/*
 * Weather dashboard styles: dark, minimal, Grafana-style panels.
 * UI chrome colors live here; data/series colors live in charts.js.
 */
:root {
  --bg: #0f1419;
  --bg-raised: #161b22;
  --card: #181e26;
  --text: #e6edf3;
  --text-strong: #ffffff;
  --muted: #8b949e;
  --border: #30363d;
  --accent: #5dc97c;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
}
body {
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
}
a { color: var(--accent); }
a:hover { color: var(--text-strong); }

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ------------------------------------------------------------------ */
/* Header & toolbar                                                    */
/* ------------------------------------------------------------------ */
header.site-header {
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
  margin-bottom: 2rem;
}
header.site-header h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 .25rem 0;
  color: var(--text-strong);
}
header.site-header .subtitle {
  color: var(--muted);
  font-size: .95rem;
}
.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-top: 1rem;
}
.toolbar .last-update { color: var(--muted); font-size: .9rem; }
.toolbar .last-update strong { color: var(--text-strong); }
.toolbar .bucket-note { color: var(--muted); font-size: .85rem; }

/* Range preset buttons. */
.range-selector {
  display: inline-flex;
}
.range-selector .btn {
  min-width: 64px;
  padding: .35rem .75rem;
  font-size: .9rem;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  cursor: pointer;
}
.range-selector .btn:first-child { border-radius: 6px 0 0 6px; }
.range-selector .btn:last-child { border-radius: 0 6px 6px 0; }
.range-selector .btn + .btn { border-left: none; }
.range-selector .btn:hover {
  background: var(--bg-raised);
  color: var(--text-strong);
  border-color: var(--accent);
}
.range-selector .btn.active {
  background: var(--accent);
  color: #0f1419;
  border-color: var(--accent);
  font-weight: 600;
}

/* Calendar date range picker. */
.date-picker {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .35rem .6rem;
}
.date-picker label {
  color: var(--muted);
  font-size: .8rem;
  margin: 0;
}
.date-picker input[type="date"] {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: .85rem;
  padding: .1rem .2rem;
  color-scheme: dark;
}
.date-picker input[type="date"]:focus { outline: 1px solid var(--accent); }
.date-picker .apply-btn {
  background: var(--accent);
  color: #0f1419;
  border: none;
  border-radius: 4px;
  padding: .3rem .7rem;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
}
.date-picker .apply-btn:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.refresh-indicator {
  color: var(--muted);
  font-size: .85rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.refresh-indicator .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #454d57;
  transition: background .3s;
}
.refresh-indicator.live .dot { background: var(--accent); }
.refresh-indicator.loading .dot { background: #c98500; animation: pulse 1s infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .3; }
}

.nav-link-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: .35rem .75rem;
  font-size: .85rem;
  border-radius: 6px;
  text-decoration: none;
  margin-left: auto;
}
.nav-link-btn:hover {
  color: var(--text-strong);
  border-color: var(--accent);
}

/* ------------------------------------------------------------------ */
/* Panel sections & chart cards                                        */
/* ------------------------------------------------------------------ */
section.panel-section { margin-bottom: 2.5rem; }
section.panel-section h2 {
  font-size: 1.2rem;
  font-weight: 600;
  padding-bottom: .5rem;
  margin: 0 0 1rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-strong);
}
section.panel-section h2 .unit {
  color: var(--muted);
  font-size: .9rem;
  font-weight: 400;
}

.panel-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
@media (max-width: 992px) {
  .panel-row { grid-template-columns: 1fr; }
}

.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1rem .75rem 1rem;
  display: flex;
  flex-direction: column;
}
.chart-card .card-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: .5rem;
  text-align: center;
}
.chart-card .chart {
  width: 100%;
  height: 240px;
}
.chart-card .chart.windrose { height: 320px; }

/* Stat table below each chart (Name | Mean | Last | Min | Max). */
.stat-table {
  margin-top: .5rem;
  padding-top: .5rem;
  border-top: 1px solid var(--border);
  font-size: .8rem;
  width: 100%;
  color: var(--muted);
}
.stat-table table {
  width: 100%;
  border-collapse: collapse;
}
.stat-table th {
  font-weight: 400;
  color: var(--muted);
  text-align: right;
  padding: .15rem .35rem;
  font-size: .72rem;
}
.stat-table th:first-child { text-align: left; }
.stat-table td {
  padding: .15rem .35rem;
  text-align: right;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.stat-table td.series-label {
  text-align: left;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.stat-table td.series-label .swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

.no-data {
  color: var(--muted);
  font-size: .9rem;
  text-align: center;
  padding: 2rem 0;
}
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 20, 25, .88);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  font-size: 1.1rem;
  color: var(--muted);
}
.loading-overlay.hidden { display: none; }

footer.site-footer {
  color: var(--muted);
  font-size: .8rem;
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}