/* Basic theme: light/dark aware, no framework, no build step. */
:root {
  color-scheme: light dark;

  --bg: light-dark(#ffffff, #16161a);
  --text: light-dark(#1c1c21, #e9e9ee);
  --muted: light-dark(#5f5f6b, #a6a6b2);
  --accent: light-dark(#6d28d9, #c4b5fd);
  --accent-ink: light-dark(#ffffff, #221245);
  --border: light-dark(#e3e3e9, #2d2d36);
  --surface: light-dark(#f6f6f9, #1f1f27);
  --radius: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.65;
}

a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.container {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

/* Header / nav */
.site-header { border-bottom: 1px solid var(--border); }
.nav {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0.9rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}
.links { display: flex; gap: 0.25rem; }
.links a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius);
}
.links a:hover { background: var(--surface); color: var(--text); }
.links a[aria-current="page"] {
  color: var(--accent);
  font-weight: 600;
}

/* Hero */
.hero { padding: 2.5rem 0 1rem; }
.hero h1 { font-size: 2.2rem; line-height: 1.2; margin: 0 0 0.5rem; }
.hero p { color: var(--muted); max-width: 36rem; }

/* Buttons */
.button {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  margin-right: 0.5rem;
  background: var(--accent);
  color: var(--accent-ink) !important;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
}
.button.secondary {
  background: transparent;
  color: var(--text) !important;
  border: 1px solid var(--border);
}

/* Post list */
.post-list { list-style: none; padding: 0; margin: 1rem 0; }
.post-list li {
  padding: 0.8rem 1rem;
  margin-bottom: 0.6rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.post-list a { font-weight: 600; text-decoration: none; }
.post-list a:hover { text-decoration: underline; }
.muted { color: var(--muted); font-size: 0.9rem; }

/* Article */
.post h1 { margin-bottom: 0.25rem; }
.post h2 { margin-top: 2rem; }
.post img { max-width: 100%; border-radius: var(--radius); }
.post blockquote {
  margin: 1.2rem 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}
.post table { border-collapse: collapse; width: 100%; margin: 1.2rem 0; }
.post th, .post td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  text-align: left;
}
.post th { background: var(--surface); }

hr { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

pre {
  padding: 1rem;
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
code { font-family: var(--mono); font-size: 0.9em; }
:not(pre) > code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1em 0.35em;
}

/* Footer */
.site-footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1.2rem 1rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}