:root{font-family:Segoe UI,Arial,sans-serif;color:#1f2937;background:#f3f6fa}*{box-sizing:border-box}body{margin:0}.container{max-width:1050px;margin:34px auto;padding:0 18px}header{display:flex;justify-content:space-between;gap:20px;align-items:start;margin-bottom:22px}.eyebrow{letter-spacing:.14em;text-transform:uppercase;color:#446a94;font-size:12px;font-weight:700;margin:0}h1{font-size:32px;margin:7px 0}h2{font-size:19px;margin:0 0 14px}header p{color:#64748b;margin:4px 0}.right{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.pill{display:inline-block;padding:8px 12px;border-radius:30px;background:#e2e8f0;color:#475569;font-size:12px;font-weight:700}.pill.online{background:#dcfce7;color:#166534}.pill.offline{background:#fee2e2;color:#991b1b}.pill.delayed{background:#fef3c7;color:#92400e}.card{background:white;border-radius:14px;padding:24px;margin-bottom:18px;box-shadow:0 2px 12px #1e293b0d;border:1px solid #e2e8f0}.summary{display:grid;grid-template-columns:1fr 1fr;gap:18px}.summary .card p{margin:0 0 8px;color:#64748b}.summary strong{display:block;font-size:40px;color:#0f3e69}.summary .small-strong{font-size:21px;margin-top:12px}.summary small{display:block;margin-top:7px;color:#64748b}.four{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.channel{padding:17px 12px;border:1px solid #e2e8f0;border-radius:12px;background:#f8fafc;min-height:116px}.channel h3{font-size:15px;margin:0 0 10px}.state{font-size:14px;font-weight:650;color:#64748b}.dot{width:11px;height:11px;display:inline-block;border-radius:50%;background:#94a3b8;margin-right:6px}.dot.on{background:#16a34a}.note{color:#64748b;font-size:13px;margin-top:0}.channel button{width:100%;margin-top:8px}.pending{color:#a16207;font-size:12px;margin-top:9px}.confirmed{font-size:12px;color:#64748b;margin-top:9px}button{cursor:pointer;border:0;border-radius:8px;padding:10px 13px;font-weight:650}button:disabled{opacity:.45;cursor:not-allowed}.primary{background:#17609b;color:white}.secondary{background:#e2e8f0;color:#334155}.error,#message{color:#ad2929}#message{min-height:24px}.login{max-width:390px;margin:13vh auto}.login form{display:grid;gap:12px}.login input{padding:11px;font-size:16px;border:1px solid #cbd5e1;border-radius:8px}.login h1{font-size:28px}footer{font-size:12px;color:#64748b;padding:12px 0 30px}@media(max-width:700px){.summary{grid-template-columns:1fr}.four{grid-template-columns:repeat(2,1fr)}header{flex-direction:column}.right{width:100%;justify-content:space-between}}

nav{display:flex;gap:18px;margin:0 0 18px}nav a{color:#17609b;font-weight:700}.flex{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.large{font-size:34px;color:#0f3e69}select,input[type=number],.aliasrow input{padding:9px;border:1px solid #cbd5e1;border-radius:8px;max-width:100%}.settings{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.settings label{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.aliasrow{display:grid;grid-template-columns:55px 1fr 2fr auto;gap:8px;margin-bottom:10px;align-items:center}#message{min-height:25px}.channel h3{overflow-wrap:anywhere}@media(max-width:700px){.settings{grid-template-columns:1fr}.aliasrow{grid-template-columns:1fr 1fr}.aliasrow input:nth-child(3){grid-column:1 / -1}}

/* v1.1.1: jednoduché uživatelské ovládání */
.heating-card h2{margin:0}.heating-power{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px;background:#f8fafc;border-radius:12px;margin:16px 0}.heating-power .note{margin:6px 0 0}
.segment{display:inline-flex;background:#e2e8f0;border-radius:10px;padding:4px;gap:3px}.segment button{background:transparent;color:#334155;min-width:88px}.segment button.selected{background:#17609b;color:#fff;box-shadow:0 1px 5px #1e293b33}.segment button:disabled{opacity:.5}
.heating-settings{border:0;padding:0;margin:0;min-width:0}.heating-settings legend{font-size:0;height:0}.heating-settings.inactive{opacity:.45}.season-segment{display:flex;margin:8px 0 16px}.season-segment button{flex:1}.heating-values{display:grid;grid-template-columns:1fr 1fr;gap:16px}.value-box{display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px 10px;background:#f8fafc;border-radius:12px;min-width:0}.value-box small{color:#64748b}.adjustment{justify-content:center}.adjustment button{font-size:20px;min-width:46px}.service-warning{padding:12px;border-radius:9px;background:#fef3c7;color:#92400e;margin-top:12px}.service-warning[hidden]{display:none}
@media(max-width:600px){.heating-power{flex-direction:column;align-items:stretch}.heating-power .segment{display:flex}.heating-power .segment button{flex:1}.heating-values{grid-template-columns:1fr}}

/* v1.2: one centered requested-temperature panel */
.heating-values{grid-template-columns:1fr}.heating-values .value-box{width:100%;box-sizing:border-box}

.sensor-error { color: #c83232; font-weight: 700; }