*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size: 14px;
  color: #333;
  background: #fafafa;
}

.header {
  padding: 0.75rem 1rem;
  background: #fff;
  border-bottom: 1px solid #ddd;
}

.header h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  display: inline;
}

.columns {
  display: flex;
  min-height:50vh;
  padding: 1rem 0;
}

.column {
  flex: 1;
  min-width: 0;
  padding: 0 1rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.column h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.radio-group {
  margin-bottom: 1.2rem;
}

.radio-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.radio-group label {
  display: inline-block;
  margin-right: 0.75rem;
  cursor: pointer;
}

.radio-group input {
  margin-right: 0.35rem;
  vertical-align: middle;
}

.radio-group-container {
  width: 100%;
  height:140px;
}

.dbp-area {
  flex: 1;
  min-height: 100px;
  max-height: 360px;
  width: 100%;
  position: relative;
  margin-top: 0.5rem;
  background: #f5f5f5;
  border-radius: 6px;
  border: 1px solid #e5e5e5;
}

.divider {
  width: 1px;
  background: #ddd;
  flex-shrink: 0;
}

.btn-more {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.5rem 1rem;
  background: #888;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-size: 0.9rem;
}

.btn-more:hover {
  background: #666;
}

.footer {
  padding: 1rem;
  border-top: 1px solid #ddd;
  background: #fff;
}

.legend h3 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.legend-items {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.legend-shape {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-thm {
  background: #c4a77d;
}

.legend-haa {
  background: #7db8d4;
}

.legend-han {
  background: #e8d48b;
}

.legend-others {
  background: #b85c4a;
}

.dbp-shape {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.dbp-shape.thm {
  background: #c4a77d;
}

.dbp-shape.haa {
  background: #7db8d4;
}

.dbp-shape.han {
  background: #e8d48b;
}

.dbp-shape.others {
  background: #b85c4a;
}