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linear}.fader-thumb{position:absolute;left:50%;transform:translate(-50%,50%);width:18px;height:10px;background:#0e1220;border:1px solid rgba(0,234,255,.8);border-radius:3px;box-shadow:0 0 10px #00eaff99;pointer-events:none}.knob-divider{width:1px;background:var(--border);align-self:stretch;margin:4px 2px}.knob-value{margin-top:8px;font-size:10px;font-weight:600;color:var(--accent);letter-spacing:.5px;text-transform:uppercase;padding:0 2px}.mute-button{margin-top:5px;background:none;border:none;cursor:pointer;color:var(--text-secondary);font-size:16px;transition:color var(--transition)}.mute-button:hover{color:var(--accent)}.playback-controls{display:flex;gap:10px;flex-direction:column;align-items:center;justify-content:center}.control-button{padding:10px 22px;border-radius:var(--radius-sm);border:none;cursor:pointer;font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px;transition:all var(--transition);letter-spacing:.3px}.play-button{background:linear-gradient(135deg,var(--success),#00a381);color:#fff}.play-button:hover:not(:disabled){background:linear-gradient(135deg,#00d2a8,var(--success));transform:translateY(-2px)}.play-button:disabled{background:#d0d0e0;color:#999;cursor:not-allowed}.stop-button{background:linear-gradient(135deg,var(--danger),#d35400);color:#fff}.stop-button:hover:not(:disabled){background:linear-gradient(135deg,#eb8168,var(--danger));transform:translateY(-2px)}.stop-button:disabled{background:#d0d0e0;color:#999;cursor:not-allowed}.play-bar,.record-bar{display:flex;align-items:center;gap:16px;padding:12px 20px;background:var(--bg-surface);border-radius:var(--radius-md);border:1px solid var(--border);margin-bottom:12px;margin-top:12px;min-height:72px}.record-left{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:56px}.record-right{display:flex;flex-direction:column;align-items:center;gap:4px}.record-btn{width:40px;height:40px;border-radius:50%;border:1px solid rgba(0,234,255,.35);background:linear-gradient(180deg,#131a2b,#0a0e18);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .18s var(--nb-ease);color:var(--nb-cyan);flex-shrink:0}.record-btn:hover:not(:disabled){border-color:#00eaffbf;box-shadow:var(--nb-glow-cyan)}.record-btn:active{transform:scale(.95)}.record-btn.metro-active{background:rgba(0,234,255,.15);border-color:#00eaffbf;color:var(--nb-cyan);box-shadow:var(--nb-glow-cyan-strong);animation:metroPulse .6s ease-in-out infinite}.record-btn.playing{background:rgba(0,255,163,.14);border-color:#00ffa3b3;color:var(--success);box-shadow:0 0 0 1px #00ffa366,0 0 18px #00ffa347}.record-btn:disabled{background:rgba(14,18,32,.7);color:var(--text-muted);border-color:var(--nb-line);cursor:not-allowed}.record-btn.recording{background:rgba(255,77,109,.16);border-color:#ff4d6dbf;color:var(--danger);box-shadow:var(--nb-glow-danger);animation:recordPulse 1.2s ease-in-out infinite}.record-bar .knob-value{font-size:10px;font-weight:700;color:var(--text-muted);text-align:center;white-space:nowrap}.record-bar .knob-value.recording{color:var(--danger)!important}.wave-canvas{flex:1;height:60px;min-height:30px;background:#f5f5fa;border-radius:6px;border:1px solid var(--border);cursor:pointer}.recording-list{background:var(--bg-surface);border-radius:var(--radius-md);border:1px solid var(--border);margin-bottom:12px;margin-top:6px;padding:12px 16px}.recording-title{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.recording-item{display:flex;align-items:center;justify-content:space-between;min-height:28px;padding:0 8px;margin-bottom:3px;border-radius:6px;transition:background var(--transition)}.recording-item:hover{background:var(--bg-elevated)}.recording-item.active{background:rgba(53,184,224,.08)}.rec-name{flex:1;font-size:13px;color:var(--text-primary);font-weight:500;text-align:left}.rec-actions{display:flex;gap:4px;flex-shrink:0}.rec-duration{font-size:12px;color:var(--text-muted);font-family:JetBrains Mono,monospace}.rec-play-btn,.rec-dl-btn,.rec-del-btn{width:28px;height:28px;border-radius:6px;border:1px solid var(--border);background:var(--bg-input);cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center;transition:all var(--transition);color:var(--text-secondary)}.rec-play-btn:hover{border-color:var(--accent);color:var(--accent)}.rec-play-btn.playing{background:var(--accent);color:#fff;border-color:var(--accent)}.rec-dl-btn:hover{border-color:var(--accent);color:var(--accent)}.rec-del-btn:hover{border-color:var(--danger);color:var(--danger)}@keyframes recordPulse{}@keyframes metroPulse{}.player-container{margin-top:12px;margin-bottom:12px}.preview-container{color:var(--text-primary);display:flex;min-width:160px;flex:1;flex-direction:column;flex-wrap:nowrap;justify-content:center}.preview-canvas{width:100%;height:78px;background-color:#f5f5fa;border-radius:var(--radius-sm);cursor:pointer;touch-action:none;border:1px solid var(--border)}.time-display{display:flex;justify-content:space-between;margin-top:6px;font-size:12px;color:var(--text-secondary);font-family:JetBrains Mono,monospace}.load-container{display:flex;flex-direction:column;gap:12px;margin-bottom:12px;margin-top:12px}.track-controls{margin:20px 0;padding:15px;background:var(--bg-elevated);border-radius:var(--radius-md);border:1px solid var(--border)}.track-control-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.track-control-header h3{margin:0;font-size:16px;color:var(--text-primary)}.track-control-actions{display:flex;gap:10px}.track-control-button{padding:5px 10px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;font-size:12px;color:var(--text-secondary);transition:all var(--transition)}.track-control-button:hover{background:var(--bg-elevated);border-color:var(--accent)}.track-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}.track-item{padding:8px;background:var(--bg-surface);border-radius:var(--radius-sm);border:1px solid var(--border)}.track-toggle{display:flex;align-items:center;cursor:pointer;font-size:14px}.track-toggle input{margin-right:8px}.track-name{font-weight:700;margin-right:8px;color:var(--text-primary)}.track-instrument{flex-grow:1;color:var(--text-secondary);font-size:12px}.track-note-count{color:var(--text-muted);font-size:11px}@media (max-width: 768px){.container{padding:0}.controls-row{flex-direction:column;align-items:stretch;gap:8px}.card-divider{display:none}.midi-file-selector{width:100%;flex-wrap:wrap}.midi-device-selector{min-width:auto;flex:1}.midi-info-row{flex-wrap:wrap}.audio-controls{flex-wrap:wrap;gap:12px;padding:12px}.knob-control{flex:1 1 auto;min-width:70px}.knob{width:30px;height:30px}.control-button{padding:6px 12px;font-size:12px}.record-bar{flex-direction:column;align-items:stretch;gap:8px;padding:10px 14px;min-height:auto}.record-left{flex-direction:row;gap:8px}.wave-canvas{min-height:40px}.preview-canvas{height:58px}.time-display{font-size:13px}}@media (max-width: 480px){.controls-row{gap:6px}.card-divider{display:none}.midi-file-selector{gap:6px}.midi-device-selector{font-size:12px;padding:6px 8px}.file-upload-button{font-size:12px;padding:6px 14px}.audio-controls{gap:8px;padding:10px}.knob{width:26px;height:26px}.knob-label,.knob-value{font-size:10px}.playback-controls{gap:6px}.control-button{padding:5px 10px;font-size:11px;border-radius:6px}.record-btn{width:38px;height:38px}.wave-canvas{min-height:30px}.recording-list{padding:8px 12px}.rec-name{font-size:12px}.rec-play-btn,.rec-dl-btn,.rec-del-btn{width:24px;height:24px;font-size:10px}.duration-control{flex-wrap:wrap;gap:4px}.duration-control label{font-size:11px}.duration-control .midi-device-selector{min-width:auto}.hold-toggle-label{font-size:10px!important}.toggle-switch.small{width:30px;height:16px}.toggle-switch.small .toggle-knob{width:12px;height:12px}.toggle-switch.small.active .toggle-knob{transform:translate(14px)}}.lp-diag-panel{position:fixed;top:6px;left:6px;z-index:9999;padding:6px 8px;border-radius:6px;background:rgba(0,0,0,.72);color:#7fe3ff;font:11px/1.5 ui-monospace,Consolas,monospace;pointer-events:none;white-space:nowrap}.page-footer{position:fixed;bottom:4px;left:0;right:0;text-align:center}.velo-bar{position:fixed;bottom:26px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.85);backdrop-filter:blur(6px);border:1px solid var(--border,#e2e2ec);border-radius:8px;padding:4px 12px;z-index:998;font-size:12px;pointer-events:none}.velo-label{color:var(--text-muted,#9e9eb0);font-weight:600}.velo-track{width:100px;height:6px;background:#e8e8f0;border-radius:3px;overflow:hidden}.velo-fill{height:100%;border-radius:3px;transition:width .1s}.velo-val{font-weight:700;min-width:28px;text-align:right;font-family:monospace}.upload-divider{width:1px;height:40px;background:var(--border, #e2e2ec);flex-shrink:0}.part-upload-btn{display:inline-flex;flex-direction:column;align-items:center;padding:4px 12px;background:none;border:none;color:var(--accent);cursor:pointer;transition:all .2s}.duration-row .part-upload-btn{padding:4px 8px;color:var(--text-muted);position:relative}.duration-row .part-upload-btn:hover .part-icon{transform:scale(1.15)}.duration-row .duration-selected{color:var(--accent)!important}.duration-row .duration-selected:after{content:"";position:absolute;bottom:0;left:4px;right:4px;width:auto;height:2px;background:var(--accent);border-radius:1px}.duration-row .part-icon{margin-bottom:4px;transition:transform .2s}.duration-row .part-label{letter-spacing:0}.part-upload-btn:hover{transform:translateY(-1px)}.part-upload-btn:hover .part-icon{transform:scale(1.1)}.duration-selected{color:var(--accent)!important}.duration-selected .part-icon{fill:var(--accent);stroke:var(--accent)}.part-icon{width:28px;height:28px;transition:transform .2s;margin-bottom:4px}.part-label{font-size:10px;font-weight:600;line-height:1.2;white-space:nowrap;color:var(--text-muted);letter-spacing:.5px;text-transform:uppercase}.part-upload-group{display:flex;flex-direction:column;align-items:center;padding:6px 10px;background:#fff;border:1px solid var(--border);border-radius:8px;width:auto;flex-shrink:0;flex:1 0 auto}.card-divider{width:2px;align-self:center;height:32px;background:var(--border, #e2e2ec);border-radius:1px;flex-shrink:0;margin:0 6.5px}.midi-style{padding:6px 10px;background:#fff;border:1px solid var(--border);border-radius:8px}.single-track-group{display:flex;flex-direction:column;align-items:flex-start;padding:6px 10px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:8px}.single-track-label,.part-upload-title{font-size:10px;color:var(--text-muted);font-weight:600;letter-spacing:.5px;text-transform:uppercase;margin-bottom:3px;padding:0 2px}.part-upload-row{display:flex;align-items:center;gap:0;flex-wrap:wrap}.play-bar-top{display:flex;align-items:center;gap:12px;margin-bottom:6px}.ctrl-btn{cursor:pointer;width:35px;height:35px;border-radius:50%;border:2px solid var(--border, #d0d0e0);background:var(--bg, #fff);display:flex;align-items:center;justify-content:center;position:relative}.ctrl-btn:hover{border-color:var(--accent, #35b8e0);box-shadow:0 2px 10px #00eaff40}.ctrl-btn:disabled{opacity:.3;cursor:not-allowed;box-shadow:none}.ctrl-btn.active{background:var(--accent, #35b8e0);border-color:var(--accent, #35b8e0)}.ctrl-btn.active .rec-dot{background:#fff}.midi-editor{display:flex;flex-direction:column;width:100%;border:1px solid var(--border,#d5d8e0);border-radius:8px;overflow:hidden;margin-top:8px;background:#ffffff}.editor-toolbar{display:flex;align-items:center;gap:5px;padding:5px 8px;flex-shrink:0;flex-wrap:wrap;background:#fff;border-bottom:1px solid var(--border,#e2e2ec);border-radius:8px 8px 0 0}.toolbar-spacer{flex:1;min-width:8px}.midi-info-tags{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-muted,#9e9eb0);white-space:nowrap}.mi-tag{font-weight:600;color:var(--accent,#35b8e0)}.mi-label{color:var(--text-muted,#9e9eb0);font-weight:400}.mi-sep{color:var(--border,#e2e2ec);font-size:10px}.et-divider{width:1px;height:20px;background:var(--border,#e2e2ec);align-self:center}.et-btn{padding:4px 10px;height:26px;font-size:12px;border:none;border-radius:5px;background:#f0f2f7;color:#666;cursor:pointer;display:flex;align-items:center;gap:4px;transition:all .15s}.et-btn:hover{background:#e4e8f0;color:#333}.et-btn.active{background:var(--accent,#35b8e0);color:#fff}.track-btn{border-color:var(--track-color);color:var(--track-color)}.track-btn.muted{border-color:var(--border,#e2e2ec);color:#999;background:#f5f5fa}.editor-body{display:flex;flex:1;min-height:0}.live-piano{width:64px;flex-shrink:0;border-right:1px solid var(--border,#e2e2ec)}.live-ruler{height:19px;background:#f8f8fc;border-bottom:1px solid var(--border,#e2e2ec)}.live-keys-wrap{overflow:hidden}.live-key-row{display:flex;align-items:center;justify-content:flex-end;padding-right:3px;cursor:pointer;font-size:7px;color:#bbb;background:#fafafe;border-bottom:1px solid var(--border,#e2e2ec)}.live-key-row:nth-child(even){background:#f4f5f9}.live-key-row.black{background:#edeef2;font-size:7px;color:#999}.live-key-row:hover{background:#eaeaf2!important}.live-key-label{pointer-events:none}.editor-canvas{flex:1;min-width:0}.rec-dot{width:10px;height:10px;border-radius:50%;background:#e04040;display:block}.wave-canvas{width:120px;height:60px;margin:0 auto;align-self:center;min-width:120px}.rec-midi-check{display:flex;align-items:center;gap:3px;font-size:10px;color:var(--accent);cursor:pointer;white-space:nowrap;margin-top:9px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;padding:0 2px}.rec-midi-check input{width:12px;height:12px;cursor:pointer;accent-color:var(--accent)}.ctrl-btn:disabled{opacity:.25;cursor:not-allowed}.ctrl-btn.active{border-color:var(--accent, #35b8e0)!important}.play-triangle{width:0;height:0;border-style:solid;border-width:6px 0 6px 11px;border-color:transparent transparent transparent var(--accent, #35b8e0);border-radius:2px;position:relative;z-index:2;top:0;left:1px;transition:border-color .15s;filter:drop-shadow(0 0 2px rgba(0,0,0,.08))}.ctrl-btn.active .play-triangle{border-left-color:#fff}.ctrl-btn:hover .play-triangle{border-left-color:var(--accent, #35b8e0)}.ctrl-btn.active:hover .play-triangle{border-left-color:#fff}.pause-icon{display:flex;gap:2px;align-items:center;justify-content:center;position:relative;z-index:2}.pause-bar{display:block;width:3px;height:8px;border-radius:1px;background:var(--accent, #35b8e0);transition:background .15s;position:relative;z-index:3}.ctrl-btn.active .pause-bar{background:#fff}.ctrl-btn:hover .pause-bar{background:var(--accent, #35b8e0)}.ctrl-btn.active:hover .pause-bar{background:#fff}.stop-square{display:block;width:8px;height:8px;border-radius:2px;background:var(--accent, #35b8e0);transition:background .15s;position:relative;z-index:2}.ctrl-btn:hover .stop-square{background:var(--accent, #35b8e0)}.ctrl-btn:disabled .stop-square{background:var(--text-muted, #9e9eb0)}.bpm-input{width:44px;padding:2px;border-radius:4px;border:1px solid transparent;background:transparent;color:var(--accent);font-size:10px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;text-align:center;margin-top:8px;transition:all .15s}.bpm-input.editing,.bpm-input:focus{border-color:var(--accent);background:var(--bg-input, #fff);outline:none}.page-footer{font-size:11px;z-index:999;pointer-events:none}.page-footer a{pointer-events:auto}.footer-label{color:var(--text-muted, #9e9eb0)}.footer-link{color:var(--accent, #35b8e0);text-decoration:none;font-weight:600}.footer-link:hover{text-decoration:underline}.lp-overlay{position:fixed;inset:0;background:transparent;z-index:9999;display:flex;align-items:center;justify-content:center;pointer-events:none}.lp-wrapper{position:relative;user-select:none;pointer-events:auto}.lp-card{background:linear-gradient(145deg,#ffffff,#fafafe);border-radius:18px;border:1px solid var(--border,#e2e2ec);box-shadow:0 8px 40px #00000026;overflow:hidden;position:relative;animation:mapBoxIn .3s cubic-bezier(.34,1.56,.64,1)}.lp-header{display:flex;align-items:center;justify-content:space-between;padding:16px 22px 12px;background:transparent;cursor:grab;position:relative}.lp-header:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,#b450dc 0%,#6c5ce7 50%,#35b8e0 100%)}.lp-header:active{cursor:grabbing}.lp-header-title{font-size:15px;font-weight:600;color:#999;letter-spacing:.3px;display:flex;align-items:center;height:17px;white-space:nowrap}.lp-header-hint{margin-left:auto;margin-right:10px;font-size:11px;color:var(--text-muted,#999);white-space:nowrap}.lp-header-close{width:28px;height:28px;border:none;border-radius:50%;background:rgba(0,0,0,.04);color:#888;font-size:13px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;padding:0;backdrop-filter:blur(4px)}.lp-header-close:hover{background:#e74c3c;color:#fff;transform:rotate(90deg) scale(1.08);box-shadow:0 4px 12px #e74c3c59}.lp-topbar{display:flex;align-items:center;justify-content:space-between;padding:8px 22px;background:transparent}.lp-page-controls{display:flex;align-items:center;gap:6px}.lp-nav-btn{width:28px;height:28px;border:1px solid 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