:root {
  color-scheme: light;
  --surface-1:      #fcfcfb;
  --page-plane:     #f9f9f7;
  --text-primary:   #0b0b0b;
  --text-secondary: #52514e;
  --text-muted:     #898781;
  --gridline:       #e1e0d9;
  --baseline:       #c3c2b7;
  --border:         rgba(11,11,11,0.10);
  --series-1:       #2a78d6;   /* Temperaturlinie */
  --series-1-wash:  rgba(42,120,214,0.10);
  --status-good:      #0ca30c;
  --status-warning:   #fab219;
  --status-serious:   #ec835a;
  --status-critical:  #d03b3b;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --surface-1:      #1a1a19;
    --page-plane:     #0d0d0d;
    --text-primary:   #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted:     #898781;
    --gridline:       #2c2c2a;
    --baseline:       #383835;
    --border:         rgba(255,255,255,0.10);
    --series-1:       #3987e5;
    --series-1-wash:  rgba(57,135,229,0.14);
    --status-good:      #0ca30c;
    --status-warning:   #fab219;
    --status-serious:   #ec835a;
    --status-critical:  #d03b3b;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-1:      #1a1a19;
  --page-plane:     #0d0d0d;
  --text-primary:   #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted:     #898781;
  --gridline:       #2c2c2a;
  --baseline:       #383835;
  --border:         rgba(255,255,255,0.10);
  --series-1:       #3987e5;
  --series-1-wash:  rgba(57,135,229,0.14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--page-plane);
  color: var(--text-primary);
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-1);
}

.app-header h1 {
  font-size: 20px;
  font-weight: 600;
  margin: 0;
}

.app-header .subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 2px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex-shrink: 0;
}

.controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.range-select {
  display: flex;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.range-select button {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13px;
  padding: 7px 14px;
  cursor: pointer;
  font-family: inherit;
}
.range-select button.active {
  background: var(--series-1);
  color: #fff;
  font-weight: 600;
}

main {
  padding: 24px 28px 60px;
  max-width: 1400px;
  margin: 0 auto;
}

.group-section { margin-bottom: 36px; }
.group-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.group-title .count {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 13px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px 14px;
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.card-kind {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 1px;
}

.temp-value {
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
}
.temp-unit {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 400;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.badge.good { background: color-mix(in srgb, var(--status-good) 16%, transparent); color: var(--status-good); }
.badge.warning { background: color-mix(in srgb, var(--status-warning) 22%, transparent); color: #8a5c00; }
:root[data-theme="dark"] .badge.warning { color: var(--status-warning); }
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) .badge.warning { color: var(--status-warning); }
}
.badge.critical { background: color-mix(in srgb, var(--status-critical) 18%, transparent); color: var(--status-critical); }
.badge.unknown { background: color-mix(in srgb, var(--text-muted) 16%, transparent); color: var(--text-muted); }

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.chart-wrap {
  margin-top: 12px;
  position: relative;
}
.chart-wrap svg { display: block; width: 100%; height: 92px; overflow: visible; }
.chart-empty {
  font-size: 12px;
  color: var(--text-muted);
  padding: 24px 0;
  text-align: center;
}

.tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--text-primary);
  color: var(--surface-1);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 6px;
  white-space: nowrap;
  transform: translate(-50%, -100%);
  opacity: 0;
  transition: opacity 0.1s;
  z-index: 5;
}
.tooltip.visible { opacity: 1; }

.plug-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
}
.plug-state {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}
.plug-toggle {
  width: 34px; height: 20px;
  border-radius: 999px;
  background: var(--baseline);
  position: relative;
  flex-shrink: 0;
}
.plug-toggle.on { background: var(--status-good); }
.plug-toggle::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: left 0.15s;
}
.plug-toggle.on::after { left: 16px; }

.empty-state {
  color: var(--text-muted);
  font-size: 14px;
  padding: 40px;
  text-align: center;
}

footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  padding: 20px;
}

@media (max-width: 600px) {
  .app-header, main { padding-left: 16px; padding-right: 16px; }
}