/* Shared minimal styles for static pages (404, about, contact, privacy).
   Kept dependency-free so these pages read fine without JavaScript. */
:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #0a0a0a;
  --dim: rgba(10, 10, 10, 0.55);
  --line: rgba(10, 10, 10, 0.15);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --fg: #f4f4f2;
    --dim: rgba(244, 244, 242, 0.55);
    --line: rgba(244, 244, 242, 0.15);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.7;
  padding: 0 1.5rem;
  max-width: 46rem;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 4rem;
  padding-bottom: 4rem;
}
main { width: 100%; }
h1 {
  font-size: 1.75rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}
h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--dim);
  font-weight: 700;
  margin: 2.5rem 0 0.75rem;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}
p { margin: 0 0 1rem; }
a { color: var(--fg); }
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8125rem;
  background: color-mix(in srgb, var(--fg) 5%, transparent);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.875em;
  background: color-mix(in srgb, var(--fg) 7%, transparent);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
.meta {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
}
.back { margin-top: 2.5rem; border-top: 1px solid var(--line); padding-top: 1rem; font-size: 0.875rem; }