@import url('https://fonts.googleapis.com/css2?family=Amiri:wght@400;700&family=Noto+Naskh+Arabic:wght@400;500;600;700&display=swap');
:root{--head:#4b111b;color-scheme:light;--paper:#faf5e9;--ink:#321d1b;--muted:#69574b;--wine:#4b111b;--gold:#957033;--line:#d8c7a5;--lightgold:#e7c990}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{margin:0;color:var(--ink);background:#eae0d0;font-family:'Noto Naskh Arabic',Tahoma,serif;font-size:1.125rem;line-height:1.85}button,a{font:inherit;touch-action:manipulation}button{cursor:pointer;min-height:44px;max-width:100%;border:1px solid var(--line);border-radius:5px;padding:8px 20px;color:var(--head);background:transparent;transition:background .2s,box-shadow .2s}button:hover{background:#eee2cd}a{color:var(--head);text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #ad762b;outline-offset:4px}[hidden]{display:none!important}h1,h2,p,.tag,.quiet,.answers li,.source-ref{overflow-wrap:anywhere}h1,h2{font-family:'Amiri','Noto Naskh Arabic',serif;font-weight:700;line-height:1.55}h1{font-size:2rem;margin:8px 0}h2{font-size:1.5rem;margin:4px 0}p{margin:8px 0;color:var(--muted)}
header{background:radial-gradient(ellipse at top,#681c28,var(--wine) 75%);color:var(--lightgold);padding:24px max(24px,calc((100vw - 1040px)/2));border-bottom:3px double #b49255;display:flex;align-items:center;justify-content:space-between;gap:22px}header>*{min-width:0}.brand{font-family:Amiri,serif;font-size:2.25rem;color:var(--lightgold);line-height:1.4}.brand span{display:block;font-family:'Noto Naskh Arabic',serif;font-size:.9375rem;text-align:center;font-weight:400;letter-spacing:0}nav{display:flex;gap:6px;flex-wrap:wrap}header nav button{color:#f7ead0;border-color:transparent;font-size:.875rem;padding:6px 14px}header nav button:hover{background:#702735}header nav [aria-pressed=true]{border-color:#bb9254;background:#ffffff0a}#motion{min-width:44px;font-family:Arial,sans-serif}
main{max-width:1100px;margin:0 auto;padding:30px 40px 60px;min-height:72vh;background:var(--paper);box-shadow:0 20px 70px #48251712;border-inline:1px solid #d6c5a6}section{animation:appear .6s ease both}.featured{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);direction:rtl;align-items:stretch;border:1px solid var(--line);background:#f4ead8;overflow:hidden;min-height:340px}.featured-image{grid-column:2;grid-row:1;overflow:hidden;min-width:0}.featured-image img{display:block;width:100%;height:100%;object-fit:cover;object-position:30% center;animation:reveal 1.4s ease both}.featured-copy{grid-column:1;grid-row:1;align-self:center;padding:30px;min-width:0;text-align:start;direction:rtl}.featured-copy h1{font-size:2.4rem;margin:12px 0;line-height:1.6}.featured-copy p{font-size:1rem}.eyebrow{font-size:.875rem;color:var(--gold)}.feature-count{display:block;font-size:1rem;margin:14px 0}.primary{background:var(--wine);color:#f2d89f;border:3px double #bb965e;box-shadow:0 5px 16px #4b111b18;min-width:150px}.primary:hover{background:#671e2a}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin:28px 0 18px}.section-heading>div{min-width:0}.section-heading>span,.quiet{font-size:1rem;color:var(--muted)}.ornament{border-bottom:1px solid var(--line);padding-bottom:12px}.ornament>span{color:var(--gold);font-size:1.5rem}.dialogue-book{display:flex;width:100%;text-align:start;align-items:center;gap:24px;border:1px solid var(--line);padding:24px;background:#fffaf1}.collection-number{font-family:Amiri,serif;font-size:2.2rem;min-width:52px;color:var(--gold);border-inline-end:1px solid var(--line);padding-inline-end:20px}.dialogue-book strong{display:block;font-family:Amiri,serif;font-size:1.625rem}.dialogue-book .quiet{display:block}.availability{font-size:.875rem;color:var(--muted)}.back{margin:0 0 12px;padding:6px 16px}.source{font-size:.9375rem;border-bottom:1px solid var(--gold);min-height:44px;display:inline-flex;align-items:center}.unit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 26px;margin-top:24px;border-top:1px solid var(--line)}.unit{min-width:0;text-align:start;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:20px 12px;background:transparent}.unit h2{font-size:1.375rem}.unit small{display:block;font-size:.875rem;color:var(--muted)}.tag{display:inline-block;font-size:.8125rem;line-height:1.8;border:1px solid #b69865;padding:2px 10px;border-radius:4px;color:#71501f;max-width:100%;white-space:normal}.unit .tag{margin-top:7px}.test-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.notice{background:#f0e6d4;border-inline-start:3px solid var(--gold);padding:16px 22px;font-size:1rem;margin-top:28px}.empty{border:1px solid var(--line);padding:28px;margin-top:26px;background:#fffaf2}
#unit-view{max-width:840px;margin:auto;border:1px solid var(--line);padding:28px;background:linear-gradient(90deg,#ede2ce55,transparent 3%,transparent 97%,#ede2ce55);position:relative}#unit-view::after{content:'';position:absolute;bottom:-16px;inset-inline-end:34px;width:20px;height:32px;background:var(--wine);border:1px solid var(--gold);clip-path:polygon(0 0,100% 0,100% 100%,50% 80%,0 100%)}#unit-heading .section-heading{justify-content:center;text-align:center;border-bottom:1px solid var(--line);padding-bottom:20px}#unit-heading .section-heading>div{width:100%}#unit-heading nav{justify-content:center;width:100%}#unit-heading nav button{font-size:.9375rem;min-width:100px}#unit-heading .quiet{text-align:center}.filters{display:flex;justify-content:center;gap:0;border-bottom:1px solid var(--line);margin:22px 0}.filters button{border:0;border-bottom:3px solid transparent;border-radius:0;flex:1;font-size:1rem;padding:10px}.filters [aria-pressed=true]{border-bottom-color:var(--gold);color:var(--head);font-weight:700;background:#ecdfc655}.answer-group{border:1px solid var(--line);border-radius:6px;margin:18px 0;background:#fffcf580;overflow:hidden}.answer-group summary{cursor:pointer;padding:17px 23px;font-size:1.1875rem}.answer-group summary::marker{color:var(--gold)}.exercise-meta{display:block;color:var(--muted);font-size:.875rem}.answer-group summary>.tag{margin-inline-start:12px}.answer-body{border-top:1px solid var(--line);padding:18px 24px}.answers{padding:0;margin:0;list-style:none}.answers li{font-size:1.25rem;line-height:2.15;border-bottom:1px solid #d8c7a566;padding:12px 0}.answers li:last-child{border:0}.explanation{font-size:1rem;color:#624b36;border-inline-start:2px solid var(--gold);padding:8px 14px;background:#eddfc733}.source-ref{display:block;font-size:.875rem;color:var(--muted);margin-top:20px}.pending{color:#813c19;border-color:#ba7042}.review-button{display:block;margin:24px auto 4px;background:var(--wine);color:var(--lightgold)}.review-button:hover{background:#671e2a}footer{max-width:1100px;padding:20px 40px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:auto;color:var(--muted);font-size:.875rem;border-top:1px solid var(--line);background:var(--paper)}.paused *,.paused *::after{animation-play-state:paused!important}@keyframes appear{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes reveal{from{transform:scale(1.06);opacity:.6}to{transform:scale(1);opacity:1}}
@media(max-width:700px){header{flex-direction:column;padding:18px 20px 12px;gap:12px}.brand{text-align:center;font-size:2rem}header nav{justify-content:center;width:100%;border-top:1px solid #a47e443d;padding-top:8px}header nav button{padding:6px 12px}main{padding:20px 20px 40px}.featured{min-height:285px;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.featured-copy{padding:18px 14px}.featured-copy h1{font-size:1.8rem}.featured-copy p{font-size:.9375rem}.featured-image img{object-position:29% center}.primary{min-width:0;width:100%;padding:8px 10px;font-size:1rem}.unit-grid,.test-grid{grid-template-columns:minmax(0,1fr)}#unit-view{padding:18px 14px}.answer-body{padding:15px}.answer-group summary{padding:14px 17px}.answer-group summary>.tag{display:table;margin:7px 0 0}.answers li{font-size:1.1875rem}h1{font-size:1.75rem}.section-heading{gap:12px}.dialogue-book{padding:20px 16px;gap:16px}.collection-number{padding-inline-end:14px}.notice{padding:15px}.empty{padding:20px}footer{padding:20px}main,header,footer{padding-inline-start:max(16px,env(safe-area-inset-left));padding-inline-end:max(16px,env(safe-area-inset-right))}footer{padding-bottom:max(20px,env(safe-area-inset-bottom))}}
@media(max-width:360px){.featured-copy{padding:14px 10px}.featured-copy h1{font-size:1.5rem}.featured-copy .eyebrow{font-size:.8125rem}.featured-copy p{font-size:.875rem}.featured{min-height:270px}.feature-count{margin:10px 0}.dialogue-book .quiet{font-size:.9375rem}#unit-view{padding:14px 10px}header nav button{padding-inline:9px}}
@media(prefers-reduced-motion:reduce){*,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Qasas: independent book and Arabic reading notes. */
.qasas-book{margin-bottom:14px;background:linear-gradient(115deg,#f0e1c4,#fffaf1);border-color:#b69762}.book-arrow{margin-inline-start:auto;color:var(--gold)}.qasas-intro{text-align:center;padding:28px 16px;border:3px double var(--line);background:#f5ead7}.qasas-intro h1{font-size:2rem}.lesson-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}.lesson-link{display:flex;align-items:center;gap:16px;text-align:right;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:15px 10px}.lesson-link>span:nth-child(2){flex:1;min-width:0}.lesson-link strong{display:block;font-size:1.125rem;font-weight:600;overflow-wrap:anywhere}.lesson-link small{display:block;color:var(--muted);font-size:.875rem}.lesson-number{font-family:Amiri,serif;color:var(--gold);width:28px;flex-shrink:0;font-size:1.375rem}.lesson-link:hover{background:#eee0c7;box-shadow:inset -3px 0 var(--gold)}#qasas-lesson-view{max-width:880px;margin:auto}.lesson-heading{text-align:center;padding:20px 10px 26px;border-bottom:3px double var(--line)}.lesson-heading h1{font-size:1.875rem}.lesson-summary{padding:24px;margin:28px 0;background:#f2e7d3;border-inline-start:3px solid var(--gold)}.lesson-summary p{color:var(--ink);font-size:1.125rem;line-height:2}.vocabulary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:22px 0}.word-card{min-width:0;padding:22px;background:#fffaf1;border:1px solid var(--line);border-top:3px solid #a7844c;border-radius:5px;animation:appear .45s ease both}.word-card h3{font-family:Amiri,serif;font-size:1.625rem;color:var(--head);margin:0;line-height:1.6}.word-context{font-size:.9375rem;margin:3px 0 16px}.word-card dl{margin:0}.word-card dt{font-size:.8125rem;color:var(--muted);margin-top:12px}.word-card dd{margin:2px 0;font-size:1.0625rem;overflow-wrap:anywhere}.synonym{color:var(--head);font-weight:700}.lexical-note{font-size:.9375rem;padding:10px 0;border-top:1px dashed var(--line);margin-top:16px}.dictionary-source{font-size:.8125rem;line-height:1.8;display:block;min-height:44px;padding-top:12px;margin-top:12px;border-top:1px solid var(--line);text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}.lesson-navigation{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding-top:20px;margin-top:24px;border-top:3px double var(--line)}.lesson-navigation button{text-align:right;padding:14px}.lesson-navigation small{display:block;color:var(--muted);font-size:.8125rem}.lesson-navigation span{display:block;font-size:1.0625rem}.lesson-navigation button:last-child{text-align:left}
@media(max-width:700px){.lesson-grid,.vocabulary-grid{grid-template-columns:minmax(0,1fr)}.word-card{padding:20px}.lesson-summary{padding:20px}.lesson-heading h1{font-size:1.625rem}.qasas-intro h1{font-size:1.75rem}.qasas-book{gap:12px}.book-arrow{display:none}.lesson-navigation{gap:10px}.lesson-navigation button{padding:10px}.lesson-navigation span{font-size:1rem}}

/* Comfortable vowel spacing and compact searchable beginner vocabulary. */
#qasas-lesson{line-height:2.1}.lesson-summary p+p{margin-top:16px}.vocabulary-grid{grid-template-columns:1fr;gap:0;border-top:1px solid var(--line)}.word-card{display:grid;grid-template-columns:minmax(120px,.75fr) minmax(0,2fr);gap:4px 24px;padding:18px 20px;border:0;border-bottom:1px solid var(--line);border-radius:0;animation:none}.word-card:nth-child(even){background:#f5ead8}.word-card h3{font-family:'Noto Naskh Arabic',serif;font-size:1.2rem;line-height:2;overflow-wrap:anywhere}.word-card dl{display:grid;grid-template-columns:105px minmax(0,1fr);gap:3px 14px}.word-card dt,.word-card dd{margin:0;line-height:2.1}.word-card dt{font-size:.82rem}.word-card dd{font-size:1.06rem}.word-reference{grid-column:2;font-size:.82rem}.word-reference summary{cursor:pointer;color:var(--muted);padding:6px 0;min-height:36px}.word-reference .dictionary-source{margin:0;padding:4px 0;border:0}.word-search{display:grid;grid-template-columns:1fr auto;gap:6px 16px;margin:24px 0 0}.word-search label{grid-column:1/-1;font-size:.9375rem;color:var(--head)}.word-search input{min-width:0;width:100%;font:inherit;font-size:1rem;padding:9px 14px;border:1px solid var(--line);border-radius:4px;color:var(--ink);background:#fffaf1;min-height:48px}.word-search input:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.word-search span{align-self:center}.reading-help{border:1px solid var(--line);background:#f5ead8;padding:14px 20px;margin-top:16px}.reading-help summary{cursor:pointer;color:var(--head);font-weight:600;min-height:44px;display:list-item}.reading-help dl{display:grid;grid-template-columns:minmax(80px,.6fr) minmax(0,2fr);gap:8px 20px}.reading-help dt{color:var(--head);font-weight:700}.reading-help dd{margin:0;color:var(--muted);font-size:1rem}.reading-help dt,.reading-help dd{overflow-wrap:anywhere}
@media(max-width:600px){.word-card{grid-template-columns:1fr;gap:8px;padding:16px 12px}.word-card dl{grid-template-columns:94px minmax(0,1fr);gap:5px 10px}.word-reference{grid-column:1}.word-search{gap:8px}.word-search span{font-size:.85rem}.reading-help{padding:12px}.reading-help dl{grid-template-columns:1fr;gap:2px}.reading-help dd{margin-bottom:12px}.lesson-summary{padding:18px 16px}.word-card h3{font-size:1.1875rem}.word-card dd{font-size:1.05rem}}

/* Real edition cover, shown whole rather than cropped. */
.featured-image{display:flex;justify-content:center;align-items:center;padding:24px;background:radial-gradient(ellipse at center,#734131,#4b111b)}.featured-image img{height:auto;width:auto;max-width:100%;max-height:420px;object-fit:contain;object-position:center;box-shadow:0 12px 26px #16050766;border:1px solid #dfc994}.question-block{border:1px solid var(--line);background:#f4ead8;padding:16px 18px;margin-bottom:22px;border-radius:4px}.question-block h3,.solution-label{font-size:1.125rem;margin:0 0 8px;color:var(--head);font-weight:700}.question-caption{font-size:.875rem;color:var(--muted)}.question-block>p{color:var(--ink);font-size:1.125rem;line-height:2}.question-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;margin-top:14px}.question-toggle{background:var(--wine);color:var(--lightgold);font-size:.9375rem}.question-toggle:hover{background:#671e2a}.original-question{margin-top:16px;border-top:1px solid var(--line);padding-top:12px}.reader-slot iframe{display:block;width:100%;height:640px;border:1px solid var(--line);background:#fff}.solution-label{border-bottom:1px solid var(--line);padding-bottom:8px}.question-actions a{font-size:.875rem}
@media(max-width:700px){.featured-image{padding:16px 10px}.featured-image img{max-height:310px}.question-block{padding:14px 12px}.reader-slot iframe{height:530px}.question-actions{gap:8px}.question-actions>*{width:100%;justify-content:center;text-align:center}.question-block>p{font-size:1.0625rem}}

/* Original textbook cover presented as a physical book in the approved arch scene. */
.featured-image{display:block;padding:0;background:#e8d6b9;min-height:340px}.featured-image img{display:block;width:100%;height:100%;max-width:none;max-height:none;object-fit:cover;object-position:30% center;box-shadow:none;border:0}
@media(max-width:700px){.featured{grid-template-columns:minmax(0,1fr);min-height:0}.featured-image{grid-column:1;grid-row:1;min-height:0;aspect-ratio:3/2}.featured-image img{width:100%;height:100%;object-fit:cover;object-position:center;max-height:none}.featured-copy{grid-column:1;grid-row:2;padding:20px}.featured-copy h1{font-size:1.8rem;line-height:1.5}.featured-copy h1 br{display:none}.featured-copy .feature-count{margin:10px 0}}

.qasas-feature{margin-bottom:20px}.qasas-feature .featured-copy h2{font-size:2rem;line-height:1.6;margin:12px 0}@media(max-width:700px){.qasas-feature .featured-copy h2{font-size:1.8rem}}

/* Original PDF exercises: responsive scan, separate reveal, touch zoom. */
.question-instruction{white-space:pre-line}.exercise-figure{margin:16px 0 12px}.exercise-image-button{display:block;width:100%;padding:0;background:#fff;border:1px solid var(--line);border-radius:3px;overflow:hidden;cursor:zoom-in}.exercise-image-button:hover{background:#fff;border-color:var(--gold)}.exercise-image-button img{display:block;width:100%;height:auto;max-width:100%}.exercise-figure figcaption{font-size:.875rem;line-height:1.7;color:var(--muted);margin-top:8px}.solution-reveal{border:1px solid var(--line);border-radius:4px;background:#fffaf0}.answer-group .solution-reveal>summary{padding:12px 16px;font-size:1rem;color:var(--head);font-weight:700;min-height:44px}.solution-content{padding:14px 18px;border-top:1px solid var(--line)}.solution-reveal .hide-answer,.solution-reveal[open] .show-answer{display:none}.solution-reveal[open] .hide-answer{display:inline}.question-lightbox{border:0;padding:0;background:transparent;width:min(1100px,96vw);max-width:96vw;max-height:94dvh;color:var(--ink)}.question-lightbox::backdrop{background:#160b0ce6}.question-image-panel{background:var(--paper);border:1px solid var(--gold);border-radius:8px;overflow:hidden}.question-image-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:12px 16px;border-bottom:1px solid var(--line)}.question-image-toolbar p{flex:1 1 100%;margin:0;font-size:1rem}.question-image-toolbar button,.question-image-toolbar a{min-height:44px;padding:8px 12px;font-size:.9375rem}.question-image-toolbar a{display:inline-flex;align-items:center;color:var(--head)}.question-image-scroll{overflow:auto;max-height:calc(94dvh - 135px);background:#fff;overscroll-behavior:contain;direction:ltr}.question-image-scroll img{display:block;width:100%;height:auto;margin:auto}.image-zoomed .question-image-scroll img{width:auto;min-width:100%;max-width:none}.exercise-image-button:focus-visible,.solution-reveal>summary:focus-visible{outline:3px solid var(--wine);outline-offset:3px}@media(max-width:700px){.question-lightbox{width:98vw;max-width:98vw}.question-block{padding:12px 8px}.question-image-toolbar{padding:8px;gap:4px}.question-image-toolbar button,.question-image-toolbar a{font-size:.875rem;padding:8px}.solution-content{padding:12px}.exercise-figure{margin:12px -4px}.question-image-scroll{max-height:calc(92dvh - 135px)}}

/* Book 2: exact original cover, restrained depth, matching library palette. */
.bayna2-feature .original-cover{display:flex;align-items:center;justify-content:center;padding:34px;background:radial-gradient(ellipse at 50% 38%,#78805b,#30382a 78%);min-height:360px;perspective:1000px}
.bayna2-feature .original-cover img{width:auto;height:auto;max-height:380px;max-width:88%;object-fit:contain;box-shadow:12px 16px 24px #10150980;border:1px solid #b7b690;transform:rotateY(-9deg);animation:none}
@media(max-width:700px){.bayna2-feature .original-cover{min-height:0;aspect-ratio:3/2;padding:22px}.bayna2-feature .original-cover img{max-height:100%;max-width:65%;width:auto;height:min(320px,45vw)}.filters button{overflow-wrap:anywhere}}

/* Original end-of-unit compositions, comfortable for fully vowelled Arabic. */
.unit-composition{margin-top:32px;padding:26px 24px;border:1px solid var(--line);border-top:3px double var(--gold);background:#fffaf1}
.unit-composition h2{font-size:1.5rem;line-height:1.9;margin:8px 0 12px;color:var(--head)}
.unit-composition .composition-note{font-size:.9375rem;line-height:1.9;padding-bottom:16px;border-bottom:1px solid var(--line)}
.composition-prose p{color:var(--ink);font-size:1.125rem;line-height:2.25;margin:18px 0;overflow-wrap:anywhere}
@media(max-width:700px){.unit-composition{padding:20px 16px}.unit-composition h2{font-size:1.375rem}.composition-prose p{font-size:1.0625rem;line-height:2.3}}

.qasas-original-pages{display:grid;grid-template-columns:minmax(0,1fr);gap:20px;max-width:780px;margin:20px auto}.qasas-original-pages .exercise-figure{margin:0}.qasas-original-pages img{width:100%;height:auto}.qasas-original-pages .exercise-image-button{width:100%}

/* Shared book-part navigation and source reader */
.series-nav,.lesson-sections{display:flex;flex-wrap:wrap;gap:.55rem;margin:1.1rem 0 1.5rem;align-items:stretch}
.series-nav button,.lesson-sections button,.reader-load{font:inherit;font-size:.9rem;line-height:1.65;min-height:44px;padding:.55rem .9rem;border:1px solid currentColor;border-radius:10px;background:transparent;color:inherit;cursor:pointer}
.series-nav button[aria-current="page"]{background:var(--wine,#651b2b);color:#fff;border-color:var(--wine,#651b2b)}
.book-features,.reader-book-label{font-size:.95rem;line-height:1.9;opacity:.85}
.source-reader{display:block;width:100%;height:70vh;min-height:340px;max-height:850px;border:1px solid #aa8d6655;border-radius:10px;background:#fff;margin:1rem 0}.source-reader[hidden]{display:none}
#lesson-original,#lesson-summary,#lesson-vocabulary{scroll-margin-top:100px}
@media(max-width:600px){.series-nav button{flex:1 1 100%;text-align:start}.lesson-sections button{flex:1 1 120px}.source-reader{height:65vh;min-height:320px}}