html,
body {
  margin: 0;
  padding: 0;
}

#map {
  height: 100vh;
}

.route-select-container {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  z-index: 1001;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 999px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  font-family: system-ui, sans-serif;
}

.route-select-container label {
  font-size: 0.95rem;
  color: #333;
  font-weight: 600;
}

.route-select-container select {
  min-width: 220px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0, 0, 0, 0.16);
  background: #fff;
  color: #111;
  font-size: 0.95rem;
  outline: none;
}

.route-select-container select:focus {
  border-color: #4285f4;
  box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.18);
}