/* The same catalog, viewed by one version or by one topic across versions. */
[hidden]{display:none!important}
.catalog-perspective{display:flex;align-items:center;gap:16px;justify-content:space-between;flex-wrap:wrap;border-top:1px solid var(--line);padding:20px 0;margin-bottom:10px}
.perspective-buttons{display:flex;flex-wrap:wrap;gap:6px;padding:4px;border:1px solid var(--line);border-radius:8px;background:white}
.perspective-buttons button{min-height:44px;max-width:100%;overflow-wrap:anywhere;padding:10px 16px;border-radius:5px;font-weight:700;color:var(--ink)}
.perspective-buttons button[aria-pressed=true]{background:var(--ink);color:white}
#catalog-mode-note{font-size:.9rem;line-height:1.5;color:var(--muted);max-width:610px;margin:0}
body[data-catalog-mode=compare] .version-switch,body[data-catalog-mode=compare] .dialog-version-switch{display:none!important}
.masthead-actions{flex-wrap:wrap}.article-entry{font:600 13px/1.4 system-ui,sans-serif;color:inherit;text-underline-offset:3px;padding:8px 0;white-space:nowrap}
.mini-version-nav{display:flex;gap:4px;align-items:center;flex-shrink:0;padding:3px;border:1px solid var(--line);border-radius:7px}
.mini-version-nav button{min-width:44px;min-height:40px;border:0;border-radius:4px;padding:8px 12px;color:var(--ink);background:transparent;font:700 13px/1.2 Arial,sans-serif}
.mini-version-nav button[aria-pressed=true]{background:var(--ink);color:#fff}.mini-version-nav button:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
@media(max-width:560px){.mini-dialog-head{gap:10px}.mini-dialog-head>div{flex-basis:100%;min-width:0}.mini-version-nav{margin-left:auto}.mini-dialog-head #mini-full{font-size:13px}.mini-version-nav button{padding:8px}}
.catalog-version-tag{margin-left:auto;color:var(--blue);font-weight:700;letter-spacing:.06em}
.version-variants{display:flex;gap:8px 14px;flex-wrap:wrap;font-size:.8rem;line-height:1.5;margin:10px 0 0;color:var(--muted)}
.version-variants>span{flex-basis:100%}.version-variants a{color:var(--blue);text-underline-offset:3px}
.matrix-scroll-hint{color:var(--muted);font-size:.85rem;line-height:1.5;margin:0 0 14px}
.version-row{margin:0 0 26px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
.version-row-heading{display:flex;align-items:center;gap:16px;padding:17px 20px;border-bottom:1px solid var(--line);background:#f1f5f6}
.version-row-number{font:1.4rem Georgia,serif;color:#667d88;font-variant-numeric:tabular-nums}
.version-row-heading>div{flex:1;min-width:0}.version-row-heading h3{font:1.5rem/1.2 Georgia,serif;margin:0;overflow-wrap:anywhere}
.version-row-heading p{font-size:.8rem;line-height:1.5;color:var(--muted);margin:4px 0 0}
.version-row-heading button{font-size:.85rem;min-height:44px;flex-shrink:0}
.version-row-scroll{overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;max-width:100%}
.version-row-scroll:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}
.version-row-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));min-width:780px}
.version-cell{padding:15px;min-width:0;border-right:1px solid var(--line)}.version-cell:last-child{border-right:0}
.version-cell-label{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin:0 0 11px;flex-wrap:wrap;line-height:1.4}
.version-cell-label strong{font-size:1rem}.version-cell-label span{font-size:.8rem;color:var(--muted)}
.version-preview{display:block;aspect-ratio:8/5;overflow:hidden;background:#e6eef1;border:1px solid #d6e0e5;border-radius:3px}
.version-preview img{width:100%;height:100%;object-fit:cover;object-position:top;display:block}
.version-open{display:inline-block;color:var(--blue);font-weight:700;font-size:.9rem;padding:13px 0 3px;min-height:44px;text-underline-offset:4px}
.version-open span{margin-left:8px}.version-row .image-status{font-size:.85rem;line-height:1.4;padding:10px}
.roadmap-track{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}.code-version-note{font-size:.85rem!important;line-height:1.5;color:var(--muted)}
@media(max-width:1050px){.roadmap-track{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.roadmap-track{grid-template-columns:1fr}.catalog-perspective{display:block;padding:16px 0}.perspective-buttons{width:fit-content;max-width:100%;margin-bottom:12px}.perspective-buttons button{padding:9px 12px}.version-row-heading{padding:14px;gap:10px;flex-wrap:wrap}.version-row-heading h3{font-size:1.3rem}.version-row-heading button{margin-left:auto}.version-row-heading>div{flex-basis:70%}.version-cell{padding:12px}.version-row-columns{min-width:780px}.version-row{margin-bottom:18px}}
@media(prefers-reduced-motion:no-preference){.version-preview img{transition:transform .18s ease}.version-preview:hover img{transform:scale(1.015)}}