:root{--navy:#103b4a;--deep:#092b38;--gold:#c69d5c;--paper:#f7f6f0;--card:#fff;--ink:#183d49;--muted:#73858a;--line:#e4e8e4;--soft:#edf3ef}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.8 Tahoma,Arial,sans-serif}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;background:none;color:inherit}a{color:inherit;text-decoration:none}aside{position:fixed;right:0;top:0;width:250px;height:100vh;background:var(--navy);color:#fff;padding:36px 27px;display:flex;flex-direction:column;z-index:5}.brand{display:flex;align-items:center;gap:13px;font-size:20px;font-weight:bold}.brand small{display:block;font-size:10px;color:#b9ccce;font-weight:normal;letter-spacing:1px}.mark{display:grid;place-items:center;border:1px solid #b79b69;border-radius:32px 32px 5px 5px;width:46px;height:57px;font:42px Georgia;color:#e4c899}nav{margin-top:57px;display:grid;gap:10px}nav a{padding:12px 16px;border-radius:9px;color:#c3d1d3;display:flex;gap:15px;align-items:center}nav a.active{background:#ffffff13;color:#f2d8a8;box-shadow:inset -3px 0 var(--gold)}nav a:hover{background:#ffffff0b}.aside-bottom{margin-top:auto;font-size:11px;color:#b7cccc}.aside-bottom small{display:block;margin-top:15px;color:#8ca9ae}.dot{display:inline-block;width:6px;height:6px;background:#a8c9ad;border-radius:50%;margin-left:5px}.shell{margin-right:250px;padding:0 48px}header{height:115px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}h1,h2,h3,p{margin:0}h2{font-size:22px}.eyebrow{font-size:10px;color:var(--muted);letter-spacing:1px}.header-actions{display:flex;align-items:center;gap:19px}.avatar{border-radius:50%;background:#dbe7df;color:#426b57;width:37px;height:37px;display:grid;place-items:center}.offline{font-size:10px;color:#507b65;background:#e9f0e9;padding:5px 11px;border-radius:20px}main{max-width:1250px;margin:auto;min-height:75vh;padding:28px 0 45px}.hero{position:relative;overflow:hidden;border-radius:18px;background:var(--navy);color:white;padding:34px 36px;min-height:227px}.hero h1{font-size:32px;margin:7px 0}.hero p{color:#c5d5d5;font-size:13px;max-width:460px}.hero .eyebrow{color:#dfc28c}.hero-art{position:absolute;left:45px;top:22px;width:190px;height:230px;opacity:.65;border:1px solid #ffffff25;border-bottom:0;border-radius:110px 110px 0 0}.hero-art:before,.hero-art:after{content:'';position:absolute;border:1px solid #d2af7140;border-bottom:0;inset:20px;border-radius:100px 100px 0 0}.hero-art:after{inset:40px}.steps{position:absolute;bottom:0;left:0;width:100%;height:40%;background:linear-gradient(135deg,transparent 35%,#cba76c 36%,#cba76c 48%,transparent 49%);opacity:.3}.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;border-radius:7px;padding:10px 19px;background:var(--navy);color:#fff;font-size:12px;font-weight:bold}.button.gold{background:#dfc18a;color:#173b45}.button.light{background:var(--soft);color:var(--ink)}.hero .button{margin-top:22px}.section-head{display:flex;justify-content:space-between;align-items:center;margin:28px 0 16px}.section-head h3{font-size:18px}.section-head a{font-size:11px;color:#67867d}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 21px;display:flex;gap:15px;align-items:center}.stat i{font-style:normal;color:#a5854c;font-size:23px}.stat strong{display:block;font-size:23px;line-height:1.4}.stat small{color:var(--muted);font-size:10px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.book{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;transition:.2s;display:block}.book:hover{transform:translateY(-4px);box-shadow:0 10px 24px #133d4910}.cover{height:164px;border-radius:7px;display:grid;place-items:center;padding:20px;text-align:center;color:#e9d5aa;background:var(--cover);position:relative;overflow:hidden}.cover:before{content:'';position:absolute;inset:10px;border:1px solid #e5d1a743;border-radius:55px 55px 2px 2px}.cover:after{content:'✦';position:absolute;bottom:18px;font-size:12px}.cover b{font: bold 22px/1.7 Georgia,Tahoma;z-index:1;max-width:150px}.book h3{font-size:12px;margin:14px 0 3px}.book small{font-size:10px;color:var(--muted)}.book-meta{display:flex;justify-content:space-between;margin-top:15px;font-size:9px;color:var(--muted)}.progress{height:4px;border-radius:6px;background:var(--line);overflow:hidden;margin-top:9px}.progress span{height:100%;display:block;background:var(--gold)}.lower{display:grid;grid-template-columns:1.6fr 1fr;gap:20px}.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:23px}.muted{color:var(--muted);font-size:12px}.row{display:flex;justify-content:space-between;align-items:center;gap:14px}.lesson-row{padding:15px 0;border-bottom:1px solid var(--line);display:flex;gap:13px;align-items:center}.lesson-row:last-child{border:0}.number{width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--soft);font-size:12px;flex-shrink:0}.lesson-row h3{font-size:12px}.lesson-row small{font-size:10px;color:var(--muted)}.lesson-row .button{margin-right:auto}.notice{border:1px solid #dcc79f;background:#f8f1e3;color:#846a3c;padding:12px 17px;font-size:11px;border-radius:8px;margin-bottom:20px}.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin:25px 0 22px;overflow:auto}.tabs button{padding:12px 18px;white-space:nowrap;font-size:12px}.tabs button.selected{color:#997239;border-bottom:2px solid var(--gold)}.reader{max-width:780px;margin:auto}.arabic{font:26px/2.5 'Traditional Arabic',Georgia,Tahoma;text-align:justify;padding:25px 10px}.reader-tag{font-size:11px;color:#a27d45}.reader-tools{display:flex;gap:10px;align-items:center}.reader-tools button{border:1px solid var(--line);border-radius:6px;padding:4px 12px}.glossary{display:grid;grid-template-columns:1fr 1fr;gap:12px}.term{padding:18px;border:1px solid var(--line);border-radius:9px}.term b{display:block;color:#997239}.choice{display:block;width:100%;padding:15px 20px;border:1px solid var(--line);border-radius:9px;margin:12px 0;text-align:right}.choice.picked{border-color:var(--gold);background:#f8f1e3}.choice.correct{border-color:#599b78;background:#eaf4ed}.choice.wrong{border-color:#b96969;background:#f9eded}.feedback{margin:17px 0;padding:16px;border-radius:9px;background:var(--soft)}.empty{text-align:center;padding:50px 20px}.empty .icon{font-size:45px;color:var(--gold)}.empty h2{margin:15px}.empty p{max-width:500px;margin:0 auto 22px}.search{width:100%;border:1px solid var(--line);background:var(--card);border-radius:9px;padding:12px 17px;color:var(--ink);margin-bottom:22px}.badge{font-size:10px;border-radius:20px;padding:4px 11px;background:var(--soft);color:#597663}.split{display:grid;grid-template-columns:1fr 1fr;gap:20px}.check{display:flex;gap:15px;border-bottom:1px solid var(--line);padding:16px 0}.check span{color:#9d7d45}.small-title{font-size:12px;margin-bottom:10px}footer{border-top:1px solid var(--line);font-size:10px;color:var(--muted);padding:22px 0;display:flex;justify-content:space-between}footer button{font-size:10px}dialog{border:0;border-radius:15px;padding:35px;background:var(--card);color:var(--ink);max-width:500px;width:90%}dialog::backdrop{background:#092b3890}.close{position:absolute;left:12px;top:8px;font-size:25px}#toast{position:fixed;bottom:25px;left:30px;background:var(--deep);color:white;padding:12px 24px;border-radius:8px;font-size:12px;z-index:20;display:none}.dark{--paper:#122c35;--card:#183640;--ink:#e0eae5;--muted:#9fb6b5;--line:#2b4952;--soft:#28464b}.dark .notice{background:#3a372a}.dark .offline{background:#28464b;color:#c7d6bc}.dark .choice.picked{background:#4a4230}button:focus-visible,a:focus-visible{outline:3px solid #cba76c;outline-offset:3px}@media(min-width:1500px){.shell{padding:0 75px}.cover{height:200px}}@media(max-width:1100px){aside{width:205px;padding:30px 18px}.shell{margin-right:205px;padding:0 25px}.grid{grid-template-columns:repeat(2,1fr)}.hero-art{left:20px;opacity:.3}}@media(max-width:650px){body{font-size:14px}aside{top:auto;bottom:0;width:100%;height:68px;padding:0 8px;display:block;background:var(--deep)}.brand,.aside-bottom{display:none}nav{margin:0;display:flex;justify-content:space-around;gap:0;height:100%}nav a{padding:6px;font-size:9px;flex-direction:column;gap:0;border-radius:0;justify-content:center}nav a i{font-size:20px;font-style:normal}nav a.active{box-shadow:inset 0 2px var(--gold)}.shell{margin:0;padding:0 19px 68px}header{height:89px}.header-actions{gap:10px}.offline{font-size:8px;padding:4px 7px}header h2{font-size:18px}.eyebrow{font-size:9px}.hero{padding:26px 23px;min-height:235px}.hero h1{font-size:27px}.hero p{font-size:11px;max-width:240px}.hero-art{left:-55px;top:35px}.stats{gap:8px}.stat{padding:13px 9px;gap:7px}.stat strong{font-size:20px}.stat small{font-size:8px}.stat i{font-size:16px}.grid{gap:12px}.book{padding:11px}.cover{height:155px}.cover b{font-size:20px}.lower,.split{grid-template-columns:1fr}.section-head h3{font-size:16px}.panel{padding:18px}.arabic{font-size:24px;line-height:2.3}.glossary{grid-template-columns:1fr}.tabs button{padding:10px 13px}footer span{display:none}.lesson-row .button{padding:7px 11px}.header-actions #theme{display:none}}

/* Section study pages */
.section-intro{margin:28px 0}.section-intro h1{font-size:34px;margin:14px 0}.study-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:24px;align-items:start}.section-study h2{font-size:23px;margin:14px 0}.summary-text{font-size:22px;line-height:2.1;margin:16px 0 34px}.understanding{padding:0;list-style:none;counter-reset:points}.understanding li{counter-increment:points;position:relative;padding:20px 52px 20px 18px;line-height:1.95;border-bottom:1px solid var(--line,#dedbd2);font-size:18px}.understanding li:before{content:counter(points);position:absolute;right:0;top:22px;border-radius:50%;background:#b2955e22;color:#a58e64;width:32px;height:32px;text-align:center;line-height:32px;font-weight:bold}.reflection{background:#a58e6415;border-right:3px solid #a58e64;padding:24px;margin-top:30px;border-radius:10px}.reflection h3{line-height:1.9;margin:12px 0}.source-panel{position:sticky;top:25px;line-height:1.95}.source-panel h2{font-size:23px;margin:12px 0}.source-panel .button{display:flex;margin:20px 0;text-align:center;justify-content:center}.source-panel p,.source-panel small{font-size:14px}.source-panel hr{border:0;border-top:1px solid #a58e6444;margin:24px 0}.boundary-note{padding:12px;background:#a58e6415;border-radius:8px}.section-pagination{display:flex;justify-content:space-between;gap:15px;margin-top:26px}
@media(max-width:1000px){.study-layout{grid-template-columns:1fr}.source-panel{position:static}}@media(max-width:600px){.summary-text{font-size:20px}.section-intro h1{font-size:29px}.section-pagination .button{font-size:13px}.understanding li{font-size:17px}}

.study-jumps{display:flex;flex-wrap:wrap;gap:9px;height:auto;margin:0 0 24px}.study-jumps a{display:block;padding:8px 16px;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:30px;font-size:12px}.study-jumps a:hover{background:var(--soft)}.explanation-block,.map-block{margin-top:36px;padding-top:22px;border-top:1px solid var(--line)}.explanation-block h3{font-size:20px;line-height:1.8;margin:10px 0}.explanation-text{font-size:20px;line-height:2.1}.teaching-example{margin:20px 0;background:var(--soft);padding:20px 23px;border-radius:12px;border-right:3px solid #698678}.teaching-example b{color:#8e7040}.teaching-example p{font-size:17px;line-height:2;margin:8px 0}.teaching-example small{font-size:11px}.map-block h2{margin:10px 0}.mindmap{padding:25px 0}.map-root{background:var(--navy);color:#f4e4c4;border-radius:12px;padding:16px;text-align:center;font-weight:bold;max-width:370px;margin:0 auto 28px;position:relative}.map-root:after{content:'';width:2px;height:28px;background:#c2a16c;position:absolute;bottom:-28px;left:50%}.map-branches{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;position:relative;padding-top:18px;border-top:2px solid #c2a16c;margin:0 10px}.map-branch{background:var(--soft);border:1px solid var(--line);border-radius:10px;position:relative;align-self:start}.map-branch:before{content:'';position:absolute;top:-20px;height:18px;width:2px;background:#c2a16c;left:50%}.map-branch summary{cursor:pointer;list-style:none;padding:15px 10px;text-align:center;font-size:14px;font-weight:bold;min-height:55px}.map-branch summary::-webkit-details-marker{display:none}.map-branch summary span{display:block;color:#a17e44;font-size:16px}.map-branch[open] summary span{transform:rotate(45deg)}.map-branch p{padding:0 14px 16px;font-size:14px;line-height:1.9;text-align:center}.nasab-figure{margin:36px 0 0;border-top:1px solid var(--line);padding-top:15px}.nasab-figure .section-head{flex-wrap:wrap;gap:12px}.nasab-figure img{display:block;width:100%;height:auto;border-radius:15px;border:1px solid var(--line);background:#f8f6ef}.nasab-figure figcaption{font-size:14px;line-height:2;margin:15px 0}.nasab-figure p{font-size:12px;line-height:2}.nasab-figure a:not(.button){text-decoration:underline;text-underline-offset:3px}#summary,#explanation,#mindmap{scroll-margin-top:25px}@media(max-width:650px){.study-jumps{justify-content:flex-start;gap:7px}.study-jumps a{font-size:11px;padding:7px 11px}.explanation-text{font-size:18px}.map-branches{gap:7px;margin:0}.map-branch summary{font-size:12px;padding:13px 6px}.map-branch p{font-size:12px;padding:0 8px 12px}.map-root{font-size:15px}.teaching-example{padding:17px}.teaching-example p{font-size:16px}}