:root{--bg: #0d0f13;--panel: #151820;--panel-2: #1b1f29;--panel-3: #232836;--border: #2a3040;--border-2: #363d50;--text: #e8eaf0;--muted: #8a92a6;--dim: #5c6378;--accent: #ff7a45;--accent-2: #36cfc9;--danger: #ff4d6a;--solo: #ffc53d;--playhead: #ffffff;--roll-bg: #101318;--roll-in: #181c24;--roll-out: #12151b;--roll-root: #222634;--roll-line: #0c0e12;--roll-sub: #1d212b;--roll-beat: #2a3040;--roll-bar: #4a5268;--radius: 8px;--font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--mono: "JetBrains Mono", ui-monospace, monospace;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--text);font:13px/1.35 var(--font);-webkit-font-smoothing:antialiased}#app{display:flex;flex-direction:column;min-height:100vh}button,select,input{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}.btn{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:6px;border:1px solid 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