/* ================================================================
   blog.css — Article page styles for zlatanyu.com
   Extends main.css. Link after main.css on all blog article pages.
   ================================================================ */

/* ── Article page layout ─────────────────────────────────────── */
.article-page {
  padding-block: 48px 80px;
  max-width: 800px;
}

/* ── Article meta / headline ─────────────────────────────────── */
.article__meta {
  color: var(--md-sys-color-secondary);
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.article__title {
  margin: 0 0 24px;
  max-width: 22ch;
  color: var(--md-sys-color-on-surface);
}

/* ── Byline bar ──────────────────────────────────────────────── */
.article__byline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface-variant);
  font: 400 13px/1 var(--font);
}

.article__byline a {
  color: var(--md-sys-color-on-surface);
  font-weight: 500;
}

.article__byline a:hover { text-decoration: underline; text-underline-offset: 3px; }

.article__byline-sep {
  color: var(--md-sys-color-outline-variant);
}

.article__read-time {
  color: var(--md-sys-color-on-surface-variant);
}

/* ── AI badge ────────────────────────────────────────────────── */
.article__ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-full);
  font: 500 11px/1 var(--font);
  letter-spacing: .3px;
  color: var(--md-sys-color-on-surface-variant);
  text-transform: uppercase;
}

.article__ai-badge .material-symbols-outlined {
  font-size: 14px;
}

/* ── Hero image ──────────────────────────────────────────────── */
.article__hero-figure {
  margin: 0 0 40px;
}

.article__hero-figure img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  border-radius: var(--md-sys-shape-corner-medium);
  display: block;
}

/* ── Inline figures (inside body) ────────────────────────────── */
.article__figure--inline {
  margin: 8px 0 32px;
}

.article__figure--inline img {
  width: 100%;
  border-radius: var(--md-sys-shape-corner-medium);
  display: block;
}

/* ── Figure captions ─────────────────────────────────────────── */
.article__figcaption {
  margin-top: 8px;
  font: 400 12px/1.5 var(--font);
  color: var(--md-sys-color-on-surface-variant);
  letter-spacing: .25px;
}

.article__img-source {
  color: var(--md-sys-color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article__img-source:hover { opacity: .75; }

/* ── Article body ────────────────────────────────────────────── */
.article__body {
  max-width: 66ch;
  margin-bottom: 48px;
}

.article__body p {
  font: 400 16px/1.8 var(--font);
  letter-spacing: .3px;
  color: var(--md-sys-color-on-surface);
  margin: 0 0 24px;
}

.article__body h2 {
  font: 700 22px/1.3 var(--font);
  letter-spacing: 0;
  color: var(--md-sys-color-on-surface);
  margin: 48px 0 16px;
}

.article__body h3 {
  font: 700 18px/1.3 var(--font);
  letter-spacing: 0;
  color: var(--md-sys-color-on-surface);
  margin: 36px 0 12px;
}

/* ── Links inside article body ───────────────────────────────── */
.article__body a,
.article__link--internal,
.article__link--external {
  color: var(--md-sys-color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: opacity 150ms;
}

.article__body a:hover,
.article__link--internal:hover,
.article__link--external:hover {
  opacity: .7;
}

.article__link--external .material-symbols-outlined {
  font-size: 13px;
  vertical-align: middle;
  margin-left: 2px;
}

/* ── Blockquote ──────────────────────────────────────────────── */
.article__blockquote {
  margin: 32px 0;
  padding: 20px 28px;
  border-left: 3px solid var(--md-sys-color-primary);
  background: var(--md-sys-color-surface-container-low);
  border-radius: 0 var(--md-sys-shape-corner-small) var(--md-sys-shape-corner-small) 0;
}

.article__blockquote p {
  font: 400 17px/1.75 var(--font);
  color: var(--md-sys-color-on-surface);
  margin: 0;
  font-style: italic;
}

.article__quote-attr {
  font: 500 12px/1 var(--font);
  letter-spacing: .3px;
  color: var(--md-sys-color-on-surface-variant);
  margin-top: 12px;
}

/* ── Article divider ─────────────────────────────────────────── */
.article__divider {
  border: none;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  margin: 40px 0;
}

/* ── Read More / Related callout box ────────────────────────── */
.article__read-more {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--md-sys-color-surface-container);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 20px 24px;
  margin: 32px 0;
}

.article__read-more__icon {
  font-size: 22px;
  color: var(--md-sys-color-on-surface-variant);
  flex-shrink: 0;
  margin-top: 2px;
}

.article__read-more__label {
  font: 500 11px/1 var(--font);
  letter-spacing: .6px;
  text-transform: uppercase;
  color: var(--md-sys-color-on-surface-variant);
  margin: 0 0 8px;
}

.article__read-more__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 500 15px/1.3 var(--font);
  color: var(--md-sys-color-primary);
  text-decoration: none;
  transition: gap 150ms;
}

.article__read-more__link:hover { gap: 10px; text-decoration: underline; text-underline-offset: 3px; }

.article__read-more__link .material-symbols-outlined {
  font-size: 18px;
}

/* ── FAQ section ─────────────────────────────────────────────── */
.article__faq {
  margin: 48px 0;
  max-width: 66ch;
}

.article__faq__title {
  margin: 0 0 20px;
  color: var(--md-sys-color-on-surface);
}

.article__faq__item {
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-small);
  margin-bottom: 8px;
  overflow: hidden;
}

.article__faq__question {
  padding: 16px 20px;
  font: 500 15px/1.4 var(--font);
  color: var(--md-sys-color-on-surface);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.article__faq__question::-webkit-details-marker { display: none; }

.article__faq__question::after {
  content: 'expand_more';
  font-family: 'Material Symbols Outlined';
  font-size: 20px;
  color: var(--md-sys-color-on-surface-variant);
  transition: transform 200ms;
  flex-shrink: 0;
}

.article__faq__item[open] .article__faq__question::after {
  transform: rotate(180deg);
}

.article__faq__answer {
  padding: 0 20px 16px;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  background: var(--md-sys-color-surface-container-lowest);
}

.article__faq__answer p {
  font: 400 14px/1.7 var(--font);
  color: var(--md-sys-color-on-surface);
  margin: 12px 0 0;
}

/* ── Related articles section ────────────────────────────────── */
.article__related {
  margin: 48px 0 32px;
  max-width: 66ch;
  padding-top: 32px;
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

.article__related__title {
  color: var(--md-sys-color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin: 0 0 16px;
}

.article__related__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.article__related__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface);
  text-decoration: none;
  font: 500 15px/1.3 var(--font);
  transition: color 150ms;
}

.article__related__link:hover { color: var(--md-sys-color-primary); }

.article__related__link .material-symbols-outlined {
  margin-left: auto;
  font-size: 20px;
  color: var(--md-sys-color-on-surface-variant);
  transition: transform 150ms;
}

.article__related__link:hover .material-symbols-outlined {
  transform: translateX(4px);
  color: var(--md-sys-color-primary);
}

.article__related__cat {
  font: 500 10px/1 var(--font);
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--md-sys-color-on-surface-variant);
  padding: 3px 8px;
  background: var(--md-sys-color-surface-container-high);
  border-radius: var(--md-sys-shape-corner-full);
  flex-shrink: 0;
}

/* ── Tags ────────────────────────────────────────────────────── */
.article__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--md-sys-color-outline-variant);
}

.article__tag {
  padding: 5px 14px;
  font: 500 11px/1 var(--font);
  letter-spacing: .4px;
  text-transform: uppercase;
  background: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface-variant);
  border-radius: var(--md-sys-shape-corner-full);
  transition: background 150ms;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 840px) {
  .article-page {
    padding-block: 28px 56px;
  }

  .article__title {
    max-width: none;
  }

  .article__hero-figure img {
    max-height: 260px;
    border-radius: var(--md-sys-shape-corner-small);
  }

  .article__blockquote {
    padding: 16px 20px;
  }

  .article__read-more {
    flex-direction: column;
    gap: 10px;
    padding: 16px 18px;
  }
}