/* Dependency Graph Modal */
.dependency-graph-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}

.dependency-graph-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 1200px;
  height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dependency-graph-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-primary);
  background: var(--bg-tertiary);
}

.dependency-graph-header h2 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.dependency-graph-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.graph-stats {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.dependency-graph-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-primary);
  background: var(--bg-secondary);
}

.zoom-level {
  margin-left: auto;
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.dependency-graph-container {
  flex: 1;
  overflow: hidden;
  position: relative;
  background:
    linear-gradient(90deg, var(--border-primary) 1px, transparent 1px),
    linear-gradient(var(--border-primary) 1px, transparent 1px);
  background-size: 20px 20px;
  background-position: center center;
}

.graph-canvas {
  padding: 40px;
  min-width: 100%;
  min-height: 100%;
  transform-origin: center center;
  transition: transform 0.1s ease-out;
}

/* Graph Nodes */
.graph-node-container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.graph-node {
  background: var(--bg-tertiary);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  min-width: 200px;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.graph-node:hover {
  border-color: var(--accent-primary);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.graph-node--root {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.15) 100%);
  border-color: var(--accent-primary);
}

.graph-node--hovered {
  transform: scale(1.02);
}

.graph-node__header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.graph-node__name {
  font-weight: 600;
  color: var(--accent-primary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
}

.graph-node__toggle {
  background: var(--bg-hover);
  border: 1px solid var(--border-primary);
  border-radius: 4px;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin-left: auto;
}

.graph-node__toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.graph-node__details {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.graph-node__version {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-secondary);
}

.graph-node__size {
  color: var(--text-muted);
}

/* Graph Children / Tree Structure */
.graph-children {
  display: flex;
  padding-left: 24px;
  margin-top: 8px;
  position: relative;
}

.graph-connector {
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 50%;
  width: 12px;
  border-left: 2px solid var(--border-primary);
  border-bottom: 2px solid var(--border-primary);
  border-bottom-left-radius: 8px;
}

.graph-children-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}

.graph-children-list::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 20px;
  bottom: 20px;
  border-left: 2px solid var(--border-primary);
}

.graph-children-list > .graph-node-container {
  position: relative;
}

.graph-children-list > .graph-node-container::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 20px;
  width: 12px;
  border-top: 2px solid var(--border-primary);
}

/* Loading, Error, Empty States */
.graph-loading,
.graph-error,
.graph-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 16px;
  color: var(--text-muted);
}

.graph-loading .spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-primary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.graph-error {
  color: var(--error-color, #ef4444);
}

.graph-error svg {
  opacity: 0.6;
}

.graph-error p {
  max-width: 400px;
  text-align: center;
  line-height: 1.5;
}

/* Tooltip */
.graph-tooltip {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.8125rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  z-index: 1001;
}

.graph-tooltip strong {
  display: block;
  color: var(--accent-primary);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 4px;
}

.graph-tooltip div {
  color: var(--text-secondary);
  margin-top: 2px;
}

.tooltip-hint {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-primary);
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
  .dependency-graph-modal {
    padding: 0;
  }

  .dependency-graph-content {
    height: 100vh;
    border-radius: 0;
    max-width: none;
  }

  .dependency-graph-header {
    flex-wrap: wrap;
  }

  .dependency-graph-info {
    flex-basis: 100%;
    order: 3;
    margin-top: 8px;
  }
}