/* ============================================================
   Advertisements Pages – Grid + Detail
   Mirrors news.css + news-detail.css with ads- prefix
   ============================================================ */

/* ---------- Remove default main padding so hero starts flush ---------- */
.inner-body .ads-main {
  padding-top: 0 !important;
}

/* ============================================================
   GRID PAGE
   ============================================================ */

/* ---------- Grid Section ---------- */
.ads-grid-section {
  padding: 3rem 0 5rem;
  background: var(--color-bg-section);
}

/* ---------- Section Heading ---------- */
.ads-section-heading {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 2.25rem;
}

.ads-section-heading-icon {
  width: 2.875rem;
  height: 2.875rem;
  background: var(--gradient-section-icon, linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%));
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.3);
}

.ads-section-heading-icon i {
  font-size: 1.125rem;
}

.ads-section-heading-text {
  display: flex;
  flex-direction: column;
  gap: 0.3125rem;
}

.ads-section-heading-label {
  font-size: 1.3125rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  line-height: 1.2;
}

.ads-section-heading-bar {
  width: 3rem;
  height: 0.1875rem;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-secondary-light));
  border-radius: 0.125rem;
}

/* ---------- Ads Cards ---------- */
.ads-card {
  background: #fff;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(var(--color-primary-rgb), 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.ads-card:hover {
  transform: translateY(-0.25rem);
  box-shadow: 0 8px 28px rgba(var(--color-primary-rgb), 0.15);
}

.ads-card-img-wrap {
  position: relative;
  width: 100%;
  height: 12.5rem;
  overflow: hidden;
  flex-shrink: 0;
}

.ads-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.35s ease;
  display: block;
}

.ads-card:hover .ads-card-img {
  transform: scale(1.05);
}

.ads-card-img-placeholder {
  width: 100%;
  height: 100%;
  background: var(--gradient-section-icon, linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%));
  display: flex;
  align-items: center;
  justify-content: center;
}

.ads-card-img-placeholder i {
  font-size: 2.5rem;
  color: rgba(255, 255, 255, 0.6);
}

.ads-card-category {
  position: absolute;
  top: 0.75rem;
  inset-inline-start: 0.75rem;
  background: var(--gradient-section-icon, linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%));
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: 1.25rem;
  white-space: nowrap;
  max-width: 8.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ads-card-body {
  padding: 1.125rem 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0.625rem;
}

.ads-card-date {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.7813rem;
  color: var(--color-primary);
  font-weight: 600;
}

.ads-card-date i {
  font-size: 0.6875rem;
}

.ads-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.55;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ads-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  font-size: 0.8438rem;
  font-weight: 600;
  text-decoration: none;
  margin-top: auto;
  transition: gap 0.2s ease, color 0.2s ease;
}

.ads-card-btn:hover {
  color: var(--color-primary);
  gap: 0.75rem;
  text-decoration: none;
}

.ads-card-btn i {
  font-size: 0.75rem;
  transition: transform 0.2s ease;
}

/* ---------- Skeleton Loading ---------- */
.ads-card-skeleton {
  background: #fff;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(var(--color-primary-rgb), 0.08);
}

/* ---------- Ads Cards (no image variant) ---------- */
.ads-card-no-img {
  border: 1.5px solid var(--color-border);
}

.ads-card-category-bar {
  padding: 0.875rem 1.25rem 0;
}

.ads-card-category-bar .ads-card-category {
  position: static;
  display: inline-block;
  max-width: 100%;
}

/* ---------- Skeleton Loading ---------- */
.ads-card-skeleton {
  border: 1.5px solid var(--color-border);
}

.skeleton-body {
  padding: 1.125rem 1.25rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.skeleton-line {
  height: 0.75rem;
  border-radius: 0.375rem;
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
}

.skeleton-line.w-30 { width: 30%; }
.skeleton-line.w-60 { width: 60%; }
.skeleton-line.w-80 { width: 80%; }
.skeleton-line.w-90 { width: 90%; }
.skeleton-line.h-16 { height: 1rem; }
.skeleton-line.h-14 { height: 0.875rem; }

@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- Load More ---------- */
.ads-load-more-wrap {
  padding-top: 3.125rem;
  display: flex;
  justify-content: center;
}

/* ---------- Empty State ---------- */
.ads-empty-state {
  text-align: center;
  padding: 5rem 1.25rem;
  color: var(--color-text-muted);
}

.ads-empty-state i {
  font-size: 3rem;
  color: var(--color-border);
  display: block;
  margin-bottom: 1rem;
}

.ads-empty-state p {
  font-size: 1rem;
  margin: 0;
}

/* ---------- Grid row gap ---------- */
.ads-grid-row {
  row-gap: 1.75rem;
}

/* ============================================================
   DETAIL PAGE
   ============================================================ */

/* ---------- Hero Cover ---------- */
.ads-hero {
  position: relative;
  width: 100%;
  height: 23.75rem;
  overflow: hidden;
}

.ads-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.ads-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(var(--color-primary-rgb), 0.15) 0%,
    rgba(var(--color-primary-rgb), 0.55) 60%,
    rgba(var(--color-primary-dark-rgb), 0.85) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 1.875rem;
  padding-right: 5%;
  padding-left: 5%;
  gap: 0.625rem;
}

.ads-hero-badge {
  width: 3.5rem;
  height: 3.5rem;
  background: rgba(255, 255, 255, 0.18);
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(0.375rem);
  flex-shrink: 0;
}

.ads-hero-title {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
  line-height: 1.4;
}

/* ---------- Detail Layout ---------- */
.ads-detail-section {
  padding: 3.125rem 0 5rem;
  background: var(--color-bg-section);
}

/* ---------- Article Card ---------- */
.ads-article-card {
  background: #fff;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(var(--color-primary-rgb), 0.09);
}

.ads-article-header {
  padding: 1.75rem 2rem 0;
}

.ads-article-date-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4375rem;
  background: var(--gradient-section-icon, linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%));
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.375rem 0.875rem;
  border-radius: 1.25rem;
  margin-bottom: 1.125rem;
}

.ads-article-date-chip i {
  font-size: 0.75rem;
}

.ads-article-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.6;
  margin: 0 0 1.25rem;
}

.ads-article-img-wrap {
  width: 100%;
  max-height: 26.25rem;
  overflow: hidden;
}

.ads-article-img {
  width: 100%;
  max-height: 26.25rem;
  object-fit: cover;
  object-position: center;
  display: block;
}

.ads-article-body {
  padding: 1.75rem 2rem 2rem;
}

.ads-article-content {
  font-size: 0.9688rem;
  line-height: 1.85;
  color: var(--color-text-primary);
}

.ads-article-content p {
  margin-bottom: 1.1em;
}

.ads-article-content img {
  max-width: 100%;
  border-radius: 0.5rem;
}

/* ---------- Related Entities ---------- */
.ads-related-section {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-bg-light);
}

.ads-related-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8438rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.625rem;
}

.ads-related-label i {
  color: var(--color-primary);
  font-size: 0.875rem;
}

.ads-entity-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ads-entity-badge {
  display: inline-block;
  background: rgba(var(--color-primary-rgb), 0.1);
  color: var(--color-primary);
  border: 1px solid rgba(var(--color-primary-rgb), 0.3);
  font-size: 0.7813rem;
  font-weight: 600;
  padding: 0.3125rem 0.75rem;
  border-radius: 1.25rem;
  white-space: nowrap;
}

/* ---------- Sidebar ---------- */
.ads-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: sticky;
  top: 6.25rem;
}

.ads-sidebar-card {
  background: #fff;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(var(--color-primary-rgb), 0.09);
}

.ads-sidebar-heading {
  padding: 1rem 1.25rem;
  background: var(--gradient-section-icon, linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%));
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.ads-sidebar-heading-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ads-sidebar-heading-icon i {
  font-size: 0.875rem;
}

.ads-sidebar-heading-label {
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
}

.ads-sidebar-list {
  padding: 0.5rem 0;
}

.ads-sidebar-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--color-bg-section);
  transition: background 0.18s ease;
}

.ads-sidebar-item:last-child {
  border-bottom: none;
}

.ads-sidebar-item:hover {
  background: var(--color-bg-section);
  text-decoration: none;
  color: inherit;
}

.ads-sidebar-thumb {
  width: 4.375rem;
  height: 3.75rem;
  border-radius: 0.5rem;
  overflow: hidden;
  flex-shrink: 0;
}

.ads-sidebar-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ads-sidebar-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: var(--gradient-section-icon, linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%));
  display: flex;
  align-items: center;
  justify-content: center;
}

.ads-sidebar-thumb-placeholder i {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
}

.ads-sidebar-info {
  display: flex;
  flex-direction: column;
  gap: 0.3125rem;
  min-width: 0;
}

.ads-sidebar-title {
  font-size: 0.8438rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.18s ease;
}

.ads-sidebar-item:hover .ads-sidebar-title {
  color: var(--color-primary);
}

.ads-sidebar-date {
  font-size: 0.7188rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.ads-sidebar-empty {
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

/* ---------- Back Button ---------- */
.ads-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  margin-bottom: 1.5rem;
  padding: 0.5rem 0;
  transition: gap 0.2s ease, color 0.2s ease;
}

.ads-back-btn:hover {
  color: var(--color-primary);
  gap: 0.75rem;
  text-decoration: none;
}

.ads-back-btn i {
  font-size: 0.8125rem;
}

/* ---------- Error / Loading States ---------- */
.ads-detail-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6.25rem 1.25rem;
}

.ads-detail-error {
  background: #fff;
  border-radius: 0.75rem;
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: 0 2px 16px rgba(var(--color-primary-rgb), 0.09);
}

.ads-detail-error i {
  font-size: 3rem;
  color: var(--color-border);
  display: block;
  margin-bottom: 1rem;
}

.ads-detail-error p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
}

/* ---------- Content Container (matches header 5% padding) ---------- */
.college-content-container {
  width: 100%;
  padding-right: 5%;
  padding-left: 5%;
}

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .ads-sidebar {
    position: static;
    margin-top: 2.5rem;
  }
}

@media (max-width: 767px) {
  .ads-grid-section {
    padding: 2.5rem 0 3.75rem;
  }

  .ads-detail-section {
    padding: 1.875rem 0 3.75rem;
  }

  .ads-article-header {
    padding: 1.25rem 1.25rem 0;
  }

  .ads-article-body {
    padding: 1.25rem 1.25rem 1.5rem;
  }

  .ads-article-title {
    font-size: 1.125rem;
  }

  .ads-article-content {
    font-size: 0.9063rem;
  }

  .ads-hero {
    height: 16.25rem;
  }
}