.audio-visualizer-app{min-height:100vh;display:flex;flex-direction:column;position:relative}.background-animation{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;overflow:hidden}.floating-particle{position:absolute;width:4px;height:4px;border-radius:50%;filter:blur(1px)}.app-header{position:fixed;top:0;left:0;right:0;z-index:100;background:#00000080;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.1);padding:1rem 2rem}.header-content{max-width:1800px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:1rem}.logo-icon{width:40px;height:40px;color:#ec4899;filter:drop-shadow(0 0 10px rgba(236,72,153,.5))}.app-header h1{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,#ec4899,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.app-header p{color:#ffffff80;font-size:.875rem;letter-spacing:2px}.header-controls{display:flex;gap:.5rem}.control-btn{width:40px;height:40px;border:none;border-radius:10px;background:#ffffff1a;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease}.control-btn:hover{background:#fff3}.main-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6rem 2rem 4rem;z-index:10}.visualizer-container{position:relative;width:100%;max-width:1400px;aspect-ratio:16 / 9;background:#00000080;border:2px solid rgba(236,72,153,.3);border-radius:20px;overflow:hidden;box-shadow:0 0 50px #ec489933}.visualizer-canvas{width:100%;height:100%;display:block}.play-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;background:#000000b3;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.play-btn-large{width:120px;height:120px;border-radius:50%;border:none;background:linear-gradient(135deg,#ec4899,#8b5cf6);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 0 40px #ec489980;transition:all .3s ease}.play-btn-large:hover{box-shadow:0 0 60px #ec4899b3}.visualizer-info{position:absolute;bottom:2rem;left:2rem;background:#000000b3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1.5rem;border-radius:12px;border:1px solid rgba(255,255,255,.1)}.visualizer-info h3{font-size:1.25rem;font-weight:600;margin-bottom:.5rem;background:linear-gradient(135deg,#ec4899,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.visualizer-info p{color:#ffffffb3;font-size:.875rem}.controls-bar{display:flex;align-items:center;gap:2rem;margin-top:2rem;padding:1.5rem 2rem;background:#00000080;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:16px}.play-btn{width:56px;height:56px;border-radius:50%;border:none;background:linear-gradient(135deg,#ec4899,#8b5cf6);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 20px #ec489966;transition:all .3s ease}.play-btn:hover{box-shadow:0 6px 30px #ec489999}.vis-selector{display:flex;gap:.5rem}.vis-btn{width:48px;height:48px;border:2px solid rgba(255,255,255,.1);border-radius:10px;background:#ffffff0d;color:#ffffffb3;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;font-size:1.5rem}.vis-btn:hover{background:#ffffff1a;border-color:#ffffff4d}.vis-btn.active{background:linear-gradient(135deg,#ec4899,#8b5cf6);border-color:transparent;color:#fff}.volume-control{display:flex;align-items:center;gap:.75rem}.volume-slider{width:150px;height:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#ffffff1a;border-radius:3px;outline:none}.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,#ec4899,#8b5cf6);cursor:pointer;box-shadow:0 2px 10px #ec489980}.volume-slider::-webkit-slider-runnable-track{background:linear-gradient(90deg,#ec4899,#8b5cf6);border-radius:3px}.settings-panel{position:fixed;right:0;top:0;width:400px;height:100%;background:#000000f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-left:1px solid rgba(255,255,255,.1);z-index:200;padding:2rem;overflow-y:auto}.settings-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid rgba(255,255,255,.1)}.settings-header h3{font-size:1.5rem;font-weight:600}.close-btn{width:36px;height:36px;border:none;border-radius:50%;background:#ffffff1a;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.25rem;transition:all .3s ease}.close-btn:hover{background:#fff3}.settings-section{margin-bottom:2rem}.settings-section h4{font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:#ffffffb3;margin-bottom:1rem}.color-schemes{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}.color-scheme-btn{padding:1rem;border:2px solid rgba(255,255,255,.1);border-radius:12px;background:#ffffff0d;cursor:pointer;transition:all .3s ease;text-align:center}.color-scheme-btn:hover{border-color:#ffffff4d}.color-scheme-btn.active{border-color:#ec4899;background:#ec48991a}.scheme-preview{display:flex;gap:4px;margin-bottom:.5rem;justify-content:center}.scheme-preview span{width:12px;height:12px;border-radius:2px}.color-scheme-btn span:last-child{font-size:.75rem;color:#ffffffb3;text-transform:capitalize}.sensitivity-slider{width:100%;height:8px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#ffffff1a;border-radius:4px;outline:none;margin-bottom:.5rem}.sensitivity-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,#ec4899,#8b5cf6);cursor:pointer;box-shadow:0 2px 10px #ec489980}.sensitivity-slider::-webkit-slider-runnable-track{background:linear-gradient(90deg,#ec4899,#8b5cf6);border-radius:4px}.settings-section p{color:#ffffffb3;font-size:.875rem;text-align:center}.upload-btn{display:flex;align-items:center;justify-content:center;gap:.75rem;width:100%;padding:1rem;border:2px dashed rgba(255,255,255,.3);border-radius:12px;background:#ffffff0d;color:#fff;font-size:.9375rem;cursor:pointer;transition:all .3s ease}.upload-btn:hover{border-color:#ffffff80;background:#ffffff1a}.upload-btn input{display:none}@media (max-width: 768px){.app-header{padding:1rem}.main-content{padding:5rem 1rem 3rem}.visualizer-container{aspect-ratio:4 / 3}.controls-bar{flex-direction:column;gap:1.5rem;width:100%}.volume-slider{width:200px}.settings-panel{width:100%}.color-schemes{grid-template-columns:1fr}.visualizer-info{left:1rem;right:1rem;bottom:1rem}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#000;color:#fff;min-height:100vh;overflow-x:hidden}#root{min-height:100vh}