/* App.css */
.app {
  height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto',
    sans-serif;
  background: #f8fafc;
}

.app-header {
  background: white;
  border-bottom: 1px solid #e2e8f0;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.app-header h1 {
  margin: 0;
  color: #1e293b;
  font-size: 1.5rem;
}

.stats {
  display: flex;
  gap: 1rem;
}

.stat {
  padding: 0.5rem 1rem;
  background: #f1f5f9;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #475569;
}

.stat.circular {
  background: #fef2f2;
  color: #dc2626;
}

.app-content {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.graph-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: white;
  margin: 1rem;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.graph-controls {
  padding: 1rem;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #f8fafc;
}

.control-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #475569;
  cursor: pointer;
}

.refresh-button {
  padding: 0.5rem 1rem;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.875rem;
  transition: background-color 0.2s;
}

.refresh-button:hover {
  background: #2563eb;
}

.graph-container {
  flex: 1;
  position: relative;
}

.sidebar {
  width: 300px;
  background: white;
  border-left: 1px solid #e2e8f0;
  padding: 1.5rem;
  overflow-y: auto;
}

.node-details h3 {
  margin: 0 0 1rem 0;
  color: #1e293b;
  font-size: 1.25rem;
}

.detail-item {
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
}

.detail-item strong {
  color: #374151;
  margin-right: 0.5rem;
}

.domain-type {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.domain-type.core {
  background: #dbeafe;
  color: #1d4ed8;
}

.domain-type.shared {
  background: #dcfce7;
  color: #16a34a;
}

.domain-type.feature {
  background: #fef3c7;
  color: #d97706;
}

.circular-warning {
  background: #fef2f2;
  color: #dc2626;
  padding: 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
  margin: 1rem 0;
  border: 1px solid #fecaca;
}

.detail-section {
  margin: 1.5rem 0;
}

.detail-section h4 {
  margin: 0 0 0.5rem 0;
  color: #374151;
  font-size: 1rem;
}

.domain-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.clickable-domain {
  padding: 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.clickable-domain:hover {
  background: #f1f5f9;
}

.clickable-domain .domain-type {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  padding: 0;
}

.instructions h3 {
  margin: 0 0 1rem 0;
  color: #1e293b;
  font-size: 1.25rem;
}

.instructions ul {
  padding-left: 1.5rem;
  color: #64748b;
  font-size: 0.875rem;
  line-height: 1.6;
}

.circular-deps {
  margin-top: 2rem;
  padding: 1rem;
  background: #fef2f2;
  border-radius: 6px;
  border: 1px solid #fecaca;
}

.circular-deps h4 {
  margin: 0 0 0.75rem 0;
  color: #dc2626;
  font-size: 1rem;
}

.cycle {
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.75rem;
  color: #dc2626;
  background: white;
  padding: 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
  border: 1px solid #fecaca;
}

/* Loading and error states */
.loading-container,
.error-container,
.empty-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  text-align: center;
  color: #64748b;
}

.loading-container h2,
.error-container h2,
.empty-container h2 {
  margin: 1rem 0 0.5rem 0;
  color: #1e293b;
}

.loading-container p,
.error-container p,
.empty-container p {
  margin: 0.5rem 0;
  max-width: 400px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #e2e8f0;
  border-top: 4px solid #3b82f6;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.retry-button {
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background: #3b82f6;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.2s;
}

.retry-button:hover {
  background: #2563eb;
}

.empty-container code {
  background: #f1f5f9;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.875rem;
}