body{margin:0;padding:0;width:100vw;height:100vh;overflow:hidden;background-color:#0a0a0a;display:flex;justify-content:center;align-items:center;font-family:Inter,SF Pro Display,-apple-system,BlinkMacSystemFont,sans-serif}#output_canvas{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:contain}.brand-header{display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:8px 0;margin-bottom:8px}.brand-name{font-size:18px;font-weight:700;margin:0;line-height:1;background:linear-gradient(135deg,#fff,#e0e0e0,#f5f5f5);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:2px;text-transform:uppercase;position:relative}.brand-tagline{font-size:12px;margin:0;color:#fffc;line-height:1;font-weight:500;letter-spacing:.8px;text-transform:lowercase;font-style:italic}@media(max-width:900px){.brand-header{padding:6px 0}.brand-name{font-size:16px}.brand-tagline{display:none}}#track-panel{position:absolute;top:20px;right:20px;background:#121212e6;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:20px;padding:18px;color:#fafafa;z-index:1000;min-width:340px;max-width:420px;box-shadow:0 20px 40px #0006;border:1px solid rgba(255,255,255,.08)}.track-control{display:flex;align-items:center;gap:8px;padding:6px 0;margin-bottom:6px;flex-wrap:nowrap;background:#ffffff08;border-radius:14px;border-left:3px solid rgba(255,255,255,.2);transition:all .2s ease}.track-control:hover{background:#ffffff0d}.track-control.track-a{border-left-color:#fff9}.track-control.track-b{border-left-color:#c8b48c99}.track-control label{font-size:13px;min-width:86px;display:inline-block;margin-bottom:12px;font-weight:500;color:#ffffffe6;letter-spacing:.3px;white-space:nowrap}.track-control.track-a label{color:#fffffff2}.track-control.track-b label{color:#dcc8a0f2}.track-control input[type=file]{font-size:12px;padding:6px 8px;height:32px;flex:1;width:100%;color:#ffffff80}.track-control input[type=file]::file-selector-button{background:#ffffff1a;color:#ffffffe6;border:1px solid rgba(255,255,255,.15);padding:10px 16px;border-radius:10px;cursor:pointer;font-weight:500;font-size:11px;margin-right:10px;transition:all .2s ease}.track-control input[type=file]::file-selector-button:hover{background:#ffffff26;border-color:#ffffff40}.play-all-btn{width:100%;background:linear-gradient(135deg,#ffffff1f,#ffffff0f);color:#fffffff2;border:1px solid rgba(255,255,255,.15);padding:6px 10px;border-radius:6px;cursor:pointer;font-weight:600;font-size:14px;transition:all .2s ease;margin:8px 0;text-transform:uppercase;letter-spacing:2px}.play-all-btn:hover{background:linear-gradient(135deg,#ffffff2e,#ffffff1a);border-color:#ffffff40}.play-all-btn:active{transform:scale(.98)}.play-buttons{display:flex;gap:8px;margin:8px 0}.play-buttons .play-all-btn{flex:1;margin:0}.status-row{display:flex;gap:8px;margin-bottom:6px}.status-display{font-size:12px;padding:6px 8px;border-radius:6px;min-width:120px;box-sizing:border-box;flex:1;color:#ffffffd9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:#ffffff0a;border:1px solid rgba(255,255,255,.08)}.status-display.master{color:#fff;border-color:#ffffff26}.status-display.crossfader{color:#e8d5b5;border-color:#e8d5b533}.status-display.bass{color:#f5c77e;border-color:#f5c77e33}.status-display.treble{color:#a8c5d9;border-color:#a8c5d933}.hints{margin-top:16px;background:#ffffff05;border-radius:12px;border:1px solid rgba(255,255,255,.04);overflow:hidden}.hints-header{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;cursor:pointer;font-size:11px;font-weight:600;color:#ffffffbf;text-transform:uppercase;letter-spacing:1px;transition:all .2s ease}.hints-header:hover{color:#fffffff2;background:#ffffff08}.hints-toggle{font-size:10px;transition:transform .35s cubic-bezier(.34,1.56,.64,1)}.hints.collapsed .hints-toggle{transform:rotate(-90deg)}.hints-content{max-height:380px;padding:0 18px 18px;opacity:1;transform:translateY(0);transition:max-height .35s cubic-bezier(.34,1.56,.64,1),opacity .25s ease,padding .35s cubic-bezier(.34,1.56,.64,1),transform .35s cubic-bezier(.34,1.56,.64,1);overflow:auto}.hints.collapsed .hints-content{max-height:0;padding-top:0;padding-bottom:0;opacity:0;transform:translateY(-8px);overflow:hidden}.hint-section{display:flex;align-items:flex-start;gap:10px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.03)}.hint-section:last-child{border-bottom:none;padding-bottom:0}.hint-icon{font-size:16px;line-height:1;opacity:.8}.hint-content{flex:1}.hint-content strong{display:block;color:#ffffffe6;margin-bottom:2px;font-size:11px;font-weight:600}.hint-content p{margin:2px 0;font-size:12px;color:#ffffffbf}