:root {
  --bg: #f1f5f9;
  --panel: #ffffff;
  --ink: #1e293b;
  --ink-muted: #64748b;
  --accent: #0369a1;
  --line: #e2e8f0;
  --good: #15803d;
  --obs: #16a34a;
  --fc: #2563eb;
  --winner-bg: #f0fdf4;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", "IBM Plex Sans", system-ui, sans-serif;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
}

header {
  padding: 14px 20px 10px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.header-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

h1 { font-size: 18px; font-weight: 700; }
h2 { font-size: 14px; font-weight: 600; margin-bottom: 10px; }

.window-info {
  font-size: 12px;
  color: var(--ink-muted);
  font-family: monospace;
  background: var(--bg);
  padding: 2px 8px;
  border-radius: 4px;
}

.subtitle {
  margin-top: 4px;
  color: var(--ink-muted);
  font-size: 12px;
}

main {
  display: grid;
  grid-template-columns: minmax(480px, 2fr) 340px;
  gap: 12px;
  padding: 12px;
  align-items: start;
}

.col-left, .col-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
}

#map {
  width: 100%;
  height: clamp(380px, 52vh, 660px);
  border-radius: 8px;
}

.map-legend {
  margin-top: 8px;
  font-size: 12px;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  vertical-align: middle;
}

.obs-dot { background: #22c55e; border: 2px solid #15803d; }
.fc-dot  { background: #60a5fa; border: 2px solid #1d4ed8; }

.legend-arrow { font-size: 14px; }
.obs-arrow { color: #16a34a; }
.fc-arrow  { color: #2563eb; }

/* chart */
.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 6px;
}

/* mode pills */
.mode-pills {
  display: flex;
  gap: 4px;
}
.mode-pill {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-muted);
  padding: 3px 8px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--bg);
  transition: background 0.1s, color 0.1s;
  gap: 4px;
}
.mode-pill input[type="radio"],
.mode-pill input[type="checkbox"] { display: none; }
.mode-pill:has(input:checked) {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.mode-pill-sep {
  margin-left: 6px;
  border-style: dashed;
}

/* model toggles */
.model-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
}
.model-toggle {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px 3px 7px;
  border-radius: 20px;
  border: 1.5px solid var(--mt-color, #94a3b8);
  background: transparent;
  color: var(--mt-color, #64748b);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: background 0.1s, color 0.1s;
}
.model-toggle .mt-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--mt-color, #94a3b8);
  flex-shrink: 0;
}
.model-toggle.active {
  background: var(--mt-color, #94a3b8);
  color: #fff;
}
.model-toggle.active .mt-dot { background: rgba(255,255,255,0.8); }
.mt-run { font-size: 9px; font-weight: 400; opacity: 0.75; margin-left: 3px; }

.chart-sublabel {
  font-size: 11px;
  color: var(--ink-muted);
  font-weight: 600;
  margin-bottom: 2px;
}

.chart-status {
  font-size: 12px;
  color: var(--ink-muted);
  min-height: 16px;
  margin-bottom: 4px;
}
.chart-status.warn { color: #b45309; }

#timePlot, #dirPlot {
  width: 100%;
  display: block;
}
#timePlot { height: 170px; }
#dirPlot  { height: 130px; }

.chart-footer {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.legend-swatch {
  display: inline-block;
  width: 18px;
  height: 3px;
  vertical-align: middle;
  border-radius: 2px;
}

.obs-swatch { background: #16a34a; }
.fc-swatch  { background: #2563eb; }
.chart-tz   { margin-left: auto; font-family: monospace; }

/* controls */
.controls { display: flex; flex-direction: column; gap: 8px; }

label {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 12px;
  color: var(--ink-muted);
  font-weight: 500;
}

input, select {
  padding: 7px 9px;
  border-radius: 6px;
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink);
  background: var(--bg);
  width: 100%;
}

input:focus, select:focus {
  outline: 2px solid var(--accent);
  border-color: transparent;
}

button {
  padding: 9px 14px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.12s;
}

button:hover { background: #075985; }
button:disabled { background: #94a3b8; cursor: not-allowed; }

.meta-block {
  font-size: 12px;
  color: var(--ink-muted);
  padding: 8px;
  background: var(--bg);
  border-radius: 6px;
  min-height: 36px;
  line-height: 1.7;
}

.meta-row { display: flex; gap: 4px; align-items: baseline; flex-wrap: wrap; }
.meta-label { font-weight: 600; color: var(--ink); }
.meta-error { color: #dc2626; }

/* table */
table { width: 100%; border-collapse: collapse; }

th {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 5px 7px;
  border-bottom: 2px solid var(--line);
  text-align: left;
  cursor: help;
}

td {
  padding: 6px 5px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

tr:last-child td { border-bottom: none; }
tr.winner-row td { background: var(--winner-bg); }
td.winner-cell { color: var(--good); font-weight: 700; }
td.model-cell { font-family: monospace; font-size: 11px; }

/* ranking table — fixed layout so it stays within the 290px panel */
#ranking {
  table-layout: fixed;
}
#ranking th, #ranking td {
  padding: 4px 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 11px;
}
#ranking th {
  font-size: 10px;
  padding-bottom: 6px;
}
#ranking th:nth-child(1), #ranking td:nth-child(1) { width: 32%; }  /* model */
#ranking th:nth-child(2), #ranking td:nth-child(2) { width: 15%; }  /* vec rmse */
#ranking th:nth-child(3), #ranking td:nth-child(3) { width: 15%; }  /* rmse ws */
#ranking th:nth-child(4), #ranking td:nth-child(4) { width: 14%; }  /* bias ws */
#ranking th:nth-child(5), #ranking td:nth-child(5) { width:  9%; }  /* n */
#ranking th:nth-child(6), #ranking td:nth-child(6) { width: 15%; }  /* status */
#ranking td.model-cell { font-size: 10px; }

.badge {
  display: inline-block;
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 9999px;
  font-weight: 600;
}

.badge-ok   { background: #dcfce7; color: #15803d; }
.badge-insuf { background: #fef9c3; color: #854d0e; }
.badge-excl  { background: #fee2e2; color: #991b1b; }

/* stations */
#stations {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 340px;
  overflow-y: auto;
}

.station-item {
  font-size: 12px;
  padding: 6px 8px;
  border-radius: 6px;
  background: var(--bg);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 8px;
  align-items: start;
}

.station-id {
  font-weight: 700;
  font-family: monospace;
  font-size: 11px;
}

.station-detail { color: var(--ink-muted); font-size: 11px; line-height: 1.5; }

.source-tag {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 4px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 2px;
}

.source-knmi        { background: #dbeafe; color: #1d4ed8; }
.source-isd         { background: #fce7f3; color: #9d174d; }
.source-meteofrance { background: #fef3c7; color: #92400e; }
.source-metar       { background: #d1fae5; color: #065f46; }
.source-brightsky   { background: #ede9fe; color: #5b21b6; }
.source-other       { background: #f1f5f9; color: #475569; }

/* ── Tab navigation ─────────────────────────────────────────────────────────── */
.tab-nav {
  display: flex;
  gap: 4px;
  align-items: center;
}

.tab {
  padding: 4px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--line);
  background: var(--bg);
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.1s, color 0.1s, border-color 0.1s;
}

.tab:hover { background: #e0e7ef; }

.tab.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.tab-panel { display: none !important; }
.tab-panel.active { display: block !important; }

/* ── Forecast layout ────────────────────────────────────────────────────────── */
.fc-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 12px;
  padding: 12px;
  align-items: start;
}

.fc-map-section {
  position: sticky;
  top: 12px;
}

#fcMap {
  width: 100%;
  height: clamp(400px, 65vh, 700px);
  border-radius: 10px;
  border: 1px solid var(--line);
  display: block;
}

.fc-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.fc-controls label {
  flex-direction: row;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-muted);
  white-space: nowrap;
}

.fc-controls input[type="number"] {
  width: 70px;
  padding: 5px 7px;
  font-size: 12px;
}

.fc-status {
  font-size: 12px;
  color: var(--ink-muted);
}

/* Forecast Plotly container */
#fcCharts > div {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
}

/* Forecast table */
.fc-table-heading {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

.fc-table-scroll {
  max-height: 420px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.fc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  table-layout: fixed;
}

.fc-table th {
  position: sticky;
  top: 0;
  background: var(--panel);
  z-index: 1;
  font-size: 10px;
  padding: 6px 5px;
  border-bottom: 2px solid var(--line);
  text-align: right;
  white-space: nowrap;
}

.fc-table th:first-child { text-align: left; }

.fc-table td {
  padding: 5px 5px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  text-align: right;
}

.fc-table tr:last-child td { border-bottom: none; }
.fc-table tr:hover td { background: var(--bg) !important; filter: brightness(0.97); }

.fc-time {
  font-family: monospace;
  font-size: 11px;
  text-align: left !important;
  white-space: nowrap;
  color: var(--ink-muted);
}

.fc-num {
  font-variant-numeric: tabular-nums;
  transition: background 0.1s;
}

.note-col { width: 110px; text-align: left !important; }

.note-cell {
  text-align: left !important;
  background: #f8fafc;
  color: var(--ink);
  min-width: 90px;
  cursor: text;
  border-radius: 3px;
  outline: none;
}

.note-cell:focus { background: #fffbeb; box-shadow: inset 0 0 0 1.5px var(--accent); }

/* Column widths */
.fc-table th:nth-child(1), .fc-table td:nth-child(1) { width: 80px; }
.fc-table th:nth-child(2), .fc-table td:nth-child(2) { width: 58px; }
.fc-table th:nth-child(3), .fc-table td:nth-child(3) { width: 58px; }
.fc-table th:nth-child(4), .fc-table td:nth-child(4) { width: 50px; }
.fc-table th:nth-child(5), .fc-table td:nth-child(5) { width: 58px; }
.fc-table th:nth-child(6), .fc-table td:nth-child(6) { width: 110px; }

@media (max-width: 900px) {
  .fc-layout {
    grid-template-columns: 1fr;
  }
  .fc-map-section { position: static; }
  #fcMap { height: 55vw; min-height: 300px; }
}

@media (max-width: 860px) {
  main { grid-template-columns: 1fr; }
  #map { height: 55vw; min-height: 320px; }
}