/* Coastal Traffic Authority — Observatory styles */
:root {
  --bg: #f5f3ef;
  --panel: #ffffff;
  --ink: #1c1c1c;
  --muted: #5c5f64;
  --line: #d9d5ce;
  --accent: #1f6f8b;
  --accent-dim: #9ec3cd;
  --class-cargo: #7a5c33;
  --class-tanker: #8a4b4b;
  --class-passenger: #2e6e4e;
  --class-fishing: #b5892a;
  --class-service: #1f6f8b;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0s !important; transition-duration: 0s !important; }
}

html { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  font-size: 14px;
}
h1, h2, h3 { margin: 0 0 0.4rem 0; line-height: 1.2; }
h1 { font-size: 1.5rem; letter-spacing: 0.2px; }
h2 { font-size: 1.1rem; }
h3 { font-size: 1rem; margin-top: 1rem; }
p { margin: 0 0 0.8rem 0; }
a { color: var(--accent); text-decoration: underline; }
.tnum { font-variant-numeric: tabular-nums; }

header { padding: 1.4rem 1rem 1rem; border-bottom: 1px solid var(--line); background: var(--panel); }
header p { color: var(--muted); font-size: 0.95rem; margin-top: 0.25rem; }

.toolbar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 280px));
  gap: 1rem;
  padding: 1rem;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  align-items: end;
}
.filter-group { display: flex; flex-direction: column; gap: 0.4rem; }
.filter-group label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.4px; text-transform: uppercase; color: var(--muted); }
.chip-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.25rem 0.6rem; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; color: var(--ink); font-size: 0.85rem; cursor: pointer;
}
.chip.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.month-pick { display: flex; gap: 0.4rem; align-items: center; }
.month-pick select { padding: 0.25rem 0.5rem; font-size: 0.9rem; background: #fff; border: 1px solid var(--line); border-radius: 6px; }
.toggle-label { display: flex; align-items: center; gap: 0.4rem; font-size: 0.9rem; cursor: pointer; }
.filter-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; margin-left: auto; }
.filter-actions button { padding: 0.35rem 0.9rem; font-size: 0.85rem; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink); cursor: pointer; }
.filter-actions button:hover { border-color: var(--muted); }
.filter-actions button:disabled { opacity: 0.5; cursor: not-allowed; }
.filter-actions button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.share-link { padding: 0.35rem 0.75rem; font-size: 0.85rem; border: 1px dashed var(--muted); border-radius: 6px; color: var(--muted); }
.share-link:hover { border-color: var(--accent); color: var(--accent); }

.counts { padding: 0.6rem 1rem; background: var(--panel); border-bottom: 1px solid var(--line); font-size: 0.95rem; display: flex; gap: 1rem; align-items: center; }
.counts b { color: var(--accent); font-variant-numeric: tabular-nums; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1rem;
  padding: 1rem;
  max-width: 1400px;
  margin: 0 auto;
}
@media (max-width: 1024px) { .grid { grid-template-columns: 1fr; max-width: 100%; padding: 1rem; } }
@media (max-width: 768px) { .grid { gap: 0.75rem; padding: 0.75rem; } }

.panel { background: var(--panel); padding: 1rem; border-radius: 8px; }
.panel > .panel-head { display: flex; justify-content: space-between; align-items: baseline; gap: 0.6rem; margin-bottom: 0.6rem; }
.panel-head h2 { font-size: 1rem; }
.chip { font-size: 0.72rem; padding: 0.12rem 0.5rem; border: 1px dashed var(--line); color: var(--muted); background: transparent; }

.chart-wrap { position: relative; min-height: 300px; }
.chart-svg { width: 100%; height: 100%; display: block; }
.chart-canvas { width: 100%; height: 100%; display: block; background: #faf9f6; }
#brush-layer { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; }

.summary { margin: 0.5rem 0 0.3rem; font-size: 0.88rem; color: var(--muted); }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.8rem; margin-top: 0.4rem; display: none; }
.data-table td, .data-table th { border: 1px solid var(--line); padding: 0.3rem 0.5rem; text-align: left; }
.data-table th { background: #f2f0ec; color: var(--muted); font-weight: 600; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.3px; }
.data-table caption { caption-side: top; text-align: left; font-size: 0.7rem; color: var(--muted); margin-bottom: 0.25rem; padding-left: 0.5rem; }
.data-table tr:nth-child(even) td { background: #faf9f6; }

.data-table.visible { display: table; }

.chart-wrap:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 6px; }

.st-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0.5rem; }
.st-case { border: 1px solid var(--line); border-radius: 6px; padding: 0.5rem 0.7rem; background: #fff; }
.st-case .st-name { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.3px; }
.st-case .st-val { font-size: 1rem; font-variant-numeric: tabular-nums; margin-top: 0.15rem; }
.st-case .st-ok { font-size: 0.78rem; margin-top: 0.2rem; }
.st-case .st-ok.pass { color: #2e6e4e; font-weight: 700; }
.st-case .st-ok.fail { color: #8a4b4b; font-weight: 700; }
.st-note { font-size: 0.82rem; color: var(--muted); margin-top: 0.6rem; }

.method-body { font-size: 0.9rem; color: #333; }
.method-body h3 { margin-top: 1.2rem; }
.method-body p, .method-body li { margin: 0.5rem 0; }
.status-list { font-size: 0.85rem; line-height: 1.8; color: #333; }
.status-list b { color: var(--accent); }

footer { padding: 1rem; font-size: 0.75rem; color: var(--muted); border-top: 1px solid var(--line); background: var(--panel); }

#framegraph { position: absolute; right: 0.5rem; bottom: 0.5rem; width: 140px; height: 70px; border: 1px solid var(--line); background: #fff; border-radius: 4px; pointer-events: none; z-index: 5; }
#framegraph svg { width: 140px; height: 70px; display: block; }
.fg-label { position: absolute; right: 0.7rem; bottom: 0.5rem; font-size: 0.7rem; color: var(--muted); font-variant-numeric: tabular-nums; }