.remember-button{border:1px solid #86b49f;color:var(--green)}.forgot-button:disabled,.remember-button:disabled{opacity:.55;cursor:wait}.completion{display:grid;justify-items:center;width:min(650px,100%);margin:30px auto 0;text-align:center}.completion-ring{display:grid;place-items:center;width:180px;height:180px;margin-bottom:30px;border:14px solid var(--mint);border-top-color:var(--green);border-radius:50%}.completion-ring strong,.completion-ring span{grid-area:1 / 1}.completion-ring strong{transform:translateY(-10px);font:700 42px/1 Manrope Variable,Manrope,sans-serif}.completion-ring span{transform:translateY(24px);color:var(--muted);font-size:11px}.completion h1{margin-bottom:12px;font-size:46px}.completion>p:not(.eyebrow){max-width:540px;color:var(--muted);line-height:1.7}.completion-actions{display:flex;gap:10px;margin-top:16px}.platform-sections{display:grid;gap:26px}.platform-workspace{display:grid;grid-template-columns:210px minmax(0,1fr);align-items:start;gap:28px}.platform-sections{min-width:0}.platform-section[hidden]{display:none}.platform-section{padding:26px;border:1px solid var(--line);border-radius:20px;background:var(--paper);box-shadow:0 8px 28px #20342e0b}.quizlet-import-page{width:100%;margin:0}.quizlet-import-panel{min-width:0}.quizlet-import-intro{margin-bottom:28px}.quizlet-import-intro h1{margin:0 0 8px;font-size:clamp(32px,4vw,48px)}.quizlet-import-intro>p:last-child{max-width:680px;margin:0;color:var(--muted);font-size:14px;line-height:1.6}.quizlet-import-form{display:grid;gap:20px}.quizlet-import-field,.quizlet-import-field label{margin:0}.quizlet-import-field textarea{min-height:360px;resize:vertical}.quizlet-import-help{margin:0;color:var(--muted);font-size:12px;line-height:1.5}.quizlet-import-actions{display:flex;justify-content:flex-end}.quizlet-import-message{margin:0}.quizlet-import-workspace{display:grid;grid-template-columns:210px minmax(0,1fr);gap:28px;align-items:start}.quizlet-import-tabs{position:sticky;top:102px;min-width:0;padding:14px 10px;border:1px solid var(--line);border-radius:18px;background:var(--paper)}.quizlet-import-tabs .sidebar-label{padding:4px 10px 12px}.quizlet-import-tabs [role=tablist]{display:grid;gap:4px}.quizlet-import-tabs button{width:100%;padding:11px 12px;border:0;border-radius:10px;color:var(--muted);background:transparent;font:inherit;font-size:14px;font-weight:750;text-align:left;cursor:pointer}.quizlet-import-tabs button:hover,.quizlet-import-tabs button.selected{color:var(--ink);background:var(--mint)}.quizlet-import-tabs button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill)}.quizlet-import-tab-panel,.quizlet-image-import-workspace{min-width:0}.quizlet-import-panel-heading{margin-bottom:22px}.quizlet-import-panel-heading h2,.quizlet-import-panel-heading h3{margin:0 0 8px}.quizlet-import-panel-heading p{max-width:680px;margin:0;color:var(--muted);line-height:1.6}.quizlet-download-instructions{margin-bottom:24px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface-alt)}.quizlet-download-instructions h3{margin:0 0 10px;font-size:16px}.quizlet-download-instructions ol{display:grid;gap:8px;margin:0;padding-left:22px;color:var(--muted);line-height:1.55}.quizlet-download-paste-warning{margin:14px 0;padding:12px 14px;border:2px solid var(--red, #a94b3c);border-radius:var(--radius-control);color:var(--red, #a94b3c);background:var(--surface-alt);font-size:13px;font-style:italic;font-weight:800;line-height:1.5}.quizlet-download-code{display:grid;gap:10px}.quizlet-download-code-heading,.quizlet-image-sets-heading,.quizlet-image-pagination{display:flex;align-items:center;justify-content:space-between;gap:12px}.quizlet-download-code-heading label,.quizlet-image-sets-heading h3{margin:0}.quizlet-download-script{min-height:430px;resize:vertical;color:var(--ink);background:var(--canvas);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;line-height:1.5}.quizlet-image-import-workspace{display:grid;gap:20px}.quizlet-image-import-panel,.quizlet-image-import-panel form{display:grid;gap:22px}.quizlet-image-file-field{margin:0}.quizlet-image-file-field input[type=file]{width:100%;min-height:var(--control-height);padding:8px 10px;border:1px solid var(--line);border-radius:var(--radius-control);color:var(--ink);background:var(--canvas);font:inherit}.quizlet-image-file-field .quizlet-import-help{margin-top:7px}.quizlet-image-sets-section{display:grid;gap:12px}.quizlet-image-sets-heading>div>span,.quizlet-image-pagination>span{color:var(--muted);font-size:12px}.quizlet-image-sets-heading>div{display:grid;gap:4px;min-width:0}.quizlet-image-set-toolbar{grid-template-columns:minmax(0,1fr) 180px;margin:0}.quizlet-image-set-list{display:grid;gap:8px}.quizlet-image-set-option{display:flex;align-items:center;gap:12px;min-width:0;padding:13px 14px;border:1px solid var(--line);border-radius:var(--radius-control);background:var(--canvas);cursor:pointer}.quizlet-image-set-option:hover,.quizlet-image-set-option.selected{border-color:var(--green);background:var(--mint)}.quizlet-image-set-option input{flex:0 0 auto;width:18px;height:18px;accent-color:var(--green)}.quizlet-image-set-copy{display:grid;gap:4px;min-width:0}.quizlet-image-set-copy strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.quizlet-image-set-copy>span{color:var(--muted);font-size:12px}.quizlet-image-empty{margin:0;padding:18px;color:var(--muted);border:1px dashed var(--line);border-radius:var(--radius-control);text-align:center}.quizlet-image-pagination{justify-content:flex-end;margin-top:2px}.quizlet-image-pagination>span{min-width:92px;text-align:center}.quizlet-image-import-result{display:grid;gap:18px;padding:24px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--paper);box-shadow:0 8px 28px #20342e0b}.quizlet-image-import-result .quizlet-import-panel-heading{margin-bottom:0}.quizlet-image-summary-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.quizlet-image-summary-item{display:grid;gap:4px;min-width:0;padding:12px;border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface-alt)}.quizlet-image-summary-item strong{font-size:23px;line-height:1}.quizlet-image-summary-item span{color:var(--muted);font-size:11px;line-height:1.3}.quizlet-image-summary-item.is-imported strong{color:var(--blue, var(--green))}.quizlet-image-summary-item.is-skipped strong{color:var(--ink)}.quizlet-image-summary-item.is-unmatched strong{color:var(--muted)}.quizlet-image-summary-item.is-failed strong{color:var(--red, #a94b3c)}.quizlet-image-summary-item.is-invalid strong{color:var(--status-warning)}.quizlet-image-log{display:grid;gap:10px;min-width:0}.quizlet-image-log h4{margin:0;color:var(--ink)}.quizlet-image-log ol{display:grid;gap:7px;max-height:320px;margin:0;padding:0 0 0 22px;overflow:auto;color:var(--ink);font-size:12px;line-height:1.45}.quizlet-image-log-entry.is-success{color:var(--green)}.quizlet-image-log-entry.is-warning{color:var(--ink)}.quizlet-image-log-entry.is-error{color:var(--red, #a94b3c)}html[data-theme=effective-learning] .quizlet-import-tabs,html[data-theme=effective-learning] .quizlet-image-import-result{border:2px solid var(--border-strong);border-radius:var(--radius-panel);box-shadow:4px 4px 0 var(--cocoa)}html[data-theme=simple] .quizlet-import-tabs,html[data-theme=simple] .quizlet-image-import-result{border:1px solid var(--line);border-radius:18px;box-shadow:none}html[data-theme=modern] .quizlet-import-tabs,html[data-theme=modern] .quizlet-image-import-result{background:#ffffffbd;border:1px solid var(--line);border-radius:var(--radius-panel);box-shadow:var(--modern-control-shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}html[data-theme=modern] .quizlet-import-tabs button{border-radius:var(--modern-button-radius);font-family:var(--modern-font-sans);font-size:11px;letter-spacing:0}html[data-theme=modern] .quizlet-import-tabs button:hover,html[data-theme=modern] .quizlet-import-tabs button.selected{color:var(--ink);background:linear-gradient(180deg,#fff8f5 0%,var(--yellow-soft) 100%);box-shadow:inset 0 0 0 1px #e7654914}html[data-theme=modern] .quizlet-import-tabs button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill);box-shadow:var(--modern-button-shadow)}@media(max-width:720px){.quizlet-import-workspace{grid-template-columns:1fr;gap:16px}.quizlet-import-tabs{position:static;padding:9px}.quizlet-import-tabs .sidebar-label{display:none}.quizlet-import-tabs [role=tablist]{grid-template-columns:repeat(3,minmax(0,1fr))}.quizlet-import-tabs button{padding:10px 8px;text-align:center}.quizlet-download-code-heading{align-items:flex-start}.quizlet-download-script{min-height:360px}.quizlet-image-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.quizlet-image-pagination{flex-wrap:wrap}}.section-heading,.platform-card-heading,.inline-actions{display:flex;align-items:center;justify-content:space-between;gap:16px}.section-heading{margin-bottom:20px}.section-heading h2,.platform-card-heading h3{margin:2px 0 0}.platform-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.platform-card{padding:20px;border:1px solid var(--line);border-radius:15px;background:var(--canvas)}.platform-card label{display:grid;gap:7px;margin-bottom:14px;color:#40544d;font-size:12px;font-weight:700}.platform-card-heading{align-items:start;margin-bottom:18px}.platform-card-heading>span{color:var(--muted);font-size:12px;font-weight:700}.create-class{max-width:620px;margin-bottom:18px}.lesson-assignment{display:grid;gap:9px;margin:17px 0;padding:15px;border:1px solid var(--line);border-radius:12px}.lesson-assignment legend{padding:0 5px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.lesson-assignment label{display:flex;align-items:center;gap:9px;margin:0;cursor:pointer}.lesson-assignment input{width:auto}.lesson-assignment span small{margin-left:7px;color:#9c684f}.inline-actions{justify-content:flex-start}.inline-message,.row-message{color:var(--muted);font-size:12px}.invitation-heading{display:block}.invitation-heading>.eyebrow{margin-bottom:9px}.invitation-title-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:14px;min-height:43px;margin:0}.invitation-title-row h2{margin:0}.invitation-enable-toggle{display:inline-flex;align-items:center;gap:7px;margin:0;color:var(--muted);font-size:11px;font-weight:700;white-space:nowrap}.invitation-enable-toggle input{width:17px;height:17px;margin:0;padding:0;accent-color:var(--green)}.invitation-validity-control{display:flex;align-items:center;gap:10px;width:clamp(250px,29vw,360px)}.invitation-validity-label{color:var(--muted);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;white-space:nowrap}.invitation-validity-value{min-width:53px;color:var(--ink);font-size:12px;text-align:right;white-space:nowrap}.invitation-validity-control input[type=range]{flex:1;width:auto;min-width:150px;height:20px;margin:0;padding:0;accent-color:var(--accent);cursor:pointer}.invitation-title-row>label:not(.invitation-enable-toggle){display:flex;align-items:center;gap:9px;margin:0;color:var(--muted);font-size:12px;font-weight:700;white-space:nowrap}.invitation-title-row select,.platform-table select{min-height:41px;padding:0 10px;border:1px solid var(--line);border-radius:10px;color:var(--ink);background:#fff}.invitation-list-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 4px 10px;border-top:1px solid var(--line)}.invitation-list-heading strong,.invitation-list-heading span{display:block}.invitation-list-heading span{margin-top:3px;color:var(--muted);font-size:12px}.invitation-list{display:grid;gap:8px;margin-top:17px}.invitation-row{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:14px;padding:13px 4px;border-bottom:1px solid var(--line)}.invitation-row>div strong,.invitation-row>div span{display:block}.invitation-row>div span{margin-top:3px;color:var(--muted);font-size:12px;text-transform:capitalize}.status-active,.status-used,.status-expired{padding:5px 9px;border-radius:999px;font-size:11px;font-weight:800;text-transform:capitalize}.status-active{color:#23614f;background:#e0eee8}.status-used,.status-expired{color:var(--muted);background:#ecece8}.invitation-empty{padding:22px 4px 8px;color:var(--muted);text-align:center}.platform-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px}.platform-table{width:100%;border-collapse:collapse}.platform-table th,.platform-table td{padding:13px 15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}.platform-table th{color:var(--muted);background:var(--canvas);font-size:11px;letter-spacing:.07em;text-transform:uppercase}.platform-table tbody tr:last-child td{border-bottom:0}.platform-table td:first-child strong,.platform-table td:first-child small,.row-message{display:block}.platform-table td:first-child small{margin-top:3px;color:var(--muted)}.platform-table th:last-child,.platform-table td:last-child{width:180px;text-align:right}.account-save-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;min-height:38px}.account-save-actions .row-message{display:inline;color:var(--muted);white-space:nowrap}.account-save-actions .row-message.success{color:var(--green);font-weight:700}.account-save-actions .row-message.error{color:var(--coral);white-space:normal}.role-checklist{display:flex;flex-wrap:wrap;gap:7px 12px;min-width:210px}.role-checklist label{display:flex;align-items:center;gap:5px;font-size:12px;font-weight:700;cursor:pointer}.role-checklist input{width:auto}.compact-button{min-height:38px;padding:0 13px}.muted-cell{color:var(--muted)}@media(max-width:980px){.lesson-grid{grid-template-columns:repeat(2,1fr)}.platform-grid,.auth-layout{grid-template-columns:1fr}.auth-story{display:none}}@media(max-width:720px){.topbar{grid-template-columns:1fr auto;height:auto;padding:14px 20px}.topnav{grid-row:2;grid-column:1 / 3;justify-content:center;height:45px;order:3}.account-options-button strong,.account-options-button span{display:none}.account-options-button:after{content:"⚙";font-size:18px}.page{width:min(100% - 28px,1180px);padding-top:38px}.page-heading{align-items:start;flex-direction:column}.lesson-grid{grid-template-columns:1fr}.invitation-title-row{display:flex;align-items:stretch;flex-direction:column}.invitation-title-row h2,.invitation-enable-toggle{align-self:center}.platform-section{padding:18px}.invitation-title-row>label:not(.invitation-enable-toggle){justify-content:space-between}.invitation-validity-control{width:100%}.studio{grid-template-columns:1fr}.studio-sidebar{overflow-x:auto;display:flex;gap:5px;border-right:0;border-bottom:1px solid var(--line);border-radius:18px 18px 0 0}.sidebar-label{display:none}.studio-sidebar button{min-width:180px}.studio-content{padding:20px}.editor-header,.cards-heading{align-items:start;flex-direction:column}.flashcard-set-details-section .publish-toggle{transform:none}.cards-heading-actions{width:100%;flex-wrap:wrap;justify-content:space-between}.card-editor-row{grid-template-columns:24px 34px 1fr}.card-editor-row:not(.editing) .card-menu-wrap{justify-self:end}.card-editor-row.editing .row-actions{grid-column:3;justify-content:flex-start}.card-editor-row>*:nth-child(n+3){grid-column:3}.card-inline-field{height:auto}.study-card-row{grid-template-columns:34px 1fr}.study-card-row>*:nth-child(n+3){grid-column:2}.study-card-row .card-thumbnail-cell{width:100%}.study-card-row .card-audio-controls{justify-content:flex-start}.card-upload-status{grid-column:1 / -1!important;margin-left:0}.image-dropzone{grid-template-columns:1fr}.image-dropzone img{width:100%;height:150px}.flashcard{min-height:var(--flashcard-min-height-mobile)}.study-top{grid-template-columns:minmax(0,1fr) auto;row-gap:10px}.study-top .study-position{grid-column:1 / -1;grid-row:1}.study-top>.text-button{grid-column:1;grid-row:2}.study-top>.card-filter-switch{grid-column:2;grid-row:2}.autoplay-button{order:3;width:100%;justify-content:center}.flashcard-face{padding:50px 28px}.flashcard-definition-layout.has-image{grid-template-columns:1fr;gap:22px}.flashcard-definition-layout.has-image .flashcard-definition-copy{justify-items:center;text-align:center}.flashcard-image{max-width:230px;max-height:145px;justify-self:center}.answer-actions>div{grid-template-columns:1fr}.flashcard-set-preview-navigation{flex-direction:column;gap:10px}.flashcard-preview-controls{position:static;transform:none}}body{color:var(--ink);background-color:var(--canvas);background-image:radial-gradient(circle at 14% 9%,rgba(255,199,77,.12),transparent 21%),radial-gradient(circle at 90% 78%,rgba(23,157,207,.08),transparent 24%)}h1,h2,h3{color:var(--cocoa);font-weight:850;letter-spacing:-.045em}.brand-mark,.wordmark-symbol{width:42px;height:42px;color:var(--cocoa);background:radial-gradient(circle,var(--yellow) 0 44%,transparent 45%),repeating-conic-gradient(from 0deg,var(--yellow) 0deg 10deg,transparent 10deg 20deg);filter:drop-shadow(0 2px 0 rgba(52,34,27,.18))}.wordmark,.wordmark.light{color:var(--cocoa);font-weight:850}.wordmark.light .wordmark-symbol{color:var(--cocoa);background:radial-gradient(circle,var(--yellow) 0 44%,transparent 45%),repeating-conic-gradient(from 0deg,var(--yellow) 0deg 10deg,transparent 10deg 20deg)}.primary-button,.secondary-button,.danger-button,.forgot-button,.remember-button,.autoplay-button{border-width:2px;border-radius:999px;font-weight:800}.primary-button{color:var(--cocoa);background:var(--yellow);border-color:var(--cocoa);box-shadow:3px 3px 0 var(--cocoa)}.primary-button:hover{color:var(--cocoa);background:#ffd46f;box-shadow:1px 1px 0 var(--cocoa);transform:translate(2px,2px)}.secondary-button{color:var(--cocoa);background:var(--paper);border-color:var(--cocoa)}.secondary-button:hover{background:var(--yellow-soft);border-color:var(--cocoa)}.text-button{color:#806019}.eyebrow{color:#91651a}.app-shell{position:relative;isolation:isolate}.app-shell:before,.app-shell:after{position:fixed;z-index:-1;pointer-events:none}.app-shell:before{content:"✦";top:150px;left:4vw;color:#179dcf24;font-size:70px;font-weight:900;transform:rotate(-15deg)}.app-shell:after{content:"Aa";right:3vw;bottom:7vh;padding:10px 16px;color:#f17f632e;border:3px solid rgba(241,127,99,.13);border-radius:18px;font-size:34px;font-weight:900;transform:rotate(8deg)}.topbar{position:sticky;top:0;z-index:40;height:82px;padding:0 max(32px,calc((100vw - 1180px)/2));background:#fffdf8eb;border-bottom:2px solid var(--cocoa);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.topnav{height:auto;padding:5px;gap:4px;background:var(--yellow-soft);border:1px solid var(--line);border-radius:999px}.topnav button{min-height:34px;padding:0 15px;border-radius:999px}.topnav button.active{color:var(--tab-selected-ink);background:var(--tab-selected-fill)}.topnav button.active:after{display:none}.account-options-button:hover{background:var(--yellow-soft)}.page{position:relative;width:min(100% - 48px,1180px);padding-top:56px;padding-bottom:88px}.page-heading,.page-heading.compact{position:relative;overflow:hidden;min-height:160px;margin-bottom:36px;padding:30px 190px 30px 34px;align-items:center;background:linear-gradient(135deg,rgba(255,255,255,.44),transparent 44%),var(--yellow-soft);border:2px solid var(--cocoa);border-radius:28px;box-shadow:7px 7px 0 var(--cocoa)}.page-heading:before{content:"";position:absolute;right:52px;bottom:-24px;width:104px;height:138px;background:var(--blue);border:3px solid var(--cocoa);border-radius:50px 50px 18px 18px;transform:rotate(7deg)}.page-heading:after{content:"Aa";position:absolute;right:73px;bottom:28px;color:#fff;font-size:28px;font-weight:900;transform:rotate(7deg)}.page-heading h1{margin-bottom:8px;font-size:clamp(42px,5vw,64px);line-height:.98}.lesson-grid{gap:24px}.lesson-card{min-height:330px;padding:23px;background:var(--paper);border:2px solid var(--cocoa);border-radius:24px;box-shadow:6px 6px 0 var(--cocoa)}.lesson-card:nth-child(4n+1){background:#fff8e8}.lesson-card:nth-child(4n+2){background:#eaf8fc}.lesson-card:nth-child(4n+3){background:#fff0e9}.lesson-card:nth-child(4n+4){background:#eff7e8}.lesson-card:hover{box-shadow:3px 3px 0 var(--cocoa);transform:translate(3px,3px) rotate(-.35deg)}.lesson-number,.tone-0,.tone-1,.tone-2,.tone-3{display:grid;place-items:center;width:58px;height:58px;color:var(--cocoa);background:radial-gradient(circle,var(--yellow) 0 45%,transparent 46%),repeating-conic-gradient(from 0deg,var(--yellow) 0deg 10deg,transparent 10deg 20deg);border:0;border-radius:50%}.progress-track,.study-progress{height:11px;background:#34221b1a;border:1px solid rgba(52,34,27,.22)}.progress-track span,.study-progress span{background:var(--blue)}.empty-state{background:var(--paper);border:2px dashed var(--cocoa);border-radius:28px;box-shadow:6px 6px #34221b21}.empty-icon{color:var(--cocoa);background:var(--yellow);border:2px solid var(--cocoa)}.auth-layout{grid-template-columns:minmax(480px,1.15fr) minmax(420px,.85fr);background:var(--canvas)}.auth-story{min-height:100vh;padding:46px clamp(40px,7vw,110px);color:var(--cocoa);background:linear-gradient(rgba(221,185,112,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(221,185,112,.25) 1px,transparent 1px),#fff2dc;background-size:30px 30px}.auth-story:before{content:"✦";position:absolute;right:12%;top:16%;color:var(--blue);font-size:72px;font-weight:900}.auth-story:after{content:"Aa";right:-42px;bottom:4%;display:grid;place-items:center;width:300px;height:230px;color:#fff;background:var(--blue);border:4px solid var(--cocoa);border-radius:110px 20px 20px 110px;box-shadow:-10px 10px 0 var(--yellow);font-size:76px;font-weight:900;transform:rotate(-4deg)}.auth-copy .eyebrow{color:#966b18}.auth-copy h1{max-width:650px;color:var(--cocoa);font-size:clamp(58px,6vw,88px);font-weight:900;line-height:.92;letter-spacing:-.065em}.auth-copy>p:last-child{color:#5e4d43}.decorative-card{z-index:2;width:min(360px,76%);color:var(--cocoa);background:var(--yellow);border:2px solid var(--cocoa);border-radius:20px;box-shadow:6px 6px 0 var(--cocoa);transform:rotate(-2deg)}.decorative-card span,.decorative-card strong,.decorative-card p{color:var(--cocoa)}.auth-panel{position:relative;padding:38px;background:radial-gradient(circle at 88% 10%,rgba(255,199,77,.2),transparent 24%),var(--paper)}.auth-form-wrap{width:min(100%,470px);padding:34px;background:#fffdf8;border:2px solid var(--cocoa);border-radius:26px;box-shadow:8px 8px 0 var(--cocoa)}.auth-form-wrap h2{font-size:36px}.segmented{padding:4px;background:var(--yellow-soft);border-radius:999px}.segmented button{border-radius:999px}.segmented button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill)}.auth-form-wrap input,.field-group input,.field-group textarea,.field-group select,.options-dialog select,.invitation-title-row select,.platform-table select{background:#fffefa;border:2px solid var(--line);border-radius:13px}.studio{background:var(--paper);border:2px solid var(--cocoa);border-radius:28px;box-shadow:7px 7px 0 var(--cocoa)}.studio-sidebar{background:radial-gradient(circle at 16px 16px,rgba(255,199,77,.18) 2px,transparent 3px),#fff5dd;background-size:28px 28px;border-color:var(--cocoa)}.studio-sidebar button{border-radius:14px}.studio-sidebar button.selected{color:var(--cocoa);background:var(--yellow);border:1px solid var(--cocoa);box-shadow:3px 3px 0 var(--cocoa)}.publish-toggle,.select-all-cards,.audio-option,.speed-option{color:var(--cocoa);background:transparent;border:0;border-radius:0}.card-editor-row{background:#fffefa;border:1.5px solid var(--line);border-radius:18px;box-shadow:0 5px #34221b0f}.card-editor-row:nth-child(2n){background:#f5fbfd}.card-index,.new-card-number{color:var(--cocoa);background:var(--yellow);border:1px solid var(--cocoa)}.study{max-width:940px}.autoplay-button{color:var(--cocoa);background:var(--yellow);border:2px solid var(--cocoa);box-shadow:3px 3px 0 var(--cocoa)}.autoplay-button.playing{color:#fff;background:var(--blue)}.flashcard{min-height:var(--flashcard-min-height);border:3px solid var(--cocoa);border-radius:34px;box-shadow:10px 10px 0 var(--cocoa)}.flashcard-face{border-radius:30px}.flashcard-front{color:var(--cocoa);background:#fff3dc}.flashcard-back{color:var(--cocoa);background:var(--blue-soft)}.card-side-label{color:var(--cocoa);background:var(--yellow);border:2px solid var(--cocoa);box-shadow:2px 2px 0 var(--cocoa)}.flashcard strong{color:var(--cocoa);font-size:clamp(44px,7vw,78px);font-weight:900}.flashcard-back strong{font-size:clamp(30px,4.5vw,50px)}.flashcard-audio-button{color:var(--cocoa);background:var(--yellow);border:2px solid var(--cocoa);box-shadow:none}.forgot-button{color:var(--cocoa);background:#ffdcd2;border-color:var(--cocoa)}.remember-button{color:#fff;background:var(--blue);border-color:var(--cocoa);box-shadow:3px 3px 0 var(--cocoa)}.completion{background:var(--yellow-soft);border:3px solid var(--cocoa);border-radius:32px;box-shadow:9px 9px 0 var(--cocoa)}.platform-section,.platform-card{background:var(--paper);border:2px solid var(--cocoa);border-radius:24px;box-shadow:6px 6px 0 var(--cocoa)}.platform-section:nth-child(2n),.platform-card:nth-child(2n){background:#f5fbfd}.platform-table-wrap{background:var(--paper);border:2px solid var(--cocoa);border-radius:17px}.platform-table th{color:var(--cocoa);background:var(--yellow-soft)}.platform-table tbody tr:nth-child(2n) td{background:#dff4fb5c}.status-active{color:#425b30;background:#e8f1d8;border:1px solid #b8ca9b}.options-dialog{background:var(--paper);border:2px solid var(--cocoa);border-radius:26px;box-shadow:8px 8px 0 var(--cocoa)}.dialog-close{color:var(--cocoa);background:var(--yellow-soft);border:1px solid var(--cocoa)}@media(max-width:980px){.auth-layout{grid-template-columns:1fr}.auth-story{display:flex;min-height:520px}}@media(max-width:720px){.app-shell:before,.app-shell:after,.page-heading:before,.page-heading:after,.auth-story:after{display:none}.topbar{padding:14px 18px;border-bottom-width:1.5px}.page{width:min(100% - 28px,1180px);padding-top:34px}.page-heading,.page-heading.compact{min-height:auto;padding:26px;border-radius:22px;box-shadow:5px 5px 0 var(--cocoa)}.auth-story{display:flex;min-height:470px;padding:30px 26px}.auth-copy h1{font-size:clamp(50px,15vw,68px)}.auth-panel{min-height:auto;padding:30px 18px 50px}.auth-form-wrap{padding:25px 22px;box-shadow:5px 5px 0 var(--cocoa)}.flashcard{min-height:var(--flashcard-min-height-mobile);border-radius:26px;box-shadow:6px 6px 0 var(--cocoa)}.flashcard-face{border-radius:22px}}.style-settings-heading{align-items:end;margin-bottom:0}.platform-cache-settings-heading{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.style-settings-heading>div>p:last-child{margin:7px 0 0;color:var(--muted);font-size:14px}.style-settings-form{display:flex;align-items:center;justify-content:flex-end;gap:10px}.platform-cache-ttl-field{min-width:150px}.platform-cache-ttl-field input{width:150px}.platform-section.style-settings{position:relative;z-index:2}.website-style-select{position:relative;z-index:1;flex:0 0 auto;min-width:210px}.website-style-select.is-open{z-index:80}.website-style-select-trigger{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:var(--control-height, 43px);padding:0 12px;color:var(--ink);background:var(--paper);border:2px solid var(--line);border-radius:13px;font:inherit;text-align:left;cursor:pointer}.website-style-select-trigger[aria-expanded=true]{border-color:var(--blue, var(--green))}.website-style-select-value{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.website-style-select-chevron{flex:0 0 auto;width:8px;height:8px;margin:-4px 2px 0 0;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform .14s ease}.website-style-select-trigger[aria-expanded=true] .website-style-select-chevron{margin-top:4px;transform:rotate(225deg)}.website-style-select-menu{position:absolute;z-index:80;top:calc(100% + 8px);left:0;display:grid;width:100%;max-height:min(280px,calc(100vh - 32px));overflow-y:auto;padding:6px;background:var(--paper);border:2px solid var(--cocoa);border-radius:15px;box-shadow:5px 5px 0 var(--cocoa)}.website-style-select-option{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:var(--control-height, 43px);padding:0 10px;border:0;border-radius:9px;color:var(--cocoa);background:transparent;font:inherit;font-size:13px;font-weight:750;text-align:left;cursor:pointer}.website-style-select-option:hover,.website-style-select-option:focus-visible,.website-style-select-option[aria-selected=true]{background:var(--yellow-soft)}.website-style-select-option:focus-visible{outline:2px solid var(--blue, var(--green));outline-offset:-2px}.website-style-select-option>span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.website-style-select-option-check{flex:0 0 16px;color:var(--green-dark, var(--green));font-size:15px;text-align:center}.style-save-status{min-width:42px;color:var(--sage);font-size:12px;font-weight:800}html[data-theme=simple]{--ink: #18342f;--muted: #6f7f78;--paper: #fffdf8;--canvas: #f7f5ef;--green: #1d6d5b;--green-dark: #155345;--mint: #dcebe3;--line: #dddcd4;--coral: #df765d;--shadow: 0 18px 50px rgba(35, 59, 52, .09);color:var(--ink);background:var(--canvas)}html[data-theme=simple] body{color:var(--ink);background:var(--canvas)}html[data-theme=simple] h1,html[data-theme=simple] h2,html[data-theme=simple] h3{color:var(--ink);font-weight:700;letter-spacing:-.025em}html[data-theme=simple] .app-shell:before,html[data-theme=simple] .app-shell:after,html[data-theme=simple] .auth-story:before,html[data-theme=simple] .auth-panel:before,html[data-theme=simple] .page-heading:before,html[data-theme=simple] .page-heading:after{display:none}html[data-theme=simple] .brand-mark,html[data-theme=simple] .wordmark-symbol{width:38px;height:38px;color:#fff;background:var(--green);border-radius:50%;filter:none;font-size:20px;font-weight:700}html[data-theme=simple] .wordmark{gap:10px;color:var(--ink);font-size:22px;font-weight:700;letter-spacing:normal}html[data-theme=simple] .wordmark.light{color:#fff}html[data-theme=simple] .wordmark.light .wordmark-symbol{color:var(--green-dark);background:#f6ead1}html[data-theme=simple] .primary-button,html[data-theme=simple] .secondary-button,html[data-theme=simple] .danger-button{border-width:1px;border-radius:12px;font-weight:700;letter-spacing:normal;box-shadow:none}html[data-theme=simple] .primary-button{color:#fff;background:var(--green);border-color:transparent}html[data-theme=simple] .primary-button:hover{color:#fff;background:var(--green-dark);box-shadow:none;transform:translateY(-1px)}html[data-theme=simple] .secondary-button{color:var(--ink);background:var(--paper);border-color:var(--line)}html[data-theme=simple] .secondary-button:hover{background:var(--paper);border-color:#a9b5ae}html[data-theme=simple] .text-button,html[data-theme=simple] .eyebrow{color:var(--green)}html[data-theme=simple] .topbar{height:74px;padding:0 max(28px,calc((100vw - 1240px)/2));background:#fffdf8eb;border-bottom:1px solid rgba(220,220,212,.9);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}html[data-theme=simple] .topnav{align-self:stretch;height:auto;padding:0;gap:30px;background:transparent;border:0;border-radius:0}html[data-theme=simple] .topnav button{min-height:auto;padding:0;color:var(--muted);background:transparent;border-radius:0}html[data-theme=simple] .topnav button.active{color:var(--ink);background:transparent}html[data-theme=simple] .topnav button.active:after{display:block;background:var(--green)}html[data-theme=simple] .account-options-button:hover{background:var(--mint)}html[data-theme=simple] .page{width:min(1180px,calc(100% - 48px));padding:62px 0 80px}html[data-theme=simple] .page-heading,html[data-theme=simple] .page-heading.compact{overflow:visible;min-height:0;padding:0;align-items:flex-end;background:transparent;border:0;border-radius:0;box-shadow:none}html[data-theme=simple] .page-heading{margin-bottom:42px}html[data-theme=simple] .page-heading.compact{margin-bottom:28px}html[data-theme=simple] .page-heading h1{margin-bottom:10px;font-size:clamp(42px,5vw,62px);line-height:normal}html[data-theme=simple] .lesson-grid{gap:22px}html[data-theme=simple] .lesson-card{min-height:300px;padding:0;background:var(--paper);border:1px solid var(--line);border-radius:20px;box-shadow:0 4px 18px #20342e09}html[data-theme=simple] .lesson-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}html[data-theme=simple] .lesson-number,html[data-theme=simple] .tone-0,html[data-theme=simple] .tone-1,html[data-theme=simple] .tone-2,html[data-theme=simple] .tone-3{display:grid;place-items:start center;width:auto;height:auto;padding-top:28px;border:0;border-radius:0;font-size:30px;font-weight:700}html[data-theme=simple] .tone-0{color:#286454;background:#dfece4}html[data-theme=simple] .tone-1{color:#875b2b;background:#f2e6ca}html[data-theme=simple] .tone-2{color:#8b4938;background:#f1dcd4}html[data-theme=simple] .tone-3{color:#4f596f;background:#e0e4ef}html[data-theme=simple] .progress-track,html[data-theme=simple] .study-progress{height:8px;background:#e7e9e4;border:0}html[data-theme=simple] .progress-track span,html[data-theme=simple] .study-progress span{background:var(--green)}html[data-theme=simple] .empty-state{background:transparent;border:1px dashed #d7d9d2;border-radius:18px;box-shadow:none}html[data-theme=simple] .empty-icon{color:var(--green);background:var(--mint);border:0;box-shadow:none}html[data-theme=simple] .auth-layout{grid-template-columns:minmax(420px,1.05fr) minmax(420px,.95fr);background:var(--canvas)}html[data-theme=simple] .auth-story{min-height:100vh;padding:48px 9%;color:#fff;background:radial-gradient(circle at 80% 15%,rgba(240,207,148,.2),transparent 30%),linear-gradient(145deg,#1d6656,#143e38)}html[data-theme=simple] .auth-story:after{content:"";right:-260px;bottom:-250px;display:block;width:520px;height:520px;background:transparent;border:1px solid rgba(255,255,255,.14);border-radius:50%;box-shadow:0 0 0 70px #ffffff06,0 0 0 140px #ffffff05;font-size:0;transform:none}html[data-theme=simple] .auth-copy .eyebrow{color:#efd59e}html[data-theme=simple] .auth-copy h1{max-width:530px;color:#fff;font-size:clamp(42px,5.4vw,76px);font-weight:700;line-height:1.03;letter-spacing:-.025em}html[data-theme=simple] .auth-copy>p:last-child{color:#ffffffc2}html[data-theme=simple] .decorative-card{width:min(390px,75%);color:var(--ink);background:#f8ecd3;border:0;border-radius:8px 8px 28px;box-shadow:0 18px 40px #0000002e}html[data-theme=simple] .decorative-card span{color:#8e6d49}html[data-theme=simple] .decorative-card strong{color:var(--ink)}html[data-theme=simple] .decorative-card p{color:#6e6251}html[data-theme=simple] .auth-panel{min-height:auto;padding:48px 9%;background:var(--paper)}html[data-theme=simple] .auth-form-wrap{width:min(430px,100%);padding:0;background:transparent;border:0;border-radius:0;box-shadow:none}html[data-theme=simple] .auth-form-wrap h2{font-size:38px}html[data-theme=simple] .segmented{padding:4px;background:#efeee8;border:0;border-radius:13px}html[data-theme=simple] .segmented button{border-radius:10px}html[data-theme=simple] .segmented button.selected{color:var(--ink);background:#fff}html[data-theme=simple] .auth-form-wrap input,html[data-theme=simple] .field-group input,html[data-theme=simple] .field-group textarea,html[data-theme=simple] .field-group select,html[data-theme=simple] .options-dialog select,html[data-theme=simple] .invitation-title-row select,html[data-theme=simple] .platform-table select{background:#fff;border:1px solid #d8dad4;border-radius:11px}html[data-theme=simple] .studio{background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}html[data-theme=simple] .studio-sidebar{background:#f1f1eb;border-color:var(--line);background-image:none}html[data-theme=simple] .studio-sidebar button{border:0;border-radius:10px;box-shadow:none}html[data-theme=simple] .studio-sidebar button.selected{background:#fff;border:0;box-shadow:0 2px 8px #1e362e0f}html[data-theme=simple] .publish-toggle,html[data-theme=simple] .select-all-cards,html[data-theme=simple] .audio-option,html[data-theme=simple] .speed-option{color:var(--ink);background:transparent;border:0;border-radius:0}html[data-theme=simple] .card-editor-row{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:none}html[data-theme=simple] .card-index,html[data-theme=simple] .new-card-number{color:var(--green);background:var(--mint);border:0}html[data-theme=simple] .study{max-width:900px}html[data-theme=simple] .autoplay-button{color:var(--green-dark);background:var(--paper);border:1px solid var(--line);border-radius:999px;box-shadow:none}html[data-theme=simple] .autoplay-button.playing{color:#fff;background:var(--green)}html[data-theme=simple] .flashcard{border:0;border-radius:28px;box-shadow:none}html[data-theme=simple] .flashcard-face{border:1px solid #d8d9d1;border-radius:28px;box-shadow:0 24px 60px #263a331c}html[data-theme=simple] .flashcard-front{color:var(--ink);background:linear-gradient(#ffffffb8,#ffffffb8),repeating-linear-gradient(0deg,transparent 0 45px,#e8e8df 45px 46px)}html[data-theme=simple] .flashcard-back{color:var(--ink);background:#e5eee8}html[data-theme=simple] .card-side-label{color:var(--muted);background:transparent;border:0;border-radius:0;box-shadow:none}html[data-theme=simple] .flashcard strong{color:var(--ink);font-size:clamp(36px,7vw,60px);font-weight:700;letter-spacing:normal}html[data-theme=simple] .flashcard-back strong{font-size:clamp(28px,5vw,45px)}html[data-theme=simple] .flashcard-image{border:0;border-radius:14px;box-shadow:none}html[data-theme=simple] .flashcard-audio-button{color:var(--green-dark);background:#ffffffd6;border:1px solid #cbd3ce;box-shadow:none}html[data-theme=simple] .forgot-button,html[data-theme=simple] .remember-button{min-height:54px;border-radius:14px;background:#fff;box-shadow:none}html[data-theme=simple] .forgot-button{color:#9c4b38;border:1px solid #dca899}html[data-theme=simple] .remember-button{color:var(--green);border:1px solid #86b49f}html[data-theme=simple] .completion{padding:0;background:transparent;border:0;border-radius:0;box-shadow:none}html[data-theme=simple] .completion-ring{background:transparent;border:14px solid var(--mint);border-top-color:var(--green)}html[data-theme=simple] .platform-section,html[data-theme=simple] .platform-card{background:var(--paper);border:1px solid var(--line);box-shadow:0 8px 28px #20342e0b}html[data-theme=simple] .platform-section{border-radius:20px}html[data-theme=simple] .platform-card{background:var(--canvas);border-radius:15px;box-shadow:none}html[data-theme=simple] .platform-table-wrap{background:transparent;border:1px solid var(--line);border-radius:14px}html[data-theme=simple] .platform-table th{color:var(--muted);background:var(--canvas)}html[data-theme=simple] .platform-table tbody tr:nth-child(2n) td{background:transparent}html[data-theme=simple] .status-active{color:#23614f;background:#e0eee8;border:0}html[data-theme=simple] .options-dialog{background:var(--paper);border:0;border-radius:18px;box-shadow:var(--shadow)}html[data-theme=simple] .dialog-close{color:var(--muted);background:transparent;border:0}@media(max-width:720px){.style-settings-heading,.style-settings-form{align-items:stretch;flex-direction:column}.style-settings-form .website-style-select{min-width:0;width:100%}.platform-cache-ttl-field input{width:100%}.style-save-status{min-height:16px;margin:0}html[data-theme=simple] .topbar{height:auto;padding:14px 20px}html[data-theme=simple] .topnav{width:auto;padding:0;gap:30px;background:transparent;overflow-x:visible}html[data-theme=simple] .page{width:min(100% - 28px,1180px);padding-top:38px}html[data-theme=simple] .page-heading,html[data-theme=simple] .page-heading.compact{padding:0;box-shadow:none}html[data-theme=simple] .auth-story{display:none}html[data-theme=simple] .auth-panel{min-height:100vh;padding:38px 26px}html[data-theme=simple] .auth-form-wrap{padding:0;box-shadow:none}html[data-theme=simple] .flashcard{box-shadow:none}}.site-frame{display:flex;flex-direction:column;min-height:100vh}.site-frame>.app-shell{display:flex;flex:1;flex-direction:column;min-height:0}.site-frame>.app-shell>.page,.site-frame>.center-screen,.site-frame>.auth-layout{flex:1}.site-frame>.center-screen,.site-frame>.auth-layout,.site-frame>.auth-layout .auth-story,.site-frame>.auth-layout .auth-panel{min-height:calc(100vh - 42px)}.website-information{position:relative;z-index:5;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:4px 14px;min-height:42px;padding:9px 20px;color:var(--muted);background:var(--paper);border-top:1px solid var(--line);border-top-color:color-mix(in srgb,var(--line) 78%,transparent);font-size:11px;font-weight:600;letter-spacing:.025em;text-align:center}.website-information-link{color:inherit;text-decoration:underline;text-decoration-color:color-mix(in srgb,currentColor 58%,transparent);text-underline-offset:2px}.website-information-link:hover,.website-information-link:focus-visible{text-decoration-color:currentColor}html[data-theme=simple] .website-information{color:var(--muted);background:#fffdf8f5;border-top:1px solid var(--line);border-top-color:color-mix(in srgb,var(--line) 78%,transparent);font-weight:650}html[data-theme=modern] .website-information{color:var(--muted);background:#ffffffc7;border-top:1px solid var(--line);border-top-color:color-mix(in srgb,var(--line) 78%,transparent);font-family:var(--modern-font-sans);font-size:10px;font-weight:600}.account-menu{position:relative}.account-options-button{display:inline-flex;align-items:center;gap:10px}.account-identity{display:block}.account-chevron{display:grid!important;place-items:center;width:22px;height:22px;color:var(--muted);font-size:16px;line-height:1}.account-dropdown{position:absolute;z-index:60;top:calc(100% + 10px);right:0;width:164px;padding:7px;background:var(--paper);border:2px solid var(--cocoa);border-radius:15px;box-shadow:5px 5px 0 var(--cocoa)}.account-dropdown button{display:block;width:100%;min-height:38px;padding:0 12px;border:0;border-radius:9px;color:var(--cocoa);background:transparent;font:inherit;font-size:13px;font-weight:800;text-align:left;cursor:pointer}.account-dropdown button:hover,.account-dropdown button:focus-visible{background:var(--yellow-soft)}.settings-page-heading{align-items:center}.settings-page-heading>div{min-width:0}.settings-page-heading>.secondary-button{flex:0 0 auto}.settings-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:28px;align-items:start}.settings-tabs{position:sticky;top:102px;padding:14px 10px;background:var(--paper);border:2px solid var(--cocoa);border-radius:18px;box-shadow:4px 4px 0 var(--cocoa)}.settings-tabs .sidebar-label{padding:4px 10px 12px}.settings-tabs [role=tablist]{display:grid;gap:4px}.settings-tabs button{width:100%;min-height:42px;padding:10px 12px;border:0;border-radius:10px;color:var(--muted);background:transparent;font:inherit;font-size:13px;font-weight:800;text-align:left;cursor:pointer}.settings-tabs button:hover,.settings-tabs button.selected{color:var(--cocoa);background:var(--yellow-soft)}.settings-tabs button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill)}.settings-panel{min-width:0;padding:34px;background:var(--paper);border:2px solid var(--cocoa);border-radius:26px;box-shadow:7px 7px 0 var(--cocoa)}.settings-panel-heading{margin-bottom:28px}.settings-panel-heading h2{margin-bottom:9px;font-size:34px}.settings-panel-heading>p:last-child{margin-bottom:0;color:var(--muted);line-height:1.6}.settings-debug-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 16px;color:var(--muted);font-size:13px;font-weight:700}.settings-debug-list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.settings-debug-entry{min-width:0;padding:16px;background:var(--yellow-soft);border:1px solid var(--line);border-radius:14px}.settings-debug-entry-heading{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 16px;margin-bottom:8px;color:var(--muted);font-size:12px;font-weight:800}.settings-debug-entry p{margin:0 0 8px;overflow-wrap:anywhere;color:var(--ink);line-height:1.5}.settings-debug-entry code{color:var(--muted);font-size:11px;overflow-wrap:anywhere}.settings-debug-empty{margin:0;padding:18px;color:var(--muted);background:var(--yellow-soft);border:1px dashed var(--line);border-radius:14px}.settings-profile{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:32px;padding:18px;background:var(--yellow-soft);border:1px solid var(--line);border-radius:16px}.settings-profile strong{display:block;overflow:hidden;color:var(--cocoa);font-size:15px;text-overflow:ellipsis;white-space:nowrap}.settings-section{padding-top:28px;border-top:1px solid var(--line)}.settings-section-heading{margin-bottom:22px}.settings-section-heading h3{margin-bottom:8px;font-size:23px}.settings-section-heading>p:last-child{margin-bottom:0;color:var(--muted);font-size:13px;line-height:1.55}.settings-actions{display:flex;justify-content:flex-end;margin-top:26px}.settings-language-select,.settings-color-mode-select{width:min(100%,260px);min-height:var(--control-height);padding:0 12px;color:var(--ink)}.settings-general-form{display:grid;gap:20px}.settings-general-form .field-help{max-width:360px;color:var(--muted);font-size:12px;line-height:1.45}html[data-theme=simple] .account-dropdown{border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}html[data-theme=simple] .account-dropdown button:hover,html[data-theme=simple] .account-dropdown button:focus-visible{background:var(--mint)}html[data-theme=simple] .settings-tabs{border:1px solid var(--line);border-radius:18px;box-shadow:none}html[data-theme=simple] .settings-tabs button:hover,html[data-theme=simple] .settings-tabs button.selected{color:var(--ink);background:var(--mint)}html[data-theme=simple] .settings-tabs button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill)}html[data-theme=simple] .settings-panel{border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}html[data-theme=simple] .settings-profile{background:var(--canvas)}@media(max-width:720px){.account-options-button .account-identity{display:block!important}.account-options-button .account-identity strong,.account-options-button .account-identity>span{display:block!important}.account-options-button:after{content:none!important}.account-dropdown{right:-4px}.settings-page-heading{align-items:flex-start}.settings-page-heading>.secondary-button{align-self:flex-start}.settings-layout{grid-template-columns:1fr;gap:16px}.settings-tabs{position:static;padding:9px}.settings-tabs .sidebar-label{display:none}.settings-tabs:not(.platform-tabs) [role=tablist]{grid-template-columns:repeat(3,minmax(0,1fr))}.settings-tabs button{text-align:center}.settings-panel{padding:24px 20px}.settings-profile{grid-template-columns:1fr}}.resource-icon{display:block;flex:0 0 auto}.resource-icon-class{color:var(--blue, var(--green))}.resource-icon-folder{color:var(--green)}.resource-icon-flashcardSet{color:var(--coral)}.resource-icon-student{color:var(--blue, var(--green))}.resource-heading,.resource-page-title,.sidebar-resource-label{display:flex;align-items:center}.resource-heading,.resource-page-title{gap:10px}.resource-page-title h1{margin:0}.material-list{display:grid;gap:9px}.material-item{display:flex;align-items:center;gap:9px}.material-item>span{min-width:0}.sidebar-resource-label{min-width:0;gap:8px}.sidebar-resource-label>span{min-width:0}.library-tabs button{display:flex;align-items:center;gap:9px}@media(max-width:720px){.library-tabs button{justify-content:center}}.library-workspace{display:grid;grid-template-columns:190px minmax(0,1fr);gap:28px;align-items:start}.library-tabs{position:sticky;top:102px;padding:14px 10px;border:1px solid var(--line);border-radius:18px;background:var(--paper)}.library-tabs .sidebar-label{padding:4px 10px 12px}.library-tabs [role=tablist]{display:grid;gap:4px}.library-tabs button{width:100%;padding:11px 12px;border:0;border-radius:10px;color:var(--muted);background:transparent;font:inherit;font-size:13px;font-weight:750;text-align:left;cursor:pointer}.library-tabs button:hover,.library-tabs button.selected{color:var(--ink);background:var(--mint)}.library-tabs button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill)}.library-panel{min-width:0}.library-panel-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px}.library-panel-actions{display:flex;justify-content:flex-end;margin-bottom:28px}.library-panel-heading h1{margin-bottom:8px;font-size:clamp(32px,4vw,48px)}.library-panel-heading>div>p:last-child{margin:0;color:var(--muted)}.resource-assignment-summary{min-height:38px;margin:0 0 17px;color:var(--muted);font-size:12px;line-height:1.55}.resource-assignment-summary strong{color:var(--ink)}html[data-theme=simple] .library-tabs{background:var(--paper);border-color:var(--line)}html[data-theme=simple] .library-tabs button:hover,html[data-theme=simple] .library-tabs button.selected{color:var(--ink);background:var(--mint)}html[data-theme=simple] .library-tabs button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill)}.class-summary-card{position:relative;background:var(--paper);cursor:pointer;transition:transform .16s ease,box-shadow .16s ease}.editor-header .field-group.grow input{padding:12px 13px}html[data-theme=simple] .class-summary-card{background:var(--paper)}.class-summary-card:hover,.class-summary-card:focus-visible{transform:translateY(-2px);box-shadow:var(--shadow)}.class-summary-card.menu-open{z-index:20}.class-summary-card.menu-open .class-menu-wrap{z-index:21}.class-summary-heading{display:flex;align-items:center;justify-content:space-between;gap:14px}.class-summary-heading h3{margin:0;font-size:var(--resource-list-label-size);line-height:1.35}.flashcard-set-item-copy strong{font-size:var(--resource-list-label-size);line-height:1.35}.class-summary-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px;color:var(--muted);font-size:12px;font-weight:750}.class-summary-meta span{display:inline-flex;align-items:center;gap:7px}.class-menu-wrap{position:relative;flex:0 0 auto}.class-menu-button{display:grid;place-items:center;width:32px;height:32px;padding:0;border:0;border-radius:50%;color:var(--muted);background:transparent;font-size:25px;line-height:1;cursor:pointer}.class-menu-button:hover,.class-menu-button[aria-expanded=true]{color:var(--ink);background:var(--mint)}.class-menu{position:absolute;z-index:5;top:calc(100% + 6px);right:0;min-width:112px;padding:5px;border:1px solid var(--line);border-radius:11px;background:var(--paper);box-shadow:var(--shadow)}.class-menu button{width:100%;padding:8px 10px;border:0;border-radius:7px;color:#a64e3d;background:transparent;font-size:12px;font-weight:750;text-align:left;cursor:pointer}.class-menu button:hover{background:#fff0eb}.class-menu-error{display:block;padding:5px 10px 6px;color:#a64e3d;font-size:10px;line-height:1.35}.class-menu .feedback-slot.class-menu-error{position:absolute;z-index:1;top:calc(100% + 4px);right:0;width:min(260px,calc(100vw - 32px));block-size:auto;max-block-size:56px;margin:0;padding:8px 10px;overflow:auto;border:1px solid currentColor;border-radius:10px;background:var(--paper);box-shadow:var(--shadow)}.class-dialog{width:min(580px,100%);max-height:calc(100vh - 40px);overflow:auto}.class-dialog .dialog-field{display:grid;gap:7px;color:var(--ink);font-size:12px;font-weight:800}.class-dialog .dialog-field input{width:100%;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:11px;color:var(--ink);background:#fffefa}.class-dialog .lesson-assignment{max-height:245px;overflow:auto}.assignment-box{margin-top:18px;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--canvas)}.assignment-box-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.assignment-box-heading h3{margin:0;color:var(--muted);font-size:11px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.add-assignment-button{display:grid;place-items:center;width:26px;height:26px;padding:0 0 2px;border:1px solid var(--line);border-radius:50%;color:var(--ink);background:var(--paper);font-size:20px;line-height:1;cursor:pointer}.add-assignment-button:hover,.add-assignment-button[aria-expanded=true]{color:var(--green-dark, var(--ink));background:var(--mint)}.assigned-item-list,.add-assignment-list{display:grid;gap:6px;margin-top:11px}.assigned-item{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:36px;padding:6px 7px 6px 9px;border-radius:9px;background:var(--paper)}.assigned-item-content{display:flex;align-items:center;min-width:0;gap:8px}.assigned-item-content>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.assigned-item-content small,.add-assignment-option small{display:block;margin-top:2px;overflow:hidden;color:var(--muted);font-size:10px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.assigned-item-remove{display:grid;place-items:center;flex:0 0 auto;width:25px;height:25px;padding:0 0 2px;border:0;border-radius:50%;color:var(--muted);background:transparent;font-size:18px;line-height:1;cursor:pointer}.assigned-item-remove:hover{color:#a64e3d;background:#fff0eb}.add-assignment-panel{margin-top:11px;padding-top:11px;border-top:1px dashed var(--line)}.add-assignment-panel>input{width:100%;min-height:38px;padding:0 10px;border:1px solid var(--line);border-radius:9px;color:var(--ink);background:var(--paper);font-size:12px}.add-assignment-list{max-height:190px;overflow:auto}.add-assignment-option{display:flex;align-items:center;gap:8px;width:100%;min-height:36px;padding:6px 8px;border:0;border-radius:8px;color:var(--ink);background:transparent;font-size:12px;font-weight:700;text-align:left;cursor:pointer}.add-assignment-option span{min-width:0;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.add-assignment-option>strong{flex:0 0 auto;color:var(--green);font-size:17px}.add-assignment-option:hover{background:var(--mint)}@media(max-width:720px){.class-summary-meta{gap:10px 16px}.class-dialog{padding:22px}}@media(max-width:720px){.library-workspace{grid-template-columns:1fr;gap:22px}.library-tabs{position:static;padding:10px}.library-tabs .sidebar-label{display:none}.library-tabs [role=tablist]{grid-template-columns:repeat(3,minmax(0,1fr))}.library-tabs button{padding:10px 8px;text-align:center}.library-panel-heading{align-items:flex-start;flex-direction:column;gap:16px}}.resource-list-toolbar{display:grid;grid-template-columns:minmax(180px,1fr) 180px max-content max-content;gap:10px;align-items:stretch;margin-bottom:18px}.resource-list-toolbar>.resource-filter,.resource-list-toolbar>.resource-sort{display:flex;height:43px}.resource-filter input,.resource-sort select,.studio-sidebar-toolbar input,.studio-sidebar-toolbar select{width:100%;min-height:38px;padding:0 11px;border:1px solid var(--line);border-radius:10px;color:var(--ink);background:var(--paper);font-size:12px}.resource-list-toolbar>.resource-filter input,.resource-list-toolbar>.resource-sort select,.resource-list-toolbar>.primary-button{height:43px;min-height:0;box-sizing:border-box}.resource-list-toolbar .primary-button{white-space:nowrap}.class-view-toggle{display:flex;align-items:center;height:43px;min-width:0;padding:3px;margin:0;border:1px solid var(--line);border-radius:10px;background:var(--paper)}.class-view-option{position:relative;display:grid;place-items:center;width:36px;height:35px;margin:0;border-radius:7px;color:var(--muted);cursor:pointer}.class-view-option.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill)}.class-view-option input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.class-view-option svg{width:18px;height:18px;fill:currentColor}.class-view-option:has(input:focus-visible){outline:2px solid rgba(23,157,207,.38);outline-offset:2px}.class-list-view{grid-template-columns:1fr}.class-card-view{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.class-card-view .class-summary-card{display:flex;flex-direction:column}.class-card-view .class-summary-meta{margin-top:auto}.class-list-view .class-summary-card{display:grid;grid-template-columns:minmax(0,1fr) 132px 132px 32px;grid-template-rows:minmax(32px,auto);align-items:center;gap:18px;padding:14px 16px}.class-list-view .class-summary-card:nth-child(2n){background:var(--paper)}.class-list-view .class-summary-heading{display:contents}.class-list-view .class-summary-heading .resource-heading{min-width:0;grid-column:1;grid-row:1}.class-list-view .class-summary-heading h3{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.class-list-view .class-summary-meta{display:contents}.class-list-view .class-summary-meta span{display:inline-flex;align-items:center;justify-self:stretch;width:100%;min-width:0;height:32px;margin:0;white-space:nowrap}.class-list-view .class-summary-heading .resource-heading{height:auto;min-height:32px}.class-list-view .class-menu-wrap{height:32px;min-height:32px}.class-list-view .class-summary-meta span,.class-list-view .class-menu-wrap{align-self:center}.class-list-view .class-menu-wrap{display:flex;align-items:center}.class-list-view .class-summary-meta span:first-child{grid-column:2;grid-row:1}.class-list-view .class-summary-meta span:last-child{grid-column:3;grid-row:1}.class-list-view .class-menu-wrap{grid-column:4;grid-row:1}@media(max-width:720px){.class-list-view .class-summary-card{grid-template-columns:minmax(0,1fr) 32px;gap:8px 18px}.class-list-view .class-summary-heading .resource-heading{height:auto}.class-list-view .class-menu-wrap{grid-column:2}.class-list-view .class-summary-meta{display:flex;grid-column:1 / -1;grid-row:2;flex-wrap:wrap;gap:8px 14px;margin-top:0}.class-list-view .class-summary-meta span{width:auto;height:auto}}.flashcard-set-list{display:grid;gap:8px;min-width:0}.flashcard-set-item{position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;min-width:0;margin:0;padding:10px;border:1px solid transparent;border-radius:11px;color:var(--ink);background:transparent;text-align:left;cursor:pointer}.flashcard-set-item:hover,.flashcard-set-item.selected{border-color:var(--line);background:var(--paper);box-shadow:0 2px 8px #1e362e0f}.flashcard-set-item-main{display:flex;align-items:center;min-width:0;gap:8px}.flashcard-set-item-copy{display:block;min-width:0}.flashcard-set-item-copy strong,.flashcard-set-item-copy small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.flashcard-set-item-copy strong{max-width:170px}.flashcard-set-item-copy small{margin-top:3px;color:var(--muted)}.flashcard-set-list.cards .flashcard-set-item{align-items:flex-start;flex-direction:column;min-height:112px;padding:14px}.flashcard-set-list.cards .flashcard-set-item-main{align-items:flex-start;flex-direction:column;gap:12px;width:100%}.flashcard-set-list.cards .flashcard-set-item-copy{width:100%}.flashcard-set-list.cards .flashcard-set-item-copy strong{max-width:none}.flashcard-set-list.list .flashcard-set-item-main{flex:1 1 auto}.flashcard-set-list.list .flashcard-set-item-copy{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto;align-items:baseline;flex:1 1 auto;gap:2px 10px}.flashcard-set-list.list .flashcard-set-item-copy strong{grid-column:1;grid-row:1;min-width:0}.flashcard-set-list.list .flashcard-set-item-copy :is(.resource-metadata,.resource-owner){grid-column:1;grid-row:2;margin-top:0}.flashcard-set-list.list .flashcard-set-item-copy .resource-meta{grid-column:2;grid-row:1 / span 2;align-self:center}.flashcard-set-list.list .flashcard-set-item-copy small{margin-top:0}@media(max-width:720px){.flashcard-set-list.list .flashcard-set-item-copy{grid-template-columns:minmax(0,1fr);row-gap:4px}.flashcard-set-list.list .flashcard-set-item-copy .resource-meta{grid-column:1;grid-row:3;align-self:baseline}}.flashcard-set-list.cards .flashcard-set-status-icon{position:absolute;top:16px;right:16px}@media(max-width:720px){.flashcard-set-sidebar{display:block;overflow-x:auto}.flashcard-set-sidebar .flashcard-set-list{display:flex;gap:8px;overflow-x:auto}.flashcard-set-sidebar .flashcard-set-item{flex:0 0 190px}}.studio-sidebar-toolbar{display:grid;grid-template-columns:minmax(0,1fr) 108px;gap:6px;padding:0 10px 10px}.sidebar-empty{padding:10px;color:var(--muted);font-size:12px}.create-class-dialog{width:min(380px,100%)}.add-to-class-dialog{width:min(580px,100%)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:720px){.resource-list-toolbar{grid-template-columns:1fr}.resource-list-toolbar .primary-button{width:100%}.studio-sidebar-toolbar{grid-template-columns:1fr}}.flashcard-set-browser{min-width:0}.flashcard-set-browser:not(.compact) .flashcard-set-list{gap:12px}.flashcard-set-browser:not(.compact) .flashcard-set-list.cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.flashcard-set-browser:not(.compact) .flashcard-set-item-copy strong{max-width:none}.flashcard-set-browser:not(.compact) .flashcard-set-list.cards .flashcard-set-item{border-color:var(--line);background:var(--paper)}.flashcard-set-browser:not(.compact) .flashcard-set-item{border:2px solid var(--cocoa);border-radius:24px;background:var(--paper);box-shadow:6px 6px 0 var(--cocoa)}.flashcard-set-browser:not(.compact) .flashcard-set-item:nth-child(2n){background:#f5fbfd}.flashcard-set-browser:not(.compact) .flashcard-set-item:hover,.flashcard-set-browser:not(.compact) .flashcard-set-item:focus-visible,.flashcard-set-browser:not(.compact) .flashcard-set-item.selected{border-color:var(--cocoa);background:var(--paper);box-shadow:var(--shadow);transform:translateY(-2px)}html[data-theme=simple] .flashcard-set-browser:not(.compact) .flashcard-set-item{border:1px solid var(--line);border-radius:15px;background:var(--canvas);box-shadow:none}html[data-theme=simple] .flashcard-set-browser:not(.compact) .flashcard-set-item:hover,html[data-theme=simple] .flashcard-set-browser:not(.compact) .flashcard-set-item:focus-visible,html[data-theme=simple] .flashcard-set-browser:not(.compact) .flashcard-set-item.selected{background:var(--paper);box-shadow:var(--shadow)}.flashcard-set-browser:not(.compact) .flashcard-set-list.list .flashcard-set-item{min-height:82px;height:auto;padding:14px 16px;background:var(--paper)}.flashcard-set-browser:not(.compact) .flashcard-set-list.list .flashcard-set-item:nth-child(2n){background:var(--paper)}html[data-theme=simple] .flashcard-set-browser:not(.compact) .flashcard-set-list.list .flashcard-set-item{min-height:80px;height:auto}.flashcard-set-edit-toolbar{position:relative;display:flex;align-items:center;margin-bottom:18px}.flashcard-set-create-label{color:var(--muted);font-size:14px;font-weight:800}.transient-feedback{position:fixed;top:50%;left:50%;z-index:200;width:max-content;max-width:min(420px,calc(100vw - 32px));margin:0;padding:8px 14px;border:1px solid var(--line);border-radius:16px;color:var(--ink);background:var(--paper);box-shadow:var(--shadow);font-size:13px;font-weight:750;line-height:1.45;text-align:center;overflow-wrap:anywhere;pointer-events:none;opacity:0;transform:translate(-50%,calc(-50% + 4px));transition:opacity .18s ease,transform .18s ease}.transient-feedback.is-visible{opacity:1;transform:translate(-50%,-50%)}.settings-feedback-anchor{position:relative}.transient-feedback--local{position:absolute;top:auto;bottom:calc(100% + 8px);right:0;left:auto;transform:translateY(-4px)}.transient-feedback--local.is-visible{transform:translateY(0)}.card-image-generation-feedback{top:auto;bottom:12px;right:12px;max-width:calc(100% - 24px)}@media(max-width:720px){.settings-transient-feedback--avatar{left:0;right:auto;max-width:min(280px,calc(100vw - 80px))}}@media(prefers-reduced-motion:reduce){.transient-feedback{transition:none}}.flashcard-set-editor-page{min-width:0;border:1px solid var(--line);border-radius:18px;background:var(--paper);box-shadow:var(--shadow)}@media(max-width:720px){.flashcard-set-editor-page{padding:20px}}.student-classroom{display:grid;grid-template-columns:190px minmax(0,1fr);gap:28px;align-items:start}.student-classroom-panel{display:grid;gap:34px;min-width:0}.student-section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.student-section-heading h2{margin:0;font-size:clamp(24px,3vw,34px)}.student-class-list,.student-material-grid,.student-classmate-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.student-class-card,.student-material-card,.student-classmate-card{min-width:0;padding:20px;background:var(--paper);border:2px solid var(--cocoa);border-radius:20px;box-shadow:4px 4px 0 var(--cocoa)}.student-class-card:nth-child(2n),.student-material-card:nth-child(3n+2),.student-classmate-card:nth-child(2n){background:#f5fbfd}.student-class-card h3,.student-material-card h3,.student-classmate-card h3{margin:0;font-size:20px}.student-class-card>p,.student-material-description,.student-classmate-card p{margin:12px 0 0;color:var(--muted);font-size:13px;line-height:1.55}.student-class-meta{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:17px;color:var(--muted);font-size:11px;font-weight:800}.student-class-meta span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-material-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.student-material-heading .resource-heading{min-width:0}.student-material-heading .resource-heading>div{min-width:0}.student-material-kind{display:block;margin:0 0 4px;color:var(--muted);font-size:10px;font-weight:900;letter-spacing:.1em}.student-material-kind-label,.student-material-card-count{font:inherit;letter-spacing:inherit}.student-material-kind-separator{display:inline-block;white-space:nowrap}.student-material-heading h3{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-material-heading .primary-button{flex:0 0 auto}.student-material-card.is-clickable{cursor:pointer}.student-material-progress{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;margin-top:18px;color:var(--muted);font-size:11px;font-weight:800}.student-folder-sets{display:grid;gap:8px;margin-top:18px;padding-top:14px;border-top:1px dashed var(--line)}.student-folder-set{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 0}.student-folder-set>div{min-width:0}.student-folder-set strong,.student-folder-set small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-folder-set strong{font-size:13px}.student-folder-set small{margin-top:3px;color:var(--muted);font-size:11px}.student-classmate-card{display:flex;align-items:flex-start;gap:13px}.student-classmate-card>div{min-width:0}.student-classmate-card h3{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(max-width:720px){.student-classroom{grid-template-columns:1fr;gap:22px}.student-classroom .library-tabs{position:static;padding:10px}.student-classroom .library-tabs .sidebar-label{display:none}.student-classroom .library-tabs [role=tablist]{grid-template-columns:repeat(2,minmax(0,1fr))}.student-classroom .library-tabs button{justify-content:center;text-align:center}.student-class-list,.student-material-grid,.student-classmate-grid{grid-template-columns:1fr}.student-material-heading{flex-direction:column}.student-material-heading .primary-button{align-self:flex-start}}.student-classroom{grid-template-columns:230px minmax(0,1fr)}.student-class-list-pane{position:sticky;top:102px;min-height:260px;padding:14px 10px;border:1px solid var(--line);border-radius:18px;background:var(--paper)}.study-class-list-pane{display:none}.student-class-list-pane>[role=listbox]{display:grid;gap:4px}.student-class-empty{margin:20px 10px 4px;color:var(--muted);font-size:13px;text-align:center}.student-class-list-pane button{display:flex;align-items:center;gap:9px;width:100%;min-height:42px;padding:10px 12px;border:0;border-radius:10px;color:var(--muted);background:transparent;font:inherit;font-size:13px;font-weight:750;text-align:left;cursor:pointer}.student-class-list-pane button span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-class-list-pane button:hover,.student-class-list-pane button.selected{color:var(--ink);background:var(--mint)}.student-classroom-panel{min-height:260px}.student-classroom-empty{display:grid;place-items:center;min-height:260px;margin:0;padding:32px;text-align:center}.student-classroom-empty h2{margin:0 0 8px;font-size:clamp(22px,3vw,30px)}.student-classroom-empty p{max-width:34rem;margin:0;color:var(--muted);line-height:1.55}.student-content-tabs{border-bottom:1px solid var(--line)}.student-content-tabs [role=tablist]{display:flex;justify-content:center;gap:6px}.student-content-tabs button{min-width:120px;padding:11px 16px;border:0;border-bottom:3px solid transparent;color:var(--muted);background:transparent;font:inherit;font-size:13px;font-weight:800;text-align:center;cursor:pointer}.student-content-tabs button:hover,.student-content-tabs button.selected{color:var(--ink);border-bottom-color:var(--green)}.student-tab-content{min-height:220px}.student-empty-tab{display:grid;place-items:center;min-height:220px;margin:0;color:var(--muted);text-align:center}@media(max-width:720px){.student-classroom{grid-template-columns:1fr}.student-class-list-pane{position:static;min-height:0;padding:10px}.student-class-list-pane>[role=listbox]{display:flex;gap:8px;overflow-x:auto}.student-class-list-pane button{flex:0 0 190px}.student-content-tabs{overflow-x:auto}.student-content-tabs [role=tablist]{width:max-content}}.student-material-list{display:grid;grid-template-columns:1fr;gap:10px}.student-material-list .student-material-card{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px 20px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;box-shadow:none}.student-material-list .student-material-card:nth-child(odd),.student-material-list .student-material-card:nth-child(2n){background:var(--paper)}.student-material-list .student-material-heading{grid-column:1 / -1;align-items:center}.student-material-list .student-material-description{grid-column:1 / -1;margin:0}.student-material-list .student-material-progress{grid-column:1 / -1;margin-top:0}@media(max-width:720px){.student-material-list .student-material-card{grid-template-columns:1fr}.student-material-list .student-material-heading{flex-direction:row;flex-wrap:wrap}.student-material-list .student-material-description,.student-material-list .student-material-progress{grid-column:1;grid-row:auto}}:root,html[data-theme=effective-learning]{--control-height: 43px;--control-height-small: 36px;--radius-control: 12px;--radius-card: 20px;--radius-panel: 24px;--radius-dialog: 20px;--focus-ring: rgba(23, 157, 207, .38);--surface-inset: #fff5dd;--surface-alt: #f5fbfd;--border-strong: var(--cocoa);--shadow-panel: 6px 6px 0 var(--cocoa);--shadow-card: 4px 4px 0 var(--cocoa)}html[data-theme=simple]{--blue: var(--green);--blue-soft: #edf7f2;--yellow: #f6ead1;--yellow-soft: #f3f6f4;--cocoa: var(--ink);--sage: #4f9878;--control-height: 43px;--control-height-small: 36px;--radius-control: 11px;--radius-card: 16px;--radius-panel: 20px;--radius-dialog: 18px;--focus-ring: rgba(29, 109, 91, .24);--surface-inset: #f1f1eb;--surface-alt: #f7f9f7;--border-strong: var(--line);--shadow-panel: var(--shadow);--shadow-card: none}html[data-theme=effective-learning] .website-style-select-trigger{color:var(--cocoa);background:var(--paper);border-color:var(--line);border-radius:13px}html[data-theme=effective-learning] .website-style-select-menu{color:var(--cocoa);background:var(--paper);border-color:var(--cocoa);border-radius:15px;box-shadow:5px 5px 0 var(--cocoa)}html[data-theme=effective-learning] .website-style-select-option{color:var(--cocoa);border-radius:9px}html[data-theme=effective-learning] .website-style-select-option:hover,html[data-theme=effective-learning] .website-style-select-option:focus-visible,html[data-theme=effective-learning] .website-style-select-option[aria-selected=true]{background:var(--yellow-soft)}html[data-theme=simple] .website-style-select-trigger{color:var(--ink);background:#fff;border:1px solid #d8dad4;border-radius:11px;box-shadow:none}html[data-theme=simple] .website-style-select-menu{color:var(--ink);background:#fff;border:1px solid #d8dad4;border-radius:11px;box-shadow:var(--shadow)}html[data-theme=simple] .website-style-select-option{color:var(--ink);border-radius:8px}html[data-theme=simple] .website-style-select-option:hover,html[data-theme=simple] .website-style-select-option:focus-visible,html[data-theme=simple] .website-style-select-option[aria-selected=true]{background:var(--mint)}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[role=button]:focus-visible,[role=tab]:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}.primary-button,.secondary-button,.danger-button{min-height:var(--control-height)}.primary-button.small,.secondary-button.small,.compact-button{min-height:var(--control-height-small)}@media(min-width:721px){.library-workspace,.quizlet-import-workspace,.settings-layout,.student-classroom{grid-template-columns:210px minmax(0,1fr)}}html[data-theme=effective-learning] .studio,html[data-theme=effective-learning] .settings-panel,html[data-theme=effective-learning] .platform-section,html[data-theme=effective-learning] .options-dialog,html[data-theme=effective-learning] .flashcard-set-editor-page{border:2px solid var(--border-strong);border-radius:var(--radius-panel);box-shadow:var(--shadow-panel)}html[data-theme=effective-learning] .library-tabs,html[data-theme=effective-learning] .quizlet-import-tabs,html[data-theme=effective-learning] .settings-tabs,html[data-theme=effective-learning] .student-class-list-pane{border:2px solid var(--border-strong);border-radius:18px;box-shadow:4px 4px 0 var(--cocoa)}html[data-theme=effective-learning] .lesson-card,html[data-theme=effective-learning] .platform-card,html[data-theme=effective-learning] .student-class-card,html[data-theme=effective-learning] .student-material-card,html[data-theme=effective-learning] .student-classmate-card{border:2px solid var(--border-strong);border-radius:var(--radius-card);box-shadow:var(--shadow-card)}html[data-theme=effective-learning] .student-material-list .student-material-card{border-color:var(--line);border-radius:16px;box-shadow:0 3px #34221b14}html[data-theme=effective-learning] .card-editor-row{border:2px solid var(--line);border-radius:16px;box-shadow:0 4px #34221b14}html[data-theme=effective-learning] .flashcard-preview-options-panel{border-color:var(--line);border-radius:14px;box-shadow:var(--shadow)}html[data-theme=simple] .studio,html[data-theme=simple] .settings-panel,html[data-theme=simple] .platform-section,html[data-theme=simple] .options-dialog,html[data-theme=simple] .flashcard-set-editor-page{border:1px solid var(--line);border-radius:var(--radius-panel);box-shadow:var(--shadow-panel)}html[data-theme=simple] .library-tabs,html[data-theme=simple] .quizlet-import-tabs,html[data-theme=simple] .settings-tabs,html[data-theme=simple] .student-class-list-pane{border:1px solid var(--line);border-radius:18px;box-shadow:none}html[data-theme=simple] .lesson-card,html[data-theme=simple] .platform-card,html[data-theme=simple] .student-class-card,html[data-theme=simple] .student-material-card,html[data-theme=simple] .student-classmate-card{border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:none;background:var(--paper)}html[data-theme=simple] .student-material-list .student-material-card{border-radius:12px}html[data-theme=simple] .card-editor-row{border:1px solid var(--line);border-radius:14px;box-shadow:none}html[data-theme=effective-learning] .card-editor-row.new-card-form{background:#fffefa}html[data-theme=simple] .card-editor-row.new-card-form{background:#fff}html[data-theme=simple] .flashcard-preview-toggle{color:var(--green-dark);background:var(--paper);border-color:var(--line)}html[data-theme=simple] .flashcard-preview-toggle:hover{background:var(--mint)}html[data-theme=simple] .flashcard-preview-toggle.active{color:#fff;background:var(--green);border-color:var(--green)}html[data-theme=simple] .flashcard-preview-toggle.active:hover{background:var(--green-dark)}html[data-theme=simple] .flashcard-preview-options-panel{border-color:var(--line);border-radius:14px;box-shadow:var(--shadow)}html[data-theme=simple] .flashcard-preview-options-panel>strong{color:var(--green-dark)}html[data-theme=simple] .flashcard-preview-option-field select,html[data-theme=simple] .flashcard-preview-option-field input{border-color:#d8dad4;background:#fff}@media(max-width:720px){.flashcard-preview-controls{align-self:flex-end;gap:6px}.flashcard-preview-options-panel{width:min(280px,calc(100vw - 40px));max-height:calc(100vh - 110px);overflow-y:auto}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.study{--teacher-editor-border-total: 0px;--teacher-editor-content-width: calc( min( calc(100vw - 48px) , 1180px) - 298px - var(--teacher-editor-border-total) );width:100%}html[data-theme=simple] .study{--teacher-editor-border-total: 0px}.study>.flashcard,.study>.study-card-navigation,.study>.answer-actions{width:min(100%,680px,var(--teacher-editor-content-width));margin-inline:auto}.study .flashcard-face{padding:48px}.study .flashcard strong{font-size:clamp(34px,5vw,56px)}.study .flashcard-back strong{font-size:clamp(26px,4vw,42px)}html[data-theme=simple] .study .flashcard strong{font-size:clamp(36px,7vw,60px)}html[data-theme=simple] .study .flashcard-back strong{font-size:clamp(28px,5vw,45px)}.study-card-list-section{width:min(100%,var(--teacher-editor-content-width));margin-inline:auto}.study-card-row{grid-template-columns:24px 38px minmax(0,.9fr) minmax(0,1.4fr) 168px 112px 32px}.study-card-row>.card-index{grid-column:2}.study-card-row>.card-front-cell{grid-column:3}.study-card-row>.card-back-cell{grid-column:4}.study-card-row>.card-thumbnail-cell{grid-column:5}.study-card-row>.card-audio-controls{grid-column:6}@media(max-width:720px){.study{--teacher-editor-content-width: calc( 100% - 40px - var(--teacher-editor-border-total) )}.study-card-row{grid-template-columns:24px 34px minmax(0,1fr)}.study-card-row>.card-index,.study-card-row>.card-front-cell,.study-card-row>.card-back-cell,.study-card-row>.card-thumbnail-cell,.study-card-row>.card-audio-controls{grid-column:3}.study-card-row .card-thumbnail-cell{width:160px}.study-card-row .card-audio-controls{justify-content:center}}:where(.app-shell,.topbar,.topbar>*,.topnav,.account,.account-menu,.account-options-button,.account-identity,.page,.page>*,.page-heading>*,.library-workspace,.library-panel,.quizlet-import-page,.quizlet-import-workspace,.quizlet-import-panel,.quizlet-import-tab-panel,.settings-layout,.settings-panel,.platform-section,.platform-card,.student-classroom,.student-classroom-panel,.student-material-heading,.student-material-heading .resource-heading,.resource-heading>div,.section-heading>*,.studio,.flashcard-set-editor-page){min-width:0;max-width:100%}:where(button,input,textarea,select){max-width:100%}.student-class-list-pane,.student-class-list-pane>[role=listbox],.library-tabs,.library-tabs>[role=tablist],.quizlet-import-tabs,.quizlet-import-tabs>[role=tablist],.settings-tabs,.settings-tabs>[role=tablist]{min-width:0;max-width:100%}.student-class-list-pane>[role=listbox]{grid-template-columns:minmax(0,1fr);width:100%}.student-class-list-pane button,.library-tabs button,.quizlet-import-tabs button,.settings-tabs button{min-width:0;max-width:100%}.student-class-list-pane button span,.sidebar-resource-label>span,.account-identity,.account-identity strong,.account-identity>span{min-width:0}.student-class-list-pane button span{flex:1 1 auto}.sidebar-resource-label{width:100%;overflow:hidden}.sidebar-resource-label>span{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-identity strong,.account-identity>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.page-heading h1,.library-panel-heading h1,.settings-panel-heading h2,.section-heading h2{max-width:100%;overflow-wrap:anywhere}.style-settings-heading,.library-panel-heading,.student-material-heading,.section-heading{flex-wrap:wrap}@media(max-width:720px){.topbar{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.wordmark{min-width:0;max-width:100%;overflow:hidden}.wordmark>span:last-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account{width:100%;min-width:0;overflow:hidden}.account-menu,.account-options-button{width:100%;min-width:0}.account-options-button{justify-content:flex-end;overflow:hidden}.account-identity{max-width:calc(100% - 32px)}.student-class-list-pane button{flex-basis:min(190px,calc(100vw - 48px))}}html[data-theme=modern]{--modern-accent: #e76549;--modern-button-fill: #e1e4ed;--modern-button-fill-hover: #d6dce8;--modern-button-ink: #56627f;--modern-button-border: #cdd4e1;--modern-font-sans: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;--modern-font-serif: Georgia, "Songti SC", "STSong", serif;--modern-button-radius: 6px;--modern-button-shadow: inset 0 1px 0 rgba(255, 255, 255, .72), 0 4px 12px rgba(86, 98, 127, .12);--modern-control-shadow: inset 0 1px 0 rgba(255, 255, 255, .82), 0 2px 7px rgba(36, 39, 43, .045);--modern-surface-shadow: inset 0 1px 0 rgba(255, 255, 255, .7), 0 12px 34px rgba(36, 39, 43, .06);--ink: #17181a;--muted: #76797d;--paper: rgba(255, 255, 255, .88);--canvas: #f3f2ee;--green: var(--modern-accent);--green-dark: #c9523b;--mint: #f7e9e4;--line: rgba(28, 30, 33, .14);--coral: var(--modern-accent);--blue: #5b72e8;--blue-soft: #eef0ff;--yellow: var(--modern-accent);--yellow-soft: #f8eee9;--cocoa: var(--ink);--sage: #647f72;--shadow: 0 10px 30px rgba(36, 39, 43, .055);--control-height: 43px;--control-height-small: 36px;--radius-control: 9px;--radius-card: 11px;--radius-panel: 11px;--radius-dialog: 11px;--focus-ring: rgba(231, 101, 73, .28);--surface-inset: #f6f5f2;--surface-alt: #f7f6f3;--border-strong: var(--line);--shadow-panel: var(--shadow);--shadow-card: var(--shadow);color:var(--ink);background:var(--canvas)}html[data-theme=modern] body{color:var(--ink);background-color:var(--canvas);background-image:radial-gradient(rgba(35,37,40,.12) .65px,transparent .65px);background-size:32px 32px;font-family:var(--modern-font-sans);font-size:14px;letter-spacing:-.005em}html[data-theme=modern] :where(button,input,textarea,select){font-family:var(--modern-font-sans)}html[data-theme=modern] ::selection{color:var(--ink);background:#e765493d}html[data-theme=modern] h1,html[data-theme=modern] h2{color:var(--ink);font-family:var(--modern-font-serif);font-weight:400;letter-spacing:.015em}html[data-theme=modern] h3{color:var(--ink);font-family:var(--modern-font-sans);font-weight:700;letter-spacing:-.015em}html[data-theme=modern] .app-shell:before,html[data-theme=modern] .app-shell:after,html[data-theme=modern] .auth-story:before,html[data-theme=modern] .auth-story:after,html[data-theme=modern] .auth-panel:before,html[data-theme=modern] .page-heading:before,html[data-theme=modern] .page-heading:after{display:none}html[data-theme=modern] .eyebrow{color:var(--modern-accent);font-size:9px;font-weight:700;letter-spacing:.28em}html[data-theme=modern] .brand-mark,html[data-theme=modern] .wordmark-symbol{width:30px;height:30px;color:#fff;background:var(--modern-accent);border:1px solid rgba(23,24,26,.18);border-radius:8px;filter:none;font-size:14px;font-weight:800}html[data-theme=modern] .wordmark{gap:8px;color:var(--ink);font-size:16px;font-weight:750;letter-spacing:-.02em}html[data-theme=modern] .topbar{height:56px;padding:0 max(32px,calc((100vw - 1180px)/2));background:#ffffffd1;border-bottom:1px solid var(--line);box-shadow:0 1px #ffffffc7;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}html[data-theme=modern] .topnav{align-self:center;height:auto;padding:3px;gap:2px;background:#ffffffb8;border:1px solid var(--line);border-radius:999px;box-shadow:inset 0 1px #ffffffe6,0 2px 8px #24272b09}html[data-theme=modern] .topnav button{min-height:28px;padding:0 11px;color:var(--muted);border-radius:999px;font-size:11px;font-weight:700}html[data-theme=modern] .topnav button.active{color:var(--tab-selected-ink);background:var(--tab-selected-fill);border-color:var(--tab-selected-fill);box-shadow:0 4px 12px #536a9647}html[data-theme=modern] .topnav button.active:after{display:none}html[data-theme=modern] .account-options-button{gap:6px;padding:3px 5px;border-radius:var(--modern-button-radius)}html[data-theme=modern] .account-options-button:hover{background:#ffffffd6}html[data-theme=modern] .account strong{font-size:11px;font-weight:700}html[data-theme=modern] .account span{font-size:9px;line-height:1.25}html[data-theme=modern] .account-chevron{width:18px;height:18px;font-size:12px}html[data-theme=modern] .page{width:min(1180px,calc(100% - 48px));padding:54px 0 84px}html[data-theme=modern] .page-heading,html[data-theme=modern] .page-heading.compact{overflow:visible;min-height:0;padding:0;align-items:flex-end;background:transparent;border:0;border-radius:0;box-shadow:none}html[data-theme=modern] .page-heading{margin-bottom:40px}html[data-theme=modern] .page-heading.compact{margin-bottom:28px}html[data-theme=modern] .page-heading h1{margin-bottom:10px;font-size:clamp(44px,5vw,62px);line-height:1.12}html[data-theme=modern] .page-heading>div>p:last-child{color:var(--muted);font-size:14px;line-height:1.65}html[data-theme=modern] .primary-button,html[data-theme=modern] .secondary-button,html[data-theme=modern] .danger-button,html[data-theme=modern] .forgot-button,html[data-theme=modern] .remember-button,html[data-theme=modern] .autoplay-button{border-width:1px;min-height:38px;padding:0 15px;border-radius:var(--modern-button-radius);box-shadow:var(--modern-button-shadow);font-family:var(--modern-font-sans);font-size:12px;font-weight:700;letter-spacing:0}html[data-theme=modern] .primary-button.small,html[data-theme=modern] .secondary-button.small,html[data-theme=modern] .compact-button{min-height:32px;height:32px;padding-inline:11px;font-size:11px}html[data-theme=modern] .primary-button{color:var(--modern-button-ink);background:var(--modern-button-fill);border-color:var(--modern-button-border)}html[data-theme=modern] .primary-button:hover{color:var(--modern-button-ink);background:var(--modern-button-fill-hover);border-color:var(--modern-button-border);box-shadow:inset 0 1px #ffffff38,0 6px 15px #56627f29;transform:translateY(-1px)}html[data-theme=modern] .secondary-button{color:var(--modern-button-ink);background:#f8f9fb;border-color:var(--modern-button-border)}html[data-theme=modern] .secondary-button:hover{color:var(--modern-button-ink);background:var(--modern-button-fill);border-color:var(--modern-button-border);box-shadow:inset 0 1px #fff,0 5px 13px #56627f1f;transform:translateY(-1px)}html[data-theme=modern] .danger-button{color:#a33f2d;background:linear-gradient(180deg,#fff8f5,#f9e8e1);border-color:#e765493d}html[data-theme=modern] .primary-button:disabled,html[data-theme=modern] .secondary-button:disabled,html[data-theme=modern] .danger-button:disabled{box-shadow:none;transform:none}html[data-theme=modern] .text-button{color:var(--modern-accent);font-family:var(--modern-font-sans);font-size:12px}html[data-theme=modern] :where(input:not([type=checkbox]):not([type=radio]):not([type=range]),textarea,select){color:var(--ink);background:#ffffffd1;border-color:var(--line);border-radius:var(--radius-control);box-shadow:var(--modern-control-shadow)}html[data-theme=modern] :where(input:not([type=checkbox]):not([type=radio]):not([type=range]),textarea,select):focus-visible{outline:0;border-color:#e76549b8;box-shadow:inset 0 1px #ffffffe6,0 0 0 3px #e7654929,0 3px 9px #24272b0e}html[data-theme=modern] .website-style-select-trigger{min-height:43px;color:var(--ink);background:linear-gradient(180deg,#fff,#f7f6f3);border:1px solid var(--line);border-radius:var(--modern-button-radius);box-shadow:var(--modern-control-shadow);font-family:var(--modern-font-sans);font-size:13px;font-weight:600}html[data-theme=modern] .website-style-select-trigger:hover,html[data-theme=modern] .website-style-select-trigger[aria-expanded=true]{background:#fff;border-color:#e765496b;box-shadow:inset 0 1px #fff,0 5px 13px #24272b17}html[data-theme=modern] .website-style-select-trigger:focus-visible{outline:0;border-color:#e76549b8;box-shadow:inset 0 1px #ffffffe6,0 0 0 3px #e7654929,0 3px 9px #24272b0e}html[data-theme=modern] .website-style-select-menu{background:#fffffff5;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--modern-surface-shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}html[data-theme=modern] .website-style-select-option{color:var(--ink);border-radius:5px;font-family:var(--modern-font-sans);font-size:12px;font-weight:700}html[data-theme=modern] .website-style-select-option:hover,html[data-theme=modern] .website-style-select-option:focus-visible,html[data-theme=modern] .website-style-select-option[aria-selected=true]{color:var(--modern-button-ink);background:var(--modern-button-fill)}html[data-theme=modern] .website-style-select-option-check{color:var(--modern-accent)}html[data-theme=modern] .segmented{padding:4px;background:#ebeae6;border:1px solid var(--line);border-radius:7px;box-shadow:var(--modern-control-shadow)}html[data-theme=modern] .segmented button{border-radius:5px;font-size:11px}html[data-theme=modern] .segmented button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill);box-shadow:var(--modern-button-shadow)}html[data-theme=modern] .auth-layout{background:var(--canvas)}html[data-theme=modern] .auth-story{color:var(--ink);background:#ffffff57;border-right:1px solid var(--line)}html[data-theme=modern] .auth-copy h1{color:var(--ink);font-family:Georgia,Songti SC,serif;font-size:clamp(48px,5.4vw,76px);font-weight:400;line-height:1.06;letter-spacing:.015em}html[data-theme=modern] .auth-copy>p:last-child{color:var(--muted);font-weight:500}html[data-theme=modern] .decorative-card{color:var(--ink);background:#ffffffdb;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow);transform:none}html[data-theme=modern] .decorative-card span,html[data-theme=modern] .decorative-card p{color:var(--muted)}html[data-theme=modern] .decorative-card strong{color:var(--ink)}html[data-theme=modern] .auth-panel{background:#ffffff75}html[data-theme=modern] .auth-form-wrap{background:#ffffffdb;border:1px solid var(--line);border-radius:var(--radius-panel);box-shadow:var(--shadow)}html[data-theme=modern] .lesson-card,html[data-theme=modern] .platform-card,html[data-theme=modern] .student-class-card,html[data-theme=modern] .student-material-card,html[data-theme=modern] .student-classmate-card{background:linear-gradient(180deg,#fffffff0,#ffffffd6);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--modern-surface-shadow)}html[data-theme=modern] .lesson-card:nth-child(n),html[data-theme=modern] .platform-card:nth-child(n),html[data-theme=modern] .student-class-card:nth-child(n),html[data-theme=modern] .student-material-card:nth-child(n),html[data-theme=modern] .student-classmate-card:nth-child(n){background:var(--paper)}html[data-theme=modern] .lesson-card:hover{border-color:#1c1e213d;box-shadow:0 14px 36px #24272b13;transform:translateY(-2px)}html[data-theme=modern] .lesson-number,html[data-theme=modern] .tone-0,html[data-theme=modern] .tone-1,html[data-theme=modern] .tone-2,html[data-theme=modern] .tone-3{color:var(--modern-accent);background:var(--yellow-soft);border:0;box-shadow:none}html[data-theme=modern] .progress-track,html[data-theme=modern] .study-progress{height:7px;background:#e4e3df;border:0}html[data-theme=modern] .progress-track span,html[data-theme=modern] .study-progress span{background:var(--modern-accent)}html[data-theme=modern] .empty-state{background:#ffffff7a;border:1px dashed rgba(28,30,33,.2);border-radius:var(--radius-panel);box-shadow:none}html[data-theme=modern] .empty-icon{color:var(--modern-accent);background:var(--yellow-soft);border:0;box-shadow:none}html[data-theme=modern] .studio,html[data-theme=modern] .settings-panel,html[data-theme=modern] .platform-section,html[data-theme=modern] .options-dialog,html[data-theme=modern] .flashcard-set-editor-page{background:#ffffffe0;border:1px solid var(--line);border-radius:var(--radius-panel);box-shadow:var(--modern-surface-shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}html[data-theme=modern] .library-tabs,html[data-theme=modern] .quizlet-import-tabs,html[data-theme=modern] .settings-tabs,html[data-theme=modern] .student-class-list-pane{background:#ffffffbd;border:1px solid var(--line);border-radius:var(--radius-panel);box-shadow:var(--modern-control-shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}html[data-theme=modern] .library-tabs button,html[data-theme=modern] .quizlet-import-tabs button,html[data-theme=modern] .settings-tabs button,html[data-theme=modern] .student-class-list-pane button,html[data-theme=modern] .studio-sidebar button{border-radius:var(--modern-button-radius);font-family:var(--modern-font-sans);font-size:11px;letter-spacing:0}html[data-theme=modern] .library-tabs button:hover,html[data-theme=modern] .quizlet-import-tabs button:hover,html[data-theme=modern] .settings-tabs button:hover,html[data-theme=modern] .student-class-list-pane button:hover,html[data-theme=modern] .student-class-list-pane button.selected{color:var(--ink);background:linear-gradient(180deg,#fff8f5 0%,var(--yellow-soft) 100%);box-shadow:inset 0 0 0 1px #e7654914}html[data-theme=modern] .library-tabs button.selected,html[data-theme=modern] .quizlet-import-tabs button.selected,html[data-theme=modern] .settings-tabs button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill);box-shadow:var(--modern-button-shadow)}html[data-theme=modern] .settings-profile,html[data-theme=modern] .assignment-box{background:#f6f5f2}html[data-theme=modern] .student-content-tabs{border-bottom:0}html[data-theme=modern] .student-content-tabs [role=tablist]{width:fit-content;max-width:100%;margin-inline:auto;padding:3px;gap:2px;background:#ffffffb8;border:1px solid var(--line);border-radius:999px;box-shadow:var(--modern-control-shadow)}html[data-theme=modern] .student-content-tabs button{min-width:104px;min-height:28px;padding:0 13px;border:0;border-radius:999px;font-family:var(--modern-font-sans);font-size:13px;font-weight:700;letter-spacing:.01em}html[data-theme=modern] .student-content-tabs button:hover{color:var(--ink);background:#ffffffe6}html[data-theme=modern] .student-content-tabs button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill);box-shadow:var(--modern-button-shadow)}html[data-theme=modern] .student-material-list .student-material-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:none}html[data-theme=modern] .studio-sidebar{background:#f0efeb;background-image:none;border-color:var(--line)}html[data-theme=modern] .studio-sidebar button{border:0;box-shadow:none}html[data-theme=modern] .studio-sidebar button.selected{background:#fff;border:0;box-shadow:var(--modern-control-shadow)}html[data-theme=modern] .class-summary-card,html[data-theme=modern] .folder-summary-card,html[data-theme=modern] .flashcard-set-browser:not(.compact) .flashcard-set-item{background:linear-gradient(180deg,#fffffff0,#ffffffd6);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--modern-control-shadow)}html[data-theme=modern] :where(.icon-button,.flashcard-set-editor-menu-button,.card-menu-button,.class-menu-button,.add-assignment-button,.flashcard-preview-toggle,.flashcard-audio-button,.flashcard-star-button){border:1px solid var(--line);border-radius:var(--modern-button-radius);color:var(--modern-button-ink);background:#f8f9fb;border-color:var(--modern-button-border);box-shadow:var(--modern-control-shadow)}html[data-theme=modern] :where(.icon-button,.flashcard-set-editor-menu-button,.card-menu-button,.class-menu-button,.add-assignment-button,.flashcard-preview-toggle,.flashcard-audio-button,.flashcard-star-button):hover:not(:disabled),html[data-theme=modern] :where(.flashcard-set-editor-menu-button,.card-menu-button,.class-menu-button,.add-assignment-button,.flashcard-preview-toggle)[aria-expanded=true]{color:var(--modern-button-ink);background:var(--modern-button-fill);border-color:var(--modern-button-border);box-shadow:inset 0 1px #fff,0 5px 13px #56627f1f;transform:translateY(-1px)}html[data-theme=modern] :where(.icon-button,.flashcard-preview-toggle,.flashcard-audio-button,.flashcard-star-button):disabled{box-shadow:none}html[data-theme=modern] .resource-list-toolbar>.resource-filter input,html[data-theme=modern] .resource-list-toolbar>.resource-sort select,html[data-theme=modern] .resource-list-toolbar>.primary-button{height:38px;min-height:38px}html[data-theme=modern] .class-view-toggle{height:38px;padding:3px;border-radius:7px;background:#ffffffd1;box-shadow:var(--modern-control-shadow)}html[data-theme=modern] .class-view-option{height:30px;border-radius:5px}html[data-theme=modern] .class-view-option.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill);box-shadow:var(--modern-button-shadow)}html[data-theme=modern] :where(.flashcard-set-editor-menu,.card-menu,.class-menu,.audio-upload-menu,.add-assignment-menu){border-radius:8px;background:#fffffff5;box-shadow:var(--modern-surface-shadow);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}html[data-theme=modern] :where(.flashcard-set-editor-menu,.card-menu,.class-menu,.audio-upload-menu,.add-assignment-menu) button{border-radius:5px;font-family:var(--modern-font-sans);font-size:11px}html[data-theme=modern] :where(.publish-toggle,.select-all-cards,.audio-option,.speed-option){border-radius:7px;background:#ffffffb8;box-shadow:var(--modern-control-shadow)}html[data-theme=modern] .flashcard-set-browser:not(.compact) .flashcard-set-item:hover,html[data-theme=modern] .flashcard-set-browser:not(.compact) .flashcard-set-item:focus-visible,html[data-theme=modern] .flashcard-set-browser:not(.compact) .flashcard-set-item.selected{background:#fff;border-color:#1c1e213d;box-shadow:var(--shadow);transform:translateY(-1px)}html[data-theme=modern] .card-editor-row{background:#ffffffe6;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:none}html[data-theme=modern] .card-editor-row.new-card-form{background:#ffffffe6}html[data-theme=modern] .card-back-input{color:#52655f}html[data-theme=modern] .card-front-cell strong,html[data-theme=modern] .card-front-input{font-size:16px;line-height:22px}html[data-theme=modern] .card-index,html[data-theme=modern] .new-card-number{color:var(--modern-accent);background:var(--yellow-soft);border:0}html[data-theme=modern] .flashcard{border:0;border-radius:18px;box-shadow:none}html[data-theme=modern] .flashcard-face{border:1px solid var(--line);border-radius:18px;box-shadow:0 18px 46px #24272b16}html[data-theme=modern] .flashcard-front{color:var(--ink);background:linear-gradient(#ffffffd1,#ffffffd1),repeating-linear-gradient(0deg,transparent 0 45px,#e9e8e4 45px 46px)}html[data-theme=modern] .flashcard-back{color:var(--ink);background:#f8eee9}html[data-theme=modern] .card-side-label{color:var(--muted);background:transparent;border:0;box-shadow:none}html[data-theme=modern] .flashcard strong{color:var(--ink);font-weight:700;letter-spacing:0}html[data-theme=modern] .flashcard-audio-button,html[data-theme=modern] .autoplay-button{color:var(--ink);background:#ffffffd6;border:1px solid var(--line);box-shadow:none}html[data-theme=modern] .autoplay-button.playing{color:var(--modern-button-ink);background:var(--modern-button-fill);border-color:var(--modern-button-border)}html[data-theme=modern] .platform-section:nth-child(n){background:var(--paper)}html[data-theme=modern] .platform-table-wrap{background:transparent;border:1px solid var(--line);border-radius:var(--radius-card)}html[data-theme=modern] .platform-table th{color:var(--muted);background:#f0efeb}html[data-theme=modern] .platform-table tbody tr:nth-child(2n) td{background:transparent}html[data-theme=modern] .account-dropdown{background:#fffffff0;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow)}html[data-theme=modern] .account-dropdown button:hover,html[data-theme=modern] .account-dropdown button:focus-visible{background:var(--yellow-soft)}html[data-theme=modern] .flashcard-preview-toggle{color:var(--ink);background:#ffffffd1;border-color:var(--line)}html[data-theme=modern] .flashcard-preview-toggle.active{color:var(--modern-button-ink);background:var(--modern-button-fill);border-color:var(--modern-button-border)}html[data-theme=modern] .flashcard-preview-options-panel{background:#fffffff5;border-color:var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow)}html[data-theme=modern] .study{--teacher-editor-border-total: 0px}@media(max-width:720px){html[data-theme=modern] .topbar{height:auto;padding:10px 14px 8px;row-gap:7px}html[data-theme=modern] .topnav{width:100%;height:34px;padding:2px;justify-content:center;overflow-x:auto}html[data-theme=modern] .topnav button{min-height:28px;padding-inline:10px}html[data-theme=modern] .page{width:min(100% - 28px,1180px);padding-top:38px}html[data-theme=modern] .page-heading h1{font-size:clamp(40px,13vw,54px)}html[data-theme=modern] .auth-story{display:none}html[data-theme=modern] .auth-panel{min-height:100vh;padding:38px 22px}html[data-theme=modern] .auth-form-wrap{padding:26px 22px}}.flashcard{aspect-ratio:var(--flashcard-aspect-ratio);min-height:var(--flashcard-min-height)}.flashcard .flashcard-fit-text{display:block;width:100%;min-width:0;max-width:620px;min-height:0;overflow:hidden;overflow-wrap:anywhere;box-sizing:border-box}.flashcard-front>.flashcard-fit-text,.flashcard-definition-copy .flashcard-fit-text{text-align:center}.flashcard-front>.flashcard-fit-text{line-height:1.2;overflow:visible}.flashcard-definition-layout.has-image .flashcard-definition-copy .flashcard-fit-text{text-align:left}.flashcard-definition-copy .flashcard-fit-text{line-height:1.2;overflow:visible;padding-block:.05em}@media(max-width:720px){.flashcard{min-height:var(--flashcard-min-height-mobile)}.flashcard-definition-layout.has-image .flashcard-definition-copy .flashcard-fit-text{text-align:center}}.topbar .wordmark{--header-wordmark-icon-size: 84px;--header-wordmark-name-width: 78px;--header-wordmark-penguin-size: 16px;--header-wordmark-word-size: 24px;display:inline-flex;align-items:center;gap:10px;min-width:0;max-width:none;overflow:visible;transform:none}.topbar .wordmark .wordmark-symbol{flex:0 0 var(--header-wordmark-icon-size);width:var(--header-wordmark-icon-size);height:var(--header-wordmark-icon-size);overflow:hidden;border-radius:50%}.topbar .wordmark-name{display:grid;width:var(--header-wordmark-name-width, 78px);gap:3px;line-height:1}.topbar .wordmark-name-line{display:flex;width:100%;align-items:center;justify-content:space-between}.topbar .wordmark-name-line>span{display:block}.topbar .wordmark-name-penguin{font-size:var(--header-wordmark-penguin-size, 12px);font-weight:800}.topbar .wordmark-name-word{font-size:var(--header-wordmark-word-size, 24px);font-weight:900}.topbar{min-height:100px;height:auto;padding-block:8px}html[data-theme=simple] .topbar .wordmark{--header-wordmark-icon-size: 76px;--header-wordmark-name-width: 74px;--header-wordmark-penguin-size: 15px;--header-wordmark-word-size: 23px}html[data-theme=simple] .topbar{min-height:92px;height:auto;padding-block:8px}html[data-theme=modern] .topbar .wordmark{--header-wordmark-icon-size: 60px;--header-wordmark-name-width: 58px;--header-wordmark-penguin-size: 12px;--header-wordmark-word-size: 18px;gap:8px}html[data-theme=modern] .topbar{min-height:76px;height:auto;padding-block:8px}@media(max-width:720px){.topbar,html[data-theme=simple] .topbar,html[data-theme=modern] .topbar{grid-template-columns:max-content minmax(0,1fr);min-height:0;height:auto}.topbar .wordmark{max-width:none;overflow:visible}}.app-shell .page.workspace-page{padding-top:32px}@media(max-width:720px){.app-shell .page.workspace-page{padding-top:22px}}.account-options-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:0;padding:4px 6px;text-align:center}.account-options-button .account-identity{display:none!important}.account-options-button .account-avatar,.account-options-button .account-chevron{display:grid!important}.account-options-button:after{content:none!important}.account-avatar{display:grid;place-items:center;flex:0 0 34px;width:34px;height:34px;overflow:hidden;color:var(--muted);background:var(--paper);border:1px solid var(--line);border-radius:50%}.account-avatar img{display:block;width:100%;height:100%;object-fit:cover}.account-avatar .resource-icon{display:block;flex:none}.account-avatar-initial{display:block;color:inherit;font-size:16px;font-weight:750;line-height:1;letter-spacing:-.02em;text-transform:uppercase}.account-chevron{display:grid!important;place-items:center;flex:0 0 16px;width:16px;height:16px;color:var(--muted);font-size:12px;line-height:1}.account-dropdown-profile{display:grid;gap:3px;min-width:0;margin:0 0 6px;padding:9px 12px 11px;border-bottom:1px solid var(--line);text-align:left}.account-dropdown-profile strong,.account-dropdown-profile span{display:block;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-dropdown-profile strong{color:var(--ink);font-size:14px;font-weight:800;line-height:1.25}.account-dropdown-profile span{color:var(--muted);font-size:12px;font-weight:700;line-height:1.35}.account-dropdown-actions{display:grid;gap:2px}.settings-avatar-section{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center}.settings-avatar-editor{display:flex;align-items:center;gap:16px}.settings-avatar-preview{flex-basis:72px;width:72px;height:72px}.settings-avatar-preview .resource-icon{width:38px;height:38px}.settings-avatar-preview .account-avatar-initial{font-size:28px}.settings-avatar-actions{display:grid;justify-items:start;gap:8px;min-width:0}.settings-avatar-control-row{display:flex;align-items:center;gap:10px}.settings-avatar-remove{display:grid;place-items:center;flex:0 0 30px;width:30px;height:30px;padding:0;color:var(--muted);background:var(--paper);border:1px solid var(--line);border-radius:50%;cursor:pointer;transition:color .14s ease,border-color .14s ease,transform .14s ease}.settings-avatar-remove:hover{color:var(--tab-selected-fill);border-color:var(--tab-selected-fill);transform:translateY(-1px)}.settings-avatar-remove:focus-visible{outline:3px solid color-mix(in srgb,var(--tab-selected-fill) 24%,transparent);outline-offset:3px}.settings-avatar-remove:disabled{cursor:wait;opacity:.55;transform:none}.settings-avatar-remove-placeholder{visibility:hidden;pointer-events:none}.settings-avatar-remove svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-width:2}.settings-avatar-upload{position:relative;overflow:hidden;cursor:pointer}.settings-avatar-upload input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.settings-avatar-upload input:disabled{cursor:default}html[data-theme=simple] .account-avatar{color:var(--green-dark);background:var(--mint)}html[data-theme=effective-learning] .account-avatar{color:var(--cocoa);background:var(--yellow-soft);border-color:var(--cocoa)}html[data-theme=modern] .account-avatar{color:var(--modern-button-ink);background:var(--modern-button-fill);border-color:var(--modern-button-border);box-shadow:var(--modern-button-shadow)}@media(max-width:720px){.account-options-button,.account-menu{width:auto}.account-dropdown{right:auto;left:0}.account-options-button{justify-content:center;overflow:visible}.settings-avatar-section{grid-template-columns:1fr;align-items:start}.settings-avatar-editor{justify-content:flex-start}}.about-page{width:100%}.about-changelog{padding:28px;background:var(--paper);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.about-section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:18px;margin-bottom:20px}.about-section-heading .eyebrow{margin:0}.change-log{display:grid;gap:10px;margin:0;padding:0;list-style:none}.change-log-entry{display:grid;grid-template-columns:110px minmax(0,1fr);gap:18px;align-items:start;padding:16px 18px;background:var(--canvas);border:1px solid var(--line);border-radius:14px}.change-log-entry time{padding-top:2px;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;white-space:nowrap}.change-log-entry-content{min-width:0}.change-log-entry h3{margin:0;color:var(--ink);font-size:14px;font-weight:750;line-height:1.45;overflow-wrap:anywhere}.change-log-entry-details{display:grid;gap:5px;margin:9px 0 0;padding-left:17px;color:var(--muted);font-size:12px;line-height:1.5}.change-log-entry-details li{padding-left:2px}.change-log-entry-details li::marker{color:var(--green)}@media(max-width:720px){.about-changelog{padding:20px 16px;border-radius:18px}.change-log-entry{grid-template-columns:1fr;gap:7px;padding:14px}.change-log-entry-details{font-size:12px}}:root{--top-navigation-label-size: 16px;--library-resource-tab-label-size: 14px;--resource-list-label-size: 16px;--flashcard-set-list-meta-size: 11px}.topnav button{font-size:var(--top-navigation-label-size)}.library-tabs button,.quizlet-import-tabs button,.student-class-list-pane button{font-size:var(--library-resource-tab-label-size)}.flashcard-set-browser:not(.compact) .flashcard-set-list.list .flashcard-set-item-copy strong{font-size:var(--resource-list-label-size);line-height:1.35}.flashcard-set-browser:not(.compact) .flashcard-set-list.list .flashcard-set-item-copy small{font-size:var(--flashcard-set-list-meta-size)}html[data-theme=modern] .topnav button{font-size:var(--top-navigation-label-size)}html[data-theme=modern] .library-tabs button,html[data-theme=modern] .quizlet-import-tabs button,html[data-theme=modern] .student-class-list-pane button{font-size:var(--library-resource-tab-label-size)}.student-material-list .student-material-card h3{font-size:var(--resource-list-label-size);line-height:1.35}.settings-avatar-upload{position:relative;display:grid;flex:0 0 72px;place-items:center;width:72px;height:72px;overflow:hidden;padding:0;border:0;border-radius:50%;background:transparent;cursor:pointer}.settings-avatar-upload:hover .settings-avatar-preview{filter:brightness(.94);transform:scale(1.03)}.settings-avatar-upload:focus-within{outline:3px solid rgba(29,109,91,.2);outline-offset:3px}.settings-avatar-upload .settings-avatar-preview{transition:filter .14s ease,transform .14s ease}.settings-avatar-upload input{position:absolute;inset:0;z-index:1;width:100%;height:100%;opacity:0;cursor:pointer}.settings-avatar-upload input:disabled{cursor:wait}.settings-password-form{width:min(100%,540px)}.settings-password-form .field-group{display:grid;grid-template-columns:150px minmax(0,360px);gap:7px 16px;align-items:center;margin-bottom:14px}.settings-password-form .field-label{margin-bottom:0}.settings-password-form input{width:100%;max-width:360px}.settings-password-form .form-error,.settings-password-form .notice,.settings-password-form .settings-actions{max-width:360px;margin-left:166px}@media(max-width:720px){.settings-password-form .field-group{grid-template-columns:1fr;gap:7px}.settings-password-form .form-error,.settings-password-form .notice,.settings-password-form .settings-actions{margin-left:0}}.class-summary-card,.flashcard-set-item,.student-material-card.is-clickable,.student-class-list-pane button{position:relative;transition:transform .16s ease,box-shadow .16s ease}.class-summary-card:after,.flashcard-set-item:after,.student-material-card.is-clickable:after,.student-class-list-pane button:after{position:absolute;right:16px;bottom:7px;left:16px;height:3px;border-radius:999px;background:var(--tab-selected-fill);content:"";opacity:0;pointer-events:none;transform:scaleX(.2);transform-origin:center;transition:opacity .16s ease,transform .16s ease}.class-summary-card:hover,.class-summary-card:focus-visible,.flashcard-set-item:hover,.flashcard-set-item:focus-visible,.student-material-card.is-clickable:hover,.student-material-card.is-clickable:focus-visible,.student-class-list-pane button:hover,.student-class-list-pane button:focus-visible{transform:translateY(-2px)}.class-summary-card:hover:after,.class-summary-card:focus-visible:after,.flashcard-set-item:hover:after,.flashcard-set-item:focus-visible:after,.student-material-card.is-clickable:hover:after,.student-material-card.is-clickable:focus-visible:after,.student-class-list-pane button:hover:after,.student-class-list-pane button:focus-visible:after{opacity:1;transform:scaleX(1)}@media(prefers-reduced-motion:reduce){.class-summary-card,.flashcard-set-item,.student-material-card.is-clickable,.student-class-list-pane button,.class-summary-card:after,.flashcard-set-item:after,.student-material-card.is-clickable:after,.student-class-list-pane button:after{transition-duration:0ms}.class-summary-card:hover,.class-summary-card:focus-visible,.flashcard-set-item:hover,.flashcard-set-item:focus-visible,.student-material-card.is-clickable:hover,.student-material-card.is-clickable:focus-visible,.student-class-list-pane button:hover,.student-class-list-pane button:focus-visible{transform:none}}html[data-theme=simple]{--study-answer-accent: var(--green)}html[data-theme=effective-learning]{--study-answer-accent: var(--cocoa)}html[data-theme=modern]{--study-answer-accent: var(--tab-selected-fill)}html[data-theme] .forgot-button,html[data-theme] .remember-button,.forgot-button,.remember-button{color:var(--ink);background:var(--paper);border:1px solid var(--line);box-shadow:none}html[data-theme] .forgot-button:hover:not(:disabled),html[data-theme] .remember-button:hover:not(:disabled),.forgot-button:hover:not(:disabled),.remember-button:hover:not(:disabled){border-color:var(--study-answer-accent, var(--green));background:color-mix(in srgb,var(--study-answer-accent, var(--green)) 8%,var(--paper))}html[data-theme] .forgot-button.selected,html[data-theme] .remember-button.selected,html[data-theme] .forgot-button.selected:hover:not(:disabled),html[data-theme] .remember-button.selected:hover:not(:disabled),.forgot-button.selected,.remember-button.selected{color:var(--tab-selected-ink);background:var(--study-answer-accent, var(--green));border-color:var(--study-answer-accent, var(--green));box-shadow:inset 0 1px #ffffff1f,0 3px 8px #0000001a}.audio-status.playing{color:var(--tab-selected-ink);background:var(--study-answer-accent, var(--tab-selected-fill));border-color:var(--study-answer-accent, var(--tab-selected-fill));box-shadow:0 0 0 3px color-mix(in srgb,var(--study-answer-accent, var(--tab-selected-fill)) 18%,transparent)}.audio-status.playing:hover:not(:disabled){color:var(--tab-selected-ink);background:var(--study-answer-accent, var(--tab-selected-fill));border-color:var(--study-answer-accent, var(--tab-selected-fill))}.audio-status.playing svg{animation:audio-status-pulse .9s ease-in-out infinite}@keyframes audio-status-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.12)}}@media(prefers-reduced-motion:reduce){.audio-status.playing svg{animation:none}}.account-dialog-backdrop{z-index:45}.account-edit-dialog{width:min(560px,calc(100vw - 32px));max-height:min(760px,calc(100vh - 32px));overflow:auto}.account-delete-dialog{width:min(500px,calc(100vw - 32px))}.account-delete-form{display:grid;gap:14px}.account-delete-email-prompt{margin:0;color:var(--ink);font-weight:750;line-height:1.45}.account-delete-email-value{color:var(--tab-selected-fill);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-weight:800;letter-spacing:.01em}.account-delete-confirm-field input[aria-invalid=true]{border-color:var(--coral);box-shadow:0 0 0 3px color-mix(in srgb,var(--coral) 12%,transparent)}.account-delete-form .account-delete-email-feedback{display:flex;align-items:center;block-size:32px;margin:-3px 0 0;color:var(--coral);font-size:.82rem;font-weight:700;line-height:1.35;overflow:auto}.feedback-slot{box-sizing:border-box;block-size:56px;overflow:auto;visibility:hidden;pointer-events:none}.feedback-slot.is-visible{visibility:visible;pointer-events:auto}.feedback-slot--overlay{position:fixed;z-index:60;top:clamp(76px,12vh,120px);left:50%;width:min(620px,calc(100vw - 32px));margin:0;transform:translate(-50%);box-shadow:var(--shadow)}.card-editor-row .feedback-slot.card-upload-status{position:absolute;z-index:2;right:13px;bottom:8px;left:54px;display:flex;align-items:center;block-size:36px;margin:0;padding:7px 10px;overflow:auto;border:1px solid currentColor;border-radius:9px;background:var(--paper)}.account-dialog-help{margin:-8px 0 20px;color:var(--muted);line-height:1.5}.account-edit-form{display:grid;gap:17px}.account-edit-field{display:grid;gap:7px;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.account-edit-field input{width:100%;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-control, 11px);color:var(--ink);background:var(--paper);font:inherit;font-size:14px;font-weight:600;letter-spacing:normal;text-transform:none}.account-role-fieldset{margin:0;padding:14px;border:1px solid var(--line);border-radius:var(--radius-card, 14px)}.account-role-fieldset legend{padding:0 5px;color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.account-role-fieldset .role-checklist{min-width:0}.account-role-summary{color:var(--ink);font-size:12px;font-weight:750;line-height:1.45}.platform-table .account-actions{display:flex;align-items:center;justify-content:flex-end;gap:7px;min-width:0}.platform-table .account-actions .compact-button{white-space:nowrap}.danger-button{min-height:38px;padding:0 13px;border:1px solid color-mix(in srgb,var(--coral) 55%,var(--line));border-radius:var(--radius-control, 11px);color:var(--coral);background:transparent;font-weight:750;cursor:pointer;transition:transform .14s ease,background .14s ease,border-color .14s ease,opacity .14s ease}.danger-button:hover:not(:disabled){border-color:var(--coral);background:color-mix(in srgb,var(--coral) 10%,var(--paper));transform:translateY(-1px)}.danger-button:disabled{cursor:not-allowed;opacity:.45;transform:none}@media(max-width:720px){.platform-table .account-actions{align-items:stretch;flex-direction:column;justify-content:flex-start}.platform-table .account-actions .compact-button{width:100%}.account-edit-dialog,.account-delete-dialog{width:min(100%,calc(100vw - 24px));max-height:calc(100vh - 24px);padding:22px}}.workspace-settings-navigation,.workspace-account-identity,.workspace-main-navigation{display:none}html[data-theme=sleek]{--sleek-indigo: #4f46e5;--sleek-indigo-strong: #4338ca;--sleek-indigo-soft: #eef2ff;--sleek-coral: #f95738;--sleek-coral-soft: #fff1ed;--sleek-font-sans: "Plus Jakarta Sans Variable", "Plus Jakarta Sans", system-ui, sans-serif;--sleek-weight-heading: 650;--sleek-weight-title: 600;--sleek-weight-label: 500;--sleek-weight-body: 400;--sleek-action: #0f172a;--sleek-action-hover: #1e293b;--sleek-sidebar-width: 256px;--ink: #0f172a;--muted: #64748b;--paper: rgba(255, 255, 255, .96);--canvas: #f8fafc;--green: var(--sleek-indigo);--green-dark: var(--sleek-indigo-strong);--mint: var(--sleek-indigo-soft);--line: #e2e8f0;--coral: var(--sleek-coral);--blue: #6366f1;--blue-soft: var(--sleek-indigo-soft);--yellow: var(--sleek-coral);--yellow-soft: var(--sleek-coral-soft);--cocoa: var(--ink);--sage: #0f766e;--shadow: 0 18px 45px rgba(15, 23, 42, .08);--tab-selected-fill: var(--sleek-indigo);--tab-selected-ink: #ffffff;--control-height: 44px;--control-height-small: 36px;--radius-control: 12px;--radius-card: 18px;--radius-panel: 20px;--radius-dialog: 22px;--focus-ring: rgba(79, 70, 229, .24);--surface-inset: #f8fafc;--surface-alt: #f8fafc;--border-strong: #cbd5e1;--shadow-panel: var(--shadow);--shadow-card: var(--shadow);--study-answer-accent: var(--sleek-indigo);color:var(--ink);background:var(--canvas)}html[data-theme=sleek] body{color:var(--ink);background-color:var(--canvas);background-image:radial-gradient(circle at 8% 0%,rgba(99,102,241,.09),transparent 24%),radial-gradient(circle at 92% 18%,rgba(249,87,56,.07),transparent 21%);font-family:var(--sleek-font-sans);font-size:14px;letter-spacing:-.005em}html[data-theme=sleek] :where(button,input,textarea,select){font-family:var(--sleek-font-sans)}html[data-theme=sleek] ::selection{color:var(--ink);background:#6366f133}html[data-theme=sleek] h1,html[data-theme=sleek] h2,html[data-theme=sleek] h3{color:var(--ink);font-family:var(--sleek-font-sans);font-weight:800;letter-spacing:-.045em}html[data-theme=sleek] .app-shell:before,html[data-theme=sleek] .app-shell:after,html[data-theme=sleek] .auth-story:before,html[data-theme=sleek] .auth-story:after,html[data-theme=sleek] .auth-panel:before,html[data-theme=sleek] .page-heading:before,html[data-theme=sleek] .page-heading:after{display:none}html[data-theme=sleek] .eyebrow{color:var(--sleek-indigo);font-size:10px;font-weight:800;letter-spacing:.18em}html[data-theme=sleek] .brand-mark,html[data-theme=sleek] .wordmark-symbol{width:36px;height:36px;color:#fff;background:var(--sleek-indigo);border:0;border-radius:12px;filter:drop-shadow(0 5px 10px rgba(79,70,229,.2));font-size:16px;font-weight:800}html[data-theme=sleek] .wordmark{gap:9px;color:var(--ink);font-size:17px;font-weight:800;letter-spacing:-.03em}html[data-theme=sleek] .wordmark.light{color:#fff}html[data-theme=sleek] .wordmark-name-penguin{color:var(--ink)}html[data-theme=sleek] .wordmark-name-word{color:var(--sleek-indigo)}html[data-theme=sleek] .wordmark.light .wordmark-symbol{color:var(--sleek-indigo);background:#fff}html[data-theme=sleek] .topbar .wordmark{--header-wordmark-icon-size: 56px;--header-wordmark-name-width: 80px;--header-wordmark-penguin-size: 13px;--header-wordmark-word-size: 20px;gap:9px}html[data-theme=sleek] .topbar{min-height:76px;height:auto;padding:8px max(24px,calc((100vw - 1240px)/2));background:#ffffffdb;border-bottom:1px solid rgba(226,232,240,.9);box-shadow:0 1px #ffffffe6;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}html[data-theme=sleek] .topnav{align-self:center;height:auto;padding:4px;gap:3px;background:#ffffffd1;border:1px solid var(--line);border-radius:999px;box-shadow:0 4px 14px #0f172a0d}html[data-theme=sleek] .topnav button{min-height:32px;padding:0 14px;color:var(--muted);border-radius:999px;font-weight:750}html[data-theme=sleek] .topnav button.active{color:#fff;background:var(--sleek-indigo);border-color:var(--sleek-indigo);box-shadow:0 5px 14px #4f46e542}html[data-theme=sleek] .topnav button.active:after{display:none}html[data-theme=sleek] .account-options-button{padding:4px 7px;border-radius:12px}html[data-theme=sleek] .account-options-button:hover{background:var(--sleek-indigo-soft)}html[data-theme=sleek] .page{width:min(1180px,calc(100% - 48px));padding:52px 0 78px}html[data-theme=sleek] .page-heading,html[data-theme=sleek] .page-heading.compact{min-height:0;padding:28px 30px;background:#ffffffd1;border:1px solid var(--line);border-radius:24px;box-shadow:0 12px 34px #0f172a0b}html[data-theme=sleek] .page-heading{margin-bottom:30px}html[data-theme=sleek] .page-heading.compact{margin-bottom:22px}html[data-theme=sleek] .page-heading h1{margin-bottom:8px;font-size:clamp(38px,5vw,58px);line-height:1.08}html[data-theme=sleek] .page-heading>div>p:last-child{color:var(--muted);line-height:1.6}html[data-theme=sleek] .primary-button,html[data-theme=sleek] .secondary-button,html[data-theme=sleek] .danger-button,html[data-theme=sleek] .forgot-button,html[data-theme=sleek] .remember-button,html[data-theme=sleek] .autoplay-button{min-height:40px;padding:0 16px;border-width:1px;border-radius:12px;box-shadow:0 4px 12px #0f172a0f;font-weight:750;letter-spacing:-.01em}html[data-theme=sleek] .segmented button.selected{color:#fff;background:var(--sleek-indigo);border-color:var(--sleek-indigo)}html[data-theme=sleek] .primary-button{color:#fff;background:var(--sleek-action);border-color:var(--sleek-action)}html[data-theme=sleek] .primary-button:hover{color:#fff;background:var(--sleek-action-hover);border-color:var(--sleek-action-hover);box-shadow:0 7px 16px #0f172a29;transform:translateY(-1px)}html[data-theme=sleek] .secondary-button,html[data-theme=sleek] .forgot-button,html[data-theme=sleek] .remember-button{color:var(--ink);background:#fff;border-color:var(--line)}html[data-theme=sleek] .secondary-button:hover,html[data-theme=sleek] .forgot-button:hover:not(:disabled),html[data-theme=sleek] .remember-button:hover:not(:disabled){color:var(--sleek-indigo-strong);background:var(--sleek-indigo-soft);border-color:#4f46e547;transform:translateY(-1px)}html[data-theme=sleek] .danger-button,html[data-theme=sleek] .text-button.danger{color:#c2412d}html[data-theme=sleek] .text-button{color:var(--sleek-indigo)}html[data-theme=sleek] .primary-button:disabled,html[data-theme=sleek] .secondary-button:disabled,html[data-theme=sleek] .danger-button:disabled{box-shadow:none;transform:none}html[data-theme=sleek] :where(input:not([type=checkbox]):not([type=radio]):not([type=range]),textarea,select){color:var(--ink);background:#fff;border-color:var(--line);border-radius:var(--radius-control);box-shadow:inset 0 1px #ffffffe6}html[data-theme=sleek] :where(input:not([type=checkbox]):not([type=radio]):not([type=range]),textarea,select):focus-visible{outline:0;border-color:#4f46e5b3;box-shadow:0 0 0 3px #4f46e526}html[data-theme=sleek] .website-style-select-trigger{min-height:44px;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 3px 10px #0f172a0d;font-family:var(--sleek-font-sans);font-weight:700}html[data-theme=sleek] .website-style-select-trigger:hover,html[data-theme=sleek] .website-style-select-trigger[aria-expanded=true]{border-color:#4f46e56b;box-shadow:0 7px 16px #4f46e51a}html[data-theme=sleek] .website-style-select-trigger:focus-visible{outline:0;border-color:#4f46e5b8;box-shadow:0 0 0 3px #4f46e526}html[data-theme=sleek] .website-style-select-menu{background:#fffffffa;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}html[data-theme=sleek] .website-style-select-option{color:var(--ink);border-radius:10px;font-family:var(--sleek-font-sans);font-weight:700}html[data-theme=sleek] .website-style-select-option:hover,html[data-theme=sleek] .website-style-select-option:focus-visible,html[data-theme=sleek] .website-style-select-option[aria-selected=true]{color:var(--sleek-indigo-strong);background:var(--sleek-indigo-soft)}html[data-theme=sleek] .website-style-select-option-check{color:var(--sleek-indigo)}html[data-theme=sleek] .segmented{padding:4px;background:var(--sleek-indigo-soft);border:1px solid rgba(79,70,229,.12);border-radius:14px}html[data-theme=sleek] .segmented button{border-radius:10px}html[data-theme=sleek] .auth-layout{background:var(--canvas)}html[data-theme=sleek] .auth-story{color:#fff;background:radial-gradient(circle at 80% 14%,rgba(255,255,255,.18),transparent 26%),linear-gradient(145deg,#4f46e5,#312e81)}html[data-theme=sleek] .auth-copy .eyebrow{color:#c7d2fe}html[data-theme=sleek] .auth-copy h1{color:#fff;font-family:var(--sleek-font-sans);font-size:clamp(44px,5.4vw,72px);font-weight:800;line-height:1.03;letter-spacing:-.05em}html[data-theme=sleek] .auth-copy>p:last-child{color:#ffffffc7}html[data-theme=sleek] .decorative-card{color:var(--ink);background:#ffffffeb;border:1px solid rgba(255,255,255,.55);border-radius:18px;box-shadow:0 18px 42px #0f172a33;transform:none}html[data-theme=sleek] .decorative-card span,html[data-theme=sleek] .decorative-card p{color:var(--muted)}html[data-theme=sleek] .decorative-card strong{color:var(--ink)}html[data-theme=sleek] .auth-panel{background:#ffffffa3}html[data-theme=sleek] .auth-form-wrap{background:#fffffff5;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}html[data-theme=sleek] .lesson-card,html[data-theme=sleek] .platform-card,html[data-theme=sleek] .student-class-card,html[data-theme=sleek] .student-material-card,html[data-theme=sleek] .student-classmate-card,html[data-theme=sleek] .class-summary-card,html[data-theme=sleek] .folder-summary-card,html[data-theme=sleek] .flashcard-set-browser:not(.compact) .flashcard-set-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:0 10px 28px #0f172a0e}html[data-theme=sleek] .lesson-card:hover,html[data-theme=sleek] .class-summary-card:hover,html[data-theme=sleek] .flashcard-set-browser:not(.compact) .flashcard-set-item:hover,html[data-theme=sleek] .flashcard-set-browser:not(.compact) .flashcard-set-item.selected{border-color:#4f46e547;box-shadow:0 16px 36px #4f46e51a;transform:translateY(-2px)}html[data-theme=sleek] .lesson-card:nth-child(n),html[data-theme=sleek] .platform-card:nth-child(n),html[data-theme=sleek] .student-class-card:nth-child(n),html[data-theme=sleek] .student-material-card:nth-child(n),html[data-theme=sleek] .student-classmate-card:nth-child(n){background:var(--paper)}html[data-theme=sleek] .lesson-number,html[data-theme=sleek] .tone-0,html[data-theme=sleek] .tone-1,html[data-theme=sleek] .tone-2,html[data-theme=sleek] .tone-3{color:var(--sleek-indigo-strong);background:var(--sleek-indigo-soft);border:0;box-shadow:none}html[data-theme=sleek] .progress-track,html[data-theme=sleek] .study-progress{height:8px;background:#e2e8f0;border:0}html[data-theme=sleek] .progress-track span,html[data-theme=sleek] .study-progress span{background:var(--sleek-indigo)}html[data-theme=sleek] .empty-state{background:#ffffffb8;border:1px dashed #cbd5e1;border-radius:var(--radius-panel);box-shadow:none}html[data-theme=sleek] .empty-icon{color:var(--sleek-indigo);background:var(--sleek-indigo-soft);border:0;box-shadow:none}html[data-theme=sleek] .studio,html[data-theme=sleek] .settings-panel,html[data-theme=sleek] .platform-section,html[data-theme=sleek] .options-dialog,html[data-theme=sleek] .flashcard-set-editor-page,html[data-theme=sleek] .student-class-list-pane{background:#fffffff0;border:1px solid var(--line);border-radius:var(--radius-panel);box-shadow:var(--shadow)}html[data-theme=sleek] .dialog-close{position:relative;display:grid;place-items:center;flex:0 0 36px;width:36px;height:36px;padding:0;font-size:0;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:50%;font-family:var(--sleek-font-sans);font-weight:400;line-height:0;box-shadow:0 3px 10px #0f172a0d}html[data-theme=sleek] .dialog-close:before,html[data-theme=sleek] .dialog-close:after{position:absolute;top:50%;left:50%;width:14px;height:1.5px;border-radius:999px;background:currentColor;content:"";transform-origin:center}html[data-theme=sleek] .dialog-close:before{transform:translate(-50%,-50%) rotate(45deg)}html[data-theme=sleek] .dialog-close:after{transform:translate(-50%,-50%) rotate(-45deg)}html[data-theme=sleek] .dialog-close:hover,html[data-theme=sleek] .dialog-close:focus-visible{color:var(--sleek-indigo-strong);background:var(--sleek-indigo-soft);border-color:#4f46e53d}html[data-theme=sleek] .library-tabs,html[data-theme=sleek] .quizlet-import-tabs,html[data-theme=sleek] .settings-tabs{background:#ffffffc7;border:1px solid var(--line);border-radius:var(--radius-panel);box-shadow:0 6px 18px #0f172a0b}html[data-theme=sleek] .library-tabs button,html[data-theme=sleek] .quizlet-import-tabs button,html[data-theme=sleek] .settings-tabs button,html[data-theme=sleek] .student-class-list-pane button,html[data-theme=sleek] .studio-sidebar button{border-radius:12px}html[data-theme=sleek] .library-tabs button:hover,html[data-theme=sleek] .quizlet-import-tabs button:hover,html[data-theme=sleek] .settings-tabs button:hover,html[data-theme=sleek] .student-class-list-pane button:hover,html[data-theme=sleek] .student-class-list-pane button.selected{color:var(--sleek-indigo-strong);background:var(--sleek-indigo-soft)}html[data-theme=sleek] .library-tabs button.selected,html[data-theme=sleek] .quizlet-import-tabs button.selected,html[data-theme=sleek] .settings-tabs button.selected,html[data-theme=sleek] .class-view-option.selected,html[data-theme=sleek] .student-content-tabs button.selected{color:#fff;background:var(--sleek-indigo);box-shadow:0 5px 14px #4f46e533}html[data-theme=sleek] .settings-profile,html[data-theme=sleek] .assignment-box,html[data-theme=sleek] .studio-sidebar{background:#f8fafc}html[data-theme=sleek] .student-content-tabs{border-bottom:0}html[data-theme=sleek] .student-content-tabs [role=tablist]{width:fit-content;max-width:100%;margin-inline:auto;padding:4px;gap:3px;background:#fff;border:1px solid var(--line);border-radius:999px;box-shadow:0 5px 15px #0f172a0d}html[data-theme=sleek] .student-content-tabs button{min-height:30px;padding:0 14px;border:0;border-radius:999px}html[data-theme=sleek] .student-content-tabs button:hover{color:var(--sleek-indigo-strong);background:var(--sleek-indigo-soft)}html[data-theme=sleek] .flashcard-set-browser:not(.compact) .flashcard-set-item:hover,html[data-theme=sleek] .flashcard-set-browser:not(.compact) .flashcard-set-item:focus-visible{background:#fff}html[data-theme=sleek] :where(.icon-button,.flashcard-set-editor-menu-button,.card-menu-button,.class-menu-button,.add-assignment-button,.flashcard-preview-toggle,.flashcard-audio-button,.flashcard-star-button){color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 3px 10px #0f172a0d}html[data-theme=sleek] :where(.icon-button,.flashcard-set-editor-menu-button,.card-menu-button,.class-menu-button,.add-assignment-button,.flashcard-preview-toggle,.flashcard-audio-button,.flashcard-star-button):hover:not(:disabled),html[data-theme=sleek] :where(.flashcard-set-editor-menu-button,.card-menu-button,.class-menu-button,.add-assignment-button,.flashcard-preview-toggle)[aria-expanded=true]{color:var(--sleek-indigo-strong);background:var(--sleek-indigo-soft);border-color:#4f46e53d;transform:translateY(-1px)}html[data-theme=sleek] :where(.flashcard-set-editor-menu,.card-menu,.class-menu,.audio-upload-menu,.add-assignment-menu){background:#fffffffa;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}html[data-theme=sleek] .flashcard,html[data-theme=sleek] .flashcard-face{border-radius:22px}html[data-theme=sleek] .flashcard-face{border:1px solid var(--line);box-shadow:0 18px 44px #0f172a1a}html[data-theme=sleek] .flashcard-front{color:var(--ink);background:#fff}html[data-theme=sleek] .flashcard-back{color:var(--ink);background:var(--sleek-indigo-soft)}html[data-theme=sleek] .card-side-label{color:var(--muted);background:transparent;border:0;box-shadow:none}html[data-theme=sleek] .card-front-cell strong,html[data-theme=sleek] .card-front-input{font-size:16px;line-height:22px}html[data-theme=sleek] .card-back-input{color:#52655f}html[data-theme=sleek] .flashcard strong{color:var(--ink)}html[data-theme=sleek] .flashcard-audio-button,html[data-theme=sleek] .autoplay-button{color:var(--ink);background:#fff;border:1px solid var(--line);box-shadow:0 3px 10px #0f172a0d}html[data-theme=sleek] .autoplay-button.playing,html[data-theme=sleek] .flashcard-preview-toggle.active{color:#fff;background:var(--sleek-indigo);border-color:var(--sleek-indigo)}html[data-theme=sleek] .platform-table-wrap{background:transparent;border:1px solid var(--line);border-radius:var(--radius-card)}html[data-theme=sleek] .platform-table th{color:var(--muted);background:#f8fafc}html[data-theme=sleek] .platform-table tbody tr:nth-child(2n) td{background:transparent}html[data-theme=sleek] .account-dropdown{background:#fffffffa;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);font-family:var(--sleek-font-sans)}html[data-theme=sleek] .account-dropdown button,html[data-theme=sleek] .account-dropdown-profile strong,html[data-theme=sleek] .account-dropdown-profile span{font-family:var(--sleek-font-sans);font-weight:400}html[data-theme=sleek] .account-dropdown button:hover,html[data-theme=sleek] .account-dropdown button:focus-visible{background:var(--sleek-indigo-soft)}html[data-theme=sleek] .flashcard-preview-options-panel{background:#fffffffa;border-color:var(--line);border-radius:18px;box-shadow:var(--shadow)}html[data-theme=sleek] .study{--teacher-editor-border-total: 0px}html[data-theme=sleek] .website-information{color:var(--muted);background:#ffffffd1;border-top-color:var(--line);font-family:var(--sleek-font-sans)}html[data-theme=sleek] .website-information-link{color:var(--sleek-indigo-strong)}html[data-theme=sleek] .account-avatar{color:var(--sleek-indigo-strong);background:var(--sleek-indigo-soft);border-color:#4f46e533;box-shadow:0 4px 12px #4f46e51f}@media(max-width:720px){html[data-theme=sleek] .topbar{min-height:0;padding:10px 14px 8px;row-gap:7px}html[data-theme=sleek] .topnav{min-width:0;overflow-x:auto}html[data-theme=sleek] .topnav button{padding-inline:11px}html[data-theme=sleek] .topbar .account{justify-content:flex-end}html[data-theme=sleek] .account-dropdown{right:0;left:auto}html[data-theme=sleek] .page{width:min(100% - 28px,1180px);padding-top:30px}html[data-theme=sleek] .page-heading,html[data-theme=sleek] .page-heading.compact{padding:22px;border-radius:20px}html[data-theme=sleek] .student-content-tabs [role=tablist]{margin-inline:0}}.settings-tabs button,.quizlet-import-tabs button{display:flex;align-items:center;gap:10px}html[data-theme=sleek] :is(.settings-tabs,.library-tabs,.quizlet-import-tabs,.student-class-list-pane){-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html[data-theme=sleek] :is(.settings-tabs,.library-tabs,.quizlet-import-tabs,.student-class-list-pane) button{font-size:12px;font-weight:600;letter-spacing:0;gap:10px}html[data-theme=sleek] :is(.settings-tabs,.library-tabs,.quizlet-import-tabs,.student-class-list-pane) button:not(.selected):not(:hover){color:#475569}html[data-theme=sleek] :is(.settings-tabs,.library-tabs,.quizlet-import-tabs,.student-class-list-pane) .sidebar-label{color:#94a3b8;font-size:10px;font-weight:800;letter-spacing:.05em}html[data-theme=sleek] :is(.settings-tabs,.library-tabs,.quizlet-import-tabs,.student-class-list-pane) .resource-icon{width:16px;height:16px;flex-shrink:0;color:#94a3b8}html[data-theme=sleek] :is(.settings-tabs,.library-tabs,.quizlet-import-tabs,.student-class-list-pane) button.selected .resource-icon{color:inherit}@media(max-width:760px){.platform-workspace{grid-template-columns:minmax(0,1fr);gap:16px}.settings-tabs button,.quizlet-import-tabs button{justify-content:center}}@media(min-width:1100px){html[data-theme=sleek] .workspace-frame{padding-left:var(--sleek-sidebar-width)}html[data-theme=sleek] .workspace-context-classes .student-classroom,html[data-theme=sleek] .workspace-context-library .library-workspace,html[data-theme=sleek] .workspace-context-platform .platform-workspace,html[data-theme=sleek] .workspace-context-import .quizlet-import-workspace{grid-template-columns:minmax(0,1fr)}html[data-theme=sleek] .workspace-context-classes .student-class-list-pane,html[data-theme=sleek] .workspace-context-library .library-tabs,html[data-theme=sleek] .workspace-context-platform .platform-tabs,html[data-theme=sleek] .workspace-context-import .quizlet-import-tabs{position:fixed;z-index:45;inset:112px auto 84px 0;width:var(--sleek-sidebar-width);min-height:0;max-height:none;overflow-y:auto;padding:16px;border:0;border-radius:0;background:#fff;box-shadow:none;pointer-events:none}html[data-theme=sleek] .workspace-context-classes .student-class-list-pane>[role=listbox],html[data-theme=sleek] .workspace-context-library .library-tabs>[role=tablist],html[data-theme=sleek] .workspace-context-platform .platform-tabs>[role=tablist],html[data-theme=sleek] .workspace-context-import .quizlet-import-tabs>[role=tablist]{pointer-events:auto}html[data-theme=sleek] .workspace-context-classes .student-class-list-pane{display:block}html[data-theme=sleek] .workspace-context-classes .student-class-list-pane,html[data-theme=sleek] .workspace-context-library .library-tabs,html[data-theme=sleek] .workspace-context-import .quizlet-import-tabs{font-size:12px}html[data-theme=sleek] .workspace-context-classes .student-class-list-pane .sidebar-label,html[data-theme=sleek] .workspace-context-library .library-tabs .sidebar-label,html[data-theme=sleek] .workspace-context-platform .platform-tabs .sidebar-label,html[data-theme=sleek] .workspace-context-import .quizlet-import-tabs .sidebar-label{padding-inline:10px}html[data-theme=sleek] .workspace-context-classes .student-classroom-panel,html[data-theme=sleek] .workspace-context-library .library-panel,html[data-theme=sleek] .workspace-context-import .quizlet-import-panel{min-width:0}html[data-theme=sleek] .workspace-frame .topbar{position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;align-items:stretch;gap:24px;width:var(--sleek-sidebar-width);height:100dvh;min-height:0;padding:24px 16px 16px;overflow-y:auto;background:#fff;border:0;border-right:1px solid var(--line);box-shadow:none}html[data-theme=sleek] .workspace-frame .topbar.account-menu-is-open{backdrop-filter:none;-webkit-backdrop-filter:none}html[data-theme=sleek] .workspace-frame:is(.workspace-context-classes,.workspace-context-library,.workspace-context-platform,.workspace-context-import) .topbar.account-menu-is-open{z-index:70;pointer-events:none;background:linear-gradient(to bottom,#ffffff 0,#ffffff 112px,transparent 112px,transparent calc(100% - 84px),#ffffff calc(100% - 84px),#ffffff 100%)}html[data-theme=sleek] .workspace-frame:is(.workspace-context-classes,.workspace-context-library,.workspace-context-platform,.workspace-context-import) .topbar.account-menu-is-open>:is(.wordmark,.account){pointer-events:auto}html[data-theme=sleek] .workspace-frame .topbar>.wordmark{align-self:flex-start;flex-shrink:0;margin:0 8px}html[data-theme=sleek] .workspace-main-navigation{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:center;min-height:76px;padding:8px 24px;background:#ffffffdb;border-bottom:1px solid rgba(226,232,240,.9);box-shadow:0 1px #ffffffe6;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}html[data-theme=sleek] .workspace-main-navigation .topnav{flex:0 1 auto;min-width:0}html[data-theme=sleek] .workspace-settings-navigation{display:block;flex-shrink:0;padding-top:20px;border-top:1px solid var(--line)}html[data-theme=sleek] .workspace-settings-navigation .settings-tabs{position:static;padding:0;border:0;border-radius:0;background:transparent;box-shadow:none}html[data-theme=sleek] .workspace-settings-navigation .sidebar-label{color:#94a3b8;font-size:10px;font-weight:800;letter-spacing:.05em}html[data-theme=sleek] .workspace-frame .settings-layout{grid-template-columns:minmax(0,1fr);max-width:896px;margin-inline:auto}html[data-theme=sleek] .workspace-frame .settings-layout>.settings-tabs{display:none}html[data-theme=sleek] .workspace-frame .topbar>.account{position:relative;z-index:60;display:block;flex-shrink:0;width:100%;margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}html[data-theme=sleek] .workspace-frame .account-options-button{width:100%;text-align:left}html[data-theme=sleek] .workspace-account-identity{display:grid;flex:1;min-width:0;gap:4px;color:var(--muted);font-size:10px}html[data-theme=sleek] .workspace-account-identity strong{overflow:hidden;color:var(--ink);font-size:12px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}html[data-theme=sleek] .workspace-frame .account-dropdown{top:auto;right:0;bottom:calc(100% + 10px);width:100%}}@media(max-width:1099px){html[data-theme=sleek] .workspace-main-navigation{display:flex;min-width:0;padding:0 14px 8px;background:#ffffffdb;border-bottom:1px solid rgba(226,232,240,.9)}html[data-theme=sleek] .workspace-main-navigation .topnav{flex:1 1 auto;min-width:0;overflow-x:auto;justify-content:flex-start}}html[data-theme=sleek] .topnav{height:auto;padding:0;gap:22px;background:transparent;border:0;border-radius:0;box-shadow:none}html[data-theme=sleek] .topnav button,html[data-theme=sleek] .topnav button.active{min-height:40px;padding:0 4px;color:var(--muted);background:transparent;border:0;border-radius:0;font-family:var(--sleek-font-sans);font-size:13px;font-weight:600;letter-spacing:-.01em;line-height:1;box-shadow:none}html[data-theme=sleek] .topnav button:hover{color:var(--sleek-indigo-strong);background:transparent}html[data-theme=sleek] .topnav button.active{color:var(--ink)}html[data-theme=sleek] .topnav button.active:after{display:block;right:4px;bottom:0;left:4px;height:2px;border-radius:2px;background:var(--sleek-indigo)}html[data-theme=sleek] .topnav button:focus-visible{outline:0;border-radius:6px;box-shadow:0 0 0 3px #4f46e526}html[data-theme=sleek] .workspace-frame :is(main,.options-dialog) h1{font-weight:var(--sleek-weight-heading);letter-spacing:-.025em}html[data-theme=sleek] .workspace-frame :is(main,.options-dialog) :is(h2,h3){font-weight:var(--sleek-weight-title);letter-spacing:-.015em}html[data-theme=sleek] :is(.class-summary-heading h3,.flashcard-set-item-copy strong,.student-material-heading h3,.student-classmate-card h3,.quizlet-image-set-copy strong,.settings-profile strong,.platform-table strong){font-family:var(--sleek-font-sans);font-weight:var(--sleek-weight-title);letter-spacing:0}html[data-theme=sleek] .workspace-frame main :is(.class-summary-heading h3,.student-material-heading h3,.student-classmate-card h3){letter-spacing:0}html[data-theme=sleek] :is(.class-summary-meta,.resource-metadata,.flashcard-set-item-copy small,.student-class-meta,.resource-dates),html[data-theme=sleek] :is(.library-panel,.options-dialog) .resource-owner{font-weight:var(--sleek-weight-body);letter-spacing:0}html[data-theme=sleek] :is(.student-material-kind,.student-material-progress,.platform-table th,.settings-panel .field-label,.platform-section .field-group label,.class-dialog .dialog-field){font-weight:var(--sleek-weight-label)}html[data-theme=sleek] .workspace-frame main .eyebrow,html[data-theme=sleek] .workspace-frame .assignment-box-heading h3{font-weight:var(--sleek-weight-title);letter-spacing:.08em}html[data-theme=sleek] .workspace-frame :is(main,.options-dialog) :is(.primary-button,.secondary-button,.danger-button,.student-content-tabs button,.website-style-select-trigger,.website-style-select-option){font-weight:var(--sleek-weight-title);letter-spacing:0}html[data-theme=sleek] .workspace-frame main :is(input,textarea,select){font-weight:var(--sleek-weight-body)}html[data-theme=sleek] .resource-list-toolbar>.primary-button,html[data-theme=sleek] .workspace-frame main .resource-list-toolbar>.primary-button{min-height:43px;height:43px;padding:0 13px;color:#fff;background:var(--sleek-indigo);border-color:var(--sleek-indigo);border-radius:10px;box-shadow:0 3px 10px #4f46e529;font-family:var(--sleek-font-sans);font-size:12px;font-weight:var(--sleek-weight-label);letter-spacing:0}html[data-theme=sleek] .resource-list-toolbar>.primary-button:hover,html[data-theme=sleek] .workspace-frame main .resource-list-toolbar>.primary-button:hover{color:#fff;background:var(--sleek-indigo-strong);border-color:var(--sleek-indigo-strong);box-shadow:0 5px 13px #4f46e538;transform:translateY(-1px)}html[data-theme=sleek] .add-assignment-button{position:relative;display:inline-grid;place-items:center;width:28px;height:28px;min-height:28px;padding:0;border-radius:50%;font-family:var(--sleek-font-sans);font-size:0;font-weight:var(--sleek-weight-body);line-height:0}html[data-theme=sleek] .add-assignment-button:before,html[data-theme=sleek] .add-assignment-button:after{position:absolute;top:50%;left:50%;width:10px;height:1.5px;border-radius:999px;background:currentColor;content:"";pointer-events:none;transform:translate(-50%,-50%)}html[data-theme=sleek] .add-assignment-button:after{transform:translate(-50%,-50%) rotate(90deg)}html[data-theme=sleek] .flashcard{border:0;box-shadow:none}html[data-theme=sleek] .flashcard-face{box-shadow:0 12px 30px #0f172a12}html[data-theme=sleek] .card-index,html[data-theme=sleek] .new-card-number{color:var(--sleek-indigo-strong);background:var(--sleek-indigo-soft);border:0;box-shadow:none;font-weight:var(--sleek-weight-label)}html[data-color-scheme=dark]{color-scheme:dark;--focus-ring: rgba(125, 211, 252, .42);--tab-selected-ink: #ffffff;--shadow: 0 18px 50px rgba(0, 0, 0, .28);--shadow-panel: 0 18px 50px rgba(0, 0, 0, .28);--shadow-card: 0 10px 28px rgba(0, 0, 0, .24)}html[data-color-scheme=dark][data-theme=effective-learning]{--ink: #f5efe5;--muted: #b7aa9d;--paper: #20262f;--canvas: #111820;--green: #f5b83d;--green-dark: #d89218;--mint: #3b3020;--line: #3b4652;--coral: #f49a7f;--blue: #53bfe3;--blue-soft: #1d3947;--yellow: #e9a92f;--yellow-soft: #40331f;--cocoa: #f5efe5;--sage: #9bc798;--surface-inset: #2b3038;--surface-alt: #1b2a34;--border-strong: #b6872c}html[data-color-scheme=dark][data-theme=simple]{--ink: #e7f1ec;--muted: #a4b7ae;--paper: #1b2824;--canvas: #111b18;--green: #58b99b;--green-dark: #3f987e;--mint: #1e3e34;--line: #354942;--coral: #ef927d;--blue: #65b8d4;--blue-soft: #193541;--yellow: #d5b477;--yellow-soft: #273530;--cocoa: #e7f1ec;--sage: #7fc2a0;--surface-inset: #202e29;--surface-alt: #17231f;--border-strong: #466157}html[data-color-scheme=dark][data-theme=modern]{--modern-accent: #f08368;--modern-button-fill: #303744;--modern-button-fill-hover: #3b4555;--modern-button-ink: #dce3ed;--modern-button-border: #4c586b;--modern-button-shadow: inset 0 1px 0 rgba(255, 255, 255, .08), 0 4px 12px rgba(0, 0, 0, .22);--modern-control-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), 0 2px 7px rgba(0, 0, 0, .18);--modern-surface-shadow: inset 0 1px 0 rgba(255, 255, 255, .05), 0 12px 34px rgba(0, 0, 0, .24);--ink: #f1f2f3;--muted: #a8adb4;--paper: rgba(31, 34, 39, .96);--canvas: #17191d;--green: var(--modern-accent);--green-dark: #d35d47;--mint: #332823;--line: rgba(230, 235, 242, .16);--coral: var(--modern-accent);--blue: #8295f2;--blue-soft: #252b4b;--yellow: var(--modern-accent);--yellow-soft: #342721;--cocoa: var(--ink);--sage: #8fb3a4;--surface-inset: #23262b;--surface-alt: #202329;--border-strong: #596577}html[data-color-scheme=dark][data-theme=sleek]{--sleek-indigo: #818cf8;--sleek-indigo-strong: #a5b4fc;--sleek-indigo-soft: #242554;--sleek-coral: #fb8067;--sleek-coral-soft: #3b2423;--sleek-action: #f8fafc;--sleek-action-hover: #e2e8f0;--ink: #e5e7eb;--muted: #9aa9bd;--paper: rgba(15, 23, 42, .96);--canvas: #070d18;--green: var(--sleek-indigo);--green-dark: var(--sleek-indigo-strong);--mint: var(--sleek-indigo-soft);--line: #2c3a51;--coral: var(--sleek-coral);--blue: #8b96ff;--blue-soft: var(--sleek-indigo-soft);--yellow: var(--sleek-coral);--yellow-soft: var(--sleek-coral-soft);--cocoa: var(--ink);--sage: #5eead4;--surface-inset: #111b2e;--surface-alt: #0d1627;--border-strong: #40516e}html[data-color-scheme=dark] body{color:var(--ink);background-color:var(--canvas);background-image:radial-gradient(circle at 14% 9%,color-mix(in srgb,var(--yellow) 11%,transparent),transparent 21%),radial-gradient(circle at 90% 78%,color-mix(in srgb,var(--blue) 9%,transparent),transparent 24%)}html[data-color-scheme=dark] .auth-story{color:var(--ink);background:var(--canvas)}html[data-color-scheme=dark] .auth-story:after{color:var(--ink);background:var(--blue-soft);border-color:var(--line);box-shadow:-10px 10px 0 var(--yellow)}html[data-color-scheme=dark] .flashcard-front{color:var(--ink);background:var(--surface-alt)}html[data-color-scheme=dark] .flashcard-back{color:var(--ink);background:linear-gradient(135deg,color-mix(in srgb,white 6%,transparent),transparent 42%),var(--blue-soft)}html[data-color-scheme=dark] .workspace-main-navigation{background:color-mix(in srgb,var(--paper) 90%,transparent);border-bottom-color:var(--line)}html[data-color-scheme=dark] :is(.eyebrow,.sidebar-label,.lesson-meta){color:var(--green)}html[data-color-scheme=dark] :is(.notice.error,.form-error){color:var(--coral);background:color-mix(in srgb,var(--coral) 14%,var(--paper))}html[data-color-scheme=dark] :is(.notice.success,.status-active){color:var(--sage);background:color-mix(in srgb,var(--sage) 14%,var(--paper))}html[data-color-scheme=dark] :is(h1,h2,h3,strong,.field-label,.auth-form-wrap label){color:var(--ink)}html[data-color-scheme=dark] .topbar{color:var(--ink);background:color-mix(in srgb,var(--paper) 92%,transparent);border-bottom-color:var(--line)}html[data-color-scheme=dark] .topnav,html[data-color-scheme=dark] .segmented,html[data-color-scheme=dark] .library-tabs,html[data-color-scheme=dark] .settings-tabs,html[data-color-scheme=dark] .quizlet-import-tabs{background:var(--yellow-soft);border-color:var(--line)}html[data-color-scheme=dark] .topnav button,html[data-color-scheme=dark] .account-options-button,html[data-color-scheme=dark] .text-button,html[data-color-scheme=dark] .wordmark,html[data-color-scheme=dark] .wordmark.light{color:var(--ink)}html[data-color-scheme=dark] .topnav button.active,html[data-color-scheme=dark] .library-tabs button.selected,html[data-color-scheme=dark] .settings-tabs button.selected,html[data-color-scheme=dark] .segmented button.selected{color:var(--tab-selected-ink);background:var(--tab-selected-fill)}html[data-color-scheme=dark] :is(.page-heading,.lesson-card,.empty-state,.auth-panel,.auth-form-wrap,.studio,.studio-content,.platform-section,.platform-card,.settings-panel,.settings-profile,.options-dialog,.flashcard-set-editor-page,.class-summary-card,.folder-summary-card,.flashcard-set-item,.student-class-card,.student-material-card,.student-classmate-card,.account-dropdown,.website-style-select-menu){color:var(--ink);background:var(--paper);border-color:var(--line)}html[data-color-scheme=dark] :is(.page-heading>div>p:last-child,.lesson-card-body>p,.library-panel-heading>div>p:last-child,.resource-assignment-summary,.sidebar-empty,.settings-panel-heading>p:last-child,.settings-section-heading>p:last-child,.field-help,.resource-owner,.resource-metadata,.resource-dates,.flashcard-set-item-copy small){color:var(--muted)}html[data-color-scheme=dark] :is(.auth-form-wrap input,.field-group input,.field-group textarea,.field-group select,.options-dialog select,.invitation-title-row select,.platform-table select,.resource-list-toolbar input,.resource-list-toolbar select,.settings-language-select,.settings-color-mode-select){color:var(--ink);background:var(--surface-inset);border-color:var(--line)}html[data-color-scheme=dark] :is(.auth-form-wrap input::placeholder,.field-group input::placeholder,.field-group textarea::placeholder,.resource-list-toolbar input::placeholder){color:var(--muted)}html[data-color-scheme=dark] .studio-sidebar{color:var(--ink);background:var(--surface-inset);border-color:var(--line)}html[data-color-scheme=dark] .studio-sidebar button.selected,html[data-color-scheme=dark] .class-menu-button:hover,html[data-color-scheme=dark] .class-menu-button[aria-expanded=true]{color:var(--ink);background:var(--mint);border-color:var(--line);box-shadow:none}html[data-color-scheme=dark] :is(.card-editor-row,.card-editor-row:nth-child(2n),.flashcard-set-browser:not(.compact) .flashcard-set-item:nth-child(2n),.flashcard-set-browser:not(.compact) .flashcard-set-list.list .flashcard-set-item:nth-child(2n)){color:var(--ink);background:var(--paper);border-color:var(--line);box-shadow:var(--shadow-card)}html[data-color-scheme=dark] :is(.flashcard,.flashcard-face,.study){color:var(--ink);background-color:var(--paper);border-color:var(--line)}html[data-color-scheme=dark] .study{background:transparent;border-color:transparent}html[data-color-scheme=dark] :is(.icon-button,.flashcard-audio-button,.flashcard-star-button,.card-menu-button){color:var(--ink);background:var(--paper);border-color:var(--line)}html[data-color-scheme=dark] .card-index,html[data-color-scheme=dark] .new-card-number,html[data-color-scheme=dark] .lesson-number{color:var(--ink);background:var(--mint);border-color:var(--line)}html[data-color-scheme=dark] :is(.platform-table th,.platform-table td){color:var(--ink);border-color:var(--line)}html[data-color-scheme=dark] .platform-table tbody tr:nth-child(2n) td{background:var(--surface-alt)}html[data-color-scheme=dark] .website-information{color:var(--muted);background:color-mix(in srgb,var(--paper) 80%,transparent);border-color:var(--line)}html[data-color-scheme=dark] .website-information-link{color:var(--blue)}html[data-color-scheme=dark] .account-dropdown button:hover,html[data-color-scheme=dark] .account-dropdown button:focus-visible,html[data-color-scheme=dark] .class-menu button:hover,html[data-color-scheme=dark] .website-style-select-option:hover,html[data-color-scheme=dark] .website-style-select-option:focus-visible{background:var(--mint)}html[data-color-scheme=dark] .account-dropdown-profile,html[data-color-scheme=dark] .account-dropdown-actions{border-color:var(--line)}html[data-color-scheme=dark] .flashcard-set-browser:not(.compact) .flashcard-set-item:hover,html[data-color-scheme=dark] .flashcard-set-browser:not(.compact) .flashcard-set-item:focus-visible,html[data-color-scheme=dark] .flashcard-set-browser:not(.compact) .flashcard-set-item.selected{background:var(--paper);border-color:var(--green);box-shadow:var(--shadow)}html[data-color-scheme=dark] .resource-metadata-label{color:color-mix(in srgb,var(--muted) 74%,var(--canvas))}html[data-color-scheme=dark] .resource-metadata-value,html[data-color-scheme=dark] .resource-metadata-value time{color:color-mix(in srgb,var(--muted) 88%,var(--ink))}html[data-color-scheme=dark] .flashcard-set-status-icon,html[data-color-scheme=dark] .resource-count{color:var(--muted)}html[data-color-scheme=dark] .topbar{background:color-mix(in srgb,var(--paper) 96%,var(--canvas));border-bottom-color:var(--line);box-shadow:0 1px color-mix(in srgb,var(--line) 72%,transparent)}html[data-color-scheme=dark] .topnav{background:var(--surface-inset);border-color:var(--line);box-shadow:none}html[data-color-scheme=dark] :is(.segmented,.library-tabs,.settings-tabs,.quizlet-import-tabs){background:var(--paper);border-color:var(--line)}html[data-color-scheme=dark] .workspace-main-navigation{background:color-mix(in srgb,var(--paper) 96%,var(--canvas));border-bottom-color:var(--line);box-shadow:0 1px color-mix(in srgb,var(--line) 72%,transparent)}html[data-color-scheme=dark] .dialog-backdrop{background:#0309128a}html[data-color-scheme=dark] :is(.assignment-box,.settings-profile,.lesson-assignment,.quizlet-download-instructions,.quizlet-image-summary-item,.quizlet-image-set-option){background:var(--surface-inset);border-color:var(--line)}html[data-color-scheme=dark] :is(.class-dialog .dialog-field input,.add-assignment-panel>input,.options-dialog select){color:var(--ink);background:var(--surface-inset);border-color:var(--line);box-shadow:inset 0 1px color-mix(in srgb,white 5%,transparent)}html[data-color-scheme=dark] :is(.assigned-item,.add-assignment-option:hover,.add-assignment-button:hover,.add-assignment-button[aria-expanded=true]){background:var(--paper)}html[data-color-scheme=dark] .add-assignment-button{color:var(--ink);background:var(--surface-inset);border-color:var(--line)}html[data-color-scheme=dark] .dialog-close{color:var(--ink);background:var(--surface-inset);border-color:var(--line);box-shadow:none}html[data-color-scheme=dark] :is(.secondary-button,.forgot-button,.remember-button,.autoplay-button){color:var(--ink);background:var(--paper);border-color:var(--line);box-shadow:none}html[data-color-scheme=dark] :is(.secondary-button:hover:not(:disabled),.forgot-button:hover:not(:disabled),.remember-button:hover:not(:disabled),.autoplay-button:hover:not(:disabled)){color:var(--ink);background:var(--mint);border-color:var(--border-strong)}html[data-color-scheme=dark][data-theme=sleek] .workspace-frame .topbar,html[data-color-scheme=dark][data-theme=sleek] .workspace-context-classes .student-class-list-pane,html[data-color-scheme=dark][data-theme=sleek] .workspace-context-library .library-tabs,html[data-color-scheme=dark][data-theme=sleek] .workspace-context-platform .platform-tabs,html[data-color-scheme=dark][data-theme=sleek] .workspace-context-import .quizlet-import-tabs{color:var(--ink);background:var(--paper);border-color:var(--line)}html[data-color-scheme=dark][data-theme=sleek] .workspace-main-navigation,html[data-color-scheme=dark][data-theme=sleek] .workspace-settings-navigation{border-color:var(--line)}html[data-color-scheme=dark][data-theme=sleek] .workspace-settings-navigation .settings-tabs{background:transparent;border-color:transparent;box-shadow:none}html[data-color-scheme=dark][data-theme=sleek] .workspace-frame .topbar.account-menu-is-open{background:linear-gradient(to bottom,var(--paper) 0,var(--paper) 112px,transparent 112px,transparent calc(100% - 84px),var(--paper) calc(100% - 84px),var(--paper) 100%)}html[data-color-scheme=dark][data-theme=sleek] .topnav{background:transparent;border-color:transparent}html[data-color-scheme=dark][data-theme=sleek] .topnav button.active{color:var(--ink);background:transparent;border-color:transparent}html[data-color-scheme=dark][data-theme=sleek] .library-tabs button.selected,html[data-color-scheme=dark][data-theme=sleek] .settings-tabs button.selected,html[data-color-scheme=dark][data-theme=sleek] .quizlet-import-tabs button.selected{color:#fff;background:var(--sleek-indigo);border-color:var(--sleek-indigo)}html[data-color-scheme=dark][data-theme=sleek] .wordmark,html[data-color-scheme=dark][data-theme=sleek] .wordmark.light,html[data-color-scheme=dark][data-theme=sleek] .wordmark-name-penguin{color:var(--ink)}html[data-color-scheme=dark][data-theme=sleek] .wordmark-name-word{color:var(--sleek-indigo-strong)}html[data-color-scheme=dark][data-theme=sleek] .wordmark.light .wordmark-symbol{color:var(--sleek-indigo-strong);background:var(--sleek-indigo-soft)}html[data-color-scheme=dark][data-theme=sleek]{--sleek-action: #6366f1;--sleek-action-hover: #818cf8}html[data-color-scheme=dark][data-theme=sleek] .primary-button{color:#fff;background:var(--sleek-action);border-color:var(--sleek-action);box-shadow:0 4px 12px #6366f13d}html[data-color-scheme=dark][data-theme=sleek] .primary-button:hover:not(:disabled){color:#fff;background:var(--sleek-action-hover);border-color:var(--sleek-action-hover)}html[data-color-scheme=dark][data-theme=sleek] :where(input:not([type=checkbox]):not([type=radio]):not([type=range]),textarea,select){color:var(--ink);background:var(--surface-inset);border-color:var(--line);box-shadow:inset 0 1px color-mix(in srgb,white 5%,transparent)}html[data-color-scheme=dark][data-theme=sleek] :is(.settings-profile,.assignment-box,.studio-sidebar){background:var(--surface-inset)}html[data-color-scheme=dark][data-theme=sleek] :is(.icon-button,.flashcard-audio-button,.flashcard-star-button,.card-menu-button){color:var(--ink);background:var(--surface-inset);border-color:var(--line);box-shadow:none}html[data-color-scheme=dark][data-theme=sleek] .student-content-tabs [role=tablist],html[data-color-scheme=dark][data-theme=sleek] .flashcard-set-browser:not(.compact) .flashcard-set-item:hover,html[data-color-scheme=dark][data-theme=sleek] .flashcard-set-browser:not(.compact) .flashcard-set-item:focus-visible{background:var(--paper);border-color:var(--line);box-shadow:var(--shadow-card)}html[data-color-scheme=dark] :is(.website-style-select-trigger,.flashcard-set-editor-menu-button,.card-menu-button,.class-menu-button,.add-assignment-button,.flashcard-preview-toggle,.flashcard-audio-button,.flashcard-star-button,.icon-button,.autoplay-button){color:var(--ink);background:var(--surface-inset);border-color:var(--line);box-shadow:none}html[data-color-scheme=dark] .website-style-select-trigger:hover,html[data-color-scheme=dark] .website-style-select-trigger[aria-expanded=true]{color:var(--ink);background:var(--surface-inset);border-color:var(--border-strong);box-shadow:none}html[data-color-scheme=dark] .website-style-select-trigger:focus-visible{border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 28%,transparent)}html[data-color-scheme=dark] :is(.flashcard-set-editor-menu,.card-menu,.class-menu,.audio-upload-menu,.add-assignment-menu,.website-style-select-menu,.flashcard-preview-options-panel,.account-dropdown){color:var(--ink);background:var(--paper);border-color:var(--line);box-shadow:var(--shadow)}html[data-color-scheme=dark] :is(.flashcard-set-editor-menu button:hover:not(:disabled),.card-menu button:hover:not(:disabled),.class-menu button:hover:not(:disabled),.audio-upload-menu button:hover:not(:disabled),.add-assignment-option:hover,.account-dropdown button:hover,.account-dropdown button:focus-visible,.website-style-select-option:hover,.website-style-select-option:focus-visible,.website-style-select-option[aria-selected=true]){background:var(--mint)}html[data-color-scheme=dark] :is(.flashcard-set-editor-menu button.danger,.card-menu button.card-menu-delete,.class-menu button,.class-menu-error,.assigned-item-remove){color:var(--coral)}html[data-color-scheme=dark] :is(.card-menu button.card-menu-delete:hover,.class-menu button:hover,.assigned-item-remove:hover){color:var(--coral);background:color-mix(in srgb,var(--coral) 16%,var(--paper))}html[data-color-scheme=dark] .flashcard-preview-toggle.active,html[data-color-scheme=dark] .autoplay-button.playing{color:#fff;background:var(--blue);border-color:var(--blue)}html[data-color-scheme=dark] .flashcard-preview-option-field input,html[data-color-scheme=dark] .flashcard-preview-option-field select{color:var(--ink);background:var(--surface-inset);border-color:var(--line)}html[data-color-scheme=dark][data-theme] .platform-table th{color:var(--muted);background:var(--surface-inset)}html[data-theme] .flashcard-set-editor-page{background:transparent;border:0;border-radius:0;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}.flashcard-set-details-section .field-group.grow .flashcard-set-title-input{background:var(--surface-inset);border:1px solid var(--line);border-radius:var(--radius-control);padding:12px 13px;transition:border-color .16s ease,box-shadow .16s ease}.flashcard-set-details-section .field-group.grow .flashcard-set-title-input:hover:not(:disabled){border-color:var(--blue)}.flashcard-set-details-section .field-group.grow .flashcard-set-title-input:focus{border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 22%,transparent)}.auth-experience{--auth-ink: #172033;--auth-muted: #697790;--auth-line: #dfe5ef;--auth-accent: #4f46e5;--auth-paper: #ffffff;--auth-canvas: #f8f9fc;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(420px,.88fr);min-height:calc(100svh - 42px);color:var(--auth-ink);background:var(--auth-canvas);color-scheme:light}.site-frame>.auth-experience,.site-frame>.auth-experience .auth-story,.site-frame>.auth-experience .auth-panel{min-height:calc(100svh - 42px)}.auth-experience .auth-story,.auth-experience .auth-panel{box-sizing:border-box;min-width:0;color:var(--auth-ink)}.auth-experience .auth-story{position:relative;isolation:isolate;display:flex;flex-direction:column;justify-content:space-between;gap:20px;padding:28px clamp(28px,6vw,96px) 30px;background-color:#f7f6f5;background-image:linear-gradient(90deg,#fffffff0,#ffffffd6 39%,#ffffff29),url(/auth-reading-penguin.png);background-repeat:no-repeat;background-position:center,62% center;background-size:cover}.auth-experience .auth-story:before,.auth-experience .auth-story:after,.auth-experience .auth-panel:before{content:none;display:none}.auth-story-header{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:22px}.auth-experience .auth-brand{display:inline-flex;flex:0 0 auto;align-items:center;gap:12px;color:#172033;font-size:19px;font-weight:800;letter-spacing:-.035em;text-decoration:none}.auth-experience .auth-brand .wordmark-symbol{display:grid;width:42px;height:42px;overflow:hidden;place-items:center;border:1px solid rgba(79,70,229,.12);border-radius:13px;background:#fff;box-shadow:0 5px 14px #19274517}.auth-experience .auth-brand .wordmark-symbol img{width:31px;height:31px;object-fit:contain}.auth-top-links,.auth-link-footer{display:flex;align-items:center;gap:clamp(14px,2vw,30px)}.auth-placeholder-link{position:relative;display:inline-flex;align-items:center;min-height:36px;color:#45536d;font-size:14px;font-weight:600;text-decoration:none;white-space:nowrap}.auth-placeholder-link:hover,.auth-placeholder-link:focus-visible{color:var(--auth-accent);text-decoration:underline;text-underline-offset:4px}.auth-placeholder-link:focus-visible,.auth-language-control select:focus-visible,.auth-password-toggle:focus-visible{outline:3px solid rgba(79,70,229,.3);outline-offset:3px}.auth-tooltip{position:absolute;z-index:10;left:50%;bottom:calc(100% + 4px);padding:7px 10px;border:1px solid #dfe5ef;border-radius:7px;color:#fff;background:#172033;box-shadow:0 6px 16px #17203329;font-size:12px;font-weight:600;line-height:1.2;opacity:0;pointer-events:none;transform:translate(-50%,3px);transition:opacity .12s ease,transform .12s ease;visibility:hidden}.auth-placeholder-link:hover .auth-tooltip,.auth-placeholder-link:focus-visible .auth-tooltip{opacity:1;transform:translate(-50%);visibility:visible}.auth-story-stage{position:relative;z-index:1;width:min(100%,660px);margin-block:auto;padding-block:clamp(28px,5vh,56px)}.auth-experience .auth-copy{max-width:630px;animation:auth-story-arrive .24s ease both}.auth-experience .auth-copy .eyebrow{margin:0 0 20px;color:#34415e;font-size:12px;font-weight:800;letter-spacing:.28em;line-height:1.4;text-transform:uppercase}.auth-experience .auth-copy h1{max-width:620px;margin:0 0 18px;color:#172033;font-size:clamp(46px,5.15vw,76px);font-weight:800;letter-spacing:-.065em;line-height:1.02;text-wrap:pretty}.auth-experience .auth-copy h1:first-line{color:#172033}.auth-experience .auth-copy>p:last-child{max-width:510px;margin:0;color:#687791;font-size:clamp(15px,1.35vw,19px);font-weight:500;line-height:1.65}.auth-benefits{display:grid;gap:12px;margin-top:clamp(22px,3.5vh,36px)}.auth-benefit{display:flex;align-items:center;gap:14px;box-sizing:border-box;width:min(100%,320px);min-height:64px;min-width:0;padding:10px 12px}.auth-benefit-icon{display:grid;flex:0 0 44px;width:44px;height:44px;place-items:center;border-radius:50%}.auth-benefit-icon.book{color:#2563eb;background:#e4edff}.auth-benefit-icon.repeat{color:#17966b;background:#e0f4e9}.auth-benefit-icon.progress{color:#e57838;background:#fff0e2}.auth-benefit-icon svg{width:23px;height:23px;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.7}.auth-benefit>span:last-child{display:grid;gap:2px}.auth-experience .auth-benefit strong{color:#172033;font-size:16px;font-weight:800;line-height:1.35}.auth-benefit small{color:#586983;font-size:14px;line-height:1.4}.auth-story-indicator-wrap{position:relative;z-index:2;min-height:12px}.auth-story-indicators{display:flex;align-items:center;gap:8px;width:max-content}.auth-story-indicators span{display:block;width:27px;height:5px;border-radius:999px;background:#64748b3d;transition:width .18s ease,background-color .18s ease}.auth-story-indicators span.active{width:31px;background:var(--auth-accent)}.auth-experience .auth-panel{position:relative;display:grid;grid-template-rows:auto minmax(0,1fr) auto;align-items:center;justify-items:center;gap:10px;overflow:visible;padding:28px clamp(28px,5vw,76px) 26px;background:#fbfcfe}.auth-panel-header,.auth-link-footer{width:min(100%,500px)}.auth-panel-header{display:flex;align-items:center;justify-content:flex-end;min-height:38px}.auth-language-control{display:inline-flex;align-items:center;gap:9px;color:#4b5b76}.auth-language-control svg{width:19px;height:19px;flex:0 0 auto;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.7}.auth-experience .auth-language-control select{width:auto;min-width:92px;min-height:36px;margin:0;padding:6px 24px 6px 2px;border:0;border-radius:7px;color:#45536d;background-color:transparent;font:inherit;font-size:14px;font-weight:600;cursor:pointer}.auth-experience .auth-form-wrap{align-self:center;width:min(100%,500px);box-sizing:border-box;padding:clamp(28px,3.2vw,48px);color:var(--auth-ink);background:#fffffff0;border:1px solid #e4e9f1;border-radius:20px;box-shadow:0 20px 54px #18274b12}.auth-experience .auth-form-wrap .eyebrow{margin:0 0 10px;color:var(--auth-accent);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.auth-experience .auth-form-wrap h2{margin:0 0 22px;color:var(--auth-ink);font-size:clamp(29px,2.8vw,38px);font-weight:800;letter-spacing:-.05em;line-height:1.12}.auth-experience .auth-form-wrap .auth-form-help{color:var(--auth-muted);line-height:1.55}.auth-experience .auth-form-wrap .segmented{gap:4px;margin:0 0 24px;padding:4px;border:1px solid #dfe5ef;border-radius:12px;background:#f0f3ff}.auth-experience .auth-form-wrap .segmented button{min-height:38px;border:0;border-radius:9px;color:#65728a;background:transparent;font-weight:650}.auth-experience .auth-form-wrap .segmented button.selected{color:#fff;background:var(--auth-accent);box-shadow:0 2px 8px #4f46e533}.auth-experience .auth-form-wrap form label{gap:7px;margin-bottom:17px;color:#172033;font-size:13px;font-weight:650}.auth-experience .auth-form-wrap input{box-sizing:border-box;min-height:48px;padding:12px 14px;border:1px solid #dfe5ef;border-radius:11px;color:#172033;background:#fff;box-shadow:inset 0 1px 2px #18274b06;font-size:14px}.auth-experience .auth-form-wrap input::placeholder{color:#8995a9}.auth-experience .auth-form-wrap input:focus{border-color:#7770ed;outline:0;box-shadow:0 0 0 3px #4f46e521}.auth-password-input{position:relative;display:block}.auth-experience .auth-password-input input{padding-right:48px}.auth-password-toggle{position:absolute;top:50%;right:8px;display:grid;width:34px;height:34px;padding:7px;place-items:center;border:0;border-radius:7px;color:#64738c;background:transparent;cursor:pointer;transform:translateY(-50%)}.auth-password-toggle:hover{color:var(--auth-accent);background:#f0f3ff}.auth-password-toggle svg{width:19px;height:19px;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}.auth-experience .auth-forgot-link{display:block;margin:-5px 0 22px auto;padding:0;border:0;color:var(--auth-accent);background:transparent;font:inherit;font-size:13px;font-weight:650;cursor:pointer}.auth-experience .auth-forgot-link:hover,.auth-experience .bootstrap-link:hover{text-decoration:underline;text-underline-offset:3px}.auth-experience .auth-password-field{display:grid;gap:7px;margin-bottom:17px}.auth-experience .auth-password-field>label{margin:0;color:#172033;font-size:13px;font-weight:650}.auth-experience .auth-form-wrap .primary-button.full{min-height:48px;margin-top:4px;border:1px solid #4f46e5;border-radius:11px;color:#fff;background:linear-gradient(100deg,#5850ec,#3f43df);box-shadow:0 6px 14px #4f46e52b;font-size:15px;font-weight:700}.auth-experience .auth-form-wrap .primary-button.full:hover:not(:disabled){background:linear-gradient(100deg,#4b43dc,#373bcc);box-shadow:0 8px 18px #4f46e538}.auth-experience .auth-form-wrap .bootstrap-link{margin-top:18px;color:var(--auth-accent);font-size:13px;font-weight:650}.auth-link-footer{display:flex;justify-content:flex-end;gap:clamp(14px,2vw,28px);padding-top:8px}.auth-link-footer .auth-placeholder-link{min-height:30px;color:#77839a;font-size:12px;font-weight:550}.auth-link-footer .auth-tooltip{top:auto;bottom:calc(100% + 2px)}@keyframes auth-story-arrive{0%{opacity:.35;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@media(max-width:900px){.auth-experience{grid-template-columns:minmax(0,1fr)}.site-frame>.auth-experience,.site-frame>.auth-experience .auth-story{min-height:auto}.auth-experience .auth-story{min-height:600px;padding:24px clamp(24px,7vw,64px) 24px;background-position:center,62% 56%}.auth-story-stage{padding-block:34px 24px}.auth-experience .auth-panel{min-height:650px;padding:20px clamp(24px,8vw,80px) 24px}.auth-experience .auth-form-wrap{padding:clamp(26px,5vw,42px)}}@media(max-width:520px){.auth-experience .auth-story{min-height:650px;padding:18px 20px 22px;background-image:linear-gradient(90deg,#fffffff5,#ffffffd4,#ffffff38),url(/auth-reading-penguin.png);background-position:center,62% center}.auth-story-header{align-items:flex-start;gap:12px}.auth-experience .auth-brand{gap:8px;font-size:15px}.auth-experience .auth-brand .wordmark-symbol{width:36px;height:36px;border-radius:11px}.auth-experience .auth-brand .wordmark-symbol img{width:27px;height:27px}.auth-top-links{gap:10px}.auth-top-links .auth-placeholder-link{min-height:34px;font-size:11px}.auth-experience .auth-story-stage{padding-block:28px 18px}.auth-experience .auth-copy .eyebrow{margin-bottom:14px;font-size:10px;letter-spacing:.2em}.auth-experience .auth-copy h1{margin-bottom:14px;font-size:clamp(39px,11vw,52px)}.auth-experience .auth-copy>p:last-child{font-size:15px}.auth-benefits{gap:9px;margin-top:20px}.auth-benefit{min-height:57px;padding:8px 10px}.auth-benefit-icon{flex-basis:38px;width:38px;height:38px}.auth-experience .auth-benefit strong{font-size:15px}.auth-benefit small{font-size:13px}.auth-experience .auth-panel{min-height:590px;padding:14px 18px 18px}.auth-experience .auth-form-wrap{padding:26px 22px;border-radius:17px}.auth-experience .auth-form-wrap h2{font-size:30px}.auth-link-footer{justify-content:center;gap:20px}}@media(prefers-reduced-motion:reduce){.auth-experience *,.auth-experience *:before,.auth-experience *:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}.auth-experience .auth-copy{animation:none!important}}html[data-theme] .auth-experience.auth-layout{grid-template-columns:minmax(0,1.12fr) minmax(420px,.88fr);color:var(--auth-ink);background:var(--auth-canvas)}html[data-theme] .auth-experience .auth-story{display:flex;min-height:calc(100svh - 42px);color:var(--auth-ink);background-color:#f7f6f5;background-image:linear-gradient(90deg,#fffffff0,#ffffffd6 39%,#ffffff29),url(/auth-reading-penguin.png);background-repeat:no-repeat;background-position:center,62% center;background-size:cover}html[data-theme] .auth-experience .auth-copy .eyebrow{color:#34415e}html[data-theme] .auth-experience .auth-copy h1{color:#172033}html[data-theme] .auth-experience .auth-copy>p:last-child{color:#687791}html[data-theme] .auth-experience .auth-brand{color:#172033;font-size:19px}html[data-theme] .auth-experience .auth-form-wrap{width:min(100%,500px);box-sizing:border-box;padding:clamp(28px,3.2vw,48px);background:#fffffff0;border:1px solid #e4e9f1;border-radius:20px;box-shadow:0 20px 54px #18274b12}@media(max-width:900px){html[data-theme] .auth-experience.auth-layout{grid-template-columns:minmax(0,1fr)}html[data-theme] .auth-experience .auth-story{display:flex;min-height:600px;background-position:center,62% 56%}html[data-theme] .auth-experience .auth-panel{min-height:650px}}@media(max-width:720px){html[data-theme] .auth-experience .auth-panel{min-height:650px;padding:20px clamp(24px,8vw,80px) 24px}}@media(max-width:520px){html[data-theme] .auth-experience .auth-story{min-height:650px;background-image:linear-gradient(90deg,#fffffff5,#ffffffd4,#ffffff38),url(/auth-reading-penguin.png);background-position:center,30% center}html[data-theme] .auth-experience .auth-story-header{flex-wrap:wrap}html[data-theme] .auth-experience .auth-brand{gap:8px;font-size:15px}html[data-theme] .auth-experience .auth-top-links{width:100%;justify-content:flex-start;gap:20px}html[data-theme] .auth-experience .auth-top-links .auth-placeholder-link{font-size:12px}html[data-theme] .auth-experience .auth-story-stage,html[data-theme] .auth-experience .auth-copy{max-width:280px}html[data-theme] .auth-experience .auth-copy h1{max-width:275px}html[data-theme] .auth-experience .auth-copy>p:last-child{max-width:270px}html[data-theme] .auth-experience .auth-panel{min-height:590px;padding:14px 18px 18px}}html[data-theme] .auth-experience .auth-password-field{display:grid;gap:7px;margin-bottom:17px}html[data-theme] .auth-experience .auth-password-field>label{margin:0;color:#172033;font-size:13px;font-weight:650}html[data-color-scheme=dark] .auth-experience{--auth-ink: var(--ink);--auth-muted: var(--muted);--auth-line: var(--line);--auth-accent: var(--blue);--auth-paper: var(--paper);--auth-canvas: var(--canvas);color:var(--auth-ink);color-scheme:dark;background:var(--auth-canvas)}html[data-color-scheme=dark] .auth-experience .auth-story{color:var(--auth-ink);background-color:var(--auth-canvas);background-image:linear-gradient(90deg,color-mix(in srgb,var(--auth-canvas) 97%,transparent),color-mix(in srgb,var(--auth-canvas) 89%,transparent) 46%,color-mix(in srgb,var(--auth-canvas) 68%,transparent)),url(/auth-reading-penguin.png)}html[data-color-scheme=dark] .auth-experience .auth-brand{color:var(--auth-ink)}html[data-color-scheme=dark] .auth-experience .auth-brand .wordmark-symbol,html[data-color-scheme=dark][data-theme=sleek] .auth-experience .auth-brand .wordmark-symbol{border:0;background:#fff;box-shadow:none}html[data-color-scheme=dark] .auth-experience .auth-brand .wordmark-symbol img{width:42px;height:42px}html[data-color-scheme=dark] .auth-experience .auth-top-links .auth-placeholder-link,html[data-color-scheme=dark] .auth-experience .auth-link-footer .auth-placeholder-link{color:var(--auth-muted)}html[data-color-scheme=dark] .auth-experience .auth-placeholder-link:hover,html[data-color-scheme=dark] .auth-experience .auth-placeholder-link:focus-visible{color:var(--auth-ink)}html[data-color-scheme=dark] .auth-experience .auth-tooltip{color:var(--auth-ink);background:var(--paper);border-color:var(--line)}html[data-color-scheme=dark] .auth-experience .auth-copy .eyebrow{color:var(--auth-accent)}html[data-color-scheme=dark] .auth-experience .auth-copy h1{color:var(--auth-ink)}html[data-color-scheme=dark] .auth-experience .auth-copy h1:first-line{color:var(--auth-ink)}html[data-color-scheme=dark] .auth-experience .auth-copy>p:last-child{color:var(--auth-muted)}html[data-color-scheme=dark] .auth-experience .auth-benefit{border-radius:14px;background:color-mix(in srgb,var(--canvas) 50%,transparent);box-shadow:0 8px 24px #0000002e;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}html[data-color-scheme=dark] .auth-experience .auth-benefit-icon.book{color:var(--blue);background:var(--blue-soft)}html[data-color-scheme=dark] .auth-experience .auth-benefit-icon.repeat{color:var(--sage);background:color-mix(in srgb,var(--sage) 16%,var(--paper))}html[data-color-scheme=dark] .auth-experience .auth-benefit-icon.progress{color:var(--coral);background:color-mix(in srgb,var(--coral) 16%,var(--paper))}html[data-color-scheme=dark] .auth-experience .auth-benefit strong{color:var(--ink);font-size:16px;font-weight:800}html[data-color-scheme=dark] .auth-experience .auth-benefit small{color:var(--muted);font-size:14px}html[data-color-scheme=dark] .auth-experience .auth-story-indicators span{background:color-mix(in srgb,var(--ink) 28%,transparent)}html[data-color-scheme=dark] .auth-experience .auth-story-indicators span.active{background:var(--auth-accent)}html[data-color-scheme=dark] .auth-experience .auth-panel{color:var(--auth-ink);background:var(--auth-canvas);border-left:1px solid var(--line)}html[data-color-scheme=dark] .auth-experience .auth-language-control{color:var(--auth-muted)}html[data-color-scheme=dark] .auth-experience .auth-language-control select{color:var(--auth-ink)}html[data-color-scheme=dark] .auth-experience .auth-form-wrap{color:var(--auth-ink);background:var(--auth-paper);border-color:var(--auth-line);box-shadow:0 20px 54px #00000047}html[data-color-scheme=dark] .auth-experience .auth-form-wrap h2,html[data-color-scheme=dark] .auth-experience .auth-form-wrap form label,html[data-color-scheme=dark] .auth-experience .auth-password-field>label{color:var(--auth-ink)}html[data-color-scheme=dark] .auth-experience .auth-form-wrap .segmented{background:var(--surface-alt);border-color:var(--auth-line)}html[data-color-scheme=dark] .auth-experience .auth-form-wrap .segmented button{color:var(--auth-muted)}html[data-color-scheme=dark] .auth-experience .auth-form-wrap .segmented button.selected{color:#fff;background:#5148d8}html[data-color-scheme=dark] .auth-experience .auth-form-wrap input{color:var(--auth-ink);background:var(--surface-inset);border-color:var(--auth-line);box-shadow:none}html[data-color-scheme=dark] .auth-experience .auth-form-wrap input::placeholder{color:var(--auth-muted)}html[data-color-scheme=dark] .auth-experience .auth-form-wrap input:focus{border-color:var(--auth-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--auth-accent) 28%,transparent)}html[data-color-scheme=dark] .auth-experience .auth-password-toggle{color:var(--auth-muted)}html[data-color-scheme=dark] .auth-experience .auth-password-toggle:hover{color:var(--auth-ink);background:var(--surface-alt)}html[data-color-scheme=dark] .auth-experience .auth-forgot-link,html[data-color-scheme=dark] .auth-experience .bootstrap-link{color:var(--auth-accent)}@media(max-width:520px){html[data-color-scheme=dark] .auth-experience .auth-benefit strong{font-size:15px}html[data-color-scheme=dark] .auth-experience .auth-benefit small{font-size:13px}html[data-color-scheme=dark] .auth-experience .auth-panel{border-left:0;border-top:1px solid var(--line)}}
