:root {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --text: #1c1b19;
  --muted: #6f6b64;
  --line: #e6e2db;
  --accent: #b4531f;
  --accent-soft: #f5e7dc;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141310;
    --surface: #1c1a16;
    --text: #ece8e1;
    --muted: #9d968b;
    --line: #2f2c26;
    --accent: #e08b4c;
    --accent-soft: #2a2018;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0 1.25rem 4rem;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  max-width: 42rem;
  margin-inline: auto;
}

a { color: var(--accent); }

/* ---------- header ---------- */

.site-head {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.5rem;
}

.site-name {
  display: inline-block;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}

.site-name:hover { color: var(--accent); }

.site-role {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- intro ---------- */

.intro p {
  margin: 0 0 1rem;
}

.intro p:last-child { margin-bottom: 0; }

/* ---------- post list ---------- */

.section-label {
  margin: 3rem 0 1.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.post-item:first-child { padding-top: 0; }

.post-link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 1rem;
  text-decoration: none;
  color: var(--text);
}

.post-link:hover .post-title {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.post-date {
  flex: 0 0 auto;
  min-width: 8.5rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
}

.post-title {
  font-size: 1.05rem;
  font-weight: 600;
}

.post-summary {
  margin: 0.4rem 0 0;
  margin-left: 9.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.empty { color: var(--muted); }

/* ---------- tags ---------- */

.tags {
  margin: 0.55rem 0 0;
  margin-left: 9.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 2px;
  padding: 0.1rem 0.45rem;
  font-family: var(--mono);
  font-size: 0.72rem;
}

/* ---------- single post ---------- */

.post-head {
  margin-bottom: 2rem;
}

.post-head h1 {
  margin: 0.4rem 0 0;
  font-size: 1.85rem;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.post-head .tags {
  margin-left: 0;
}

.post-body h2 {
  margin: 2.25rem 0 0.75rem;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.post-body h3 {
  margin: 1.75rem 0 0.6rem;
  font-size: 1.03rem;
}

.post-body p { margin: 0 0 1.15rem; }

.post-body ul,
.post-body ol { margin: 0 0 1.15rem; padding-left: 1.3rem; }

.post-body li { margin-bottom: 0.35rem; }

.post-body blockquote {
  margin: 0 0 1.15rem;
  padding: 0.15rem 0 0.15rem 1rem;
  border-left: 2px solid var(--accent);
  color: var(--muted);
}

.post-body code {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 2px;
  padding: 0.1rem 0.3rem;
  font-family: var(--mono);
  font-size: 0.87em;
}

.post-body pre {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  margin: 0 0 1.15rem;
}

.post-body pre code {
  background: none;
  color: var(--text);
  padding: 0;
  font-size: 0.85rem;
}

.post-body hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 2rem 0;
}

.back {
  margin-top: 3rem;
  font-size: 0.92rem;
}

.back a { text-decoration: none; }
.back a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- footer ---------- */

.site-foot {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

.built-by { margin: 0 0 0.35rem; }
.foot-meta { margin: 0; opacity: 0.8; }

/* ---------- narrow screens ---------- */

@media (max-width: 34rem) {
  body { font-size: 16px; }
  .site-head { padding-top: 2.5rem; }
  .post-date { min-width: 0; width: 100%; }
  .post-summary,
  .tags { margin-left: 0; }
  .post-head h1 { font-size: 1.5rem; }
}