/* Fermi Paradox Simulation - Shared Styles */

:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #111128;
  --bg-panel: #1a1a3a;
  --text-primary: #e0e0f0;
  --text-secondary: #8888aa;
  --accent: #3498db;
  --accent-glow: #3498db44;
  --danger: #e74c3c;
  --success: #2ecc71;
  --warning: #f39c12;

  /* Stage colors */
  --stage-barren: #0d1117;
  --stage-life: #1a472a;
  --stage-multi: #2d6a4f;
  --stage-complex: #40916c;
  --stage-sentient: #b5851a;
  --stage-intelligent: #e67e22;
  --stage-civ: #e74c3c;
  --stage-tech: #9b59b6;
  --stage-radio: #3498db;
  --stage-extinct: #4a4a4a;
}

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

body {
  font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

/* Control Panel */
.controls {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-secondary);
  border-bottom: 1px solid #333;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
}

.controls h1 {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  color: var(--accent);
}

.controls .separator {
  width: 1px;
  height: 24px;
  background: #444;
}

.controls label {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.controls input[type="range"] {
  width: 120px;
  accent-color: var(--accent);
}

.controls input[type="number"] {
  width: 60px;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid #444;
  border-radius: 4px;
  padding: 2px 6px;
  font-family: inherit;
  font-size: 12px;
}

.controls button {
  background: var(--bg-panel);
  color: var(--text-primary);
  border: 1px solid #555;
  border-radius: 4px;
  padding: 4px 12px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.controls button:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.controls button.active {
  background: var(--accent);
  border-color: var(--accent);
}

.controls .time-display {
  color: var(--warning);
  font-weight: bold;
  min-width: 200px;
}


/* Info Panel (bottom or side) */
.info-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-secondary);
  border-top: 1px solid #333;
  padding: 8px 16px;
  display: flex;
  gap: 24px;
  font-size: 11px;
}

.info-panel .stat {
  display: flex;
  gap: 4px;
}

.info-panel .stat-label {
  color: var(--text-secondary);
}

.info-panel .stat-value {
  color: var(--text-primary);
  font-weight: bold;
}

/* Legend */
.legend {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: var(--text-secondary);
}

.legend-item .swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  border: 1px solid #555;
}

/* DLC toggles */
.dlc-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.dlc-label {
  color: var(--text-secondary);
  font-size: 11px;
  margin-right: 2px;
}

.dlc-toggle {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  transition: all 0.15s;
  user-select: none;
}

.dlc-toggle:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}

.dlc-toggle input[type="checkbox"] {
  width: 12px;
  height: 12px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.dlc-toggle input:checked + span {
  color: var(--accent);
}

.dlc-all-btn {
  background: transparent;
  border: 1px solid #444;
  color: var(--text-secondary);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
}

.dlc-all-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Help popup */
.help-btn {
  background: transparent;
  border: 1px solid #555;
  color: var(--text-secondary);
  font-size: 14px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  font-family: inherit;
  line-height: 1;
  transition: all 0.2s;
  flex-shrink: 0;
}

.help-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.help-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  justify-content: center;
  align-items: center;
}

.help-overlay.visible {
  display: flex;
}

.help-modal {
  background: var(--bg-panel);
  border: 1px solid #444;
  border-radius: 12px;
  padding: 24px 28px;
  max-width: 640px;
  max-height: 80vh;
  overflow-y: auto;
  color: var(--text-primary);
  font-size: 12px;
  line-height: 1.6;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
}

.help-modal h2 {
  font-size: 16px;
  margin-bottom: 12px;
  color: var(--accent);
}

.help-modal h3 {
  font-size: 13px;
  margin: 14px 0 6px;
  color: var(--warning);
}

.help-modal table {
  width: 100%;
  border-collapse: collapse;
  margin: 6px 0 10px;
  font-size: 11px;
}

.help-modal th {
  text-align: left;
  color: var(--text-secondary);
  border-bottom: 1px solid #333;
  padding: 4px 8px;
  font-weight: normal;
  text-transform: uppercase;
  font-size: 10px;
}

.help-modal td {
  padding: 4px 8px;
  border-bottom: 1px solid #1a1a2e;
}

.help-modal .stage-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 6px;
  vertical-align: middle;
}

.help-modal .close-btn {
  float: right;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.help-modal .close-btn:hover {
  color: var(--text-primary);
}

.help-modal .note {
  color: var(--text-secondary);
  font-size: 11px;
  margin-top: 8px;
  font-style: italic;
}

/* Canvas container */
.canvas-container {
  position: fixed;
  top: 44px;
  bottom: 36px;
  left: 0;
  right: 0;
}

.canvas-container canvas {
  width: 100%;
  height: 100%;
}

/* Tooltip */
.tooltip {
  position: fixed;
  background: var(--bg-panel);
  border: 1px solid #555;
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 11px;
  pointer-events: none;
  z-index: 200;
  max-width: 280px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
}

.tooltip .tooltip-title {
  font-weight: bold;
  color: var(--accent);
  margin-bottom: 4px;
}

/* Nav links */
.nav-links {
  display: flex;
  gap: 8px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 11px;
  transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.current {
  color: var(--text-primary);
  background: var(--bg-panel);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: #444; border-radius: 3px; }

/* Parameter group */
.param-group {
  background: var(--bg-panel);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
}

.param-group h3 {
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.param-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.param-row label {
  color: var(--text-secondary);
  font-size: 11px;
}

.param-row .value {
  color: var(--text-primary);
  font-weight: bold;
  font-size: 11px;
  min-width: 60px;
  text-align: right;
}