:root {
  --navy: #1B3A5C;
  --navy-light: #2A5078;
  --navy-dark: #0F2640;
  --accent: #3A8FD6;
  --accent-light: #5AABEE;
  --surface: #F5F7FA;
  --surface-alt: #FFFFFF;
  --text: #1A1A2E;
  --text-muted: #6B7280;
  --border: #E2E6EC;
  --success: #22C55E;
  --warning: #F59E0B;
  --danger: #EF4444;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--surface);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.site-header {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy), var(--navy-light));
  color: #fff;
  padding: 1.5rem 2rem;
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
}
.brand:hover { opacity: 0.9; }
.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  object-fit: contain;
  background: #fff;
  padding: 2px;
}
.brand-name {
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.header-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.header-sub {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-left: auto;
}

/* Controls */
.controls {
  max-width: 1400px;
  margin: 1.25rem auto 0;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.metric-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.metric-selector label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.metric-selector select {
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.45rem 2rem 0.45rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-alt);
  color: var(--text);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
}
.metric-selector select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(58,143,214,0.15);
}
.nrw-summary {
  display: flex;
  gap: 1.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.nrw-summary .summary-item {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}
.nrw-summary .summary-value {
  font-weight: 700;
  color: var(--navy);
  font-size: 0.95rem;
}

/* Main grid */
.dashboard {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1rem 2rem;
}
.main-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 1rem;
  margin-top: 1rem;
  min-height: 560px;
}

/* Map */
.map-container {
  position: relative;
  background: var(--surface-alt);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
#map {
  width: 100%;
  height: 100%;
  min-height: 560px;
  z-index: 1;
}

/* Legend */
.legend {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(4px);
  padding: 10px 14px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 400;
  font-size: 0.78rem;
}
.legend-title {
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--navy);
}
.legend-scale {
  display: flex;
  align-items: stretch;
  height: 14px;
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 4px;
}
.legend-scale span {
  flex: 1;
  display: block;
}
.legend-labels {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.72rem;
}

/* Detail panel */
.detail-panel {
  background: var(--surface-alt);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-y: auto;
  max-height: 640px;
}
.detail-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 300px;
  color: var(--text-muted);
  text-align: center;
  padding: 2rem;
}
.placeholder-icon { opacity: 0.4; margin-bottom: 0.75rem; }
.detail-content {
  padding: 1.25rem;
  position: relative;
}
.detail-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  padding: 0.25rem;
}
.detail-close:hover { color: var(--text); }
.detail-content h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  padding-right: 2rem;
}
.detail-bez {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.detail-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}
.stat-card {
  background: var(--surface);
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
}
.stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 2px;
}
.stat-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
}
.stat-value.positive { color: var(--success); }
.stat-value.negative { color: var(--danger); }
.detail-chart-wrap, .detail-comparison {
  margin-bottom: 1.25rem;
  position: relative;
  height: 200px;
}
.detail-chart-wrap h3, .detail-comparison h3 {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}

/* Ranking */
.ranking-section {
  margin-top: 1.5rem;
}
.ranking-section h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
}
.ranking-table-wrap {
  background: var(--surface-alt);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  max-height: 440px;
  overflow-y: auto;
}
.ranking-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.ranking-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}
.ranking-table th {
  background: var(--navy);
  color: #fff;
  padding: 0.6rem 0.75rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.ranking-table th:hover { background: var(--navy-light); }
.ranking-table th.sort-asc::after { content: " ▲"; font-size: 0.65rem; }
.ranking-table th.sort-desc::after { content: " ▼"; font-size: 0.65rem; }
.ranking-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
}
.ranking-table tbody tr {
  cursor: pointer;
  transition: background 0.15s;
}
.ranking-table tbody tr:hover { background: rgba(58,143,214,0.06); }
.ranking-table tbody tr.active { background: rgba(58,143,214,0.12); }

/* Footer */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.65);
  padding: 1.5rem 2rem;
  font-size: 0.78rem;
  text-align: center;
  margin-top: 2rem;
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
}
.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
}
.footer-logo {
  border-radius: 4px;
  object-fit: contain;
}
.site-footer a {
  color: var(--accent-light);
  text-decoration: none;
  font-weight: 500;
}
.site-footer a:hover { text-decoration: underline; }
.footer-sources, .footer-license { margin-top: 0.2rem; }

/* Responsive */
@media (max-width: 900px) {
  .main-grid {
    grid-template-columns: 1fr;
  }
  .detail-panel {
    max-height: none;
  }
  #map { min-height: 400px; }
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .header-sub { margin-left: 0; }
}

/* Leaflet tooltip/popup overrides */
.leaflet-tooltip {
  font-family: 'Inter', sans-serif;
  font-size: 0.82rem;
  padding: 6px 10px;
  border-radius: 6px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.kreis-tooltip-name {
  font-weight: 600;
  color: var(--navy);
}
.kreis-tooltip-value {
  color: var(--text-muted);
  font-size: 0.78rem;
}