:root{--font-arabic:"Noto Naskh Arabic","Amiri","Geeza Pro","Traditional Arabic",serif;--font-ui:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-display:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,"Times New Roman",serif;--khatam:polygon(100% 50%,85.4% 35.4%,85.4% 14.6%,64.6% 14.6%,50% 0,35.4% 14.6%,14.6% 14.6%,14.6% 35.4%,0 50%,14.6% 64.6%,14.6% 85.4%,35.4% 85.4%,50% 100%,64.6% 85.4%,85.4% 85.4%,85.4% 64.6%);--page-bg:#f4ead6;--page-deep:#e6d5b6;--panel-bg:#fffaf0;--panel-alt:#fbf1de;--card-bg:#fffdf8;--card-lit:rgba(232,182,76,0.16);--ink:#241a3d;--ink-soft:#6b5a41;--line:#ddc9a2;--accent:#2b3a86;--accent-ink:#fff7e6;--accent-soft:#dfe3f6;--gilt:#8a5f12;--gilt-line:rgba(138,95,18,0.42);--select-bg:#2b3a86;--select-ink:#fff7e6;--danger:#9d3620;--correct:#1c6b52;--tint-correct:#d3ecdd;--tint-wrong:#f6e3c0;--glow:rgba(154,107,22,0.3);--shadow:0 10px 30px rgba(58,41,18,0.16);--lattice:rgba(43,58,134,0.07);--lamp-a:rgba(232,182,76,0.34);--lamp-b:rgba(43,58,134,0.12);--scrim:rgba(36,26,61,0.55);--tap:44px;color-scheme:light}html[data-theme=dark]{--page-bg:#0b0e2a;--page-deep:#05061a;--panel-bg:#161a42;--panel-alt:#1c2150;--card-bg:#1a1e4a;--card-lit:rgba(232,182,76,0.12);--ink:#f7ecd6;--ink-soft:#b8a98d;--line:#38407f;--accent:#e8b64c;--accent-ink:#16112c;--accent-soft:#262c63;--gilt:#f0c96a;--gilt-line:rgba(240,201,106,0.45);--select-bg:#2e3578;--select-ink:#f7ecd6;--danger:#d9694a;--correct:#43bf95;--tint-correct:#1b5147;--tint-wrong:#5b3f1c;--glow:rgba(232,182,76,0.35);--shadow:0 14px 40px rgba(0,0,0,0.55);--lattice:rgba(240,201,106,0.07);--lamp-a:rgba(232,182,76,0.18);--lamp-b:rgba(96,66,180,0.24);--scrim:rgba(2,3,14,0.72);color-scheme:dark}@media (prefers-color-scheme:dark){html:not([data-theme=light]){--page-bg:#0b0e2a;--page-deep:#05061a;--panel-bg:#161a42;--panel-alt:#1c2150;--card-bg:#1a1e4a;--card-lit:rgba(232,182,76,0.12);--ink:#f7ecd6;--ink-soft:#b8a98d;--line:#38407f;--accent:#e8b64c;--accent-ink:#16112c;--accent-soft:#262c63;--gilt:#f0c96a;--gilt-line:rgba(240,201,106,0.45);--select-bg:#2e3578;--select-ink:#f7ecd6;--danger:#d9694a;--correct:#43bf95;--tint-correct:#1b5147;--tint-wrong:#5b3f1c;--glow:rgba(232,182,76,0.35);--shadow:0 14px 40px rgba(0,0,0,0.55);--lattice:rgba(240,201,106,0.07);--lamp-a:rgba(232,182,76,0.18);--lamp-b:rgba(96,66,180,0.24);--scrim:rgba(2,3,14,0.72);color-scheme:dark}}*{box-sizing:border-box}body,html{margin:0;min-height:100%}body{font-family:var(--font-ui);color:var(--ink);background:var(--page-deep)}body:before{z-index:-2;background-image:radial-gradient(110% 70% at 50% -8%,var(--lamp-a),transparent 62%),radial-gradient(90% 60% at 8% 108%,var(--lamp-b),transparent 68%),linear-gradient(180deg,var(--page-bg),var(--page-deep))}body:after,body:before{content:"";position:fixed;inset:0;pointer-events:none}body:after{z-index:-1;background-image:repeating-linear-gradient(0deg,var(--lattice) 0 1px,transparent 1px 64px),repeating-linear-gradient(90deg,var(--lattice) 0 1px,transparent 1px 64px),repeating-linear-gradient(45deg,var(--lattice) 0 1px,transparent 1px 45.25px),repeating-linear-gradient(135deg,var(--lattice) 0 1px,transparent 1px 45.25px);background-position:0 0,0 0,16px 0,16px 0}a{color:var(--accent)}.shell{max-width:52rem;margin:0 auto;padding:1rem 1rem 4rem}.topbar{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;justify-content:space-between;margin-bottom:1.25rem}.app-title{font-family:var(--font-display);font-size:1.35rem;margin:0}.khatam:before{content:"";display:inline-block;width:.72em;height:.72em;margin-right:.5em;vertical-align:baseline;background:var(--gilt);-webkit-clip-path:var(--khatam);clip-path:var(--khatam)}.nav{display:flex;flex-wrap:wrap;gap:.4rem}.btn,.form-toggle,.letter-toggle{min-height:var(--tap);min-width:var(--tap);padding:.55rem .9rem;border-radius:.7rem;border:1px solid var(--line);background:var(--panel-bg);color:var(--ink);font:inherit;cursor:pointer}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600;box-shadow:0 0 0 1px var(--gilt-line)}.btn-correct{background:var(--tint-correct);border-color:var(--correct);color:var(--correct)}.btn-wrong{background:var(--tint-wrong);border-color:var(--danger);color:var(--danger)}.panel{background:var(--panel-bg);border:1px solid var(--line);border-radius:1rem;padding:1rem;box-shadow:var(--shadow)}.hero{display:grid;grid-gap:1rem;gap:1rem}.hero h1{font-family:var(--font-display);font-size:clamp(1.8rem,6vw,2.6rem);margin:0}.invite{margin-top:1rem;padding:.8rem 1rem;background:var(--panel-alt);border:1px dashed var(--gilt-line);border-radius:.8rem}.error,.notice{padding:.75rem 1rem;border-radius:.7rem;margin:.75rem 0}.notice{background:var(--accent-soft)}.error{background:var(--tint-wrong);color:var(--danger)}.card-wrap{position:relative;margin:1rem auto;max-width:22rem;width:100%}.card-arch{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.card-face{position:relative;min-height:14rem;padding:2rem 1rem 1.2rem;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(120% 85% at 50% 26%,var(--card-lit),transparent 68%),var(--card-bg);border:1px solid var(--gilt-line);border-radius:1.6rem 1.6rem .9rem .9rem;box-shadow:var(--shadow)}.glyph{font-family:var(--font-arabic);font-size:clamp(3.2rem,18vw,6.5rem);line-height:1.15;max-width:100%;overflow:visible;text-align:center;direction:rtl}.letter-name{margin-top:.6rem;font-size:1.15rem;color:var(--gilt)}.actions,.box-strip,.form-row,.reward-row{display:flex;flex-wrap:wrap;gap:.5rem;margin:.75rem 0}.box{flex:1 1 3.4rem;min-height:var(--tap);border:1px solid var(--line);border-radius:.6rem;background:var(--panel-alt);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:.85rem}.letter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(4.6rem,1fr));grid-gap:.4rem;gap:.4rem}.form-toggle[aria-pressed=true],.letter-toggle[aria-pressed=true]{background:var(--select-bg);color:var(--select-ink);border-color:var(--select-bg)}.letter-toggle .ar{font-family:var(--font-arabic);font-size:1.35rem;display:block}.field{display:grid;grid-gap:.35rem;gap:.35rem;margin:.8rem 0}.field input,.field select{min-height:var(--tap);font:inherit;padding:.4rem .6rem;border-radius:.6rem;border:1px solid var(--line);background:var(--card-bg);color:var(--ink)}.help{position:fixed;inset:0;background:var(--scrim);display:grid;place-items:center;padding:1rem}.help-card{max-width:28rem;width:100%}@media (prefers-reduced-motion:reduce){*,:after,:before{transition-property:opacity!important;transition-duration:80ms!important;transition-timing-function:linear!important;animation:none!important}}