/* Unified Visualize Page Styles */

.visualize-page {
  display: flex;
  height: calc(100vh - 60px);
  overflow: hidden;
}

/* Sidebar Toggle (collapsed state) */
.sidebar-toggle {
  position: fixed;
  top: 80px;
  left: 10px;
  z-index: 100;
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 0.75rem;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.2s;
}

.sidebar-toggle:hover {
  background: #f8f9fa;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Sidebar Styles */
.sidebar {
  width: 320px;
  background: white;
  border-right: 1px solid #e0e0e0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.08);
  transition: width 0.3s ease, opacity 0.3s ease;
}

.sidebar.collapsed {
  width: 0;
  opacity: 0;
  overflow: hidden;
}

/* Sidebar Header */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  background: linear-gradient(135deg, #4a7dff 0%, #2c5ce6 100%);
  color: white;
  border-bottom: 1px solid #e0e0e0;
}

.sidebar-header-content h2 {
  margin: 0 0 0.25rem 0;
  font-size: 1.25rem;
  font-weight: 700;
}

.sidebar-subtitle {
  margin: 0;
  font-size: 0.875rem;
  opacity: 0.9;
}

.sidebar-collapse-button {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 6px;
  padding: 0.5rem;
  cursor: pointer;
  color: white;
  transition: background 0.2s;
}

.sidebar-collapse-button:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Search Section */
.search-section {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #e0e0e0;
  position: relative;
}

.search-icon {
  color: #666;
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.875rem;
  padding: 0.5rem 0;
}

.search-clear {
  background: #e0e0e0;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}

.search-clear:hover {
  background: #ccc;
}

/* Load Data Section */
.load-section {
  border-bottom: 1px solid #e0e0e0;
}

.load-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1rem 1.5rem;
  background: #f8f9fa;
  border: none;
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #172a59;
  transition: background 0.2s;
}

.load-header:hover {
  background: #ebefff;
}

.load-header span {
  flex: 1;
  text-align: left;
}

.load-chevron {
  transition: transform 0.2s;
}

.load-chevron.expanded {
  transform: rotate(180deg);
}

.load-content {
  padding: 1rem 1.5rem;
  background: white;
}

.load-file {
  margin-bottom: 1rem;
}

.load-file-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border: 2px dashed #4a7dff;
  border-radius: 8px;
  background: #f8f9fa;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.875rem;
  color: #172a59;
}

.load-file-label:hover {
  border-color: #2c5ce6;
  background: #ebefff;
}

.load-file-input {
  display: none;
}

.load-hint {
  margin: 0.5rem 0 0 0;
  font-size: 0.75rem;
  color: #666;
}

.load-divider {
  display: flex;
  align-items: center;
  margin: 1rem 0;
  color: #666;
  font-size: 0.8125rem;
}

.load-divider::before,
.load-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #e0e0e0;
}

.load-divider span {
  padding: 0 0.75rem;
}

.load-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.75rem;
  resize: vertical;
  transition: border-color 0.2s;
}

.load-textarea:focus {
  outline: none;
  border-color: #4a7dff;
}

.load-button {
  width: 100%;
  padding: 0.75rem;
  margin-top: 1rem;
  background: #4a7dff;
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
}

.load-button:hover:not(:disabled) {
  background: #2c5ce6;
}

.load-button:disabled {
  background: #ccc;
  cursor: not-allowed;
}

/* Generate Section */
.generate-section {
  padding: 1rem 1.5rem;
  background: #f8f9fa;
  border-bottom: 1px solid #e0e0e0;
}

.generate-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1rem 0;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #172a59;
}

.generate-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.generate-group {
  padding: 1rem;
  background: white;
  border-radius: 8px;
  border: 1px solid #e0e0e0;
}

.generate-group h4 {
  margin: 0 0 0.5rem 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: #172a59;
}

.generate-desc {
  margin: 0 0 0.75rem 0;
  font-size: 0.75rem;
  color: #666;
  line-height: 1.4;
}

.generate-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1rem;
  background: linear-gradient(135deg, #4a7dff 0%, #2c5ce6 100%);
  color: white;
  border: none;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
}

.generate-button:hover:not(:disabled) {
  background: linear-gradient(135deg, #2c5ce6 0%, #1a4cbb 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(74, 125, 255, 0.3);
}

.generate-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.generate-button--disabled {
  background: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%);
  cursor: not-allowed;
}

.generate-button--disabled:hover {
  background: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%);
  transform: none;
  box-shadow: none;
}

.generate-hint {
  margin: 0.5rem 0 0 0;
  font-size: 0.6875rem;
  color: #999;
  font-style: italic;
}

/* Spinning animation for loading state */
@keyframes spinning {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.spinning {
  animation: spinning 1s linear infinite;
}

/* Available Schemas Section */
.schemas-section {
  border-bottom: 1px solid #e0e0e0;
}

.schemas-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1rem 1.5rem;
  background: #f8f9fa;
  border: none;
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 500;
  color: #172a59;
  transition: background 0.2s;
}

.schemas-header:hover {
  background: #ebefff;
}

.schemas-header span {
  flex: 1;
  text-align: left;
}

.schemas-header .chevron {
  transition: transform 0.2s;
}

.schemas-header .chevron.expanded {
  transform: rotate(180deg);
}

.schemas-list {
  padding: 0.5rem 1rem 1rem;
  background: white;
  max-height: 400px;
  overflow-y: auto;
}

.schema-group {
  margin-bottom: 1rem;
}

.schema-group h4 {
  margin: 0 0 0.5rem 0;
  padding: 0.5rem 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: #4a7dff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid #ebefff;
}

.schema-button {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.625rem 0.75rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  text-align: left;
  font-size: 0.8125rem;
  color: #172a59;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 0.25rem;
}

.schema-button:hover:not(:disabled) {
  background: #ebefff;
  border-color: #4a7dff;
}

.schema-button.active {
  background: #ebefff;
  border-color: #4a7dff;
  font-weight: 500;
}

.schema-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.schema-button svg {
  flex-shrink: 0;
  color: #666;
}

.schema-button:hover:not(:disabled) svg,
.schema-button.active svg {
  color: #4a7dff;
}

.no-results {
  padding: 1rem;
  text-align: center;
  color: #666;
  font-size: 0.875rem;
}

/* Current File Section */
.current-file-section {
  padding: 1rem 1.5rem;
  background: #ebefff;
  border-bottom: 1px solid #4a7dff;
}

.current-file-section h3 {
  margin: 0 0 0.5rem 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: #4a7dff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.current-file-name {
  margin: 0 0 0.25rem 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: #172a59;
  word-break: break-word;
}

.current-file-type {
  font-size: 0.75rem;
  color: #666;
  background: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

/* Status Section */
.status-section {
  padding: 1rem 1.5rem;
  background: #f8f9fa;
  border-bottom: 1px solid #e0e0e0;
}

.status-section h3 {
  margin: 0 0 0.75rem 0;
  font-size: 0.875rem;
  color: #172a59;
  font-weight: 600;
}

.status-section p {
  margin: 0.5rem 0;
  font-size: 0.8125rem;
  color: #666;
}

.status-section strong {
  color: #172a59;
}

/* Node Info Section */
.node-info-section {
  padding: 1rem 1.5rem;
  background: #ebefff;
  border-bottom: 1px solid #4a7dff;
}

.node-info-section h3 {
  margin: 0 0 0.75rem 0;
  font-size: 0.875rem;
  color: #172a59;
  font-weight: 600;
}

.node-details {
  margin: 0.75rem 0;
}

.node-details p {
  margin: 0.5rem 0;
  font-size: 0.8125rem;
  color: #172a59;
}

.node-details strong {
  color: #4a7dff;
}

.node-id {
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.75rem;
  color: #666;
  word-break: break-all;
  display: block;
  padding: 0.5rem;
  background: white;
  border-radius: 4px;
  margin-top: 0.25rem;
}

.clear-button {
  width: 100%;
  padding: 0.625rem;
  background: white;
  border: 1px solid #4a7dff;
  color: #4a7dff;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.875rem;
  transition: all 0.2s;
}

.clear-button:hover {
  background: #4a7dff;
  color: white;
}

/* Hover Info Section */
.hover-info-section {
  padding: 1rem 1.5rem;
  background: #fff9e6;
  border-bottom: 1px solid #ffc107;
}

.hover-info-section h3 {
  margin: 0 0 0.5rem 0;
  font-size: 0.875rem;
  color: #172a59;
  font-weight: 600;
}

.hover-info-section p {
  margin: 0.5rem 0;
  font-size: 0.8125rem;
  color: #666;
}

/* Main Content */
.main-content {
  flex: 1;
  background: #f8f9fa;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: white;
  border-bottom: 1px solid #e0e0e0;
  z-index: 10;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.toolbar-button {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  background: transparent;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  font-size: 0.8125rem;
  color: #172a59;
  cursor: pointer;
  transition: all 0.2s;
}

.toolbar-button:hover {
  background: #f8f9fa;
  border-color: #4a7dff;
}

.toolbar-button--primary {
  background: #4a7dff;
  border-color: #4a7dff;
  color: white;
}

.toolbar-button--primary:hover {
  background: #2c5ce6;
  border-color: #2c5ce6;
}

.toolbar-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: #172a59;
  margin-right: 0.5rem;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Dropdowns */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 220px;
  background: white;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 100;
  overflow: hidden;
}

.dropdown-menu--layout {
  min-width: 280px;
}

.dropdown-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1rem;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s;
}

.dropdown-item:hover {
  background: #f8f9fa;
}

.dropdown-item--active {
  background: #ebefff;
}

.dropdown-item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: #666;
}

.dropdown-item--active svg {
  color: #4a7dff;
}

.dropdown-item-title {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: #172a59;
}

.dropdown-item-desc {
  display: block;
  font-size: 0.75rem;
  color: #666;
  margin-top: 2px;
}

.dropdown-divider {
  height: 1px;
  background: #e0e0e0;
  margin: 0.25rem 0;
}

.dropdown-header {
  padding: 0.5rem 1rem;
  font-size: 0.6875rem;
  font-weight: 600;
  color: #4a7dff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Loading Overlay */
.loading-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid #ebefff;
  border-top-color: #4a7dff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Error Message */
.error-message {
  max-width: 700px;
  margin: auto;
  padding: 2rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-left: 4px solid #dc3545;
}

.error-message h2 {
  margin-top: 0;
  color: #dc3545;
}

.error-message p {
  color: #666;
  line-height: 1.6;
}

.error-details {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.error-details p {
  margin: 0.5rem 0;
  color: #555;
  line-height: 1.5;
}

.error-details p:first-child {
  font-weight: 500;
  color: #333;
}

/* Format suggestions in error message */
.error-details p:has(• ) {
  padding-left: 1rem;
  margin-left: 0.5rem;
  border-left: 2px solid #e0e0e0;
}

/* Welcome Message */
.welcome-message {
  max-width: 600px;
  margin: auto;
  padding: 2rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.welcome-message h2 {
  margin-top: 0;
  color: #172a59;
}

.welcome-message > p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.welcome-message .features {
  text-align: left;
  margin-top: 1.5rem;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 8px;
}

.welcome-message .features h3 {
  margin: 0 0 0.5rem 0;
  font-size: 0.9375rem;
  color: #172a59;
}

.welcome-message .features ul {
  margin: 0 0 1rem 0;
  padding-left: 1.5rem;
}

.welcome-message .features li {
  margin: 0.5rem 0;
  color: #666;
  font-size: 0.875rem;
}

/* Graph Visualization */
.graph-visualization {
  flex: 1;
  width: 100%;
  height: 100%;
}

/* UML Canvas */
.uml-canvas {
  flex: 1;
  width: 100%;
  overflow: hidden;
}

/* Source View */
.source-view {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  border-top: 1px solid #e0e0e0;
  max-height: 40vh;
  overflow: auto;
  z-index: 5;
}

.source-view details {
  padding: 0;
}

.source-view summary {
  padding: 0.75rem 1rem;
  background: #f8f9fa;
  cursor: pointer;
  font-weight: 500;
  color: #172a59;
  border-bottom: 1px solid #e0e0e0;
}

.source-view summary:hover {
  background: #ebefff;
}

.source-view pre {
  margin: 0;
  padding: 1rem;
  background: #1e1e1e;
  overflow: auto;
}

.source-view code {
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.75rem;
  color: #d4d4d4;
  white-space: pre;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .sidebar {
    width: 280px;
  }
  
  .toolbar-title {
    max-width: 150px;
  }
}

@media (max-width: 768px) {
  .visualize-page {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    max-height: 40vh;
    border-right: none;
    border-bottom: 1px solid #e0e0e0;
  }
  
  .sidebar.collapsed {
    max-height: 0;
  }

  .main-content {
    flex: 1;
  }
  
  .toolbar {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .toolbar-left,
  .toolbar-right {
    flex-wrap: wrap;
  }
  
  .toolbar-title {
    width: 100%;
    order: -1;
    margin-bottom: 0.5rem;
  }
}