/* Private gallery: scoped app chrome, never browser annotation overlays. */
:root {
  --paper: #F3F2EE;
  --ink: #313433;
  --muted: #686D69;
  --line: #D9DBD5;
  --red: #A14435;
  --ui-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
}
body { background: var(--paper); color: var(--ink); font-family: var(--ui-font); }
header.masthead {
  height: 80px;
  gap: 32px;
  border-color: var(--line);
}
header.masthead .brand { gap: 12px; font-size: 27px; letter-spacing: .14em; line-height: 1.2; }
header.masthead .brand-seal { display: block; width: 36px; height: 36px; flex: 0 0 36px; }
header.masthead > nav[aria-label="主导航"] {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 26px;
}
header.masthead > nav[aria-label="主导航"] > a,
header.masthead #album-filter-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  flex: 0 0 auto;
  height: 40px;
  min-height: 40px;
  margin: 0;
  padding: 0;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--ui-font);
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  letter-spacing: .02em;
  white-space: nowrap;
}
header.masthead #album-filter-toggle[hidden] { display: none; }
header.masthead > nav[aria-label="主导航"] > a[aria-current="page"],
header.masthead #album-filter-toggle[aria-expanded="true"] { color: var(--red); border-bottom-color: var(--red); }
header.masthead > nav[aria-label="主导航"] > a:hover,
header.masthead #album-filter-toggle:hover { color: var(--red); }
header.masthead .account-link { font-size: 12px; color: var(--muted); }
header.masthead .account-link span { color: inherit; }
main :is(h1,h2,h3) { color: var(--ink); font-weight: 500; }
main .page-heading { padding: 28px 0 20px; margin-bottom: 24px; border-color: var(--line); }
main .page-heading h1 { font-size: 32px; letter-spacing: .04em; margin: 0; }
main :is(.story-card,.source-card,.person-card,.photo-panel,.login-panel,.family-actionbar,.visit-stats article) {
  background: #F8F7F3;
  border-color: var(--line);
  box-shadow: none;
}
main .story-card::before { display: none; }
main .person-card:hover { transform: none; }
main :is(.story-card,.source-card) h2 { font-size: 24px; }
main .tree-heading h2 { font-size: 25px; }
main :is(.photo-toolbar,.pagination,.photo-hover time,.detail-meta,.chapter,.photo-caption small) {
  font-size: 12px;
  color: var(--muted);
}
main .photo-hover time { color: #F3F2EE; }
main :is(.photo-panel,.family-actionbar,.login-panel,.visit-daily) { border-radius: 2px; }
main form :is(input,select,textarea):not([type="checkbox"]):not([type="radio"]):not([type="hidden"]) {
  background: #FAF9F6;
  border-color: #C5C9C3;
  color: var(--ink);
}
main button { background: var(--red); border-color: var(--red); color: #FFF; font-weight: 500; }
main button:hover { background: #88392D; }
main button.secondary, main .filter-reset {
  background: transparent;
  border: 1px solid #BFC4BD;
  color: var(--ink);
}
main button.secondary:hover, main .filter-reset:hover { background: #E8E9E3; border-color: #8B938A; }
main .family-tabs button.secondary { border-color: transparent; }
main .family-tabs button { padding-inline: 14px; }
main .family-tree { border-color: var(--line); background: #F8F7F3; }
main .tree-person rect { fill: #F3F2EE; stroke: var(--red); }
main .tree-person.is-selected rect { fill: #EAE4DB; }
main .tree-popover { background: #FAF9F6; border-color: var(--line); box-shadow: 0 4px 16px #31343316; }
main .app-help { margin: 12px 0; color: var(--muted); font-size: 13px; }
main .app-help > summary { cursor: pointer; display: list-item; }
main .app-help p { margin: 8px 0; }
main .login-layout { display: block; min-height: 0; max-width: 440px; margin: 56px auto; }
main .login-panel { padding: 32px; }
main .login-panel h2 { margin: 0 0 24px; font-size: 28px; }
main .login-panel form { margin-top: 0; }
main .login-panel form > button { letter-spacing: .08em; }
body > footer.app-footer { margin-top: 48px; padding-top: 18px; padding-bottom: 20px; font-size: 11px; letter-spacing: .08em; color: var(--muted); border-color: var(--line); }
@media (max-width: 1000px) {
  header.masthead { height: auto; min-height: 80px; padding: 18px 25px 12px; gap: 12px 24px; flex-wrap: wrap; }
  header.masthead > nav[aria-label="主导航"] { order: 3; width: 100%; justify-content: space-between; gap: 12px; }
}
@media (max-width: 600px) {
  header.masthead { padding: 16px 20px 8px; }
  header.masthead .brand { gap: 10px; font-size: 23px; }
  header.masthead .brand-seal { width: 32px; height: 32px; flex-basis: 32px; }
  header.masthead > nav[aria-label="主导航"] { gap: 6px; }
  header.masthead > nav[aria-label="主导航"] > a,
  header.masthead #album-filter-toggle { font-size: 13px; min-height: 44px; height: 44px; letter-spacing: 0; }
  header.masthead .account-link { max-width: 32%; display: inline-flex; align-items: center; }
  header.masthead .account-name { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
  header.masthead .account-link > span:last-child { flex-shrink: 0; white-space: pre; }
  main .page-heading h1 { font-size: 28px; }
  main .login-layout { margin: 32px auto; }
  main .login-panel { padding: 24px; }
}