/* ============================================================================
   § 26. ANIMATIONS & KEYFRAMES
   ============================================================================ */

/* ── Fade In ── */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

/* ── Slide Down ── */
@keyframes slideDown {
  from {
    transform: translateY(-10px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ── Global interactive transitions ── */
a,
button,
input,
.post-card__title,
.tag-pill,
.tag-card,
.link-card,
.btn,
.nav-item,
.search-btn,
.search-close {
  transition: color var(--transition-fast),
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}



/* ============================================================================
   § 29. PRINT STYLES
   ============================================================================ */

@media print {

  /* ── Hide non-content elements ── */
  .site-header,
  .site-footer,
  .sidebar,
  .search-overlay,
  .search-modal,
  .nav-toggle,
  .search-btn,
  .section-bar,
  .pagination,
  .article-tags,
  .btn {
    display: none !important;
  }

  /* ── Reset background and colors ── */
  body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 12pt;
    line-height: 1.6;
  }

  /* ── Remove top margin from header spacer ── */
  .main-content-wrapper {
    margin-top: 0 !important;
  }

  .header-spacer {
    display: none !important;
  }

  /* ── Article content ── */
  .article-container {
    max-width: 100%;
    padding: 0;
    margin: 0;
  }

  .article-content {
    color: #000000 !important;
    font-size: 12pt;
  }

  .article-content h2,
  .article-content h3,
  .article-content h4 {
    color: #000000 !important;
  }

  .article-title {
    color: #000000 !important;
    font-size: 24pt;
  }

  .article-byline__author,
  .article-byline__date {
    color: #333333 !important;
  }

  .article-content a {
    color: #000000 !important;
    text-decoration: underline;
  }

  .article-content a::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666666;
  }

  .article-content blockquote {
    border-left-color: #cccccc !important;
    color: #333333 !important;
  }

  .article-content pre {
    background: #f5f5f5 !important;
    border: 1px solid #cccccc;
  }

  .article-content code {
    background: #f0f0f0 !important;
    color: #333333 !important;
  }

  .article-content th {
    background: #f0f0f0 !important;
    color: #000000 !important;
  }

  .article-content td {
    color: #000000 !important;
  }

  .article-content th,
  .article-content td {
    border-color: #cccccc !important;
  }

  .article-content img {
    max-width: 100% !important;
    page-break-inside: avoid;
  }

  /* ── Page breaks ── */
  h2,
  h3,
  h4 {
    page-break-after: avoid;
  }

  p,
  li,
  blockquote {
    orphans: 3;
    widows: 3;
  }

  pre {
    page-break-inside: avoid;
    white-space: pre-wrap;
    word-wrap: break-word;
  }

  /* ── Page container ── */
  .page-container {
    max-width: 100%;
    padding: 0;
    color: #000000 !important;
  }

  .page-title {
    color: #000000 !important;
  }

  .page-description {
    color: #333333 !important;
  }

  /* ── Archive ── */
  .archive-year {
    color: #000000 !important;
  }

  .archive-item__title {
    color: #000000 !important;
  }

  .archive-item__date {
    color: #333333 !important;
  }
}


/* ============================================================================
   § 30. SELECTION HIGHLIGHT
   ============================================================================ */

::selection {
  background-color: #ffff00;
  color: #000000;
}

::-moz-selection {
  background-color: #ffff00;
  color: #000000;
}


/* ============================================================================
   § 31. FOCUS STYLES (Accessibility)
   ============================================================================ */

*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Remove focus ring for mouse users */
*:focus:not(:focus-visible) {
  outline: none;
}


/* ============================================================================
   § 32. IMAGE LOADING & PLACEHOLDERS
   ============================================================================ */

img {
  background-color: var(--color-surface);
}

img[loading="lazy"] {
  opacity: 1;
  transition: opacity var(--transition-normal), transform 0.4s ease;
}



/* ============================================================================
   § 39. LOADING STATES
   ============================================================================ */

.skeleton {
  background: linear-gradient(90deg,
      var(--color-surface) 25%,
      var(--color-border) 50%,
      var(--color-surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

.skeleton--text {
  height: 14px;
  margin-bottom: 8px;
}

.skeleton--title {
  height: 20px;
  width: 60%;
  margin-bottom: 12px;
}

.skeleton--thumb {
  width: 72px;
  height: 72px;
  border-radius: 4px;
}


/* ============================================================================
   § 40. VISUALLY HIDDEN (Screen reader only)
   ============================================================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}