:root {
  --bg: #fbfaf7; --fg: #1d1d1b; --muted: #6b6960; --line: #e3e0d8; --card: #ffffff;
  --accent: #8a3b12; --accent-bg: #f6ece4;
  --new: #1f6f43; --new-bg: #e3f2e9; --rest: #2a5599; --rest-bg: #e6edf8;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17171a; --fg: #e8e6e1; --muted: #9a978f; --line: #2d2d32; --card: #1f1f23;
    --accent: #f0a070; --accent-bg: #2b211b;
    --new: #7fd6a2; --new-bg: #17301f; --rest: #9cb9f0; --rest-bg: #1a2438;
  }
}
:root[data-theme="dark"] {
  --bg: #17171a; --fg: #e8e6e1; --muted: #9a978f; --line: #2d2d32; --card: #1f1f23;
  --accent: #f0a070; --accent-bg: #2b211b;
  --new: #7fd6a2; --new-bg: #17301f; --rest: #9cb9f0; --rest-bg: #1a2438;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header.site { border-bottom: 1px solid var(--line); padding: 12px 16px; font-weight: 600; }
header.site a { color: var(--fg); }
main { max-width: 860px; margin: 0 auto; padding: 16px 16px 48px; }
h1 { font-size: 1.7rem; line-height: 1.25; margin: 8px 0 4px; }
h2 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
  margin: 28px 0 10px; }
h3 { font-size: .95rem; color: var(--new); margin: 18px 0 8px; }
.lede, .id, .none, .note { color: var(--muted); }
.note { font-size: .92rem; }
.id { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .85rem; margin: 0 0 8px; }
.crumbs { font-size: .9rem; color: var(--muted); margin: 4px 0 8px; }
.crumbs span { margin: 0 4px; }
.badge { display: inline-block; font: 600 .72rem/1.6 system-ui, sans-serif; padding: 0 7px;
  border-radius: 999px; vertical-align: middle; letter-spacing: .02em; white-space: nowrap; }
.badge.new { color: var(--new); background: var(--new-bg); }
.badge.restored { color: var(--rest); background: var(--rest-bg); }
.badge.supp { color: var(--accent); background: var(--accent-bg); }
.plus { color: var(--new); font-weight: 600; }
ul.cats { list-style: none; padding: 0; margin: 0; display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px; }
ul.cats li { background: var(--card); border: 1px solid var(--line); border-radius: 8px; display: flex; }
ul.cats a { flex: 1; padding: 10px 12px; font-weight: 500; }
ul.cats .n { color: var(--muted); padding: 10px 12px; font-variant-numeric: tabular-nums; white-space: nowrap; }
ul.links { list-style: none; padding: 0; margin: 0; display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 8px; }
ul.links li { background: var(--card); border: 1px solid var(--line); border-radius: 8px; min-width: 0; }
ul.links a { display: block; padding: 10px 12px; height: 100%; box-sizing: border-box; }
ul.links .t { display: block; font-weight: 500; }
ul.links .d { display: block; margin-top: 2px; color: var(--muted); font-size: .9em; overflow-wrap: anywhere; }
ul.puzzles { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
ul.puzzles li { border-bottom: 1px solid var(--line); }
ul.puzzles a { display: flex; gap: 14px; padding: 8px 4px; color: var(--fg); }
ul.puzzles a:hover { background: var(--accent-bg); text-decoration: none; }
.pn { flex: 0 0 16em; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .88rem;
  color: var(--accent); overflow-wrap: anywhere; }
.pt { flex: 1; min-width: 0; }
.q { width: 100%; padding: 8px 10px; margin: 0 0 10px; font: inherit; color: var(--fg);
  background: var(--card); border: 1px solid var(--line); border-radius: 6px; }
pre.text { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; margin: 0;
  font: .9rem/1.5 ui-monospace, Menlo, Consolas, monospace; }
.added pre.text { border-left: 3px solid var(--new); }
details.sol { margin-top: 24px; }
details.sol summary { cursor: pointer; display: inline-block; padding: 8px 14px; border-radius: 6px;
  background: var(--accent-bg); color: var(--accent); font-weight: 600; margin-bottom: 10px; }
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 28px;
  padding-top: 12px; border-top: 1px solid var(--line); font-size: .92rem; }
footer { max-width: 860px; margin: 0 auto; padding: 0 16px 32px; color: var(--muted); font-size: .85rem; }
@media (max-width: 560px) { ul.puzzles a { flex-direction: column; gap: 0; } .pn { flex: none; } }