:root{font:14px/1.5 system-ui,sans-serif;color:#172e35;background:#eff4f5}*{box-sizing:border-box}body{margin:0}header{padding:24px max(24px,calc((100vw - 1280px)/2));display:flex;align-items:center;justify-content:space-between;background:#102e37;color:white}.eyebrow{font-size:10px;letter-spacing:2px;color:#7ce1c5}h1{font-size:26px;margin:4px 0}h2{font-size:17px;margin:0 0 8px}p{color:#60777d;font-size:12px}main{max-width:1328px;padding:24px;margin:auto;display:grid;gap:24px}.card,.unit,.zone{background:white;border:1px solid #d8e3e6;border-radius:12px;padding:20px}.pill{background:#23505b;border-radius:24px;padding:7px 14px}.connection #connection{display:flex;gap:12px;flex-wrap:wrap}.connection code{font-size:12px;background:#edf4f4;padding:6px 9px;border-radius:5px;overflow-wrap:anywhere}.toolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.toolbar #clock{margin-left:auto;color:#657d83;font-size:12px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}.section-title span{font-size:11px;color:#657d83}.units{display:grid;grid-template-columns:1fr 1fr;gap:16px}.unit-top{display:flex;justify-content:space-between}.temp{font-size:36px;font-weight:650;letter-spacing:-1px}.temp small{font-size:16px;font-weight:400}.readings{display:flex;gap:30px;margin:12px 0}.readings label{font-size:10px;text-transform:uppercase;color:#657d83}.controls{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}label{display:flex;flex-direction:column;gap:5px;font-size:12px}input,select{font:inherit;padding:9px;border:1px solid #cbdadd;border-radius:6px;width:100%;background:#fff}input[type=checkbox]{width:auto;accent-color:#13796c}.toggle{display:flex;flex-direction:row;align-items:center;gap:8px}button{padding:10px 15px;border:1px solid #cbdadd;background:#f5f9f9;color:#174b53;border-radius:6px;cursor:pointer;font-weight:600}button:hover{background:#dff3ed}.unit button,.zone button{margin-top:12px;background:#176d61;color:white;border:0}.zones{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.zone h3{margin:0;font-size:14px}.zone .meta{font-size:11px;color:#657d83;margin-bottom:8px}.zone-head{display:flex;justify-content:space-between;align-items:center}.zone .temp{font-size:29px}.zone .controls{grid-template-columns:1fr 1fr;margin-top:12px}.bar{height:5px;background:#eaf0f0;border-radius:5px;margin:10px 0}.bar i{display:block;height:100%;background:#28ac93;border-radius:5px}.bottom{display:grid;grid-template-columns:1fr 2fr;gap:20px}.settings{display:grid;gap:14px}#traffic{height:370px;overflow:auto;background:#102e37;border-radius:8px;color:#b4ddd8;padding:12px}.msg{padding:10px 0;border-bottom:1px solid #2a4b52;font:11px/1.5 ui-monospace,monospace;overflow-wrap:anywhere}.msg b{color:#7ce1c5}pre{font-size:11px;white-space:pre-wrap;overflow-wrap:anywhere;margin:6px 0}#state{max-height:400px;overflow:auto}summary{cursor:pointer}#toast{position:fixed;bottom:24px;right:24px;max-width:400px;background:#123c45;color:white;padding:12px 18px;border-radius:8px;display:none}#toast.show{display:block}@media(max-width:960px){.zones{grid-template-columns:1fr 1fr}.bottom{grid-template-columns:1fr}}@media(max-width:600px){.units,.zones{grid-template-columns:1fr}header{padding:18px}h1{font-size:20px}main{padding:14px}.section-title{align-items:flex-start;flex-direction:column}.controls{grid-template-columns:1fr}.zone .controls{grid-template-columns:1fr 1fr}}

.board-identity{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;margin-top:12px}.board-identity span{font-size:12px;color:#b4ddd8}.board-identity code{font:600 18px/1.4 ui-monospace,monospace;letter-spacing:1px;color:#7ce1c5;user-select:all}header{gap:16px}.pill{flex-shrink:0}@media(max-width:600px){header{align-items:flex-start;flex-wrap:wrap}.board-identity{align-items:flex-start;flex-direction:column;gap:4px}}

.broker-fields{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end}#brokerMessage{font-weight:600;color:#174b53}@media(max-width:600px){.broker-fields{grid-template-columns:1fr}}