:root{--bg: #0b0d10;--surface: #14181d;--surface-2: #1b2027;--line: #2a323c;--text: #e8edf2;--muted: #97a3b0;--accent: #4c8dff;--danger: #ff6b6b;--bar-h: auto;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,sans-serif;font-size:15px;line-height:1.5;overflow-x:hidden}.app{width:100%;min-height:100dvh;display:flex;flex-direction:column}.bar{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid var(--line);padding:max(6px,env(safe-area-inset-top)) 8px 6px;display:flex;flex-direction:column;gap:6px}.bar-add{display:flex;gap:6px}.bar-rows{display:flex;flex-wrap:wrap;align-items:center;gap:4px 14px}.bar-row{display:flex;align-items:center;gap:4px;flex-wrap:wrap;flex:0 1 auto;min-height:30px}.bar-label{font-size:.72rem;color:var(--muted);margin-right:2px;flex:0 0 auto}.bar-spacer{flex:1 1 auto}.bar-error{margin:0;color:var(--danger);font-size:.8rem}input,textarea,select{font-family:inherit;font-size:16px;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:6px 8px;width:100%;min-height:36px}button{font:inherit;color:var(--text);background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:4px 8px;cursor:pointer;min-height:30px;flex:0 0 auto}button:disabled{opacity:.45;cursor:not-allowed}.bar-add button{width:44px;font-size:1.05rem}.chip{min-width:30px;padding:2px 8px;font-size:.85rem;font-variant-numeric:tabular-nums}.chip.on{border-color:var(--accent);color:var(--accent);background:color-mix(in srgb,var(--accent) 14%,var(--surface-2))}.authbar{display:flex;align-items:center;gap:6px;font-size:.75rem;color:var(--muted)}.auth-item{display:inline-flex;align-items:center;gap:4px}.auth-item button{font-size:.75rem;min-height:26px;padding:2px 6px}.auth-disabled{opacity:.5}.stage{flex:1 1 auto;display:flex;flex-direction:column;min-width:0}.grid{display:grid;gap:0;grid-template-columns:repeat(var(--cols, 1),minmax(0,1fr));min-width:0;align-content:start;align-items:start}.grid[data-cols=auto]{grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr))}.tile{position:relative;min-width:0;background:#000;border:0;line-height:0}.player-frame{position:relative;width:100%;aspect-ratio:16 / 9;background:#000}.player-frame .player-host,.player-frame iframe,.player-frame .twitch-host{position:absolute;inset:0;width:100%;height:100%;border:0}.player-error{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:12px;color:var(--danger);font-size:.8rem;line-height:1.4}.tile-tag,.tile-close{position:absolute;top:4px;z-index:2;line-height:1;opacity:.35;transition:opacity .15s}.tile-tag{left:4px;display:flex;align-items:center;gap:3px;padding:2px 5px;border-radius:4px;background:#0000008c;font-size:.72rem;color:#fff;font-variant-numeric:tabular-nums}.tile[data-audio=on] .tile-tag{opacity:.9;background:color-mix(in srgb,var(--accent) 70%,rgba(0,0,0,.6))}.tile-close{right:4px;min-height:22px;padding:1px 6px;font-size:.72rem;background:#0000008c;border-color:transparent;border-radius:4px}.tile:hover .tile-tag,.tile:hover .tile-close,.tile:focus-within .tile-tag,.tile:focus-within .tile-close{opacity:1}.chatdock{border-top:1px solid var(--line);min-width:0;line-height:1.5}.chat-wrap{display:flex;flex-direction:column;height:40dvh}.chat-tabs{display:flex;gap:4px;padding:4px 6px;border-bottom:1px solid var(--line);align-items:stretch}.chat-tabs button{display:flex;flex-direction:column;align-items:flex-start;gap:0;line-height:1.2;padding:3px 8px}.chat-tabs button small{font-size:.62rem;color:var(--muted);font-weight:400}.chat-tabs button.active{border-color:var(--accent);color:var(--accent)}.chat-tabs .chat-close{margin-left:auto;align-self:center}.chat-frame{flex:1 1 auto;width:100%;border:0;background:#18181b}.chat{flex:1 1 auto;display:flex;flex-direction:column;min-height:0}.chat-status{font-size:.7rem;color:var(--muted);padding:3px 6px;border-bottom:1px solid var(--line)}.chat-list{flex:1 1 auto;min-height:0;overflow-y:auto;padding:4px 6px;font-size:.85rem;overflow-wrap:anywhere}.chat-msg{padding:1px 0}.chat-user{font-weight:600;margin-right:5px}.chat-empty,.chat-note{color:var(--muted);font-size:.8rem;padding:6px}.chat-error{color:var(--danger);font-size:.78rem;padding:4px 6px}.chat-quota{font-size:.68rem;color:var(--muted);padding:3px 6px;border-top:1px solid var(--line)}.chat-send{display:flex;gap:5px;padding:5px 6px;border-top:1px solid var(--line)}.chat-send button{flex:0 0 auto}@media(min-width:900px){.stage[data-chat=on]{flex-direction:row}.stage[data-chat=on] .grid{flex:1 1 auto}.chatdock{flex:0 0 320px;border-top:0;border-left:1px solid var(--line);height:calc(100dvh - 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