:root{--bg: #0b0b0d;--card: #16161a;--line: #2a2a31;--text: #eef0f4;--muted: #9aa0aa;--accent: #3b82f6;--warn: #facc15;--bad: #f87171;--radius: 14px}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font:16px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif;-webkit-text-size-adjust:100%}#root{height:100%}.v-card{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:28px 22px;text-align:center}.v-card h1{margin:0;font-size:24px;font-weight:650}.v-sub{margin:0;color:var(--muted);max-width:30rem}.v-alt{margin:6px 0 0;color:var(--muted);font-size:14px;max-width:30rem;border-top:1px solid var(--line);padding-top:12px}.v-fine{color:var(--muted);font-size:13px;margin:6px 0 0}.v-fine--float{position:absolute;left:0;right:0;bottom:76px;text-align:center;pointer-events:none;opacity:.75}.v-icp{margin:18px 0 0;font-size:12px}.v-icp a{color:#6b7280;text-decoration:none}.v-card--fail h1{color:var(--bad)}.v-join{margin-top:10px;min-height:54px;padding:0 34px;font-size:18px;font-weight:600;color:#fff;background:var(--accent);border:0;border-radius:var(--radius);cursor:pointer}.v-join:active{transform:translateY(1px)}.v-spinner{width:34px;height:34px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.v-spinner{animation:none}}.v-room{position:relative;height:100%;display:flex;flex-direction:column}.v-stage{flex:1;min-height:0;display:flex;flex-direction:column;gap:6px;padding:6px}.v-grid{flex:1;min-height:0;display:grid;gap:6px;grid-template-columns:1fr}.v-stage--focus .v-tile--share{flex:1;min-height:0}.v-strip{display:flex;gap:6px;height:22%;max-height:160px}.v-strip .v-tile{flex:0 0 auto;aspect-ratio:4 / 3}.v-tile{position:relative;background:#000;border-radius:10px;overflow:hidden;min-height:0}.v-tile video{width:100%;height:100%;object-fit:contain;display:block}.v-tile--empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:var(--card);border:1px solid var(--line)}.v-avatar{width:56px;height:56px;border-radius:50%;background:var(--line);display:flex;align-items:center;justify-content:center;font-weight:650}.v-name{position:absolute;left:8px;bottom:8px;padding:3px 8px;font-size:13px;border-radius:8px;background:#0000008c}.v-tile--empty .v-name{position:static;background:none;color:var(--muted)}.v-banner{position:absolute;top:10px;left:50%;transform:translate(-50%);padding:10px 16px;border-radius:999px;font-size:15px;border:0;color:#111}.v-banner--warn{background:var(--warn)}.v-banner--action{background:#fff;font-weight:650;cursor:pointer;min-height:46px;padding:0 22px}.v-controls{display:flex;gap:8px;padding:10px 10px calc(10px + env(safe-area-inset-bottom));justify-content:center;border-top:1px solid var(--line);background:var(--card)}.v-btn{min-height:46px;padding:0 16px;font-size:15px;color:var(--text);background:#22222a;border:1px solid var(--line);border-radius:12px;cursor:pointer}.v-btn--on{background:var(--warn);color:#111;border-color:var(--warn)}.v-btn--leave{color:#ffb4b4;border-color:#6b2b2b}.v-sheet{position:absolute;left:0;right:0;bottom:0;max-height:60%;display:flex;flex-direction:column;background:var(--card);border-top:1px solid var(--line);border-radius:var(--radius) var(--radius) 0 0;padding:10px;gap:8px}.v-sheet-list{overflow-y:auto;display:flex;flex-direction:column;gap:6px}.v-msg{font-size:15px}.v-msg b{color:var(--muted);font-weight:600;margin-right:4px}.v-sheet-compose{display:flex;gap:8px}.v-input{flex:1;min-height:46px;font-size:16px;padding:0 12px;color:var(--text);background:#101014;border:1px solid var(--line);border-radius:12px}.v-sheet-close{align-self:center;background:none;border:0;color:var(--muted);font-size:14px;padding:6px;cursor:pointer}@media(min-width:760px){.v-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.v-strip{height:140px}}