/* Palette matched to the branded code-card covers:
   bg #0b0e14 -> #0e1320, panel #101520, cyan #56d4dd, purple #c792ea,
   text #e6edf3, muted #8b949e, border #283042 */

:root {
  --bg: #0b0e14;
  --bg2: #0e1320;
  --panel: #101520;
  --border: #283042;
  --text: #d9e0e8;
  --muted: #8b949e;
  --cyan: #56d4dd;
  --purple: #c792ea;
  --green: #98c379;
  --amber: #ffcb6b;
  --maxw: 720px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
  min-height: 100vh;
  color: var(--text);
  font: 17px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

main { max-width: var(--maxw); margin: 0 auto; padding: 2rem 1.25rem 4rem; }

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

h1, h2, h3 { line-height: 1.25; color: #f0f4f8; }
h1 { font-size: 2rem; }
h2 { font-size: 1.45rem; margin-top: 2.5rem; }
h3 { font-size: 1.15rem; margin-bottom: 0.25rem; }

/* Header */
.site-header {
  max-width: var(--maxw); margin: 0 auto; padding: 1.5rem 1.25rem;
  display: flex; justify-content: space-between; align-items: baseline;
  border-bottom: 1px solid var(--border);
}
.site-name { text-decoration: none; }
.site-name:hover { text-decoration: none; color: var(--cyan); }
.site-name .tld { color: var(--cyan); }
.site-header nav a { margin-left: 1.25rem; color: var(--muted); }
.site-header nav a:hover { color: var(--cyan); text-decoration: none; }

/* Post list */
.post-item { margin: 2rem 0; }
.meta { color: var(--muted); font-size: 0.9rem; margin: 0.15rem 0 0.4rem; }
.meta a { color: var(--muted); }
.series-chip {
  display: inline-block; padding: 0 0.5rem; border: 1px solid var(--border);
  border-radius: 999px; font-size: 0.8rem; color: var(--purple) !important;
}

/* Post body */
.post-body { margin-top: 1.5rem; }
.post-body p { margin: 1.1rem 0; }
.post-body blockquote {
  margin: 1.5rem 0; padding: 0.25rem 1.25rem; border-left: 3px solid var(--cyan);
  color: var(--muted); font-style: italic;
}
.post-body code {
  font-family: ui-monospace, SFMono-Regular, "Cascadia Mono", Consolas, monospace;
  font-size: 0.88em;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.1em 0.35em;
}
.post-body pre {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  line-height: 1.55;
}
.post-body pre code { background: none; border: none; padding: 0; font-size: 0.85rem; }
.post-body img { max-width: 100%; border-radius: 10px; }
.post-body hr { border: none; border-top: 1px solid var(--border); margin: 2.5rem 0; }

/* Series box */
.series-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1.25rem;
  margin: 1.5rem 0;
  font-size: 0.92rem;
}
.series-box .series-title { margin: 0 0 0.4rem; color: var(--muted); }
.series-box ol { margin: 0; padding-left: 1.25rem; }
.series-current { color: var(--amber); }

/* Post footer + site footer */
.post-footer { margin-top: 3rem; padding-top: 1.25rem; border-top: 1px solid var(--border); color: var(--muted); }
.site-footer {
  max-width: var(--maxw); margin: 0 auto; padding: 1.5rem 1.25rem 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted); font-size: 0.85rem;
}
.footer-note { margin-top: 0.25rem; }

.term-list { list-style: none; padding: 0; }
.term-list li { margin: 0.5rem 0; }

@media (max-width: 600px) {
  .site-header { flex-direction: column; gap: 0.5rem; }
  h1 { font-size: 1.6rem; }
}