/* Modern Fluid Styling for 2026 Election Analytics Dashboard */
:root {
  --bg-body: #F8FAFC;
  --bg-card: #FFFFFF;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  --blue-primary: #2563EB;
  --indigo-primary: #6366F1;
  --teal-primary: #0D9488;
  --sky-primary: #0284C7;
  --dem-color: #2563EB;
  --una-color: #64748B;
  --rep-color: #DC2626;
  --emerald-color: #10B981;
  --rose-color: #E11D48;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --radius-card: 10px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Header Banner */
.app-header {
  background: #0F172A;
  color: #FFFFFF;
  padding: 24px 20px;
  border-bottom: 3px solid var(--blue-primary);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.badge-pill {
  display: inline-block;
  background-color: var(--blue-primary);
  color: #FFFFFF;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  padding: 3px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.header-brand h1 {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 6px;
}

.header-meta {
  font-size: 12px;
  color: #94A3B8;
}

.source-link {
  color: #93C5FD;
  text-decoration: underline;
  transition: color 0.2s ease;
}

.source-link:hover {
  color: #BFDBFE;
}

.footer-link {
  color: var(--blue-primary);
  text-decoration: underline;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: #1D4ED8;
}

.disclaimer-tag {
  color: #F59E0B;
}

.btn-pdf {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #1E293B;
  color: #FFFFFF;
  border: 1px solid #334155;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-pdf:hover {
  background-color: var(--blue-primary);
  border-color: var(--blue-primary);
  color: #FFFFFF;
}

/* Navigation Tabs */
.nav-tabs-wrapper {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.tab-pills {
  display: flex;
  gap: 8px;
}

.tab-btn {
  background: transparent;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.tab-btn:hover {
  background-color: #F1F5F9;
  color: var(--text-main);
}

.tab-btn.active {
  background-color: #0F172A;
  color: #FFFFFF;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #10B981;
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #10B981;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

/* Main Content Layout */
.main-content {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 20px;
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.card-blue { border-top: 4px solid var(--blue-primary); }
.card-indigo { border-top: 4px solid var(--indigo-primary); }
.card-teal { border-top: 4px solid var(--teal-primary); }
.card-slate { border-top: 4px solid #0F172A; }
.card-sky { border-top: 4px solid var(--sky-primary); }

.kpi-header {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 6px;
}

.kpi-val {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
  margin-bottom: 4px;
}

.kpi-sub {
  font-size: 12px;
  color: var(--text-muted);
}

/* Party Bar inside KPI */
.party-bar-container {
  display: flex;
  height: 10px;
  border-radius: 5px;
  overflow: hidden;
  margin: 10px 0 8px 0;
  background-color: #E2E8F0;
}

.dem-bg { background-color: var(--dem-color); }
.una-bg { background-color: var(--una-color); }
.rep-bg { background-color: var(--rep-color); }

.party-legend-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
}

.text-dem { color: var(--dem-color); }
.text-una { color: var(--una-color); }
.text-rep { color: var(--rep-color); }

/* Tab Panes */
.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Section Cards & Grid */
.dashboard-section {
  margin-bottom: 24px;
}

.grid-2col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.card-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.card-header-bar h2 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
}

.card-badge {
  font-size: 11px;
  font-weight: 600;
  background-color: #F1F5F9;
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 4px;
}

.chart-container {
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.responsive-chart {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

/* Benchmark Matrix Table */
.table-responsive {
  overflow-x: auto;
  margin-top: 8px;
}

.benchmark-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.benchmark-table thead th {
  background-color: #0F172A;
  color: #FFFFFF;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: 0.3px;
}

.benchmark-table tbody tr {
  border-bottom: 1px solid #F1F5F9;
}

.benchmark-table tbody tr:nth-child(even) {
  background-color: #F8FAFC;
}

.benchmark-table tbody tr:hover {
  background-color: #F1F5F9;
}

.benchmark-table td {
  padding: 10px 14px;
}

.text-right { text-align: right; }
.font-bold { font-weight: 700; }
.text-blue { color: var(--blue-primary); }
.text-emerald { color: var(--emerald-color); }
.text-rose { color: var(--rose-color); }
.text-muted { color: var(--text-muted); }

.card-footer-note {
  margin-top: 14px;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
  border-top: 1px solid var(--border-color);
  padding-top: 10px;
}

/* Footer */
.app-footer {
  background-color: #FFFFFF;
  border-top: 1px solid var(--border-color);
  padding: 24px 20px;
  margin-top: 40px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-primary {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-secondary {
  font-size: 11px;
  color: #94A3B8;
  max-width: 800px;
  margin: 0 auto;
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
  }
  .btn-pdf {
    width: 100%;
    justify-content: center;
  }
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  .tab-pills {
    width: 100%;
  }
  .tab-btn {
    flex: 1;
    justify-content: center;
    font-size: 12px;
  }
}