:root {
  --bg: #f5f7fa;
  --card-bg: #ffffff;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e2e5ea;
  --go: #1a9e5c;
  --go-bg: #e6f7ee;
  --nogo: #c0392b;
  --nogo-bg: #fbe9e7;
  --maybe: #b8860b;
  --maybe-bg: #fbf3e0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card-bg: #1e2126;
    --text: #eef0f3;
    --muted: #9aa1ac;
    --border: #2c3038;
    --maybe: #e0b23d;
    --maybe-bg: #3a300f;
    --go: #3ddc84;
    --go-bg: #113322;
    --nogo: #ff6b5e;
    --nogo-bg: #3a1a17;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 1rem;
  max-width: 640px;
  margin-inline: auto;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

header { text-align: center; padding: 0.5rem 0 1rem; }
h1 { margin: 0; font-size: 1.6rem; }
.muted { color: var(--muted); font-size: 0.85rem; }

.live-check { margin-top: 0.6rem; }

.header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}
.recompute-btn {
  margin-top: 0.6rem;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
}
.recompute-btn:disabled { opacity: 0.5; cursor: default; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
}
.badge.go { background: var(--go-bg); color: var(--go); }
.badge.nogo { background: var(--nogo-bg); color: var(--nogo); }
.badge.maybe { background: var(--maybe-bg); color: var(--maybe); }

.day-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.day-card h2 { margin: 0 0 0.75rem; font-size: 1.05rem; }

.check-row { padding: 0.55rem 0; }
.check-top { display: flex; align-items: center; justify-content: space-between; }
.check-label { font-size: 0.95rem; }
.check-explain {
  margin-top: 0.35rem;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.5;
}

.scale-bar { display: flex; gap: 2px; margin-top: 0.35rem; }
.scale-block { flex: 1 1 0; height: 6px; border-radius: 2px; background: var(--border); }
.scale-block.go { background: var(--go); }
.scale-block.nogo { background: var(--nogo); }
.scale-block.maybe { background: var(--maybe); }

.live-trend-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.live-trend-station {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.5rem 0.7rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: left;
  transition: background 0.3s, border-color 0.3s;
  --viz-grid: #e1e0d9;
  --viz-muted: #898781;
  --viz-series-1: #2a78d6;
  --viz-series-2: #eb6834;
}
@media (prefers-color-scheme: dark) {
  .live-trend-station { --viz-grid: #2c2c2a; --viz-series-1: #3987e5; --viz-series-2: #d95926; }
}
:root[data-theme="dark"] .live-trend-station { --viz-grid: #2c2c2a; --viz-series-1: #3987e5; --viz-series-2: #d95926; }

.live-trend-label { font-weight: 600; font-size: 0.85rem; }
.live-trend-value { font-size: 1.3rem; font-weight: 700; color: var(--text); }
.live-trend-current { font-size: 0.85rem; }
.trend-spark { width: 100%; height: 130px; display: block; margin-top: 0.3rem; }

#webcams { margin-bottom: 1rem; }
#webcams h2 { margin: 0 0 0.75rem; font-size: 1.05rem; }

.viz-root {
  margin-top: 0.75rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.75rem 1rem;
  --viz-grid: #e1e0d9;
  --viz-muted: #898781;
  --viz-series-1: #2a78d6;
  --viz-series-2: #eb6834;
}
@media (prefers-color-scheme: dark) {
  .viz-root {
    --viz-grid: #2c2c2a;
    --viz-muted: #898781;
    --viz-series-1: #3987e5;
    --viz-series-2: #d95926;
  }
}
:root[data-theme="dark"] .viz-root {
  --viz-grid: #2c2c2a;
  --viz-muted: #898781;
  --viz-series-1: #3987e5;
  --viz-series-2: #d95926;
}

.viz-root h3 {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
}

.viz-legend {
  display: flex;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text);
  margin-bottom: 0.4rem;
}
.viz-legend-item { display: inline-flex; align-items: center; gap: 0.35rem; }
.viz-legend-key { display: inline-block; width: 14px; height: 2px; border-radius: 1px; }

.viz-chart-container { position: relative; }
.viz-svg { width: 100%; height: 220px; display: block; overflow: visible; }

.viz-tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.55rem;
  font-size: 0.78rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  transform: translate(-50%, -110%);
  white-space: nowrap;
  z-index: 5;
}
.viz-tooltip .tt-value { font-weight: 600; }
.viz-tooltip .tt-key { display: inline-block; width: 10px; height: 2px; margin-right: 0.3rem; vertical-align: middle; }

.webcam-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.webcam-stacked { flex-direction: column; }

.webcam-card {
  flex: 1 1 200px;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  text-decoration: none;
  color: var(--text);
}
.webcam-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 0.3rem;
  background: var(--border);
}
.webcam-title { font-weight: 600; font-size: 0.9rem; }

footer { text-align: center; padding: 1rem 0 2rem; }