*{margin:0;padding:0;box-sizing:border-box}:root{--bg-color: #454560;--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%)}body.light-mode{--bg-color: #f0f0f5;--text-primary: #1a1a2e;--text-secondary: rgba(0, 0, 0, .6);--glass-bg: rgba(0, 0, 0, .05);--glass-border: rgba(0, 0, 0, .1)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-color);color:var(--text-primary);overflow:hidden;width:100vw;height:100vh;transition:background-color .5s ease,color .5s ease}.theme-switch-wrapper{position:fixed;top:20px;right:20px;z-index:100;display:flex;align-items:center}.theme-switch{display:inline-block;height:34px;position:relative;width:60px}.theme-switch input{display:none}.slider{background-color:#ffffff1a;border:1px solid rgba(255,255,255,.2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:pointer;inset:0;position:absolute;transition:.4s;border-radius:34px}.slider:before{background-color:#fff;bottom:4px;content:"";height:24px;left:4px;position:absolute;transition:.4s;width:24px;border-radius:50%;z-index:2}input:checked+.slider{background-color:#0009;border-color:#ffffff1a}input:checked+.slider:before{transform:translate(26px);background-color:#333}.sun-icon{position:absolute;left:10%;top:50%;transform:translateY(-35%);width:24px;height:24px;fill:#f1c40f;z-index:1;opacity:0;transition:opacity .3s ease;display:block;pointer-events:none}.moon-icon{position:absolute;right:5%;top:50%;transform:translateY(-30%);width:24px;height:24px;fill:#f1c40f;z-index:1;opacity:1;transition:opacity .3s ease;display:block;pointer-events:none}input:checked+.slider .sun-icon{opacity:1}input:checked+.slider .moon-icon{opacity:0}.slider:hover{box-shadow:0 0 10px #fff3}#canvas-container{position:fixed;top:0;left:0;width:100%;height:100%;z-index:1}#canvas-container canvas{display:block;width:100%;height:100%}#loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#454560,#2b2b40);display:flex;align-items:center;justify-content:center;z-index:1000;transition:opacity .5s ease,visibility .5s ease}#loading-screen.hidden{opacity:0;visibility:hidden}.loader-container{text-align:center}.loader{width:60px;height:60px;border:4px solid rgba(255,255,255,.1);border-top:4px solid #667eea;border-radius:50%;margin:0 auto 24px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-text{font-size:18px;font-weight:500;color:var(--text-primary);margin-bottom:16px;letter-spacing:.5px}.progress-bar{width:200px;height:4px;background:#ffffff1a;border-radius:2px;margin:0 auto 12px;overflow:hidden}.progress-fill{height:100%;background:var(--primary-gradient);width:0%;transition:width .3s ease;border-radius:2px}.progress-percentage{font-size:14px;color:var(--text-secondary);font-weight:400}.info-overlay{position:fixed;top:40px;left:50%;transform:translate(-50%);z-index:10;text-align:center;pointer-events:none;animation:fadeInDown 1s ease}@keyframes fadeInDown{0%{opacity:0;transform:translate(-50%) translateY(-20px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.title{font-size:48px;font-weight:700;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px;letter-spacing:-1px}.subtitle{font-size:18px;font-weight:400;color:var(--text-secondary);margin-bottom:32px;letter-spacing:.5px}.controls-hint{background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:12px;padding:12px 24px;display:inline-block;box-shadow:0 8px 32px #0000004d}.controls-hint p{font-size:14px;color:var(--text-secondary);font-weight:400}@media(max-width:768px){.title{font-size:36px}.subtitle{font-size:16px}.controls-hint p{font-size:12px}.info-overlay{top:20px}}@media(max-width:480px){.title{font-size:28px}.subtitle{font-size:14px}.controls-hint{padding:10px 16px}}