:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #2563eb;
  --accent-bg: #eff6ff;
  --panel: #fafafa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214;
    --fg: #eaeaea;
    --muted: #9aa0a6;
    --line: #2a2c30;
    --accent: #5b9bff;
    --accent-bg: #16233b;
    --panel: #18191b;
  }
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0 16px 48px;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
}

h1 {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 28px 0 4px;
}

.sub {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
}

select, input[type="date"] {
  font: inherit;
  font-size: 0.9rem;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--fg);
}

.scope-toggle {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.scope-toggle button {
  font: inherit;
  font-size: 0.85rem;
  padding: 7px 14px;
  border: none;
  background: var(--panel);
  color: var(--fg);
  cursor: pointer;
}

.scope-toggle button.active {
  background: var(--accent);
  color: #fff;
}

.ranges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.ranges button {
  font: inherit;
  font-size: 0.82rem;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--fg);
  cursor: pointer;
}

.ranges button.active {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
}

.custom-range {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 24px;
  font-size: 0.85rem;
  color: var(--muted);
}

.stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 20px 0 4px;
}

.stat .value {
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
}

.stat .unit {
  font-size: 1.1rem;
  color: var(--muted);
}

.stat-label {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.chart-wrap {
  position: relative;
  height: 260px;
  margin: 8px 0 28px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-bottom: 8px;
}

h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 32px 0 12px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.cmp-years {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 20px;
}

.cmp-years input {
  width: 60px;
  text-align: center;
  margin: 0 6px;
}

.cmp-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 8px 0 4px;
  flex-wrap: wrap;
}

.cmp-stat {
  text-align: center;
  min-width: 140px;
}

.cmp-stat .value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.cmp-stat .unit {
  font-size: 0.85rem;
  color: var(--muted);
}

.cmp-label {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 4px;
}

.cmp-delta {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-bg);
  border-radius: 999px;
  padding: 6px 14px;
}

.cmp-extra-toggle-row {
  text-align: center;
  margin: 4px 0 4px;
}

.cmp-extra-toggle {
  font: inherit;
  font-size: 0.8rem;
  padding: 5px 12px;
  border: 1px dashed var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.cmp-extra-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.cmp-extra-panel {
  text-align: center;
  margin-bottom: 12px;
}

.cmp-extra-label {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.cmp-extra-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 5px;
}

.cmp-extra-pills button {
  font: inherit;
  font-size: 0.75rem;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--fg);
  cursor: pointer;
}

.cmp-extra-pills button.active {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
}

.table-wrap {
  overflow-x: auto;
  margin: 4px 0 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

#compareTable {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.8rem;
  white-space: nowrap;
}

#compareTable th,
#compareTable td {
  padding: 6px 10px;
  text-align: right;
  border-bottom: 1px solid var(--line);
}

#compareTable th:first-child,
#compareTable td:first-child {
  text-align: left;
  position: sticky;
  left: 0;
  background: var(--bg);
}

#compareTable thead th {
  color: var(--muted);
  font-weight: 600;
  background: var(--panel);
  position: sticky;
  top: 0;
}

#compareTable thead th:first-child {
  z-index: 1;
}

#compareTable .avg-col {
  color: #e02424;
  font-weight: 600;
}

#compareTable .total-row td {
  font-weight: 700;
  border-top: 2px solid var(--line);
  border-bottom: none;
}

.coverage-note {
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 12px;
}

footer {
  margin-top: 32px;
  font-size: 0.75rem;
  color: var(--muted);
}

footer a { color: var(--muted); }

.hidden { display: none !important; }

.empty {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 24px 0;
}