:root {
  --bg: #0b0e14;
  --bg-soft: #11151f;
  --border: #1e2430;
  --fg: #c4c9d4;
  --fg-dim: #7d8694;
  --accent: #3fb950;
  --accent-2: #58a6ff;
  --mono: "JetBrains Mono", "SF Mono", "Fira Code", ui-monospace, Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
  flex: 1 0 auto;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- header ---------- */
.site-head {
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 20px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: baseline;
  justify-content: space-between;
}
.brand {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--fg);
  font-weight: 600;
}
.brand:hover { text-decoration: none; }
.brand .prompt { color: var(--accent); }
.brand .path { color: var(--accent-2); }
.cursor {
  display: inline-block;
  width: 8px; height: 1.05em;
  background: var(--accent);
  vertical-align: text-bottom;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.blink { color: var(--accent); animation: blink 1.1s steps(1) infinite; }

.site-head nav { display: flex; gap: 20px; font-family: var(--mono); font-size: 0.9rem; }
.site-head nav a { color: var(--fg-dim); }
.site-head nav a:hover { color: var(--accent); text-decoration: none; }

/* ---------- intro ---------- */
.intro { padding: 24px 0 8px; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.intro h1 { font-family: var(--mono); font-size: 2rem; margin: 0 0 6px; }
.intro p { color: var(--fg-dim); margin: 0; }

/* ---------- post list ---------- */
.post-list { padding: 8px 0 32px; }
.post-item { padding: 22px 0; border-bottom: 1px solid var(--border); }
.post-item h2 { margin: 6px 0; font-size: 1.3rem; line-height: 1.3; }
.post-item h2 a { color: var(--fg); }
.post-item h2 a:hover { color: var(--accent); text-decoration: none; }
.post-item .excerpt { color: var(--fg-dim); margin: 4px 0 10px; }

.meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--fg-dim);
  display: flex;
  gap: 14px;
  align-items: center;
}
.meta .read::before { content: "·"; margin-right: 14px; color: var(--border); }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  background: rgba(63,185,80,0.08);
  border: 1px solid rgba(63,185,80,0.25);
  padding: 2px 8px;
  border-radius: 4px;
}
.tag:hover { background: rgba(63,185,80,0.16); text-decoration: none; }

/* ---------- post ---------- */
.post { padding: 20px 0 48px; }
.post-head { padding-bottom: 20px; margin-bottom: 24px; border-bottom: 1px solid var(--border); }
.post-head h1 { font-size: 2rem; line-height: 1.25; margin: 0 0 12px; }
.post-head .meta { margin-bottom: 12px; }

.content { font-size: 1.02rem; }
.content h2 { font-family: var(--mono); font-size: 1.4rem; margin: 2em 0 0.6em; padding-top: 0.2em; }
.content h3 { font-family: var(--mono); font-size: 1.15rem; margin: 1.6em 0 0.5em; }
.content h2::before { content: "## "; color: var(--accent); }
.content h3::before { content: "### "; color: var(--fg-dim); }
.content p, .content li { color: var(--fg); }
.content a { text-decoration: underline; text-underline-offset: 2px; }

.content code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: 4px;
  color: #e6b673;
}
.content pre {
  background: var(--bg-soft) !important;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.55;
}
.content pre code { background: none; border: none; padding: 0; color: inherit; font-size: inherit; }

.content blockquote {
  margin: 1.2em 0;
  padding: 2px 18px;
  border-left: 3px solid var(--accent);
  color: var(--fg-dim);
  background: var(--bg-soft);
  border-radius: 0 6px 6px 0;
}
.content table { border-collapse: collapse; width: 100%; margin: 1.2em 0; font-size: 0.92rem; }
.content th, .content td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
.content th { background: var(--bg-soft); font-family: var(--mono); }
.content img { max-width: 100%; border-radius: 8px; border: 1px solid var(--border); }
.content hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }

.back { display: inline-block; margin-top: 32px; font-family: var(--mono); font-size: 0.85rem; }

/* ---------- pages / tags ---------- */
.page { padding: 24px 0; }
.page h1 { font-family: var(--mono); font-size: 1.8rem; }
.tag-cloud { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud li { display: flex; align-items: center; gap: 6px; }
.tag-cloud .count { font-family: var(--mono); font-size: 0.72rem; color: var(--fg-dim); }

/* ---------- footer ---------- */
.site-foot {
  flex-shrink: 0;
  max-width: 760px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--fg-dim);
}
.site-foot .links a { color: var(--fg-dim); margin-left: 14px; }
.site-foot .links a:first-child { margin-left: 0; }
.site-foot .links a:hover { color: var(--accent); text-decoration: none; }

@media (max-width: 560px) {
  .intro h1 { font-size: 1.6rem; }
  .post-head h1 { font-size: 1.5rem; }
}