/* upxz site — minimal, readable, light+dark. */

:root {
  --fg: #1f2328;
  --fg-muted: #57606a;
  --bg: #ffffff;
  --bg-alt: #f6f8fa;
  --border: #d0d7de;
  --link: #0969da;
  --link-hover: #033d8b;
  --code-bg: #f6f8fa;
  --code-fg: #1f2328;
  --inline-code-bg: rgba(175, 184, 193, 0.2);
  --table-stripe: #f6f8fa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e6edf3;
    --fg-muted: #8d96a0;
    --bg: #0d1117;
    --bg-alt: #161b22;
    --border: #30363d;
    --link: #4493f8;
    --link-hover: #58a6ff;
    --code-bg: #161b22;
    --code-fg: #e6edf3;
    --inline-code-bg: rgba(110, 118, 129, 0.4);
    --table-stripe: #161b22;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

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

.wrap { max-width: 780px; margin: 0 auto; padding: 0 1.5rem; }

.site-header { border-bottom: 1px solid var(--border); padding: 1rem 0; }
.site-header .wrap { display: flex; align-items: center; gap: 2rem; }
.site-title { font-weight: 600; color: var(--fg); text-decoration: none; font-size: 1.1rem; }
.site-nav { margin-left: auto; display: flex; gap: 1.25rem; }
.site-nav a { color: var(--fg-muted); text-decoration: none; }
.site-nav a:hover { color: var(--link); }

main.wrap { padding: 2rem 1.5rem 3rem; }

h1, h2, h3, h4 { line-height: 1.25; margin: 2rem 0 1rem; }
h1 { font-size: 2rem; border-bottom: 1px solid var(--border); padding-bottom: 0.4rem; }
h2 { font-size: 1.5rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3rem; }
h3 { font-size: 1.2rem; }
p, ul, ol { margin: 0 0 1rem; }

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

code { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace; }
p code, li code, td code { background: var(--inline-code-bg); padding: 0.1em 0.35em; border-radius: 4px; font-size: 0.92em; }

pre { background: var(--code-bg); color: var(--code-fg); padding: 1rem 1.2rem; border-radius: 6px; overflow-x: auto; border: 1px solid var(--border); }
pre code { background: none; padding: 0; border-radius: 0; font-size: 0.88em; }

table { border-collapse: collapse; width: 100%; margin: 0 0 1rem; font-size: 0.94em; }
th, td { padding: 0.45rem 0.7rem; border: 1px solid var(--border); text-align: left; }
th { background: var(--bg-alt); }
tr:nth-child(even) td { background: var(--table-stripe); }

blockquote { border-left: 3px solid var(--border); margin: 0 0 1rem; padding: 0 1rem; color: var(--fg-muted); }

.site-footer { border-top: 1px solid var(--border); padding: 1.5rem 0; color: var(--fg-muted); font-size: 0.9rem; }
.site-footer a { color: var(--fg-muted); text-decoration: underline; }
.site-footer p { margin: 0; }