*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#000;cursor:crosshair}#canvas{display:block;width:100%;height:100%}#ui{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:10}#title{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center}#title span{font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:72px;font-weight:100;letter-spacing:.5em;text-indent:.5em;text-transform:lowercase;color:#fffc;animation:fadeTitle 4.5s ease-in-out forwards}@keyframes fadeTitle{0%{opacity:0;transform:scale(.95)}15%{opacity:.85;transform:scale(1)}65%{opacity:.85}to{opacity:0}}#mode-label{position:absolute;top:32px;left:50%;transform:translate(-50%);font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:13px;font-weight:300;letter-spacing:.35em;text-indent:.35em;text-transform:uppercase;color:#fff9;opacity:0;transition:opacity .6s ease}#sound-toggle{position:absolute;top:20px;right:20px;pointer-events:auto;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#ffffff59;transition:color .3s,background .3s,border-color .3s;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}#sound-toggle:hover{color:#fff9;background:#ffffff14}#sound-toggle.active{color:#fffc;border-color:#fff3}#controls{position:absolute;bottom:24px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:auto}#color-picker{display:flex;gap:6px;align-items:center}.swatch{background:none;border:none;padding:0;cursor:pointer;display:flex;align-items:center;justify-content:center}.swatch-dot{width:18px;height:18px;border-radius:50%;border:2px solid rgba(255,255,255,.12);transition:border-color .3s,transform .2s,box-shadow .3s;display:flex;align-items:center;justify-content:center}.swatch:hover .swatch-dot{border-color:#fff6;transform:scale(1.15)}.swatch.active .swatch-dot{border-color:#ffffffb3;box-shadow:0 0 8px #ffffff26}.auto-dot{background:conic-gradient(from 0deg,#f66,#ff0,#0f0,#0ff,#00f,#f0f,#f66)}.custom-dot{background:#ffffff14;color:#fff6;font-size:12px;font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-weight:300;line-height:1}.swatch.active .custom-dot{color:#fffc}#custom-color{position:absolute;width:0;height:0;opacity:0;pointer-events:none}#mode-buttons{display:flex;gap:3px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08);border-radius:24px;padding:4px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.mode-btn{background:none;border:none;color:#fff6;font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:11px;font-weight:400;letter-spacing:.12em;text-transform:lowercase;padding:7px 16px;border-radius:20px;cursor:pointer;transition:color .3s,background .3s;white-space:nowrap}.mode-btn:hover{color:#ffffffa6}.mode-btn.active{color:#fffffff2;background:#ffffff1a}#mode-desc{font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:11px;font-weight:300;font-style:italic;letter-spacing:.08em;color:#ffffff59;transition:opacity .4s;min-height:1.2em;text-align:center}#hint{font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:10px;font-weight:300;letter-spacing:.1em;color:#ffffff47;white-space:nowrap;transition:opacity 3s ease}@media(max-width:768px){#title span{font-size:40px}.mode-btn{font-size:10px;padding:6px 10px;letter-spacing:.08em}#mode-desc,#hint{font-size:10px}.swatch-dot{width:16px;height:16px}#color-picker{gap:5px}#sound-toggle{width:36px;height:36px}}