.duel{max-width:900px}.availability,.arena-title{display:flex;justify-content:space-between;align-items:center;gap:12px}.availability{padding:16px;background:var(--panel);border-radius:14px}.availability input{width:20px;height:20px;vertical-align:middle;accent-color:var(--accent)}h2{font-size:19px}h2 small{color:var(--muted);font-size:13px}.help{font-size:12px;line-height:1.7;color:var(--muted)}.online-list{display:grid;gap:10px}.stacker{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px}.stacker span{flex:1;overflow-wrap:anywhere}.stacker button{width:auto;min-width:100px;padding:10px}.arena{border:1px solid var(--line);border-radius:20px;padding:16px;margin-top:16px;scroll-margin-top:12px}.arena-title{margin-bottom:14px;color:var(--accent)}#countdown{font-size:30px;font-weight:900}.players{display:grid;grid-template-columns:1fr 1fr;gap:12px}.player{min-width:0;overflow:hidden;border-radius:12px;background:#152333}.player video{display:block;width:100%;aspect-ratio:3/4;object-fit:contain;background:#050b12}.player>div{padding:14px 8px;text-align:center}.player span{font-size:12px;color:var(--muted);display:block}.player strong{font:700 clamp(28px,6vw,50px) monospace;display:block;margin-top:8px}.result{text-align:center;color:#b5f36e;font-size:42px;font-weight:900}.setup{margin-top:16px}.duel-controls{position:sticky;bottom:0;background:#0b0f17f5;padding:12px 0 max(12px,env(safe-area-inset-bottom));display:flex;gap:10px}.duel-controls button{flex:1}.privacy a{color:var(--accent)}@media(max-width:440px){.arena{padding:10px}.players{gap:7px}.player>div{padding:12px 4px}.availability{font-size:13px}}
.camera-choice input[type="text"]{flex:1;min-width:0;min-height:44px;padding:10px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--text);font:inherit}.camera-choice input:disabled{opacity:.6}