/* DeepMap AI — Global Digital Twin Styles */
:root {
  --dt-bg: #0a0e17;
  --dt-card: #111827;
  --dt-border: #1f2937;
  --dt-text: #e5e7eb;
  --dt-muted: #6b7280;
  --dt-accent: #3b82f6;
  --dt-red: #ef4444;
  --dt-orange: #f97316;
  --dt-yellow: #eab308;
  --dt-green: #10b981;
  --dt-cyan: #06b6d4;
  --dt-purple: #8b5cf6;
  --dt-pink: #ec4899;
}

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

body.dt-page {
  background: var(--dt-bg);
  color: var(--dt-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

/* ---- Top Bar ---- */
.dt-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 48px;
  background: rgba(10, 14, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dt-border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  z-index: 1000;
  gap: 12px;
}
.dt-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dt-accent);
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.dt-logo span { color: var(--dt-text); font-weight: 400; }
.dt-topbar-center {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 6px;
}
.dt-mode-btn {
  background: transparent;
  border: 1px solid var(--dt-border);
  color: var(--dt-muted);
  padding: 4px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}
.dt-mode-btn:hover { border-color: var(--dt-accent); color: var(--dt-text); }
.dt-mode-btn.active {
  background: var(--dt-accent);
  border-color: var(--dt-accent);
  color: #fff;
}
.dt-topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.dt-live-badge {
  background: var(--dt-red);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  animation: dt-pulse 2s infinite;
}
@keyframes dt-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.dt-utc-clock {
  font-size: 0.8rem;
  color: var(--dt-muted);
  font-variant-numeric: tabular-nums;
}

/* ---- Globe Container ---- */
#dt-cesium-container {
  position: fixed;
  top: 48px; left: 0; right: 310px; bottom: 64px;
  transition: right 0.3s;
}
#dt-cesium-container.panel-collapsed {
  right: 0;
}
#dt-cesium-container .cesium-viewer-bottom { display: none !important; }
#dt-cesium-container .cesium-viewer-toolbar { right: 12px !important; top: 8px !important; }

/* ---- Side Panel ---- */
.dt-sidepanel {
  position: fixed;
  top: 48px; right: 0; bottom: 64px;
  width: 310px;
  background: rgba(17, 24, 39, 0.94);
  backdrop-filter: blur(12px);
  border-left: 1px solid var(--dt-border);
  overflow-y: auto;
  z-index: 500;
  padding: 12px;
  transition: transform 0.3s;
}
.dt-sidepanel.collapsed { transform: translateX(310px); }
.dt-panel-toggle {
  position: fixed;
  right: 310px;
  top: 56px;
  background: var(--dt-card);
  border: 1px solid var(--dt-border);
  color: var(--dt-muted);
  width: 28px; height: 28px;
  border-radius: 6px 0 0 6px;
  cursor: pointer;
  z-index: 501;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: all 0.3s;
}
.dt-panel-toggle:hover { color: var(--dt-text); }

.dt-section-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--dt-muted);
  margin: 12px 0 8px;
}

/* Layer toggles */
.dt-layer-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
  font-size: 0.85rem;
}
.dt-layer-item:hover { background: rgba(59, 130, 246, 0.08); }
.dt-layer-icon {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dt-layer-toggle {
  margin-left: auto;
  width: 32px; height: 18px;
  background: var(--dt-border);
  border-radius: 9px;
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}
.dt-layer-toggle.on { background: var(--dt-accent); }
.dt-layer-toggle::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}
.dt-layer-toggle.on::after { transform: translateX(14px); }

/* Stats cards */
.dt-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin: 8px 0;
}
.dt-stat-card {
  background: rgba(31, 41, 55, 0.6);
  border: 1px solid var(--dt-border);
  border-radius: 8px;
  padding: 8px 10px;
  text-align: center;
}
.dt-stat-value {
  font-size: 1.3rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.dt-stat-label {
  font-size: 0.65rem;
  color: var(--dt-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Event feed */
.dt-event-feed {
  max-height: 200px;
  overflow-y: auto;
}
.dt-event-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(31, 41, 55, 0.5);
  font-size: 0.8rem;
}
.dt-event-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  margin-top: 5px;
  flex-shrink: 0;
}
.dt-event-time {
  color: var(--dt-muted);
  font-size: 0.7rem;
}

/* ---- Bottom Timeline Bar ---- */
.dt-timeline-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 64px;
  background: rgba(10, 14, 23, 0.94);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--dt-border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  z-index: 1000;
  gap: 12px;
}
.dt-timeline-controls {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}
.dt-tl-btn {
  background: transparent;
  border: 1px solid var(--dt-border);
  color: var(--dt-muted);
  width: 32px; height: 32px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.dt-tl-btn:hover { border-color: var(--dt-accent); color: var(--dt-text); }
.dt-tl-btn.active { background: var(--dt-accent); border-color: var(--dt-accent); color: #fff; }
.dt-timeline-track {
  flex: 1;
  position: relative;
  height: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.dt-timeline-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--dt-border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.dt-timeline-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--dt-accent);
  cursor: pointer;
  border: 2px solid #fff;
}
.dt-timeline-slider::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--dt-accent);
  cursor: pointer;
  border: 2px solid #fff;
}
.dt-timeline-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 2px;
}
.dt-timeline-labels span {
  font-size: 0.65rem;
  color: var(--dt-muted);
}
.dt-timeline-current {
  font-size: 0.85rem;
  color: var(--dt-text);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  min-width: 160px;
  text-align: right;
}
.dt-speed-label {
  font-size: 0.7rem;
  color: var(--dt-muted);
  white-space: nowrap;
}

/* ---- Info Popup ---- */
.dt-info-popup {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--dt-card);
  border: 1px solid var(--dt-border);
  border-radius: 12px;
  padding: 16px 20px;
  min-width: 320px;
  max-width: 480px;
  z-index: 900;
  display: none;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  overflow: hidden;
}
.dt-info-popup.visible { display: block; }
.dt-info-popup h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}
.dt-info-popup .dt-info-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  font-size: 0.8rem;
}
.dt-info-popup .dt-info-label { color: var(--dt-muted); white-space: nowrap; }
.dt-info-popup .dt-info-close {
  position: absolute;
  top: 8px; right: 12px;
  background: none;
  border: none;
  color: var(--dt-muted);
  cursor: pointer;
  font-size: 1.1rem;
}
.dt-info-risk-bar {
  position: absolute;
  top: 0; left: 16px; right: 16px;
  height: 3px;
  border-radius: 0 0 2px 2px;
}
.dt-info-cta {
  display: block;
  text-align: center;
  background: var(--dt-accent);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  margin-top: 8px;
  transition: background 0.2s;
  grid-column: 1 / -1;
}
.dt-info-cta:hover { background: #2563eb; }
.dt-ledger-hash {
  font-family: 'SF Mono', 'Consolas', 'Courier New', monospace;
  font-size: 0.65rem;
  color: var(--dt-muted);
  word-break: break-all;
}

/* Ledger legend */
.dt-ledger-legend {
  margin: 8px 0;
  padding: 8px 10px;
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid var(--dt-border);
  border-radius: 8px;
  max-height: 200px;
  overflow-y: auto;
}
.dt-legend-title {
  font-size: 0.7rem;
  color: var(--dt-accent);
  font-weight: 600;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.dt-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
  font-size: 0.65rem;
  color: var(--dt-text);
}
.dt-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dt-legend-label {
  flex: 1;
  text-transform: capitalize;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dt-legend-count {
  color: var(--dt-muted);
  font-family: 'SF Mono', 'Consolas', monospace;
  font-size: 0.6rem;
}

/* Cross-section overlay */
.dt-crosssection-overlay {
  position: fixed;
  bottom: 80px; left: 16px; right: 326px;
  height: 420px;
  background: rgba(17, 24, 39, 0.97);
  border: 1px solid var(--dt-border);
  border-radius: 12px;
  z-index: 800;
  display: none;
  overflow: hidden;
  resize: vertical;
}
.dt-crosssection-overlay.visible { display: block; }
.dt-crosssection-canvas {
  width: 100%;
  height: 100%;
}
.dt-crosssection-close {
  position: absolute;
  top: 8px; right: 12px;
  background: rgba(31,41,55,0.8);
  border: 1px solid var(--dt-border);
  color: var(--dt-muted);
  width: 24px; height: 24px;
  border-radius: 4px;
  cursor: pointer;
  z-index: 801;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dt-crosssection-close:hover { color: var(--dt-text); }

/* ---- Welcome Overlay ---- */
.dt-welcome-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: dt-fadeIn 0.4s ease;
}
@keyframes dt-fadeIn { from { opacity: 0; } to { opacity: 1; } }
.dt-welcome-card {
  background: var(--dt-card);
  border: 1px solid var(--dt-border);
  border-radius: 16px;
  padding: 32px 36px;
  max-width: 520px;
  width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 16px 64px rgba(0, 0, 0, 0.6);
  text-align: center;
}
.dt-welcome-card h1 {
  font-size: 1.6rem;
  margin-bottom: 4px;
  color: var(--dt-accent);
}
.dt-welcome-card h1 span { color: var(--dt-text); font-weight: 400; }
.dt-welcome-subtitle {
  font-size: 0.9rem;
  color: var(--dt-muted);
  margin-bottom: 20px;
}
.dt-welcome-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  text-align: left;
  margin-bottom: 24px;
}
.dt-welcome-feat {
  background: rgba(31, 41, 55, 0.5);
  border: 1px solid var(--dt-border);
  border-radius: 10px;
  padding: 10px 12px;
}
.dt-welcome-feat-icon {
  font-size: 1.3rem;
  margin-bottom: 4px;
}
.dt-welcome-feat-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--dt-text);
}
.dt-welcome-feat-desc {
  font-size: 0.7rem;
  color: var(--dt-muted);
  line-height: 1.4;
}
.dt-welcome-tips {
  text-align: left;
  font-size: 0.75rem;
  color: var(--dt-muted);
  margin-bottom: 20px;
  line-height: 1.7;
}
.dt-welcome-tips strong { color: var(--dt-text); }
.dt-welcome-btn {
  background: var(--dt-accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px 36px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  width: 100%;
}
.dt-welcome-btn:hover { background: #2563eb; transform: scale(1.02); }
.dt-welcome-skip {
  display: block;
  margin-top: 10px;
  font-size: 0.75rem;
  color: var(--dt-muted);
  cursor: pointer;
  background: none;
  border: none;
}

/* Cross-section instructions banner */
.dt-xsec-instructions {
  position: fixed;
  top: 56px; left: 50%;
  transform: translateX(-50%);
  background: rgba(100, 116, 139, 0.9);
  color: #fff;
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 0.85rem;
  z-index: 900;
  display: none;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.dt-xsec-instructions.visible { display: block; }

/* All Layers button */
.dt-all-layers-btn {
  width: 100%;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.3);
  color: var(--dt-accent);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  margin: 6px 0 4px;
}
.dt-all-layers-btn:hover {
  background: rgba(59, 130, 246, 0.2);
  border-color: var(--dt-accent);
}

/* Help button */
.dt-help-btn {
  background: rgba(31, 41, 55, 0.8);
  border: 1px solid var(--dt-border);
  color: var(--dt-muted);
  width: 28px; height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.dt-help-btn:hover { border-color: var(--dt-accent); color: var(--dt-text); }

/* Mobile bottom sheet handle */
.dt-sheet-handle {
  display: none;
  width: 40px; height: 4px;
  background: var(--dt-border);
  border-radius: 2px;
  margin: 8px auto 4px;
}

/* ---- Scrollbar ---- */
.dt-sidepanel::-webkit-scrollbar { width: 4px; }
.dt-sidepanel::-webkit-scrollbar-track { background: transparent; }
.dt-sidepanel::-webkit-scrollbar-thumb { background: var(--dt-border); border-radius: 2px; }

/* ---- Responsive: Small mobile ---- */
@media (max-width: 480px) {
    .dt-sidepanel { display: none; }
    #dt-cesium-container { right: 0 !important; }
    #info-panel { display: none; }
    .dt-topbar { font-size: 0.8rem; }
}

/* ---- Responsive: Tablet ---- */
@media (max-width: 900px) {
  .dt-sidepanel { width: 260px; }
  .dt-panel-toggle { right: 260px; }
  .dt-crosssection-overlay { right: 276px; }
  .dt-utc-clock { display: none; }
  .dt-timeline-current { min-width: 120px; font-size: 0.75rem; }
}

/* ---- Responsive: Mobile ---- */
@media (max-width: 640px) {
  .dt-topbar {
    height: 44px;
    padding: 0 10px;
    gap: 6px;
  }
  .dt-logo { font-size: 0.9rem; }
  .dt-logo span { display: none; }
  .dt-mode-btn { padding: 3px 10px; font-size: 0.7rem; }
  .dt-utc-clock { display: none; }
  .dt-live-badge { font-size: 0.6rem; padding: 2px 6px; }

  #dt-cesium-container {
    top: 44px;
    bottom: 52px;
    right: 0;
  }
  #dt-cesium-container .cesium-viewer-toolbar {
    right: 8px !important;
    top: 4px !important;
  }

  .dt-sidepanel {
    width: 100%;
    top: auto;
    bottom: 52px;
    height: 55vh;
    border-left: none;
    border-top: 1px solid var(--dt-border);
    border-radius: 16px 16px 0 0;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    padding: 4px 12px 12px;
  }
  .dt-sidepanel.open { transform: translateY(0); }
  .dt-sidepanel.collapsed { transform: translateY(100%); }
  .dt-sheet-handle { display: block; }
  .dt-panel-toggle {
    position: fixed;
    right: 12px;
    bottom: 58px;
    top: auto;
    width: 36px; height: 36px;
    border-radius: 50%;
    font-size: 1rem;
    z-index: 501;
    display: flex;
  }

  .dt-timeline-bar {
    height: 52px;
    padding: 0 8px;
    gap: 6px;
  }
  .dt-timeline-controls { gap: 2px; }
  .dt-tl-btn { width: 28px; height: 28px; font-size: 0.75rem; }
  .dt-timeline-current { min-width: auto; font-size: 0.7rem; }
  .dt-timeline-labels span { font-size: 0.55rem; }
  .dt-speed-label { font-size: 0.6rem; }

  .dt-stats-grid { gap: 4px; }
  .dt-stat-value { font-size: 1.1rem; }
  .dt-stat-label { font-size: 0.6rem; }

  .dt-info-popup {
    bottom: 60px;
    min-width: 280px;
    max-width: 90vw;
    padding: 12px 16px;
  }

  .dt-crosssection-overlay {
    left: 8px; right: 8px;
    bottom: 60px;
    height: 220px;
  }

  .dt-welcome-card {
    padding: 24px 20px;
    max-width: 90vw;
  }
  .dt-welcome-card h1 { font-size: 1.3rem; }
  .dt-welcome-features { grid-template-columns: 1fr; }

  .dt-xsec-instructions {
    top: 50px;
    font-size: 0.75rem;
    padding: 6px 14px;
  }
}