/* Foundation: one accent, quiet surfaces, no external fonts. */
:root {
  --bg: #f5f6f4;
  --surface: #ffffff;
  --text: #1c2934;
  --muted: #5e6b74;
  --border: #dfe4e2;
  --accent: #246653;
  --accent-soft: #edf5f0;
  --warning: #805d20;
  --warning-soft: #fbf6e9;
  --closed: #626d78;
  --closed-soft: #f2f4f5;
  --radius-sm: 6px;
  --radius-md: 12px;
  --page-width: 1120px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
h1, h2, h3, p { margin: 0; }
button, select, input { font: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
main, .site-header, .site-footer { width: min(var(--page-width), calc(100% - 64px)); margin-inline: auto; }
.sr-only, .skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip-link:focus { display: block; padding: 12px; color: var(--accent); }

/* Header and the primary control. */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 28px;
  border-bottom: 1px solid var(--border);
}
h1 { font-size: 25px; letter-spacing: -1px; font-weight: 750; }
.brand-dot { color: var(--accent); }
.site-header p { color: var(--muted); font-size: 13px; margin-top: 2px; }
.header-context { font-size: 12px; color: var(--muted); }
.header-context span { padding-inline: 10px; color: var(--border); }
.location-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-block: 26px;
}
.location-control { width: min(100%, 470px); }
.location-control label { display: block; font-weight: 600; font-size: 12px; margin-bottom: 8px; }
select {
  width: 100%;
  padding: 12px;
  border: 1px solid #bdc8c3;
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  text-overflow: ellipsis;
  cursor: pointer;
}
select:disabled { cursor: wait; color: var(--muted); }
#status { font-size: 12px; color: var(--muted); max-width: 340px; padding-bottom: 12px; }

/* One continuous forecast surface, divided by purpose. */
.forecast-sheet {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 2px 4px rgb(28 41 52 / 3%);
}
.location-overview {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 36px;
  padding: 32px;
}
.eyebrow { font-size: 11px; font-weight: 650; text-transform: uppercase; letter-spacing: 1.2px; color: var(--muted); }
h2 { font-size: clamp(20px, 2.5vw, 26px); line-height: 1.3; letter-spacing: -0.6px; margin: 8px 0 12px; }
.current-status { font-size: 13px; font-weight: 550; color: var(--accent); }
.data-note { color: var(--muted); font-size: 12px; margin-top: 8px; }
.forecast-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; border-left: 1px solid var(--border); padding-left: 32px; }
.metric-label { font-size: 12px; color: var(--muted); }
.metric-value { font-size: 34px; line-height: 1.3; font-weight: 600; letter-spacing: -1px; margin-block: 5px; font-variant-numeric: tabular-nums; }
.metric-unit { font-size: 13px; font-weight: 400; letter-spacing: 0; color: var(--muted); }
.metric-detail { font-size: 11px; color: var(--muted); }
.freshness-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding: 12px 32px;
  background: #fafbf9;
  border-block: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
}
.freshness-strip strong { font-weight: 500; color: var(--text); margin-left: 4px; }
.best-times, .chart-section, .detail-section { padding: 26px 32px; }
.chart-section, .detail-section { border-top: 1px solid var(--border); }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px 24px; margin-bottom: 20px; }
h3 { font-size: 16px; font-weight: 650; letter-spacing: -0.2px; }
.section-heading p { font-size: 12px; color: var(--muted); }
.quiet-summary { display: grid; grid-template-columns: repeat(3, 1fr); list-style: none; padding: 0; margin: 0; gap: 24px; font-size: 13px; color: var(--muted); }
.quiet-summary li { border-left: 2px solid var(--accent); padding-left: 14px; }
.quiet-summary .empty-state { grid-column: 1 / -1; border: 0; padding: 0; }
.quiet-summary strong { display: block; font-size: 15px; color: var(--text); font-weight: 600; }
.quiet-summary span { display: block; margin-top: 4px; }

/* Native SVG chart; the full timeline remains available even when table rows are hidden. */
.chart-scroll, .table-scroll { overflow-x: auto; }
.chart-scroll svg { display: block; width: 100%; min-width: 560px; height: auto; }
.chart-grid { stroke: var(--border); stroke-width: 1; }
.chart-axis-label { fill: var(--muted); font-size: 11px; font-family: inherit; }
.chart-line { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; }
.chart-point { fill: var(--surface); stroke: var(--accent); stroke-width: 1.5; }
.chart-closed-band { fill: var(--closed-soft); }
.chart-partial-band { fill: var(--warning-soft); }
.chart-legend { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 12px; font-size: 11px; color: var(--muted); }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend i { display: inline-block; width: 14px; height: 9px; }
.legend-line { border-top: 2px solid var(--accent); height: 0 !important; }
.legend-closed { background: var(--closed-soft); border: 1px solid var(--border); }
.legend-partial { background: var(--warning-soft); border: 1px solid #e6d6af; }

/* Detailed forecast: state wording and restrained row treatments are preserved. */
.detail-heading { align-items: center; }
.detail-heading p { margin-top: 4px; }
.closed-toggle { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; cursor: pointer; white-space: nowrap; }
.closed-toggle input { width: 16px; height: 16px; accent-color: var(--accent); }
table { width: 100%; min-width: 570px; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: 13px 14px; text-align: left; border-bottom: 1px solid var(--border); }
thead th { font-size: 11px; font-weight: 600; color: var(--muted); }
td { font-size: 13px; }
td:first-child { font-weight: 500; white-space: nowrap; }
td:nth-child(2) { width: 20%; }
td:nth-child(3) { width: 25%; }
.day-divider th { background: #fafbf9; padding: 10px 14px; font-size: 11px; font-weight: 600; color: var(--muted); }
.quiet-hour { background: var(--accent-soft); font-weight: 600; }
.capacity-track { width: 100%; max-width: 140px; height: 4px; margin-top: 6px; overflow: hidden; background: var(--border); border-radius: 2px; }
.capacity-fill { height: 100%; background: var(--accent); border-radius: inherit; }
.availability-closed { background: var(--closed-soft); }
.availability-partial { background: var(--warning-soft); }
.availability-closed .availability-label { color: var(--closed); }
.availability-partial .availability-label, .availability-unknown .availability-label { color: var(--warning); }
.availability-label { font-size: 12px; }
.forecast-help { font-size: 12px; color: var(--muted); margin-top: 20px; }
.forecast-help summary { cursor: pointer; width: fit-content; }
.forecast-help p { margin-top: 10px; max-width: 700px; }
.empty-state { padding: 18px 0; color: var(--muted); font-size: 13px; }
.site-footer { display: flex; justify-content: space-between; gap: 16px; padding-block: 24px 32px; font-size: 11px; color: var(--muted); }

@media (max-width: 800px) {
  .location-overview { grid-template-columns: 1fr; gap: 24px; }
  .forecast-metrics { border-left: 0; border-top: 1px solid var(--border); padding: 20px 0 0; }
  .section-heading { flex-wrap: wrap; gap: 4px 16px; }
  .quiet-summary { gap: 16px; }
  .header-context { display: none; }
}
@media (max-width: 540px) {
  main, .site-header, .site-footer { width: calc(100% - 32px); }
  .site-header { padding-block: 20px; }
  .location-toolbar { display: block; padding-block: 20px; }
  #status { margin-top: 8px; padding: 0; }
  .location-overview, .best-times, .chart-section, .detail-section { padding: 22px 18px; }
  .freshness-strip { padding: 12px 18px; gap: 4px; flex-direction: column; }
  .quiet-summary { grid-template-columns: 1fr; gap: 16px; }
  .quiet-summary li { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 4px 12px; }
  .quiet-summary .empty-state { grid-column: 1 / -1; border: 0; padding: 0; }
.quiet-summary strong { font-size: 14px; }
  .quiet-summary span { margin-top: 0; }
  .detail-heading { gap: 14px; }
  .site-footer { flex-direction: column; gap: 4px; }
}

.chart-now { stroke: var(--text); stroke-width: 1; stroke-dasharray: 3 4; }
#forecast-freshness { flex-basis: 100%; }
#forecast-freshness[data-expired="true"] { color: var(--warning); font-weight: 500; }

.history-actual { stroke: var(--text); fill: var(--text); }
.history-predicted { stroke: var(--accent); fill: var(--accent); stroke-dasharray: 5 3; }
path.history-actual, path.history-predicted { fill: none; }
.legend-actual { border-top: 2px solid var(--text); margin-top: 7px; }
.legend-predicted { border-top: 2px dashed var(--accent); margin-top: 7px; }