:root{color-scheme:dark;--bg:#07111f;--panel:#0d1b2d;--line:#20344d;--text:#f4f8fc;--muted:#9eb0c5;--blue:#4da3ff;--green:#48d597;--red:#ff6b74;--shadow:0 22px 60px rgba(0,0,0,.28)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 20% 0,#123057 0,transparent 34%),linear-gradient(160deg,#07111f,#091727 55%,#07111f);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text)}main{width:min(760px,calc(100% - 28px));margin:0 auto;padding:34px 0 max(34px,env(safe-area-inset-bottom))}header{display:flex;align-items:center;gap:15px;margin:0 0 24px}.mark{display:grid;place-items:center;width:54px;height:54px;border:1px solid #37618c;border-radius:18px;background:linear-gradient(145deg,#1f70be,#164776);font-size:23px;font-weight:800;box-shadow:var(--shadow)}h1,h2,p{margin-top:0}h1{margin-bottom:0;font-size:clamp(27px,6vw,38px);letter-spacing:-.035em}h2{font-size:21px;margin-bottom:7px}.eyebrow{margin:0 0 2px;color:#78b9ff;text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:750}.panel,.welcome,.control-card{border:1px solid var(--line);background:linear-gradient(150deg,rgba(17,35,57,.98),rgba(10,25,42,.98));box-shadow:var(--shadow)}.panel{border-radius:22px;padding:24px}.auth{max-width:470px}.auth form{display:grid;gap:16px}label{display:grid;gap:7px;color:#cbd7e5;font-size:14px;font-weight:650}input{width:100%;border:1px solid #35506f;border-radius:13px;padding:13px 14px;background:#081421;color:white;font:inherit;outline:none}input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(77,163,255,.18)}button,.button-link{appearance:none;border:0;border-radius:13px;padding:12px 16px;background:#2081e2;color:white;font:inherit;font-weight:750;cursor:pointer;text-decoration:none;text-align:center;transition:transform .12s ease,filter .12s ease}button:hover,.button-link:hover{filter:brightness(1.1)}button:active{transform:scale(.98)}button:disabled{opacity:.55;cursor:wait}.primary{background:#2081e2}.secondary{background:#344b65}.danger{background:#b93645}.link{padding:0;background:transparent;color:#90c8ff}.hint,.muted{color:var(--muted);font-size:14px;line-height:1.5}.error{border:1px solid #6c2f38;border-radius:12px;padding:10px 12px;background:#35151b;color:#ffafb4}.register-link{margin:5px 0 0;text-align:center}.register-link a,a{color:#8bc8ff}.welcome{display:flex;justify-content:space-between;gap:18px;align-items:center;border-radius:18px;padding:15px 18px;margin-bottom:16px}.welcome p{margin-bottom:3px}.links{display:flex;align-items:center;gap:16px;white-space:nowrap}.links form{margin:0}.controls{display:grid;grid-template-columns:1fr 1fr;gap:16px}.control-card{min-height:220px;border-radius:23px;padding:22px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative}.control-card:before{content:"";position:absolute;inset:-90px -90px auto auto;width:180px;height:180px;border-radius:50%;background:rgba(66,151,239,.11)}.control-card.alarm{grid-column:1/-1;min-height:190px}.icon{display:grid;place-items:center;width:42px;height:42px;border:1px solid #355577;border-radius:14px;background:#0d2946;color:#82c0ff;font-size:21px;margin-bottom:18px}.status{color:var(--muted);margin-bottom:0;text-transform:capitalize}.status.good{color:var(--green)}.status.bad{color:#ffb0b5}.button-row{display:flex;gap:10px;flex-wrap:wrap}.control-card>button{width:100%}.control-card .button-row button{flex:1;min-width:135px}#message{min-height:26px;margin:16px 4px;color:#a7e9ca;font-weight:650}#message.error-message{color:#ffabb2}footer{text-align:center;color:#6f8298;font-size:12px;margin-top:28px}@media(max-width:580px){main{padding-top:22px}.controls{grid-template-columns:1fr}.control-card.alarm{grid-column:auto}.welcome{align-items:flex-start;flex-direction:column}.links{width:100%;justify-content:space-between}.control-card{min-height:205px}}