:root{--ink:#17221e;--muted:#68756f;--green:#1f6b51;--mint:#e5f1ea;--cream:#f4f1e9;--card:#fff;--line:#dce2dd;--amber:#b87219;--red:#a8423d}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font:15px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,sans-serif}button,input,select{font:inherit}button{border:0;border-radius:10px;background:var(--green);color:#fff;padding:11px 16px;font-weight:700;cursor:pointer}.secondary{background:#fff;color:var(--green);border:1px solid var(--line)}.icon{background:#e9ece9;color:var(--ink)}#app{max-width:1440px;margin:auto;padding:28px 40px 70px}.login{max-width:380px;margin:12vh auto;background:#fff;padding:44px;border-radius:22px;box-shadow:0 20px 60px #1b372318;text-align:center}.brand{width:48px;height:48px;margin:auto;background:var(--green);color:#fff;display:grid;place-items:center;border-radius:14px;font-weight:800}.login h1{margin:18px 0 0}.login p{color:var(--muted)}.login input{width:100%;padding:13px;border:1px solid var(--line);border-radius:10px;margin:10px 0}.login button{width:100%}.login small{display:block;color:var(--red);margin-top:8px}header,.panel-title,.rooms-title{display:flex;align-items:center;justify-content:space-between;gap:20px}h1,h2{font-family:Georgia,serif;margin:3px 0}h1{font-size:32px}h2{font-size:24px}.eyebrow{font-size:11px;letter-spacing:.14em;font-weight:800;color:var(--green)}.head-actions{display:flex;gap:10px}.head-actions select{min-width:230px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px}.status{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0}.status-card{background:#fff;border:1px solid var(--line);padding:15px 18px;border-radius:14px}.status-card small{color:var(--muted);display:block}.status-card strong{display:block;margin-top:5px}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#48a47c;margin-right:7px}.dot.bad{background:var(--red)}.panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.setting-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin:20px 0}.setting-grid label{background:#f7f8f5;border-radius:10px;padding:10px;color:var(--muted);font-size:12px}.setting-grid span{display:block;color:var(--ink);font-size:16px;font-weight:700}.setting-grid input{width:65px;background:transparent;border:0;color:var(--ink);font-weight:700}.switch-row{border-top:1px solid var(--line);padding-top:18px;display:flex;align-items:center;gap:28px}.switch{font-weight:650;display:flex;gap:9px;align-items:center}.switch input{display:none}.switch i{width:38px;height:22px;border-radius:20px;background:#bcc5c0;position:relative}.switch i:after{content:"";position:absolute;width:16px;height:16px;background:#fff;border-radius:50%;top:3px;left:3px;transition:.2s}.switch input:checked+i{background:var(--green)}.switch input:checked+i:after{left:19px}.switch-row button{margin-left:auto}.rooms-title{margin:32px 0 14px}.rooms{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.room{background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px}.room.problem{border-color:#e6b178}.room-head{display:flex;justify-content:space-between;align-items:start}.room-number{font:700 27px Georgia,serif}.badge{border-radius:30px;padding:5px 9px;background:var(--mint);color:var(--green);font-size:11px;font-weight:800}.badge.vacant{background:#eef0ed;color:var(--muted)}.temperatures{display:flex;align-items:end;justify-content:space-between;margin:21px 0}.temp strong{font-size:29px}.temp small{display:block;color:var(--muted)}.manual{display:flex;gap:6px;align-items:center}.manual input{width:66px;border:1px solid var(--line);border-radius:8px;padding:7px}.manual button{padding:8px}.devices{border-top:1px solid var(--line);padding-top:10px}.device{display:grid;grid-template-columns:1fr auto auto;gap:9px;padding:7px 0;font-size:13px}.battery.low{color:var(--red);font-weight:800}.offline{color:var(--red)}.warning{margin-top:16px;border-color:#e4b46f;background:#fff9ee}#toast{position:fixed;right:22px;bottom:22px;background:#15251f;color:#fff;padding:12px 18px;border-radius:10px;opacity:0;transform:translateY(10px);transition:.2s}#toast.show{opacity:1;transform:none}@media(max-width:1000px){.setting-grid{grid-template-columns:repeat(3,1fr)}.rooms{grid-template-columns:repeat(2,1fr)}.status{grid-template-columns:repeat(2,1fr)}}@media(max-width:650px){#app{padding:20px 14px 50px}header{align-items:flex-start;flex-direction:column}.head-actions{width:100%}.head-actions select{min-width:0;flex:1}.status{grid-template-columns:1fr 1fr}.setting-grid{grid-template-columns:1fr 1fr}.switch-row{align-items:flex-start;flex-direction:column;gap:15px}.switch-row button{margin:0;width:100%}.rooms{grid-template-columns:1fr}.panel-title{align-items:flex-start}.panel-title button{font-size:12px}.login{padding:28px;margin:10vh 8px}}