/* ============================================================
   Archive (article list) page — extends theme.css
   ============================================================ */

/* Page header */
.arc-head {
  padding: 90px 0 60px;
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}
.arc-head-num {
  position: absolute; top: 30px; right: 36px;
  font-family: var(--display); font-style: italic;
  font-size: 280px; font-weight: 300; line-height: 1;
  color: var(--accent); opacity: .08; pointer-events: none;
  font-variation-settings: 'opsz' 144;
  letter-spacing: -.04em;
}
.arc-head-grid {
  display:grid; grid-template-columns: 1.4fr 1fr;
  gap: 80px; align-items: flex-end;
}
.arc-title {
  font-family: var(--display); font-weight: 300;
  font-size: clamp(48px, 6.4vw, 92px);
  line-height: 1.02; letter-spacing: -.025em;
  margin: 24px 0 0;
  max-width: 14ch;
}
.arc-title em { font-style: italic; color: var(--accent); font-variation-settings: 'opsz' 144; }
.arc-desc {
  font-size: 17px; line-height: 1.65; color: var(--ink-2);
  max-width: 50ch; margin: 0 0 24px;
}
.arc-stats {
  display:flex; gap: 40px; flex-wrap: wrap;
  padding-top: 20px; border-top: 1px solid var(--rule);
}
.arc-stat .k { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.arc-stat .v { font-family: var(--display); font-size: 28px; font-weight: 400; letter-spacing: -.01em; }
.arc-stat .v em { font-style: italic; color: var(--accent); font-variation-settings: 'opsz' 144; }

/* Filter bar */
.arc-filter {
  position: sticky; top: 70px; z-index: 40;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rule);
}
.arc-filter-row {
  display:flex; align-items:center; justify-content: space-between;
  padding: 16px 0; gap: 24px; flex-wrap: wrap;
}
.arc-tags { display:flex; gap: 6px; flex-wrap: wrap; }
.arc-tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: .06em;
  padding: 6px 12px; border-radius: 999px;
  background: transparent; border: 1px solid var(--rule); color: var(--ink-2);
  cursor: pointer; transition: background .2s, color .2s, border-color .2s;
}
.arc-tag:hover { color: var(--accent); border-color: var(--accent); }
.arc-tag.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.arc-tag .count { color: var(--muted); margin-left: 6px; font-size: 10px; }
.arc-tag.on .count { color: color-mix(in oklab, var(--bg) 60%, transparent); }
.arc-controls { display:flex; gap: 12px; align-items: center; font-family: var(--mono); font-size: 11px; color: var(--muted); letter-spacing: .04em; }
.arc-controls .sep { color: var(--rule-2); }
.arc-sort {
  background: transparent; border: 0; cursor: pointer;
  color: var(--ink); font-family: var(--mono); font-size: 11px; letter-spacing: .04em;
}
.arc-sort:hover { color: var(--accent); }

/* Year sections */
.arc-list { padding: 60px 0 80px; }
.arc-year {
  display:flex; align-items: baseline; gap: 20px;
  margin: 60px 0 28px;
  padding-bottom: 14px; border-bottom: 1px solid var(--ink);
}
.arc-year:first-of-type { margin-top: 0; }
.arc-year-num {
  font-family: var(--display); font-style: italic; font-weight: 400;
  font-size: 48px; letter-spacing: -.02em; line-height: 1;
  color: var(--accent);
  font-variation-settings: 'opsz' 144;
}
.arc-year-eye {
  font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted);
}
.arc-year-eye::before { content: '· '; color: var(--rule-2); margin-right: 4px; }
.arc-year-line { flex: 1; height: 1px; background: var(--rule); align-self: center; }
.arc-year-count {
  font-family: var(--mono); font-size: 11px; color: var(--ink-2);
  letter-spacing: .04em;
}

/* Article rows */
.arc-items { display:grid; grid-template-columns: 1fr; gap: 0; }
.arc-item {
  display:grid;
  grid-template-columns: 60px 100px 1fr 130px;
  gap: 32px;
  padding: 28px 0;
  border-top: 1px solid var(--rule);
  cursor: pointer;
  transition: padding .25s, background .25s;
  align-items: baseline;
  text-decoration: none; color: inherit;
}
.arc-items > .arc-item:last-child { border-bottom: 1px solid var(--rule); }
.arc-item:hover { background: var(--accent-soft); padding-left: 16px; padding-right: 16px; }
.arc-item:hover .arc-item-title { color: var(--accent); }
.arc-item:hover .arc-item-idx { color: var(--accent); }
.arc-item-idx {
  font-family: var(--display); font-style: italic; font-size: 22px;
  color: var(--muted); transition: color .2s;
  font-variation-settings: 'opsz' 144;
  letter-spacing: -.01em;
}
.arc-item-idx .hash { font-size: .7em; vertical-align: .15em; margin-right: 2px; opacity: .7; }
.arc-item-date {
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  letter-spacing: .04em;
}
.arc-item-title {
  font-family: var(--display); font-size: 24px; line-height: 1.25;
  letter-spacing: -.012em; margin: 0 0 8px;
  transition: color .2s;
}
.arc-item-excerpt {
  font-size: 14px; color: var(--ink-2); line-height: 1.55;
  max-width: 64ch;
}
.arc-item-meta { text-align: right; }
.arc-item-tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-2);
  padding: 3px 8px; border:1px solid var(--rule); border-radius: 999px;
  display:inline-block; margin-bottom: 6px; white-space: nowrap;
}
.arc-item-time {
  display:block; font-family: var(--mono); font-size: 10px;
  color: var(--muted); letter-spacing: .04em; white-space: nowrap;
}

/* Empty state */
.arc-empty {
  padding: 100px 20px; text-align: center;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.arc-empty .mark {
  font-family: var(--display); font-style: italic; font-size: 60px;
  color: var(--accent); margin-bottom: 16px; line-height: 1;
  font-variation-settings: 'opsz' 144;
}
.arc-empty p { color: var(--muted); font-size: 14px; }
.arc-empty button {
  margin-top: 18px; padding: 8px 18px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  background: var(--ink); color: var(--bg); border: 0; border-radius: 999px;
  cursor: pointer;
}

/* Article title link — remove underline */
.a-title a { text-decoration: none; color: inherit; }
.a-title a:hover { color: var(--accent); }

/* Article meta */
.a-meta {
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  letter-spacing: .04em; margin-top: 8px;
}
.a-meta .sep { margin: 0 6px; color: var(--rule-2); }
.a-meta-tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent);
}

/* Pagination */
.arc-pagination {
  margin-top: 60px; padding-top: 32px;
  border-top: 1px solid var(--rule);
  text-align: center;
  font-family: var(--mono); font-size: 13px; letter-spacing: .06em;
}
.arc-pagination a,
.arc-pagination span {
  display: inline-block; padding: 8px 16px; margin: 0 4px;
  color: var(--ink-2); text-decoration: none;
  border: 1px solid var(--rule); border-radius: 4px;
  transition: all .2s;
}
.arc-pagination a:hover { color: var(--accent); border-color: var(--accent); }
.arc-pagination .current { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* Empty state */
.arc-empty {
  text-align: center; padding: 80px 0;
  font-family: var(--display); font-size: 20px; color: var(--ink-2);
}

@media (max-width: 900px) {
  .arc-head-grid { grid-template-columns: 1fr; gap: 24px; align-items: flex-start; }
  .arc-head-num { font-size: 180px; }
  .arc-item { grid-template-columns: 40px 80px 1fr; gap: 14px; }
  .arc-item-meta { display: none; }
  .arc-filter { top: 60px; }
}