/* Shared typography, colors, navigation, and spacing come from the main website.
   Keep this file limited to the talks catalog. */
[hidden] { display: none !important; }
button, input { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
.intro > p { color: var(--muted); }
.featured { margin-top: 35px; padding: 23px 0 0; border-top: 1px solid var(--line); }
.feature-label { margin-bottom: 10px; color: var(--muted); font-size: 13px; }
.featured h2 { margin: 0 0 7px; }
.featured h2 a, .talk-row h4 a { color: var(--ink); text-decoration: none; }
.featured h2 a:hover, .talk-row h4 a:hover { color: var(--accent); text-decoration: underline; }
.featured .subtitle { margin-bottom: 14px; font-size: 17px; }
.featured .description { margin-bottom: 12px; color: var(--muted); font-size: 15px; }
.featured-event { margin-bottom: 10px; color: var(--muted); font-size: 14px; }
.featured-links, .talk-links { display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 14px; }
.featured-links { margin-bottom: 0; }
.collection { margin-top: 44px; }
.collection-heading h2 { margin: 0 0 9px; }
.collection-heading p { color: var(--muted); font-size: 15px; margin-bottom: 23px; }
.catalog-tools { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 20px; padding-bottom: 19px; border-bottom: 1px solid var(--line); }
.topic-filters { display: flex; flex-wrap: wrap; gap: 6px 17px; }
.topic-filters button { padding: 8px 0; background: transparent; color: var(--muted); border: 0; border-bottom: 1px solid transparent; font-size: 13px; }
.topic-filters button:hover, .topic-filters button[aria-pressed="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.search-field { flex: 0 1 225px; }
.search-field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.search-field input { min-width: 0; width: 100%; padding: 8px 10px; color: var(--ink); background: transparent; border: 1px solid var(--muted); border-radius: 3px; font-size: 14px; }
.search-field input::placeholder { color: var(--muted); opacity: 1; }
.result-count { margin: 10px 0 0; min-height: 22px; font-size: 12px; color: var(--muted); }
.talk-group { margin-top: 35px; }
.talk-group > h3 { margin: 0 0 16px; font-size: 18px; }
.talk-row { padding: 22px 0; border-top: 1px solid var(--line); }
.talk-row h4 { margin: 0 0 7px; font-size: 18px; font-weight: 550; letter-spacing: -.015em; line-height: 1.4; }
.talk-description { color: var(--muted); font-size: 15px; margin-bottom: 0; }
.talk-event { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.talk-links { margin-top: 9px; }
.empty-state { padding: 35px 0 0; }
.empty-state p { color: var(--muted); }
.empty-state button { background: transparent; border: 1px solid var(--accent); color: var(--accent); padding: 8px 13px; border-radius: 3px; font-size: 14px; }
@media (max-width: 600px) {
  .catalog-tools { gap: 15px; }
  .search-field { flex: 1 1 100%; }
  .topic-filters { column-gap: 16px; }
}
@media print {
  .catalog-tools, .result-count, .empty-state { display: none !important; }
  .talk-row, .featured { break-inside: avoid; }
}