.doc-content {
  max-width: var(--content-max-width);
  line-height: 1.75;
}

.doc-content h1,
.doc-content h2,
.doc-content h3,
.doc-content h4,
.doc-content h5,
.doc-content h6 {
  color: var(--color-text);
  margin-top: 1.5em;
  margin-bottom: 0.6em;
  font-weight: 600;
}

.doc-content h1 { font-size: 1.8rem; }
.doc-content h2 { font-size: 1.5rem; border-bottom: 1px solid var(--color-border); padding-bottom: 0.3em; }
.doc-content h3 { font-size: 1.25rem; }

.doc-content p {
  margin-bottom: 1em;
}

.doc-content pre {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  margin-bottom: 1em;
}

.doc-content code {
  font-size: 0.875rem;
}

.doc-content pre code {
  background: none;
  padding: 0;
}

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

.doc-content blockquote {
  border-left: 3px solid var(--color-primary);
  padding: 0.5em 1em;
  margin-bottom: 1em;
  background: var(--color-surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-text-secondary);
}

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

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

.doc-content th {
  background: var(--color-surface);
  font-weight: 600;
}

.doc-content img {
  max-width: 100%;
  border-radius: var(--radius);
}

/* Tag cloud in header */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.tag-btn {
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  border: none;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all var(--transition);
}

.tag-btn:hover,
.tag-btn.active {
  background: var(--color-primary);
  color: var(--color-bg);
}

.tag-count {
  font-size: 0.65rem;
  opacity: 0.7;
  margin-left: 2px;
}

.tag-clear {
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  cursor: pointer;
}

.tag-clear:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Tag results page */
.tag-results {
  max-width: var(--content-max-width);
}

.tag-results h2 {
  margin-bottom: 1em;
  font-size: 1.3rem;
}

.tag-results-list {
  list-style: none;
}

.tag-results-list li {
  border-bottom: 1px solid var(--color-border);
}

.tag-results-list a {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  align-items: baseline;
}

.tag-result-project {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.tag-result-title {
  font-weight: 500;
}

/* Home page */
.home-page {
  max-width: var(--content-max-width);
}

.home-page h2 {
  margin-bottom: 0.5em;
}

.home-page > p {
  color: var(--color-text-secondary);
  margin-bottom: 2em;
}

.project-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.project-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.project-card:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-hover);
}

.project-card-icon {
  font-size: 1.8rem;
}

.project-card-info h3 {
  font-size: 1rem;
  font-weight: 600;
}

.project-card-info p {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.empty-state {
  padding: 40px;
  text-align: center;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border-radius: var(--radius);
}

/* Error page */
.error-page {
  max-width: var(--content-max-width);
  text-align: center;
  padding: 60px 0;
}

.error-page h2 {
  font-size: 2rem;
  margin-bottom: 0.5em;
}

.error-page p {
  color: var(--color-text-secondary);
  margin-bottom: 1.5em;
}

/* Loading state */
.doc-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.doc-loading-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: doc-spin 0.6s linear infinite;
}

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

.doc-loading--error span {
  color: var(--color-text-secondary);
}