:root{--color-bg: #1a1410;--color-bg-raised: #231e18;--color-bg-surface: #2c2520;--color-bg-hover: #352e27;--color-bg-input: #1e1914;--color-amber: #d4a04a;--color-amber-dim: #b8892e;--color-amber-glow: rgba(212, 160, 74, .15);--color-gold: #e8c56d;--color-text: #e8e0d4;--color-text-dim: #a89a8a;--color-text-muted: #7a6e62;--color-border: #3a322b;--color-border-light:#4a413a;--color-danger: #c45b4a;--color-danger-dim: rgba(196, 91, 74, .15);--color-success: #5a9e6f;--color-success-dim: rgba(90, 158, 111, .15);--status-learning: #d4a04a;--status-transcribing: #b85e2e;--status-playable: #5a9e6f;--status-polished: #6b8ec4;--status-retired: #7a6e62;--font-display: "DM Serif Display", Georgia, serif;--font-body: "IBM Plex Sans", -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Courier New", monospace;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 3px 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var(--ease-out);display:inline-flex;align-items:center;gap:var(--space-sm)}button:hover{background:var(--color-bg-hover);border-color:var(--color-border-light)}button:active{transform:scale(.98)}button:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-amber);color:var(--color-bg);border-color:var(--color-amber);font-weight:600}.btn-primary:hover{background:var(--color-gold);border-color:var(--color-gold)}.btn-danger{color:var(--color-danger);border-color:var(--color-danger);background:var(--color-danger-dim)}.btn-danger:hover{background:var(--color-danger);color:var(--color-text)}.btn-ghost{background:transparent;border-color:transparent;color:var(--color-text-dim)}.btn-ghost:hover{color:var(--color-text);background:var(--color-bg-hover)}.btn-sm{font-size:.8rem;padding:.4rem .8rem}.btn-action{font-size:.9rem;padding:.25rem 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var(--color-border);background:var(--color-bg-raised);position:sticky;top:0;z-index:100}.nav-brand{font-family:var(--font-display);font-size:1.4rem;color:var(--color-amber);letter-spacing:-.01em;-webkit-user-select:none;user-select:none}.nav-links{display:flex;align-items:center;gap:var(--space-xs)}.nav-link{font-size:.875rem;font-weight:500;color:var(--color-text-dim);padding:.4rem .9rem;border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease;border:none;background:none}.nav-link:hover{color:var(--color-text);background:var(--color-bg-hover)}.nav-link.active{color:var(--color-amber);background:var(--color-amber-glow)}.nav-divider{width:1px;height:20px;background:var(--color-border);margin:0 var(--space-sm)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-lg)}.login-container{width:100%;max-width:380px;animation:slideUp .5s var(--ease-out) both}.login-header{text-align:center;margin-bottom:var(--space-2xl)}.login-header h1{font-family:var(--font-display);font-size:2.5rem;color:var(--color-amber);margin-bottom:var(--space-sm)}.login-header p{color:var(--color-text-muted);font-size:.9375rem}.login-form{display:flex;flex-direction:column;gap:var(--space-md)}.login-form button[type=submit]{margin-top:var(--space-sm);width:100%;justify-content:center;padding:.75rem}.login-toggle{text-align:center;margin-top:var(--space-lg);color:var(--color-text-muted);font-size:.875rem}.login-toggle button{background:none;border:none;color:var(--color-amber);cursor:pointer;font-weight:500;padding:0;font-size:.875rem}.login-toggle button:hover{color:var(--color-gold);background:none;border:none}.login-error{color:var(--color-danger);font-size:.8125rem;text-align:center;padding:var(--space-sm) 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h1{margin-bottom:var(--space-xs)}.tune-detail-actions{display:flex;gap:var(--space-sm);align-items:flex-start}.tune-meta-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:var(--space-md);margin-bottom:var(--space-xl)}.meta-item{display:flex;flex-direction:column;gap:2px}.meta-label{font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted)}.meta-value{font-size:.9375rem;color:var(--color-text)}.tune-notes{color:var(--color-text-dim);font-size:.9375rem;line-height:1.7;padding:var(--space-md);background:var(--color-bg-surface);border-radius:var(--radius-md);border-left:3px solid var(--color-amber-dim);margin-bottom:var(--space-xl)}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md);padding-bottom:var(--space-sm);border-bottom:1px solid var(--color-border)}.section-header h2{font-size:1.15rem}.recording-list{display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-xl)}.recording-item{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md);background:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color .2s ease}.recording-item:hover{border-color:var(--color-border-light)}.recording-item.expanded{border-color:var(--color-amber-dim);background:var(--color-bg-surface);border-bottom-left-radius:0;border-bottom-right-radius:0}.recording-expanded{border:1px solid var(--color-amber-dim);border-top:none;border-radius:0 0 var(--radius-md) var(--radius-md);padding:var(--space-lg);background:var(--color-bg-surface);margin-bottom:var(--space-sm)}.recording-info{display:flex;flex-direction:column;gap:2px;min-width:0}.recording-name{font-weight:500;font-size:.9375rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.recording-meta{font-size:.8rem;color:var(--color-text-muted);display:flex;gap:var(--space-md)}.recording-actions{display:flex;gap:var(--space-sm);align-items:center;flex-shrink:0}.upload-area{border:2px dashed var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);text-align:center;cursor:pointer;transition:all .2s ease;margin-bottom:var(--space-md)}.upload-area:hover{border-color:var(--color-amber-dim);background:var(--color-amber-glow)}.upload-area.dragover{border-color:var(--color-amber);background:var(--color-amber-glow)}.upload-icon{font-size:2rem;margin-bottom:var(--space-sm)}.upload-area p{color:var(--color-text-dim);font-size:.9375rem}.upload-area 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var(--color-border);border-radius:var(--radius-md)}.segment-color{width:12px;height:12px;border-radius:50%;flex-shrink:0}.segment-info{flex:1;min-width:0}.segment-label{font-weight:500;font-size:.9375rem;display:block;margin-bottom:2px}.segment-times{font-family:var(--font-mono);font-size:.8rem;color:var(--color-text-muted);display:block}.segment-actions{display:flex;gap:var(--space-xs)}.segment-form{display:grid;grid-template-columns:1fr auto auto auto;gap:var(--space-sm);align-items:end;padding:var(--space-md);background:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-md)}.segment-form .time-inputs{display:flex;gap:var(--space-sm)}.segment-form input[type=number]{width:80px}.mark-input{display:flex;gap:4px;align-items:stretch}.mark-input input{flex:1;min-width:60px}.mark-btn{font-size:.7rem;font-weight:600;padding:.4rem .6rem;border-radius:var(--radius-sm);background:var(--color-amber-glow);border:1px solid var(--color-amber-dim);color:var(--color-amber);cursor:pointer;white-space:nowrap;transition:all .15s ease}.mark-btn:hover{background:var(--color-amber);color:var(--color-bg);border-color:var(--color-amber)}.audio-player{background:var(--color-bg-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg);margin-bottom:var(--space-md)}.player-error{color:var(--color-danger);font-size:.8125rem;margin-bottom:var(--space-md)}.player-timeline{position:relative;height:32px;background:var(--color-bg-input);border-radius:var(--radius-sm);cursor:pointer;overflow:hidden;margin-bottom:var(--space-xs)}.timeline-segment{position:absolute;top:0;height:100%;opacity:.25;transition:opacity .2s ease;pointer-events:none}.timeline-segment.looping{opacity:.45;animation:loopPulse 2s ease-in-out infinite}@keyframes 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ease}.transport-btn:hover{border-color:var(--color-border-light);background:var(--color-bg-hover)}.transport-btn.play-btn{width:44px;height:44px;font-size:1.1rem;background:var(--color-amber);border-color:var(--color-amber);color:var(--color-bg)}.transport-btn.play-btn:hover{background:var(--color-gold);border-color:var(--color-gold)}.player-speed{display:flex;align-items:center;gap:var(--space-sm);flex:1;min-width:0}.speed-label{font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);white-space:nowrap}.speed-presets{display:flex;gap:2px}.speed-preset{font-size:.75rem;font-family:var(--font-mono);padding:.25rem .5rem;border-radius:var(--radius-sm);background:var(--color-bg-surface);border:1px solid var(--color-border);color:var(--color-text-dim);cursor:pointer;transition:all .15s ease}.speed-preset:hover{color:var(--color-text);border-color:var(--color-border-light)}.speed-preset.active{background:var(--color-amber-glow);border-color:var(--color-amber-dim);color:var(--color-amber)}.speed-slider{flex:1;min-width:60px;max-width:120px;height:4px;-webkit-appearance:none;appearance:none;background:var(--color-border);border-radius:2px;outline:none;border:none;padding:0}.speed-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:var(--color-amber);cursor:pointer;border:none}.speed-slider::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--color-amber);cursor:pointer;border:none}.speed-value{font-family:var(--font-mono);font-size:.8rem;color:var(--color-text-dim);min-width:3.5em;text-align:right}.loop-indicator{display:flex;align-items:center;gap:var(--space-sm);font-size:.8125rem;color:var(--color-text-dim);padding:.3rem .6rem;background:var(--color-bg-surface);border-radius:var(--radius-md);border:1px solid var(--color-border)}.loop-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.loop-label{white-space:nowrap}.loop-indicator-wrap{display:flex;align-items:center;gap:var(--space-sm);flex-wrap:wrap}.ramp-toggle{font-size:.75rem;padding:.3rem .6rem;background:none;border:1px dashed var(--color-border);border-radius:var(--radius-md);color:var(--color-text-muted);cursor:pointer;transition:all .15s ease;white-space:nowrap}.ramp-toggle:hover{border-color:var(--color-amber-dim);color:var(--color-amber)}.ramp-controls{display:flex;align-items:center;gap:var(--space-sm);font-size:.8rem;padding:.3rem .6rem;background:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:var(--radius-md)}.ramp-title{font-weight:600;color:var(--color-amber);font-size:.75rem;white-space:nowrap}.ramp-fields{display:flex;gap:var(--space-sm);align-items:center}.ramp-fields 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select{width:100%;font-size:1rem;padding:var(--space-sm)}.shed-ramp-done{text-align:center;margin-top:var(--space-md);padding:var(--space-sm);color:var(--color-success);font-weight:600;font-size:.9rem}.shed-mark-trigger{display:block;width:100%;padding:var(--space-md);background:none;border:2px dashed var(--color-border);border-radius:var(--radius-lg);color:var(--color-text-muted);font-size:.95rem;font-weight:500;cursor:pointer;transition:all .15s ease;margin-top:var(--space-md)}.shed-mark-trigger:active{border-color:var(--color-amber-dim);color:var(--color-amber)}.shed-mark-panel{margin-top:var(--space-md);padding:var(--space-lg);background:var(--color-bg-raised);border:1px solid var(--color-amber-dim);border-radius:var(--radius-lg)}.shed-mark-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md)}.shed-mark-title{font-weight:600;color:var(--color-amber)}.shed-mark-buttons{display:flex;gap:var(--space-sm);margin-bottom:var(--space-md)}.shed-mark-btn{flex:1;padding:var(--space-md);background:var(--color-bg-surface);border:2px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text);font-size:1rem;font-weight:600;cursor:pointer;transition:all .15s 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