.archive { scroll-margin-top: 6rem; padding-block: 5rem; }
.archive-heading { margin-bottom: 3rem; }
.archive-heading h2 { font-size: clamp(3rem, 6vw, 5rem); line-height: 1.1; letter-spacing: -.04em; margin: .8rem 0 1rem; }
.archive-heading > p:last-child { color: var(--fg-2); font-size: 1.1rem; }
.archive-layout { display: grid; grid-template-columns: minmax(10rem, 24%) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); }
.archive-index { border-right: 1px solid var(--line); padding-right: 2rem; }
.archive-index__year { margin-bottom: 2rem; }
.archive-index__year > strong { display: block; font-size: 1.4rem; padding: .7rem 1rem; }
.archive-index button { width: 100%; display: flex; justify-content: space-between; align-items: center; text-align: start; gap: .5rem; border: 1px solid transparent; padding: .85rem 1rem; border-radius: 2rem; min-height: 48px; color: var(--fg-2); }
.archive-index button[aria-current="true"], .archive-filters button[aria-pressed="true"] { color: #1763cf; background: var(--glass-fill-strong); border-color: var(--glass-edge); box-shadow: inset 0 1px 2px var(--glass-edge), 0 4px 18px #3479db16; }
.archive-filters { display: flex; width: min(100%, 32rem); padding: 4px; border: 1px solid var(--line); border-radius: 2rem; background: var(--bg-sub); backdrop-filter: blur(16px); }
.archive-filters button { flex: 1; min-width: 0; min-height: 44px; padding: .6rem .3rem; border-radius: 2rem; border: 1px solid transparent; color: var(--fg-2); font-size: .9rem; }
.archive-status { margin: 1rem 0; color: var(--fg-2); font-size: .8rem; }
.archive-year > summary, .archive-month > summary { cursor: pointer; display: flex; align-items: center; gap: .8rem; list-style: none; min-height: 64px; padding: 1rem 0; }
.archive summary::-webkit-details-marker { display: none; }
.archive summary::after { content: ''; width: .5rem; height: .5rem; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); margin-left: auto; flex-shrink: 0; }
.archive details[open] > summary::after { transform: rotate(225deg); }
.archive-year > summary { font-size: 1.5rem; border-top: 1px solid var(--line); }
.archive summary small { color: var(--fg-2); font-size: .8rem; font-weight: 400; }
.archive-month { scroll-margin-top: 6rem; border-bottom: 1px solid var(--line); }
.archive-month > summary { font-size: 1.2rem; }
.archive-current, .archive-entry__type { background: #3a83f714; color: #1763cf; border-radius: 2rem; padding: .25rem .7rem; font-size: .75rem; white-space: nowrap; }
.archive-entry { display: grid; width: 100%; grid-template-columns: 3.7rem minmax(0,1fr) auto .7rem; gap: 1rem; text-align: start; align-items: center; padding: 1.5rem 0; border-top: 1px solid var(--line-soft); color: var(--fg); min-height: 64px; }
.archive-entry__date { font-size: .85rem; color: var(--fg-2); font-variant-numeric: tabular-nums; }
.archive-entry__title { display: block; font-weight: 500; overflow-wrap: anywhere; line-height: 1.6; }
.archive-entry__desc { display: block; color: var(--fg-2); font-size: .85rem; margin-top: .5rem; overflow-wrap: anywhere; }
.archive-entry__type--writing { color: #7255ba; background: #8952ee14; }
.archive-entry__type--news { color: #087d73; background: #0fd9ae14; }
.archive-note { text-align: center; color: var(--fg-2); font-size: .8rem; margin-top: 3rem; line-height: 1.8; }
.archive-empty { padding: 3rem 0; color: var(--fg-2); }
.archive button:focus-visible, .archive summary:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
@media (hover: hover) { .archive-entry:hover { background: var(--hover); } }
@media (prefers-reduced-motion: no-preference) { .archive button { transition: background .18s, box-shadow .18s, transform .18s; } .archive button:active { transform: scale(.985); } }
@media (max-width: 48rem) {
  .archive { padding-block: 3rem; }
  .archive-layout { display: block; }
  .archive-index { display: none; }
  .archive-heading { margin-bottom: 2rem; }
  .archive-filters { width: 100%; }
  .archive-year { margin-block: 1rem; }
  .archive-year > summary { border: 1px solid var(--line); border-radius: 1rem; padding: 1rem; background: var(--glass-fill); }
  .archive-year__months { border-left: 1px solid var(--line); margin: 1rem 0 1rem .5rem; padding-left: 1rem; }
  .archive-month > summary { flex-wrap: wrap; gap: .5rem; font-size: 1.1rem; }
  .archive-entry { grid-template-columns: 2.8rem minmax(0,1fr) auto .4rem; gap: .5rem; padding-block: 1.15rem; }
  .archive-entry__desc { display: none; }
  .archive-entry__type { padding: .2rem .45rem; font-size: .65rem; }
  .archive-entry__title { font-size: .9rem; }
  .archive-entry__date { font-size: .75rem; }
}