/* ============================================
   Blog stylesheet - 28 Apr 2026
   Matches main site brand. Imports vars from styles.css.
   ============================================ */

@import url('./styles.css');

html { overflow-x: clip; }

body {
  margin: 0;
  background: var(--bg-primary, #0f172a);
  color: var(--text-primary, #e2e8f0);
}

/* Site header (keep simple, top of every blog page) */
body > header {
  padding: 1.25rem var(--container-padding, 1.5rem);
  border-bottom: 1px solid var(--border, rgba(255,255,255,0.08));
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  font-family: var(--font-body, system-ui, sans-serif);
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}
body > header a {
  color: var(--text-primary, #e2e8f0);
  text-decoration: none;
}
body > header a strong {
  font-family: var(--font-heading, system-ui);
  font-size: 1.25rem;
  background: var(--gradient-brand, linear-gradient(135deg, #3b82f6, #06b6d4));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
body > header a:hover { color: var(--blue-400, #60a5fa); }

/* Main content wrapper */
main {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
  font-family: var(--font-body, system-ui, sans-serif);
  line-height: 1.7;
}

main h1 {
  font-family: var(--font-heading, system-ui);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin: 0 0 1rem;
  line-height: 1.2;
  background: var(--gradient-brand, linear-gradient(135deg, #3b82f6, #06b6d4));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Blog index — list of posts as cards */
#posts-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
#posts-list article {
  background: var(--bg-card, rgba(255,255,255,0.03));
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  border-radius: var(--radius-xl, 1rem);
  padding: 1.75rem;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
#posts-list article:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.1);
}
#posts-list article h2 {
  font-family: var(--font-heading, system-ui);
  font-size: 1.4rem;
  margin: 0 0 0.75rem;
  line-height: 1.3;
}
#posts-list article h2 a {
  color: var(--text-primary, #f1f5f9);
  text-decoration: none;
}
#posts-list article h2 a:hover {
  background: var(--gradient-brand, linear-gradient(135deg, #3b82f6, #06b6d4));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
#posts-list article p {
  color: var(--text-secondary, #94a3b8);
  margin: 0 0 1rem;
}
#posts-list article p.meta {
  font-size: 0.85rem;
  color: var(--text-tertiary, #64748b);
  margin-bottom: 0;
}

/* Article page (individual blog post) */
main.article {
  max-width: 720px;
}
main.article p.meta {
  color: var(--text-tertiary, #64748b);
  font-size: 0.9rem;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border, rgba(255,255,255,0.08));
}
main.article h2 {
  font-family: var(--font-heading, system-ui);
  font-size: clamp(1.4rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--text-primary, #f1f5f9);
  margin: 2.5rem 0 1rem;
}
main.article h3 {
  font-family: var(--font-heading, system-ui);
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  font-weight: 700;
  color: var(--text-primary, #f1f5f9);
  margin: 2rem 0 0.75rem;
}
main.article p {
  color: var(--text-secondary, #cbd5e1);
  margin: 0 0 1.25rem;
}
main.article a {
  color: var(--blue-400, #60a5fa);
  text-decoration: underline;
  text-decoration-color: rgba(96, 165, 250, 0.4);
  text-underline-offset: 3px;
}
main.article a:hover {
  text-decoration-color: var(--blue-400, #60a5fa);
}
main.article ul, main.article ol {
  color: var(--text-secondary, #cbd5e1);
  padding-left: 1.5rem;
  margin: 0 0 1.25rem;
}
main.article li {
  margin-bottom: 0.5rem;
}
main.article code {
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: rgba(255,255,255,0.06);
  padding: 0.15rem 0.4rem;
  border-radius: 0.25rem;
  color: var(--teal-400, #2dd4bf);
}
main.article pre {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  border-radius: 0.75rem;
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5rem 0;
}
main.article pre code {
  background: none;
  padding: 0;
  color: var(--text-secondary, #cbd5e1);
}
main.article blockquote {
  border-left: 3px solid var(--blue-500, #3b82f6);
  padding: 0.5rem 0 0.5rem 1.25rem;
  margin: 1.5rem 0;
  color: var(--text-tertiary, #94a3b8);
  font-style: italic;
}

/* Footer */
body > footer {
  text-align: center;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--border, rgba(255,255,255,0.08));
  color: var(--text-tertiary, #64748b);
  font-family: var(--font-body, system-ui, sans-serif);
  font-size: 0.875rem;
}

/* Mobile tightening */
@media (max-width: 575px) {
  main { padding: 2rem 1.25rem 3rem; }
  #posts-list { grid-template-columns: 1fr; gap: 1rem; }
  #posts-list article { padding: 1.5rem 1.25rem; }
  body > header { padding: 1rem; gap: 1rem; }
}

/* Image safety in articles */
main img, main video, main iframe {
  max-width: 100%;
  height: auto;
}