:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:#ffffffde;background-color:#0f111a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh;overflow:hidden;position:relative}.fullscreen-layer{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0f111a}.fullscreen-layer.hidden{display:none!important}#app{position:fixed;top:0;left:0;width:100vw;height:100vh}#renderCanvas{width:100%;height:100%;touch-action:none;outline:none}#ui-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;display:flex;justify-content:center;align-items:center;z-index:10}#loading-screen{background:radial-gradient(circle at center,#1a1c2c,#0f111a);width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;pointer-events:all;transition:opacity .8s ease-in-out}#loading-screen.fade-out{opacity:0;pointer-events:none}.loader{width:60px;height:60px;border:4px solid rgba(255,255,255,.1);border-top:4px solid #646cff;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:2rem;box-shadow:0 0 20px #646cff33}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}h1{font-size:2.5rem;margin:0;background:linear-gradient(to right,#fff,#646cff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px}p{color:#888;font-size:1rem;margin-top:.5rem}#controls{position:absolute;top:2rem;left:2rem;background:#0f111ae6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:1.5rem;border-radius:16px;border:1px solid rgba(255,255,255,.1);pointer-events:all;display:flex;flex-direction:column;gap:1.2rem;width:260px;box-shadow:0 12px 40px #00000080;transition:opacity .5s ease}#controls.hidden{opacity:0;pointer-events:none}#controls h3{margin:0;font-size:.9rem;color:#646cff;text-transform:uppercase;letter-spacing:1.5px;border-bottom:1px solid rgba(100,108,255,.3);padding-bottom:.5rem}.control-group{display:flex;flex-direction:column;gap:.5rem}.control-group p{margin:0;font-size:.75rem;color:#aaa;text-transform:uppercase;font-weight:700}#controls button{background:#ffffff08;border:1px solid rgba(255,255,255,.08);color:#e0e0e0;padding:.5rem .8rem;border-radius:8px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);text-align:left;font-size:.85rem}#controls button:hover{background:#646cff26;border-color:#646cff80;color:#fff;box-shadow:0 0 15px #646cff1a}#controls button:active{transform:translateY(1px);background:#646cff40}.vr-ui{position:absolute;bottom:2rem;right:2rem;pointer-events:all}#main-menu{display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at top,#1a1c2c,#0f111a)}.menu-content{text-align:center;max-width:800px;padding:2rem}.menu-content h1{font-size:3rem;margin-bottom:.5rem}.menu-content p{font-size:1.2rem;margin-bottom:3rem}.scenarios-grid{display:flex;gap:2rem;justify-content:center;flex-wrap:wrap}.scenario-card{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:2rem;width:250px;cursor:pointer;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;text-align:center}.scenario-card:hover:not(.disabled){transform:translateY(-10px);background:#646cff1a;border-color:#646cff80;box-shadow:0 10px 30px #646cff33}.scenario-card .card-icon{font-size:4rem;margin-bottom:1rem}.scenario-card h3{margin:0 0 1rem;color:#fff}.scenario-card p{font-size:.9rem;margin:0}.scenario-card.disabled{opacity:.5;cursor:not-allowed;filter:grayscale(100%)}#app.hidden{display:none}.btn-back{position:absolute;top:2rem;right:2rem;z-index:20;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;padding:.8rem 1.5rem;border-radius:8px;cursor:pointer;font-weight:700;transition:all .2s ease}.btn-back:hover{background:#fff3;transform:translate(-2px)}#login-screen{display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at center,#1a1c2c,#0f111a);z-index:200}.login-box{background:#0f111af2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:3rem;border-radius:24px;border:1px solid rgba(255,255,255,.1);box-shadow:0 20px 50px #00000080;width:100%;max-width:400px;display:flex;flex-direction:column;gap:1.5rem;text-align:center}.login-header .login-icon{font-size:3rem;margin-bottom:1rem}.login-header h1{font-size:2rem;margin-bottom:.5rem}.input-group{display:flex;flex-direction:column;gap:.5rem;text-align:left}.input-group label{font-size:.85rem;color:#aaa;text-transform:uppercase;font-weight:700;letter-spacing:1px}.input-group input{background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:.8rem 1rem;color:#fff;font-size:1rem;outline:none;transition:all .2s ease}.input-group input:focus{border-color:#646cff;background:#646cff1a;box-shadow:0 0 0 4px #646cff33}.btn-primary{background:#646cff;color:#fff;border:none;padding:1rem;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .2s ease;margin-top:1rem}.btn-primary:hover{background:#747bff;transform:translateY(-2px);box-shadow:0 10px 20px #646cff4d}.btn-primary:active{transform:translateY(0)}.error-msg{color:#ff4d4d;font-size:.9rem;margin-top:.5rem}.hidden{display:none!important}