/* Zero blog: shared post styles */

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 3rem 1.5rem 6rem;
}

.back {
  display: inline-block;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  margin-bottom: 2rem;
  transition: color 0.3s;
}

.back:hover {
  color: var(--accent-cyan);
}

h1 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-magenta);
  letter-spacing: 0.04em;
  line-height: 1.4;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 20px var(--glow-magenta);
}

.meta {
  color: var(--text-dim);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  margin-bottom: 2.5rem;
}

h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
  text-shadow: 0 0 12px var(--glow-cyan-mid);
}

p {
  margin-bottom: 1rem;
  color: var(--text-body);
}

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  color: var(--text-body);
}

li {
  margin-bottom: 0.4rem;
}

.hero-img {
  width: 100%;
  border: 1px solid var(--border);
  margin: 1.5rem 0;
  display: block;
}

.caption {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: -1rem;
  margin-bottom: 2rem;
  letter-spacing: 0.04em;
}

.rule {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 2.5rem 0;
}

.repo-link {
  display: inline-block;
  border: 1px solid var(--border);
  padding: 0.6rem 1rem;
  margin: 1rem 0;
  font-size: 0.8rem;
  color: var(--accent-cyan);
  transition: border-color 0.2s, background 0.2s;
}

.repo-link:hover {
  border-color: var(--accent-cyan);
  background: var(--glow-cyan-soft);
}

footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.65rem;
  color: var(--text-dim);
}

/* Post navigation */
#post-nav {
  margin-top: 2rem;
}

.post-nav-links {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  text-decoration: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  max-width: 48%;
}

.post-nav-link:hover {
  border-color: var(--border-hover);
  box-shadow: 0 0 16px var(--glow-cyan-soft);
  text-shadow: none;
}

.nav-newer {
  align-items: flex-start;
}

.nav-older {
  align-items: flex-end;
  margin-left: auto;
}

.nav-label {
  font-size: 0.6rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.nav-title {
  font-size: 0.75rem;
  color: var(--text-bright);
  line-height: 1.4;
  transition: color 0.2s;
}

.post-nav-link:hover .nav-title {
  color: var(--accent-cyan);
}

.post-nav-hint {
  text-align: center;
  font-size: 0.55rem;
  color: var(--text-faint);
  margin-top: 0.8rem;
  letter-spacing: 0.06em;
}

@media (max-width: 480px) {
  .post-nav-links {
    flex-direction: column;
    gap: 0.8rem;
  }

  .post-nav-link {
    max-width: 100%;
  }

  .nav-older {
    align-items: flex-start;
  }
}

/* Code blocks (used alongside <pre> for styled inline code examples) */
.code-block {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 1.2rem;
  margin: 1.5rem 0;
  font-size: 0.72rem;
  line-height: 1.7;
  overflow-x: auto;
}

/* SVG diagram containers */
.diagram {
  margin: 2rem 0;
  display: flex;
  justify-content: center;
}

.diagram svg {
  width: 100%;
  max-width: 480px;
  height: auto;
}

/* Syntax highlighting tokens (brand palette) */
pre .kw,
.code-block .kw  { color: var(--accent-purple); }
pre .fn,
.code-block .fn  { color: var(--accent-cyan); }
pre .str,
.code-block .str { color: var(--accent-green); }
pre .cm,
.code-block .cm  { color: var(--text-dim); }
pre .tp,
.code-block .tp,
pre .type,
.code-block .type { color: var(--accent-pink); }