:root{--color-primary:#20384a;--color-primary-dark:#172b38;--color-secondary:#5d87a1;--color-bg:#f7edd4;--color-bg-alt:#f1e3c3;--color-border:rgba(33, 50, 58, 0.22);--color-text:#21323a;--color-text-light:#3a4a50;--color-success:#5c7150;--color-danger:#b86a55;--color-warning:#c99a32;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--radius-sm:0.5rem;--radius-md:0.875rem;--radius-lg:1.125rem;--shadow-sm:2px 2px 0 rgba(33, 50, 58, 0.1);--shadow-md:3px 3px 0 rgba(33, 50, 58, 0.12);--shadow-lg:4px 4px 0 rgba(33, 50, 58, 0.14)}*{box-sizing:border-box}#timbre-lab-root{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;color:var(--color-text);background:radial-gradient(circle at top,rgb(255 255 255 / .2),transparent 35%),linear-gradient(180deg,#f7edd4 0%,#f1e3c3 100%);padding:var(--spacing-md);max-width:100%}.timbre-lab-container{display:flex;flex-direction:column;gap:var(--spacing-lg);width:100%}.timbre-lab-tabs{display:flex;gap:var(--spacing-sm);overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0}.timbre-lab-tab-button{font-size:1rem;font-weight:700;white-space:nowrap;flex-shrink:0}.timbre-lab-tab-button:hover{color:var(--color-text)}.timbre-lab-tab-button.active{color:var(--lab-accent-contrast)}.timbre-lab-tab-content{display:none;animation:fadeIn 0.2s ease}.timbre-lab-tab-content.active{display:block}@keyframes fadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.analyzer-section{display:flex;flex-direction:column;gap:var(--spacing-lg)}.canvas-container{display:grid;grid-template-columns:1fr;gap:var(--spacing-md);width:100%}.canvas-wrapper{background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-md);box-shadow:var(--shadow-sm)}.canvas-wrapper h3{margin:0 0 var(--spacing-md) 0;font-size:.875rem;font-weight:600;color:var(--color-text-light);text-transform:uppercase;letter-spacing:.05em}canvas{display:block;width:100%;height:auto;background:#f7edd4;border-radius:var(--radius-sm)}.metrics-panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:var(--spacing-sm);background:var(--color-bg-alt);padding:var(--spacing-md);border-radius:var(--radius-md);border:1px solid var(--color-border)}.metric-item{display:flex;flex-direction:column;gap:var(--spacing-xs)}.metric-label{font-size:.75rem;font-weight:600;color:var(--color-text-light);text-transform:uppercase;letter-spacing:.05em}.metric-value{font-size:1.5rem;font-weight:700;color:var(--color-primary);font-family:'Monaco','Courier New',monospace}.metric-unit{font-size:.75rem;color:var(--color-text-light)}.metric-item--f0,#metric-f0-unit{min-width:0}#metric-f0-unit{line-height:1.35}.controls-section{display:flex;flex-wrap:wrap;gap:var(--spacing-md);align-items:center}.button-group{display:flex;gap:var(--spacing-sm);flex-wrap:wrap}.button-group>.lab-btn,.button-group>button{flex:1 1 180px}button{padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:500;cursor:pointer;transition:all 0.2s ease;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);white-space:nowrap}button.btn-primary{background:var(--color-primary);color:#fff}button.btn-primary:hover{background:var(--color-primary-dark);box-shadow:var(--shadow-md)}button.btn-primary:active{transform:scale(.98)}button.btn-secondary{background:var(--color-bg-alt);color:var(--color-text);border:1px solid var(--color-border)}button.btn-secondary:hover{background:#fff;border-color:var(--color-primary);color:var(--color-primary)}button.btn-danger{background:var(--color-danger);color:#fff}button.btn-danger:hover{background:#dc2626}button.btn-success{background:var(--color-success);color:#fff}button.btn-success:hover{background:#059669}button:disabled{opacity:.5;cursor:not-allowed;transform:none}.status-indicator{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);font-size:.875rem;font-weight:500}.status-indicator.recording{background:#fecaca;color:#dc2626}.status-indicator.recording::before{content:'';display:inline-block;width:8px;height:8px;background:#dc2626;border-radius:50%;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}.status-indicator.frozen{background:#bfdbfe;color:#1e40af}.status-indicator.idle{background:#d1d5db;color:#6b7280}.synth-section{display:flex;flex-direction:column;gap:var(--spacing-lg)}.synth-controls{display:flex;flex-direction:column;gap:var(--spacing-lg)}.control-group{display:flex;flex-direction:column;gap:var(--spacing-sm)}.control-group label{font-size:.875rem;font-weight:600;color:var(--color-text)}.slider-wrapper{display:flex;flex-direction:column;gap:var(--spacing-sm)}.slider-labels{display:flex;justify-content:space-between;font-size:.75rem;color:var(--color-text-light)}input[type="range"]{width:100%;height:6px;border-radius:3px;background:var(--color-bg-alt);outline:none;-webkit-appearance:none;appearance:none}input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--color-primary);cursor:pointer;transition:all 0.2s ease;box-shadow:var(--shadow-sm)}input[type="range"]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--color-primary);cursor:pointer;border:none;transition:all 0.2s ease;box-shadow:var(--shadow-sm)}input[type="range"]::-webkit-slider-thumb:hover{background:var(--color-primary-dark);box-shadow:var(--shadow-md)}input[type="range"]::-moz-range-thumb:hover{background:var(--color-primary-dark);box-shadow:var(--shadow-md)}.slider-value{text-align:right;font-weight:600;color:var(--color-primary);font-family:'Monaco','Courier New',monospace}.harmonics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(80px,1fr));gap:var(--spacing-md)}.harmonic-control{display:flex;flex-direction:column;gap:var(--spacing-xs)}.harmonic-control label{font-size:.75rem;font-weight:600;color:var(--color-text-light);text-align:center}.adsr-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:var(--spacing-md)}.adsr-item{display:flex;flex-direction:column;gap:var(--spacing-sm)}.adsr-item label{font-size:.875rem;font-weight:600;color:var(--color-text);text-align:center}.import-section{background:var(--color-bg-alt);padding:var(--spacing-lg);border-radius:var(--radius-md);border:2px dashed var(--color-border)}.import-section h3{margin-top:0;color:var(--color-text)}.import-note{font-size:.875rem;color:var(--color-text-light);margin:var(--spacing-md) 0}.message{padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-md);font-size:.875rem;display:flex;align-items:center;gap:var(--spacing-sm)}.message.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.message.info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}.message.success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}.message.error.lab-feedback{border-color:var(--lab-danger-border);background:var(--lab-danger-bg);color:var(--lab-danger)}.message.info.lab-feedback{border-color:rgb(37 99 235 / .22);background:var(--lab-accent-bg);color:var(--lab-accent-dark)}.message.success.lab-feedback{border-color:var(--lab-success-border);background:var(--lab-success-bg);color:var(--lab-success)}@media (min-width:640px){#timbre-lab-root{padding:var(--spacing-lg)}.canvas-container{grid-template-columns:repeat(2,1fr)}.metrics-panel{grid-template-columns:repeat(4,1fr)}.adsr-grid{grid-template-columns:repeat(4,1fr)}button{padding:var(--spacing-md) var(--spacing-xl)}}@media (min-width:1024px){#timbre-lab-root{padding:var(--spacing-xl);margin:0 auto}.canvas-container{grid-template-columns:repeat(2,1fr)}.controls-section{align-items:center;gap:var(--spacing-lg)}.button-group{flex-wrap:nowrap}}@media (prefers-reduced-motion:reduce){*{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}}.info-btn{background:var(--color-primary);color:#fff;border:none;border-radius:50%;width:20px;height:20px;padding:0;font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all 0.2s ease}.info-btn:hover{background:var(--color-primary-dark);transform:scale(1.1)}.info-modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:rgb(0 0 0 / .5);align-items:center;justify-content:center}.info-modal-content{background-color:var(--color-bg);padding:var(--spacing-lg);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-width:500px;width:90%;position:relative;border:2px solid var(--color-primary)}.close-btn{position:absolute;right:var(--spacing-md);top:var(--spacing-md);background:#fff0;border:none;font-size:2rem;cursor:pointer;color:var(--color-text);padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center}.close-btn:hover{color:var(--color-primary)}.info-modal-content h3{margin-top:0;color:var(--color-primary);margin-bottom:var(--spacing-md)}.info-modal-content p{margin:0;color:var(--color-text);line-height:1.6;white-space:pre-wrap}@media (prefers-color-scheme:dark){:root{--color-bg:#1f2937;--color-bg-alt:#111827;--color-border:#374151;--color-text:#f3f4f6;--color-text-light:#9ca3af}canvas{background:#111827;border-color:#374151}.info-modal-content{background-color:#1f2937;border-color:#3b82f6}}.tl-header{display:flex;align-items:baseline;gap:1rem;margin-bottom:-.5rem}.tl-title{margin:0;font-size:1.5rem;color:var(--color-primary)}.tl-subtitle{font-size:.8rem;color:var(--color-text-light)}.metric-label-row{display:flex;gap:.4rem;align-items:center}.status-col{display:flex;align-items:center}.canvas-harmonics-featured{border:2px solid var(--color-primary);background:#0f172a;padding:0;overflow:hidden}.canvas-harmonics-featured .canvas-header{padding:.75rem 1rem .5rem;background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);display:flex;align-items:center;gap:1rem}.canvas-harmonics-featured h3{color:#e2e8f0!important;margin:0!important;font-size:0.9rem!important;font-weight:700!important;text-transform:none!important;letter-spacing:normal!important}.canvas-harmonics-featured canvas{background:#0f172a!important;border-radius:0!important;width:100%!important}.canvas-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}.canvas-header h3{margin:0;flex:1}.harmonics-edu-bar{display:flex;flex-wrap:wrap;gap:.5rem;padding:.5rem 1rem;background:#1e293b;border-top:1px solid #334155}.edu-tip{font-size:.78rem;color:#94a3b8}.canvas-container{grid-template-columns:repeat(3,1fr)!important}.canvas-wrapper canvas{background:#0f172a!important}.canvas-wrapper{background:#0f172a;border-color:#1e293b}.canvas-wrapper h3{color:#94a3b8!important}.info-btn-lg{width:auto!important;height:auto!important;border-radius:6px!important;padding:2px 8px!important;font-size:11px!important;white-space:nowrap}.edu-panel{background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-md)}.edu-panel-title{font-weight:700;font-size:.9rem;margin-bottom:.75rem;color:var(--color-primary)}.edu-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.75rem}.edu-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:.75rem}.edu-card-icon{font-size:1.2rem;margin-bottom:.25rem}.edu-card-title{font-size:.8rem;font-weight:700;margin-bottom:.25rem;color:var(--color-text)}.edu-card-text{font-size:.75rem;color:var(--color-text-light);line-height:1.4}.presets-section{background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-md)}.presets-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem}.presets-header h3{margin:0;font-size:.9rem}.presets-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:.5rem;margin-bottom:.75rem}.preset-selector{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:.65rem;margin-bottom:.9rem}.preset-preview{display:grid;gap:.3rem;padding:.85rem .95rem;border-radius:16px;border:1px solid rgb(173 132 83 / .16);background:rgb(255 255 255 / .72)}.preset-preview__title{font-size:.9rem;font-weight:700;color:var(--color-text)}.preset-preview__text{font-size:.78rem;line-height:1.45;color:var(--color-text-light)}.preset-btn{background:var(--color-bg);border:2px solid var(--color-border);border-radius:var(--radius-md);padding:.5rem .25rem;font-size:.8rem;cursor:pointer;text-align:center;line-height:1.4;transition:all 0.2s;color:var(--color-text)}.preset-btn span{font-size:.65rem;color:var(--color-text-light);display:block}.preset-btn:hover,.preset-btn.active{border-color:var(--color-primary);background:#eff6ff;color:var(--color-primary)}.preset-tip{font-size:.75rem;color:var(--color-text-light)}.f0-hints{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.25rem}.f0-hint{font-size:.72rem;background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:4px;padding:2px 8px;cursor:pointer;color:var(--color-text-light);transition:all 0.15s}.f0-hint:hover{border-color:var(--color-primary);color:var(--color-primary)}.adsr-visualizer{background:#0f172a;border-radius:var(--radius-sm);padding:.25rem;margin-bottom:.5rem}.adsr-hint{font-size:.68rem;color:var(--color-text-light);line-height:1.3;margin-top:2px}.harmonic-tip{font-size:.75rem;color:var(--color-text-light);margin-top:.5rem}.tuner-panel{display:grid;gap:1rem}.tuner-readout{display:grid;gap:.3rem;justify-items:center;text-align:center}.tuner-note{font-size:2rem;font-weight:700;color:var(--lab-text,#1f2937)}.tuner-frequency{font-size:.95rem;color:var(--color-text)}.tuner-cents{font-size:.82rem;color:var(--color-text-light)}.tuner-cents.is-good{color:#15803d}.tuner-cents.is-close{color:#b45309}.tuner-cents.is-off{color:#b91c1c}.tuner-meter{display:grid;grid-template-columns:auto 1fr auto;gap:.75rem;align-items:center}.tuner-meter-label{font-size:.75rem;color:var(--color-text-light)}.tuner-meter-track{position:relative;height:14px;border-radius:999px;background:linear-gradient(90deg,rgb(185 28 28 / .14),rgb(245 158 11 / .18) 25%,rgb(21 128 61 / .22) 50%,rgb(245 158 11 / .18) 75%,rgb(185 28 28 / .14));overflow:hidden}.tuner-meter-center{position:absolute;inset:-2px auto -2px 50%;width:2px;background:rgb(31 41 55 / .8);transform:translateX(-50%)}.tuner-needle{position:absolute;top:50%;left:50%;width:16px;height:16px;border-radius:50%;background:#2563eb;border:2px solid #fff;transform:translate(-50%,-50%);box-shadow:0 0 0 2px rgb(37 99 235 / .18);transition:left 0.12s ease-out}.tuner-reference{display:grid;gap:.5rem}.harmonics-mini-chart{margin-bottom:.5rem}#info-modal-text ul{padding-left:1.2rem;margin:.5rem 0}#info-modal-text li{margin-bottom:.25rem;font-size:.9rem}#info-modal-text p{margin:.5rem 0;font-size:.9rem;line-height:1.5}#info-modal-text code{background:var(--color-bg-alt);padding:1px 5px;border-radius:3px;font-family:monospace;font-size:.85rem}.btn-lg{font-size:1.1rem!important;padding:.75rem 2rem!important}@media (prefers-color-scheme:dark){.canvas-wrapper{background:#0f172a;border-color:#1e293b}.canvas-harmonics-featured{border-color:#2563eb}.preset-btn:hover,.preset-btn.active{background:#1e3a5f}.f0-hint:hover{background:#1e293b}.edu-card{background:#1e293b;border-color:#334155}}@media (max-width:639px){.canvas-container{grid-template-columns:1fr!important}.presets-grid{grid-template-columns:repeat(3,1fr)}.edu-grid{grid-template-columns:1fr}.button-group{display:grid;grid-template-columns:1fr}}#timbre-lab-root{font-family:inherit;color:var(--lab-text,#1f2937);background:#fff0;padding:0;max-width:100%}.timbre-lab-container{width:100%;max-width:var(--lab-max-w,1040px);margin:0 auto}.timbre-lab-container__inner{display:flex;flex-direction:column;gap:1.25rem;background:radial-gradient(circle at top left,rgb(222 170 108 / .12),transparent 28%),linear-gradient(180deg,rgb(255 251 245 / .98),rgb(249 244 236 / .98));border:1px solid rgb(173 132 83 / .2);border-radius:28px;box-shadow:0 22px 44px rgb(83 50 26 / .12)}.tl-header{align-items:flex-start;justify-content:space-between;gap:1rem;margin:0}.tl-header__main{display:grid;gap:.4rem}.tl-title{margin:0;color:var(--lab-text,#1f2937)}.tl-subtitle{margin:0;font-size:.96rem;color:var(--lab-muted,#6f6255)}.tl-header__meta{display:flex;flex-direction:column;align-items:flex-end;gap:.75rem;justify-content:flex-end}.tl-header__chips{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.5rem}.help-usage-btn{min-height:3.5rem;padding:.9rem 1.2rem;border:1px solid rgb(196 141 71 / .4);border-radius:18px;background:linear-gradient(135deg,#c88535 0%,#a95c1a 100%);color:#fff8ef;font-size:1rem;font-weight:800;line-height:1.2;text-align:center;white-space:normal;max-width:19rem;box-shadow:0 14px 28px rgb(110 61 20 / .2)}.help-usage-btn:hover{transform:translateY(-1px);box-shadow:0 18px 30px rgb(110 61 20 / .24)}.timbre-lab-topbar{display:flex;justify-content:flex-start}.timbre-lab-tabs{width:auto}.timbre-lab-tab-content.active{display:block}.analyzer-section,.synth-section{gap:1.25rem}.metrics-panel{background:linear-gradient(180deg,rgb(255 252 248 / .96),rgb(248 241 231 / .96));border:1px solid rgb(173 132 83 / .16);border-radius:22px;box-shadow:none}.metric-label{color:#8a735d}.metric-value{color:#7a4b22}.status-indicator.idle{background:rgb(170 150 126 / .18);color:#6e5a45}.status-indicator.recording{background:rgb(205 82 59 / .14);color:#a63d29}.status-indicator.frozen{background:rgb(137 108 63 / .16);color:#7a5523}.canvas-wrapper{background:linear-gradient(180deg,rgb(35 31 28 / .98),rgb(19 17 15 / .98));border:1px solid rgb(154 126 86 / .28);border-radius:22px;box-shadow:none}.canvas-wrapper h3{color:#d8c2a7!important}.canvas-wrapper canvas{background:#11100e!important}.canvas-harmonics-featured{border-color:rgb(201 154 86 / .92)}.canvas-harmonics-featured .canvas-header{padding:.9rem 1.05rem .55rem;background:linear-gradient(135deg,#1d1916 0%,#312722 100%)}.harmonics-edu-bar{background:rgb(59 49 42 / .98);border-top-color:rgb(166 137 97 / .24)}.edu-tip{color:#d7c0a4}.controls-section{align-items:stretch;gap:.75rem}.button-group{width:100%}.edu-panel,.presets-section,.import-section,.control-group{background:linear-gradient(180deg,rgb(255 252 248 / .94),rgb(248 241 232 / .94));border:1px solid rgb(173 132 83 / .16);border-radius:22px;box-shadow:none}.edu-panel-title{color:#8a4f1d}.edu-card{background:rgb(255 255 255 / .72);border:1px solid rgb(173 132 83 / .16);border-radius:18px}.presets-header,.canvas-header{align-items:center}.preset-btn{min-height:4.5rem;background:rgb(255 255 255 / .82);border-color:rgb(173 132 83 / .18);border-radius:16px}.preset-btn:hover,.preset-btn.active{background:rgb(244 231 213 / .95);border-color:#c48d47;color:#8a4f1d}.preset-btn span,.preset-tip,.f0-hint,.adsr-hint,.harmonic-tip,.edu-card-text{color:#756553}.f0-hint{background:rgb(255 255 255 / .72);border-radius:999px;border-color:rgb(173 132 83 / .18);padding:.3rem .65rem}.f0-hint:hover{background:rgb(244 231 213 / .95)}.adsr-visualizer{background:linear-gradient(180deg,rgb(35 31 28 / .98),rgb(19 17 15 / .98));border:1px solid rgb(154 126 86 / .2)}.info-btn{border:1px solid rgb(173 132 83 / .2);background:rgb(255 255 255 / .82);color:#8a4f1d}.info-btn:hover{background:rgb(244 231 213 / .95)}.info-modal-content{background:linear-gradient(180deg,rgb(255 251 245 / .98),rgb(248 241 232 / .98));border:1px solid rgb(173 132 83 / .2);border-radius:24px;box-shadow:0 22px 44px rgb(50 34 20 / .18)}@media (max-width:800px){.tl-header{flex-direction:column}.tl-header__meta{align-items:stretch;justify-content:flex-start;width:100%}.tl-header__chips{justify-content:flex-start}.help-usage-btn{width:100%;max-width:none}}