/* Inter Font Loading */
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg-color: #0f172a;
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent: #38bdf8;
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  --success: #34d399;
  --error: #ef4444;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-primary);
  background: var(--bg-gradient);
  background-attachment: fixed;
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

header {
  text-align: center;
  margin-bottom: 3rem;
  animation: fadeInDown 0.8s ease-out;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(to right, #e2e8f0, #bae6fd);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
  letter-spacing: 0;
}

header p, header a {
  font-size: 1rem;
  color: var(--text-secondary);
}

header a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

header a:hover {
  color: #7dd3fc;
}

.status-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  padding: 1rem 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 9999px;
  max-width: max-content;
  margin-left: auto;
  margin-right: auto;
  animation: fadeIn 1s ease-out;
}

.status-box.success {
  color: var(--success);
}
.status-box.success .spinner {
  display: none;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--text-secondary);
  border-bottom-color: transparent;
  border-radius: 50%;
  display: inline-block;
  animation: rotation 1s linear infinite;
}

#error {
  display: none;
  text-align: center;
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 1.2rem;
  margin-bottom: 2rem;
}

.chart-container {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: var(--glass-shadow);
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  transition: box-shadow 0.3s ease;
  animation: fadeInUp 0.8s ease-out backwards;
}

.chart-container:nth-child(2) {
  animation-delay: 0.2s;
}

.chart-container:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.chart-container .js-plotly-plot {
  width: 100%;
}

footer {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 2rem 0;
  border-top: 1px solid var(--glass-border);
  margin-top: 3rem;
}

footer a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}
footer a:hover {
  opacity: 0.8;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes rotation {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Page Navigation */
.page-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}
.page-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  border: 1px solid var(--glass-border);
  transition: all 0.2s;
  font-size: 0.9rem;
}
.page-nav a:hover {
  color: var(--text-primary);
  border-color: var(--accent);
}
.page-nav a[aria-current="page"] {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
}

/* Demographics chart: explicit height so Plotly's height:100% update doesn't collapse it */
.demographics #demographics-chart {
  height: 450px;
}

/* Demographics Page — Selection Panel */
.demographics .selections-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: var(--glass-shadow);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
  animation: fadeInUp 0.8s ease-out backwards;
}
.demographics .selections-panel h2 {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-weight: 400;
}

/* Selection Cards */
.demographics .selection-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  margin-bottom: 0.75rem;
  background: rgba(15, 23, 42, 0.5);
  border-left: 4px solid var(--card-color, var(--glass-border));
}
.demographics .selection-card .card-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}
.demographics .selection-card select {
  background: rgba(15, 23, 42, 0.8);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}
.demographics .selection-card select:focus {
  outline: none;
  border-color: var(--accent);
}

/* Party Pills */
.demographics .party-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  flex: 1;
}
.demographics .party-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  border: 1px solid var(--glass-border);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
  color: var(--text-secondary);
  background: transparent;
}
.demographics .party-pill:hover {
  border-color: var(--pill-color);
}
.demographics .party-pill.checked {
  border-color: var(--pill-color);
  color: var(--pill-color);
  background: color-mix(in srgb, var(--pill-color) 15%, transparent);
}
.demographics .party-pill .pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pill-color);
}

/* Add / Remove Buttons */
.demographics .btn-add {
  background: rgba(56, 189, 248, 0.1);
  border: 1px dashed var(--accent);
  color: var(--accent);
  border-radius: 10px;
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  transition: all 0.2s;
  width: 100%;
}
.demographics .btn-add:hover:not(:disabled) {
  background: rgba(56, 189, 248, 0.2);
}
.demographics .btn-add:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.demographics .btn-remove {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0.25rem 0.4rem;
  border-radius: 50%;
  transition: color 0.2s;
  flex-shrink: 0;
  line-height: 1;
}
.demographics .btn-remove:hover {
  color: var(--error);
}
.demographics .btn-remove:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

@media (max-width: 768px) {
  .container {
    padding: 2rem 1rem;
  }
  header h1 {
    font-size: 1.8rem;
  }
  .chart-container {
    padding: 0.75rem;
    border-radius: 12px;
  }
  .demographics .selection-card {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  .demographics .selection-card .card-controls {
    justify-content: space-between;
  }
  .demographics .selection-card select {
    flex: 1;
  }
  .demographics .selections-panel {
    padding: 1rem;
  }
  .demographics .party-pills {
    gap: 0.3rem;
  }
  .demographics #demographics-chart {
    height: 350px;
  }
}

/* ── State Polling Page ── */

/* Segment summary bar */
.state-polling .segment-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.25rem 1.5rem;
}
.state-polling .segment-card {
  text-align: center;
  padding: 0.5rem;
}
.state-polling .segment-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.state-polling .segment-value {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}
.state-polling .segment-sub {
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

/* Map section */
.state-polling .maps-section {
  padding: 1.5rem;
}
.state-polling .maps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.state-polling .map-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.state-polling .map-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
  text-align: center;
}
.state-polling .map-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  text-align: center;
}
.state-polling .map-container {
  width: 100%;
  max-width: 340px;
  position: relative;
}
.state-polling .map-container svg {
  display: block;
  width: 100%;
  height: auto;
}
.state-polling .map-container path {
  stroke: rgba(15, 23, 42, 0.6);
  stroke-width: 1;
  cursor: pointer;
  transition: opacity 0.12s;
}
.state-polling .map-container path:hover {
  opacity: 0.75;
  stroke-width: 1.5;
  stroke: rgba(255,255,255,0.4);
}

/* Map legend */
.state-polling .map-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
}
.state-polling .legend-scale {
  width: 120px;
  height: 10px;
  border-radius: 5px;
  background: linear-gradient(to right, #b91c1c, #475569, #1d4ed8);
}
.state-polling .legend-right { color: #f87171; }
.state-polling .legend-left  { color: #93c5fd; }

/* Tooltip */
.map-tooltip {
  position: fixed;
  pointer-events: none;
  z-index: 100;
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 0.65rem 0.9rem;
  font-size: 0.82rem;
  color: var(--text-primary);
  min-width: 190px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.map-tooltip .tooltip-title {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--accent);
}
.map-tooltip .tooltip-row {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.15rem;
}
.map-tooltip .tooltip-row span:first-child {
  color: var(--text-secondary);
}

/* Shared diff colors */
.pos { color: #93c5fd; }
.neg { color: #fca5a5; }

/* Data table */
.state-polling .state-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.state-polling .state-table th,
.state-polling .state-table td {
  padding: 0.6rem 0.75rem;
  text-align: right;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.state-polling .state-table th:first-child,
.state-polling .state-table td:first-child {
  text-align: left;
}
.state-polling .state-table th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.state-polling .state-table th:hover {
  color: var(--accent);
}
.state-polling .state-table th.sort-asc::after  { content: " ↑"; color: var(--accent); }
.state-polling .state-table th.sort-desc::after { content: " ↓"; color: var(--accent); }
.state-polling .state-table tbody tr:hover {
  background: rgba(255,255,255,0.03);
}

@media (max-width: 768px) {
  .state-polling .segment-bar {
    grid-template-columns: 1fr 1fr;
  }
  .state-polling .maps-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .state-polling .map-container {
    max-width: 100%;
  }
  .state-polling #table-container {
    overflow-x: auto;
  }
}