/* ============================================================
   GSV blog. The chrome (.bar, .foot, tokens, faces, the star field)
   comes from /gsv-ds.css; this file is the listing and the article.
   A manifest, not a dashboard: rows, rails, tracked uppercase labels.
   ============================================================ */

/* short pages keep the footer at the bottom */
body{display:flex;flex-direction:column;min-height:100vh}
.blog-index,.post{flex:1}

/* ── LISTING ── */
.blog-index{padding:64px 0 96px;display:flex;flex-direction:column;gap:12px}
.section-tag{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim)}
.blog-index-headline{font-family:var(--gsv-font-prose);font-weight:500;font-size:clamp(30px,4.4vw,48px);line-height:1.1;letter-spacing:-.01em;color:var(--text-hi);text-wrap:pretty}
.blog-index-subtitle{font-family:var(--gsv-font-prose);font-size:clamp(16px,1.4vw,19px);line-height:1.5;color:var(--label);max-width:60ch;margin-bottom:28px;text-wrap:pretty}
.post-list{display:flex;flex-direction:column;border-bottom:1px solid var(--rule-inner);max-width:860px;width:100%}
.post-card{display:grid;grid-template-columns:200px minmax(0,1fr) auto;gap:6px 24px;align-items:baseline;padding:20px 0;border-top:1px solid var(--rule-inner);color:inherit;transition:background var(--dur-fast)}
.post-card:hover{background:var(--hover)}
.post-card:hover .post-card-title{color:var(--accent)}
.post-card-date{grid-row:1;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);line-height:1.6}
.post-card-title{grid-column:2;grid-row:1;font-family:var(--gsv-font-prose);font-weight:600;font-size:19px;line-height:1.25;color:var(--text-hi);transition:color var(--dur-fast);text-wrap:pretty}
.post-card-desc{grid-column:2;grid-row:2;font-family:var(--gsv-font-prose);font-size:15px;line-height:1.5;color:var(--label);max-width:60ch;text-wrap:pretty}
.post-card-more{grid-column:3;grid-row:1;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);white-space:nowrap}
.post-card:hover .post-card-more{color:var(--accent)}
.blog-empty{font-family:var(--gsv-font-prose);font-size:15px;color:var(--label);padding:40px 0}

/* ── ARTICLE ── */
.post{padding:48px 0 96px;display:flex;flex-direction:column;align-items:center}
.post-back{display:block;width:100%;max-width:720px;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);margin-bottom:36px}
.post-back:hover{color:var(--accent)}
.post article{width:100%;max-width:720px}
.post-header{display:flex;flex-direction:column;gap:14px;margin-bottom:36px}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.post-meta .post-date{color:var(--accent)}
.post-meta .post-author{color:var(--label)}
.post-meta .post-readtime{color:var(--text-dim)}
.post-meta-sep{color:var(--faint)}
.post-title{font-family:var(--gsv-font-prose);font-weight:600;font-size:clamp(30px,4.2vw,46px);line-height:1.12;letter-spacing:-.01em;color:var(--text-hi);text-wrap:pretty}
.post-body{font-family:var(--gsv-font-prose);font-size:17px;line-height:1.65;color:var(--text);text-wrap:pretty}
.post-body p{margin:0 0 20px}
.post-body h2{font-family:var(--gsv-font-prose);font-weight:600;font-size:26px;line-height:1.2;color:var(--text-hi);margin:44px 0 16px}
.post-body h3{font-family:var(--gsv-font-prose);font-weight:600;font-size:20px;line-height:1.25;color:var(--text-title);margin:32px 0 12px}
.post-body h4{font-family:var(--gsv-font-mono);font-weight:400;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim);margin:28px 0 10px}
.post-body ul,.post-body ol{margin:0 0 20px;padding-left:24px;color:var(--label)}
.post-body li{margin-bottom:8px}
.post-body li::marker{color:var(--accent)}
.post-body a{color:var(--link);border-bottom:1px solid color-mix(in srgb,var(--link) 35%,transparent)}
.post-body a:hover{color:var(--link-hover);border-color:var(--link-hover)}
.post-body strong{color:var(--text-hi);font-weight:600}
.post-body em{color:var(--path);font-style:italic}
.post-body hr{border:0;border-top:1px solid var(--rule-inner);margin:36px 0}
.post-body code{font-family:var(--gsv-font-mono);font-size:.8em;color:var(--label);background:var(--panel-2);padding:.08em .4em}
.post-body pre{font-family:var(--gsv-font-mono);font-size:13px;line-height:1.6;color:var(--label);border-left:2px solid var(--border);padding:2px 0 2px 14px;overflow-x:auto;margin:0 0 22px;white-space:pre}
.post-body pre code{font-size:inherit;background:none;padding:0;color:inherit}
.post-body blockquote{border-left:2px solid var(--border-raised);padding-left:16px;color:var(--label);margin:0 0 22px}
.post-body blockquote p:last-child{margin-bottom:0}
.post-body table{width:100%;border-collapse:collapse;font-family:var(--gsv-font-mono);font-size:13px;margin:0 0 22px}
.post-body th{text-align:left;font-weight:400;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);padding:4px 10px 6px 0}
.post-body td{padding:8px 10px 8px 0;border-top:1px solid var(--rule-inner);vertical-align:top}

/* figures and video */
.post-figure,.post-video{margin:32px 0 36px}
.post-figure-wide{width:min(calc(100vw - 36px),1080px);margin-left:50%;transform:translateX(-50%)}
.post-figure-scroll{overflow-x:auto;padding-bottom:4px}
.post-figure img{display:block;width:100%;min-width:760px;height:auto;border:1px solid var(--border);background:#f9fafb}
.post-video-frame{aspect-ratio:16/9;overflow:hidden;border:1px solid var(--border);background:var(--field-deep)}
.post-video iframe,.post-video video{display:block;width:100%;height:100%;border:0}
.post-video video{object-fit:contain}
.post-figure figcaption,.post-video figcaption{margin-top:10px;font-family:var(--gsv-font-mono);font-size:11px;letter-spacing:.04em;line-height:1.5;color:var(--text-dim)}
.post-body img.is-lightboxable{cursor:zoom-in}
.post-body img.is-lightboxable:focus-visible{outline:1px solid var(--accent);outline-offset:4px}

/* the image viewer */
.image-popover{width:min(calc(100vw - 32px),1280px);max-width:none;max-height:92vh;margin:auto;padding:0;overflow:hidden;border:1px solid var(--border-raised);background:var(--panel);color:var(--text-hi);box-shadow:0 14px 40px rgba(5,3,18,.55)}
:root[data-theme="light"] .image-popover{box-shadow:0 14px 40px rgba(20,17,43,.15)}
.image-popover:not([open]){display:none}
.image-popover::backdrop{background:rgba(4,3,18,.86);backdrop-filter:blur(3px)}
.image-popover-frame{display:flex;flex-direction:column;align-items:center;gap:10px;max-height:92vh;padding:58px 18px 18px;overflow:hidden}
.image-popover-surface{display:flex;align-items:center;justify-content:center;width:100%;max-height:calc(92vh - 126px);overflow:hidden;border:1px solid var(--rule-inner);background:#f9fafb;cursor:zoom-in;touch-action:none}
.image-popover-surface[data-zoomed="true"]{cursor:grab}
.image-popover-surface.is-dragging{cursor:grabbing}
.image-popover-img{display:block;width:auto;max-width:100%;height:auto;max-height:calc(92vh - 126px);object-fit:contain;user-select:none;pointer-events:none;transform-origin:center center;transition:transform .12s ease-out;will-change:transform}
.image-popover-surface.is-dragging .image-popover-img{transition:none}
.image-popover-caption{max-width:92ch;margin:0 auto;font-family:var(--gsv-font-mono);font-size:11px;letter-spacing:.04em;line-height:1.5;color:var(--text-dim);text-align:center}
.image-popover-caption[hidden]{display:none}
.image-popover-toolbar{position:absolute;top:10px;left:10px;z-index:2;display:flex;align-items:center;gap:6px;padding:4px;border:1px solid var(--border-raised);background:var(--panel);color:var(--label)}
.image-popover-tool,.image-popover-close{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--border-raised);background:transparent;color:var(--label);font-family:var(--gsv-font-mono);font-size:15px;line-height:1;cursor:pointer;transition:color var(--dur-fast),border-color var(--dur-fast),background var(--dur-fast)}
.image-popover-tool svg,.image-popover-close svg{width:16px;height:16px}
.image-popover-tool:disabled{opacity:.42;cursor:not-allowed}
.image-popover-zoom{min-width:52px;font-family:var(--gsv-font-mono);font-size:11px;letter-spacing:.06em;line-height:1;color:var(--text-dim);text-align:center}
.image-popover-close{position:absolute;top:10px;right:10px;z-index:2;background:var(--panel)}
.image-popover-tool:hover:not(:disabled),.image-popover-tool:focus-visible,.image-popover-close:hover,.image-popover-close:focus-visible{color:var(--text-hi);border-color:var(--accent);background:var(--hover);outline:none;text-decoration:none}

/* the folded note: a receipt beside the text */
.post-note{margin:26px 0 28px;padding:2px 0 2px 14px;border-left:2px solid var(--accent);color:var(--label);font-family:var(--gsv-font-prose);font-size:14px;line-height:1.55}
.post-note-label{font-family:var(--gsv-font-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--text-dim);margin-bottom:8px}
.post-note-body p{margin:0 0 12px}
.post-note-body p:last-child{margin-bottom:0}

/* share: text actions, as the instrument's toolbars */
.post-share{display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;margin-top:52px;padding-top:24px;border-top:1px solid var(--rule-inner);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase}
.post-share-label{color:var(--faint)}
.share-btn{font-family:var(--gsv-font-mono);font-size:inherit;letter-spacing:inherit;text-transform:inherit;color:var(--text-dim);padding:4px 0;border:0;background:none;cursor:pointer;transition:color var(--dur-fast)}
.share-btn:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.share-copy.is-copied{color:var(--online)}

/* ── RESPONSIVE ── */
@media(min-width:1440px){
  .post-note{clear:right;float:right;width:250px;margin:4px -300px 24px 32px}
}
@media(max-width:900px){
  .blog-index{padding:44px 0 64px}
  .post{padding:32px 0 64px}
  .post-card{grid-template-columns:minmax(0,1fr) auto}
  .post-card-date{grid-column:1 / -1;grid-row:1}
  .post-card-title{grid-column:1;grid-row:2}
  .post-card-more{grid-column:2;grid-row:2}
  .post-card-desc{grid-column:1 / -1;grid-row:3}
}
@media(max-width:600px){
  .post-card-more{display:none}
  .post-figure img{min-width:0}
  .image-popover{width:calc(100vw - 20px)}
  .image-popover-frame{padding:56px 12px 12px}
  .image-popover-surface,.image-popover-img{max-height:calc(92vh - 116px)}
  .image-popover-toolbar{gap:4px}
  .image-popover-zoom{min-width:46px}
}