:root {
  color-scheme: light dark;
  --bg: #ffffff; --fg: #1a1a1a; --muted: #6b6b6b;
  --link: #0a58ca; --border: #e6e6e6; --code-bg: #f4f4f4;
  --input-bg: #ffffff; --fwd-bg: #eef2fb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000; --fg: #e6e6e6; --muted: #8a8a8a;
    --link: #6cb6ff; --border: #1c1c1c; --code-bg: #0d0d0d;
    --input-bg: #2a2a2a; --fwd-bg: #0a1024;
  }
}
* { box-sizing: border-box; }
body {
  width: 95vw; margin: 0 auto; padding: 1rem;
  font-family: system-ui, -apple-system, sans-serif; line-height: 1.6;
  background: var(--bg); color: var(--fg);
  min-height: 100vh; display: flex; flex-direction: column;
}
main { flex: 1 0 auto; display: flex; flex-direction: column; }
a, a:visited { color: var(--link); text-decoration: none; }
::selection {
    background-color: #292;
    color: #000;
}
img, video { max-width: 100%; height: auto; }
video { display: block; }
audio { width: 100%; }
.yt-embed { position: relative; aspect-ratio: 16 / 9; margin: 1rem 0; }
.yt-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.yt-link { display: block; font-size: .9em; margin-top: .25rem; }
.contact-btn { display: inline-block; padding: .45rem .9rem; border-radius: 6px; background: var(--code-bg); color: var(--fg); border: 1px solid var(--border); text-decoration: none; font-size: .9em; transition: background .15s ease, border-color .15s ease, transform .1s ease; }
.contact-btn:hover { background: var(--input-bg); border-color: var(--muted); transform: translateY(-1px); }
.contact-btn:active { background: var(--border); transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .contact-btn { transition: none; } .contact-btn:hover { transform: none; } }
.about-photo { max-width: 320px; width: 100%; height: auto; border-radius: 10px; display: block; margin: .5rem 0; }
/* Wikidata statements table (About page + in-post). */
.wd { margin: 1rem 0; overflow-x: auto; }
.wd figcaption { font-weight: 600; margin-bottom: .3rem; }
.wd .wd-qid { color: var(--muted); font-weight: 400; font-size: .85em; }
.wd table { border-collapse: collapse; width: 100%; font-size: .9em; }
.wd th, .wd td { text-align: left; padding: .3rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.wd th { color: var(--muted); font-weight: 500; }
.wd-spoiler { margin: 1rem 0; }
.wd-spoiler > summary { cursor: pointer; user-select: none; color: var(--link); }
.wd-spoiler > summary:hover { text-decoration: underline; }
.wd-spoiler .wd { margin-top: .5rem; }
/* Image carousel (opt-in) — swipe is native CSS scroll-snap; JS adds arrows/dots. */
.carousel { position: relative; margin: 1rem 0; }
.carousel-track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-track img { scroll-snap-align: center; flex: 0 0 100%; width: 100%; height: auto; }
.carousel-prev, .carousel-next { position: absolute; top: 50%; transform: translateY(-50%); width: 2.2rem; height: 2.2rem; border: 0; border-radius: 50%; background: rgba(0,0,0,.55); color: #fff; font-size: 1.3rem; line-height: 1; cursor: pointer; }
.carousel-prev { left: .4rem; }
.carousel-next { right: .4rem; }
.carousel-dots { display: flex; gap: .35rem; justify-content: center; margin-top: .4rem; }
.carousel-dots button { width: .5rem; height: .5rem; padding: 0; border: 0; border-radius: 50%; background: var(--muted); cursor: pointer; }
.carousel-dots button.active { background: var(--fg); }
/* CSS-only click-to-load facade (no JS): the iframe is display:none until the
   hidden checkbox is checked, so loading=lazy defers its fetch until click. */
.yt-embed .yt-toggle { position: absolute; width: 0; height: 0; opacity: 0; }
.yt-embed .yt-facade { position: absolute; inset: 0; cursor: pointer; display: block; }
.yt-embed .yt-facade img { width: 100%; height: 100%; object-fit: cover; display: block; }
.yt-embed .yt-btn { position: absolute; inset: 0; margin: auto; width: 4.2rem; height: 3rem; display: flex; align-items: center; justify-content: center; color: #fff; background: rgba(0,0,0,.65); border-radius: 12px; }
.yt-embed .yt-frame { display: none; }
.ap-embed { margin: 1rem 0; }
.ap-embed iframe { width: 100%; max-width: 660px; height: 175px; border: 0; border-radius: 10px; }
.ap-embed .ap-link { display: block; font-size: .85rem; margin-top: .3rem; }
.ym-embed { margin: 1rem 0; }
.ym-embed iframe { width: 100%; max-width: 900px; height: 180px; border: 0; }
.ym-embed .ym-link { display: block; font-size: .85rem; margin-top: .3rem; }
blockquote.instagram-media { max-width: 540px; margin: 1rem 0; padding: .5rem 1rem; }
.sp-embed { margin: 1rem 0; }
.sp-embed iframe { width: 100%; max-width: 660px; height: 152px; border: 0; border-radius: 12px; }
.sp-embed .sp-link { display: block; font-size: .85rem; margin-top: .3rem; }
.yt-embed .yt-toggle:checked ~ .yt-facade { display: none; }
.yt-embed .yt-toggle:checked ~ .yt-frame { display: block; }
.tag { white-space: nowrap; }
pre { background: var(--code-bg); padding: .75rem; border-radius: 4px; overflow-x: auto; }
code { background: var(--code-bg); padding: .1rem .3rem; border-radius: 4px; }
pre code { padding: 0; background: none; }
.site-header { display: flex; gap: .6rem; align-items: center; padding-bottom: .5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.site-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; display: block; }
.site-title { font-weight: 700; text-decoration: none; color: var(--fg); }
.site-header nav a, .site-header nav .here { margin-left: 1.4rem; }
.site-search { margin-left: auto; }
.site-search input, input.site-search {
  background: var(--input-bg); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
  padding: .3rem .55rem; font: inherit; width: 9rem;
  transition: width .2s ease;
}
/* Expand on click/focus — CSS only, no JS. */
.site-search input:focus, input.site-search:focus { width: min(22rem, 60vw); }
input.site-search { margin-left: auto; }
.site-search.els { position: relative; margin-left: auto; }
.search-results {
  position: absolute; right: 0; top: 100%; z-index: 30;
  margin: .25rem 0 0; padding: 0; list-style: none;
  min-width: 14rem; max-width: min(28rem, 80vw); max-height: 60vh; overflow: auto;
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
}
.search-results[hidden] { display: none; }
.search-results li { margin: 0; padding: 0; }
.search-results a { display: block; padding: .4rem .6rem; text-decoration: none; color: var(--fg); }
.search-results a:hover, .search-results a:focus { background: var(--input-bg); }
.post-list { list-style: none; padding: 0; }
.post-list li { padding: .2rem 0; }
.post-list time { color: var(--muted); font-size: .85em; margin-left: .5rem; }
.post { margin: 0 0 2.5rem; }
.post.forwarded { background: var(--fwd-bg); border-radius: 8px; padding: .75rem 1rem; }
.about-avatar { float: left; margin: 0 1rem .5rem 0; }
.post-title { margin: 0 0 .25rem; font-size: 1.25rem; }
.more { margin: 2rem 0; }
.views, .meta { color: var(--muted); font-size: .85em; }
.meta { font-size: .9em; }
.tags a { margin-right: .5rem; white-space: nowrap; }
.pager { display: flex; justify-content: space-between; margin: 2rem 0; }
.post-nav { display: flex; justify-content: space-between; gap: 1rem; margin: 1.5rem 0 0; padding-top: 1rem; margin-top: auto; }
.tg-link { margin-top: 1rem; font-size: .9em; }
.spoiler { background: var(--fg); border-radius: 3px; transition: background .1s; }
.spoiler:hover { background: transparent; }
.site-footer { margin-top: 3rem; color: var(--muted); font-size: .8rem; border-top: 1px solid var(--border); padding-top: .5rem; }
blockquote { border-left: 3px solid var(--border); margin: .5rem 0; padding-left: .75rem; color: var(--muted); }
.here { font-weight: 700; }

/* Calendar */
.cal-years { margin: .5rem 0 1.5rem; line-height: 1.9; }
.cal-years a { margin-right: .7rem; }
.cal-year { margin: 1.5rem 0 .5rem; }
.cal-months { display: flex; flex-wrap: wrap; gap: 1.4rem; }
table.cal { border-collapse: collapse; font-size: .8rem; }
table.cal caption { text-align: left; font-weight: 700; padding-bottom: .3rem; }
table.cal th { font-weight: 400; color: var(--muted); padding: .1rem; text-align: center; }
table.cal td { width: 1.95rem; height: 1.7rem; text-align: center; padding: 0; }
table.cal td.on a { display: block; line-height: 1.7rem; border-radius: 4px; text-decoration: none; background: var(--code-bg); font-weight: 700; }
table.cal td.off { color: var(--muted); opacity: .45; }
table.cal td.c2 a { font-size: 1.05rem; }
table.cal td.c3 a { font-size: 1.35rem; font-weight: 800; }

/* Recent commits (About page) */
.commits { list-style: none; padding: 0; font-size: .9em; }
.commits li { padding: .15rem 0; }
.commits code { background: var(--code-bg); padding: .05rem .3rem; border-radius: 3px; }
.commits .cdate { color: var(--muted); font-size: .85em; margin-left: .4rem; }

/* Mobile: use more of a narrow screen — less left/right inset. */
@media (max-width: 640px) {
  body { width: auto; padding: 1rem .5rem; }
  .cal-months { gap: .9rem; }
}