@import"https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@300;400;500&family=Space+Grotesk:wght@400;500;600;700&display=swap";:root{--bg: #F7F8FA;--bg2: #EDEEF2;--white: #FFFFFF;--navy: #1A2340;--navy2: #253060;--accent: #3B6CF4;--accent2: #5B8AF6;--accent-dim: rgba(59,108,244,.1);--accent-glow: rgba(59,108,244,.05);--green: #22C55E;--green-dim: rgba(34,197,94,.12);--red: #EF4444;--red-dim: rgba(239,68,68,.1);--amber: #F59E0B;--amber-dim: rgba(245,158,11,.12);--purple: #8B5CF6;--purple-dim: rgba(139,92,246,.12);--text: #0F1728;--text2: #4A5270;--text3: #5E6A88;--text4: #8A93AE;--border: #DDE0EA;--border2: #C8CCDc;--shadow-sm: 0 1px 4px rgba(26,35,64,.06);--shadow: 0 4px 16px rgba(26,35,64,.1);--shadow-lg: 0 8px 32px rgba(26,35,64,.14);--radius: 6px;--radius-lg: 12px;--radius-xl: 18px;--font-sans: "Space Grotesk", sans-serif;--font-mono: "IBM Plex Mono", monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);min-height:100vh;-webkit-font-smoothing:antialiased}.app{max-width:1000px;margin:0 auto;padding:0 28px 64px}.app-header{display:flex;align-items:center;justify-content:space-between;padding:28px 0 20px;border-bottom:1px solid var(--border);margin-bottom:6px}.logo{display:flex;align-items:center;gap:14px}.logo-mark{width:36px;height:36px;background:var(--navy);border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:1rem;color:#fff;letter-spacing:-2px;font-weight:500}.logo-text{display:flex;flex-direction:column;gap:1px}.logo-main{font-family:var(--font-sans);font-size:1.15rem;font-weight:700;color:var(--navy);letter-spacing:-.3px}.logo-sub{font-size:.7rem;color:var(--text3);font-family:var(--font-mono);letter-spacing:.04em}.mode-tabs{display:flex;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:3px;gap:2px}.tab{background:transparent;border:1px solid transparent;color:var(--text3);font-family:var(--font-sans);font-size:.84rem;font-weight:500;padding:6px 18px;border-radius:4px;cursor:pointer;transition:all 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7px;border-radius:99px;font-weight:400}.card-badge.live{background:var(--green-dim);color:var(--green)}.card-badge.idle{background:var(--bg2);color:var(--text3)}.status-bar{display:flex;align-items:center;gap:10px;padding:10px 16px;font-family:var(--font-mono);font-size:.65rem;color:var(--text3);letter-spacing:.06em;border-bottom:1px solid var(--border)}.rec-dot{width:8px;height:8px;border-radius:50%;background:var(--text4);flex-shrink:0;transition:background .2s}.rec-dot.recording{background:var(--red);animation:recpulse 1.2s ease-in-out infinite}@keyframes recpulse{0%,to{opacity:1;box-shadow:0 0 0 0 var(--red-dim)}50%{opacity:.6;box-shadow:0 0 0 5px transparent}}.status-right{margin-left:auto;color:var(--accent)}.note-display{display:flex;align-items:baseline;gap:12px;padding:16px 20px 12px;min-height:64px;border-bottom:1px solid var(--border)}.note-big{font-family:var(--font-sans);font-size:2.8rem;font-weight:700;color:var(--navy);line-height:1;letter-spacing:-1px}.note-midi{font-family:var(--font-mono);font-size:.9rem;color:var(--text2);font-weight:400}.note-hz{font-family:var(--font-mono);font-size:.72rem;color:var(--accent);margin-left:auto}.note-empty{font-family:var(--font-mono);font-size:.88rem;color:var(--text3)}.waveform-wrap{position:relative;background:var(--navy);cursor:default}.waveform-wrap canvas{display:block;width:100%}.waveform-label{position:absolute;top:8px;left:12px;font-family:var(--font-mono);font-size:.6rem;color:#ffffff59;letter-spacing:.1em;text-transform:uppercase;pointer-events:none}.piano-wrap{position:relative;width:100%;height:100px;-webkit-user-select:none;user-select:none;background:#f0ede8}.history-strip{display:flex;gap:3px;flex-wrap:wrap;padding:10px 14px;min-height:44px;align-content:flex-start}.history-chip{display:flex;flex-direction:column;align-items:center;background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:2px 6px;min-width:30px;animation:chipin .1s ease-out}@keyframes chipin{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:none}}.chip-name{font-family:var(--font-mono);font-size:.72rem;color:var(--accent)}.chip-midi{font-family:var(--font-mono);font-size:.62rem;color:var(--text3)}.controls-row{display:flex;gap:8px;flex-wrap:wrap;padding:0}.btn{font-family:var(--font-sans);font-size:.78rem;font-weight:500;padding:9px 20px;border-radius:var(--radius);border:1px solid;cursor:pointer;transition:all .12s;display:flex;align-items:center;gap:8px;letter-spacing:.01em}.btn:disabled{opacity:.35;cursor:default}.btn-record{background:var(--red-dim);border-color:var(--red);color:var(--red)}.btn-record:hover:not(:disabled){background:#ef44442e}.btn-stop{background:var(--bg2);border-color:var(--border2);color:var(--text2)}.btn-stop:hover:not(:disabled){border-color:var(--text2)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent2);border-color:var(--accent2)}.btn-outline{background:transparent;border-color:var(--border2);color:var(--text2)}.btn-outline:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.btn-dot{width:8px;height:8px;border-radius:50%;background:var(--red);animation:recpulse 1s ease-in-out infinite}.compare-section{display:flex;flex-direction:column;gap:0}.track-block{border-bottom:1px solid 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canvas{display:block;width:100%}.compare-btn-row{display:flex;justify-content:center;padding:12px;background:var(--bg);border-top:1px solid var(--border)}.compare-toggle{background:var(--purple-dim);border:1px solid var(--purple);color:var(--purple);font-family:var(--font-sans);font-size:.75rem;font-weight:500;padding:7px 20px;border-radius:var(--radius);cursor:pointer;transition:all .12s;display:flex;align-items:center;gap:8px}.compare-toggle:hover{background:#8b5cf633}.compare-toggle:disabled{opacity:.3;cursor:default}.drop-zone{background:var(--white);border:2px dashed var(--border2);border-radius:var(--radius-lg);padding:52px 32px;text-align:center;cursor:pointer;transition:all 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var(--accent));border-radius:var(--radius);font-size:.72rem;box-shadow:var(--shadow-sm)}.badge-dot{width:7px;height:7px;border-radius:50%;background:var(--badge-color);flex-shrink:0}.badge-label{font-weight:600;color:var(--badge-color);font-family:var(--font-sans)}.badge-desc{color:var(--text3);font-family:var(--font-mono);font-size:.65rem}.note-chips{display:flex;flex-wrap:wrap;gap:4px;padding:12px 14px}.note-chip{display:flex;align-items:center;gap:4px;background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:3px 8px;transition:all .1s;font-family:var(--font-mono)}.note-chip.lit{border-color:var(--accent);background:var(--accent-dim)}.chip-count{font-size:.65rem;color:var(--text3)}.backend-notice{background:var(--white);border:1px solid var(--border);border-left:3px solid var(--amber);border-radius:var(--radius);padding:14px 18px;font-size:.78rem;color:var(--text2);line-height:1.7;font-family:var(--font-mono)}.backend-notice strong{color:var(--amber)}.backend-notice code{background:var(--bg2);padding:1px 5px;border-radius:3px;font-size:.75rem}.app-footer{margin-top:52px;padding-top:16px;border-top:1px solid var(--border);font-size:.68rem;color:var(--text3);text-align:center;font-family:var(--font-mono);letter-spacing:.08em}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}.pipeline-viz{padding:16px;display:flex;flex-direction:column;gap:16px}.pipeline-steps{display:flex;align-items:flex-start;gap:0}.pipeline-step{flex:1;display:flex;flex-direction:column;align-items:center;position:relative;text-align:center}.pipeline-step:not(:last-child):after{content:"";position:absolute;top:16px;left:50%;width:100%;height:2px;background:var(--border);z-index:0}.step-icon{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;position:relative;z-index:1;transition:background 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.3s;min-width:2px}.metric-val{font-family:var(--font-mono);font-size:.72rem;color:var(--text2);width:60px;text-align:right;flex-shrink:0}.mode-selector,.source-selector{display:flex;gap:8px;padding:12px 16px;flex-wrap:wrap}.mode-option,.source-option{flex:1;min-width:140px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;cursor:pointer;text-align:left;display:flex;flex-direction:column;gap:5px;transition:all .12s}.mode-option:hover,.source-option:hover{border-color:var(--accent);background:var(--accent-dim)}.mode-option.selected,.source-option.selected{border-color:var(--accent);background:var(--accent-dim);box-shadow:inset 0 0 0 1px var(--accent)}.mode-icon{font-size:1.2rem;line-height:1}.mode-label{font-family:var(--font-sans);font-size:.88rem;font-weight:600;color:var(--text)}.mode-desc{font-family:var(--font-mono);font-size:.68rem;color:var(--text3);line-height:1.45}.track-check{width:14px;height:14px;accent-color:var(--accent);cursor:pointer;flex-shrink:0}.track-dl-btn{background:transparent;border:1px solid var(--border2);color:var(--text3);font-size:.75rem;width:26px;height:26px;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .12s;flex-shrink:0}.track-dl-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.track-dl-btn:disabled{opacity:.3;cursor:default}.track-check{width:15px;height:15px;accent-color:var(--accent);cursor:pointer;flex-shrink:0}.dl-link{font-family:var(--font-mono);font-size:.65rem;color:var(--accent);text-decoration:none;letter-spacing:.03em}.dl-link:hover{text-decoration:underline}