.desktop-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:32px;text-align:center}.desktop-screen h1{font-size:1.5rem;color:#fff;margin-bottom:12px}.desktop-screen p{color:#aaa;margin-bottom:20px;line-height:1.6}.qr-wrapper{background:#1a1a2e;padding:16px;border-radius:16px;margin-bottom:20px}.url-hint{font-size:.8rem;color:#666;word-break:break-all}.login-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:32px;text-align:center}.login-screen h1{font-size:1.6rem;color:#fff;margin-bottom:8px}.login-screen p{color:#aaa;margin-bottom:24px}.login-form{display:flex;flex-direction:column;align-items:center;gap:16px;width:100%}.login-form .error{color:#ff6b6b;font-size:.85rem}.btn-start{background:#6c63ff;color:#fff;font-size:1.1rem;padding:14px 32px;width:100%;max-width:300px}.btn-start:hover{background:#5a52d5}.controller-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:24px;text-align:center;gap:16px}.controller-screen h2{font-size:1.4rem;color:#fff}.status-badge{color:#4ade80;font-weight:600}.error-text{color:#ff6b6b;max-width:300px}.spinner{width:40px;height:40px;border:4px solid #333;border-top:4px solid #6c63ff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.sensor-display{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;width:100%;max-width:400px}.sensor-card{background:#1a1a2e;border-radius:12px;padding:16px;flex:1;min-width:160px}.sensor-card h3{font-size:.85rem;color:#6c63ff;margin-bottom:8px}.sensor-card p{font-family:SF Mono,Menlo,monospace;font-size:.85rem;color:#ccc}.btn-permission{background:#6c63ff;color:#fff;padding:14px 32px;font-size:1.1rem;width:100%;max-width:300px}.btn-permission:hover{background:#5a52d5}.btn-disconnect{background:#ff4757;color:#fff;padding:10px 24px;margin-top:12px}.btn-disconnect:hover{background:#e0303f}.btn-back{background:#444;color:#fff;padding:10px 24px}.btn-back:hover{background:#555}.app-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100%;padding:24px;text-align:center}.app-container h1{font-size:1.6rem;margin-bottom:16px;color:#fff}.app-container p{color:#aaa;margin-bottom:12px;line-height:1.5}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:#0f0f1a;color:#e0e0e0}button{cursor:pointer;border:none;border-radius:8px;padding:12px 24px;font-size:1rem;font-weight:600;transition:background .2s,transform .1s}button:active{transform:scale(.96)}input{border:1px solid #444;border-radius:8px;padding:12px 16px;font-size:1rem;background:#1a1a2e;color:#e0e0e0;outline:none;width:100%;max-width:300px}input:focus{border-color:#6c63ff}