/* Git-Wiki — Dependency DAG visualization styles */

#dep-graph-root {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---------- Toolbar ---------- */
.dg-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.dg-toolbar .dg-spacer {
  flex: 1 1 auto;
  min-width: 8px;
}

.dg-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.dg-toggle:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}
.dg-toggle.dg-on {
  color: var(--text-primary);
  border-color: var(--accent-border);
  background: var(--accent-dim);
}
.dg-toggle input {
  width: 12px;
  height: 12px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.dg-swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
  flex: 0 0 auto;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.15);
}
.dg-swatch-rev {
  background: linear-gradient(135deg, #8b949e 0 50%, transparent 50% 100%),
              repeating-linear-gradient(135deg, #8b949e 0 2px, transparent 2px 4px);
  background-color: var(--bg-tertiary);
}

.dg-btn {
  font-family: var(--font-body);
  font-size: 12px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  min-width: 30px;
  line-height: 1;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.dg-btn:hover {
  border-color: var(--accent-border);
  color: var(--text-primary);
  background: var(--bg-hover);
}
.dg-btn:active {
  background: var(--accent-dim);
}

/* ---------- Legend ---------- */
.dg-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 11px;
  color: var(--text-muted);
}
.dg-legend-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.dg-legend-title {
  color: var(--text-secondary);
  font-weight: 600;
}
.dg-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.dg-legend-line {
  width: 18px;
  height: 3px;
  border-radius: 2px;
  display: inline-block;
}
.dg-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

/* ---------- Canvas / SVG ---------- */
.dg-canvas {
  position: relative;
  overflow: hidden;
  height: 600px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 184, 176, 0.05), transparent 60%),
    var(--bg-secondary);
}
.dg-svg {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}
.dg-svg.dg-grabbing {
  cursor: grabbing;
}

/* ---------- Edges ---------- */
.dg-edge {
  stroke-width: 1.8;
  opacity: 0.85;
  transition: opacity 0.15s, stroke-width 0.15s;
}
.dg-edge-rev {
  stroke-dasharray: 5 4;
  opacity: 0.55;
}

/* ---------- Nodes ---------- */
.dg-node-g .dg-chip {
  fill: var(--bg-tertiary);
  stroke: var(--border);
  stroke-width: 1.4;
  transition: stroke 0.15s, fill 0.15s;
}
.dg-node-g .dg-label {
  fill: var(--text-primary);
  font-family: var(--font-body);
  font-size: 12.5px;
  dominant-baseline: middle;
  pointer-events: none;
}
.dg-node-g .dg-dot {
  pointer-events: none;
}

.dg-resolved:not(.dg-focal):hover .dg-chip {
  stroke: var(--accent-border);
  fill: var(--bg-hover);
}

/* Unresolved / external */
.dg-unresolved .dg-chip {
  fill: transparent;
  stroke: var(--text-muted);
  stroke-dasharray: 4 3;
  stroke-width: 1.2;
}
.dg-unresolved .dg-label {
  fill: var(--text-muted);
}
.dg-unresolved {
  cursor: default;
}

/* Focal node — accent border + glow */
.dg-focal .dg-chip {
  fill: var(--accent-dim);
  stroke: var(--accent);
  stroke-width: 2;
  filter: drop-shadow(0 0 6px rgba(0, 184, 176, 0.55));
}
.dg-focal .dg-label {
  fill: var(--text-primary);
  font-weight: 600;
}

/* ---------- Empty state ---------- */
.dg-empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
}