:root{--bg: #0d1117;--fg: #e6edf3;--muted: #8b949e;--accent: #58a6ff;--border: #30363d;--chip-bg: rgba(0, 0, 0, .65);--red: #f85149}*{box-sizing:border-box}[hidden]{display:none!important}html,body{height:100%;margin:0}body{background:var(--bg);color:var(--fg);font:13px/1.4 system-ui,sans-serif;overflow:hidden}#app{height:100%;display:flex;flex-direction:column}#grid{flex:1;min-height:0;display:grid;gap:4px;padding:4px}.tile{position:relative;background:#000;overflow:hidden;outline:1px solid #21262d;cursor:pointer;min-width:0;min-height:0}.tile.selected{outline:2px solid var(--accent);outline-offset:-2px}body.focus-mode .tile:not(.focused){display:none}.tile.focused{grid-column:1 / -1;grid-row:1 / -1}body.focus-mode #banner{display:none!important}.tile video{width:100%;height:100%;object-fit:contain;display:block;pointer-events:none}.chip{position:absolute;left:6px;bottom:6px;display:flex;gap:6px;align-items:center;background:var(--chip-bg);padding:2px 8px;border-radius:4px;max-width:calc(100% - 32px)}.chip .idx{color:var(--muted)}.chip .title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tile.selected .chip:after{content:"🔊"}.dot{width:8px;height:8px;border-radius:50%;background:#3fb950;flex:none}.tile.loading .dot{background:var(--muted)}.tile.buffering .dot{background:#d29922}.tile.error .dot{background:var(--red)}.meter{position:absolute;top:4px;right:4px;bottom:4px;width:14px;height:calc(100% - 8px);pointer-events:none}body.meters-off .meter{display:none}.stats{display:none;position:absolute;top:6px;left:6px;background:var(--chip-bg);padding:6px 10px;border-radius:4px;min-width:200px;font-size:12px}.tile:hover .stats,body.stats-pinned .stats{display:block}.stats>div{display:flex;justify-content:space-between;gap:12px}.stats span:first-child{color:var(--muted)}.tile-error{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:12px;text-align:center;color:var(--red);background:#1a0505e6}#banner{position:absolute;top:8px;left:50%;transform:translate(-50%);z-index:10;background:#6e2c00;padding:6px 14px;border-radius:6px;max-width:90vw}#audio-hint{position:absolute;bottom:12px;left:50%;transform:translate(-50%);z-index:10;background:var(--chip-bg);color:var(--muted);padding:4px 12px;border-radius:6px}#panel{position:fixed;top:0;right:0;bottom:0;width:min(480px,100vw);background:#161b22;border-left:1px solid var(--border);display:flex;flex-direction:column;gap:8px;padding:12px;z-index:20}#panel header{display:flex;justify-content:space-between;align-items:center}#panel h2{margin:0;font-size:15px}#panel-json{flex:1;resize:none;background:var(--bg);color:var(--fg);border:1px solid var(--border);border-radius:6px;padding:8px;font:12px/1.5 ui-monospace,Cascadia Mono,Consolas,monospace}#panel-errors{color:var(--red);white-space:pre-wrap;word-break:break-all;max-height:30%;overflow:auto}#panel footer{display:flex;gap:8px}button{background:#21262d;color:var(--fg);border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer;font:inherit}button:hover{background:var(--border)}#panel-close{padding:2px 10px;font-size:16px}