.br{max-width:1100px}.br .hero{padding-block:48px 30px}.br .hero .badge{margin-bottom:18px}.br .hero h1{font-size:clamp(2.3rem,5.5vw,3.8rem);letter-spacing:-.04em}.br .hero p{max-width:52ch;margin-top:16px}.br-panel{padding:24px;border:1px solid var(--line);border-radius:14px;margin-bottom:24px}.br-panel h2{margin-bottom:16px}.br-drop{border:2px dashed var(--line);border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:14px;padding:30px 16px;background:var(--soft);text-align:center}.br-drop.dragging{border-color:var(--accent);box-shadow:inset 0 0 0 2px var(--accent)}.br-symbol{font-size:2rem;line-height:1;color:var(--accent)}.br-drop strong{font-size:1.2rem}.br-drop .muted{font-size:.85rem}.br-drop input{max-width:100%;font:inherit;font-size:.85rem}.br-drop input::file-selector-button{border:0;border-radius:8px;background:var(--accent);color:var(--accent-ink);padding:10px 16px;font:inherit;font-weight:600;cursor:pointer;margin-right:10px}.br-actions{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.br-note{font-size:.85rem;color:var(--muted);max-width:85ch;margin-bottom:0}.br-heading{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.br-heading h2{margin-bottom:8px}.br-heading p{font-size:.9rem;overflow-wrap:anywhere}.br-heading>div{min-width:0}.br-heading .badge{white-space:nowrap}.br-previews{display:grid;grid-template-columns:1fr 1fr;gap:18px}.br figure{margin:0;min-width:0}.br figcaption{font-size:.85rem;font-weight:600;display:flex;justify-content:space-between;gap:12px;margin-bottom:8px}.br figcaption span{font-weight:400;color:var(--muted)}.br-stage{background:var(--soft);border:1px solid var(--line);border-radius:10px;overflow:hidden;min-height:220px;aspect-ratio:1;display:flex;align-items:center;justify-content:center}.br-checker{background-color:#fff;background-image:conic-gradient(#e5e7eb 25%,transparent 0 50%,#e5e7eb 0 75%,transparent 0);background-size:24px 24px}.br-stage canvas{display:block;width:100%;height:100%;object-fit:contain}.br-stage p{background:var(--bg);padding:12px;border-radius:8px;color:var(--muted);text-align:center;margin:12px;font-size:.9rem}.br progress{width:100%;height:10px;accent-color:var(--accent)}#br-status{font-size:.9rem;color:var(--muted)}#br-error{color:var(--danger);margin:16px 0 0}.br fieldset{border:1px solid var(--line);border-radius:10px;padding:14px;display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px;margin:20px 0}.br legend{font-size:.9rem;font-weight:600;padding:0 6px}.br fieldset label{display:flex;align-items:center;gap:6px;font-size:.9rem}.br input[type=radio]{accent-color:var(--accent)}.br input[type=color]{height:34px;width:48px;padding:2px;background:var(--bg);border:1px solid var(--line);border-radius:5px}.br button:disabled{opacity:.6;cursor:wait}.br-help{padding-block:12px}.br-help h2{margin-bottom:24px}.br-help h3{font-size:1rem}.br-help p{color:var(--muted);font-size:.9rem}.br-help>.grid{margin-bottom:20px}.br [hidden]{display:none!important}@media(max-width:650px){.br-panel{padding:16px}.br-previews{gap:10px}.br-stage{min-height:140px}.br .hero{padding-top:30px}.br figcaption{display:block}.br figcaption span{display:block}.br-heading{flex-wrap:wrap}}@media(max-width:420px){.br-previews{grid-template-columns:1fr}.br-stage{max-height:330px}.br .hero h1{font-size:2.6rem}}