/* ==========================================================================
   Mobile-First Responsive Styles for Bikemap
   Implements bottom sheet UI and bottom navigation for mobile devices
   ========================================================================== */

/* ==========================================================================
   Mobile Detection & Base Responsive Styles
   ========================================================================== */

/* Hide desktop sidebar tabs on mobile */
@media (max-width: 767px) {
  /* Hide the desktop sidebar completely on mobile */
  .leaflet-sidebar {
    display: none !important;
  }

  /* Show mobile-specific UI */
  .mobile-bottom-nav,
  .mobile-bottom-sheet {
    display: flex !important;
  }

  /* Adjust map controls for mobile */
  .leaflet-control-container .leaflet-left {
    left: 10px !important;
  }

  .leaflet-control-container .leaflet-right {
    right: 10px !important;
  }

  /* Move zoom controls up to avoid bottom nav */
  .leaflet-control-zoom {
    margin-bottom: 80px !important;
  }

  /* Move locate control up */
  .leaflet-control-locate {
    margin-bottom: 80px !important;
  }

  /* Adjust map height to account for bottom nav */
  #map {
    height: calc(100vh - 60px) !important;
    height: calc(100dvh - 60px) !important;
  }

  /* Disclaimer box mobile adjustments */
  #disclaimer-box {
    width: 90% !important;
    padding: 2vh !important;
    font-size: 16px !important;
  }

  #disclaimer-box .button {
    padding: 12px 0 !important;
    font-size: 13px !important;
    width: 80% !important;
    margin: 8px 10% !important;
  }

  /* Offline indicator adjustment */
  #offline-indicator {
    padding: 8px 15px !important;
    font-size: 13px !important;
  }
}

/* ==========================================================================
   Mobile Bottom Navigation Bar
   ========================================================================== */

.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background-color: rgba(43, 42, 39, 0.98);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
  z-index: 2001;
  justify-content: space-around;
  align-items: center;
  padding: 0 10px;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.mobile-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: #4685d6;
  font-size: 11px;
  padding: 8px 12px;
  min-width: 60px;
  cursor: pointer;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.mobile-nav-btn i {
  font-size: 20px;
  margin-bottom: 4px;
}

.mobile-nav-btn span {
  font-weight: 500;
}

.mobile-nav-btn:active,
.mobile-nav-btn.active {
  color: #fff;
  background-color: rgba(70, 133, 214, 0.2);
  border-radius: 8px;
}

/* ==========================================================================
   Mobile Bottom Sheet
   ========================================================================== */

.mobile-bottom-sheet {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 60px; /* Above the nav bar */
  bottom: calc(60px + env(safe-area-inset-bottom, 0));
  max-height: 70vh;
  max-height: 70dvh;
  background-color: rgba(43, 42, 39, 0.98);
  border-radius: 16px 16px 0 0;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
  z-index: 2000;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.mobile-bottom-sheet.open {
  transform: translateY(0);
}

.mobile-bottom-sheet.expanded {
  max-height: 85vh;
  max-height: 85dvh;
}

/* Bottom sheet drag handle */
.sheet-handle {
  display: flex;
  justify-content: center;
  padding: 12px 0 8px;
  cursor: grab;
  touch-action: none;
}

.sheet-handle::before {
  content: '';
  width: 40px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
}

.sheet-handle:active {
  cursor: grabbing;
}

/* Bottom sheet header */
.sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sheet-title {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.sheet-close-btn {
  background: none;
  border: none;
  color: #4685d6;
  font-size: 24px;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
  -webkit-tap-highlight-color: transparent;
}

/* Bottom sheet content */
.sheet-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px;
  color: #fff;
  -webkit-overflow-scrolling: touch;
}

.sheet-content h4 {
  margin-top: 0;
  color: #fff;
}

.sheet-content p {
  line-height: 1.6;
}

.sheet-content a {
  color: #4685d6;
}

.sheet-content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 8px 0;
}

/* Elevation chart mobile adjustments */
#mobile-elevation-container {
  margin: 12px 0;
  padding: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  overflow: hidden;
  min-height: 120px;
  width: 100%;
  box-sizing: border-box;
}

#mobile-elevation-container svg {
  width: 100% !important;
  height: 120px !important;
  max-height: 120px !important;
  max-width: 100% !important;
  display: block;
}

#mobile-elevation-container svg .area path {
  fill: rgba(73, 73, 73, 0.95) !important;
  stroke: rgba(255, 255, 255, 0.5) !important;
}

#mobile-elevation-container svg .axis text {
  font-size: 8px !important;
  fill: rgba(255, 255, 255, 0.7) !important;
}

#mobile-elevation-container svg .axis line,
#mobile-elevation-container svg .axis path {
  stroke: rgba(255, 255, 255, 0.3) !important;
}

#mobile-elevation-container svg .grid line {
  stroke: rgba(255, 255, 255, 0.1) !important;
}

/* Hide data summary inside elevation - we show our own stats */
#mobile-elevation-container .data-summary {
  display: none !important;
}

.sheet-content .data-summary {
  font-size: 11px;
  margin-left: 0;
}

.sheet-content .data-row {
  margin-bottom: 1em;
}

/* ==========================================================================
   Sheet Tab Content Panels
   ========================================================================== */

.sheet-panel {
  display: none;
}

.sheet-panel.active {
  display: block;
}

/* Info panel specific styles */
#mobile-panel-info .route-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}

#mobile-panel-info .stat-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 12px;
  border-radius: 8px;
}

#mobile-panel-info .stat-label {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#mobile-panel-info .stat-value {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-top: 4px;
}

/* Overlays panel */
#mobile-panel-overlays .overlay-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

#mobile-panel-overlays .overlay-item:last-child {
  border-bottom: none;
}

#mobile-panel-overlays .switch {
  width: 50px;
  height: 28px;
}

#mobile-panel-overlays .switch .slider:before {
  height: 20px;
  width: 20px;
}

/* Offline panel mobile adjustments */
#mobile-panel-offline .button {
  width: 100%;
  margin: 8px 0;
  padding: 12px;
  font-size: 14px;
}

#mobile-panel-offline .grid-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

#mobile-panel-offline .grid-buttons .button {
  width: 100%;
  margin: 0;
  font-size: 12px;
  padding: 10px 8px;
}

/* ==========================================================================
   Touch-Friendly Adjustments
   ========================================================================== */

@media (max-width: 767px) {
  /* Larger touch targets */
  .button, 
  input[type="button"],
  input[type="submit"] {
    min-height: 44px;
    padding: 12px 16px;
  }

  /* Better spacing for form elements */
  input[type="range"] {
    height: 44px;
  }

  /* Checkbox/toggle improvements */
  .switch {
    min-width: 52px;
    min-height: 32px;
  }

  /* Better scrolling behavior */
  .sheet-content {
    overscroll-behavior: contain;
  }

  /* Popup adjustments */
  .leaflet-popup-content {
    font-size: 14px;
    max-width: 250px;
  }

  .leaflet-popup-content-wrapper {
    padding: 8px;
  }
}

/* ==========================================================================
   Landscape Mobile Adjustments
   ========================================================================== */

@media (max-width: 767px) and (orientation: landscape) {
  .mobile-bottom-sheet {
    max-height: 60vh;
  }

  .mobile-bottom-sheet.expanded {
    max-height: 80vh;
  }

  .mobile-bottom-nav {
    height: 50px;
  }

  .mobile-nav-btn {
    padding: 6px 10px;
  }

  .mobile-nav-btn i {
    font-size: 18px;
    margin-bottom: 2px;
  }

  .mobile-nav-btn span {
    font-size: 10px;
  }
}

/* ==========================================================================
   iOS Safe Area Support
   ========================================================================== */

@supports (padding-bottom: env(safe-area-inset-bottom)) {
  @media (max-width: 767px) {
    .mobile-bottom-nav {
      padding-bottom: env(safe-area-inset-bottom);
      height: calc(60px + env(safe-area-inset-bottom));
    }

    #map {
      height: calc(100vh - 60px - env(safe-area-inset-bottom)) !important;
      height: calc(100dvh - 60px - env(safe-area-inset-bottom)) !important;
    }
  }
}

/* ==========================================================================
   Dark Mode Enhancements (already dark, but enhance contrast)
   ========================================================================== */

@media (prefers-color-scheme: dark) {
  .mobile-bottom-nav {
    background-color: rgba(30, 30, 28, 0.98);
  }

  .mobile-bottom-sheet {
    background-color: rgba(30, 30, 28, 0.98);
  }
}

/* ==========================================================================
   Reduced Motion Support
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .mobile-bottom-sheet {
    transition: none;
  }

  .mobile-nav-btn {
    transition: none;
  }
}

/* ==========================================================================
   Print Styles - Hide mobile UI
   ========================================================================== */

@media print {
  .mobile-bottom-nav,
  .mobile-bottom-sheet {
    display: none !important;
  }
}