:root{--bg: #0d0d0d;--bg2: #161616;--bg3: #1e1e1e;--bg4: #252525;--border: #444;--border2: #555;--text: #d8d8d8;--text-dim: #a0a0a0;--text-med: #c0c0c0;--accent: #4a9eff;--accent2: #3ecf8e;--danger: #e05c5c;--warn: #e0a84a;--active-bg: rgba(74,158,255,.12);--radius: 3px;--font: "Inter", "Segoe UI", system-ui, sans-serif;--fs: 12px;--fs-sm: 11px}@media(min-width:768px){:root{--fs: 14px;--fs-sm: 12px}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%;overflow:hidden;background:var(--bg)}body{color:var(--text);font-family:var(--font);font-size:var(--fs);-webkit-font-smoothing:antialiased;overscroll-behavior:none;-webkit-user-select:none;user-select:none}.app-shell{display:flex;flex-direction:column;height:100%;width:100%;max-width:1024px;margin:0 auto;overflow:hidden}@media(min-width:1024px){.app-shell{border-left:1px solid var(--border);border-right:1px solid 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8px}.chord-step-row{display:flex;align-items:center;gap:4px}.chord-step-num{font-size:var(--fs-sm);color:var(--text-dim);width:14px;text-align:right;flex-shrink:0;font-variant-numeric:tabular-nums}.chord-step-root{width:46px;flex-shrink:0}.chord-step-voicing{flex:1;min-width:0}.chord-step-bars{width:42px;flex-shrink:0}.chord-euclid-header{display:flex;align-items:center;justify-content:space-between;padding:6px 8px 2px;font-size:var(--fs-sm);color:var(--text-dim);border-top:1px solid var(--border);margin-top:4px}.scenes-panel{display:flex;flex-wrap:nowrap;overflow-x:auto;align-items:center;gap:4px;padding:4px 8px;background:var(--bg2);border-bottom:1px solid var(--border);min-height:30px}.scene-item{display:flex;align-items:center;gap:2px;flex-shrink:0}.scene-btn{background:var(--bg3);border:1px solid var(--border2);color:var(--text-dim);font-size:var(--fs-sm);padding:2px 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5px;border-radius:var(--radius);width:90px;outline:none}.scene-add-form{display:flex}.slot-selector{display:flex;gap:3px}.slot-btn{font-size:var(--fs-sm);padding:2px 9px;background:var(--bg3);border:1px solid var(--border2);color:var(--text-dim);border-radius:var(--radius);cursor:pointer;font-weight:600;letter-spacing:.05em}.slot-btn:hover{color:var(--text)}.slot-btn.active{background:var(--active-bg);border-color:var(--accent);color:var(--accent)}.step-lock-row{display:flex;flex-wrap:wrap;gap:2px;padding:2px 8px}.step-lock-wrap{display:flex;align-items:center;justify-content:center;width:16px;flex-shrink:0}.note-picker-btn-compact{width:16px;height:14px;background:var(--bg4);border:1px solid var(--border2);color:transparent;font-size:0;padding:0;cursor:pointer;border-radius:2px;text-align:center;line-height:14px;overflow:hidden;white-space:nowrap}.note-picker-btn-compact:hover{border-color:var(--accent);background:#4a9eff1f}.note-picker-btn-compact.note-picker-btn-locked{background:var(--accent);border-color:var(--accent);color:#000;font-size:7px;font-weight:700;letter-spacing:-.5px}.note-picker-clear{width:100%;margin-bottom:4px;background:var(--bg3);border:1px solid var(--border2);color:var(--danger);font-size:var(--fs-sm);padding:3px 6px;border-radius:var(--radius);cursor:pointer;text-align:center}.note-picker-clear:hover{background:#e05c5c1a;border-color:var(--danger)}.man-section-title{font-size:16px}.man-text{font-size:14px;line-height:1.7}.man-subtitle{font-size:13px}.man-dt{font-size:14px}.man-dd,.man-step{font-size:14px;line-height:1.7}.man-uc-title{font-size:14px}.man-uc-desc,.man-tip{font-size:14px;line-height:1.7}.gen-hdr-btns{display:flex;gap:4px}.gen-ops-row{display:flex;gap:4px;flex-wrap:wrap}.chord-memory-header{display:flex;align-items:center;justify-content:space-between;padding:4px 8px 2px;margin-top:4px}.chord-memory-header label{font-size:var(--fs-sm);color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em}.chord-slots{display:flex;flex-wrap:wrap;gap:4px;padding:2px 8px 6px}.chord-slot-wrap{position:relative;display:flex;align-items:center}.chord-slot{min-width:32px;height:26px;padding:0 5px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-dim);font-size:var(--fs-sm);cursor:pointer;display:flex;align-items:center;gap:3px}.chord-slot.filled{border-color:var(--accent);color:var(--text)}.chord-slot.save-mode{border-color:var(--warn)}.chord-slot.filled.save-mode{border-color:var(--warn);color:var(--warn)}.chord-slot:hover{border-color:var(--text-dim)}.chord-slot.filled:hover{border-color:var(--accent)}.chord-slot.save-mode:hover{border-color:var(--warn);background:#e0a84a14}.chord-slot-num{font-size:10px;color:var(--text-dim)}.chord-slot-name{font-size:var(--fs-sm);font-weight:600;max-width:40px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chord-slot-clear{position:absolute;right:-8px;top:-5px;width:14px;height:14px;background:var(--bg);border:1px solid var(--danger);border-radius:50%;color:var(--danger);font-size:9px;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;line-height:1}.chord-slot-clear:hover{background:#e05c5c26}.melody-step-rate{display:flex;align-items:center;gap:2px;margin-top:2px}.melody-step-rate .rate-picker-btn{font-size:9px;padding:1px 3px;height:16px;min-width:28px}.melody-step-rate .rate-picker-btn.rate-custom{color:var(--warn);border-color:var(--warn)}.melody-step-rate .rate-picker-btn.rate-global{color:var(--text-dim);border-color:transparent;background:transparent}.melody-rate-clear{width:12px;height:12px;background:transparent;border:none;color:var(--text-dim);font-size:10px;cursor:pointer;padding:0;line-height:1;flex-shrink:0}.melody-rate-clear:hover{color:var(--danger)}