body{margin:0;font-family:Arial,sans-serif;background:#08111f;color:#fff}.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.side{padding:24px;background:#0d1828}.brand{font-size:28px;font-weight:700;margin-bottom:28px}.brand span{display:block;font-size:10px;letter-spacing:2px;color:#94a3b8}.side button{width:100%;margin:6px 0;padding:12px;border:0;border-radius:10px;background:transparent;color:#cbd5e1;text-align:left;cursor:pointer}.side button.active,.side button:hover{background:#1b2a40;color:#fff}.main{padding:38px}.eyebrow{color:#6f8cff;text-transform:uppercase;letter-spacing:2px;font-size:12px}h1{font-size:44px;margin:6px 0}.card{background:#132134;border:1px solid #263a53;border-radius:18px;padding:20px;margin-top:18px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.stat strong{display:block;font-size:32px}.device{display:flex;justify-content:space-between;align-items:center;width:100%;color:#fff;text-align:left;cursor:pointer}.online{color:#42d392}.primary,.secondary{padding:13px 18px;border-radius:12px;border:0;color:white;font-weight:700;cursor:pointer}.primary{background:linear-gradient(135deg,#2877ff,#5f43ff)}.secondary{background:#1b2a40;border:1px solid #314762}.form{display:grid;gap:10px;max-width:560px}.form input{padding:14px;border-radius:10px;border:1px solid #314762;background:#0d1828;color:white}.buttons{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:24px 0}.device-button{min-height:100px;border-radius:16px;border:1px solid #314762;background:#15263b;color:white;font-size:18px;font-weight:700}.device-button.active{background:linear-gradient(135deg,#2877ff,#5f43ff)}.led{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #25364a}.dot{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:8px}.white{background:white}.blue{background:#2684ff}.off{opacity:.18}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}@media(max-width:760px){.app{grid-template-columns:1fr}.side{display:none}.main{padding:22px}.grid{grid-template-columns:1fr}}
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(460px,100%)}.auth-brand{margin-bottom:28px}.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.empty{margin-top:14px}.offline{color:#ff7a82}.logout{margin-top:auto;background:transparent;border:1px solid #2b405b;color:#9eb0c5;border-radius:12px;padding:12px;cursor:pointer}.side{display:flex;flex-direction:column}.message{min-height:22px;color:#9eb0c5}@media(max-width:820px){.page-head{flex-direction:column}}