:root{--bg-core: #04060c;--bg-elevated: rgba(12, 17, 30, .65);--bg-elevated-hover: rgba(22, 30, 52, .8);--bg-glass-border: rgba(255, 255, 255, .08);--bg-glass-glow: rgba(0, 240, 255, .12);--text-primary: #f0f4fc;--text-secondary: #8a99b5;--text-muted: #4e5d78;--neon-cyan: #00f0ff;--neon-cyan-glow: rgba(0, 240, 255, .4);--neon-magenta: #ff007f;--neon-magenta-glow: rgba(255, 0, 127, .4);--neon-amber: #ffaa00;--neon-amber-glow: rgba(255, 170, 0, .4);--neon-purple: #9d4edd;--font-display: "Syne", system-ui, -apple-system, sans-serif;--font-sans: "Outfit", system-ui, -apple-system, sans-serif;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 24px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .4s cubic-bezier(.34, 1.56, .64, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body{width:100%;height:100%;overflow:hidden;background-color:var(--bg-core);color:var(--text-primary);font-family:var(--font-sans);-webkit-user-select:none;user-select:none}#app{position:relative;width:100vw;height:100vh;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between}#webgl-canvas{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;outline:none;cursor:grab}#webgl-canvas:active{cursor:grabbing}.app-header{position:relative;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:1.5rem 2rem;pointer-events:none}.brand{pointer-events:auto}.logo-title{font-family:var(--font-display);font-size:1.6rem;font-weight:800;letter-spacing:.25em;background:linear-gradient(135deg,#ffffff 0%,#b8d0ff 50%,var(--neon-cyan) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 0 30px rgba(0,240,255,.25);margin-bottom:.15rem}.logo-subtitle{font-size:.7rem;font-weight:600;letter-spacing:.3em;color:var(--text-secondary);text-transform:uppercase}.header-actions{display:flex;align-items:center;gap:.75rem;pointer-events:auto}.audio-badges{display:flex;align-items:center}.badge{font-size:.65rem;font-weight:700;letter-spacing:.1em;padding:.25rem .6rem;border-radius:var(--radius-full);text-transform:uppercase;background:#ffffff0d;border:1px solid var(--bg-glass-border);color:var(--text-muted);transition:var(--transition-normal)}.badge.playing{background:#00f0ff1f;border-color:#00f0ff66;color:var(--neon-cyan);box-shadow:0 0 12px #00f0ff40}.badge.demo{background:#ff007f1f;border-color:#ff007f66;color:var(--neon-magenta);box-shadow:0 0 12px #ff007f40}.icon-btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--bg-elevated);border:1px solid var(--bg-glass-border);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);color:var(--text-secondary);padding:.5rem .85rem;border-radius:var(--radius-md);font-family:var(--font-sans);font-size:.8rem;font-weight:500;cursor:pointer;transition:var(--transition-normal)}.icon-btn:hover{color:var(--text-primary);background:var(--bg-elevated-hover);border-color:#fff3;transform:translateY(-1px)}.icon-btn:active{transform:translateY(0)}.spectrum-hud{position:absolute;top:5.5rem;right:2rem;z-index:10;display:flex;flex-direction:column;gap:.5rem;pointer-events:none;background:#080c1666;border:1px solid rgba(255,255,255,.04);padding:.6rem .8rem;border-radius:var(--radius-md);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.spectrum-band{display:flex;align-items:center;gap:.5rem}.band-label{font-size:.6rem;font-weight:700;letter-spacing:.1em;color:var(--text-muted);width:44px}.meter-bar{width:60px;height:4px;background:#ffffff0f;border-radius:var(--radius-full);overflow:hidden}.meter-fill{height:100%;width:0%;border-radius:var(--radius-full);transition:width .05s linear}.bass-fill{background:linear-gradient(90deg,#ff007f,#fa0)}.mid-fill{background:linear-gradient(90deg,#00f0ff,#07f)}.treble-fill{background:linear-gradient(90deg,#9d4edd,#00f0ff)}.dropzone-overlay{position:absolute;top:0;left:0;width:100%;height:100%;z-index:50;display:flex;align-items:center;justify-content:center;background:#04060cd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);opacity:0;pointer-events:none;transition:opacity .25s ease}.dropzone-overlay.active{opacity:1;pointer-events:auto}.dropzone-box{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:3rem 4rem;border:2px dashed var(--neon-cyan);border-radius:var(--radius-lg);color:var(--neon-cyan);background:#00f0ff0a;box-shadow:0 0 40px #00f0ff26;transform:scale(.95);transition:transform .25s var(--transition-bounce)}.dropzone-overlay.active .dropzone-box{transform:scale(1)}.dropzone-box p{font-size:1.1rem;font-weight:500;letter-spacing:.05em}.player-container{position:relative;z-index:10;display:flex;flex-direction:column;align-items:center;gap:.85rem;padding:0 1.5rem 1.75rem;width:100%;max-width:680px;margin:0 auto}.now-playing-panel{width:100%;display:flex;flex-direction:column;gap:.6rem;background:var(--bg-elevated);border:1px solid var(--bg-glass-border);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:.85rem 1.25rem;border-radius:var(--radius-md);box-shadow:0 10px 30px #00000080;transition:var(--transition-normal)}.track-details{display:flex;align-items:center;gap:.75rem;overflow:hidden}.track-indicator-dot{width:8px;height:8px;border-radius:50%;background:var(--text-muted);transition:var(--transition-normal);flex-shrink:0}.track-indicator-dot.active{background:var(--neon-cyan);box-shadow:0 0 10px var(--neon-cyan);animation:pulse-dot 2s infinite ease-in-out}@keyframes pulse-dot{0%,to{opacity:.5;transform:scale(.9)}50%{opacity:1;transform:scale(1.2)}}.track-text{display:flex;flex-direction:column;overflow:hidden}.track-label{font-size:.6rem;font-weight:700;letter-spacing:.15em;color:var(--text-secondary)}.track-name{font-size:.95rem;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.scrubber-wrapper{display:flex;align-items:center;gap:.75rem;width:100%}.time-label{font-size:.7rem;font-weight:500;font-variant-numeric:tabular-nums;color:var(--text-secondary);width:32px}#time-total{text-align:right}.progress-bar-container{position:relative;flex:1;height:6px;background:#ffffff14;border-radius:var(--radius-full);display:flex;align-items:center;cursor:pointer;overflow:hidden}.progress-fill{position:absolute;left:0;top:0;height:100%;width:0%;background:linear-gradient(90deg,#00f0ff,#9d4edd);border-radius:var(--radius-full);pointer-events:none;transition:width .1s linear}.progress-bar-container input[type=range]{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer;margin:0}.controls-dock{display:flex;align-items:center;justify-content:center;gap:.5rem;background:var(--bg-elevated);border:1px solid var(--bg-glass-border);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);padding:.5rem .85rem;border-radius:var(--radius-full);box-shadow:0 12px 35px #0009;flex-wrap:wrap}.dock-divider{width:1px;height:22px;background:#ffffff14;margin:0 .25rem}.ctrl-btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;background:transparent;border:none;color:var(--text-secondary);padding:.55rem .75rem;border-radius:var(--radius-full);font-family:var(--font-sans);font-size:.85rem;font-weight:500;cursor:pointer;transition:var(--transition-normal)}.ctrl-btn:hover:not(:disabled){color:var(--text-primary);background:#ffffff14;transform:scale(1.05)}.ctrl-btn:active:not(:disabled){transform:scale(.97)}.ctrl-btn:disabled{opacity:.35;cursor:not-allowed;transform:none}.play-btn{width:44px;height:44px;padding:0;background:linear-gradient(135deg,var(--neon-cyan),#0077ff);color:#04060c;box-shadow:0 0 20px #00f0ff66}.play-btn:hover:not(:disabled){background:linear-gradient(135deg,#33f3ff,#1a85ff);color:#000;box-shadow:0 0 25px #00f0ff99;transform:scale(1.08)}.speed-btn{font-size:.8rem;font-weight:600;padding:.45rem .8rem;background:#ffffff0a;border:1px solid var(--bg-glass-border)}.speed-prefix{color:var(--text-muted);font-size:.7rem;font-weight:500;text-transform:uppercase}.speed-value{color:var(--neon-cyan);font-weight:700}.upload-btn{background:#00f0ff14;border:1px solid rgba(0,240,255,.2);color:var(--neon-cyan);font-weight:600;padding:.5rem 1rem}.upload-btn:hover{background:#00f0ff29;border-color:#00f0ff80;box-shadow:0 0 15px #00f0ff40}.volume-container{display:flex;align-items:center;gap:.35rem;padding:0 .4rem}.icon-btn-small{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;padding:.2rem;transition:var(--transition-fast)}.icon-btn-small:hover{color:var(--text-primary)}.vol-slider{width:55px;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#ffffff26;border-radius:var(--radius-full);outline:none;cursor:pointer;transition:opacity .2s}.vol-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:10px;height:10px;border-radius:50%;background:var(--neon-cyan);cursor:pointer;box-shadow:0 0 6px var(--neon-cyan)}.playlist-info{display:flex;align-items:center;gap:.5rem;font-size:.75rem;color:var(--text-muted)}.text-link-btn{background:transparent;border:none;color:var(--neon-cyan);font-size:.75rem;font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:2px;transition:var(--transition-fast)}.text-link-btn:hover{color:#fff}.playlist-drawer{position:absolute;bottom:calc(100% + 12px);width:90%;max-width:480px;max-height:240px;background:#0a0f1af2;border:1px solid var(--bg-glass-border);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-radius:var(--radius-md);box-shadow:0 16px 40px #000000b3;display:flex;flex-direction:column;overflow:hidden;z-index:30;transition:var(--transition-normal)}.playlist-header{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem;border-bottom:1px solid rgba(255,255,255,.06)}.playlist-header h3{font-size:.85rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-secondary)}.close-btn{background:transparent;border:none;color:var(--text-muted);font-size:1.2rem;cursor:pointer}.close-btn:hover{color:var(--text-primary)}.playlist-items{list-style:none;overflow-y:auto;padding:.5rem}.playlist-items li{display:flex;align-items:center;justify-content:space-between;padding:.5rem .75rem;border-radius:var(--radius-sm);font-size:.8rem;color:var(--text-secondary);cursor:pointer;transition:var(--transition-fast)}.playlist-items li:hover{background:#ffffff0d;color:var(--text-primary)}.playlist-items li.active{background:#00f0ff1a;color:var(--neon-cyan);font-weight:600}.playlist-items .empty-msg{color:var(--text-muted);text-align:center;padding:1.5rem;cursor:default}.toast{position:fixed;bottom:2rem;left:50%;transform:translate(-50%) translateY(100px);background:#101828f2;border:1px solid var(--neon-cyan);box-shadow:0 10px 30px #00f0ff33;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);color:var(--text-primary);font-size:.85rem;font-weight:500;padding:.65rem 1.4rem;border-radius:var(--radius-full);z-index:100;opacity:0;pointer-events:none;transition:all .3s cubic-bezier(.34,1.56,.64,1)}.toast.show{transform:translate(-50%) translateY(0);opacity:1}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.hidden{display:none!important}@media(max-width:768px){.app-header{padding:1rem 1.25rem}.logo-title{font-size:1.3rem}.btn-text,.spectrum-hud{display:none}.player-container{padding:0 1rem 1.25rem;max-width:100%}.controls-dock{gap:.35rem;padding:.4rem .6rem}.ctrl-btn{padding:.45rem .55rem}.upload-btn{padding:.45rem .75rem;font-size:.75rem}.vol-slider{width:40px}}