:root{--bg: #0d0b14;--bg-panel: #171221;--bg-cell: #241b33;--bg-cell-beat: #2c2140;--accent: #ff3e7f;--accent-2: #ffb627;--on: #ff3e7f;--on-glow: rgba(255, 62, 127, .55);--playhead: #4ad7ff;--text: #f3eefb;--text-dim: #9a8fb3;--radius: 10px;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(1200px 600px at 80% -10%,#2a1240 0%,var(--bg) 55%);color:var(--text);min-height:100vh}#app{max-width:980px;margin:0 auto;padding:24px 20px 64px}.app-header{margin-bottom:20px}.brand{display:flex;align-items:center;gap:14px}.logo{font-size:38px}.app-header h1{margin:0;font-size:26px;letter-spacing:-.5px}.tagline{margin:2px 0 0;color:var(--text-dim);font-size:14px}.transport{display:flex;align-items:center;gap:18px;flex-wrap:wrap;background:var(--bg-panel);padding:14px 18px;border-radius:var(--radius);margin-bottom:18px;border:1px solid #2a2138}.play-btn{background:linear-gradient(135deg,var(--accent),#ff7eb3);color:#1a0a12;border:none;font-weight:700;font-size:16px;padding:12px 22px;border-radius:var(--radius);cursor:pointer;min-width:110px;transition:transform .08s ease,box-shadow .2s ease}.play-btn:hover{transform:translateY(-1px)}.play-btn.playing{background:linear-gradient(135deg,var(--accent-2),#ffd166)}.slider{display:flex;flex-direction:column;gap:4px;min-width:120px}.slider-name{font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em}.slider-value{font-size:13px;font-variant-numeric:tabular-nums;color:var(--accent-2)}.slider input[type=range]{width:140px;accent-color:var(--accent)}.ghost-btn{margin-left:auto;background:transparent;color:var(--text-dim);border:1px solid #392c4d;padding:10px 16px;border-radius:var(--radius);cursor:pointer}.ghost-btn:hover{color:var(--text);border-color:var(--accent)}.key-picker{display:flex;flex-direction:column;gap:4px}.key-controls{display:flex;gap:6px}.key-controls select{background:var(--bg-cell);color:var(--text);border:1px solid #392c4d;border-radius:7px;padding:7px 8px;font-size:13px;cursor:pointer}.key-controls select:hover{border-color:var(--accent)}.song{background:var(--bg-panel);border:1px solid #2a2138;border-radius:var(--radius);padding:14px 18px;margin-bottom:16px}.song-head{display:flex;align-items:center;gap:16px;margin-bottom:12px}.song-title{margin:0;font-size:16px}.song-length{font-size:12.5px;color:var(--accent-2);font-variant-numeric:tabular-nums}.song-play{min-width:130px;padding:10px 18px;font-size:15px}.song-play:disabled{opacity:.4;cursor:not-allowed;transform:none}.song-strip{display:flex;gap:10px;flex-wrap:wrap;align-items:stretch}.song-block{background:var(--bg-cell);border:1px solid #392c4d;border-radius:9px;padding:8px 10px;min-width:116px;display:flex;flex-direction:column;gap:7px;cursor:pointer;transition:border-color .12s ease,box-shadow .12s ease}.song-block:hover{border-color:var(--accent)}.song-block.playing{border-color:var(--playhead);box-shadow:0 0 12px #4ad7ff80}.song-block-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.song-block-name{font-size:13px;font-weight:600}.song-block-x{background:transparent;border:none;color:var(--text-dim);cursor:pointer;font-size:12px;padding:0 2px;line-height:1}.song-block-x:hover{color:var(--accent)}.song-reps{display:flex;align-items:center;justify-content:center;gap:8px}.song-reps button{background:var(--bg-cell-beat);color:var(--text);border:1px solid #392c4d;border-radius:6px;width:26px;height:26px;cursor:pointer;font-size:15px;line-height:1}.song-reps button:hover{border-color:var(--accent)}.song-reps-count{font-size:13px;font-variant-numeric:tabular-nums;min-width:28px;text-align:center;color:var(--accent-2)}.song-move{display:flex;gap:6px;justify-content:center}.song-move button{background:transparent;color:var(--text-dim);border:1px solid #2a2138;border-radius:6px;width:26px;height:22px;cursor:pointer;font-size:11px;line-height:1}.song-move button:hover:not(:disabled){color:var(--text);border-color:var(--accent)}.song-move button:disabled{opacity:.3;cursor:default}.song-adder{display:flex;flex-direction:column;gap:7px;justify-content:center;min-width:130px}.song-adder select{background:var(--bg-cell);color:var(--text);border:1px solid #392c4d;border-radius:7px;padding:7px 8px;font-size:13px;cursor:pointer}.song-add-btn{background:transparent;color:var(--text);border:1px dashed #4a3a63;border-radius:7px;padding:8px;cursor:pointer;font-size:13px;font-weight:600}.song-add-btn:hover{border-color:var(--accent);color:var(--accent)}.pattern-tabs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:14px}.pattern-tabs-label{font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em}.pattern-tab{background:var(--bg-panel);color:var(--text-dim);border:1px solid #2a2138;border-radius:999px;padding:7px 14px;cursor:pointer;font-size:13px;font-weight:600;transition:border-color .12s ease,color .12s ease}.pattern-tab:hover{border-color:var(--accent);color:var(--text)}.pattern-tab.active{background:linear-gradient(135deg,var(--accent),#ff7eb3);color:#1a0a12;border-color:transparent}.pattern-tab.add{border-style:dashed}.pattern-tab.del{padding:7px 11px}.presets-hint{margin:-4px 0 12px}.grid{background:var(--bg-panel);border:1px solid #2a2138;border-radius:var(--radius);padding:14px;margin-bottom:16px}.lane-title{font-size:15px;margin:0 0 10px;color:var(--text);letter-spacing:.02em}.lane-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:10px}.lane-head .lane-title{margin:0}.lane-head .track-controls{width:130px}.lane-hint{margin:10px 0 0;font-size:12px;color:var(--text-dim)}.lane-title-wrap{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.inst-picker{display:flex;align-items:center;gap:8px}.inst-picker select{background:var(--bg-cell);color:var(--text);border:1px solid #392c4d;border-radius:7px;padding:6px 8px;font-size:12.5px;cursor:pointer}.inst-picker select:hover{border-color:var(--accent)}.inst-status{font-size:11px;color:var(--accent-2);font-variant-numeric:tabular-nums}.inst-status.ready{color:#6ee7a8}.track-row{display:flex;align-items:center;gap:12px;margin-bottom:6px}.track-row:last-child{margin-bottom:0}.track-controls{width:120px;flex-shrink:0;display:flex;flex-direction:column;gap:5px}.mute-btn{background:var(--bg-cell);color:var(--text);border:1px solid #392c4d;border-radius:7px;padding:7px 8px;font-size:13px;font-weight:600;cursor:pointer;text-align:left}.mute-btn.muted{opacity:.4;text-decoration:line-through}.track-vol{width:100%;accent-color:var(--accent-2);height:4px}.steps{display:grid;grid-template-columns:repeat(16,1fr);gap:5px;flex:1}.step{aspect-ratio:1 / 1;background:var(--bg-cell);border:1px solid #322543;border-radius:6px;cursor:pointer;padding:0;transition:background .08s ease,box-shadow .08s ease,transform .05s ease}.step.beat-start{background:var(--bg-cell-beat)}.step:hover{transform:scale(1.06)}.step.on{background:linear-gradient(160deg,var(--on),#ff7eb3);box-shadow:0 0 8px var(--on-glow);border-color:transparent}.step.accent{background:linear-gradient(160deg,var(--accent-2),#ffe08a);box-shadow:0 0 12px #ffb627b3;border-color:transparent}.step.playhead{outline:2px solid var(--playhead);outline-offset:-1px}.pitch-lane .track-row{margin-bottom:4px}.note-label{width:120px;flex-shrink:0;font-size:11px;color:var(--text-dim);font-variant-numeric:tabular-nums;text-align:right;padding-right:6px}.pitch-lane .steps{gap:4px}.pcell{aspect-ratio:2.4 / 1}.pcell.on{background:linear-gradient(160deg,var(--playhead),#8ee9ff);box-shadow:0 0 8px #4ad7ff8c;border-color:transparent}.pitch-lane.grid:nth-of-type(odd){border-color:#33274a}.presets,.tutorials{margin-bottom:26px}.presets h2,.tutorials h2{font-size:16px;margin:0 0 12px;color:var(--text)}.preset-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.preset-card{text-align:left;background:var(--bg-panel);border:1px solid #2a2138;border-radius:var(--radius);padding:14px;cursor:pointer;display:flex;flex-direction:column;gap:6px;color:var(--text);transition:border-color .15s ease,transform .08s ease}.preset-card:hover{border-color:var(--accent);transform:translateY(-2px)}.preset-card strong{font-size:15px}.preset-card span{font-size:12.5px;color:var(--text-dim);line-height:1.4}.tutorial{background:var(--bg-panel);border:1px solid #2a2138;border-radius:var(--radius);padding:6px 16px;margin-bottom:10px}.tutorial summary{cursor:pointer;padding:10px 0;display:flex;flex-direction:column;gap:3px}.tutorial summary strong{font-size:15px}.tutorial summary span{font-size:12.5px;color:var(--text-dim)}.tut-step{padding:8px 0 8px 14px;border-left:2px solid var(--accent);margin:8px 0}.tut-step h4{margin:0 0 4px;font-size:14px;color:var(--accent-2)}.tut-step p{margin:0;font-size:13.5px;line-height:1.5;color:var(--text)}.app-footer{color:var(--text-dim);font-size:13px;line-height:1.5}.app-footer strong{color:var(--text)}.roadmap{font-size:12px;opacity:.8}@media(max-width:640px){.track-controls{width:84px}.lane-head .track-controls{width:100px}.note-label{width:84px}.steps,.pitch-lane .steps{gap:3px}.slider input[type=range]{width:110px}}