:root {
  --bg: #0b0a12;
  --bg-elev: #14121f;
  --bg-card: #1a1728;
  --border: rgba(167, 139, 250, 0.18);
  --text: #f5f3ff;
  --muted: #a39bb8;
  --primary: #a78bfa;
  --accent: #818cf8;
  --accent-3: #c084fc;
  --success: #34d399;
  --danger: #f87171;
  --glow: rgba(167, 139, 250, 0.25);
  --radius: 14px;
  --font: "Outfit", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, color-mix(in srgb, var(--primary) 16%, transparent), transparent 50%),
    var(--bg);
  line-height: 1.45;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.demo-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--primary) 28%, transparent),
    color-mix(in srgb, var(--accent) 28%, transparent)
  );
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
  color: #ede9fe;
  text-align: center;
}

.demo-banner__badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--primary);
  color: #0f0a18;
}

.picker-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  max-width: 1200px;
  margin: 0.85rem auto 0;
  padding: 0.75rem 1.25rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--muted);
}

.picker-bar label {
  font-weight: 600;
  color: var(--text);
}

.picker-bar select {
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.45rem 0.75rem;
  cursor: pointer;
}

.picker-bar__hint {
  flex: 1 1 220px;
  font-size: 0.78rem;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 0.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand h1 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand__sub {
  margin: 0.1rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: 0 0 24px var(--glow);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--primary);
}

.topbar__controls {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.period-select select,
.btn-ghost {
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.55rem 0.85rem;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.period-select select:hover,
.btn-ghost:hover,
.period-select select:focus-visible,
.btn-ghost:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
  outline: none;
}

.layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

@media (max-width: 960px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .kpi-row { grid-template-columns: 1fr; }
}

.kpi-card {
  background: linear-gradient(160deg, var(--bg-card), #12101c);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.kpi-card__label {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.kpi-card__value {
  margin: 0.45rem 0 0.25rem;
  font-size: 1.75rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.kpi-card__delta {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 500;
}

.kpi-card__delta.up { color: var(--success); }
.kpi-card__delta.down { color: var(--danger); }

.grid-2 {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.15rem;
}

@media (max-width: 860px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.panel {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem 1.25rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.28);
}

.panel--wide { width: 100%; }

.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  margin-bottom: 0.85rem;
}

.panel__head h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.panel__hint {
  font-size: 0.78rem;
  color: var(--muted);
}

.chart-wrap {
  position: relative;
  height: 280px;
}

.chart-wrap--sm { height: 240px; }

.table-wrap { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid color-mix(in srgb, var(--primary) 12%, transparent);
}

.data-table th {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
}

.data-table tbody tr {
  transition: background 0.12s;
}

.data-table tbody tr:hover {
  background: color-mix(in srgb, var(--primary) 8%, transparent);
}

.data-table td:first-child {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--primary);
  width: 2rem;
}

.data-table .metric {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.legend-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
}

.legend-list li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.region-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.region-card {
  text-align: left;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: inherit;
  cursor: pointer;
  font-family: var(--font);
  transition: border-color 0.15s, transform 0.15s, box-shadow 0.15s;
}

.region-card:hover,
.region-card:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 0 20px var(--glow);
  outline: none;
  transform: translateY(-1px);
}

.region-card.is-active {
  border-color: var(--primary);
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--primary) 14%, transparent),
    var(--bg-card)
  );
}

.region-card__name {
  margin: 0;
  font-weight: 600;
  font-size: 0.95rem;
}

.region-card__rev {
  margin: 0.35rem 0 0;
  font-size: 1.15rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.region-card__meta {
  margin: 0.25rem 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.5rem 1.25rem 2.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid color-mix(in srgb, var(--primary) 14%, transparent);
}

.site-footer p { margin: 0.65rem 0 0; }
.site-footer__note { font-size: 0.75rem; opacity: 0.85; }
.site-footer strong { color: #ddd6fe; font-weight: 600; }