/* ERD — Entity Relationship Diagram */
.erd-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0; gap: 12px; flex-wrap: wrap;
}
.erd-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.erd-filters select, .erd-search-input {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 6px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  outline: none;
}
.erd-filters select:focus, .erd-search-input:focus { border-color: var(--accent-blue); }
.erd-search-input { width: 180px; }
.erd-actions { display: flex; align-items: center; gap: 8px; }
.erd-action-btn {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 5px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
}
.erd-action-btn:hover { color: var(--text); border-color: var(--accent-blue); }
.erd-stats {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
}
.erd-legend {
  display: flex; gap: 24px; padding: 8px 0 12px; flex-wrap: wrap;
}
.erd-legend-section { display: flex; align-items: center; gap: 10px; }
.erd-legend-title {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-dim);
}
.erd-legend-item {
  display: flex; align-items: center; gap: 4px;
  font-size: 10px; color: var(--text-dim); font-family: var(--font-mono);
}
.erd-legend-dot {
  width: 8px; height: 8px; border-radius: 50%; display: inline-block;
}
.erd-legend-line {
  width: 20px; height: 2px; display: inline-block; background: var(--text-dim);
}
.erd-legend-line.dashed { background: repeating-linear-gradient(to right, var(--text-dim) 0, var(--text-dim) 4px, transparent 4px, transparent 7px); }
.erd-legend-line.dotted { background: repeating-linear-gradient(to right, var(--text-dim) 0, var(--text-dim) 2px, transparent 2px, transparent 4px); }

.erd-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  height: 600px;
  overflow: hidden;
  position: relative;
}
#erd-svg { width: 100%; height: 100%; }

.erd-detail-panel {
  position: fixed; right: 20px; top: 80px;
  width: 380px; max-height: 80vh; overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  z-index: 100;
  box-shadow: 0 16px 48px var(--shadow-heavy);
}
.erd-detail-close {
  position: absolute; top: 8px; right: 12px;
  background: none; border: none; color: var(--text-dim);
  font-size: 20px; cursor: pointer;
}
.erd-detail-close:hover { color: var(--text); }
.erd-detail-header h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.erd-detail-meta {
  font-family: var(--font-mono); font-size: 10px; color: var(--text-dim);
  letter-spacing: 0.5px;
}
.erd-detail-desc { font-size: 13px; color: var(--text); margin: 12px 0; line-height: 1.6; }
.erd-detail-section { margin-top: 16px; }
.erd-detail-section h4 {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 1px;
  text-transform: uppercase; color: var(--accent-blue); margin-bottom: 8px;
}
.erd-detail-section ul { list-style: none; padding: 0; }
.erd-detail-section li {
  font-size: 12px; color: var(--text); padding: 4px 0;
  border-bottom: 1px solid var(--border);
}
.erd-detail-section li:last-child { border-bottom: none; }
.erd-edge-type {
  font-family: var(--font-mono); font-size: 9px; padding: 1px 5px;
  background: var(--badge-bg); border-radius: 3px; color: var(--text-dim);
  margin-left: 4px;
}
.erd-prop-table {
  width: 100%; font-size: 11px; border-collapse: collapse;
}
.erd-prop-table th {
  text-align: left; padding: 4px 8px;
  font-family: var(--font-mono); font-size: 9px;
  text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--text-dim); border-bottom: 1px solid var(--border);
}
.erd-prop-table td {
  padding: 3px 8px; border-bottom: 1px solid var(--table-row-border);
  color: var(--text);
}
.erd-error {
  padding: 40px; text-align: center; color: var(--accent-rose);
}