/* Daikin Fit dashboard — theme tokens follow the validated reference palette.
   Light + dark are both first-class; data-theme on <html> beats the OS setting. */

:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --s1: #2a78d6;  /* blue    — indoor / primary */
  --s2: #eb6834;  /* orange  — outdoor */
  --s3: #1baf7a;  /* aqua    — actuals */
  --s4: #eda100;  /* yellow  — blower */
  --s7: #4a3aa7;  /* violet  — defrost / sim */
  --meter-track: #cde2fb;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --wash: rgba(11, 11, 11, 0.04);
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --s1: #3987e5;
    --s2: #d95926;
    --s3: #199e70;
    --s4: #c98500;
    --s7: #9085e9;
    --meter-track: #184f95;
    --wash: rgba(255, 255, 255, 0.05);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --s1: #3987e5;
  --s2: #d95926;
  --s3: #199e70;
  --s4: #c98500;
  --s7: #9085e9;
  --meter-track: #184f95;
  --wash: rgba(255, 255, 255, 0.05);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--page);
  color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding: 16px 20px 32px;
}
h1, h2, h3 { margin: 0; font-weight: 600; }
h1 { font-size: 18px; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-2); }
h3 { font-size: 13px; color: var(--ink-2); margin: 0 0 4px; font-weight: 600; }

/* ---- top bar ---- */
.topbar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }
.title-block { display: flex; align-items: baseline; gap: 10px; }
.subtitle { color: var(--muted); font-size: 13px; }
.badges { display: flex; gap: 8px; }
.badge, .chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
  padding: 4px 12px; font-size: 12.5px; font-weight: 600; color: var(--ink);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); flex: none; }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.updated { color: var(--muted); font-size: 12px; min-width: 82px; text-align: right; }
.ghost-btn {
  background: none; border: 1px solid var(--border); border-radius: 8px; color: var(--ink-2);
  padding: 4px 10px; font-size: 12.5px; cursor: pointer;
}
.ghost-btn:hover { background: var(--wash); }

.banner {
  border: 1px solid var(--border); border-left: 3px solid var(--s7);
  background: var(--surface); border-radius: 8px;
  padding: 8px 14px; margin-bottom: 12px; font-size: 13px; color: var(--ink-2);
}
.banner.error { border-left-color: var(--critical); }
.banner code { background: var(--wash); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.hidden { display: none; }

/* ---- KPI tiles ---- */
.kpi-row {
  display: grid; grid-template-columns: repeat(6, minmax(150px, 1fr));
  gap: 10px; margin-bottom: 12px;
}
.tile {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px 8px; min-height: 96px; display: flex; flex-direction: column;
}
.tile-label { font-size: 12px; color: var(--muted); margin-bottom: 2px; }
.tile-value { font-size: 27px; font-weight: 600; line-height: 1.1; }
.tile-unit { font-size: 13px; font-weight: 500; color: var(--ink-2); margin-left: 3px; }
.tile-sub { font-size: 11.5px; color: var(--muted); margin-top: 2px; }
.spark { margin-top: auto; width: 100%; height: 30px; }
.meter { height: 6px; border-radius: 3px; background: var(--meter-track); margin: 8px 0 4px; overflow: hidden; }
.meter-fill { height: 100%; width: 0%; border-radius: 3px; background: var(--s1); transition: width 0.6s ease; }

/* ---- layout ---- */
.layout { display: grid; grid-template-columns: 360px minmax(0, 1fr); gap: 12px; align-items: start; }
.sidebar { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.charts-col { min-width: 0; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px;
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 8px; }
.card-note { font-size: 12px; color: var(--muted); }

/* ---- system diagram ---- */
#diagram svg { width: 100%; max-width: 420px; height: auto; display: block; margin: 0 auto; }
#diagram text { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
.dg-box { fill: none; stroke: var(--baseline); stroke-width: 1.5; rx: 8; }
.dg-label { fill: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em; }
.dg-value { fill: var(--ink); font-size: 13px; font-weight: 600; }
.dg-sub { fill: var(--ink-2); font-size: 10.5px; }
.dg-line { stroke: var(--baseline); stroke-width: 2; fill: none; }
.dg-line.flow { stroke-dasharray: 6 6; animation: dgflow 1.2s linear infinite; }
.dg-line.flow.rev { animation-direction: reverse; }
.dg-line.hot { stroke: var(--s2); }
.dg-line.cold { stroke: var(--s1); }
@keyframes dgflow { to { stroke-dashoffset: -12; } }
.dg-fan { transform-origin: center; transform-box: fill-box; }
.dg-fan.spin { animation: dgspin var(--fan-period, 1.5s) linear infinite; }
@keyframes dgspin { to { transform: rotate(360deg); } }

/* ---- faults ---- */
.fault-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.fault-list li { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-2); }
.fault-ok { color: var(--ink-2); }
.sev { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.sev.good { background: var(--good); }
.sev.warning { background: var(--warning); }
.sev.critical { background: var(--critical); }
.fault-code { margin-left: auto; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 12px; }

/* ---- equipment nameplate ---- */
.kv-list { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; font-size: 12.5px; }
.kv-list dt { color: var(--muted); }
.kv-list dd { margin: 0; color: var(--ink); text-align: right; font-variant-numeric: tabular-nums; word-break: break-all; }

/* ---- raw explorer ---- */
.search {
  width: 100%; background: var(--page); color: var(--ink);
  border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; font-size: 13px;
  margin-bottom: 8px;
}
.search:focus { outline: 1.5px solid var(--s1); outline-offset: 0; }
.raw-table-wrap { max-height: 420px; overflow: auto; margin: 0 -6px; }
.raw-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.raw-table td { padding: 3px 6px; border-bottom: 1px solid var(--grid); vertical-align: top; }
.raw-key { color: var(--ink-2); word-break: break-all; }
.raw-val { text-align: right; font-variant-numeric: tabular-nums; font-family: ui-monospace, Menlo, monospace; font-size: 11.5px; color: var(--ink); white-space: nowrap; }
.raw-star { width: 26px; text-align: center; cursor: pointer; color: var(--muted); user-select: none; }
.raw-star.on { color: var(--s4); }
.raw-changed { animation: rawflash 1.6s ease-out; }
@keyframes rawflash { 0% { background: var(--wash); } 100% { background: none; } }

/* ---- charts ---- */
.range-chips { display: flex; gap: 4px; }
.range-chips button {
  background: none; border: 1px solid var(--border); color: var(--ink-2);
  border-radius: 999px; padding: 3px 12px; font-size: 12px; cursor: pointer;
}
.range-chips button:hover { background: var(--wash); }
.range-chips button.active { background: var(--s1); border-color: var(--s1); color: #fff; font-weight: 600; }
.chart-block { margin-top: 14px; }
.chart-block:first-of-type { margin-top: 2px; }

/* uPlot chrome: recessive axes, hairline grid, legend as identity channel */
.uplot { font-family: system-ui, -apple-system, "Segoe UI", sans-serif !important; }
.u-legend { font-size: 11.5px !important; color: var(--ink-2) !important; text-align: left !important; padding: 2px 0 0 !important; }
.u-legend .u-marker { border-radius: 2px; }
.u-legend .u-value { font-variant-numeric: tabular-nums; color: var(--ink) !important; }
.u-legend tr.u-off > * { opacity: 0.35; }
.u-select { background: var(--wash) !important; }

.foot { margin-top: 14px; color: var(--muted); font-size: 12px; }

@media (max-width: 1200px) {
  .kpi-row { grid-template-columns: repeat(3, 1fr); }
  .layout { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  body { padding: 10px 12px 24px; }
}

/* ---- device tabs (multi-thermostat switcher) ---- */
.device-tabs {
  display: flex;
  gap: 8px;
  padding: 10px 16px 0;
  flex-wrap: wrap;
}
.device-tabs.hidden { display: none; }
.device-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--baseline, #2a2a30);
  background: var(--surface, #16161a);
  color: var(--ink, #e8e8ee);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.device-tab:hover { border-color: var(--muted, #8a8a94); }
.device-tab.active {
  border-color: var(--s1, #3b82f6);
  background: color-mix(in srgb, var(--s1, #3b82f6) 14%, var(--surface, #16161a));
}
.device-tab-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--muted, #8a8a94);
  flex: none;
}
.device-tab-dot.live { background: var(--good, #34d399); }
.device-tab-dot.sim { background: var(--s7, #a78bfa); }
.device-tab-dot.error { background: var(--critical, #ef4444); }
.device-tab-dot.offline { background: var(--muted, #8a8a94); opacity: .55; }
.device-tab:has(.device-tab-dot.offline) { opacity: .72; }
