/* Task-focused collection UI; the established theme, typography and artwork stay intact. */
[hidden] { display: none !important; }
main > section, main > article, main > div, main > nav { min-width: 0; }
.seo-breadcrumbs { padding-block: 18px 0; font-size: .8rem; color: var(--muted); }
.seo-breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.seo-breadcrumbs li + li::before { content: '/'; margin-right: 8px; }
.seo-breadcrumbs a { color: inherit; text-underline-offset: 3px; }
.observatory-hero { padding-top: clamp(28px, 4vw, 56px); padding-bottom: 36px; }
.observatory-hero .hero-copy > p:not(.eyebrow) { max-width: 52ch; }
.catalog-shelf .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.game-card { min-height: 0; }
.game-card-copy { min-height: 225px; padding: 22px; }
.game-card h3 { margin-top: 0; font-size: clamp(1.55rem, 2.4vw, 2.1rem); line-height: 1.15; }
.game-summary { line-height: 1.65; }
.catalog-shelf-heading { margin-bottom: 20px; }
.catalog-shelf-heading p { max-width: 70ch; }
.catalog-shelf + .catalog-shelf { margin-top: 44px; }
.game-detail-hero { padding-block: clamp(24px, 4vw, 48px); gap: clamp(24px, 5vw, 64px); }
.game-detail-hero .hero-copy > p:not(.eyebrow) { max-width: 52ch; font-size: 1rem; line-height: 1.7; }
.game-detail-hero h1 { font-size: clamp(2.8rem, 6vw, 5.2rem); line-height: .98; }
.hero-actions { flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.share-tools { gap: 8px; margin-top: 18px; flex-wrap: wrap; }
.share-tools button { font-size: .78rem; min-height: 44px; }
.detail-art figcaption { display: block; padding: 12px 16px; font-size: .75rem; color: var(--muted); }
.platform-nav { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 0 20px; margin-top: 10px; scroll-margin-top: 100px; border-bottom: 1px solid var(--line); }
.platform-nav a { display: inline-flex; min-height: 46px; align-items: center; padding: 10px 20px; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; font-family: var(--font-body); font-size: .88rem; font-weight: 750; color: var(--text); background: var(--surface-solid); }
.platform-nav a[aria-selected='true'] { border-color: var(--accent, var(--line-strong)); box-shadow: inset 0 -3px 0 var(--accent, var(--signal)); background: var(--surface-soft); }
.platform-nav .is-planned { color: var(--muted); }
.platform-nav a:focus-visible, summary:focus-visible, .gallery-trigger:focus-visible { outline: 3px solid var(--text); outline-offset: 4px; }
.port, .port:not(.planned-port) { display: block; padding: 28px 0 36px; scroll-margin-top: 96px; }
.port > header { gap: 14px; }
.port > header > div { width: 52px; height: 52px; }
.port > header h2 { font-size: clamp(1.9rem, 3vw, 2.4rem); }
.port > header small { font-size: .72rem; }
.port-intro { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 24px; margin: 24px 0; }
.port-intro .port-copy { padding: 0; max-width: 65ch; }
.port-copy h3 { font-family: var(--font-body); font-size: 1rem; font-weight: 800; letter-spacing: 0; line-height: 1.4; }
.port-copy p { margin: 8px 0 0; font-size: .9rem; line-height: 1.7; }
.port-download { text-align: right; min-width: 210px; }
.port-download .download-link { display: inline-flex; min-height: 48px; align-items: center; gap: 14px; padding: 11px 20px; border-radius: 8px; font-size: .95rem; font-weight: 800; text-decoration: none; background: var(--surface-soft); border: 1px solid var(--line-strong); }
.port-download .material-download > small { font-size: .72rem; }
.download-unavailable { font-size: .84rem; color: var(--muted); }
.artifact-section { margin: 26px 0 0; }
.artifact-heading { margin-bottom: 18px; padding-block: 0; }
.artifact-heading h3 { margin: 0; font-size: clamp(1.6rem, 3vw, 2rem); }
.artifact-heading p { color: var(--muted); margin: 6px 0 0; font-size: .78rem; }
.artifact-group { margin-top: 18px; }
.artifact-group > h4 { margin: 0 0 12px; font-family: var(--font-body); font-size: .88rem; letter-spacing: 0; }
.screenshot-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: start; }
.screenshot-gallery > figure { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; }
.screenshot-gallery .gallery-trigger, .guide-frame a, .guide-frame.is-vector a { display: flex; width: 100%; height: auto; aspect-ratio: 16 / 10; padding: 10px; min-height: 0; align-items: center; justify-content: center; overflow: hidden; background: #030407; }
.screenshot-gallery img, #vectrex .screenshot-gallery img, .guide-frame img, .guide-frame.is-vector img { display: block; width: 100%; height: 100%; max-width: 100%; max-height: 100%; aspect-ratio: auto; object-fit: contain; image-rendering: pixelated; border-radius: 0; }
.screenshot-gallery figcaption, .guide-frame figcaption { min-height: 0; padding: 10px 14px; font-size: .76rem; line-height: 1.5; color: var(--muted); background: var(--surface-solid); border-top: 1px solid var(--line); }
.screenshot-gallery figcaption > span { float: right; }
.video-gallery video { display: block; width: 100%; max-height: 500px; aspect-ratio: 16 / 10; object-fit: contain; background: #030407; }
.collector-details, .guide-controller-details { border: 1px solid var(--line); border-radius: 10px; margin-top: 22px; background: var(--surface-solid); overflow: hidden; }
.collector-details > summary, .guide-controller-details > summary { padding: 16px 20px; min-height: 52px; font-size: .88rem; font-weight: 750; cursor: pointer; }
.collector-details[open] > summary, .guide-controller-details[open] > summary { border-bottom: 1px solid var(--line); }
.collector-details > :not(summary) { margin: 18px 20px; }
.collector-details h3 { font-family: var(--font-body); font-size: .92rem; font-weight: 800; letter-spacing: 0; }
.collector-specifications li, .media-credits li { color: var(--muted); font-size: .8rem; line-height: 1.7; margin: 5px 0; overflow-wrap: anywhere; }
.collector-details .release-list { border: 0; padding: 0; background: none; }
.collector-details .release-list article { grid-template-columns: minmax(0, 1fr); gap: 10px; padding: 14px 0; }
.release-list code, .archive-file-details code { display: block; max-width: 100%; white-space: normal; overflow-wrap: anywhere; word-break: break-all; font-size: .75rem; line-height: 1.6; }
.collector-details .archive-link { display: inline-flex; padding: 0; font-size: .84rem; }
.packaging-concepts { margin-top: 28px; }
.packaging-concepts .packaging-permissions { padding: 14px 16px; margin-top: 14px; font-size: .78rem; line-height: 1.65; }
.packaging-permissions p { margin: 6px 0 0; }
.packaging-layout { gap: 20px; margin-top: 20px; }
.packaging-layout .artifact-subheading { display: flex; height: 38px; align-items: flex-start; }
.packaging-layout .artifact-subheading .eyebrow { display: none; }
.packaging-layout .artifact-subheading h4 { font-family: var(--font-body); font-size: .92rem; font-weight: 800; letter-spacing: 0; line-height: 1.5; }
.packaging-label-stage, .packaging-concepts .box-concept-island { height: 400px; min-height: 400px; }
.packaging-concepts .island-box { position: relative; inset: auto; display: grid; grid-template-rows: minmax(0, 1fr) auto auto; height: 100%; min-height: 0; padding: 12px; gap: 8px; }
.packaging-concepts .island-box-stage { height: auto; min-height: 0; }
.packaging-concepts .island-box-controls { position: static; justify-self: center; width: max-content; margin: 0; padding: 4px; }
.packaging-concepts .island-box-controls button { width: 44px; height: 44px; }
.packaging-concepts .island-box > p { position: static; max-width: none; margin: 0; text-align: center; font-size: .68rem; line-height: 1.5; }
.packaging-concepts .island-box-disclaimer { display: none; }
.packaging-concepts .box-static-fallback, .packaging-concepts .island-box-static { height: 100%; min-height: 0; padding: 20px; gap: 16px; }
.packaging-concepts .box-static-fallback img, .packaging-concepts .island-box-static img { max-height: 260px; }
.packaging-label-stage { padding: 20px; }
.packaging-label-preview .gallery-trigger { height: auto; background: transparent; }
.packaging-label-preview img { max-height: 320px; }
.packaging-label-stage:has(.packaging-label-preview:nth-child(2)) img { max-height: 180px; }
.packaging-artifact-card > figcaption { height: 72px; min-height: 72px; padding: 12px 16px; font-size: .75rem; line-height: 1.5; }
.packaging-artifact-empty { min-height: 456px; }
.game-instructions { padding: clamp(20px, 3vw, 32px); margin-block: 32px; border-radius: 14px; }
.guide-legacy-anchor { display: block; height: 0; scroll-margin-top: 100px; }
.port .game-instructions { margin-block: 26px; scroll-margin-top: 100px; }
.guide-consoles:has(> .guide-console:only-child) { grid-template-columns: minmax(0, 1fr); }
.guide-heading { margin-bottom: 18px; }
.guide-heading h2 { font-size: clamp(2rem, 3.5vw, 2.7rem); }
.guide-heading p:not(.eyebrow) { font-size: .85rem; }
.guide-goal { padding: 14px 16px; font-size: .9rem; }
.guide-steps { margin: 24px 0; gap: 24px; }
.guide-steps p { font-size: .88rem; line-height: 1.65; }
.guide-controller-details { background: transparent; margin-top: 0; }
.guide-controller-details > :not(summary) { margin-inline: 18px; }
.guide-console-heading { border-top: 0; padding-top: 18px; }
.guide-consoles { align-items: stretch; }
.guide-setup { color: var(--muted); font-size: .8rem; line-height: 1.7; }
.guide-footnote { margin-bottom: 20px; }
.game-community { margin-block: 32px; }
.related-games { margin: 30px 0; padding: 24px 0; border-top: 1px solid var(--line); }
.related-games h2 { margin: 0; font-size: 1.9rem; }
.related-games p { margin: 8px 0 16px; font-size: .9rem; }
.archive-heading h1 { font-size: clamp(2.6rem, 5vw, 4.5rem); }
.archive-list > article { align-items: start; gap: 24px; }
.archive-list h2 { font-size: 1.6rem; margin-block: 8px; }
.archive-file-details { min-width: 0; font-size: .8rem; line-height: 1.65; }
.archive-file-details > summary { cursor: pointer; min-height: 44px; padding-block: 10px; }
.archive-file-details p { color: var(--muted); overflow-wrap: anywhere; }
.console-page-hero h1 { font-size: clamp(2.7rem, 5vw, 4.7rem); }
.console-archive-shelf-heading { margin-top: 30px; }
.prose { max-width: 74ch; line-height: 1.75; }
.policy-page { max-width: 74ch; margin: 16px 0 50px; }
.policy-page section { padding-block: 18px; border-bottom: 1px solid var(--line); }
.policy-page h2 { margin: 0 0 10px; font-size: 1.8rem; }
.policy-page p { margin: 0; font-size: .95rem; line-height: 1.8; color: var(--muted); }
.download-explainer { margin-block: 18px; border-block: 1px solid var(--line); font-size: .85rem; line-height: 1.7; }
.download-explainer > summary { padding-block: 14px; cursor: pointer; min-height: 44px; font-weight: 750; }
.download-explainer > p { color: var(--muted); margin-bottom: 18px; }
@media (max-width: 960px) {
  .catalog-shelf .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .packaging-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .packaging-label-stage, .packaging-concepts .box-concept-island { height: 380px; min-height: 380px; }
  .packaging-label-preview img { max-height: 300px; }
}
@media (max-width: 640px) {
  .catalog-shelf .cards { grid-template-columns: minmax(0, 1fr); }
  .game-detail-hero { padding-top: 20px; }
  .platform-nav { gap: 6px; }
  .platform-nav a { padding: 10px 12px; font-size: .8rem; }
  .port > header { grid-template-columns: auto minmax(0, 1fr); }
  .port mark { grid-column: 2; justify-self: start; }
  .port-intro { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .port-download { text-align: left; min-width: 0; }
  .screenshot-gallery { grid-template-columns: minmax(0, 1fr); }
  .packaging-layout { grid-template-columns: minmax(0, 1fr); }
  .packaging-label-stage, .packaging-concepts .box-concept-island { height: 400px; min-height: 400px; }
  .packaging-concepts .box-static-fallback, .packaging-concepts .island-box-static { grid-template-columns: minmax(0, 1fr); text-align: center; }
  .packaging-concepts .box-static-fallback img, .packaging-concepts .island-box-static img { max-height: 220px; }
  .packaging-artifact-card > figcaption { height: 72px; min-height: 72px; }
  .guide-steps { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .guide-steps li { display: grid; grid-template-columns: 30px minmax(0, 1fr); column-gap: 10px; }
  .guide-steps li::before { grid-row: 1 / 3; margin: 3px 0 0; }
  .guide-steps p { grid-column: 2; }
  .guide-read-time { display: none; }
  .archive-list > article { grid-template-columns: minmax(0, 1fr); gap: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  .platform-nav *, .screenshot-gallery *, .packaging-layout * { scroll-behavior: auto; transition: none; }
}