* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

header {
  background-color: #1e88e5;
  color: white;
  padding: 1rem;
  text-align: center;
  font-size: 1.4rem;
  font-weight: bold;
}

#toggle-map-btn {
  margin-left: 1rem;
  background: #fff;
  color: #1976d2;
  border: 1px solid #1976d2;
  font-weight: bold;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
}

#main {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.column {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  border-right: 1px solid #ccc;
}

#map {
  width: 100%;
  height: 50vh;
}

footer {
  background: #f4f4f4;
  text-align: center;
  padding: 0.5rem;
  font-size: 0.9rem;
  border-top: 1px solid #ccc;
}

.unit, .incident {
  padding: 0.5rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid #eee;
}

.unit.selected, .incident.selected {
  background-color: #e3f2fd;
}

button {
  padding: 6px 12px;
  margin-top: 5px;
  background: #1976d2;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:disabled {
  background: #aaa;
  cursor: not-allowed;
}

.distance-label {
  font-size: 0.8rem;
  color: #666;
  margin-top: 0.2rem;
}

@media (max-width: 768px) {
  #map {
    display: none;
  }
  body.show-map #map {
    display: block;
  }
  #main {
    flex-direction: column;
  }
  .column {
    border-right: none;
    border-bottom: 1px solid #ccc;
  }
}