/* =========================================================
   Traffic Visualizer – Multi-Panel Dashboard Styles
   ========================================================= */

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #1a1d23;
  color: #d4d8e0;
  height: 100vh;
  overflow: hidden;
  display: flex;
}

/* ── Sidebar ──────────────────────────────────────────── */
#sidebar {
  width: 270px;
  min-width: 180px;
  background: #22252e;
  border-right: 1px solid #333744;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 16px;
  gap: 16px;
  z-index: 10;
  scrollbar-width: thin;
  scrollbar-color: #3a4055 transparent;
}
#sidebar::-webkit-scrollbar { width: 5px; }
#sidebar::-webkit-scrollbar-track { background: transparent; }
#sidebar::-webkit-scrollbar-thumb { background: #3a4055; border-radius: 3px; }
#sidebar::-webkit-scrollbar-thumb:hover { background: #5b6cf9; }

#sidebar h1 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 4px 0;
  letter-spacing: 0.5px;
}

#sidebar .subtitle {
  font-size: 11px;
  color: #777e90;
  margin: 0;
}

.sidebar-section {
  background: #1a1d23;
  border-radius: 8px;
  padding: 12px;
  border: 1px solid #2e3240;
}

.sidebar-section h3 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #777e90;
  margin: 0 0 10px 0;
}

/* File upload zone */
#roadnet-drop-zone {
  border: 2px dashed #3a4055;
  border-radius: 6px;
  padding: 20px 12px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  font-size: 13px;
  color: #777e90;
}
#roadnet-drop-zone:hover,
#roadnet-drop-zone.drag-over {
  border-color: #5b6cf9;
  background: rgba(91, 108, 249, 0.06);
  color: #aab0c2;
}
#roadnet-drop-zone .drop-icon {
  font-size: 24px;
  margin-bottom: 6px;
  display: block;
}
#roadnet-drop-zone .drop-filename {
  font-size: 12px;
  color: #5b6cf9;
  font-weight: 600;
  margin-top: 4px;
}
#roadnet-file-input { display: none; }

/* City/Scenario pickers */
.picker-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.picker-row label {
  font-size: 11px;
  color: #777e90;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.picker-row select {
  width: 100%;
  background: #22252e;
  border: 1px solid #3a4055;
  color: #d4d8e0;
  border-radius: 5px;
  padding: 6px 8px;
  font-size: 13px;
  outline: none;
  cursor: pointer;
}
.picker-row select:focus {
  border-color: #5b6cf9;
}
.picker-row select:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Policy checkboxes */
.policy-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.policy-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}
.policy-item input[type="checkbox"] {
  accent-color: var(--policy-color);
  width: 15px;
  height: 15px;
  cursor: pointer;
}
.policy-item.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.policy-item.disabled input { cursor: not-allowed; }

.policy-badge {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.policy-label {
  font-size: 13px;
  flex: 1;
}
.policy-tag {
  font-size: 10px;
  background: rgba(255,255,255,0.07);
  color: #888;
  border-radius: 3px;
  padding: 1px 5px;
}

.recent-runs-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.recent-run-empty {
  font-size: 12px;
  color: #777e90;
}
.recent-run-card {
  border: 1px solid #323747;
  border-radius: 7px;
  background: #22252e;
  padding: 9px 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.recent-run-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
}
.recent-run-title {
  font-size: 12px;
  font-weight: 700;
  color: #e7ecf4;
}
.recent-run-time {
  font-size: 10px;
  color: #7f8a9d;
  white-space: nowrap;
}
.recent-run-meta {
  font-size: 11px;
  color: #aab4c4;
}
.recent-run-policies {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.recent-run-chip {
  font-size: 10px;
  color: #dbe2ee;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 2px 6px;
}

.debug-log {
  max-height: 180px;
  overflow: auto;
  padding: 10px;
  border-radius: 8px;
  background: #161a22;
  border: 1px solid #2c3442;
  color: #dbe4ff;
  font: 12px/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
}
.recent-run-actions {
  display: flex;
  gap: 6px;
}
.recent-run-btn {
  flex: 1;
  background: #2b3040;
  border: 1px solid #40475d;
  color: #dce3ef;
  border-radius: 5px;
  padding: 5px 7px;
  font-size: 11px;
  cursor: pointer;
}
.recent-run-btn:hover {
  border-color: #5b6cf9;
}

/* View mode selector */
.view-mode-row {
  display: flex;
  gap: 6px;
}
.view-mode-btn {
  flex: 1;
  background: #22252e;
  border: 1px solid #3a4055;
  color: #777e90;
  border-radius: 5px;
  padding: 6px 0;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}
.view-mode-btn:hover { border-color: #5b6cf9; color: #aab0c2; }
.view-mode-btn.active {
  background: #5b6cf9;
  border-color: #5b6cf9;
  color: #fff;
}

/* Run button */
#run-btn {
  width: 100%;
  padding: 10px;
  background: linear-gradient(135deg, #5b6cf9, #7c3aed);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  letter-spacing: 0.3px;
}
#run-btn:hover { opacity: 0.9; }
#run-btn:active { transform: scale(0.98); }
#run-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Force-rerun checkbox */
.force-rerun-row {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  color: #777e90;
  cursor: pointer;
  user-select: none;
  margin-top: 2px;
}
.force-rerun-row input[type="checkbox"] {
  accent-color: #5b6cf9;
  width: 13px;
  height: 13px;
  cursor: pointer;
}

/* Progress */
#progress-section { display: none; }

.progress-policy-row {
  padding: 6px 0;
  border-bottom: 1px solid #2e3240;
}
.progress-policy-row:last-child { border-bottom: none; }

.progress-policy-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
}
.progress-policy-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.progress-policy-name { flex: 1; font-size: 12px; color: #d4d8e0; }
.progress-policy-pct {
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: #777e90;
  min-width: 36px;
  text-align: right;
}
.progress-policy-pct.done  { color: #10b981; }
.progress-policy-pct.error { color: #ef4444; }

.progress-policy-bar-track {
  height: 4px;
  background: #2e3240;
  border-radius: 2px;
  overflow: hidden;
}
.progress-policy-bar-fill {
  height: 100%;
  border-radius: 2px;
  width: 0%;
  transition: width 0.15s ease;
}

/* Sidebar resize handle */
#sidebar-resize-handle {
  width: 4px;
  min-width: 4px;
  background: #2e3240;
  cursor: col-resize;
  transition: background 0.15s;
  z-index: 10;
  flex-shrink: 0;
}
#sidebar-resize-handle:hover,
#sidebar-resize-handle.dragging {
  background: #5b6cf9;
}

/* ── Main area ────────────────────────────────────────── */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Playback toolbar */
#playback-bar {
  background: #22252e;
  border-bottom: 1px solid #333744;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
#playback-bar button {
  background: #2e3240;
  border: 1px solid #3a4055;
  color: #d4d8e0;
  border-radius: 5px;
  padding: 5px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}
#playback-bar button:hover { background: #3a4055; }
#playback-bar button:disabled { opacity: 0.4; cursor: not-allowed; }

#summary-bar {
  background: #1c2028;
  border-bottom: 1px solid #2c3341;
  padding: 10px 12px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  flex-shrink: 0;
}

.summary-empty {
  color: #8d97aa;
  font-size: 13px;
}

.summary-card {
  min-width: 245px;
  background: #222733;
  border: 1px solid #313949;
  border-top: 3px solid var(--summary-color, #5b6cf9);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.summary-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}

.summary-card-title {
  font-size: 13px;
  font-weight: 700;
  color: #edf2ff;
}

.summary-card-subtitle {
  font-size: 10px;
  color: #9aa4b8;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 10px;
}

.summary-stat-label {
  font-size: 10px;
  color: #8893a8;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.summary-stat-value {
  font-size: 13px;
  color: #f5f7fb;
  font-weight: 600;
}

.summary-delta {
  font-size: 11px;
  font-weight: 600;
}

.summary-delta.good { color: #34d399; }
.summary-delta.bad { color: #f87171; }
.summary-delta.neutral { color: #94a3b8; }

#scrubber {
  flex: 1;
  accent-color: #5b6cf9;
  cursor: pointer;
}
#step-display {
  font-size: 12px;
  color: #777e90;
  font-variant-numeric: tabular-nums;
  min-width: 90px;
  text-align: right;
}
#speed-label {
  font-size: 12px;
  color: #777e90;
  min-width: 48px;
}

/* Panel grid */
#panels-container {
  flex: 1;
  overflow: hidden;
  display: grid;
  gap: 2px;
  background: #111318;
}

/* Grid layouts */
#panels-container.layout-1 {
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
}
#panels-container.layout-2 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr;
}
#panels-container.layout-3 {
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr;
}
#panels-container.layout-6 {
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

/* Individual panel */
.sim-panel {
  position: relative;
  background: #f5f0e8;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.panel-header {
  position: absolute;
  top: 8px;
  left: 8px;
  right: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 5;
  pointer-events: none;
}
.panel-policy-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.panel-policy-name {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
/* Dark background box wrapping dot + policy name */
.panel-label-box {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
  border-radius: 6px;
  padding: 4px 8px;
  pointer-events: none;
}
/* Per-panel zoom controls */
.panel-zoom-controls {
  display: flex;
  gap: 3px;
  pointer-events: auto;
  margin-left: auto;
}
.panel-zoom-btn {
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.15);
  color: #e0dbd2;
  border-radius: 4px;
  width: 22px;
  height: 22px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}
.panel-zoom-btn:hover { background: rgba(0,0,0,0.65); }

/* Per-panel metrics overlay (bottom-left of canvas) */
.panel-metrics-overlay {
  position: absolute;
  bottom: 8px;
  left: 8px;
  z-index: 5;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
  border-radius: 6px;
  padding: 5px 9px;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.pmo-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-size: 10px;
}
.pmo-label { color: #9ea8b8; }
.pmo-value { color: #e2ddd6; font-variant-numeric: tabular-nums; }

.panel-map-legend {
  position: absolute;
  right: 8px;
  bottom: 8px;
  z-index: 5;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
  border-radius: 6px;
  padding: 6px 8px;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 108px;
}
.panel-map-legend.hidden { display: none; }
.panel-map-legend-title {
  font-size: 9px;
  color: #b8c1cf;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 1px;
}
.panel-map-legend-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: #e2ddd6;
}
.panel-map-swatch {
  display: inline-block;
  width: 18px;
  height: 8px;
  border-radius: 999px;
  flex-shrink: 0;
}
.panel-map-swatch.districts {
  background: rgba(95, 172, 248, 0.55);
  border: 1px solid rgba(95, 172, 248, 0.8);
}
.panel-map-swatch.entry { background: #22c55e; }
.panel-map-swatch.exit { background: #ef4444; }
.panel-map-swatch.gateway { background: #f39c12; }

.panel-canvas-wrapper {
  flex: 1;
  position: relative;
}
.panel-canvas-wrapper canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

/* Coming-soon overlay for LLM+DQN */
.coming-soon-overlay {
  position: absolute;
  inset: 0;
  background: rgba(17,19,24,0.88);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 10;
}
.coming-soon-overlay .cs-icon { font-size: 36px; }
.coming-soon-overlay .cs-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}
.coming-soon-overlay .cs-sub {
  font-size: 12px;
  color: #777e90;
}

/* Panel loading spinner */
.panel-spinner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f0e8;
  z-index: 8;
}
.panel-spinner.hidden { display: none; }
.spinner-ring {
  width: 36px;
  height: 36px;
  border: 3px solid #d4c9b8;
  border-top-color: #5b6cf9;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Welcome / idle state */
#welcome-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f0e8;
  z-index: 20;
  flex-direction: column;
  gap: 10px;
  text-align: center;
}
#welcome-overlay h2 { font-size: 20px; color: #2e2820; margin: 0; }
#welcome-overlay p { font-size: 13px; color: #7a6e60; margin: 0; max-width: 320px; }
#welcome-overlay.hidden { display: none; }

/* Policy color variables */
:root {
  --color-no-intervention: #94a3b8;
  --color-fixed:           #f59e0b;
  --color-random:          #10b981;
  --color-learned:         #5b6cf9;
  --color-llm-dqn:         #ec4899;
  --color-dqn-heuristic:   #06b6d4;
}

/* Responsive: if viewport too narrow, collapse sidebar */
@media (max-width: 600px) {
  #sidebar { width: 200px; min-width: 200px; }
}