/* Blog listing (blog.html). Builds on style.css and pages.css. */

.blog-hero .search form{padding-left:24px}

/* Category filter */
.cats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.cat{font:inherit;font-size:14.5px;font-weight:500;color:var(--muted);padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);cursor:pointer;transition:color .15s,border-color .15s,background .15s}
.cat:hover{color:var(--brand);border-color:var(--brand)}
.cat[aria-pressed="true"]{color:#fff;background:var(--text);border-color:var(--text)}
[data-theme="dark"] .cat[aria-pressed="true"]{color:#0a0e18}
.cat span{margin-left:6px;font-size:12.5px;opacity:.6;font-variant-numeric:tabular-nums}

/* Cover art: one ink panel per post, tinted by category */
.cover{position:relative;display:grid;place-items:center;aspect-ratio:16/9;overflow:hidden;color:#cfe1ff;font-size:54px;background:radial-gradient(80% 90% at var(--gx,85%) var(--gy,0%),rgba(42,140,240,.5),transparent 62%),linear-gradient(160deg,#141d30,#0a0e18)}
.cover::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:32px 32px;mask-image:radial-gradient(ellipse 70% 80% at var(--gx,85%) var(--gy,0%),#000,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 70% 80% at var(--gx,85%) var(--gy,0%),#000,transparent 75%)}
.cover .ph{position:relative;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover.c2{--gx:10%;--gy:100%}
.cover.c3{--gx:50%;--gy:110%}
.cover.c4{--gx:0%;--gy:0%}

/* Featured post */
.featured{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);overflow:hidden;margin-bottom:56px;transition:box-shadow .25s,transform .25s}
.featured:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.featured .cover{aspect-ratio:auto;min-height:340px;font-size:96px}
.featured-body{display:flex;flex-direction:column;justify-content:center;padding:44px}
.featured h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.3;margin:16px 0 12px}
.featured p{font-size:16.5px;color:var(--muted)}
.featured .read{margin-top:24px}

/* Post cards */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post{display:flex;flex-direction:column;overflow:hidden;transition:transform .25s,box-shadow .25s}
.post:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post:hover .cover .ph,.featured:hover .cover .ph{transform:scale(1.12)}
.post-body{display:flex;flex-direction:column;flex:1;padding:22px 24px 24px}
.meta{display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--dim)}
.tag{font-size:12.5px;font-weight:600;color:var(--brand);background:var(--tint);padding:3px 11px;border-radius:999px;white-space:nowrap}
.post h3{font-size:18.5px;font-weight:700;line-height:1.4;margin:14px 0 8px}
.post p{font-size:14.5px;color:var(--muted);flex:1}
.read{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:14.5px;font-weight:600;color:var(--brand)}
.read .ph-bold{transition:transform .2s}
.post:hover .read .ph-bold,.featured:hover .read .ph-bold{transform:translateX(4px)}
/* The whole card is the link */
.post a.stretch::after,.featured a.stretch::after{content:"";position:absolute;inset:0}
.post,.featured{position:relative}

.empty{display:none;text-align:center;padding:64px 20px;border:1px dashed var(--line-2);border-radius:var(--r-lg);color:var(--muted)}
.empty .ph{font-size:40px;color:var(--dim);display:block;margin-bottom:12px}
.empty b{display:block;font-size:18px;color:var(--text);margin-bottom:4px}
.empty.show{display:block}
.sample-note{margin-top:28px;text-align:center;font-size:13.5px;color:var(--dim)}

@media (max-width:1040px){
  .post-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:920px){
  .featured{grid-template-columns:1fr}
  .featured .cover{min-height:0;aspect-ratio:16/9;font-size:72px}
  .featured-body{padding:28px}
}
@media (max-width:640px){
  .post-grid{grid-template-columns:1fr}
  .cats{flex-wrap:nowrap;overflow-x:auto;margin-inline:-16px;padding-inline:16px;scrollbar-width:none}
  .cat{flex:none}
}

/* ================= Article page ================= */
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:60;pointer-events:none}
.progress i{display:block;height:100%;width:100%;background:var(--grad);transform-origin:left;transform:scaleX(var(--p,0))}

.article-hero .wrap{max-width:860px}
.article-hero h1{font-size:clamp(30px,4.2vw,50px);max-width:none;margin:20px auto 18px}
.article-hero .meta{justify-content:center;flex-wrap:wrap;font-size:14.5px;color:var(--muted);gap:10px 20px;margin-top:22px}
.article-hero .meta span{display:inline-flex;align-items:center;gap:7px}
.article-hero .meta .ph{font-size:17px;color:var(--brand)}

.article-cover{position:relative;z-index:2;margin-top:-64px}
.article-cover .cover{border-radius:var(--r-lg);aspect-ratio:21/8;font-size:110px;box-shadow:var(--sh-2)}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:64px;align-items:start;padding-block:64px 24px}
.prose{font-size:17.5px;line-height:1.8;color:var(--text);max-width:720px}
.prose>*+*{margin-top:1.15em}
.prose .intro{font-size:20px;line-height:1.7;color:var(--muted)}
.prose h2{font-size:clamp(23px,2.4vw,29px);font-weight:800;letter-spacing:-.02em;line-height:1.35;margin-top:2em;scroll-margin-top:110px}
.prose h3{font-size:20px;font-weight:700;margin-top:1.6em}
.prose a{color:var(--brand);font-weight:500;text-decoration:underline;text-underline-offset:3px}
.prose ul{display:grid;gap:10px}
.prose ul li{position:relative;padding-left:32px}
.prose ul li::before{content:"";position:absolute;left:4px;top:.5em;width:16px;height:16px;border-radius:50%;background:var(--tint);box-shadow:inset 0 0 0 5px var(--tint),inset 0 0 0 8px var(--brand)}
.prose strong{font-weight:700}
.callout{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:22px 24px;border-radius:18px;background:var(--tint);font-size:16.5px}
.callout .ph{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;font-size:22px;color:#fff;background:var(--grad)}
.callout b{display:block;margin-bottom:2px}
.prose .compare{margin-block:1.6em;font-size:15px}
.prose .compare table{min-width:520px}
.prose .compare th,.prose .compare td{padding:14px 20px;line-height:1.5}
.article-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line);font-size:15px;color:var(--muted)}
.article-foot .tags-row{display:flex;flex-wrap:wrap;gap:8px}
.copy-link{font:inherit;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;border:1px solid var(--line-2);background:var(--surface);color:var(--text);cursor:pointer;transition:border-color .15s,color .15s}
.copy-link:hover{border-color:var(--brand);color:var(--brand)}

.aside{position:sticky;top:110px;display:grid;gap:20px}
.toc{padding:24px}
.toc b{display:block;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin-bottom:12px}
.toc a{display:block;padding:7px 0 7px 16px;border-left:2px solid var(--line);font-size:14.5px;color:var(--muted);transition:color .15s,border-color .15s}
.toc a:hover{color:var(--text)}
.toc a.on{color:var(--brand);border-left-color:var(--brand);font-weight:600}
.aside-cta{padding:26px;color:#fff;border:0;background:radial-gradient(90% 60% at 100% 0%,rgba(42,140,240,.3),transparent 65%),linear-gradient(160deg,#131b2c,#0a0e18)}
.aside-cta b{display:block;font-size:18px;font-weight:700;line-height:1.4}
.aside-cta p{font-size:14.5px;color:#a4aec1;margin:6px 0 18px}
.aside-cta .btn+.btn{margin-top:8px}
.aside-cta .btn-line{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.22);color:#fff}

.related{padding-block:72px 96px}
.related h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.02em;margin-bottom:28px}

@media (max-width:1040px){
  .article-layout{grid-template-columns:1fr;gap:40px}
  .aside{position:static;grid-template-columns:1fr 1fr}
  .prose{max-width:none}
}
@media (max-width:640px){
  .article-cover{margin-top:-40px}
  .article-cover .cover{aspect-ratio:16/9;font-size:72px}
  .article-layout{padding-top:40px}
  .prose{font-size:16.5px}
  .prose .intro{font-size:18px}
  .aside{grid-template-columns:1fr}
  .toc{display:none}
}

/* ================= Policy page (chinh-sach.html) ================= */
.policy .prose section+section{margin-top:72px;padding-top:56px;border-top:1px solid var(--line)}
.policy .prose section>h2{margin-top:0;font-size:clamp(26px,2.8vw,34px)}
.policy .prose section>*+*{margin-top:1.1em}
.policy .prose h3{font-size:19px;scroll-margin-top:110px}
.policy .prose .updated{font-size:14.5px;color:var(--dim)}
.policy .prose ul{margin-top:.8em}
/* Details the owner still has to supply */
.fill{font-weight:600;color:#7a4b00;background:#fff1cc;padding:1px 7px;border-radius:6px;white-space:nowrap}
[data-theme="dark"] .fill{color:#ffd98a;background:rgba(255,178,36,.16)}
.draft{border:1px solid #f0cf85;background:#fff8e6;color:#5c3d00}
.draft .ph{background:#f0a400}
[data-theme="dark"] .draft{border-color:rgba(255,178,36,.4);background:rgba(255,178,36,.1);color:#ffe2a8}
.toc a.sub{padding-left:30px;font-size:13.5px}

/* Legal documents (/chinh-sach): the hub's cards, the document list in the aside, the pager */
.legal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;max-width:1080px;margin-inline:auto}
.legal-card{display:flex;flex-direction:column;gap:8px;height:100%;padding:26px;transition:border-color .2s,transform .2s,box-shadow .2s}
.legal-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--sh-2)}
.legal-num{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand)}
.legal-card b{font-size:20px;font-weight:700;line-height:1.35;color:var(--text)}
.legal-sum{font-size:15px;line-height:1.6;color:var(--muted)}
.legal-foot{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:auto;padding-top:14px;font-size:13.5px;color:var(--dim)}
.legal-foot>span{display:inline-flex;align-items:center;gap:6px}
.legal-wip{color:#9a6400}
[data-theme="dark"] .legal-wip{color:#ffd98a}
.legal-go{margin-left:auto;font-weight:600;color:var(--brand)}
.legal-card:hover .legal-go i{transform:translateX(3px)}
.legal-go i{transition:transform .2s}
.legal-docs a.on{color:var(--brand);border-left-color:var(--brand);font-weight:600}
.policy .prose h2{scroll-margin-top:110px}
.legal-pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:64px !important}
.legal-pager a{display:grid;gap:4px;padding:18px 20px;text-decoration:none;transition:border-color .2s}
.legal-pager a:hover{border-color:var(--brand)}
.legal-pager a.next{text-align:right}
.legal-pager small{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--dim)}
.legal-pager a.next small{justify-content:flex-end}
.legal-pager b{font-size:16px;color:var(--text)}
@media (max-width:640px){
  .legal-grid{grid-template-columns:1fr}
  .legal-pager{grid-template-columns:1fr}
}

/* A post can carry several category tags: let them wrap instead of overflowing the card. */
.meta{flex-wrap:wrap;row-gap:6px}
.article-hero .tag+.tag{margin-left:6px}