:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}*{box-sizing:border-box;margin:0;padding:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#f5f5f5;background:linear-gradient(135deg,#0a0a0a 0%,#1a1a1a 50%,#0d0d0d 100%);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}.app{max-width:1400px;margin:0 auto;padding:20px}.header{background:#0000004d;border-bottom:1px solid #ffffff1a;justify-content:space-between;align-items:center;margin-bottom:20px;padding:16px 20px;display:flex}.header-left,.header-right{width:40px}.nav-button{color:#ecf0f1;cursor:pointer;background:#ffffff1a;border:1px solid #fff3;border-radius:4px;justify-content:center;align-items:center;width:32px;height:32px;font-size:1.2rem;transition:background .2s;display:flex}.nav-button:hover{background:#fff3}.nav-tabs{flex:1;justify-content:center;gap:8px;display:flex;overflow-x:auto}.nav-tab{color:#888;cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:4px;padding:8px 16px;font-size:.85rem;transition:all .2s}.nav-tab:hover{color:#ecf0f1;background:#ffffff0d}.nav-tab.active{color:#d4af37;background:#d4af3726;font-weight:600}.main-content{flex-direction:column;gap:16px;display:flex}.controls-section{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;margin-bottom:16px;padding:16px}.eq-container{background:#0000004d;border:1px solid #ffffff1a;border-radius:8px;min-height:300px;padding:16px;position:relative;overflow:hidden}.presets-section{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:12px;padding:16px}.file-upload{margin-bottom:12px}.upload-button{color:#fff;cursor:pointer;text-align:center;background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);border:none;border-radius:6px;width:100%;padding:10px 16px;font-size:.9rem;font-weight:600;transition:transform .2s,box-shadow .2s;display:block}.upload-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #d4af374d}.upload-button:active{transform:translateY(0)}#audio-file{display:none}.playback-controls{flex-direction:column;gap:12px;display:flex}.time-display{color:#888;justify-content:space-between;font-family:Courier New,monospace;font-size:.9rem;display:flex}.seek-bar{appearance:none;background:#ffffff1a;border-radius:3px;outline:none;width:100%;height:6px}.seek-bar::-webkit-slider-thumb{appearance:none;cursor:pointer;background:#d4af37;border-radius:50%;width:16px;height:16px;transition:transform .2s}.seek-bar::-webkit-slider-thumb:hover{transform:scale(1.2)}.playback-buttons{gap:12px;display:flex}.playback-buttons button{color:#fff;cursor:pointer;background:#ffffff1a;border:1px solid #fff3;border-radius:8px;flex:1;padding:12px;font-size:1rem;transition:all .2s}.playback-buttons button:hover:not(:disabled){background:#fff3;transform:translateY(-2px)}.playback-buttons button:disabled{opacity:.5;cursor:not-allowed}.volume-control{align-items:center;gap:12px;display:flex}.volume-control label{color:#888;min-width:60px;font-size:.9rem}.volume-control input{appearance:none;background:#ffffff1a;border-radius:3px;outline:none;flex:1;height:6px}.volume-control input::-webkit-slider-thumb{appearance:none;cursor:pointer;background:#d4af37;border-radius:50%;width:16px;height:16px;transition:transform .2s}.volume-control input::-webkit-slider-thumb:hover{transform:scale(1.2)}.volume-control span{text-align:right;color:#888;min-width:45px;font-size:.9rem}.visualizer-toggle{color:#888;align-items:center;gap:8px;font-size:.85rem;display:flex}.visualizer-toggle label{cursor:pointer;align-items:center;gap:6px;display:flex}.visualizer-toggle input[type=checkbox]{cursor:pointer}.visualizer-container{background:#0000004d;border:1px solid #ffffff1a;border-radius:8px;margin-top:12px;padding:8px}.visualizer-canvas{width:100%;height:150px;display:block}.eq-grid-overlay{pointer-events:none;z-index:0;background-image:linear-gradient(#ffffff0d 1px,#0000 1px),linear-gradient(90deg,#ffffff0d 1px,#0000 1px);background-size:30px 30px;position:absolute;inset:0}.eq-scale{color:#d4af37;z-index:1;flex-direction:column;gap:50px;font-size:.7rem;font-weight:500;display:flex;position:absolute;top:50%;left:16px;transform:translateY(-50%)}.eq-bands{z-index:1;align-items:flex-end;gap:8px;height:240px;padding-left:60px;padding-right:16px;display:flex;position:relative}.band{flex-direction:column;flex:1;align-items:center;gap:4px;min-width:40px;display:flex}.band label{color:#d4af37;text-align:center;font-size:.65rem;font-weight:500}.slider-container{justify-content:center;align-items:center;width:100%;height:200px;display:flex;position:relative}.slider-bar{pointer-events:none;z-index:0;background:#d4af37;border-radius:2px;width:4px;margin-left:-2px;transition:height .1s ease-out;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.eq-slider{appearance:none;opacity:.6;writing-mode:vertical-lr;direction:rtl;background:#ffffff1a;border-radius:2px;outline:none;width:4px;height:200px;position:absolute;top:0;left:50%;transform:translate(-50%)}.slider-container:hover .eq-slider{opacity:1}.eq-slider::-webkit-slider-thumb{appearance:none;cursor:pointer;background:#666;border-radius:50%;width:12px;height:12px;margin-top:-4px;margin-left:-4px;transition:transform .2s}.eq-slider::-webkit-slider-thumb:hover{background:#888;transform:scale(1.2)}.frequency-categories{color:#d4af37;z-index:1;border-top:1px solid #ffffff1a;justify-content:space-between;margin-top:8px;padding:8px 60px;font-size:.7rem;display:flex;position:relative}.eq-actions{z-index:1;gap:12px;margin-top:16px;display:flex;position:relative}.processing-controls{z-index:1;border-top:1px solid #ffffff1a;margin-top:20px;padding-top:16px;position:relative}.processing-controls h3{color:#d4af37;margin-bottom:12px;font-size:.9rem}.control-group{margin-bottom:16px}.control-group label{color:#888;cursor:pointer;align-items:center;gap:8px;margin-bottom:8px;font-size:.85rem;display:flex}.control-group input[type=checkbox]{cursor:pointer}.slider-group{background:#ffffff08;border:1px solid #ffffff0d;border-radius:6px;margin-left:20px;padding:12px}.slider-group label{color:#aaa;margin-top:8px;margin-bottom:4px;font-size:.75rem;display:block}.slider-group input[type=range]{appearance:none;background:#ffffff1a;border-radius:2px;outline:none;width:100%;height:4px}.slider-group input[type=range]::-webkit-slider-thumb{appearance:none;cursor:pointer;background:#d4af37;border-radius:50%;width:12px;height:12px;transition:transform .2s}.slider-group input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.reset-button,.save-button{color:#fff;cursor:pointer;background:#ffffff1a;border:1px solid #fff3;border-radius:8px;flex:1;padding:12px 20px;font-size:.95rem;font-weight:500;transition:all .2s}.reset-button:hover,.save-button:hover{background:#fff3;transform:translateY(-2px)}.save-button{background:linear-gradient(135deg,#d4af37 0%,#b8860b 100%);border:none}.save-button:hover{background:linear-gradient(135deg,#b8860b 0%,#d4af37 100%)}.presets-section h3{color:#d4af37;margin-bottom:12px;font-size:1rem}.presets-list{flex-direction:column;gap:8px;display:flex}.preset-item{align-items:center;gap:8px;display:flex}.preset-item button:first-child{color:#fff;cursor:pointer;text-align:left;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:6px;flex:1;padding:8px 12px;font-size:.85rem;transition:all .2s}.preset-item button:first-child:hover{background:#ffffff1a;border-color:#d4af374d}.preset-item button:first-child.active{background:#d4af3733;border-color:#d4af37}.delete-button{color:#e74c3c;cursor:pointer;background:#e74c3c33;border:1px solid #e74c3c4d;border-radius:6px;padding:8px 12px;font-size:1rem;font-weight:700;transition:all .2s}.delete-button:hover{background:#e74c3c4d;border-color:#e74c3c}.settings-actions{gap:12px;margin-top:16px;display:flex}.export-button,.import-button{color:#d4af37;cursor:pointer;text-align:center;background:#d4af3733;border:1px solid #d4af374d;border-radius:6px;flex:1;padding:8px 12px;font-size:.85rem;font-weight:500;transition:all .2s}.export-button:hover,.import-button:hover{background:#d4af374d;border-color:#d4af37}.import-button{display:inline-block}@media (width<=768px){.eq-bands{grid-template-columns:repeat(3,1fr)}.header h1{font-size:2rem}.app{padding:16px}}