/* Data Viewer Styles */

/* Main App Container */
.data-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-color: var(--bg-primary, #0d1117);
  color: var(--text-primary, #e6edf3);
}

/* Header */
.data-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background-color: var(--bg-secondary, #161b22);
  border-bottom: 1px solid var(--border-color, #30363d);
  flex-shrink: 0;
}

.data-header .header-left,
.data-header .header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.data-header .header-center {
  display: flex;
  align-items: center;
  gap: 10px;
}

.data-header .header-icon {
  width: 24px;
  height: 24px;
  color: var(--accent-color, #58a6ff);
}

.data-header h1 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

.back-link {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary, #8b949e);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 10px;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.back-link:hover {
  color: var(--text-primary, #e6edf3);
  background-color: var(--bg-tertiary, #21262d);
}

.refresh-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border-color, #30363d);
  border-radius: 6px;
  color: var(--text-secondary, #8b949e);
  cursor: pointer;
  transition: all 0.15s ease;
}

.refresh-btn:hover {
  color: var(--text-primary, #e6edf3);
  background-color: var(--bg-tertiary, #21262d);
}

.refresh-btn.loading svg {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Stats Bar */
.stats-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 20px;
  background-color: var(--bg-secondary, #161b22);
  border-bottom: 1px solid var(--border-color, #30363d);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.stat-item svg {
  color: var(--text-muted, #6e7681);
}

.stat-label {
  color: var(--text-muted, #6e7681);
}

.stat-value {
  color: var(--text-primary, #e6edf3);
  font-weight: 500;
}

.stat-separator {
  color: var(--text-muted, #6e7681);
  margin: 0 2px;
}

.stat-suffix {
  color: var(--text-muted, #6e7681);
}

/* Main Content */
.data-content {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Document List Panel */
.document-list-panel {
  width: 400px;
  min-width: 300px;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color, #30363d);
  background-color: var(--bg-primary, #0d1117);
}

.list-controls {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-bottom: 1px solid var(--border-color, #30363d);
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background-color: var(--bg-secondary, #161b22);
  border: 1px solid var(--border-color, #30363d);
  border-radius: 6px;
}

.search-box svg {
  color: var(--text-muted, #6e7681);
  flex-shrink: 0;
}

.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary, #e6edf3);
  font-size: 14px;
  outline: none;
}

.search-box input::placeholder {
  color: var(--text-muted, #6e7681);
}

.filter-controls {
  display: flex;
  gap: 8px;
}

.filter-select {
  flex: 1;
  padding: 6px 10px;
  background-color: var(--bg-secondary, #161b22);
  border: 1px solid var(--border-color, #30363d);
  border-radius: 6px;
  color: var(--text-primary, #e6edf3);
  font-size: 13px;
  cursor: pointer;
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent-color, #58a6ff);
}

.list-status {
  min-height: 18px;
  color: var(--text-muted, #6e7681);
  font-size: 12px;
}

.list-status.error {
  color: #f85149;
}

/* Document List */
.document-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.loading-state,
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  color: var(--text-muted, #6e7681);
  gap: 12px;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-color, #30363d);
  border-top-color: var(--accent-color, #58a6ff);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Document Group */
.document-group {
  margin-bottom: 8px;
}

.group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background-color: var(--bg-secondary, #161b22);
  border-radius: 6px;
  cursor: pointer;
  user-select: none;
}

.group-header:hover {
  background-color: var(--bg-tertiary, #21262d);
}

.group-toggle {
  color: var(--text-muted, #6e7681);
  transition: transform 0.15s ease;
}

.group-toggle.collapsed {
  transform: rotate(-90deg);
}

.group-icon {
  color: var(--text-secondary, #8b949e);
}

.group-name {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
}

.group-count {
  font-size: 12px;
  color: var(--text-muted, #6e7681);
}

.group-items {
  padding: 4px 0 4px 8px;
}

.group-items.collapsed {
  display: none;
}

/* Document Item */
.document-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.document-item:hover {
  background-color: var(--bg-secondary, #161b22);
}

.document-item.selected {
  background-color: var(--bg-tertiary, #21262d);
  border: 1px solid var(--accent-color, #58a6ff);
}

.doc-checkbox {
  flex-shrink: 0;
}

.doc-checkbox input {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--accent-color, #58a6ff);
}

.doc-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--text-secondary, #8b949e);
}

.doc-icon.local { color: #8b949e; }
.doc-icon.web { color: #58a6ff; }
.doc-icon.ticket { color: #a371f7; }

.doc-info {
  flex: 1;
  min-width: 0;
}

.doc-name {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.doc-meta {
  font-size: 11px;
  color: var(--text-muted, #6e7681);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Preview Panel */
.preview-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary, #0d1117);
  overflow: hidden;
}

.preview-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted, #6e7681);
  gap: 16px;
}

.preview-empty svg {
  opacity: 0.5;
}

.preview-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color, #30363d);
  flex-shrink: 0;
}

.preview-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.preview-icon {
  font-size: 20px;
}

.preview-header h2 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

/* Preview Metadata */
.preview-metadata {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  padding: 16px 20px;
  background-color: var(--bg-secondary, #161b22);
  border-bottom: 1px solid var(--border-color, #30363d);
  flex-shrink: 0;
}

.meta-item {
  display: flex;
  gap: 8px;
  font-size: 13px;
}

.meta-label {
  color: var(--text-muted, #6e7681);
  flex-shrink: 0;
}

.meta-value {
  color: var(--text-primary, #e6edf3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.meta-value a {
  color: var(--accent-color, #58a6ff);
  text-decoration: none;
}

.meta-value a:hover {
  text-decoration: underline;
}

/* Status badges (used in preview header) */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 10px;
  white-space: nowrap;
}

.status-badge .status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.status-badge.pending { background-color: rgba(210, 153, 34, 0.12); color: var(--warning-color, #d29922); }
.status-badge.pending .status-dot { background-color: var(--warning-color, #d29922); }
.status-badge.embedding { background-color: rgba(88, 166, 255, 0.12); color: var(--accent-color, #58a6ff); }
.status-badge.embedding .status-dot { background-color: var(--accent-color, #58a6ff); }
.status-badge.embedded { background-color: rgba(63, 185, 80, 0.12); color: var(--success-color, #3fb950); }
.status-badge.embedded .status-dot { background-color: var(--success-color, #3fb950); }
.status-badge.failed { background-color: rgba(248, 81, 73, 0.12); color: var(--danger-color, #f85149); }
.status-badge.failed .status-dot { background-color: var(--danger-color, #f85149); }

/* Preview Body */
.preview-body {
  flex: 1;
  overflow: auto;
  padding: 16px 20px;
}

.content-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-muted, #6e7681);
  gap: 12px;
}

.content-viewer {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.content-viewer.markdown {
  font-family: 'Inter', sans-serif;
  white-space: normal;
}

.content-viewer.markdown h1,
.content-viewer.markdown h2,
.content-viewer.markdown h3 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.content-viewer.markdown h1:first-child,
.content-viewer.markdown h2:first-child,
.content-viewer.markdown h3:first-child {
  margin-top: 0;
}

.content-viewer.markdown pre {
  background-color: var(--bg-secondary, #161b22);
  padding: 12px;
  border-radius: 6px;
  overflow-x: auto;
}

.content-viewer.markdown code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}

.content-truncated {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px;
  margin-top: 16px;
  background-color: var(--bg-secondary, #161b22);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-muted, #6e7681);
}

.show-more-btn {
  padding: 4px 10px;
  background-color: var(--bg-tertiary, #21262d);
  border: 1px solid var(--border-color, #30363d);
  border-radius: 4px;
  color: var(--accent-color, #58a6ff);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.show-more-btn:hover {
  background-color: var(--accent-color, #58a6ff);
  color: white;
}

/* Toast Container */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
}

/* Responsive */
@media (max-width: 768px) {
  .data-content {
    flex-direction: column;
  }
  
  .document-list-panel {
    width: 100%;
    max-width: none;
    height: 50%;
    border-right: none;
    border-bottom: 1px solid var(--border-color, #30363d);
  }
  
  .preview-panel {
    height: 50%;
  }
  
  .stats-bar {
    gap: 12px;
  }
  
  .stat-item {
    font-size: 12px;
  }
}

/* =====================================================
   FILE TREE STYLES
   ===================================================== */

/* Tree Category (Local Files, Web Pages, Tickets) */
.tree-category {
  margin-bottom: 4px;
}

.tree-category-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background-color: var(--bg-secondary, #161b22);
  border-radius: 6px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease;
}

.tree-category-header:hover {
  background-color: var(--bg-tertiary, #21262d);
}

.tree-category-header .icon-folder,
.tree-category-header .icon-globe,
.tree-category-header .icon-ticket {
  color: var(--accent-color, #58a6ff);
}

.tree-category-name {
  flex: 1;
  font-size: 13px;
  font-weight: 600;
}

.tree-category-count {
  font-size: 12px;
  color: var(--text-muted, #6e7681);
  background-color: var(--bg-tertiary, #21262d);
  padding: 2px 8px;
  border-radius: 10px;
}

.tree-category-content {
  padding: 4px 0;
}

.tree-category-content.collapsed {
  display: none;
}

/* Tree Folder */
.tree-folder {
  margin-left: 8px;
}

.tree-folder-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease;
}

.tree-folder-header:hover {
  background-color: var(--bg-secondary, #161b22);
}

.tree-folder-name {
  flex: 1;
  font-size: 13px;
  color: var(--text-secondary, #8b949e);
}

.tree-folder-count {
  font-size: 11px;
  color: var(--text-muted, #6e7681);
}

.tree-folder-content {
  margin-left: 8px;
  border-left: 1px solid var(--border-color, #30363d);
}

.tree-folder-content.collapsed {
  display: none;
}

/* Tree File */
.tree-file {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  margin-left: 8px;
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease;
}

.tree-file:hover {
  background-color: var(--bg-secondary, #161b22);
}

.tree-file.selected {
  background-color: var(--bg-tertiary, #21262d);
  border-left: 2px solid var(--accent-color, #58a6ff);
  margin-left: 6px;
}

.tree-file-name {
  flex: 1;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Tree Status Dots */
.tree-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-left: 4px;
}

.tree-status-dot.pending { background-color: var(--warning-color, #d29922); }
.tree-status-dot.embedding { background-color: var(--accent-color, #58a6ff); animation: pulse-dot 1.5s ease-in-out infinite; }
.tree-status-dot.embedded { background-color: var(--success-color, #3fb950); }
.tree-status-dot.failed { background-color: var(--danger-color, #f85149); }

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* Tree Icons */
.tree-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.icon-chevron {
  color: var(--text-muted, #6e7681);
  transition: transform 0.15s ease;
}

.icon-folder-small {
  color: var(--text-secondary, #8b949e);
}

.icon-file,
.icon-markdown,
.icon-python,
.icon-js,
.icon-json,
.icon-yaml,
.icon-html,
.icon-css,
.icon-db,
.icon-link {
  color: var(--text-muted, #6e7681);
  flex-shrink: 0;
}

.tree-empty {
  padding: 20px;
  text-align: center;
  color: var(--text-muted, #6e7681);
  font-size: 13px;
}

/* =====================================================
   CONTENT RENDERING STYLES
   ===================================================== */

/* Markdown Content */
.markdown-content {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-primary, #e6edf3);
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  font-weight: 600;
  line-height: 1.3;
}

.markdown-content h1:first-child,
.markdown-content h2:first-child,
.markdown-content h3:first-child {
  margin-top: 0;
}

.markdown-content h1 { font-size: 1.75em; border-bottom: 1px solid var(--border-color, #30363d); padding-bottom: 0.3em; }
.markdown-content h2 { font-size: 1.5em; border-bottom: 1px solid var(--border-color, #30363d); padding-bottom: 0.3em; }
.markdown-content h3 { font-size: 1.25em; }
.markdown-content h4 { font-size: 1.1em; }

.markdown-content p {
  margin: 0 0 1em;
}

.markdown-content ul,
.markdown-content ol {
  padding-left: 2em;
  margin: 0 0 1em;
}

.markdown-content li {
  margin: 0.25em 0;
}

.markdown-content blockquote {
  margin: 0 0 1em;
  padding: 0.5em 1em;
  border-left: 4px solid var(--accent-color, #58a6ff);
  background-color: var(--bg-secondary, #161b22);
  color: var(--text-secondary, #8b949e);
}

.markdown-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9em;
  padding: 0.2em 0.4em;
  background-color: var(--bg-tertiary, #21262d);
  border-radius: 4px;
}

.markdown-content pre {
  margin: 0 0 1em;
  padding: 16px;
  background-color: var(--bg-secondary, #161b22);
  border-radius: 8px;
  overflow-x: auto;
}

.markdown-content pre code {
  padding: 0;
  background: none;
  font-size: 13px;
  line-height: 1.5;
}

.markdown-content table {
  width: 100%;
  margin: 0 0 1em;
  border-collapse: collapse;
}

.markdown-content th,
.markdown-content td {
  padding: 8px 12px;
  border: 1px solid var(--border-color, #30363d);
  text-align: left;
}

.markdown-content th {
  background-color: var(--bg-secondary, #161b22);
  font-weight: 600;
}

.markdown-content a {
  color: var(--accent-color, #58a6ff);
  text-decoration: none;
}

.markdown-content a:hover {
  text-decoration: underline;
}

.markdown-content hr {
  border: none;
  border-top: 1px solid var(--border-color, #30363d);
  margin: 1.5em 0;
}

.markdown-content img {
  max-width: 100%;
  border-radius: 6px;
}

/* Code Content */
.code-content {
  background-color: var(--bg-secondary, #161b22);
  border-radius: 8px;
  overflow: hidden;
}

.code-content.word-wrap .code-pre {
  white-space: pre-wrap;
  word-wrap: break-word;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background-color: var(--bg-tertiary, #21262d);
  border-bottom: 1px solid var(--border-color, #30363d);
}

.code-language {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary, #8b949e);
  text-transform: uppercase;
}

.copy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: transparent;
  border: 1px solid var(--border-color, #30363d);
  border-radius: 4px;
  color: var(--text-secondary, #8b949e);
  cursor: pointer;
  transition: all 0.15s ease;
}

.copy-btn:hover {
  background-color: var(--bg-secondary, #161b22);
  color: var(--text-primary, #e6edf3);
}

.copy-btn.copied {
  border-color: var(--success-color, #3fb950);
  color: var(--success-color, #3fb950);
}

.code-body {
  display: flex;
  overflow: auto;
  max-height: 600px;
}

.line-numbers {
  flex-shrink: 0;
  padding: 12px 0;
  background-color: var(--bg-tertiary, #21262d);
  border-right: 1px solid var(--border-color, #30363d);
  text-align: right;
  user-select: none;
}

.line-number {
  display: block;
  padding: 0 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted, #6e7681);
}

.code-pre {
  flex: 1;
  margin: 0;
  padding: 12px 16px;
  overflow-x: auto;
}

.code-pre code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.5;
}

.code-line {
  display: block;
}

/* Text Content */
.text-content {
  background-color: var(--bg-secondary, #161b22);
  border-radius: 8px;
  padding: 16px;
}

.text-pre {
  margin: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-wrap: break-word;
  color: var(--text-primary, #e6edf3);
}

/* =====================================================
   PREVIEW PANEL ENHANCEMENTS
   ===================================================== */

.preview-empty-hint {
  font-size: 13px;
  color: var(--text-muted, #6e7681);
  opacity: 0.7;
}

.preview-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.preview-title-row h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-type-badge {
  flex-shrink: 0;
  padding: 4px 10px;
  background-color: var(--bg-tertiary, #21262d);
  border-radius: 12px;
  font-size: 12px;
  color: var(--text-secondary, #8b949e);
}

.preview-actions {
  flex-shrink: 0;
}

/* =====================================================
   HEADER BUTTON STYLES
   ===================================================== */

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border-color, #30363d);
  border-radius: 6px;
  color: var(--text-secondary, #8b949e);
  cursor: pointer;
  transition: all 0.15s ease;
}

.icon-btn:hover {
  color: var(--text-primary, #e6edf3);
  background-color: var(--bg-tertiary, #21262d);
}

.icon-btn.loading svg {
  animation: spin 1s linear infinite;
}

/* =====================================================
   FILTER ROW STYLES
   ===================================================== */

.filter-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.filter-row .filter-select {
  flex: 1;
}

/* =====================================================
   TOAST ENHANCEMENTS
   ===================================================== */

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background-color: var(--bg-secondary, #161b22);
  border: 1px solid var(--border-color, #30363d);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  color: var(--text-primary, #e6edf3);
  transform: translateX(100%);
  opacity: 0;
  transition: all 0.2s ease;
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-success {
  border-color: var(--success-color, #3fb950);
}

.toast-error {
  border-color: var(--danger-color, #f85149);
}

.toast-warning {
  border-color: var(--warning-color, #d29922);
}

.toast-icon {
  font-size: 16px;
}

.toast-success .toast-icon { color: var(--success-color, #3fb950); }
.toast-error .toast-icon { color: var(--danger-color, #f85149); }
.toast-warning .toast-icon { color: var(--warning-color, #d29922); }
.toast-info .toast-icon { color: var(--accent-color, #58a6ff); }

.toast-message {
  flex: 1;
  font-size: 13px;
  color: var(--text-primary, #e6edf3);
}

.toast-dismiss {
  -webkit-appearance: none;
  appearance: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  margin: 0;
  background: none;
  background-color: transparent;
  border: none;
  border-radius: 4px;
  color: var(--text-secondary, #8b949e);
  cursor: pointer;
  flex-shrink: 0;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.toast-dismiss:hover {
  color: var(--text-primary, #e6edf3);
  background-color: rgba(255, 255, 255, 0.1);
}

/* =====================================================
   ERROR STATE
   ===================================================== */

.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  color: var(--text-muted, #6e7681);
  gap: 12px;
}

.error-state svg {
  color: var(--danger-color, #f85149);
  opacity: 0.7;
}

/* =====================================================
   CHUNK VIEW TOGGLE
   ===================================================== */

.chunk-toggle-container {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border-color, #30363d);
  background-color: var(--bg-secondary, #161b22);
}

.chunk-view-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background-color: var(--bg-tertiary, #21262d);
  border: 1px solid var(--border-color, #30363d);
  border-radius: 6px;
  color: var(--text-secondary, #8b949e);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.chunk-view-toggle:hover {
  background-color: var(--bg-hover, #30363d);
  color: var(--text-primary, #e6edf3);
  border-color: var(--border-hover, #8b949e);
}

.chunk-view-toggle.active {
  background-color: var(--accent-color, #58a6ff);
  border-color: var(--accent-color, #58a6ff);
  color: #ffffff;
}

.chunk-view-toggle.active:hover {
  background-color: #4899e8;
  border-color: #4899e8;
}

.chunk-view-toggle svg {
  width: 16px;
  height: 16px;
}

/* =====================================================
   CHUNK BOUNDARY INDICATORS (Subtle highlighting)
   ===================================================== */

.content-with-chunks {
  position: relative;
}

/* Small numbered buttons at top */
.chunk-indicators {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 16px;
  background-color: var(--bg-tertiary, #21262d);
  border-bottom: 1px solid var(--border-color, #30363d);
  position: sticky;
  top: 0;
  z-index: 10;
}

.chunk-indicator {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--c);
  border: none;
  border-radius: 4px;
  color: white;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  opacity: 0.8;
  transition: all 0.15s ease;
}

.chunk-indicator:hover {
  opacity: 1;
  transform: scale(1.1);
}

/* Chunked content area */
.markdown-content.chunked,
.text-content.chunked {
  padding: 16px;
}

/* Each chunk section - THE HIGHLIGHTING */
.chunk-section {
  position: relative;
  padding: 12px 16px 12px 40px;
  margin-bottom: 4px;
  border-radius: 6px;
  background-color: var(--chunk-bg);
  border-left: 4px solid var(--chunk-border);
  transition: all 0.2s ease;
}

.chunk-section:hover {
  background-color: color-mix(in srgb, var(--chunk-border) 18%, transparent);
}

.chunk-section.chunk-flash {
  animation: chunk-highlight-flash 1s ease;
}

@keyframes chunk-highlight-flash {
  0%, 100% { background-color: var(--chunk-bg); }
  50% { background-color: color-mix(in srgb, var(--chunk-border) 30%, transparent); }
}

/* Chunk number badge */
.chunk-badge {
  position: absolute;
  left: 8px;
  top: 12px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--chunk-border);
  color: white;
  font-size: 11px;
  font-weight: 700;
  border-radius: 50%;
}

/* Ensure smooth content flow within chunks */
.chunk-section > *:not(.chunk-badge):first-of-type {
  margin-top: 0;
}

.chunk-section > *:last-child {
  margin-bottom: 0;
}

.chunk-section h1,
.chunk-section h2,
.chunk-section h3,
.chunk-section h4 {
  margin-top: 0.5em;
}

.chunk-section h1:first-of-type,
.chunk-section h2:first-of-type,
.chunk-section h3:first-of-type,
.chunk-section h4:first-of-type {
  margin-top: 0;
}

.chunk-section pre {
  margin: 0.5em 0;
  white-space: pre-wrap;
  word-break: break-word;
  background: rgba(0,0,0,0.2);
  padding: 8px;
  border-radius: 4px;
}

.chunk-section code {
  background: rgba(0,0,0,0.15);
}

/* Legacy support for old class names */
.chunk-boundary {
  position: relative;
  padding-left: 24px;
  margin-bottom: 0;
  border-left: 3px solid var(--chunk-color);
  transition: background-color 0.2s ease;
}

.chunk-tag {
  position: absolute;
  left: -3px;
  top: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--chunk-color);
  color: white;
  font-size: 10px;
  font-weight: 600;
  border-radius: 0 4px 4px 0;
}