@import "https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;500;700&display=swap";*{box-sizing:border-box;margin:0;padding:0}body,html{color:#fff;-webkit-user-select:none;user-select:none;background-color:#050510;background-image:radial-gradient(circle,#111528 0%,#050510 100%);width:100%;height:100%;font-family:Noto Sans SC,sans-serif;overflow:hidden}#main-canvas{z-index:1;width:100%;height:100%;position:absolute;top:0;left:0}#ui-panel{z-index:10;-webkit-backdrop-filter:blur(16px);background:#14192866;border:1px solid #ffffff1a;border-radius:16px;width:320px;padding:24px;transition:all .4s cubic-bezier(.4,0,.2,1);position:absolute;top:20px;left:20px;overflow:hidden;box-shadow:0 8px 32px #00000080,inset 0 0 0 1px #ffffff0d}#ui-panel.collapsed{cursor:pointer;background:#14192833;border-radius:30px;width:60px;height:60px;padding:0}#ui-panel.collapsed:hover{background:#4facfe33}#ui-panel.collapsed #ui-content{opacity:0;pointer-events:none;transition:opacity .2s}#ui-content{opacity:1;transition:opacity .4s .2s}#toggle-ui{color:#4facfe;cursor:pointer;z-index:11;background:0 0;border:none;padding:4px;transition:transform .3s;position:absolute;top:20px;right:20px}#ui-panel.collapsed #toggle-ui{top:50%;left:50%;right:auto;transform:translate(-50%,-50%)rotate(-90deg)}#toggle-ui:hover{color:#00f2fe}#ui-panel:hover{background:#14192899;border:1px solid #fff3}h2{letter-spacing:2px;background:linear-gradient(90deg,#00f2fe 0%,#4facfe 100%);-webkit-text-fill-color:transparent;text-shadow:0 0 20px #4facfe4d;-webkit-background-clip:text;margin-bottom:24px;font-size:22px;font-weight:700}.control-group{margin-bottom:18px}label{color:#a0a5b5;margin-bottom:10px;font-size:14px;display:block}input[type=range]{accent-color:#4facfe;cursor:pointer;width:100%}select{color:#fff;cursor:pointer;background:#00000080;border:1px solid #fff3;border-radius:8px;outline:none;width:100%;padding:10px 12px;font-family:inherit;transition:all .2s}select:focus,select:hover{border-color:#4facfe;box-shadow:0 0 10px #4facfe33}.instructions{color:#8a90a5;background:#0000004d;border-left:3px solid #4facfe;border-radius:8px;margin-top:24px;padding:16px;font-size:13px;line-height:1.8}.instructions p{margin-bottom:6px}.instructions p:last-child{margin-bottom:0}#status-display{color:#00f2fe;text-shadow:0 0 10px #00f2fe80;font-size:15px;font-weight:500}.fullscreen-overlay{-webkit-backdrop-filter:blur(8px);z-index:100;background:#050510f2;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity .5s;display:flex;position:absolute;top:0;left:0}.spinner{border:3px solid #4facfe;border-color:#4facfe #00f2fe #4facfe1a #4facfe1a;border-radius:50%;width:60px;height:60px;margin-bottom:24px;animation:1s ease-in-out infinite spin;box-shadow:0 0 20px #4facfe33}@keyframes spin{to{transform:rotate(360deg)}}#start-btn{letter-spacing:1px;font-family:Noto Sans SC,sans-serif;font-size:16px;font-weight:700;transition:all .3s;box-shadow:0 4px 15px #4facfe66}#start-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #4facfe99}