/* ninetysix.io -- option C: a demoscene intro over a quiet page. */
:root {
  color-scheme: dark;
  --ground: #07070a;
  --panel: #101116;
  --line: #23252e;
  --ink: #c9ccd4;
  --mute: #9aa0ad;
  --dim: #667;
  --head: #fff;
  --acc: #7cf;
  --go: #3c6;
  --pixel: Silkscreen, "Courier New", monospace;
  --mono: "IBM Plex Mono", ui-monospace, "Courier New", monospace;
}
* { box-sizing: border-box; }
html { background: var(--ground); }
body { margin: 0; background: var(--ground); color: var(--ink); font: 15px/1.65 var(--mono); }
a { color: var(--acc); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--acc); outline-offset: 2px; }
img { max-width: 100%; height: auto; }
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.wrap { max-width: 800px; margin: 0 auto; padding-inline: 16px; }

/* header: the intro (home) or a slim masthead (everywhere else) */
.stage { position: relative; background: #000; aspect-ratio: 16 / 5; margin-top: 16px; }
.stage canvas, .stage video { display: block; width: 100%; height: 100%; image-rendering: pixelated; object-fit: cover; }
.stage-ctl { position: absolute; right: 8px; top: 8px; display: flex; gap: 6px; align-items: center; }
.stage-ctl > * { font: 11px var(--pixel); color: #fff; background: #000a; border: 1px solid #fff6; padding: 4px 8px; text-decoration: none; cursor: pointer; }
.stage-ctl .demo-name { cursor: default; }
.demo-music[aria-pressed="true"] { color: #000; background: var(--acc); }
.masthead { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; margin-top: 16px; padding: 18px 16px 14px; background: #000; border: 1px solid var(--line); }
.masthead .logo { font: 700 28px/1 var(--pixel); color: var(--head); text-decoration: none; letter-spacing: 1px; text-shadow: 2px 2px 0 #236; }
.masthead .specs { font: 11px var(--pixel); color: var(--acc); }

.nav { display: flex; flex-wrap: wrap; background: #111; border-block: 2px solid #333; }
.nav a { font: 12px var(--pixel); color: #9ab; text-decoration: none; padding: 8px 16px; border-right: 1px solid #222; }
.nav a:hover { color: #fff; }
.nav a[aria-current="page"] { color: #fff; background: #223; }

main { padding-block: 24px 8px; }

/* game cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); display: flex; flex-direction: column; }
.card-shot img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-bottom: 1px solid var(--line); }
.card-body { padding: 10px 12px 12px; display: flex; flex-direction: column; flex: 1; }
.card h2 { margin: 0 0 4px; font: 700 16px var(--pixel); }
.card h2 a { color: var(--head); text-decoration: none; }
.card p { margin: 0 0 10px; font-size: 12.5px; line-height: 1.5; color: var(--mute); flex: 1; }
.card-links { display: flex; gap: 14px; }
.card-links a { font: 11px var(--pixel); color: var(--acc); text-decoration: none; }
.card-links a:hover { color: #fff; }

/* pages */
.page-title { font: 700 24px/1.2 var(--pixel); color: var(--head); margin: 0 0 16px; }
.prose { max-width: 68ch; }
.prose h1, .prose h2, .prose h3 { font: 700 15px/1.3 var(--pixel); color: var(--head); margin: 28px 0 10px; text-wrap: balance; }
.prose h2 { color: var(--acc); font-size: 13px; }
.prose hr { border: 0; border-top: 1px dashed var(--line); margin: 28px 0; }
.prose ul { padding-left: 1.2em; }
.prose li::marker { color: var(--dim); }
.prose code { font-family: var(--mono); color: #fff; background: var(--panel); padding: 0 4px; }
.prose table { border-collapse: collapse; font-size: 13.5px; font-variant-numeric: tabular-nums; display: block; overflow-x: auto; }
.prose th, .prose td { padding: 4px 12px; border-bottom: 1px solid var(--line); }
.prose th { color: var(--head); text-align: left; }

.game-head { display: grid; grid-template-columns: minmax(0, 320px) 1fr; gap: 20px; margin-bottom: 8px; }
.game-shot img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border: 1px solid var(--line); }
.game-side h1 { font: 700 28px/1.1 var(--pixel); color: var(--head); margin: 0 0 8px; }
.game-side p { margin: 0 0 14px; color: var(--mute); }
.kicker { font: 11px var(--pixel); color: var(--dim) !important; margin: 0 0 6px !important; }
.btn { display: inline-block; font: 12px var(--pixel); text-decoration: none; padding: 8px 14px; color: #000; background: var(--acc); }
.btn.go { background: var(--go); }
.btn:hover { background: #fff; }
.dl { list-style: none; padding: 0; margin: 16px 0 0; font-size: 13px; }
.dl li { display: flex; flex-wrap: wrap; gap: 0 10px; padding: 3px 0; border-bottom: 1px solid var(--line); }
.dl span { color: var(--dim); }
@media (max-width: 560px) { .game-head { grid-template-columns: 1fr; } }

.table-wrap { overflow-x: auto; }
.files { border-collapse: collapse; width: 100%; font-size: 13.5px; font-variant-numeric: tabular-nums; }
.files th { font: 11px var(--pixel); color: var(--acc); text-align: left; padding: 6px 12px 6px 0; border-bottom: 2px solid #333; }
.files td { padding: 5px 12px 5px 0; border-bottom: 1px solid var(--line); white-space: nowrap; }
.files .n { text-align: right; }

.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px; margin: 32px 0 24px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 12px; color: var(--dim); }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* play pages: the js-dos player in a 4:3 screen */
.page-title .ver { font-size: 13px; color: var(--dim); }
.screen { aspect-ratio: 4 / 3; background: #000; border: 1px solid var(--line); }
.screen iframe { display: block; width: 100%; height: 100%; border: 0; }
.play-note { font-size: 12.5px; color: var(--mute); margin: 10px 0 0; max-width: 68ch; }