/* ==========================================================================
   Content pages: announcement cards + feed, single post, wiki.
   (Post cards are also used on the home teaser.)
   ========================================================================== */

/* ---------- post card ---------- */
.post-card{
  position:relative;display:flex;flex-direction:column;border-radius:var(--radius-md);overflow:hidden;text-decoration:none;color:inherit;
  background:var(--card-bg);border:1px solid var(--border);
  transition:transform .45s var(--ease), border-color .3s ease, box-shadow .45s var(--ease), opacity .9s var(--ease) var(--d), translate .9s var(--ease) var(--d);
}
.post-card[data-reveal="up"]{transform:none;translate:0 34px;}
.post-card[data-reveal="up"].is-in{translate:0 0;}
/* the title link stretches over the whole card (::after), so the card is
   clickable without nesting the like button inside an <a> */
.post-card-link{color:inherit;text-decoration:none;}
.post-card-link::after{content:'';position:absolute;inset:0;z-index:1;border-radius:inherit;}
.post-card-link:focus-visible{outline:none;}
.post-card.has-link:focus-within{outline:2px solid var(--accent);outline-offset:3px;}
.post-card.has-link:hover{border-color:var(--accent-border);box-shadow:0 24px 50px -24px var(--accent-glow);}
@media (hover:hover){.post-card.has-link:hover{transform:translateY(-6px);}}
.post-card.is-pinned{border-color:rgba(245,197,66,.35);}
.post-card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.post-card-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease);}
.post-card.has-link:hover .post-card-cover img{transform:scale(1.05);}
.post-card-cover .pin-badge{position:absolute;z-index:2;top:12px;left:12px;background:rgba(3,11,10,.8);backdrop-filter:blur(6px);}
.post-cover-ph{
  position:absolute;inset:0;display:grid;place-items:center;
  background:
    radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--ph) 28%, transparent), transparent 60%),
    repeating-linear-gradient(0deg, transparent 0 15px, rgba(164,245,201,.05) 15px 16px),
    repeating-linear-gradient(90deg, transparent 0 15px, rgba(164,245,201,.05) 15px 16px),
    var(--surface);
}
.post-cover-ph span{font-size:44px;color:transparent;-webkit-text-stroke:1.5px color-mix(in srgb, var(--ph) 70%, transparent);}
.post-card-body{display:flex;flex-direction:column;gap:12px;padding:20px 22px 22px;flex:1;}
.post-card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;font-family:var(--f-mono);font-size:11.5px;color:var(--text-dim);}
.post-card-read{display:inline-flex;align-items:center;gap:5px;}
.post-card-read svg{width:12px;height:12px;}
.post-card-title{font-family:var(--f-display);font-size:19px;line-height:1.25;letter-spacing:-.025em;transition:color .2s ease;text-wrap:balance;}
.post-card.has-link:hover .post-card-title{color:var(--mint);}
.post-card-excerpt{color:var(--text-soft);font-size:14px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-card-stats{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--border-hair);font-family:var(--f-mono);font-size:12px;color:var(--text-dim);}
.post-card-stats > span{display:inline-flex;align-items:center;gap:6px;}
.post-card-stats svg{width:14px;height:14px;}
/* featured: horizontal on wide screens */
.post-card.is-featured .post-card-title{font-size:clamp(22px,2.6vw,34px);}
@media (min-width:901px){
  .posts-grid .post-card.is-featured{grid-column:1 / -1;flex-direction:row;}
  .posts-grid .post-card.is-featured .post-card-cover{flex:0 0 58%;aspect-ratio:auto;min-height:340px;}
  .posts-grid .post-card.is-featured .post-card-body{padding:34px;justify-content:center;}
  .posts-grid .post-card.is-featured .post-card-excerpt{-webkit-line-clamp:4;font-size:15.5px;}
  .home-news-grid .post-card.is-featured .post-card-cover{aspect-ratio:16/10;}
}

/* ---------- like button ---------- */
.like-btn{display:inline-flex;align-items:center;gap:6px;background:none;border:none;padding:4px 6px;margin:-4px -6px;border-radius:6px;font-family:var(--f-mono);font-size:12px;color:var(--text-dim);transition:color .15s ease, background .15s ease;position:relative;z-index:2;}
.like-btn svg{width:15px;height:15px;transition:transform .25s var(--ease-back), fill .15s ease;}
.like-btn:hover{color:var(--like);background:rgba(255,92,134,.08);}
.like-btn.liked{color:var(--like);}
.like-btn.liked svg{fill:var(--like);}
.like-btn.pulse svg{animation:likePulse .45s var(--ease-back);}
@keyframes likePulse{40%{transform:scale(1.35);}}
.like-btn:disabled{opacity:.6;cursor:default;}

/* ---------- announcements feed ---------- */
.feed{padding-bottom:120px;}
.feed-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--border-hair);}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px;}
.filter-chip{
  font-family:var(--f-mono);font-size:12px;padding:7px 14px;border-radius:var(--radius-pill);background:var(--glass);border:1px solid var(--border);color:var(--text-soft);transition:all .2s ease;
}
.filter-chip:hover{border-color:var(--accent-border);color:var(--text);}
.filter-chip[aria-pressed="true"]{background:var(--mint);border-color:var(--mint);color:var(--teal-ink);font-weight:500;}
.filter-chip small{opacity:.7;margin-left:4px;}
.feed-search{position:relative;min-width:240px;}
.feed-search input{width:100%;padding:9px 12px 9px 36px;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;}
.feed-search input:focus{outline:none;border-color:var(--accent-border);box-shadow:0 0 0 3px var(--accent-soft);}
.feed-search svg{position:absolute;left:11px;top:50%;width:16px;height:16px;margin-top:-8px;color:var(--text-dim);}
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.feed-more{display:flex;justify-content:center;margin-top:40px;}
@media (max-width:1000px){.posts-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:640px){.posts-grid{grid-template-columns:1fr;}.feed-search{min-width:0;flex:1;}}
.feed-skeleton{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.feed-skeleton .skeleton{height:340px;border-radius:var(--radius-md);}
@media (max-width:1000px){.feed-skeleton{grid-template-columns:1fr 1fr;}}
@media (max-width:640px){.feed-skeleton{grid-template-columns:1fr;}}

/* ---------- single post ---------- */
.post{padding:calc(var(--nav-h) + 56px) 0 100px;}
.post-wrap{max-width:720px;margin:0 auto;}
.post-back{display:inline-flex;align-items:center;gap:8px;color:var(--text-soft);font-size:14px;text-decoration:none;margin-bottom:34px;transition:color .2s ease, gap .25s var(--ease);}
.post-back:hover{color:var(--mint);gap:12px;}
.post-back svg{width:16px;height:16px;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-family:var(--f-mono);font-size:12.5px;color:var(--text-dim);}
.post-title{font-size:clamp(34px,5.6vw,64px);letter-spacing:-.045em;line-height:1;margin:18px 0 18px;text-wrap:balance;}
.post-dek{font-size:clamp(17px,1.8vw,20px);color:var(--text-soft);line-height:1.6;margin-bottom:26px;}
.post-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:14px 0;border-top:1px solid var(--border-hair);border-bottom:1px solid var(--border-hair);font-family:var(--f-mono);font-size:13px;color:var(--text-dim);}
.post-actions .stat{display:inline-flex;align-items:center;gap:6px;}
.post-actions svg{width:16px;height:16px;}
.post-actions .like-btn{font-size:13px;}
.post-actions .share-btn{margin-left:auto;}
.post-hero{max-width:1100px;margin:44px auto 48px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);aspect-ratio:16/8;background:var(--surface-2);}
.post-hero img{width:100%;height:100%;object-fit:cover;}
.post-body{max-width:720px;margin:40px auto 0;}
.post-body.md-content{font-size:17px;}
.post-end{max-width:720px;margin:64px auto 0;padding:28px;border-radius:var(--radius-md);background:var(--card-bg);border:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.post-end p{font-family:var(--f-display);font-weight:600;font-size:18px;letter-spacing:-.02em;}
.post-end .like-btn{font-size:14px;padding:10px 16px;margin:0;border:1px solid var(--border-strong);border-radius:var(--radius-sm);}
.post-related{padding:40px 0 100px;}
.post-related h2{font-size:clamp(24px,3vw,34px);letter-spacing:-.035em;margin-bottom:26px;}
.post-related .posts-grid .post-card.is-featured{grid-column:auto;flex-direction:column;}

/* ---------- wiki ---------- */
.wiki-shell{display:grid;grid-template-columns:250px minmax(0,1fr) 220px;gap:40px;align-items:start;padding-bottom:120px;}
.wiki-side{position:sticky;top:calc(var(--nav-h) + 20px);max-height:calc(100vh - var(--nav-h) - 40px);overflow:auto;padding-right:6px;}
.wiki-search{position:relative;margin-bottom:18px;}
.wiki-search input{width:100%;padding:9px 34px 9px 34px;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13.5px;}
.wiki-search input:focus{outline:none;border-color:var(--accent-border);box-shadow:0 0 0 3px var(--accent-soft);}
.wiki-search svg{position:absolute;left:10px;top:50%;width:15px;height:15px;margin-top:-7.5px;color:var(--text-dim);}
.wiki-search kbd{position:absolute;right:8px;top:50%;transform:translateY(-50%);font-family:var(--f-mono);font-size:11px;color:var(--text-dim);border:1px solid var(--border);border-radius:4px;padding:1px 6px;}
.wiki-cat{margin-bottom:20px;}
.wiki-cat-title{font-family:var(--f-pixel);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);padding:0 10px;margin-bottom:6px;}
.wiki-link{
  position:relative;display:block;padding:7px 10px 7px 14px;border-radius:8px;color:var(--text-soft);font-size:14px;text-decoration:none;
  border-left:2px solid transparent;transition:all .15s ease;
}
.wiki-link:hover{color:var(--text);background:var(--glass);}
.wiki-link[aria-current="page"]{color:var(--mint);background:var(--accent-soft);border-left-color:var(--mint);border-radius:0 8px 8px 0;font-weight:500;}
.wiki-side-empty{font-size:13px;color:var(--text-dim);padding:6px 10px;}
.wiki-mobile-toggle{display:none;}

.wiki-article{min-width:0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-family:var(--f-mono);font-size:12px;color:var(--text-dim);margin-bottom:16px;}
.breadcrumb a{color:var(--text-soft);text-decoration:none;}
.breadcrumb a:hover{color:var(--mint);}
.wiki-title{outline:none;font-size:clamp(32px,4.4vw,52px);letter-spacing:-.045em;line-height:1;margin-bottom:12px;}
.wiki-updated{font-family:var(--f-mono);font-size:12px;color:var(--text-dim);margin-bottom:34px;display:flex;align-items:center;gap:8px;}
.wiki-article .md-content h2,.wiki-article .md-content h3{position:relative;}
.heading-anchor{margin-left:8px;opacity:0;color:var(--text-dim);text-decoration:none;font-family:var(--f-mono);font-size:.7em;transition:opacity .15s ease;}
.md-content h2:hover .heading-anchor,.md-content h3:hover .heading-anchor,.heading-anchor:focus{opacity:1;}
.heading-anchor:hover{color:var(--mint);}
.md-content .md-figure{margin:22px 0 26px;}
.md-content .md-figure img{display:block;width:100%;max-width:100%;margin:0;border-radius:var(--radius-md);}
.md-content .md-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:10px;margin:6px 0 24px;}
.md-content .md-gallery figure{
  margin:0;padding:12px 8px 10px;text-align:center;border-radius:12px;
  background:radial-gradient(120% 90% at 50% 20%, var(--accent-soft), transparent 70%), var(--glass);
  border:1px solid var(--border-hair);transition:transform .25s var(--ease), border-color .25s ease;
}
.md-content .md-gallery figure:hover{transform:translateY(-3px);border-color:var(--accent-border);}
.md-content .md-gallery img{display:block;width:100%;max-width:112px;aspect-ratio:1;object-fit:contain;margin:0 auto;border-radius:0;filter:drop-shadow(0 8px 12px rgba(0,0,0,.45));}
.md-content .md-gallery figcaption{margin-top:6px;font-size:12.5px;line-height:1.3;color:var(--text-soft);}
@media (max-width:520px){.md-content .md-gallery{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;}.md-content .md-gallery figcaption{font-size:11.5px;}}
.wiki-pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:60px;}
.wiki-pager a{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border-radius:var(--radius-sm);border:1px solid var(--border);text-decoration:none;transition:border-color .2s ease, background .2s ease;}
.wiki-pager a:hover{border-color:var(--accent-border);background:var(--glass);}
.wiki-pager small{font-family:var(--f-mono);font-size:11px;color:var(--text-dim);}
.wiki-pager span{font-weight:600;}
.wiki-pager .next{text-align:right;grid-column:2;}

.wiki-toc{position:sticky;top:calc(var(--nav-h) + 20px);font-size:13px;}
.wiki-toc h2{font-family:var(--f-pixel);font-size:10.5px;font-weight:400;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);margin-bottom:12px;}
.wiki-toc ol{list-style:none;border-left:1px solid var(--border);}
.wiki-toc a{display:block;padding:5px 0 5px 14px;margin-left:-1px;border-left:1px solid transparent;color:var(--text-dim);text-decoration:none;line-height:1.4;transition:color .15s ease, border-color .15s ease;}
.wiki-toc a.lvl-3{padding-left:26px;font-size:12.5px;}
.wiki-toc a:hover{color:var(--text);}
.wiki-toc a.is-active{color:var(--mint);border-left-color:var(--mint);}

.wiki-skeleton .skeleton{margin-bottom:14px;}

@media (max-width:1200px){.wiki-shell{grid-template-columns:230px minmax(0,1fr);}.wiki-toc{display:none;}}
@media (max-width:860px){
  .wiki-shell{grid-template-columns:1fr;gap:20px;}
  .wiki-side{position:static;max-height:none;overflow:visible;padding:0;}
  .wiki-mobile-toggle{display:flex;width:100%;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:var(--radius-sm);background:var(--glass);border:1px solid var(--border);font-weight:600;font-size:14px;}
  .wiki-mobile-toggle svg{width:16px;height:16px;transition:transform .25s var(--ease);}
  .wiki-side:not(.open) .wiki-nav{display:none;}
  .wiki-side.open .wiki-mobile-toggle svg{transform:rotate(180deg);}
  .wiki-side .wiki-nav{margin-top:14px;}
}