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

:root {
  --navy:   #1a1a2e;
  --white:  #ffffff;
  --bg:     #f4f5f7;
  --card:   #ffffff;
  --text:   #2d2d2d;
  --muted:  #6b7280;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0,0,0,0.08);
}

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* ── Navigation ── */
nav {
  background: var(--navy);
  padding: 0.9rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.nav-brand {
  color: var(--white);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.nav-brand:hover { opacity: 0.85; }

/* ── Main layout ── */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ── Page header ── */
.page-header { margin-bottom: 2rem; }
.page-header h1 { margin: 0 0 0.4rem; color: var(--navy); font-size: 1.75rem; }
.subtitle { margin: 0; color: var(--muted); font-size: 0.9rem; }

/* ── Region grid (index) ── */
.region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}
.region-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border-top: 3px solid var(--navy);
}
.region-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}
.region-card h2 { margin: 0 0 0.6rem; font-size: 1.05rem; color: var(--navy); }
.region-card .stat { margin: 0 0 0.3rem; font-weight: 600; color: var(--text); }
.region-card .meta { margin: 0; font-size: 0.82rem; color: var(--muted); }
.region-card .no-data { color: #d97706; }

/* ── Region detail ── */
.region-header { margin-bottom: 1.5rem; }
.region-title-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.region-title-row h1 { margin: 0; color: var(--navy); font-size: 1.75rem; }
.last-updated { margin: 0.3rem 0 0; font-size: 0.85rem; color: var(--muted); }

/* ── Charts ── */
.chart-wrapper {
  background: var(--card);
  border-radius: var(--radius);
  padding: 0.75rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

/* ── Data table ── */
.table-wrapper {
  background: var(--card);
  border-radius: var(--radius);
  padding: 0.75rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  overflow-x: auto;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  white-space: nowrap;
}
.data-table th, .data-table td {
  padding: 0.5rem 0.7rem;
  text-align: right;
  border-bottom: 1px solid #ececec;
}
.data-table th:nth-child(1), .data-table td:nth-child(1),
.data-table th:nth-child(2), .data-table td:nth-child(2),
.data-table th:nth-child(3), .data-table td:nth-child(3) {
  text-align: left;
}
.data-table thead th {
  color: var(--navy);
  font-weight: 600;
  border-bottom: 2px solid var(--navy);
  white-space: nowrap;
}
.data-table tbody tr:hover { background: #f8f9fa; }
.data-table tr.result-row {
  background: #fff7e6;
  font-weight: 600;
}
.data-table tr.result-row:hover { background: #ffefc7; }
.party-swatch {
  display: inline-block;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 2px;
  margin-right: 0.35rem;
  vertical-align: middle;
  border: 1px solid rgba(0,0,0,0.15);
}

/* ── Sources box ── */
.sources {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  box-shadow: var(--shadow);
  margin-top: 0.5rem;
}
.sources h3 { margin: 0 0 0.75rem; font-size: 1rem; color: var(--navy); }
.sources ul { margin: 0; padding-left: 1.3rem; }
.sources li { margin-bottom: 0.3rem; font-size: 0.875rem; color: var(--muted); }

/* ── Empty state ── */
.empty-state {
  background: var(--card);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  color: var(--muted);
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

/* ── Buttons ── */
.btn-refresh {
  background: var(--navy);
  color: var(--white);
  border: none;
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}
.btn-refresh:hover:not(:disabled) { background: #2d2d50; }
.btn-refresh:disabled { opacity: 0.55; cursor: not-allowed; }

/* ── Footer ── */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.8rem;
  color: var(--muted);
}
footer a { color: var(--muted); }