body{background:#fff;color:#17314b;font-family:Nunito,"Segoe UI",sans-serif}.course-header{position:sticky;top:0;z-index:5;background:#fffffff5;border-bottom:1px solid #e2eaf1;padding:12px 5%;display:flex;gap:18px;align-items:center;flex-wrap:wrap}.course-header a{text-decoration:none;color:#176c79}.course-header strong{font-size:23px}.course-controls{margin-left:auto;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.course-controls input,.course-controls select{padding:10px;border:1px solid #bdd1df;border-radius:12px;max-width:100%}#course{max-width:1080px;margin:auto;padding:30px 22px 70px;font-size:var(--lesson-size,18px);line-height:1.8}#course h1{font-size:clamp(28px,4vw,42px);line-height:1.25}#course h2{font-size:1.25em}#course p{overflow-wrap:anywhere}.course-hero{padding:35px;border-radius:26px;background:linear-gradient(125deg,#edf8f6,#f2f2ff);margin-bottom:26px}.course-hero .button{margin:8px 10px 0 0}.course-notice{border-left:4px solid #bc852a;background:#fff9ed;padding:16px 22px;border-radius:12px}.lesson-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:18px}.lesson-card{border:1px solid #dce6ef;border-radius:20px;padding:24px;text-decoration:none;color:inherit;background:linear-gradient(135deg,#fff,#f5f8ff);transition:transform .15s,box-shadow .15s}.lesson-card:hover{transform:translateY(-3px);box-shadow:0 10px 22px #183a5010}.lesson-card h2{margin:8px 0}.lesson-card small{color:#557082}.lesson-card span:last-child{color:#147c83}.grade-bubble{display:inline-grid;place-items:center;width:50px;height:50px;border-radius:15px;background:#e1f1f4;font-size:25px;font-weight:bold}.lesson-panel{border:1px solid #dce6ef;border-radius:20px;padding:24px;margin:22px 0}.worked{border-left:4px solid #198c79;background:#f5fbf9}.worked li{margin:14px 0}.concept{margin:24px 0;padding:24px;border-radius:22px;background:#edf5ff;display:flex;gap:20px;flex-wrap:wrap}.concept-symbol{font-size:48px;align-self:center}.concept>div{flex:1;min-width:180px}.concept figcaption{width:100%;font-size:.85em;color:#526879}.flow{display:flex;flex-wrap:wrap;gap:12px}.flow span{padding:14px;border:1px solid #b7d9d5;border-radius:14px;background:#f0faf7}table{width:100%;border-collapse:collapse;table-layout:fixed}th,td{text-align:left;padding:12px;border-bottom:1px solid #dce6ef;overflow-wrap:anywhere}th:first-child{width:25%}textarea{width:100%;font:inherit;padding:12px;border:1px solid #b7cbd7;border-radius:12px;resize:vertical}.practice-start{padding:28px;background:#eff8f6;border-radius:20px}.options{display:grid;gap:12px;margin:25px 0}.option{display:flex;gap:15px;align-items:center;text-align:left;padding:18px;border:1px solid #b9cedf;border-radius:14px;background:white;color:#17314b;font:inherit;overflow-wrap:anywhere}.option b{background:#edf3f8;border-radius:8px;padding:0 10px}.option span{flex:1;min-width:0}.option em{font-size:.8em}.option.selected{border:2px solid #087b8a;background:#edf8fa}.option.correct{border:2px solid #20835c;background:#effaf4}.option.wrong{border:2px solid #b94742;background:#fff3f1}.option:disabled{opacity:1}.feedback{padding:24px;background:#f3f7fb;border-radius:18px}.quiz-actions{display:flex;gap:12px;flex-wrap:wrap}.button:disabled{opacity:.5;cursor:not-allowed}.study-steps{display:flex;gap:15px;flex-wrap:wrap;margin-top:28px}.study-steps span{background:#eff5fa;padding:14px;border-radius:12px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #ca7e19;outline-offset:4px}@media(max-width:600px){.course-controls{margin-left:0;width:100%}.course-controls input{width:100%}.course-hero,.lesson-panel{padding:20px}.option{flex-wrap:wrap}.option em{width:100%}}

#course h1,#course h2,#course p{margin-bottom:14px}#course .lesson-card h2{margin-top:10px}.course-header #subject-name{font-size:24px;font-weight:800}.lesson-card:focus-visible{transform:translateY(-3px)}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.diagram{margin:24px 0;background:#f3f8fc;border-radius:20px;padding:20px;text-align:center}.diagram svg{width:100%;max-width:360px;height:auto;stroke:none}.diagram figcaption{font-size:.85em;color:#526879}.letter-picture{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap;font-size:40px}.letter-picture b{padding:6px 16px;background:white;border-radius:12px;color:#167c87}

.letter-picture{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;font-size:clamp(24px,6vw,40px);max-width:420px;margin:auto}.letter-picture b{padding:8px 2px}.letter-picture span{font-size:1em}th:first-child{width:32%}th:first-child,td:first-child{font-size:.8em;padding:8px;overflow-wrap:normal}#course .lesson-panel table p{margin:0}

.book-actions{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}.book-cover{position:relative;border-left:7px solid #247e85}.book-cover>small{display:block;margin:10px 0}.book-progress{height:7px;background:#dfeaf0;border-radius:10px;overflow:hidden;margin:14px 0}.book-progress span{display:block;height:100%;background:#23897e}.coverage-note{font-size:.9em;background:#f6f8fa;padding:16px;border-radius:14px;margin:22px 0}.coverage-note a{color:#167568;text-decoration:underline}.chapter{margin:35px 0}.chapter-heading{display:flex;align-items:center;gap:12px;margin-bottom:18px}.chapter-heading>span{background:#e5f4f1;border-radius:10px;padding:6px 16px;color:#18776f;font-weight:800}.reader-index{display:flex;flex-wrap:wrap;gap:8px;margin:25px 0}.reader-index button{text-align:left;white-space:normal}.reader-lesson{border-top:3px solid #b4d5d0;padding-top:36px;margin-top:45px;scroll-margin-top:180px}.review-question{padding:24px 0;border-bottom:2px solid #dde9ed}.example-text{padding:18px;background:#e9f5ee;border-radius:12px;font-weight:650}.table-wrap{overflow:auto}#course th:first-child{width:40%}#course td:first-child,#course th:first-child{font-size:1em;overflow-wrap:anywhere}.diagram svg{max-width:420px}.visual-flow{max-width:380px;margin:auto}.visual-flow strong{display:block;background:#fff;padding:12px;border:1px solid #bad5df;border-radius:12px}.flow-arrow{display:block;font-size:22px;color:#197a86}.count-picture{display:flex;justify-content:center;gap:12px;font-size:40px}.count-picture small{display:block;font-size:16px}.count-picture>span{padding:8px;border-radius:14px}.count-picture .highlight{outline:2px solid #c68d27;background:#fff4d6}.word-picture{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;font-size:32px}.word-picture strong{display:block;font-size:20px}.feedback .lesson-panel{background:white}.reader-lesson h1{font-size:1.65em}#course h1{scroll-margin-top:190px}.option.correct{color:#17563d}.option.wrong{color:#8a3330}@media print{.course-header,.reader-index,.book-actions,.practice-start,#save-status,.skip-link{display:none!important}#course{max-width:none;padding:0;font-size:12pt}.lesson-panel,.diagram{break-inside:avoid}.reader-lesson{break-before:page}.coverage-note{background:white}}

.curriculum-status{padding:22px;border:1px solid #cce2dd;border-left:5px solid #268574;border-radius:16px;background:#f5fbf9;margin:24px 0}.source-caption{color:#526879;font-size:.85em;border-top:1px solid #e1e9ee;padding-top:14px;overflow-wrap:anywhere}
/* Reading-first refinement: white canvas, clear hierarchy, compact navigation. */
.course-header{padding:14px max(20px,calc((100% - 1160px)/2));box-shadow:0 3px 18px #17333706}.course-header #subject-name{color:#155f58;font-size:27px;letter-spacing:-.03em}.course-controls input{background:#f6faf8;min-height:46px}.course-controls select{background:white;min-height:46px}#course{max-width:1120px;padding-top:32px}#course>h1,#course>.eyebrow,#course>.lesson-route{max-width:820px}.course-hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#eff8f4,#f5f3ff);border:1px solid #dfece7;box-shadow:0 14px 38px #224c3605;padding:38px}body[data-subject='ona-tili'] .course-hero:after{content:'Aa';position:absolute;right:24px;top:-35px;font-size:175px;font-weight:900;letter-spacing:-.09em;opacity:.035;pointer-events:none}.course-hero>small{letter-spacing:.12em;color:#377869;font-weight:800}.course-hero p{max-width:740px}.course-hero .book-actions{position:relative;z-index:1}.book-cover{border-left:0;border-top:4px solid #4a9584;padding:24px;background:#fff;box-shadow:0 6px 20px #193e3005}.book-cover:nth-child(3n+2){border-top-color:#a389c8}.book-cover:nth-child(3n+3){border-top-color:#d2a15e}.book-cover:nth-child(3n+2) .grade-bubble{background:#f3eef9;color:#7957a0}.book-cover:nth-child(3n+3) .grade-bubble{background:#fff4e1;color:#986a27}.book-cover .grade-bubble{background:#ecf6f0;color:#246d55}.book-progress{height:6px}.course-facts{display:flex;flex-wrap:wrap;gap:14px;margin-top:25px}.course-facts>span{display:flex;align-items:baseline;gap:7px;background:#ffffffb8;padding:8px 14px;border-radius:12px;font-size:14px;color:#4a6962}.course-facts b{font-size:23px;color:#1b5447}.toc-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:30px}.toc-toolbar input{border:1px solid #c8dcd5;border-radius:12px;padding:12px 15px;font:inherit;max-width:100%;background:#fbfdfc}.chapter-nav{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0 28px}.chapter-nav .filter{font-size:13px;max-width:100%;text-align:left;white-space:normal;color:#48645c;background:#f5faf7}.chapter{scroll-margin-top:175px}.chapter-heading{margin:30px 0 14px;align-items:center}.chapter-heading h2{font-size:1.13em;margin:0!important}.chapter-heading>span{font-size:15px;background:#eaf4ed;color:#387152}.toc-list{display:grid;gap:9px}.toc-card{display:flex;align-items:center;gap:16px;border:1px solid #e1e9e5;border-radius:14px;padding:16px 19px;background:white;box-shadow:none;transform:none}.toc-card:hover{transform:none;border-color:#80b4a2;background:#f6fbf8;box-shadow:0 4px 14px #204b3106}.toc-number{display:grid;place-items:center;flex:0 0 35px;height:35px;border-radius:10px;background:#f0f5f3;font-size:14px;font-variant-numeric:tabular-nums;color:#527166!important}.toc-card>div{flex:1;min-width:0}.toc-card h3{font-size:1em;letter-spacing:0;line-height:1.45;font-weight:750;overflow-wrap:anywhere}.toc-card small{font-size:.72em}.toc-state{font-size:.75em;font-weight:800;white-space:nowrap}.toc-state.is-done{color:#22724c}.language-tokens{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.language-token{display:flex;flex-direction:column;justify-content:center;gap:8px;min-width:100px;max-width:100%;flex:1 1 130px;background:#fff;border:1px solid #d8e8e1;border-radius:16px;padding:20px 16px;overflow-wrap:anywhere}.language-token strong{font-size:1.2em;color:#22674f}.language-token>span{font-size:.8em;color:#546e64}.language-token:nth-child(3n+2){border-color:#e2d9ec;background:#fcfaff}.language-token:nth-child(3n+2) strong{color:#76569d}.language-token:nth-child(3n+3){border-color:#efdfc7;background:#fffcf7}.language-token:nth-child(3n+3) strong{color:#8c682b}.language-flow{flex-direction:column;max-width:530px;margin:auto}.language-flow .language-token{flex:auto;position:relative}.language-flow .token-arrow{color:#638d7c;font-size:22px;line-height:1}.language-diagram{background:#f5f9f6;border:1px solid #e8eee9}.lesson-route{display:flex;gap:12px;flex-wrap:wrap;color:#698177;font-size:.85em;margin:18px 0 30px}.lesson-route>span{color:#b0c3b9}.lesson-panel{padding:30px;border-color:#e0e9e5;background:#fff;max-width:850px}.worked{background:#f5faf7;border-left:4px solid #34886a}.lesson-panel p{color:#38554a;line-height:1.95}.lesson-panel ol{padding-left:25px}.diagram,.practice-start,.source-caption{max-width:850px}.source-warning{border-left:3px solid #bd8535;padding:14px 18px;background:#fff8ea;border-radius:8px;color:#72542a!important}.curriculum-status{background:#fbfdfb;border-left-width:3px;font-size:.9em}.curriculum-status h2{font-size:1em!important}.practice-start{border:1px solid #cde5d7;box-shadow:0 10px 25px #275b3c06;padding:30px}.practice-start h2{color:#1e614b}.lesson-grid .lesson-card{min-width:0}.reader-lesson{max-width:900px}.review-question{border:1px solid #dce7df;padding:24px;border-radius:20px;margin:24px 0}.review-question .worked{max-width:none}.reader-index .filter{max-width:100%;text-align:left;white-space:normal}
@media(min-width:1000px){body[data-subject='ona-tili'] .book-cover{min-height:260px}.toc-list{grid-template-columns:1fr 1fr}.toc-state{display:none}.toc-card{align-items:flex-start}.toc-toolbar{position:sticky;top:95px;background:#fffffff5;z-index:3;padding:14px 0;border-bottom:1px solid #edf2ee}}
@media(max-width:600px){#course{padding:22px 16px 50px}.course-hero{padding:25px 21px;border-radius:20px}.course-hero:after{font-size:120px;right:15px;top:-20px}.toc-toolbar{align-items:stretch;flex-direction:column;gap:10px}.toc-toolbar input{width:100%}.toc-card{padding:15px 13px;gap:11px;align-items:flex-start}.toc-state{font-size:0}.toc-state:after{content:'→';font-size:20px}.toc-state.is-done:after{content:'✓'}.toc-number{flex-basis:28px;height:30px}.lesson-panel{padding:23px 20px}.chapter-nav .filter{font-size:12px;padding:9px 12px}.course-facts{gap:7px}.course-facts>span{padding:7px 10px;font-size:12px}.course-facts b{font-size:19px}.language-token{padding:16px 12px;flex-basis:100px}.language-diagram{padding:17px}.review-question{padding:16px}.source-caption{font-size:.72em}.course-header{position:sticky;top:0}.chapter{scroll-margin-top:180px}}
.language-alphabet{display:grid;grid-template-columns:repeat(auto-fit,minmax(60px,1fr));gap:8px}.language-alphabet .language-token{min-width:0;padding:12px 7px;gap:2px}.language-alphabet .language-token strong{font-size:1.4em}.language-alphabet .language-token span{font-size:1em}

.example-text{white-space:pre-line}
@media(max-width:600px){.course-header{padding:10px 16px;gap:10px 16px}.course-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.course-controls>label{min-width:0}.course-controls>label:last-child{display:flex;align-items:center;gap:5px;font-size:12px}.course-controls input{min-width:0;width:100%;font-size:14px}.course-controls select{font-size:12px;padding:10px 5px;max-width:100px}.chapter{scroll-margin-top:135px}.reader-lesson{scroll-margin-top:135px}}
#course li,#course h1,#course h2,#course h3{overflow-wrap:anywhere}
/* Portal hero illustrations also use .lesson-card; keep actual course cards upright and full-width. */
#course .lesson-card{width:100%;transform:none;z-index:auto;box-shadow:0 5px 18px #17314b08}
#course .lesson-card:hover{transform:translateY(-2px)}
#course .toc-card:hover{transform:none}
.language-token .concept-picture{display:block;width:88px;height:88px;max-width:100%;margin:0 auto 5px;flex-shrink:0}
html:has(body[data-subject]){color-scheme:light;--ink:#17314b;--muted:#557082;--surface:#fff;--surface-2:#f0f4fa;--primary:#1d5fd1;--primary-ink:#fff;--line:#dce6ef}

/* A consistent visual reading block for every expanded lesson. */
.lesson-illustration{margin:1.4rem 0;padding:clamp(12px,3vw,24px);border:1px solid #dce7ef;border-radius:18px;background:linear-gradient(135deg,#f5faff,#f3faf6)}
.lesson-illustration>h2{font-size:1.15em;margin:0 0 1rem;line-height:1.4}
.lesson-illustration .diagram{margin:0}
.lesson-illustration figcaption{line-height:1.65;margin-top:.8rem}

/* English study support: scoped, keyboard accessible and usable without hover. */
.english-guide{border-top:4px solid #477ac0}.english-recall{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:12px;margin:18px 0}.english-recall details{border:1px solid #b2cbe0;border-radius:16px;padding:14px;background:var(--panel,#f3f8ff)}.english-recall summary{cursor:pointer;font-weight:700;overflow-wrap:anywhere}.english-recall details p{border-top:1px solid #b2cbe0;padding-top:12px}.english-step-path{list-style:none;padding:0;display:grid;gap:12px}.english-step-path li{display:flex;align-items:flex-start;gap:12px;border:1px solid #b2cbe0;border-radius:14px;padding:14px}.english-step-path li>span{flex:0 0 30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#dbeaff;color:#173e64;font-weight:bold}.english-step-path p{margin:0;min-width:0;overflow-wrap:anywhere}.english-grammar-path{display:flex;flex-wrap:wrap;gap:12px;list-style:none;padding:0}.english-grammar-path li{padding:12px;border-radius:12px;background:#e3f0f4;color:#193c50;flex:1 1 180px}.english-guide blockquote{margin:16px 0;padding:16px;border-left:4px solid #5894ab;overflow-wrap:anywhere}

/* English vocabulary: never split a written word into separate lines. */
body[data-subject="ingliz-tili"] .language-tokens{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:16px;align-items:stretch}body[data-subject="ingliz-tili"] .language-token{width:auto;min-width:0;flex:none;padding:18px;justify-content:flex-start;overflow-wrap:normal;word-break:normal}body[data-subject="ingliz-tili"] .language-flow{max-width:100%}.english-vocabulary{display:flex;flex-direction:column;gap:10px;min-width:0;text-align:center;line-height:1.6}.english-vocabulary small{display:block;font-size:.7em;font-weight:600;letter-spacing:.02em}.english-whole-word{display:inline-block;white-space:nowrap;word-break:keep-all;overflow-wrap:normal;hyphens:none}.english-vocabulary .english-spelling,.english-colour-key b{color:#1552a3!important;font-weight:850;font-size:1.12em;overflow-wrap:normal;word-break:normal}.english-vocabulary .english-letter{color:#1552a3!important;font-size:1.6em;white-space:nowrap}.english-vocabulary .english-pronunciation,.english-vocabulary .english-letter-name,.english-colour-key>span{color:#7141a1!important;font-weight:700}.english-vocabulary .english-ipa{color:#654184!important;font-size:.85em}.english-vocabulary .english-translation{color:#244c48!important;border-top:1px solid #d3dfeb;padding-top:10px}.english-pronunciation-status{color:#754b1a}.english-recall-card{padding:18px;border:1px solid #c8d8e8;border-radius:16px;background:#f8fbff;min-width:0}.english-colour-key{padding:12px;border-radius:12px;background:#eff5fc}.english-letter-name{font-size:.8em}.english-recall{grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr))}

.english-vocabulary{max-width:100%;overflow-x:auto}.english-stress{color:#7141a1;font-size:.7em;font-weight:500}body[data-subject="ingliz-tili"] .lesson-illustration svg text{fill:#1552a3}

.english-picture{font-size:2.2rem;line-height:1.4}.english-vocabulary .concept-picture{align-self:center;flex-shrink:0}