/* Blog post styles — extends style.css */

/* Post layout */
.blog-post {
  padding: 3rem 0 5rem;
}
.blog-post .container {
  max-width: 720px;
}

/* Header */
.post-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}
.post-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.meta-sep { color: var(--color-border-light); }
.post-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.post-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Body text */
.post-body h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 3rem 0 1rem;
  letter-spacing: -0.01em;
}
.post-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
}
.post-body p {
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
  font-size: 1.02rem;
  line-height: 1.75;
}
.post-body ul, .post-body ol {
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  font-size: 1.02rem;
  line-height: 1.75;
}
.post-body li {
  margin-bottom: 0.4rem;
}
.post-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--color-accent);
}
.post-body em {
  color: var(--color-text);
  font-style: italic;
}
.post-body strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Stat cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}
.stat-card.stat-bad {
  border-color: rgba(248, 113, 113, 0.3);
}
.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--color-red);
  margin-bottom: 0.25rem;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}
.stat-sublabel {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.2rem;
}

/* Two-column cards */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}
.col-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.col-card h3 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}
.col-card p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}
.card-note {
  font-size: 0.82rem !important;
  color: var(--color-text-muted) !important;
  font-style: italic;
  margin-bottom: 0 !important;
}

/* Problem list */
.problem-list {
  margin: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.problem-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.problem-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-orange);
  background: var(--color-orange-dim);
  min-width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  flex-shrink: 0;
}
.problem-content h4 {
  font-size: 1rem;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}
.problem-content p {
  font-size: 0.92rem;
  margin-bottom: 0;
}

/* Architecture comparison */
.arch-compare {
  margin: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.arch-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.arch-box.arch-ours {
  border-color: rgba(34, 211, 238, 0.3);
  background: rgba(34, 211, 238, 0.03);
}
.arch-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}
.arch-ours .arch-label {
  color: var(--color-accent);
}
.arch-flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
}
.flow-arrow {
  color: var(--color-text-muted);
  font-weight: 300;
}

/* Status grid */
.status-grid {
  margin: 1rem 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.status-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.92rem;
}
.status-item code {
  min-width: 160px;
  flex-shrink: 0;
}
.status-item span {
  color: var(--color-text-secondary);
}
.status-verified {
  background: rgba(52, 211, 153, 0.06);
  border: 1px solid rgba(52, 211, 153, 0.2);
}
.status-extracted {
  background: rgba(251, 146, 60, 0.06);
  border: 1px solid rgba(251, 146, 60, 0.2);
}
.status-unreviewed {
  background: rgba(100, 116, 139, 0.06);
  border: 1px solid rgba(100, 116, 139, 0.2);
}
.status-reverify {
  background: rgba(248, 113, 113, 0.06);
  border: 1px solid rgba(248, 113, 113, 0.2);
}

/* Defense list */
.defense-list {
  margin: 1.5rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.defense-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.defense-check {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-green);
  background: var(--color-green-dim);
  min-width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  flex-shrink: 0;
}
.defense-item div:last-child {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Post CTA */
.post-cta {
  margin: 3rem 0 2rem;
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 0 30px rgba(34, 211, 238, 0.06);
}
.post-cta h3 {
  font-size: 1.3rem;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}
.post-cta p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.post-cta-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* References */
.references {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}
.references h3 {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}
.references ol {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  padding-left: 1.25rem;
}
.references li {
  margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 640px) {
  .stat-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .status-item { flex-direction: column; gap: 0.25rem; }
  .status-item code { min-width: auto; }
  .arch-flow { font-size: 0.8rem; }
  .blog-post { padding: 2rem 0 3rem; }
}