/* --- PROJECT KNOWLEDGE VIEW --- */
#message-area:has(.project-knowledge-content),
.message-area:has(.project-knowledge-content),
.project-knowledge-area {
  display: flex !important;
  flex-direction: column !important;
  height: 100% !important;
  max-height: 100% !important;
  min-height: 0 !important;
  flex: 1 1 0% !important;
  overflow: hidden !important;
  position: relative !important;
  place-content: initial !important;
  place-items: initial !important;
  width: 100% !important;
}

#message-area:has(.project-knowledge-content) > *,
.message-area:has(.project-knowledge-content) > *,
.project-knowledge-area > * {
  grid-area: auto !important;
}

.project-knowledge-content {
  padding: 24px 32px 32px;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 32px;
  background-color: var(--surface-alt);
  flex: 1 1 auto;
  overflow-y: auto;
  min-height: 0;
  box-sizing: border-box;
}

.knowledge-section-header {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.obsidian-container {
  background-color: #1e1e1e;
  border-radius: 12px;
  border: 1px solid #333333;
  display: block;
  height: 420px;
  overflow: hidden;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5);
  position: relative;
}

.obsidian-iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  background: #1e1e1e;
}

.external-docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.knowledge-empty-state {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px;
  border: 1px dashed var(--border-color);
  border-radius: 8px;
  background: var(--surface);
  font-size: 13px;
  color: var(--text-secondary);
}

.doc-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--border-color);
  background: var(--surface);
  border-radius: 8px;
  cursor: pointer;
  transition: box-shadow 0.2s;
}

.doc-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.doc-icon {
  font-size: 24px;
  background: var(--surface-alt);
  padding: 10px;
  border-radius: 8px;
}

.doc-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.doc-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.doc-meta {
  font-size: 12px;
  color: var(--text-secondary);
}

.knowledge-bottom-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.knowledge-column {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.knowledge-data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.knowledge-data-table th,
.knowledge-data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
}

.knowledge-data-table th {
  background-color: var(--surface-alt);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
}

.knowledge-data-table tr:last-child td {
  border-bottom: none;
}

.status-badge {
  padding: 4px 8px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
  display: inline-block;
}

.status-badge.accepted {
  background: #d1fae5;
  color: #047857;
}

.status-badge.proposed {
  background: #dbeafe;
  color: #1e3a8a;
}

.status-badge.deprecated {
  background: #fee2e2;
  color: #b91c1c;
}

.knowledge-folder-tree {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
}

.knowledge-folder-tree-empty {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.tree-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
}

.tree-item:hover {
  color: var(--accent-blue);
}

.tree-item--clickable {
  cursor: pointer;
}

.tree-item--clickable:hover {
  background: var(--surface-alt);
  border-radius: 4px;
}

.tree-item-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--accent-blue);
  color: white;
  margin-left: 6px;
}

.knowledge-row--clickable {
  cursor: pointer;
}

.knowledge-row--clickable:hover td {
  background: var(--surface-alt);
}

.doc-card--link {
  text-decoration: none;
  color: inherit;
}

/* Modal Dialog Styles */
.knowledge-file-dialog {
  border: none;
  border-radius: 12px;
  padding: 0;
  max-width: 800px;
  width: 90vw;
  max-height: 85vh;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  background: var(--surface);
  color: var(--text-primary);
}

.knowledge-file-dialog::backdrop {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
}

.knowledge-file-panel {
  display: flex;
  flex-direction: column;
  max-height: 85vh;
}

.knowledge-file-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.knowledge-file-header-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.knowledge-file-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
}

.knowledge-file-path {
  font-size: 12px;
  color: var(--text-secondary);
  font-family: monospace;
}

.knowledge-file-close-btn {
  background: transparent;
  border: none;
  font-size: 24px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.knowledge-file-close-btn:hover {
  color: var(--text-primary);
}

.knowledge-file-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
  font-size: 15px;
  line-height: 1.6;
}

.knowledge-file-markdown {
  color: var(--text-primary);
}

.knowledge-file-markdown h1,
.knowledge-file-markdown h2,
.knowledge-file-markdown h3 {
  margin-top: 1.2em;
  margin-bottom: 0.6em;
  color: var(--text-primary);
}

.knowledge-file-markdown pre {
  background: var(--surface-alt);
  padding: 12px 16px;
  border-radius: 8px;
  overflow-x: auto;
  border: 1px solid var(--border-color);
}

.knowledge-file-markdown code {
  background: var(--surface-alt);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.knowledge-file-markdown table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.knowledge-file-markdown th,
.knowledge-file-markdown td {
  border: 1px solid var(--border-color);
  padding: 8px 12px;
}

.knowledge-file-loading,
.knowledge-file-error {
  padding: 24px;
  text-align: center;
  font-size: 14px;
}

.knowledge-file-error {
  color: #b91c1c;
  background: #fee2e2;
  border-radius: 8px;
}

.knowledge-file-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

.tree-indent {
  margin-left: 20px;
}

.tree-icon {
  color: var(--text-secondary);
  font-size: 16px;
}

.knowledge-activity-feed {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
}

.knowledge-activity-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  position: relative;
}

.knowledge-activity-item:last-child {
  margin-bottom: 0;
}

.knowledge-activity-item::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 30px;
  bottom: -16px;
  width: 2px;
  background: var(--border-color);
}

.knowledge-activity-item:last-child::before {
  display: none;
}

.knowledge-activity-content {
  flex: 1;
}

.knowledge-activity-text {
  font-size: 14px;
  line-height: 1.4;
  color: var(--text-primary);
}

.knowledge-activity-text a,
.knowledge-activity-text .knowledge-link {
  color: var(--accent-blue);
  text-decoration: none;
  cursor: pointer;
}

.knowledge-activity-text a:hover,
.knowledge-activity-text .knowledge-link:hover {
  text-decoration: underline;
}

.knowledge-activity-time {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.knowledge-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: white;
  flex-shrink: 0;
}

@media (max-width: 1100px) {
  .knowledge-bottom-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 850px) {
  .obsidian-container {
    height: 340px;
  }
}