:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--bg: #0a0a0f;--surface: rgba(255, 255, 255, .04);--surface-hover: rgba(255, 255, 255, .08);--border: rgba(255, 255, 255, .08);--accent: #8b5cf6;--accent-glow: rgba(139, 92, 246, .3);--accent-bright: #a78bfa;--text: #fafafa;--text-dim: rgba(255, 255, 255, .5);--green: #22c55e;--green-glow: rgba(34, 197, 94, .4);--red: #ef4444;--step-active: #8b5cf6;--step-playing: #c084fc}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:var(--bg);color:var(--text)}.app{max-width:1100px;margin:0 auto;padding:1rem;display:flex;flex-direction:column;gap:1rem;min-height:100vh}.header{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.logo{display:flex;align-items:center;gap:.6rem;color:var(--accent-bright)}.logo h1{margin:0;font-size:1.3rem;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,var(--accent-bright),#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.transport{display:flex;align-items:center;gap:.75rem}.bpm-control{display:flex;align-items:center;gap:.3rem;background:var(--surface);border:1px solid var(--border);border-radius:.5rem;padding:.25rem}.bpm-btn{background:none;border:none;color:var(--text-dim);font-size:1.1rem;cursor:pointer;width:28px;height:28px;border-radius:.3rem;display:grid;place-items:center;transition:all .15s}.bpm-btn:hover{background:var(--surface-hover);color:var(--text)}.bpm-display{display:flex;flex-direction:column;align-items:center;min-width:48px;padding:0 .4rem}.bpm-value{font-size:1.05rem;font-weight:700;font-variant-numeric:tabular-nums;line-height:1}.bpm-label{font-size:.55rem;text-transform:uppercase;letter-spacing:.15em;color:var(--text-dim);line-height:1}.play-btn{width:44px;height:44px;border-radius:50%;border:2px solid var(--accent);background:transparent;color:var(--accent);cursor:pointer;display:grid;place-items:center;transition:all .2s}.play-btn:hover{background:var(--accent-glow);box-shadow:0 0 20px var(--accent-glow)}.play-btn.active{background:var(--accent);color:#fff;box-shadow:0 0 25px var(--accent-glow)}.clear-btn{width:36px;height:36px;border-radius:.4rem;border:1px solid var(--border);background:transparent;color:var(--text-dim);cursor:pointer;display:grid;place-items:center;transition:all .15s}.clear-btn:hover{color:var(--red);border-color:var(--red);background:#ef44441a}.visualizer{background:var(--surface);border:1px solid var(--border);border-radius:.6rem;overflow:hidden;height:80px}.viz-canvas{width:100%;height:100%;display:block}.tabs{display:flex;gap:.25rem;background:var(--surface);border:1px solid var(--border);border-radius:.5rem;padding:.2rem;width:fit-content}.tab{display:flex;align-items:center;gap:.4rem;padding:.45rem .9rem;border:none;background:transparent;color:var(--text-dim);font-size:.8rem;font-weight:500;cursor:pointer;border-radius:.35rem;transition:all .15s}.tab:hover{color:var(--text);background:var(--surface-hover)}.tab.active{background:var(--accent);color:#fff}.main{display:flex;flex-direction:column;gap:1rem}.drum-pads{display:grid;grid-template-columns:repeat(6,1fr);gap:.5rem}.drum-pad{padding:.75rem .5rem;border:1px solid var(--border);border-radius:.5rem;background:var(--surface);color:var(--text);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;cursor:pointer;transition:all .1s;user-select:none;-webkit-user-select:none}.drum-pad:hover{background:var(--surface-hover);border-color:var(--accent)}.drum-pad:active{background:var(--accent);border-color:var(--accent);transform:scale(.95);box-shadow:0 0 20px var(--accent-glow)}.sequencer{background:var(--surface);border:1px solid var(--border);border-radius:.6rem;padding:.75rem;overflow-x:auto}.seq-grid{display:flex;flex-direction:column;gap:.35rem}.seq-row{display:flex;align-items:center;gap:.5rem}.seq-label{min-width:52px;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-dim);text-align:right}.seq-steps{display:flex;gap:3px;flex:1}.seq-step{flex:1;aspect-ratio:1;min-width:28px;border:1px solid rgba(255,255,255,.06);border-radius:.25rem;background:#ffffff05;cursor:pointer;transition:all .1s;position:relative}.seq-step:hover{background:#ffffff14;border-color:#ffffff26}.seq-step.beat{background:#ffffff08}.seq-step.active{background:var(--step-active);border-color:var(--step-active);box-shadow:0 0 8px var(--accent-glow)}.seq-step.playing{border-color:var(--step-playing);box-shadow:inset 0 0 12px #c084fc66}.seq-step.active.playing{background:var(--step-playing);box-shadow:0 0 16px #c084fc99}.synth-keyboard{display:flex;flex-direction:column;gap:.75rem}.keys-info{text-align:center}.keys-hint{font-size:.75rem;color:var(--text-dim);letter-spacing:.05em}.keys-container{display:flex;position:relative;height:180px;padding:0 1rem;justify-content:center}.piano-key{position:relative;border:1px solid var(--border);cursor:pointer;transition:all .1s;display:flex;align-items:flex-end;justify-content:center;padding-bottom:.5rem}.piano-key.white{width:48px;height:100%;background:linear-gradient(180deg,#f8f8f8,#e8e8e8);border-radius:0 0 .3rem .3rem;z-index:1;margin:0 1px}.piano-key.black{width:32px;height:60%;background:linear-gradient(180deg,#333,#1a1a1a);border-radius:0 0 .25rem .25rem;z-index:2;margin:0 -16px;border-color:#000}.piano-key.white:hover{background:linear-gradient(180deg,#fff,#f0f0f0)}.piano-key.black:hover{background:linear-gradient(180deg,#444,#222)}.piano-key.white:active,.piano-key.white.pressed{background:linear-gradient(180deg,var(--accent-bright),var(--accent));border-color:var(--accent);box-shadow:0 0 20px var(--accent-glow)}.piano-key.black:active,.piano-key.black.pressed{background:linear-gradient(180deg,#6d28d9,#4c1d95);border-color:#6d28d9;box-shadow:0 0 15px #6d28d980}.key-label{font-size:.55rem;font-weight:600;color:#666;pointer-events:none}@media(max-width:700px){.drum-pads{grid-template-columns:repeat(3,1fr)}.header{flex-direction:column;align-items:stretch}.transport{justify-content:center}.piano-key.white{width:36px}.piano-key.black{width:24px;margin:0 -12px}.seq-step{min-width:20px}}