html,body{overflow:hidden;width:100%;height:100%;margin:0;padding:0}#renderCanvas{width:100%;height:100%;touch-action:none}.app{width:100%;height:100vh;overflow:hidden}.babylon-canvas{width:100%;height:100%;touch-action:none}#display-fps{position:absolute;top:0;right:0;width:80px;height:35px;text-align:center;line-height:35px;color:#ca7497;font-size:16px}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif}.auth-card{background:#fff;border-radius:16px;box-shadow:0 20px 40px #0000001a;padding:40px;width:100%;max-width:400px;animation:slideUp .6s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.auth-header{text-align:center;margin-bottom:32px}.auth-header h1{color:#1a202c;font-size:28px;font-weight:700;margin:0 0 8px;letter-spacing:-.5px}.auth-header p{color:#718096;font-size:16px;margin:0;font-weight:400}.auth-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{color:#4a5568;font-size:14px;font-weight:600;letter-spacing:.025em}.form-group input{padding:12px 16px;border:2px solid #e2e8f0;border-radius:8px;font-size:16px;transition:all .2s ease;background:#f7fafc}.form-group input:focus{outline:none;border-color:#667eea;background:#fff;box-shadow:0 0 0 3px #667eea1a}.form-group input.error{border-color:#e53e3e;background:#fff5f5}.form-group input.error:focus{border-color:#e53e3e;box-shadow:0 0 0 3px #e53e3e1a}.form-group input:disabled{background:#edf2f7;cursor:not-allowed;opacity:.7}.error-text{color:#e53e3e;font-size:12px;font-weight:500;margin-top:4px}.error-message{padding:12px 16px;border-radius:8px;font-size:14px;font-weight:500;text-align:center}.general-error{background:#fed7d7;color:#c53030;border:1px solid #feb2b2}.auth-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;padding:14px 24px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s ease;margin-top:8px}.auth-button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 25px #667eea4d}.auth-button:active:not(:disabled){transform:translateY(0)}.auth-button:disabled{opacity:.7;cursor:not-allowed;transform:none}.auth-footer{text-align:center;margin-top:24px;padding-top:24px;border-top:1px solid #e2e8f0}.auth-footer p{color:#718096;font-size:14px;margin:0}.auth-link{color:#667eea;text-decoration:none;font-weight:600;transition:color .2s ease}.auth-link:hover{color:#5a67d8;text-decoration:underline}.auth-link-button{background:none;border:none;color:#667eea;text-decoration:none;font-weight:600;font-size:14px;cursor:pointer;transition:color .2s ease;padding:0;margin:0}.auth-link-button:hover{color:#5a67d8;text-decoration:underline}@media (max-width: 480px){.auth-container{padding:16px}.auth-card{padding:24px;border-radius:12px}.auth-header h1{font-size:24px}.auth-header p{font-size:14px}.form-group input{padding:10px 14px;font-size:16px}.auth-button{padding:12px 20px;font-size:16px}}.auth-button:disabled{position:relative}.auth-button:disabled:after{content:"";position:absolute;width:16px;height:16px;margin:auto;border:2px solid transparent;border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes spin{0%{transform:translate(-50%,-50%) rotate(0)}to{transform:translate(-50%,-50%) rotate(360deg)}}