/* style.css — MSC Simulator */
:root {
  --dem-color: #2166ac;
  --rep-color: #b2182b;
  --neutral-color: #333;
  --bg-dark: #1a1a2e;
  --bg-panel: #16213e;
  --bg-card: #0f3460;
  --bg-input: #1a1a3e;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0b0;
  --accent: #64ffda;
  --border: #2a2a4a;
  --liberal-color: #2166ac;
  --moderate-color: #888888;
  --conservative-color: #b2182b;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.5;
}

header {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

header h1 {
  font-size: 18px;
  color: var(--accent);
  white-space: nowrap;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.header-controls label {
  font-size: 13px;
  color: var(--text-secondary);
}

.header-controls input[type="number"],
.header-controls select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 13px;
  width: 70px;
}

.header-controls select { width: auto; }

button.run-btn {
  background: var(--accent);
  color: var(--bg-dark);
  border: none;
  padding: 6px 18px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

button.run-btn:hover { background: #4dd0b8; }
button.run-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.progress-bar {
  flex: 1;
  min-width: 100px;
  height: 6px;
  background: var(--bg-input);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.1s;
}

.status-text {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* Main layout */
.main-container {
  display: flex;
  height: calc(100vh - 56px);
}

.left-panel {
  width: 320px;
  min-width: 280px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 12px;
}

.right-panel {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

/* Collapsible sections */
.section {
  margin-bottom: 8px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--bg-card);
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  user-select: none;
}

.section-header:hover { background: #1a4a7a; }

.section-header .arrow {
  transition: transform 0.2s;
  font-size: 10px;
}

.section.collapsed .section-body { display: none; }
.section.collapsed .arrow { transform: rotate(-90deg); }

.section-body {
  padding: 8px 10px;
}

.section-subtitle {
  font-size: 10px;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 8px;
  line-height: 1.4;
}

/* Experiment selector */
.experiment-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.experiment-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

.experiment-item:hover { background: var(--bg-card); }
.experiment-item.selected { background: var(--bg-card); border-left: 3px solid var(--accent); }

.experiment-item input[type="checkbox"] { accent-color: var(--accent); }

.experiment-desc {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Slider controls */
.param-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 4px 0;
  font-size: 12px;
}

.param-row label {
  flex: 1;
  color: var(--text-secondary);
}

.param-row input[type="range"] {
  width: 100px;
  accent-color: var(--accent);
}

.param-row .param-value {
  width: 50px;
  text-align: right;
  font-family: monospace;
  font-size: 11px;
  color: var(--accent);
}

/* Ideology slider */
.ideology-row {
  flex-direction: column;
  align-items: stretch;
  gap: 2px;
}

.ideology-row > label {
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 2px;
}

.ideology-slider-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ideology-slider-wrap input[type="range"] {
  flex: 1;
  min-width: 80px;
}

.ideology-label-left,
.ideology-label-right {
  font-size: 9px;
  color: var(--text-secondary);
  white-space: nowrap;
  min-width: fit-content;
}

.ideology-current-value {
  font-size: 10px;
  color: var(--text-secondary);
  text-align: center;
}

.ideology-current-value span {
  color: var(--accent);
  font-family: monospace;
}

.param-row input[type="number"] {
  width: 55px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 11px;
  text-align: right;
}

/* Charts */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.chart-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
}

.chart-card.full-width {
  grid-column: 1 / -1;
}

.hidden {
  display: none !important;
}

.chart-seats-standalone {
  margin-top: 16px;
  width: 100%;
}

.chart-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 13px;
  font-style: italic;
  background: var(--bg-panel);
}

.chart-card h3 {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 8px;
}

.chart-card canvas {
  width: 100% !important;
  max-height: 300px;
}

.chart-controls {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  align-items: center;
  font-size: 11px;
  color: var(--text-secondary);
}

.chart-controls select, .chart-controls input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 11px;
}

/* Export button */
button.export-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 11px;
  cursor: pointer;
}

button.export-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Responsive */
@media (max-width: 900px) {
  .main-container {
    flex-direction: column;
    height: auto;
  }
  .left-panel {
    width: 100%;
    min-width: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 40vh;
  }
  .chart-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  header {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 10px 12px;
  }
  header h1 {
    text-align: center;
  }
  .header-controls {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }
  button.run-btn {
    width: 100%;
    padding: 8px;
  }
  button.about-btn {
    width: 100%;
    text-align: center;
  }
}

/* About button */
button.about-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}
button.about-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Modal overlay */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  justify-content: center;
  align-items: flex-start;
  padding: 40px 20px;
  overflow-y: auto;
}
.modal-overlay.visible {
  display: flex;
}

.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  max-width: 680px;
  width: 100%;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-panel);
  z-index: 1;
}

.modal-header h2 {
  font-size: 16px;
  color: var(--accent);
}

button.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
}
button.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 20px;
}

.modal-body section {
  margin-bottom: 20px;
}

.modal-body section:last-child {
  margin-bottom: 0;
}

.modal-body h3 {
  font-size: 14px;
  color: var(--accent);
  margin-bottom: 8px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 4px;
}

.modal-body p {
  font-size: 13px;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.6;
}

.modal-body dl {
  font-size: 13px;
}

.modal-body dt {
  color: var(--text-primary);
  font-weight: 600;
  margin-top: 10px;
}

.modal-body dd {
  color: var(--text-secondary);
  margin-left: 0;
  margin-bottom: 6px;
  line-height: 1.5;
}

.modal-body a {
  color: var(--accent);
  text-decoration: none;
}

.modal-body a:hover {
  text-decoration: underline;
}

.modal-body .note {
  font-size: 11px;
  color: var(--text-secondary);
  font-style: italic;
}

/* Court composition table */
.court-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin: 8px 0;
}

.court-table th {
  text-align: left;
  padding: 6px 10px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

.court-table td {
  padding: 5px 10px;
  border-bottom: 1px solid var(--border);
}

.court-table tr.conservative td:first-child {
  border-left: 3px solid var(--rep-color);
}

.court-table tr.liberal td:first-child {
  border-left: 3px solid var(--dem-color);
}

.disclaimer {
  text-align: center;
  padding: 12px 16px;
  font-size: 12px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  background: var(--bg-dark);
}
.disclaimer a {
  color: var(--accent);
  text-decoration: none;
}
.disclaimer a:hover {
  text-decoration: underline;
}