:root {
  color-scheme: light dark;
  --bg: #fafaf7;
  --surface: #ffffff;
  --border: #e6e4dc;
  --text: #1a1a1a;
  --text-dim: #6b6b6b;
  --accent: #e8b900;
  --accent-soft: #fff3b0;
  --danger: #c2410c;
  --font:
    ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --mono:
    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141412;
    --surface: #1d1d1b;
    --border: #2a2a27;
    --text: #f2f0ea;
    --text-dim: #9a9890;
    --accent: #f5cc17;
    --accent-soft: #3d3419;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand h1 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.range {
  display: inline-flex;
  gap: 2px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px;
}

.range button {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--text-dim);
  font: inherit;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 120ms, color 120ms;
}

.range button:hover {
  color: var(--text);
}

.range button[aria-selected="true"] {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

/* ---------- Filter bar ---------- */
.filterbar {
  max-width: 1280px;
  margin: 20px auto 0;
  padding: 0 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.filter {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 160px;
  flex: 1 1 160px;
  max-width: 260px;
}

.filter span {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.filter select {
  appearance: none;
  -webkit-appearance: none;
  background: var(--surface)
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path fill='%236b6b6b' d='M6 9L2 5h8z'/></svg>")
    no-repeat right 10px center;
  background-size: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
  padding: 8px 32px 8px 12px;
  cursor: pointer;
  transition: border-color 120ms;
}

.filter select:hover {
  border-color: var(--text-dim);
}

.filter select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.reset {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  font: inherit;
  line-height: 1;
  padding: 0 14px;
  height: 35px;
  cursor: pointer;
  transition: color 120ms, border-color 120ms, opacity 120ms;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.reset:hover:not(:disabled) {
  color: var(--text);
  border-color: var(--text-dim);
}

.reset:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}


main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 32px 64px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 84px;
}

.card-label {
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-value {
  font-size: 24px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.card-sub {
  color: var(--text-dim);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 22px;
}

.panel h2 {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.chart-wrap {
  position: relative;
  height: 260px;
}

.chart-wrap.short {
  height: 200px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.footnote {
  color: var(--text-dim);
  font-size: 12px;
  margin: 8px 0 0;
  line-height: 1.6;
}

.error {
  position: fixed;
  bottom: 24px;
  right: 24px;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--danger);
  color: var(--danger);
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-family: var(--mono);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

@media (max-width: 640px) {
  .topbar {
    padding: 16px 20px;
  }
  .filterbar {
    padding: 0 16px;
  }
  main {
    padding: 16px 16px 48px;
  }
}