/* Layout for BC Archive, built on the TerraFirma design system tokens (tf/styles.css). */
[hidden] { display: none !important; }

body { margin: 0; background: var(--tf-bg); color: var(--tf-text); }
a { color: var(--tf-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: var(--tf-leading-tight); }
h2 { font-size: var(--tf-text-lg); margin: var(--tf-space-8) 0 var(--tf-space-3); }
h3 { font-size: var(--tf-text-md); margin: var(--tf-space-6) 0 var(--tf-space-3); }
code { background: var(--tf-surface-sunken); padding: 1px 4px; border-radius: var(--tf-radius-sm); }
.muted { color: var(--tf-text-muted); }
.subtle { color: var(--tf-text-muted); font-weight: var(--tf-weight-regular); }
.count { color: var(--tf-text-muted); font-weight: var(--tf-weight-regular); font-size: var(--tf-text-base); margin-left: 6px; }
.plain { list-style: none; padding: 0; }
.plain li { padding: 4px 0; }
.stack { display: grid; gap: var(--tf-space-3); }

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: var(--tf-space-6);
  padding: var(--tf-space-3) var(--tf-page-pad);
  background: var(--tf-surface); border-bottom: 1px solid var(--tf-border);
}
.brand { display: flex; align-items: center; gap: var(--tf-space-2); color: var(--tf-text); font-weight: var(--tf-weight-black); white-space: nowrap; }
.brand img { height: 26px; }
.brand:hover { text-decoration: none; }
.topsearch { flex: 1; max-width: 560px; }
.topsearch .tf-input { width: 100%; }
.usermenu { display: flex; align-items: center; gap: var(--tf-space-4); margin-left: auto; font-size: var(--tf-text-sm); }
.usermenu form { margin: 0; }
.who { color: var(--tf-text-muted); max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.page { max-width: var(--tf-page-max); margin: 0 auto; padding: var(--tf-space-6) var(--tf-page-pad) var(--tf-space-12, 48px); }

.hero { max-width: 760px; margin: 10vh auto 0; text-align: center; }
.hero h1 { font-size: 28px; font-weight: var(--tf-weight-black); }
.hero__form { display: flex; gap: var(--tf-space-3); margin: var(--tf-space-6) 0; }
.hero__input { flex: 1; height: 48px; font-size: var(--tf-text-md); }

.filters { display: flex; flex-wrap: wrap; gap: var(--tf-space-2); margin-bottom: var(--tf-space-2); }
.chip { padding: 4px 12px; border: 1px solid var(--tf-border); border-radius: var(--tf-radius-full); color: var(--tf-text); font-size: var(--tf-text-sm); background: var(--tf-surface); }
.chip:hover { text-decoration: none; border-color: var(--tf-border-hover); }
.chip--on { background: var(--tf-text); color: var(--tf-bg); border-color: var(--tf-text); }

.notice { padding: var(--tf-space-3) var(--tf-space-4); border-radius: var(--tf-radius-md); margin: var(--tf-space-4) 0; }
.notice--warning { background: var(--tf-warning-bg); color: var(--tf-warning-fg); }
.notice--danger { background: var(--tf-danger-bg); color: var(--tf-danger-fg); }

.layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: var(--tf-page-gap); align-items: start; }
.layout__side { display: grid; gap: var(--tf-space-4); position: sticky; top: 72px; max-height: calc(100vh - 88px); overflow: auto; }
.layout__main > h2:first-child { margin-top: 0; }

.related { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--tf-space-3); }
.related__meta { color: var(--tf-text-muted); font-size: var(--tf-text-sm); margin-top: 2px; }

.fields { display: grid; grid-template-columns: max-content 1fr; gap: 4px var(--tf-space-3); margin: 0; font-size: var(--tf-text-sm); }
.fields dt { color: var(--tf-text-muted); }
.fields dd { margin: 0; overflow-wrap: anywhere; }

.files-head, .gallery-head { display: flex; align-items: baseline; justify-content: space-between; gap: var(--tf-space-3); flex-wrap: wrap; }
.files-head h2 { margin-top: 0; }
.files-head__actions { display: flex; gap: var(--tf-space-2); flex-wrap: wrap; }
.selall { font-size: var(--tf-text-sm); color: var(--tf-text-muted); display: flex; align-items: center; gap: 6px; cursor: pointer; }

.selbar {
  position: sticky; top: 60px; z-index: 5;
  display: flex; align-items: center; gap: var(--tf-space-3);
  padding: var(--tf-space-2) var(--tf-space-3); margin: 0 0 var(--tf-space-4);
  background: var(--tf-surface); border: 1px solid var(--tf-border); border-radius: var(--tf-radius-md);
  font-size: var(--tf-text-sm); color: var(--tf-text-muted);
}
.selbar__count { flex: 1; }
.selbar--active { border-color: var(--tf-primary); box-shadow: var(--tf-shadow-md); color: var(--tf-text); }
.selbar--active .selbar__count { font-weight: var(--tf-weight-bold); }
.pick { width: 28px; }
input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--tf-primary); cursor: pointer; }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: var(--tf-space-3); }
.gallery__item { display: flex; flex-direction: column; background: var(--tf-surface); border: 1px solid var(--tf-border); border-radius: var(--tf-radius-md); overflow: hidden; }
.gallery__item:hover { border-color: var(--tf-border-hover); box-shadow: var(--tf-shadow-md); }
.gallery__item--picked { border-color: var(--tf-primary); box-shadow: 0 0 0 2px var(--tf-focus-ring); }
.gallery__thumb { display: block; }
.gallery__thumb img, .gallery__noprev { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--tf-surface-sunken); display: block; }
.gallery__noprev { display: flex; align-items: center; justify-content: center; color: var(--tf-text-muted); font-weight: var(--tf-weight-bold); }
.gallery__bar { display: flex; align-items: center; gap: 4px; padding: 4px 4px 4px 8px; }
.gallery__pick { flex: 1; min-width: 0; display: flex; align-items: center; gap: 6px; cursor: pointer; }
.gallery__name { font-size: var(--tf-text-xs); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--tf-text-muted); }
.gallery__dl { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: var(--tf-radius-sm); color: var(--tf-text-muted); flex: none; }
.gallery__dl:hover { background: var(--tf-surface-hover); color: var(--tf-primary); text-decoration: none; }
.dl { font-size: var(--tf-text-sm); display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }

.login { max-width: 380px; margin: 12vh auto 0; display: grid; gap: var(--tf-space-4); text-align: center; }
.login__logo { height: 40px; margin: 0 auto; }
.login h1 { margin: 0; }
.breakglass { text-align: left; margin-top: var(--tf-space-6); color: var(--tf-text-muted); font-size: var(--tf-text-sm); }
.breakglass summary { cursor: pointer; }
.breakglass form { margin-top: var(--tf-space-3); }

.prose { max-width: 760px; }

@media (max-width: 1024px) {
  .layout { grid-template-columns: 1fr; }
  .layout__side { position: static; max-height: none; }
}
@media (max-width: 640px) {
  .selbar { top: 104px; flex-wrap: wrap; }
  .gallery { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .gallery__dl { width: 40px; height: 40px; }
  .topbar { flex-wrap: wrap; gap: var(--tf-space-3); }
  .topsearch { order: 3; flex-basis: 100%; max-width: none; }
  .hero__form { flex-direction: column; }
  .who { display: none; }
}

/* Preview panel */
.actions { white-space: nowrap; }
.actions .dl + .dl { margin-left: var(--tf-space-4); }
.viewer { width: min(1200px, 96vw); height: 92vh; max-width: none; max-height: none; padding: 0; border: 1px solid var(--tf-border); border-radius: var(--tf-radius-lg); background: var(--tf-surface); color: var(--tf-text); box-shadow: var(--tf-shadow-lg); overflow: hidden; }
.viewer[open] { display: flex; flex-direction: column; }
.viewer::backdrop { background: rgba(17, 25, 32, 0.6); }
.viewer__bar { display: flex; align-items: center; gap: var(--tf-space-2); padding: var(--tf-space-2) var(--tf-space-3); border-bottom: 1px solid var(--tf-border); flex-wrap: wrap; }
.viewer__name { flex: 1; min-width: 0; font-weight: var(--tf-weight-bold); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.viewer__pos { color: var(--tf-text-muted); font-size: var(--tf-text-sm); white-space: nowrap; }
.viewer__bar .tf-btn[disabled] { opacity: 0.4; cursor: default; }
.viewer__body { flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; background: var(--tf-surface-sunken); }
.viewer__body iframe.viewer__content { width: 100%; height: 100%; border: 0; background: #fff; }
.viewer__body img.viewer__content { max-width: 100%; max-height: 100%; object-fit: contain; }
@media (max-width: 640px) {
  .viewer { width: 100vw; height: 100vh; border-radius: 0; }
  .viewer__name { flex-basis: 100%; }
}