/* Collection and annual differences share the existing Chronoscope tokens. */
.chrono-collection-entry { margin: 14px 0; padding: 12px; border-radius: 12px; background: #edf3ef; }
.chrono-collection-entry .chrono-entry-choice { background: #fff; }
.chrono-exploration { margin: 22px 0; padding: 24px; background: #eef3ed; border: 1px solid #c7d6cc; border-radius: 16px; }
.chrono-exploration h2 { margin: 4px 0 16px; font-size: 1.65rem; }
.chrono-exploration h3 { margin: 20px 0 8px; font-size: 1.15rem; }
.chrono-exploration > p { max-width: 72ch; }
.chrono-exploration-years { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 6px; }
.chrono-exploration-years a { display: grid; place-items: center; min-height: 44px; border: 1px solid #adc3b7; border-radius: 8px; background: #fff; font-size: .9rem; font-weight: 700; text-decoration: none; }
.chrono-exploration-years a[aria-current=true] { background: #183548; border-color: #183548; color: #fff; }
.chrono-exploration-notices { margin: 12px 0; padding-left: 22px; line-height: 1.65; }
.chrono-exploration-turns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 18px; }
.chrono-exploration-turns a { display: flex; flex-direction: column; gap: 4px; min-height: 44px; padding: 12px 14px; background: #fff; border: 1px solid #adc3b7; border-radius: 10px; text-decoration: none; }
.chrono-exploration-turns small { color: #506471; }
.chrono-exploration-turns strong { font-size: .95rem; }
.chrono-changes { margin: 22px 0; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.chrono-changes h2 { font-size: 1.6rem; }
.chrono-changes-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.chrono-changes-grid > div { min-width: 0; border-top: 2px solid #c7d6cc; padding-top: 10px; }
.chrono-changes h3 { margin: 0 0 10px; font-size: 1rem; line-height: 1.4; }
.chrono-changes ul { padding-left: 18px; margin: 8px 0; }
.chrono-changes li { margin: 6px 0; line-height: 1.45; }
.chrono-changes li a { display: inline-block; padding: 3px 0; }
.chrono-changes p, .chrono-changes li, .chrono-changes summary { font-size: .9rem; }
.chrono-changes .chrono-change-label { font-weight: 700; margin: 10px 0 4px; }
.chrono-changes-note { margin: 16px 0 0; color: #506471; }
.chrono-changes-uncertain { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 12px; }
.chrono-exploration-reading { margin: 16px 0 28px; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.chrono-exploration-reading > details > summary { font-weight: 700; line-height: 1.5; }
.chrono-collection-index { padding-left: 22px; }
.chrono-collection-index > li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.chrono-collection-index p { margin: 8px 0; }
.chrono-collection-documents { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.chrono-collection-documents > article { min-width: 0; padding: 18px; border: 1px solid var(--line); border-radius: 12px; }
.chrono-collection-documents h4 { margin: 8px 0; font-size: 1.1rem; }
.chrono-collection-documents a, .chrono-exploration a, .chrono-changes a { overflow-wrap: anywhere; }
.chrono-exploration-years[hidden] { display: none; }
@media (max-width: 760px) {
  .chrono-exploration, .chrono-changes, .chrono-exploration-reading { padding: 16px; }
  .chrono-exploration-years { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .chrono-changes-grid, .chrono-collection-documents { grid-template-columns: 1fr; gap: 16px; }
  .chrono-exploration-turns { grid-template-columns: 1fr; }
  .chrono-exploration h2, .chrono-changes h2 { font-size: 1.4rem; }
  .chrono-collection-documents > article { padding: 14px; }
}