/* lab-rag-browse.css — Track A catalog landing page */

.browse-main {
  padding-top: var(--space-10);
  padding-bottom: var(--space-20);
  justify-content: flex-start;
}

.browse-page-header {
  margin-bottom: var(--space-8);
}

.browse-prose {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.browse-prose p + p {
  margin-top: var(--space-4);
}

.browse-rule {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-10) 0;
}

.browse-section {
  margin-bottom: 0;
}

.browse-section-heading {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.browse-section-intro {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.browse-section p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.browse-section p:last-child {
  margin-bottom: 0;
}

.browse-coming-soon {
  color: var(--text-muted) !important;
  font-style: italic;
}

.browse-link {
  color: var(--accent);
  text-decoration: none;
}
.browse-link:hover {
  text-decoration: underline;
}

.browse-list {
  color: var(--text-secondary);
  line-height: 1.7;
  padding-left: var(--space-6);
}

.browse-list li {
  margin-bottom: var(--space-3);
}

.browse-list li:last-child {
  margin-bottom: 0;
}

/* ── Catalog ─────────────────────────────────────────────────── */

.browse-catalog-loading {
  color: var(--text-muted);
  font-style: italic;
  margin-top: var(--space-4);
}

.catalog-category {
  margin-top: var(--space-8);
}

.catalog-category__heading {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.catalog-category__tiles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

/* Hosted tile — functional, clickable */
.catalog-tile {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
  transition: border-color 120ms ease, background 120ms ease;
  text-decoration: none;
  color: inherit;
}

.catalog-tile--hosted {
  background: var(--bg-surface);
  cursor: pointer;
  display: block;
}

.catalog-tile--hosted:hover {
  border-color: var(--border-subtle);
  background: var(--bg-raised);
}

.catalog-tile--hosted:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Linked-reference tile — muted background, clickable, opens modal */
.catalog-tile--linked {
  background: var(--bg-base);
  cursor: pointer;
  display: block;
  width: 100%;
  text-align: left;
}

.catalog-tile--linked:hover {
  border-color: var(--border-subtle);
  background: var(--bg-surface);
}

.catalog-tile--linked:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.catalog-tile__badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.catalog-tile__category {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.8;
  margin-bottom: var(--space-2);
}

.catalog-tile__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
  line-height: 1.35;
}

.catalog-tile__desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.55;
}

.catalog-tile__desc--muted {
  font-style: italic;
}

/* Wide page override — allow 2-col catalog on wider layout */
.page-wrapper--wide {
  max-width: 900px;
}

@media (max-width: 600px) {
  .catalog-category__tiles {
    grid-template-columns: 1fr;
  }
}

/* ── Workbench-scope markdown pages (Brief 2) ────────────────────────────── */
/* Self-description + glossary served at /lab/rag/how-this-works and
   /lab/rag/glossary. Minimal styling — the content carries the page. */

.markdown-body {
  color: var(--text-secondary);
  line-height: 1.7;
}

.markdown-body h1 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0 0 var(--space-6);
}

.markdown-body h2 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin: var(--space-10) 0 var(--space-4);
}

.markdown-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: var(--space-6) 0 var(--space-3);
}

.markdown-body p {
  margin: 0 0 var(--space-4);
}

.markdown-body ul,
.markdown-body ol {
  padding-left: var(--space-6);
  margin: 0 0 var(--space-4);
}

.markdown-body li {
  margin-bottom: var(--space-2);
}

.markdown-body strong {
  color: var(--text-primary);
}

.markdown-body em {
  color: var(--text-primary);
  font-style: italic;
}

.markdown-body code {
  background: var(--bg-surface);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 13px;
  color: var(--accent);
}

.markdown-body a {
  color: var(--accent);
  text-decoration: none;
}

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

.markdown-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-8) 0;
}

.markdown-body blockquote {
  border-left: 2px solid var(--border-subtle);
  padding-left: var(--space-4);
  margin: var(--space-4) 0;
  color: var(--text-muted);
  font-style: italic;
}

/* ── Linked-reference expand modal ──────────────────────────────────────── */

.browse-modal-backdrop {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.browse-modal-backdrop[hidden] { display: none; }

.browse-modal {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.browse-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius);
  line-height: 1;
}

.browse-modal__close:hover { color: var(--text-primary); }
.browse-modal__close:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.browse-modal__body {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 14px;
  padding-right: var(--space-4);  /* avoid close button overlap on short content */
}

/* Reuse markdown-body styles for rendered document_summary */
.browse-modal__body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 var(--space-5);
  padding-right: var(--space-6);  /* clear close button */
}

.browse-modal__body ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.browse-modal__body li {
  margin-bottom: var(--space-4);
  line-height: 1.65;
}

.browse-modal__body li:last-child { margin-bottom: 0; }

.browse-modal__body strong {
  color: var(--text-primary);
}

.browse-modal__body a {
  color: var(--accent);
  text-decoration: none;
}

.browse-modal__body a:hover { text-decoration: underline; }

.browse-modal__footer {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
}

/* "Open at [source] ↗" primary action button */
.browse-modal__open-btn {
  display: inline-block;
  background: var(--accent);
  color: #000;
  font-size: 13px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity 120ms ease;
}

.browse-modal__open-btn:hover { opacity: 0.85; text-decoration: none; }
.browse-modal__open-btn:focus-visible {
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}

/* Reuters search-instruction note (no button) */
.browse-modal__search-note {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.6;
  margin: 0;
}

.browse-modal__search-note a {
  color: var(--accent);
  text-decoration: none;
}

.browse-modal__search-note a:hover { text-decoration: underline; }