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

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f8f9fa;
}

header {
  text-align: center;
  margin-bottom: 30px;
  padding: 20px 0;
  border-bottom: 1px solid #ddd;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

main {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.controls {
  flex: 1;
  min-width: 300px;
  padding: 15px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  order: 2;
}

.visualization {
  flex: 2;
  min-width: 600px;
  order: 1;
  position: relative;
}

#mapContainer {
  width: 100%;
  height: 600px;
  border: 1px solid #ddd;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.node-controls,
.edge-controls,
.node-list,
.edge-list {
  margin-bottom: 20px;
}

input,
select {
  display: block;
  width: 100%;
  padding: 10px;
  margin: 8px 0;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 14px;
}

button {
  padding: 10px 15px;
  background-color: #4caf50;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer !important;
  transition: background-color 0.3s, transform 0.1s;
  font-size: 14px;
  font-weight: bold;
}

button:hover {
  background-color: #45a049;
  transform: translateY(-2px);
  cursor: pointer !important;
}

button:active {
  transform: translateY(0);
}

.optimize-button {
  background-color: #2196f3;
  width: 100%;
  padding: 12px;
  margin-top: 10px;
}

.optimize-button:hover {
  background-color: #0b7dda;
}

.clear-button {
  background-color: #f44336;
  width: 100%;
  margin-top: 10px;
}

.clear-button:hover {
  background-color: #d32f2f;
}

.sample-button {
  background-color: #673ab7;
  width: 100%;
  padding: 12px;
  margin: 15px 0;
}

.sample-button:hover {
  background-color: #5e35b1;
}

.export-button {
  background-color: #607d8b;
  width: 100%;
  margin-top: 10px;
}

.export-button:hover {
  background-color: #455a64;
}

.import-button {
  background-color: #ff9800;
  width: 100%;
  margin-top: 10px;
}

.import-button:hover {
  background-color: #f57c00;
}

.test-button {
  background-color: #9c27b0;
  width: 100%;
  margin-top: 10px;
}

.test-button:hover {
  background-color: #7b1fa2;
}

.results {
  margin-top: 30px;
  padding: 20px;
  background-color: #e8f5e9;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  width: 100%;
}

.hidden {
  display: none;
}

ul {
  list-style-type: none;
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid #eee;
  border-radius: 4px;
  padding: 5px;
}

li {
  padding: 8px 5px;
  border-bottom: 1px solid #eee;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

li:last-child {
  border-bottom: none;
}

li button {
  background-color: #f44336;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: normal;
}

.location-search {
  padding: 15px;
  background-color: #fff;
  border-radius: 5px;
  margin-bottom: 20px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  order: 0;
  width: 100%;
}

.search-container {
  display: flex;
  gap: 10px;
}

.search-container input {
  flex: 1;
  margin: 0;
}

.search-container button {
  width: auto;
}

.location-search button {
  background-color: #2196f3;
  white-space: nowrap;
}

.location-search button:hover {
  background-color: #0b7dda;
}

.edge-weight {
  background: white;
  padding: 2px 5px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: bold;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

/* Connection Mode Styling - FIXED */
.connecting-mode {
  cursor: crosshair !important;
}

/* FIXED: Better marker styling */
.leaflet-marker-icon {
  cursor: pointer !important;
}

.building-marker-wrapper {
  cursor: pointer !important;
}

/* Make the marker div appear correctly */
.building-marker {
  border-radius: 50%;
  width: 18px;
  height: 18px;
  background-color: #69b3a2;
  border: 2px solid white;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  cursor: pointer !important;
  z-index: 500;
  display: block;
  position: relative;
  top: -9px;
  left: -9px;
}

.building-marker:hover {
  transform: scale(1.3);
  background-color: #4a90e2;
  z-index: 900 !important;
}

.building-marker.active {
  background-color: #ff6600 !important;
  transform: scale(1.5);
  box-shadow: 0 0 8px rgba(255, 102, 0, 0.6);
  animation: pulse 1.5s infinite;
  z-index: 1000 !important;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 102, 0, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 102, 0, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 102, 0, 0);
  }
}

.building-label {
  background-color: rgba(255, 255, 255, 0.8);
  border: none !important;
  border-radius: 3px;
  padding: 2px 4px;
  font-size: 12px;
  font-weight: bold;
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.2);
}

.connection-distance-tooltip {
  background: white !important;
  border: none !important;
  border-radius: 4px !important;
  font-weight: bold !important;
  font-size: 12px !important;
  padding: 3px 6px !important;
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.2) !important;
  color: #333 !important;
}

.map-status-indicator {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: bold;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.map-status-indicator.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(-20px);
  pointer-events: none;
}

.map-status-indicator.info {
  background-color: #e3f2fd;
  color: #0d47a1;
  border-left: 4px solid #2196f3;
}

.map-status-indicator.success {
  background-color: #e8f5e9;
  color: #2e7d32;
  border-left: 4px solid #4caf50;
}

.map-status-indicator.error {
  background-color: #ffebee;
  color: #c62828;
  border-left: 4px solid #f44336;
}

/* Help tooltip */
.help-tooltip {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 4px;
  padding: 10px 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  max-width: 300px;
  font-size: 12px;
  line-height: 1.4;
}

.help-tooltip h4 {
  margin: 0 0 5px 0;
  color: #333;
}

.help-tooltip p {
  margin: 0 0 5px 0;
  color: #666;
}

.help-tooltip kbd {
  background: #eee;
  border-radius: 3px;
  border: 1px solid #ccc;
  padding: 2px 4px;
  font-size: 10px;
}

/* FIXED: Improved mode indicator */
.mode-indicator {
  position: absolute;
  top: 10px;
  right: 10px;
  background: white;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  display: flex;
  z-index: 1000;
  font-size: 12px;
}

.mode-indicator div {
  padding: 6px 12px;
  opacity: 0.5;
  font-weight: bold;
  transition: all 0.3s ease;
}

.mode-indicator div.active {
  opacity: 1;
  background-color: #f5f5f5;
}

.mode-normal.active {
  color: #4caf50;
  border-bottom: 2px solid #4caf50;
}

.mode-connecting.active {
  color: #ff6600;
  border-bottom: 2px solid #ff6600;
  animation: pulse-text 1.5s infinite;
}

@keyframes pulse-text {
  0% {
    background-color: rgba(255, 102, 0, 0.05);
  }
  50% {
    background-color: rgba(255, 102, 0, 0.15);
  }
  100% {
    background-color: rgba(255, 102, 0, 0.05);
  }
}

.hint {
  font-size: 12px;
  color: #666;
  font-style: italic;
  margin-top: 5px;
}

footer {
  margin-top: 30px;
  padding: 10px;
  text-align: center;
  color: #777;
  font-size: 12px;
  border-top: 1px solid #eee;
}

.copyright {
  margin-top: 5px;
  font-size: 11px;
}

@media (max-width: 1000px) {
  main {
    flex-direction: column;
  }

  .controls,
  .visualization {
    width: 100%;
    order: 0;
  }

  .search-container {
    flex-direction: column;
  }

  .search-container button {
    width: 100%;
  }
}