:root {
  --dbh-bg: #ffffff;
  --dbh-fg: #0f172a;
  --dbh-card: #f8fafc;
  --dbh-border: #e2e8f0;
  --dbh-shadow: 0 8px 24px rgba(2,6,23,0.06);
}

.dbh-dark {
  --dbh-bg: #0b1220;
  --dbh-fg: #e5e7eb;
  --dbh-card: #111827;
  --dbh-border: #1f2937;
  --dbh-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.dbh-results-charts {
  background: var(--dbh-bg);
  color: var(--dbh-fg);
  border: 1px solid var(--dbh-border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--dbh-shadow);
}

.dbh-results-charts h3 {
  margin-top: 0;
  font-size: 1.25rem;
  letter-spacing: 0.2px;
}

.dbh-results-charts canvas {
  background: var(--dbh-card);
  border: 1px solid var(--dbh-border);
  border-radius: 14px;
  padding: 12px;
  box-shadow: var(--dbh-shadow);
}

.dbh-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 12px;
}

.dbh-toggle {
  background: var(--dbh-card);
  color: var(--dbh-fg);
  border: 1px solid var(--dbh-border);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  transition: transform .12s ease;
}
.dbh-toggle:hover { transform: translateY(-1px); }

/* List/table cohesion */
.dbh-card {
  background: var(--dbh-card);
  border: 1px solid var(--dbh-border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--dbh-shadow);
}

.dbh-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

.dbh-table th, .dbh-table td {
  border-bottom: 1px solid var(--dbh-border);
  padding: 10px 8px;
  text-align: left;
}

.dbh-table thead th {
  font-weight: 600;
  opacity: 0.85;
}

.dbh-table tr:last-child td { border-bottom: none; }