body {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

main {
  flex-grow: 1;
  padding: 0;
  overflow: hidden;
}

.sidebar-layout {
  display: flex;
  height: 100%;
  width: 100%;
}

.sidebar {
  width: 24rem;
  max-width: 40%;
  background-color: var(--color-background);
  border-right: 2px solid var(--color-primary);
  padding: 1.25rem;
  box-sizing: border-box;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.controls {
  background-color: var(--color-background-header);
  border: 1px solid #ddd;
  border-top: 4px solid var(--color-primary);
  border-radius: 0.25rem;
  padding: 1.25rem;
  box-shadow: 0 1px 3px rgb(0 0 0 / 5%);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.controls h2 {
  margin-top: 0;
  margin-bottom: 0.25rem;
  font-size: 1.2rem;
  color: var(--color-primary);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-weight: bold;
  font-size: 0.85rem;
  color: var(--color-text);
  display: flex;
  justify-content: space-between;
}

.form-group select {
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 0.25rem;
  background-color: var(--color-background-input);
  font-family: inherit;
  font-size: 0.9rem;
}

.form-group input[type="range"] {
  width: 100%;
  box-sizing: border-box;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.count-display {
  text-align: center;
  padding: 0.5rem;
  background-color: var(--color-background);
  border: 1px solid var(--color-primary);
  border-radius: 0.25rem;
}

.count-display p {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
}

.count-display span {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: bold;
  color: var(--color-secondary);
}

.map-section {
  flex-grow: 1;
  height: 100%;
  position: relative;
}

.map {
  background-color: transparent;
}

.maplibregl-popup-close-button {
  background-color: var(--color-secondary);
}

.maplibregl-popup-close-button:hover {
  background-color: var(--color-background);
}

.visualization-container {
  height: 100%;
  width: 100%;
}

.legend {
  padding: 0.5rem 0.75rem;
  background: rgb(255 255 255 / 90%);
  box-shadow: 0 0 15px rgb(0 0 0 / 20%);
  border-radius: 4px;
  line-height: 1.4;
  font-size: 0.85rem;
  color: #333;
}

.legend h4 {
  margin: 0 0 0.4rem;
  font-size: 0.9rem;
  color: var(--color-primary);
}

.legend-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.2rem;
}

.legend-color {
  width: 1.25rem;
  height: 1rem;
  display: inline-block;
  opacity: 0.8;
  border: 1px solid #666;
}

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgb(245 244 240 / 75%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  transition: opacity 0.3s ease;
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  background: white;
  padding: 1rem 1.5rem;
  border-radius: 4px;
  border: 1px solid var(--color-primary);
  font-weight: bold;
  font-family: var(--font-sans);
  color: var(--color-primary);
  box-shadow: 0 2px 8px rgb(0 0 0 / 15%);
}

@media (width <= 768px) {
  .sidebar-layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    max-width: 100%;
    height: 45%;
    border-right: none;
    border-bottom: 2px solid var(--color-primary);
  }

  .map-section {
    height: 55%;
  }
}