:root {
  --bg: #060910;
  --bg2: #0b1220;
  --card: rgba(14, 22, 38, .78);
  --card-solid: #10192c;
  --line: rgba(120, 160, 220, .14);
  --line2: rgba(92, 225, 255, .28);
  --txt: #e9f1ff;
  --mut: #8ea0c2;
  --ice: #5ce1ff;
  --ice2: #7af0c8;
  --ok: #3ee0a0;
  --warn: #ffbf47;
  --hot: #ff7a30;
  --crit: #ff4d6d;
  --steam: #dbe7ff;
  --shadow: 0 24px 60px rgba(0,0,0,.35);
  --r: 18px;
  --sidebar: 248px;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "Outfit", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body.app {
  font-family: var(--sans);
  color: var(--txt);
  background:
    radial-gradient(1200px 520px at -10% -20%, rgba(92,225,255,.16), transparent 50%),
    radial-gradient(900px 500px at 110% -10%, rgba(255,122,48,.12), transparent 46%),
    radial-gradient(800px 400px at 50% 120%, rgba(62,224,160,.08), transparent 40%),
    var(--bg);
}
a { color: var(--ice); text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
.shell { display: grid; grid-template-columns: var(--sidebar) 1fr; min-height: 100vh; }
.sidebar {
  position: sticky; top: 0; height: 100vh;
  padding: 22px 16px; border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10,16,30,.92), rgba(8,12,22,.75));
  backdrop-filter: blur(18px);
  display: flex; flex-direction: column; gap: 8px;
}
.brand { display: flex; gap: 12px; align-items: center; padding: 6px 8px 18px; }
.mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--ice), var(--ice2));
  color: #041018; display: grid; place-items: center; font-weight: 800;
  box-shadow: 0 0 24px rgba(92,225,255,.35);
}
.brand b { display: block; letter-spacing: .18em; font-size: 13px; }
.brand span { color: var(--mut); font-size: 11px; }
.nav a {
  display: flex; align-items: center; gap: 10px;
  color: var(--mut); padding: 10px 12px; border-radius: 12px; font-size: 14px;
}
.nav a:hover, .nav a.active { color: var(--txt); background: rgba(92,225,255,.08); }
.nav svg { width: 18px; height: 18px; opacity: .85; }
.side-foot { margin-top: auto; padding: 12px; border: 1px solid var(--line); border-radius: 14px; }
.side-foot .who { font-size: 13px; }
.side-foot .role { color: var(--mut); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.main { padding: 22px 28px 48px; min-width: 0; }
.topbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 22px; }
.topbar h1 { margin: 0; font-size: 28px; letter-spacing: -.03em; }
.topbar p { margin: 6px 0 0; color: var(--mut); }
.pills { display: flex; gap: 8px; flex-wrap: wrap; }
#brand-pills { display: contents; }
.pill {
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
  color: var(--txt); border-radius: 999px; padding: 8px 12px; font-size: 12px;
}
.pill.live { border-color: rgba(62,224,160,.4); color: var(--ok); }
.pill.live i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); margin-right: 6px; box-shadow: 0 0 10px var(--ok); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 18px; }
.stat, .card, .cell, .boiler {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  box-shadow: var(--shadow);
}
.stat { padding: 14px 16px; }
.stat .k { color: var(--mut); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.stat .v { font-family: var(--mono); font-size: 26px; margin-top: 6px; }
.grid-10 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.cell { padding: 14px; position: relative; overflow: hidden; min-height: 168px; transition: transform .2s, border-color .2s; }
.cell:hover { transform: translateY(-2px); border-color: var(--line2); }
.cell .meta { display: flex; justify-content: space-between; color: var(--mut); font-size: 12px; }
.cell .name { font-weight: 650; margin: 8px 0 2px; }
.temp { font-family: var(--mono); font-size: 38px; letter-spacing: -.04em; line-height: 1; }
.temp small { font-size: 16px; color: var(--mut); }
.hum { color: var(--mut); font-size: 12px; margin-top: 6px; }
.spark { width: 100%; height: 36px; margin-top: 10px; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.cell.ok { --acc: var(--ok); }
.cell.warning { --acc: var(--warn); border-color: rgba(255,191,71,.45); }
.cell.critical, .cell.alarm { --acc: var(--crit); border-color: rgba(255,77,109,.55); animation: alarmflash 1.2s infinite; }
.cell.offline { --acc: #6b7c99; opacity: .72; }
.cell .status-dot { background: var(--acc, var(--ok)); box-shadow: 0 0 10px var(--acc, var(--ok)); }
@keyframes alarmflash { 50% { box-shadow: 0 0 28px rgba(255,77,109,.28); } }
.section-h { display: flex; align-items: baseline; justify-content: space-between; margin: 26px 0 12px; }
.section-h h2 { margin: 0; font-size: 16px; letter-spacing: .12em; text-transform: uppercase; color: var(--mut); font-weight: 600; }
.boilers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.boiler { padding: 18px; min-height: 180px; }
.boiler.fault { border-color: rgba(255,191,71,.6); animation: alarmflash 1s infinite; }
.flame {
  width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center;
  background: radial-gradient(circle at 50% 70%, #ffbf47, #ff7a30 70%);
  box-shadow: 0 0 24px rgba(255,122,48,.45);
}
.boiler.fault .flame { background: #ffbf47; animation: pulse 1s infinite; }
.boiler.ok .flame { filter: saturate(.7); }
.boiler h3 { margin: 0 0 4px; }
.lamp { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; margin-top: 10px; }
.lamp b { width: 12px; height: 12px; border-radius: 50%; background: #2a3348; }
.lamp.on b { background: var(--warn); box-shadow: 0 0 16px var(--warn); }
.alarm-tray { margin-top: 22px; }
.alarm {
  display: grid; grid-template-columns: 8px 1fr auto; gap: 12px; align-items: center;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; margin-bottom: 8px;
  background: rgba(255,77,109,.06);
}
.alarm.warn { background: rgba(255,191,71,.06); }
.alarm .bar { height: 100%; min-height: 42px; border-radius: 8px; background: var(--crit); }
.alarm.warn .bar { background: var(--warn); }
.alarm .t { font-weight: 650; }
.alarm .s { color: var(--mut); font-size: 12px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  border: 1px solid var(--line); background: #121b30; color: var(--txt);
  border-radius: 12px; padding: 8px 12px; cursor: pointer; font-size: 13px;
}
.btn:hover { border-color: var(--ice); }
.btn.primary { background: linear-gradient(90deg, var(--ice), var(--ice2)); color: #041018; border: 0; font-weight: 700; }
.btn.ghost { background: transparent; }
.btn.danger { border-color: rgba(255,77,109,.4); color: #ffc1cc; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); font-size: 14px; }
.table th { color: var(--mut); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; font-weight: 600; }
.form { display: grid; gap: 12px; }
.form.grid2 { grid-template-columns: 1fr 1fr; }
label.f { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--mut); }
input, select, textarea {
  background: #0b1220; border: 1px solid var(--line); color: var(--txt);
  border-radius: 12px; padding: 11px 12px; font-size: 14px;
}
.flash { padding: 12px 14px; border-radius: 12px; margin-bottom: 14px; }
.flash.warn { background: #2a2414; border: 1px solid var(--warn); color: #ffd789; }
.cell.offline .temp, .cell.unknown .temp { color: var(--mut); }
.check { display: flex; gap: 8px; align-items: center; color: var(--txt); font-size: 14px; }
.fac-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; min-height: 8px; }
.fac-chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 10px; color: var(--txt); font-size: 13px;
}
.fac-chip input { display: none; }
.fac-del { background: none; border: 0; color: var(--mut); cursor: pointer; font-size: 16px; line-height: 1; padding: 0 2px; }
.fac-del:hover { color: var(--crit); }
.fac-add { display: flex; gap: 8px; }
.fac-add input { flex: 1; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: min(460px, 100%); padding: 32px; border-radius: 24px; border: 1px solid var(--line); background: rgba(12,18,32,.86); box-shadow: var(--shadow); }
.login-card h1 { margin: 8px 0 4px; }
.muted { color: var(--mut); }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 3px 8px; font-size: 11px; border: 1px solid var(--line); }
.badge.crit { color: var(--crit); border-color: rgba(255,77,109,.4); }
.badge.warn { color: var(--warn); border-color: rgba(255,191,71,.4); }
.badge.ok { color: var(--ok); border-color: rgba(62,224,160,.4); }
.chart-box { height: 320px; padding: 8px; }
@media (max-width: 1180px) {
  .stats, .grid-10 { grid-template-columns: repeat(2, 1fr); }
  .boilers { grid-template-columns: 1fr; }
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 720px) {
  .stats, .grid-10, .form.grid2 { grid-template-columns: 1fr; }
  .main { padding: 16px; }
  .temp { font-size: 32px; }
}