:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --card: #181b22;
  --fg: #e6e6e6;
  --muted: #8b94a3;
  --accent: #4aa3ff;
  --warn: #f0a64c;
  --good: #4adf85;
  --border: #262a33;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  padding: 16px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 16px;
}

h1 { margin: 0; font-size: 1.5rem; font-weight: 600; }
h2 { margin: 0 0 12px; font-size: 1.05rem; font-weight: 600; color: var(--muted); }

.updated { color: var(--muted); font-size: 0.85rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.grid > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
}

.label {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

#latest-grid span:not(.label):not(.sub),
.target span:not(.label) {
  font-size: 1.4rem;
  font-weight: 600;
}

#latest-grid .sub {
  font-size: 0.7rem;
  color: var(--muted);
}

.control-row {
  display: grid;
  grid-template-columns: minmax(180px, 240px) 1fr;
  gap: 20px;
  margin-bottom: 16px;
}

.target {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.target > div {
  display: flex;
  flex-direction: column;
}

.model-state {
  font-size: 0.8rem;
  color: var(--warn);
}

.model-state.ready { color: var(--good); }

.comfort-buttons {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  align-content: start;
}

.comfort-buttons button {
  padding: 12px 4px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--fg);
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s;
}

.comfort-buttons button:hover { background: rgba(74, 163, 255, 0.18); }
.comfort-buttons button:active { transform: translateY(1px); }
.comfort-buttons button.pending { opacity: 0.5; pointer-events: none; }

.ac-range {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.ac-range label {
  display: flex;
  flex-direction: column;
  font-size: 0.75rem;
  color: var(--muted);
  gap: 4px;
}

.ac-range input {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 6px;
  padding: 6px 8px;
  width: 80px;
  font-size: 0.95rem;
}

button {
  background: var(--accent);
  color: #0c0f14;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}

button:disabled { opacity: 0.5; cursor: not-allowed; }

.range-status { color: var(--muted); font-size: 0.8rem; }
.range-status.ok { color: var(--good); }
.range-status.err { color: var(--warn); }

.chart-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.chart-controls label {
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chart-controls select {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 6px;
  padding: 6px 8px;
}

.charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.chart-wrap {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  padding: 8px;
  height: 220px;
}

.model-empty {
  color: var(--muted);
  font-size: 0.9rem;
}

.model-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.model-summary > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
}

.model-summary span:not(.label) {
  font-size: 1.2rem;
  font-weight: 600;
}

.model-body {
  display: grid;
  grid-template-columns: minmax(260px, 320px) 1fr;
  gap: 16px;
  align-items: stretch;
}

.model-radar { height: 280px; }

.model-table-wrap h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
}

.model-formula {
  margin: 0 0 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.model-formula span { color: var(--fg); font-weight: 600; }

#contrib-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

#contrib-table th,
#contrib-table td {
  text-align: right;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
}

#contrib-table th:first-child,
#contrib-table td:first-child {
  text-align: left;
}

#contrib-table th {
  font-weight: 600;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
}

#contrib-table td.warm  { color: var(--warn); }
#contrib-table td.cool  { color: var(--accent); }
#contrib-table td.zero  { color: var(--muted); }

@media (max-width: 720px) {
  .model-body { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .control-row { grid-template-columns: 1fr; }
  .comfort-buttons { grid-template-columns: repeat(4, 1fr); }
  .charts { grid-template-columns: 1fr; }
}