/**
 * YTubeGuard Blog list page
 * Uses shared tokens from public-header :root (--primary, --text-primary, --background-dark, etc.)
 */

/* Hero: reduced height, compact */
.blog-hero {
  background: linear-gradient(135deg, var(--background-dark, #0f0f1b) 0%, #1a1a2e 50%, #24243e 100%);
  color: white;
  padding: 3rem 1.25rem 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, rgba(255, 193, 7, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.blog-hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
}

.blog-hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.25;
  color: white;
}

.blog-hero p {
  font-size: 1rem;
  opacity: 0.92;
  margin-bottom: 0;
  line-height: 1.5;
}

.blog-hero-link {
  color: rgba(255, 255, 255, 0.95);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.blog-hero-link:hover {
  color: #fff;
}

/* Container */
.blog-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

/* Control bar: search + category + sort (compact) */
.blog-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--background-alt, #f8fafc);
  border-radius: var(--radius-lg, 1rem);
  border: 1px solid var(--border, #e2e8f0);
}

.blog-controls .search-form {
  display: flex;
  flex: 1;
  min-width: 200px;
  max-width: 360px;
  gap: 0.5rem;
  align-items: center;
}

.blog-controls .search-input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  background: var(--background);
  color: var(--text-primary);
  transition: var(--transition-fast, border-color 0.15s ease);
}

.blog-controls .search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(196, 48, 43, 0.15);
}

.blog-controls .search-button {
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  transition: var(--transition-fast);
}

.blog-controls .search-button:hover {
  background: var(--primary-dark);
}

.blog-controls .blog-control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-controls label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

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

.blog-controls select {
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: var(--background);
  color: var(--text-primary);
  cursor: pointer;
  min-width: 140px;
}

.blog-controls select:focus {
  outline: none;
  border-color: var(--primary);
}

/* Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (min-width: 1200px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Card */
.blog-card {
  background: var(--card-bg, var(--background));
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--border-light, #f1f5f9);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Image: aspect-ratio to avoid CLS */
.blog-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  background: var(--background-alt);
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-image img {
  transform: scale(1.03);
}

.blog-content {
  padding: 1.25rem;
}

.blog-category {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--primary-gradient, linear-gradient(135deg, var(--primary), var(--primary-dark)));
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.blog-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-excerpt {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.55;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.blog-meta-left {
  display: flex;
  gap: 1rem;
}

.blog-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--primary);
  color: white;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.8125rem;
  transition: var(--transition-fast);
}

.blog-card .read-more:hover {
  background: var(--primary-dark);
}

/* Empty state */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1.5rem;
  background: var(--background-alt);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border);
}

.empty-state .empty-state-icon {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.empty-state h2 {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.empty-state .read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: var(--transition-fast);
}

.empty-state .read-more:hover {
  background: var(--primary-dark);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
  padding: 1rem 0;
}

.pagination-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: var(--transition-fast);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.pagination-link:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.pagination-link.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.pagination-ellipsis {
  padding: 0.5rem 0.25rem;
  color: var(--text-muted);
  font-weight: 600;
}

.pagination-info {
  text-align: center;
  color: var(--text-secondary);
  margin-top: 0.75rem;
  font-size: 0.875rem;
}

/* SEO content section (below grid) */
.blog-container .seo-content-section {
  background: var(--background-alt);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  margin-top: 2rem;
  border: 1px solid var(--border-light);
}

.blog-container .seo-content-section h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.blog-container .seo-content-section p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

/* Section heading above grid */
.blog-section-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

/* Legacy search section (optional; if kept for SEO copy) */
.search-section {
  margin-bottom: 1.5rem;
}

.search-section h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.search-section p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.seo-content-section .seo-section-title {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.seo-content-mobile {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.seo-content-mobile-summary {
  display: none;
}

@media (max-width: 768px) {
  .seo-content-mobile {
    display: none;
  }
  .seo-content-mobile-summary {
    display: block;
    background: var(--background-alt);
    border-left: 4px solid var(--primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
  }
}

/* Prevent background scroll when modal is open */
body.modal-open {
  overflow: hidden;
}

/* Read-more modal */
.blog-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.blog-modal[hidden] {
  display: none !important;
}

.blog-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 15, 27, 0.75);
  cursor: pointer;
}

.blog-modal-panel {
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--background, #fff);
  border-radius: var(--radius-lg, 1rem);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border, #e2e8f0);
}

.blog-modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: none;
  background: var(--background-alt, #f1f5f9);
  color: var(--text-primary, #0f172a);
  font-size: 1.5rem;
  line-height: 1;
  border-radius: var(--radius, 0.5rem);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.blog-modal-close:hover {
  background: var(--primary, #e52d27);
  color: white;
}

.blog-modal-header {
  padding: 1.5rem 1.5rem 0.75rem;
  border-bottom: 1px solid var(--border, #e2e8f0);
  flex-shrink: 0;
}

.blog-modal-badge {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  background: var(--primary, #e52d27);
  color: white;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.blog-modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary, #0f172a);
  margin: 0 2rem 0 0;
}

.blog-modal-meta {
  font-size: 0.8125rem;
  color: var(--text-muted, #64748b);
  margin: 0.5rem 0 0;
}

.blog-modal-body {
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.blog-modal-body .blog-modal-section {
  margin-bottom: 1.25rem;
}

.blog-modal-body .blog-modal-section:last-child {
  margin-bottom: 0;
}

.blog-modal-body .blog-modal-section-title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted, #64748b);
  margin: 0 0 0.5rem;
}

.blog-modal-body .blog-modal-section p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary, #334155);
  margin: 0 0 0.75rem;
}

.blog-modal-body .blog-modal-section ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary, #334155);
}

.blog-modal-body .blog-modal-section li {
  margin-bottom: 0.375rem;
}

/* "What to do now" callout – highlight importance */
.blog-modal-body .blog-modal-section-what-to-do {
  background: linear-gradient(135deg, rgba(229, 62, 62, 0.08) 0%, rgba(234, 88, 12, 0.06) 100%);
  border-left: 4px solid var(--primary, #e52d27);
  border-radius: 0 var(--radius, 0.5rem) var(--radius, 0.5rem) 0;
  padding: 1rem 1.25rem;
  margin-left: -0.25rem;
  margin-right: -0.25rem;
  padding-left: calc(1.25rem + 0.25rem);
  box-shadow: 0 2px 8px rgba(229, 45, 39, 0.08);
}

.blog-modal-body .blog-modal-section-what-to-do .blog-modal-section-title {
  color: var(--primary, #c4302b);
  font-size: 0.875rem;
}

.blog-modal-body .blog-modal-section-what-to-do ul {
  color: var(--text-primary, #0f172a);
}

.blog-modal-body .blog-modal-section-what-to-do li {
  margin-bottom: 0.5rem;
}

/* Mobile-only: prevent horizontal overflow on blog page */
@media (max-width: 767px) {
  .blog-hero {
    padding: 2rem 1rem 1.5rem;
  }

  .blog-container {
    padding: 1rem 0.75rem;
    overflow-x: hidden;
  }

  .blog-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.625rem 0.75rem;
    align-items: stretch;
    padding: 0.875rem 1rem;
    margin-bottom: 1.25rem;
    background: var(--background-alt, #f8fafc);
    border-radius: var(--radius, 0.5rem);
    border: 1px solid var(--border, #e2e8f0);
  }

  .blog-controls .search-form {
    grid-column: 1 / -1;
    max-width: none;
    min-width: 0;
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
  }

  .blog-controls .search-input {
    min-width: 0;
    flex: 1;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    border-radius: var(--radius, 0.5rem);
  }

  .blog-controls .search-button {
    flex-shrink: 0;
    padding: 0.625rem;
    min-width: 44px;
    min-height: 44px;
    border-radius: var(--radius, 0.5rem);
    font-size: 0;
  }

  .blog-controls .search-button .fa-search {
    margin: 0;
    font-size: 1rem;
  }

  .blog-controls .blog-control-group {
    min-width: 0;
  }

  .blog-controls select {
    min-width: 0;
    width: 100%;
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    font-size: 0.875rem;
    border-radius: var(--radius, 0.5rem);
  }

  .blog-grid {
    gap: 1.25rem;
  }

  .blog-card {
    min-width: 0;
  }

  .blog-content {
    padding: 1rem;
  }

  .blog-title,
  .blog-excerpt {
    word-wrap: break-word;
  }

  .pagination {
    padding: 0.75rem 0;
    gap: 0.375rem;
  }

  .pagination-link {
    padding: 0.5rem 0.625rem;
    font-size: 0.8125rem;
  }

  .pagination-info {
    font-size: 0.8125rem;
    padding: 0 0.25rem;
  }

  .blog-container .seo-content-section {
    padding: 1rem;
    margin-top: 1.5rem;
  }

  .blog-section-title {
    font-size: 1.125rem;
  }

  .blog-modal {
    align-items: flex-end;
    padding: 0;
  }

  .blog-modal-panel {
    max-height: 92vh;
    width: 100%;
    border-radius: 1rem 1rem 0 0;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
  }

  .blog-modal-header {
    flex-shrink: 0;
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--background, #fff);
  }

  .blog-modal-body {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 1rem 1.25rem;
  }

  .blog-modal-title {
    font-size: 1.125rem;
  }

  .blog-modal-body .blog-modal-section p,
  .blog-modal-body .blog-modal-section ul {
    font-size: 1rem;
    line-height: 1.6;
  }
}