/* XYZ Forge site — single shared stylesheet. No external assets, no JS required. */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1c2128;
  --muted: #57606a;
  --border: #d8dee4;
  --accent: #0f5ea8;
  --accent-soft: #e8f0fa;
  --ok: #1a7f37;
  --warn: #9a6700;
  --code-bg: #eff2f5;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --surface: #161b22;
    --text: #e6edf3;
    --muted: #9198a1;
    --border: #30363d;
    --accent: #6cb2f5;
    --accent-soft: #12283d;
    --ok: #3fb950;
    --warn: #d29922;
    --code-bg: #1c2129;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.wrap {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
}

code {
  background: var(--code-bg);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  overflow-x: auto;
}

pre code { background: none; padding: 0; }

/* Header */

.site-head {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-head .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand:hover { text-decoration: none; color: var(--accent); }

.site-head nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.9rem;
  font-size: 0.92rem;
}

.site-head nav a { color: var(--muted); padding: 0.15rem 0; }
.site-head nav a:hover { color: var(--accent); text-decoration: none; }
.site-head nav a[aria-current="page"] { color: var(--accent); font-weight: 600; }

/* Hero */

.hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0 2.5rem;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.hero .tagline {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 44rem;
  margin: 0 0 1.5rem;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.btn {
  display: inline-block;
  padding: 0.5rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--shadow);
}

.btn:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }

.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { color: #fff; filter: brightness(1.08); }

@media (prefers-color-scheme: dark) {
  .btn-primary { color: #0d1117; }
  .btn-primary:hover { color: #0d1117; }
}

/* Page body */

main { padding: 2.25rem 0 3rem; }

main h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

main h2 {
  font-size: 1.3rem;
  margin: 2.25rem 0 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

main h2:first-of-type { border-top: none; padding-top: 0; }

main h3 { font-size: 1.05rem; margin: 1.5rem 0 0.5rem; }

.page-intro { color: var(--muted); font-size: 1.05rem; max-width: 46rem; }

.note {
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.92rem;
  margin: 1.25rem 0;
}

.note.warn { background: color-mix(in srgb, var(--warn) 12%, var(--surface)); }

/* Cards */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}

.card h3 { margin: 0 0 0.4rem; font-size: 1rem; }
.card p { margin: 0; font-size: 0.92rem; color: var(--muted); }

/* Tables */

.table-wrap { overflow-x: auto; margin: 1rem 0; }

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.92rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: var(--code-bg);
  font-weight: 600;
  white-space: nowrap;
}

tr:last-child td { border-bottom: none; }

/* Badges */

.badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.05rem 0.6rem;
  border: 1px solid var(--border);
  background: var(--code-bg);
  white-space: nowrap;
}

.badge.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, var(--border)); }
.badge.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, var(--border)); }

/* Roadmap sections */

.rm-section { margin: 1.75rem 0; }

.rm-section > h2 {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  border-top: none;
  padding-top: 0;
  margin: 1.75rem 0 0.5rem;
}

.rm-count {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 400;
}

ul.rm-items { list-style: none; margin: 0; padding: 0; }

ul.rm-items li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  margin-bottom: 0.45rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.75rem;
  align-items: baseline;
}

ul.rm-items .marker { flex: none; }
ul.rm-items .title { flex: 1 1 24rem; }
ul.rm-items .gh { flex: none; font-size: 0.8rem; color: var(--muted); }

details.rm-collapse summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--accent);
  margin: 0.5rem 0 0.75rem;
}

/* Generated-by line */

.gen-note {
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px dashed var(--border);
  margin-top: 2.5rem;
  padding-top: 0.75rem;
}

/* Footer */

.site-foot {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 1.5rem 0 2rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; justify-content: space-between; }