:root{--green-dark:#0a4636;--green:#0d5c46;--green-light:#17795d;--gold:#c9a227;--gold-light:#e6c96a;--cream:#faf6ec;--cream-dark:#f0e9d8;--ink:#24312c;--ink-soft:#5b6b64;--white:#fff;--danger:#b3432b;--radius:18px;--shadow:0 4px 14px #0a46361f;--font-ui:"Nunito", "Noto Sans Bengali", sans-serif;--font-bn:"Noto Sans Bengali", "Nunito", sans-serif;--font-ar:"Amiri Quran", "Scheherazade New", "Noto Naskh Arabic", "Amiri", serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}body{background:var(--cream);color:var(--ink);font-family:var(--font-ui);min-height:100vh}body[data-lang=bn]{font-family:var(--font-bn)}#root{flex-direction:column;width:100%;max-width:520px;min-height:100vh;margin:0 auto;display:flex}#root.reading{max-width:720px}button{cursor:pointer;border:none;font-family:inherit}.header{z-index:10;background:var(--green);color:var(--white);padding:14px 16px;padding-top:calc(14px + env(safe-area-inset-top));box-shadow:var(--shadow);align-items:center;gap:12px;display:flex;position:sticky;top:0}.header .title{white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:1.05rem;font-weight:700;overflow:hidden}.icon-btn{color:var(--white);background:#ffffff24;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:1.15rem;display:flex}.icon-btn:active{background:#ffffff47}.lang-toggle{background:var(--gold);color:var(--green-dark);border-radius:999px;flex-shrink:0;padding:8px 14px;font-size:.85rem;font-weight:800}.lang-toggle:active{background:var(--gold-light)}.main{flex:1;padding:18px 16px 40px}.hero{background:linear-gradient(140deg, var(--green) 0%, var(--green-light) 100%);color:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px;padding:22px 20px;position:relative;overflow:hidden}.hero:after{content:"قرآن";font-family:var(--font-ar);opacity:.12;pointer-events:none;font-size:6rem;position:absolute;bottom:-30px;right:-10px}.hero h2{margin:0 0 6px;font-size:1.3rem}.hero p{opacity:.9;margin:0 0 14px;font-size:.9rem}.progress-track{background:#ffffff40;border-radius:999px;height:10px;overflow:hidden}.progress-fill{background:var(--gold);border-radius:999px;height:100%;transition:width .4s}.progress-label{color:var(--gold-light);margin-top:8px;font-size:.8rem;font-weight:700}.lesson-list{flex-direction:column;gap:12px;display:flex}.lesson-card{text-align:left;background:var(--white);border-radius:var(--radius);width:100%;box-shadow:var(--shadow);border:2px solid #0000;align-items:center;gap:14px;padding:14px 16px;transition:transform .12s;display:flex}.lesson-card:not(.locked):active{border-color:var(--gold);transform:scale(.98)}.lesson-card.locked{opacity:.55;cursor:not-allowed}.lesson-card .glyph{font-family:var(--font-ar);color:var(--green);background:var(--cream-dark);letter-spacing:0;border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;width:56px;height:56px;font-size:1.9rem;line-height:1;display:flex;overflow:visible}.lesson-card.done .glyph{background:var(--green);color:var(--gold-light)}.lesson-card .info{flex:1;min-width:0}.lesson-card .info h3{margin:0 0 2px;font-size:1rem}.lesson-card .info p{color:var(--ink-soft);margin:0;font-size:.8rem}.lesson-card .status{color:var(--green);flex-shrink:0;font-size:1.2rem;font-weight:800}.lesson-card .status.lock{color:var(--ink-soft)}.lesson-progress{align-items:center;gap:10px;margin-bottom:16px;display:flex}.lesson-progress .progress-track{background:var(--cream-dark);flex:1}.lesson-progress span{color:var(--ink-soft);flex-shrink:0;font-size:.85rem;font-weight:700}.letter-card{background:var(--white);box-shadow:var(--shadow);text-align:center;border:2px solid var(--cream-dark);border-radius:24px;padding:30px 20px 26px}.letter-card .arabic{font-family:var(--font-ar);color:var(--green-dark);word-spacing:.18em;letter-spacing:0;font-feature-settings:"liga" 1, "calt" 1, "rlig" 1, "locl" 1, "mark" 1, "mkmk" 1;direction:rtl;unicode-bidi:isolate;margin-bottom:6px;padding:.25em .2em;font-size:clamp(3.4rem,20vw,6.2rem);line-height:2.2;overflow:visible}.letter-card .arabic.small{font-size:clamp(2.6rem,14vw,4.2rem)}.letter-card .name{color:var(--green);margin:0 0 4px;font-size:1.4rem;font-weight:800}.letter-card .translit{color:var(--gold);letter-spacing:.04em;margin:0 0 10px;font-size:.95rem;font-weight:700}.letter-card .desc{color:var(--ink-soft);max-width:320px;margin:0 auto 18px;font-size:.92rem;line-height:1.55}.listen-btn{background:var(--green);color:var(--white);box-shadow:var(--shadow);border-radius:999px;align-items:center;gap:8px;padding:13px 26px;font-size:1rem;font-weight:800;display:inline-flex}.listen-btn:active{background:var(--green-light)}.nav-row{gap:12px;margin-top:18px;display:flex}.nav-btn{background:var(--white);color:var(--green);border:2px solid var(--green);border-radius:14px;flex:1;padding:14px;font-size:1rem;font-weight:800}.nav-btn:disabled{opacity:.35;cursor:not-allowed}.nav-btn.primary{background:var(--green);color:var(--white)}.nav-btn.gold{background:var(--gold);border-color:var(--gold);color:var(--green-dark)}.quiz-question{text-align:center;color:var(--ink-soft);margin-bottom:8px;font-size:.9rem;font-weight:700}.quiz-options{grid-template-columns:1fr 1fr;gap:12px;margin-top:20px;display:grid}.quiz-option{background:var(--white);border:2px solid var(--cream-dark);color:var(--ink);border-radius:14px;padding:16px 10px;font-size:1rem;font-weight:700}.quiz-option:active{border-color:var(--gold)}.quiz-option.correct{color:#205c39;background:#e3f2e8;border-color:#2e7d4f}.quiz-option.wrong{border-color:var(--danger);color:var(--danger);background:#fbe9e4}.quiz-result{text-align:center;background:var(--white);box-shadow:var(--shadow);border-radius:24px;padding:34px 22px}.quiz-result .big{font-size:3rem;font-family:var(--font-ar);color:var(--green);margin-bottom:10px}.quiz-result h3{color:var(--green-dark);margin:0 0 8px;font-size:1.3rem}.quiz-result p{color:var(--ink-soft);margin:0 0 20px}.settings-section{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:18px}.settings-section h3{color:var(--green-dark);margin:0 0 12px;font-size:1rem}.choice-row{gap:10px;display:flex}.choice-btn{border:2px solid var(--cream-dark);background:var(--cream);color:var(--ink);border-radius:12px;flex:1;padding:13px;font-size:.95rem;font-weight:800}.choice-btn.active{background:var(--green);border-color:var(--green);color:var(--white)}.danger-btn{width:100%;color:var(--danger);background:#fbe9e4;border:2px solid #f0cfc5;border-radius:12px;padding:13px;font-size:.95rem;font-weight:800}.hint{color:var(--ink-soft);margin:10px 0 0;font-size:.8rem;line-height:1.5}.author-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow);text-align:center;border:2px solid var(--cream-dark);margin-top:24px;padding:18px 16px}.author-label{color:var(--ink-soft);margin:0 0 4px;font-size:.8rem;font-weight:700}.author-name,.dev-name{color:var(--green-dark);margin:0 0 12px;font-size:1.15rem;font-weight:800}.dev-links{gap:10px;display:flex}.dev-links a{text-align:center;background:var(--cream);border:2px solid var(--cream-dark);color:var(--green);border-radius:12px;flex:1;padding:11px;font-size:.9rem;font-weight:800;text-decoration:none}.dev-links a:active{border-color:var(--gold)}.author-email{color:var(--ink-soft);word-break:break-all;margin-top:12px;font-size:.85rem;font-weight:600;text-decoration:none;display:inline-block}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.quran-entry{text-align:left;background:var(--white);border-radius:var(--radius);width:100%;box-shadow:var(--shadow);border:2px solid var(--gold);align-items:center;gap:14px;margin-bottom:16px;padding:14px 16px;display:flex}.quran-entry .info{flex:1;min-width:0}.quran-entry .info h3{margin:0 0 2px;font-size:1rem}.quran-entry .info p{color:var(--ink-soft);margin:0;font-size:.8rem}.quran-entry .status{color:var(--green);font-size:1.2rem;font-weight:800}.search-wrap{margin-bottom:14px;display:block}.search-input{border:2px solid var(--cream-dark);background:var(--white);width:100%;color:var(--ink);border-radius:14px;padding:12px 14px;font-family:inherit;font-size:1rem}.search-input:focus{border-color:var(--green);outline:none}.surah-card .surah-num{background:var(--cream-dark);width:42px;height:42px;color:var(--green-dark);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;font-weight:800;display:flex}.glyph.surah-ar{font-family:var(--font-ar);direction:rtl;width:auto;min-width:56px;padding:0 8px;font-size:1.35rem;line-height:2.2;overflow:visible}.quran-arabic{font-family:var(--font-ar);text-align:right;color:var(--green-dark);letter-spacing:0;word-spacing:.22em;white-space:normal;-webkit-hyphens:none;hyphens:none;font-kerning:none;font-variant-ligatures:common-ligatures discretionary-ligatures contextual;font-feature-settings:"liga" 1, "calt" 1, "rlig" 1, "locl" 1, "mark" 1, "mkmk" 1, "curs" 1;-webkit-font-smoothing:antialiased;direction:rtl;unicode-bidi:isolate;margin:0;padding:.45em .2em .55em;font-size:clamp(1.55rem,4.6vw,2.05rem);font-weight:400;line-height:2.45;overflow:visible}.bismillah{text-align:center;color:var(--green);margin:4px 0 18px;font-size:clamp(1.45rem,4.2vw,1.9rem)}.main-reader{padding-bottom:108px}.reader-head{margin-bottom:14px}.reader-title{color:var(--green-dark);margin:0 0 4px;font-size:1.25rem}.reader-meta{color:var(--ink-soft);margin:0;font-size:.88rem}.reader-name-ar{font-family:var(--font-ar);direction:rtl;unicode-bidi:isolate;font-size:1.2rem;line-height:2.2}.reader-toggles{margin-bottom:16px}.ayah-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.ayah-row{background:var(--white);border:2px solid var(--cream-dark);cursor:pointer;border-radius:18px;align-items:flex-start;gap:10px;padding:12px 12px 14px;display:flex;overflow:visible}.ayah-row.active{border-color:var(--gold);box-shadow:var(--shadow);background:#fffaf0}.ayah-badge{border:1px solid var(--gold);min-width:32px;height:32px;color:var(--green);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:.85em;font-size:.78rem;font-weight:800;display:inline-flex}.ayah-body{flex:1;min-width:0;overflow:visible}.ayah-translation{color:var(--ink-soft);text-align:left;margin:0;padding:.15em .1em .35em;font-size:.95rem;line-height:1.7}body[data-lang=bn] .ayah-translation{font-family:var(--font-bn);text-align:left}.layout-split .ayah-body{grid-template-columns:1fr;gap:8px;display:grid}@media (width>=640px){.layout-split .ayah-body{grid-template-columns:1.15fr .85fr;align-items:start;gap:18px}.layout-split .quran-arabic{padding-inline-end:8px}.layout-split .ayah-translation{border-inline-start:2px solid var(--cream-dark);padding-top:.55em;padding-inline-start:14px}}.audio-bar{z-index:8;background:var(--green);color:var(--white);box-shadow:var(--shadow);border-radius:18px;align-items:center;gap:12px;margin-top:18px;padding:10px 12px;display:flex;position:sticky;bottom:12px}.audio-ctrl{background:#ffffff29}.audio-info{flex-direction:column;flex:1;min-width:0;display:flex}.audio-info strong{font-size:.9rem}.audio-info span{opacity:.85;font-size:.75rem}.reader-nav{margin-top:16px}