:root{--color-bg: #0a0a0a;--color-text: #ffffff;--color-primary: #3b82f6;--color-overlay: rgba(255, 255, 255, .1);--color-overlay-hover: rgba(255, 255, 255, .2);--font-family: "Inter", system-ui, -apple-system, sans-serif;--transition-speed: .3s}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--color-bg);color:var(--color-text);overflow:hidden;width:100vw;height:100vh}#app{width:100%;height:100%;position:relative}canvas{display:block;outline:none}.ui-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;display:flex;flex-direction:column;justify-content:flex-start;align-items:flex-start;padding:1.5rem;z-index:10}.controls-panel{pointer-events:auto;background:#0a0a0abf;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:1rem;width:100%;max-width:280px;margin:0;box-shadow:0 4px 24px #0006;transform:translateY(0);transition:transform var(--transition-speed) ease,opacity var(--transition-speed) ease}.controls-header{margin-bottom:.75rem}.controls-header h1{font-size:1rem;font-weight:600;letter-spacing:-.02em;color:#fff;margin-bottom:.2rem}.controls-header p{font-size:.75rem;color:#fffc}select{width:100%;appearance:none;background-color:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;padding:.75rem 1rem;border-radius:8px;font-family:var(--font-family);font-size:.95rem;cursor:pointer;transition:all .2s ease;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;background-size:1em}select:hover{background-color:#ffffff26;border-color:#ffffff4d}select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 2px #3b82f64d}option{background-color:#1a1a1a;color:#fff;padding:10px}#loader{position:absolute;top:0;left:0;width:100%;height:100%;background:var(--color-bg);display:flex;align-items:center;justify-content:center;z-index:100;transition:opacity .5s ease}.loader-spinner{width:48px;height:48px;border:3px solid rgba(255,255,255,.1);border-radius:50%;border-top-color:var(--color-primary);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.hidden{opacity:0;pointer-events:none}