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var(--color-error-500);border-radius:var(--radius-lg);color:var(--color-error-400);margin-bottom:var(--spacing-4);display:flex;align-items:start;gap:var(--spacing-3);animation:var(--animation-slide-down)}.error-icon{flex-shrink:0;font-size:var(--font-size-xl)}.error-content{flex:1}.error-title{font-weight:var(--font-weight-semibold);margin-bottom:var(--spacing-1)}.error-message{font-size:var(--font-size-sm);color:var(--color-error-300)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-12);text-align:center;color:var(--color-gray-400)}.empty-state-icon{font-size:80px;margin-bottom:var(--spacing-6);opacity:.3}.empty-state-title{font-size:var(--font-size-xl);font-weight:var(--font-weight-semibold);color:var(--color-gray-300);margin-bottom:var(--spacing-3)}.empty-state-description{font-size:var(--font-size-base);color:var(--color-gray-500);max-width:400px;margin-bottom:var(--spacing-6);line-height:var(--line-height-relaxed)}@media (max-width: 1280px){.app.with-right-panel{grid-template-columns:var(--sidebar-width) 1fr 300px}}@media (max-width: 1024px){.app{grid-template-areas:"header" "workspace" "transport";grid-template-columns:1fr;grid-template-rows:var(--header-height) 1fr var(--transport-height)}.app-sidebar,.app-right-panel{display:none}.app-header-left{gap:var(--spacing-3)}.app-logo-text{display:none}.visualizations-grid{grid-template-columns:1fr}}@media (max-width: 768px){.app-header{padding:0 var(--spacing-4)}.app-workspace{padding:var(--spacing-4)}.app-transport{padding:0 var(--spacing-4)}.file-loader-compact .file-name{max-width:120px}}.app-main{padding:var(--spacing-5);overflow-y:auto;display:flex;flex-direction:column;gap:var(--spacing-5)}.eq-workspace{display:grid;grid-template-columns:1fr 380px;gap:var(--spacing-4);flex:1;min-height:0}.eq-visual-area{display:flex;flex-direction:column;gap:var(--spacing-4);min-height:500px;overflow:hidden}.eq-visual-area>.glass-panel{flex:1}.eq-controls-area{display:flex;flex-direction:column;gap:var(--spacing-3);overflow-y:auto;max-height:calc(100vh - var(--header-height) - var(--transport-height) - 120px)}.preset-selector-compact{padding:var(--spacing-3)}.preset-selector-compact h3{font-size:var(--font-size-md);margin-bottom:var(--spacing-2)}.preset-selector-compact .mode-buttons{display:flex;flex-direction:column;gap:var(--spacing-2)}.preset-selector-compact .mode-buttons button{width:100%;justify-content:flex-start;text-align:left}.spectrogram-compact{padding:var(--spacing-3);max-height:200px}.spectrogram-compact h4{margin:0 0 var(--spacing-2) 0;font-size:var(--font-size-sm);color:var(--color-text-secondary)}.waveform-compact{padding:var(--spacing-3)}.waveform-compact h4{margin:0 0 var(--spacing-2) 0;font-size:var(--font-size-sm);color:var(--color-text-secondary)}.workspace-content,.preset-mode-content,.visualizations-section{display:flex;flex-direction:column;gap:var(--spacing-4)}.spectrograms-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:var(--spacing-4)}.spectrogram-section h2{margin:0 0 var(--spacing-3) 0;font-size:var(--font-size-lg);color:var(--color-text-primary)}.processing-indicator{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-3);padding:var(--spacing-6);text-align:center}.processing-indicator .spinner{width:48px;height:48px;border:4px solid var(--glass-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .8s linear infinite}.error-message{padding:var(--spacing-4);background:var(--glass-bg-light);border-left:4px solid var(--color-error);color:var(--color-error);animation:shake .5s ease-in-out}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}@media (max-width: 480px){.app{grid-template-rows:auto 1fr auto}.app-header{flex-wrap:wrap;height:auto;padding:var(--spacing-3);gap:var(--spacing-2)}.header-center{order:3;width:100%;padding:var(--spacing-2) 0}.app-main{padding:var(--spacing-3)}.eq-workspace{grid-template-columns:1fr;grid-template-rows:auto auto}.eq-controls-area{max-height:none}.spectrograms-container{grid-template-columns:1fr}}@media (max-width: 1024px){.eq-workspace{grid-template-columns:1fr 320px}}@media (max-width: 768px){.eq-workspace{grid-template-columns:1fr;grid-template-rows:auto auto}.eq-visual-area{min-height:400px}.eq-controls-area{max-height:600px}}:root{--color-primary-900: #0a1929;--color-primary-800: #1a2942;--color-primary-700: #2a3f5f;--color-primary-600: #3b5998;--color-primary-500: #4c7cd1;--color-primary-400: #6b9eff;--color-primary-300: #8bb4ff;--color-primary-200: #b3d4ff;--color-primary-100: #dae9ff;--color-accent-500: #00f5ff;--color-accent-400: #33f7ff;--color-accent-300: #66f9ff;--color-accent-200: #99fbff;--color-secondary-500: #b794f6;--color-secondary-400: #c7a8f8;--color-secondary-300: #d7bcfa;--color-success-500: #48bb78;--color-success-400: #68d391;--color-warning-500: #ed8936;--color-warning-400: #f6ad55;--color-error-500: #f56565;--color-error-400: #fc8181;--color-gray-950: #0a0b0d;--color-gray-900: #0f1114;--color-gray-850: #14161a;--color-gray-800: #1a1d23;--color-gray-750: #1f232a;--color-gray-700: #252a33;--color-gray-600: #2d3541;--color-gray-500: #3d4452;--color-gray-400: #6b7280;--color-gray-300: #9ca3af;--color-gray-200: #d1d5db;--color-gray-100: #e5e7eb;--glass-bg-primary: rgba(26, 29, 35, .7);--glass-bg-secondary: rgba(20, 22, 26, .6);--glass-bg-tertiary: rgba(15, 17, 20, .5);--glass-border: rgba(255, 255, 255, .05);--glass-border-hover: rgba(255, 255, 255, .1);--glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, .37);--glass-shadow-lg: 0 12px 48px 0 rgba(0, 0, 0, .5);--gradient-primary: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-800) 100%);--gradient-accent: linear-gradient(135deg, var(--color-accent-500) 0%, var(--color-primary-500) 100%);--gradient-purple: linear-gradient(135deg, var(--color-secondary-500) 0%, var(--color-primary-500) 100%);--gradient-mesh: radial-gradient(at 27% 37%, hsla(215, 98%, 61%, .2) 0px, transparent 50%), radial-gradient(at 97% 21%, hsla(180, 100%, 50%, .1) 0px, transparent 50%), radial-gradient(at 52% 99%, hsla(270, 87%, 76%, .1) 0px, transparent 50%);--font-family-base: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-mono: "JetBrains Mono", "Fira Code", "Consolas", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--spacing-0: 0;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--spacing-16: 4rem;--spacing-20: 5rem;--radius-sm: 4px;--radius-base: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow-base: 0 2px 8px 0 rgba(0, 0, 0, .4);--shadow-md: 0 4px 16px 0 rgba(0, 0, 0, .5);--shadow-lg: 0 8px 32px 0 rgba(0, 0, 0, .6);--shadow-xl: 0 12px 48px 0 rgba(0, 0, 0, .7);--shadow-glow-primary: 0 0 20px var(--color-primary-500);--shadow-glow-accent: 0 0 20px var(--color-accent-500);--shadow-glow-success: 0 0 20px var(--color-success-500);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--transition-spring: .4s cubic-bezier(.34, 1.56, .64, 1);--z-base: 0;--z-dropdown: 100;--z-sticky: 200;--z-fixed: 300;--z-modal-backdrop: 400;--z-modal: 500;--z-popover: 600;--z-tooltip: 700;--header-height: 72px;--sidebar-width: 280px;--sidebar-collapsed-width: 64px;--transport-height: 88px;--panel-min-width: 320px;--blur-sm: 4px;--blur-base: 8px;--blur-md: 12px;--blur-lg: 16px;--blur-xl: 24px;--animation-spin: spin 1s linear infinite;--animation-pulse: pulse 2s cubic-bezier(.4, 0, .6, 1) infinite;--animation-bounce: bounce 1s infinite;--animation-fade-in: fadeIn var(--transition-base) ease-in;--animation-slide-up: slideUp var(--transition-base) ease-out;--animation-slide-down: slideDown var(--transition-base) ease-out;--animation-scale-in: scaleIn var(--transition-base) ease-out}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes bounce{0%,to{transform:translateY(-25%);animation-timing-function:cubic-bezier(.8,0,1,1)}50%{transform:translateY(0);animation-timing-function:cubic-bezier(0,0,.2,1)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes slideDown{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes scaleIn{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}@keyframes waveform{0%,to{transform:scaleY(.5)}50%{transform:scaleY(1)}}.glass-panel{background:var(--glass-bg-primary);backdrop-filter:blur(var(--blur-lg));-webkit-backdrop-filter:blur(var(--blur-lg));border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--glass-shadow)}.glass-panel-secondary{background:var(--glass-bg-secondary);backdrop-filter:blur(var(--blur-md));-webkit-backdrop-filter:blur(var(--blur-md));border:1px solid var(--glass-border);border-radius:var(--radius-lg)}.glass-panel-tertiary{background:var(--glass-bg-tertiary);backdrop-filter:blur(var(--blur-base));-webkit-backdrop-filter:blur(var(--blur-base));border:1px solid var(--glass-border);border-radius:var(--radius-base)}.glow-primary{box-shadow:var(--shadow-glow-primary)}.glow-accent{box-shadow:var(--shadow-glow-accent)}.glow-success{box-shadow:var(--shadow-glow-success)}.gradient-text{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.shimmer{background:linear-gradient(90deg,var(--color-gray-800) 0%,var(--color-gray-700) 20%,var(--color-gray-800) 40%,var(--color-gray-800) 100%);background-size:1000px 100%;animation:shimmer 2s infinite linear}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-gray-900);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb{background:var(--color-gray-600);border-radius:var(--radius-full);transition:background var(--transition-fast)}::-webkit-scrollbar-thumb:hover{background:var(--color-gray-500)}*:focus{outline:none}*:focus-visible{outline:2px solid var(--color-accent-500);outline-offset:2px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-2);padding:var(--spacing-3) var(--spacing-6);font-family:var(--font-family-base);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);line-height:var(--line-height-tight);border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);white-space:nowrap;-webkit-user-select:none;user-select:none}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-base)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md),var(--shadow-glow-primary)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-accent{background:var(--gradient-accent);color:var(--color-gray-950);box-shadow:var(--shadow-base);font-weight:var(--font-weight-semibold)}.btn-accent:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md),var(--shadow-glow-accent)}.btn-ghost{background:transparent;color:var(--color-gray-300);border:1px solid var(--glass-border)}.btn-ghost:hover:not(:disabled){background:var(--glass-bg-tertiary);border-color:var(--glass-border-hover);color:#fff}.btn-icon{padding:var(--spacing-3);aspect-ratio:1;border-radius:var(--radius-base)}.btn-sm{padding:var(--spacing-2) var(--spacing-4);font-size:var(--font-size-sm)}.btn-lg{padding:var(--spacing-4) var(--spacing-8);font-size:var(--font-size-lg)}.input{width:100%;padding:var(--spacing-3) var(--spacing-4);font-family:var(--font-family-base);font-size:var(--font-size-base);color:#fff;background:var(--glass-bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-base);transition:all var(--transition-base)}.input:hover{border-color:var(--glass-border-hover)}.input:focus{border-color:var(--color-primary-500);box-shadow:0 0 0 3px #4c7cd11a}.input::placeholder{color:var(--color-gray-500)}.slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:4px;background:var(--color-gray-700);border-radius:var(--radius-full);outline:none;transition:all var(--transition-base)}.slider:hover{background:var(--color-gray-600)}.slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;background:var(--gradient-accent);border:2px solid white;border-radius:var(--radius-full);cursor:pointer;box-shadow:var(--shadow-base);transition:all var(--transition-base)}.slider::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:var(--shadow-md),var(--shadow-glow-accent)}.slider::-webkit-slider-thumb:active{transform:scale(1.1)}.slider::-moz-range-thumb{width:16px;height:16px;background:var(--gradient-accent);border:2px solid white;border-radius:var(--radius-full);cursor:pointer;box-shadow:var(--shadow-base);transition:all var(--transition-base)}.slider::-moz-range-thumb:hover{transform:scale(1.2);box-shadow:var(--shadow-md),var(--shadow-glow-accent)}.slider-vertical{-webkit-appearance:slider-vertical;writing-mode:bt-lr;width:4px;height:200px}.toggle{position:relative;display:inline-block;width:48px;height:24px}.toggle input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--color-gray-700);border-radius:var(--radius-full);transition:all var(--transition-base);cursor:pointer}.toggle-slider:before{content:"";position:absolute;height:18px;width:18px;left:3px;bottom:3px;background:#fff;border-radius:var(--radius-full);transition:all var(--transition-base)}.toggle input:checked+.toggle-slider{background:var(--gradient-accent)}.toggle input:checked+.toggle-slider:before{transform:translate(24px)}.toggle input:focus-visible+.toggle-slider{box-shadow:0 0 0 3px #00f5ff33}.card{background:var(--glass-bg-primary);-webkit-backdrop-filter:blur(var(--blur-lg));backdrop-filter:blur(var(--blur-lg));border:1px solid var(--glass-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-base);transition:all var(--transition-base);overflow:hidden}.card:hover{border-color:var(--glass-border-hover);box-shadow:var(--shadow-lg);transform:translateY(-2px)}.card-header{padding:var(--spacing-6);border-bottom:1px solid var(--glass-border)}.card-body{padding:var(--spacing-6)}.card-footer{padding:var(--spacing-6);border-top:1px solid var(--glass-border);background:var(--glass-bg-secondary)}.badge{display:inline-flex;align-items:center;gap:var(--spacing-1);padding:var(--spacing-1) var(--spacing-3);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em}.badge-primary{background:#4c7cd133;color:var(--color-primary-300);border:1px solid var(--color-primary-600)}.badge-accent{background:#00f5ff33;color:var(--color-accent-300);border:1px solid var(--color-accent-500)}.badge-success{background:#48bb7833;color:var(--color-success-400);border:1px solid var(--color-success-500)}.badge-warning{background:#ed893633;color:var(--color-warning-400);border:1px solid var(--color-warning-500)}.progress{position:relative;width:100%;height:8px;background:var(--color-gray-800);border-radius:var(--radius-full);overflow:hidden}.progress-bar{height:100%;background:var(--gradient-accent);border-radius:var(--radius-full);transition:width var(--transition-base);box-shadow:var(--shadow-glow-accent)}.progress-bar-animated{background:linear-gradient(90deg,var(--color-accent-500) 0%,var(--color-primary-500) 50%,var(--color-accent-500) 100%);background-size:200% 100%;animation:shimmer 2s infinite linear}.tooltip{position:relative}.tooltip:before{content:attr(data-tooltip);position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%) scale(.9);padding:var(--spacing-2) var(--spacing-3);font-size:var(--font-size-sm);color:#fff;background:var(--color-gray-900);border:1px solid var(--glass-border);border-radius:var(--radius-base);white-space:nowrap;opacity:0;pointer-events:none;transition:all var(--transition-fast);z-index:var(--z-tooltip)}.tooltip:after{content:"";position:absolute;bottom:calc(100% + 2px);left:50%;transform:translate(-50%);border:6px solid transparent;border-top-color:var(--color-gray-900);opacity:0;pointer-events:none;transition:opacity var(--transition-fast);z-index:var(--z-tooltip)}.tooltip:hover:before,.tooltip:hover:after{opacity:1;transform:translate(-50%) scale(1)}.spinner{display:inline-block;width:24px;height:24px;border:3px solid var(--color-gray-700);border-top-color:var(--color-accent-500);border-radius:var(--radius-full);animation:var(--animation-spin)}.spinner-lg{width:48px;height:48px;border-width:4px}@keyframes ripple{to{transform:scale(4);opacity:0}}.ripple{position:relative;overflow:hidden}.ripple:after{content:"";position:absolute;top:50%;left:50%;width:20px;height:20px;background:#ffffff80;border-radius:var(--radius-full);transform:translate(-50%,-50%) scale(0);pointer-events:none}.ripple:active:after{animation:ripple .6s ease-out}.skeleton{background:var(--color-gray-800);border-radius:var(--radius-base);animation:var(--animation-pulse)}.skeleton-text{height:1em;margin-bottom:var(--spacing-2)}.skeleton-circle{border-radius:var(--radius-full);aspect-ratio:1}.divider{height:1px;background:var(--glass-border);margin:var(--spacing-4) 0}.divider-vertical{width:1px;height:100%;background:var(--glass-border);margin:0 var(--spacing-4)}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:var(--font-family-base);font-size:var(--font-size-base);font-weight:var(--font-weight-normal);line-height:var(--line-height-normal);color:var(--color-gray-100);background:var(--color-gray-950);background-image:var(--gradient-mesh);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);color:#fff}h1{font-size:var(--font-size-4xl)}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-2xl)}h4{font-size:var(--font-size-xl)}h5{font-size:var(--font-size-lg)}h6{font-size:var(--font-size-base)}p{margin-bottom:var(--spacing-4)}a{color:var(--color-accent-500);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-400)}::selection{background:var(--color-accent-500);color:var(--color-gray-950)}::-moz-selection{background:var(--color-accent-500);color:var(--color-gray-950)}