/* ---- Blog post page layout ---- */
/* Depends on base.css being loaded first */

/* Light reading theme — reverse of portfolio dark scheme */
:root {
  --bg:          #ffffff;
  --bg-2:        #f2f4f7;
  --ink:         #0d1117;
  --ink-dim:     #3c4a5c;
  --ink-faint:   #7a8899;
  --line:        rgba(0, 20, 60, 0.10);
  --accent:      #1a5fbf;
  --accent-soft: #4a7ab0;
}

body { background: var(--bg); color: var(--ink); min-height: 100vh; font-family: 'Mohave', sans-serif; }

/* ---- Back navigation ---- */
.post-nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 40px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.back-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; color: var(--ink-dim); letter-spacing: 0.12em;
  text-transform: uppercase; transition: color .2s;
  display: flex; align-items: center; gap: 8px;
}
.back-link:hover { color: var(--accent); }
.post-nav-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; color: var(--accent-soft); letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px;
}

/* ---- Article wrapper ---- */
.post {
  max-width: 720px; margin: 0 auto;
  padding: 80px 40px 120px;
}

/* ---- Header ---- */
.post-header { margin-bottom: 64px; border-bottom: 1px solid var(--line); padding-bottom: 48px; }

.post-eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--accent); letter-spacing: 0.28em;
  text-transform: uppercase; margin-bottom: 24px;
  display: flex; align-items: center; gap: 16px;
}
.post-eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--accent); }
.post-eyebrow .sep { color: var(--ink-faint); }

.post-header h1 {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700; letter-spacing: 0.02em; line-height: 1.05;
  text-transform: uppercase; margin-bottom: 28px;
}

.post-lead {
  font-family: 'Mohave', sans-serif;
  font-size: 19px; color: var(--ink-dim); font-weight: 300;
  line-height: 1.65; text-wrap: pretty;
}

/* ---- Body ---- */
.post-body { font-family: 'Mohave', sans-serif; font-size: 17px; font-weight: 300; line-height: 1.75; color: var(--ink); }

.post-body p { margin-bottom: 24px; text-wrap: pretty; }
.post-body p:last-child { margin-bottom: 0; }

.post-body h2 {
  font-family: 'Mohave', sans-serif;
  font-size: clamp(24px, 3vw, 32px); font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--ink); margin: 56px 0 20px;
}

.post-body h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; color: var(--accent); letter-spacing: 0.14em;
  text-transform: uppercase; margin: 40px 0 14px;
}

.post-body ul, .post-body ol {
  padding-left: 0; list-style: none; margin-bottom: 24px;
  display: flex; flex-direction: column; gap: 10px;
}
.post-body ul li, .post-body ol li {
  padding-left: 22px; position: relative; color: var(--ink-dim);
}
.post-body ul li::before {
  content: '—'; position: absolute; left: 0; color: var(--accent-soft);
  font-family: 'JetBrains Mono', monospace;
}
.post-body ol { counter-reset: item; }
.post-body ol li { counter-increment: item; }
.post-body ol li::before {
  content: counter(item, decimal-leading-zero);
  position: absolute; left: 0; color: var(--accent-soft);
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
}

.post-body code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; color: var(--accent);
  background: rgba(26, 95, 191, 0.07);
  padding: 2px 7px; border-radius: 3px;
}

.post-body pre {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 4px; padding: 24px; overflow-x: auto;
  margin: 32px 0; font-family: 'JetBrains Mono', monospace;
  font-size: 13px; line-height: 1.7; color: var(--ink-dim);
}

.post-body blockquote {
  border-left: 2px solid var(--accent-soft);
  padding: 4px 0 4px 24px; margin: 32px 0;
  color: var(--ink-dim); font-style: italic;
}

.callout {
  background: rgba(26, 95, 191, 0.05);
  border: 1px solid var(--line); border-left: 2px solid var(--accent-soft);
  border-radius: 4px; padding: 20px 24px; margin: 32px 0;
  font-family: 'JetBrains Mono', monospace; font-size: 13px;
  color: var(--ink-dim); line-height: 1.65; letter-spacing: 0.01em;
}
.callout strong { color: var(--accent); font-weight: 500; }

/* ---- Footer ---- */
.post-footer {
  max-width: 720px; margin: 0 auto;
  padding: 40px 40px 60px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--ink-faint); letter-spacing: 0.08em;
}
.post-footer a {
  color: var(--ink-dim); transition: color .2s;
  display: flex; align-items: center; gap: 8px;
}
.post-footer a:hover { color: var(--accent); }

/* ---- Responsive ---- */
@media (max-width: 700px) {
  .post-nav { padding: 16px 20px; }
  .post { padding: 48px 20px 80px; }
  .post-footer { padding: 32px 20px 48px; flex-direction: column; gap: 16px; align-items: flex-start; }
}