:root {
  --bg: #101014;
  --bg-raised: #17171d;
  --text: #d8d8e0;
  --text-dim: #8f8f9d;
  --heading: #f2f2f7;
  --border: #2a2a33;
  --accent: #7fb4e6;
  --code-bg: #1d1d25;
  --badge-green: #2e7d4f;
  --badge-teal: #2b6e6e;
  --badge-amber: #8a6a1f;
  --badge-blue: #33587f;
  --badge-violet: #5a4a8a;
  --badge-gray: #4a4a55;
  --badge-text: #eef2ee;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafaf8;
    --bg-raised: #ffffff;
    --text: #2b2b33;
    --text-dim: #6b6b76;
    --heading: #17171d;
    --border: #dcdcd4;
    --accent: #2166a5;
    --code-bg: #f0f0ea;
    --badge-green: #cfe8d9;
    --badge-teal: #cde6e6;
    --badge-amber: #f0e4c0;
    --badge-blue: #d4e2f2;
    --badge-violet: #ddd4f0;
    --badge-gray: #e2e2dc;
    --badge-text: #2b2b33;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 20px 48px;
}

h1, h2, h3 { color: var(--heading); line-height: 1.25; }
h1 { font-size: 1.7rem; margin: 0.2em 0 0.1em; }
h2 { font-size: 1.2rem; margin-top: 2.2em; border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.site {
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
header.site .inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 18px 20px;
}
header.site a.home {
  color: var(--heading);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}
header.site .tagline {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 2px;
}

.subtitle { color: var(--text-dim); margin: 0 0 0.8em; font-size: 1.05rem; }

.badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 4px; }
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 9px;
  border-radius: 999px;
  color: var(--badge-text);
}
.badge.release-candidate { background: var(--badge-teal); }
.badge.released { background: var(--badge-green); }
.badge.beta { background: var(--badge-amber); }
.badge.coming-soon { background: var(--badge-violet); }
.badge.in-development { background: var(--badge-blue); }
.badge.research { background: var(--badge-gray); }
.badge.plain { background: var(--badge-gray); text-transform: none; letter-spacing: 0; }

/* index sections: one per kind of project */
section.kind { margin-top: 2.4em; }
section.kind h2.kind { margin-top: 0; margin-bottom: 0.2em; }
section.kind .kind-intro { color: var(--text-dim); font-size: 0.95rem; margin: 0.4em 0 1em; }

/* index cards */
.card {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 14px 0;
  color: var(--text);
}
.card:hover { border-color: var(--accent); text-decoration: none; }
.card h2 {
  margin: 0; border: none; padding: 0; font-size: 1.15rem;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.card .sub { color: var(--text-dim); font-size: 0.92rem; margin: 2px 0 6px; }
.card p.summary { margin: 6px 0 0; font-size: 0.95rem; }
.card img.thumb {
  width: 176px;
  image-rendering: pixelated;
  border-radius: 4px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
@media (max-width: 620px) {
  .card { flex-direction: column-reverse; align-items: stretch; }
  .card img.thumb { width: 100%; }
}

/* meta list */
dl.meta {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 18px;
  margin: 18px 0;
  font-size: 0.92rem;
}
dl.meta dt { color: var(--text-dim); }
dl.meta dd { margin: 0; }

/* screenshots */
figure.shot { margin: 26px 0; }
figure.shot .pair {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}
figure.shot img {
  width: 100%;
  image-rendering: pixelated;
  border-radius: 4px;
  border: 1px solid var(--border);
  display: block;
}
figure.shot .label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-dim);
  margin: 0 0 4px;
}
figure.shot.single img { max-width: 576px; margin: 0 auto; }
figure.shot figcaption {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin-top: 8px;
  text-align: center;
}

/* multi-build title gallery */
.build-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
figure.build { margin: 0; }
figure.build img {
  width: 100%;
  image-rendering: pixelated;
  border-radius: 4px;
  border: 1px solid var(--border);
  display: block;
}
figure.build figcaption {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 8px;
  text-align: center;
  line-height: 1.4;
}
figure.build figcaption strong { color: var(--heading); }

/* download box */
.download {
  border: 1px solid var(--border);
  background: var(--bg-raised);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 18px 0;
}
.download .kind {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.download .file { font-size: 1.05rem; font-weight: 600; }
.download.soon { border-style: dashed; }
.download.soon .kind { color: var(--badge-violet); }
.download.soon p { margin: 0; }
.download .hash {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  color: var(--text-dim);
  word-break: break-all;
  margin-top: 6px;
}

code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
  background: var(--code-bg);
  border-radius: 4px;
}
code { padding: 1px 5px; }
pre {
  padding: 12px 14px;
  overflow-x: auto;
  border: 1px solid var(--border);
  line-height: 1.5;
}
pre code { background: none; padding: 0; }

table {
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: 14px 0;
  width: 100%;
}
th, td {
  text-align: left;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
}
th { color: var(--text-dim); font-weight: 600; }
td.mono, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85rem; }

ul { padding-left: 1.3em; }
li { margin: 4px 0; }

.notes { color: var(--text-dim); font-size: 0.9rem; }

.back { font-size: 0.9rem; display: inline-block; margin-top: 22px; }
/* An inline-block never collapses its margin into the header's, so a back
   link opening a page would sit 22px lower than the index's first line. */
main > .back:first-child { margin-top: 0; }

footer.site {
  border-top: 1px solid var(--border);
  margin-top: 56px;
  color: var(--text-dim);
  font-size: 0.84rem;
}
footer.site .inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 20px;
}
footer.site p { margin: 6px 0; }

/* featured project band (index) */
.card.featured {
  border-color: var(--accent);
  background: linear-gradient(135deg,
              color-mix(in srgb, var(--accent) 8%, var(--bg-card, transparent)),
              transparent 60%);
}
.card.featured .kicker {
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 2px;
}
.card.featured .stats { color: var(--text-dim); font-size: 0.85rem; margin-top: 8px; }

/* project page highlight bullets */
ul.highlights {
  list-style: none; padding: 0; margin: 18px 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 10px;
}
ul.highlights li {
  padding: 10px 14px; border: 1px solid var(--border, #333); border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  font-size: 0.93rem;
}

/* project page coverage table: one row group per arcade game */
table.coverage th[scope="rowgroup"] {
  color: var(--text); font-weight: 600; vertical-align: top;
  border-right: 1px solid var(--border); padding-right: 16px;
}
table.coverage tr.group > * { border-top: 1px solid var(--border); }
table.coverage tr:not(.group) td { border-bottom: none; }
table.coverage tr.group td { border-bottom: none; }
table.coverage tbody tr:last-child > * { border-bottom: 1px solid var(--border); }
table.coverage .on { color: var(--text-dim); }
table.coverage .alt, table.coverage .sets {
  display: block; font-weight: 400; color: var(--text-dim);
  font-size: 0.82rem; margin-top: 2px;
}

/* project page disc-source rows */
.sources { margin: 14px 0; }
.source {
  padding: 12px 0; border-bottom: 1px solid var(--border, #333);
}
.source:first-child { border-top: 1px solid var(--border, #333); }
.src-disc { font-size: 0.95rem; }
.src-disc .platform {
  display: inline-block; font-size: 0.68rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim);
  border: 1px solid var(--border, #333); border-radius: 999px;
  padding: 1px 8px; margin-left: 8px; vertical-align: 1px;
  white-space: nowrap;
}
.src-disc .variants {
  display: block; color: var(--text-dim); font-size: 0.85rem; margin-top: 2px;
}
.src-unlocks { font-size: 0.9rem; margin-top: 6px; }
.src-unlocks::before { content: "→ "; color: var(--accent); }

/* project page FAQ */
details.faq {
  border-bottom: 1px solid var(--border, #333); padding: 2px 0;
}
details.faq:first-of-type { border-top: 1px solid var(--border, #333); }
/* the FAQ heading already draws a rule; do not stack a second one.  Needs the
   :first-of-type in the selector too, or it loses on specificity. */
h2 + details.faq:first-of-type { border-top: none; }
details.faq summary {
  cursor: pointer; padding: 10px 0; font-weight: 600; font-size: 0.95rem;
  list-style-position: inside;
}
details.faq summary:hover { color: var(--accent); }
details.faq p {
  margin: 6px 0 12px; padding-left: 18px;
  color: var(--text-dim); font-size: 0.92rem;
}

/* Recent changes: the abridged changelog above the sections, and the full
   changelog page.  One list per day, each release linking to that entry's
   own release history. */
section.changelog { margin: 2rem 0 2.5rem; }
section.changelog h3,
main > h2 + ul.changes { margin-top: 1.1rem; }
section.changelog h3 { font-size: 0.95rem; color: var(--text-dim); font-weight: 600; margin-bottom: 0.35rem; }
ul.changes { list-style: none; margin: 0 0 0.9rem; padding: 0; }
ul.changes > li { padding: 0.25rem 0; border-bottom: 1px solid var(--border); }
ul.changes > li:last-child { border-bottom: 0; }
ul.changes > li > a { font-weight: 600; }
ul.changes ul { margin: 0.35rem 0 0.5rem 1.1rem; color: var(--text-dim); }
ul.changes ul li { padding: 0.1rem 0; }
section.changelog .more { margin: 0.4rem 0 0; }