/* Single Post — Blog Articles */

.aipz-single-post {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 2rem var(--container-padding);
}

/* Layout: content + sidebar */
.aipz-post-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  align-items: start;
}

/* ── Header ── */
.aipz-post-header {
  margin-bottom: 2rem;
}

.aipz-post-categories {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.aipz-post-categories .aipz-pill {
  text-decoration: none;
}

.aipz-post-title {
  font-size: var(--text-h1);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 1rem 0;
  letter-spacing: -0.02em;
}

.aipz-post-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-small);
  color: var(--aipz-text-muted);
  flex-wrap: wrap;
}

.aipz-post-author {
  color: var(--aipz-accent-teal);
  font-weight: 600;
}

/* ── Featured Image ── */
.aipz-post-featured-image {
  margin-bottom: 2rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.aipz-post-hero-img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ── Tags ── */
.aipz-post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--aipz-border);
}

.aipz-tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  background: var(--aipz-surface-2);
  color: var(--aipz-text-secondary);
  border: 1px solid var(--aipz-border);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.aipz-tag-pill:hover {
  background: var(--aipz-accent-teal-dim);
  color: var(--aipz-accent-teal);
  border-color: var(--aipz-accent-teal);
}

/* ── Author Box ── */
.aipz-author-box {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--aipz-surface-1);
  border: 1px solid var(--aipz-border);
  border-radius: var(--radius-lg);
}

.aipz-author-avatar img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--aipz-border);
}

.aipz-author-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--aipz-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.125rem;
}

.aipz-author-name {
  display: block;
  font-weight: 700;
  color: var(--aipz-text-primary);
}

.aipz-author-bio {
  font-size: var(--text-small);
  color: var(--aipz-text-secondary);
  margin: 0.375rem 0 0 0;
  line-height: 1.5;
}

/* ── Sidebar ── */
.aipz-post-sidebar {
  position: sticky;
  top: 5rem;
}

.aipz-sidebar-section {
  background: var(--aipz-surface-1);
  border: 1px solid var(--aipz-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.aipz-sidebar-section h3 {
  font-size: var(--text-body);
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  color: var(--aipz-text-primary);
}

.aipz-sidebar-text {
  font-size: var(--text-small);
  color: var(--aipz-text-secondary);
  margin: 0 0 1rem 0;
  line-height: 1.5;
}

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

.aipz-related-list li {
  border-bottom: 1px solid var(--aipz-border);
}

.aipz-related-list li:last-child {
  border-bottom: none;
}

.aipz-related-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.aipz-related-title {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--aipz-text-primary);
  line-height: 1.4;
}

.aipz-related-list a:hover .aipz-related-title {
  color: var(--aipz-accent-teal);
}

.aipz-related-date {
  font-size: var(--text-xs);
  color: var(--aipz-text-muted);
  white-space: nowrap;
}

/* ── Sidebar Newsletter ── */
.aipz-sidebar-newsletter {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(39, 53, 72, 0.8));
  border-color: rgba(45, 212, 191, 0.2);
}

.aipz-sidebar-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.aipz-sidebar-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--aipz-border);
  border-radius: var(--radius-md);
  color: var(--aipz-text-primary);
  font-size: var(--text-small);
  font-family: var(--aipz-font-family);
}

.aipz-sidebar-input:focus {
  outline: none;
  border-color: var(--aipz-accent-teal);
}

.aipz-sidebar-form .aipz-btn-coral {
  width: 100%;
  padding: 0.625rem 1rem;
  font-size: var(--text-small);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .aipz-post-layout {
    grid-template-columns: 1fr;
  }

  .aipz-post-sidebar {
    position: static;
  }
}

@media (max-width: 640px) {
  .aipz-single-post {
    padding: 1.5rem var(--container-padding);
  }

  .aipz-post-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  .aipz-author-box {
    flex-direction: column;
    text-align: center;
  }
}