/* ============================================================
   VERNAL — blog-post.css
   Blog post page styles. Prose typography system for Lora body text.
   Source: WD Blog Post Template v1.
   Nav, footer, .post-tag, .container-post live in components.css.
   ============================================================ */

/* ============================================================
   POST HEADER
   ============================================================ */

.post-header {
  background: var(--c-bg);
  padding: var(--sp-7) 0 var(--sp-8);
  border-bottom: 1px solid var(--c-border-subtle);
}

.post-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-3);
  margin-bottom: var(--sp-5);
  transition: color var(--t-fast) var(--ease);
}

.post-back:hover { color: var(--c-primary); }

.post-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.post-h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 42px);
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin-bottom: var(--sp-5);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.post-meta-date {
  font-size: 14px;
  color: var(--c-text-3);
  font-weight: 500;
}

.post-meta-sep {
  color: var(--c-border);
}

.post-meta-readtime {
  font-size: 14px;
  color: var(--c-text-3);
}

/* ============================================================
   POST BODY
   ============================================================ */

.post-body {
  background: var(--c-surface);
  padding: var(--sp-8) 0;
}

/* Lora for the reading surface */
.post-body-content {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.82;
  color: var(--c-text);
}

.post-body-content p {
  margin-bottom: 1.5em;
}

.post-body-content h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: -0.015em;
  line-height: 1.2;
  margin: 2.25em 0 0.6em;
}

.post-body-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 2em 0 0.5em;
}

.post-body-content blockquote {
  border-left: 3px solid var(--c-primary);
  padding: var(--sp-2) 0 var(--sp-2) var(--sp-5);
  margin: 2em 0;
  font-style: italic;
  color: var(--c-text-2);
}

.post-body-content blockquote p {
  margin-bottom: 0;
}

.post-body-content a {
  color: var(--c-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--t-fast) var(--ease);
}

.post-body-content a:hover { color: var(--c-primary-hover); }

/* Inline code */
.post-body-content code {
  font-family: 'SFMono-Regular', 'Consolas', 'Menlo', monospace;
  font-size: 0.84em;
  background: var(--c-surface-inset);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--r-sm);
  padding: 2px 6px;
  color: var(--c-text);
  font-style: normal;
}

/* Code blocks */
.post-body-content pre {
  background: var(--c-surface-inset);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  overflow-x: auto;
  margin: 1.75em 0;
}

.post-body-content pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text);
  border-radius: 0;
}

/* Lists */
.post-body-content ul,
.post-body-content ol {
  padding-left: 1.5em;
  margin: 0.75em 0 1.5em;
}

.post-body-content li {
  margin-bottom: 0.45em;
  line-height: 1.72;
}

.post-body-content li::marker {
  color: var(--c-primary);
}

/* Images */
.post-body-content .post-image {
  width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid var(--c-border-subtle);
  display: block;
  margin: 2em 0 0.75em;
}

.post-body-content .post-image-caption {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--c-text-3);
  text-align: center;
  margin-bottom: 2em;
}

/* Horizontal rule */
.post-body-content hr {
  border: none;
  border-top: 1px solid var(--c-border-subtle);
  margin: 2.5em 0;
}

/* ============================================================
   POST FOOTER / TAGS
   ============================================================ */

.post-footer {
  background: var(--c-surface);
  padding-bottom: var(--sp-7);
  border-bottom: 1px solid var(--c-border-subtle);
}

.post-footer-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--c-border-subtle);
}

.post-footer-label {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  color: var(--c-text-3);
  margin-right: var(--sp-1);
}

/* ============================================================
   POST NAVIGATION (PREV / NEXT)
   ============================================================ */

.post-nav {
  background: var(--c-bg);
  padding: var(--sp-7) 0;
  border-bottom: 1px solid var(--c-border-subtle);
}

.post-nav-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

@media (max-width: 580px) {
  .post-nav-inner { grid-template-columns: 1fr; }
}

.post-nav-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--sp-4);
  background: var(--c-surface);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--r-lg);
  transition: box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}

.post-nav-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--c-border);
}

.post-nav-item.is-next { text-align: right; }

.post-nav-direction {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-text-3);
}

.post-nav-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  line-height: 1.3;
  letter-spacing: -0.01em;
  transition: color var(--t-fast) var(--ease);
}

.post-nav-item:hover .post-nav-title { color: var(--c-primary); }