:root{color-scheme:dark;--lime:#d7ff3f;--muted:#bac1c5;--line:#343c42}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at top,#202a21,transparent 60%),#090b0d;color:#f4f4ef;font:19px/1.6 Arial,sans-serif}a{color:inherit}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:default}[hidden]{display:none!important}header,main,footer{max-width:1020px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}header a{min-height:48px;display:flex;align-items:center;text-decoration:none}.brand{font-weight:800;letter-spacing:.06em;color:var(--lime)}.eyebrow{color:var(--lime);font-size:14px;font-weight:bold;letter-spacing:.12em}h1{font-size:clamp(32px,6vw,58px);line-height:1.15;letter-spacing:-.03em;margin:14px 0 20px}h2{line-height:1.25}p{color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:20px;margin:32px 0}.tile{display:block;background:#14191d;border:1px solid var(--line);border-radius:18px;padding:28px;text-decoration:none;min-height:190px;transition:background .15s}.tile:hover{background:#222d23;border-color:var(--lime)}.tile .symbol{font-size:42px;color:var(--lime)}.tile strong{display:block;font-size:29px}.tile span{color:var(--muted)}.note{font-size:17px;border-left:3px solid var(--lime);padding:8px 18px}.panel{background:#12171b;border:1px solid var(--line);border-radius:18px;padding:clamp(18px,4vw,32px);margin:24px 0}.button,button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:56px;padding:12px 22px;border-radius:12px;border:1px solid var(--line);background:#20282e;color:#fff;text-decoration:none;font-weight:700}.primary{background:var(--lime);color:#111;border-color:var(--lime)}:focus-visible{outline:3px solid var(--lime);outline-offset:5px}.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.muted{color:var(--muted)}label{display:block;font-weight:bold;margin-bottom:12px}input{display:block;width:100%;min-height:60px;padding:14px;border-radius:12px;background:#090d10;color:#fff;border:2px solid #66727a;margin-bottom:14px}form{margin-top:26px}form button{width:100%}#feedback{min-height:32px;margin:12px 0;color:var(--lime)}#history{padding-left:28px}#history li{padding:8px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.hint{background:#1c242a;border-radius:12px;padding:18px;margin:12px 0}.hint h3{font-size:18px;margin:0 0 8px;color:var(--lime)}.hint p{margin:0;color:#fff}summary{cursor:pointer;min-height:48px;padding:12px 0}#result h2{color:var(--lime);font-size:30px}#result img{max-width:100%;max-height:440px;object-fit:contain;border-radius:12px;margin:22px auto;display:block}footer{font-size:15px;color:var(--muted);border-top:1px solid var(--line);margin-top:40px}footer a{display:inline-block;margin:8px}audio{width:100%;margin:14px 0}.crumb{font-size:17px}.progress{font-size:20px;font-weight:bold}.media-note{font-size:16px}@media(max-width:550px){header,main,footer{padding:18px}header{font-size:15px}.tile{padding:22px}.toolbar>*{flex:1}h1{font-size:36px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.tile .symbol{height:78px;display:flex;align-items:flex-start}.tile .symbol svg{display:block;width:64px;height:64px}

/* Stack the brand above navigation on narrow screens. */
@media(max-width:640px){
 header{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:16px;align-items:center}
 header .brand{grid-column:1/-1;min-width:0;overflow-wrap:anywhere;line-height:1.35}
 header>a:not(.brand){min-width:0;line-height:1.4}
 header [data-language-picker]{flex-wrap:wrap;justify-content:flex-end;max-width:100%;gap:6px!important}
 header [data-language-picker] button{padding:8px 10px!important;min-height:44px;font-size:16px}
 main,footer{padding:16px}
}
@media(max-width:360px){header [data-language-picker]{grid-column:1/-1;justify-content:flex-start}}