/* ===================================================================
   TOPPERSCLOUD — Content Pages Stylesheet
   Blog · Vlog · Resources (ebooks, question-papers, webinars, downloads)
   =================================================================== */

/* ── Compact page header (overrides global .page-banner on content pages) ── */
.page-banner {
  padding: 5rem 0 1.5rem;       /* tight: ~80px top clears fixed navbar, 24px bottom */
  background: #f8fafc;
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
}
.page-banner h1 {
  font-size: clamp(1.25rem, 3vw, 1.875rem);
  font-weight: 800;
  margin-bottom: .35rem;
  line-height: 1.25;
}
.page-banner .breadcrumb {
  font-size: .8125rem;
  color: #6b7280;
  margin: 0;
  padding: 0;
  background: none;
  border-radius: 0;
  text-align: left;
  line-height: 1.6;
}
.page-banner .breadcrumb a         { color: var(--primary, #4361ee); text-decoration: none; }
.page-banner .breadcrumb a:hover   { text-decoration: underline; }

/* ── Section spacing (tighter on content pages) ─────────── */
.section { padding: 3rem 0; }
@media (max-width: 768px) { .section { padding: 2.25rem 0; } }

/* ── Sticky sidebar ──────────────────────────────────────── */
.article-sidebar,
.resource-detail-sidebar {
  position: sticky;
  top: 88px;                     /* clears fixed navbar */
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  scrollbar-width: none;
}
.article-sidebar::-webkit-scrollbar,
.resource-detail-sidebar::-webkit-scrollbar { display: none; }

/* ── Sidebar cards ───────────────────────────────────────── */
.sidebar-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.sidebar-card h4 {
  font-size: .9375rem;
  font-weight: 700;
  margin-bottom: .875rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid #eff3ff;
}
.sidebar-card ul.list-unstyled { margin: 0; padding: 0; }
.sidebar-card ul.list-unstyled li { padding: .375rem 0; border-bottom: 1px solid #f3f4f6; }
.sidebar-card ul.list-unstyled li:last-child { border-bottom: none; }
.sidebar-card ul.list-unstyled a {
  display: flex; align-items: center; gap: .5rem;
  font-size: .875rem; color: #374151; text-decoration: none;
  transition: color .15s;
}
.sidebar-card ul.list-unstyled a:hover { color: var(--primary, #4361ee); }
.sidebar-card ul.list-unstyled .material-symbols-outlined { font-size: 1.1rem; color: var(--primary, #4361ee); flex-shrink: 0; }

/* ── Pagination ──────────────────────────────────────────── */
.tc-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  flex-wrap: wrap;
  padding: 2rem 0 1rem;
}
.tc-pagination a,
.tc-pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: .5rem;
  font-size: .875rem;
  font-weight: 600;
  color: var(--neutral-700);
  background: var(--white);
  border: 1px solid var(--neutral-200);
  text-decoration: none;
  transition: var(--transition);
}
.tc-pagination a:hover       { background: var(--primary); color: #fff; border-color: var(--primary); }
.tc-pagination span.active   { background: var(--primary); color: #fff; border-color: var(--primary); }
.tc-pagination span.ellipsis { background: transparent; border-color: transparent; color: var(--gray-light); }

/* ── Filter bar ──────────────────────────────────────────── */
.tc-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  background: var(--white);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
}
.tc-filter-bar select,
.tc-filter-bar input[type="search"] {
  border: 1px solid var(--neutral-200);
  border-radius: .5rem;
  padding: .45rem .85rem;
  font-size: .875rem;
  color: var(--neutral-700);
  background: var(--light);
  outline: none;
  transition: border-color .2s;
}
.tc-filter-bar select:focus,
.tc-filter-bar input[type="search"]:focus { border-color: var(--primary); }
.tc-filter-bar input[type="search"] { min-width: 200px; }
.tc-filter-btn {
  padding: .45rem 1.1rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: .5rem;
  font-size: .875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}
.tc-filter-btn:hover { background: var(--primary-dark); }

/* ── Category / tag chips ────────────────────────────────── */
.tc-chip-row { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 2rem; }
.tc-chip {
  padding: .3rem .85rem;
  border-radius: 999px;
  background: var(--light);
  border: 1px solid var(--neutral-200);
  font-size: .8rem;
  font-weight: 600;
  color: var(--neutral-600);
  text-decoration: none;
  transition: var(--transition);
}
.tc-chip:hover,
.tc-chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Resource cards (ebooks, QPs, downloads) ─────────────── */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-lg);
}
.resource-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,.05);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.resource-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.resource-card__thumb {
  position: relative;
  background: linear-gradient(135deg, var(--blue-100), var(--orange-100));
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.resource-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.resource-card__thumb .rc-icon {
  font-size: 3.5rem;
  opacity: .35;
}
.resource-card__badge {
  position: absolute;
  top: .75rem;
  right: .75rem;
  padding: .2rem .65rem;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.badge-free  { background: #dcfce7; color: #166534; }
.badge-paid  { background: #fef3c7; color: #92400e; }
.badge-live  { background: #fee2e2; color: #991b1b; animation: pulse 2s infinite; }
.badge-upcoming { background: #ede9fe; color: #5b21b6; }
.badge-recorded { background: #dbeafe; color: #1e40af; }

@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.6} }

.resource-card__body { padding: 1.1rem; flex: 1; display: flex; flex-direction: column; }
.resource-card__meta {
  font-size: .75rem;
  color: var(--gray-light);
  margin-bottom: .4rem;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  align-items: center;
}
.resource-card__meta span { display: flex; align-items: center; gap: .15rem; }
.resource-card__title {
  font-family: var(--font-heading);
  font-size: .97rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: .35rem;
  flex: 1;
}
.resource-card__desc {
  font-size: .82rem;
  color: var(--gray);
  margin-bottom: .8rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.resource-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.rc-btn {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .4rem .9rem;
  border-radius: .5rem;
  font-size: .8rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
}
.rc-btn-primary { background: var(--primary); color: #fff; }
.rc-btn-primary:hover { background: var(--primary-dark); color: #fff; }
.rc-btn-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.rc-btn-outline:hover { background: var(--primary); color: #fff; }

/* ── Vlog cards ───────────────────────────────────────────── */
.vlog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--space-lg); }
.vlog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(0,0,0,.05);
  transition: var(--transition);
}
.vlog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.vlog-thumb {
  position: relative;
  height: 200px;
  background: #0f172a;
  overflow: hidden;
}
.vlog-thumb img { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.vlog-thumb-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0f172a, #1e3a5f);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: .5rem;
}
.vlog-thumb-placeholder .material-symbols-outlined { font-size: 3.5rem; color: rgba(255,255,255,.35); }
.vplay-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.vplay-btn .material-symbols-outlined { font-size: 1.8rem; color: var(--primary); }
.vlog-card:hover .vplay-btn { background: var(--primary); }
.vlog-card:hover .vplay-btn .material-symbols-outlined { color: #fff; }
.vlog-duration {
  position: absolute;
  bottom: .5rem;
  right: .5rem;
  padding: .15rem .5rem;
  background: rgba(0,0,0,.75);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  border-radius: .25rem;
}
.vlog-body { padding: 1.1rem; }
.vlog-meta { font-size: .75rem; color: var(--gray-light); margin-bottom: .4rem; }
.vlog-title { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: .3rem; }
.vlog-teacher { font-size: .82rem; color: var(--gray); display: flex; align-items: center; gap: .25rem; margin-bottom: .6rem; }
.vlog-tags { display: flex; flex-wrap: wrap; gap: .3rem; }
.vlog-tag { padding: .15rem .5rem; background: var(--blue-100); color: var(--blue-700); border-radius: 999px; font-size: .72rem; font-weight: 600; }

/* ── Article / detail page ───────────────────────────────── */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 992px) { .article-layout { grid-template-columns: 1fr; } }

.article-body { min-width: 0; }
.article-cover {
  width: 100%;
  border-radius: var(--radius-lg);
  height: 420px;
  object-fit: cover;
  margin-bottom: 2rem;
}
.article-cover-placeholder {
  width: 100%;
  height: 420px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue-100) 0%, var(--orange-100) 100%);
  margin-bottom: 2rem;
}
.article-cover-placeholder .material-symbols-outlined { font-size: 5rem; color: var(--primary); opacity: .4; }
.article-header { margin-bottom: 1.5rem; }
.article-category {
  display: inline-block;
  padding: .25rem .8rem;
  background: var(--blue-100);
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  text-decoration: none;
  margin-bottom: .75rem;
}
.article-title { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--dark); line-height: 1.3; margin-bottom: .75rem; }
@media (max-width: 640px) { .article-title { font-size: 1.5rem; } }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; font-size: .85rem; color: var(--gray); margin-bottom: 1.25rem; }
.article-meta span { display: flex; align-items: center; gap: .3rem; }
.article-content {
  line-height: 1.85;
  font-size: 1.02rem;
  color: var(--neutral-700);
}
.article-content h2 { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800; margin: 1.75rem 0 .75rem; color: var(--dark); }
.article-content h3 { font-size: 1.15rem; font-weight: 700; margin: 1.5rem 0 .6rem; color: var(--dark); }
.article-content p  { margin-bottom: 1.1rem; }
.article-content ul,
.article-content ol { margin-bottom: 1.1rem; padding-left: 1.5rem; }
.article-content li { margin-bottom: .4rem; }
.article-content img { max-width: 100%; border-radius: var(--radius); margin: 1rem 0; }
.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding: .75rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--light);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--neutral-600);
}
.article-content pre, .article-content code {
  background: var(--neutral-900);
  color: #e2e8f0;
  border-radius: var(--radius);
  font-family: 'Courier New', monospace;
  font-size: .9em;
}
.article-content pre  { padding: 1rem 1.25rem; overflow-x: auto; margin-bottom: 1.1rem; }
.article-content code { padding: .1em .35em; }

/* ── Article sidebar ─────────────────────────────────────── */
.article-sidebar { position: sticky; top: 90px; }
.sidebar-card {
  background: var(--white);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.sidebar-card h5 {
  font-family: var(--font-heading);
  font-size: .9rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--primary);
  margin-bottom: 1rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--blue-100);
}
.sidebar-post { display: flex; gap: .75rem; margin-bottom: .85rem; align-items: flex-start; }
.sidebar-post:last-child { margin-bottom: 0; }
.sidebar-post-img {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: .4rem;
  flex-shrink: 0;
  background: var(--light);
}
.sidebar-post-title { font-size: .82rem; font-weight: 700; color: var(--dark); text-decoration: none; line-height: 1.4; display: block; }
.sidebar-post-title:hover { color: var(--primary); }
.sidebar-post-date { font-size: .72rem; color: var(--gray-light); margin-top: .2rem; }

/* ── CTA box ─────────────────────────────────────────────── */
.tc-cta-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  color: #fff;
}
.tc-cta-box h5,
.tc-cta-box h4,
.tc-cta-box h3 { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 800; margin-bottom: .5rem; }
.tc-cta-box p { font-size: .85rem; opacity: .9; margin-bottom: 1rem; }
.tc-cta-box a {
  display: inline-block;
  padding: .55rem 1.4rem;
  background: #fff;
  color: var(--primary);
  border-radius: .5rem;
  font-weight: 700;
  font-size: .875rem;
  text-decoration: none;
  transition: var(--transition);
}
.tc-cta-box a:hover { background: var(--secondary); color: #fff; }

/* ── Resource hub cards ──────────────────────────────────── */
.resource-hub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.25rem; margin-bottom: 2rem; }
.rh-card {
  background: var(--white);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  text-decoration: none;
  color: var(--dark);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
}
.rh-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); color: var(--dark); }
.rh-card-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}
.rh-card-count { font-size: 1.5rem; font-weight: 800; color: var(--primary); line-height: 1; }
.rh-card-label { font-size: .875rem; font-weight: 600; color: var(--neutral-600); }
.rh-card-link { font-size: .78rem; font-weight: 700; color: var(--primary); margin-top: .25rem; }

/* ── Resource detail page ────────────────────────────────── */
/* Main content (wide) first, sidebar (narrow) second */
.resource-detail-grid { display: grid; grid-template-columns: 1fr 300px; gap: 2.5rem; align-items: start; }
@media (max-width: 900px) { .resource-detail-grid { grid-template-columns: 1fr; } }
.resource-cover-wrap {
  position: sticky;
  top: 90px;
}
.resource-cover-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.resource-cover-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--blue-100), var(--blue-300));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.resource-cover-placeholder .material-symbols-outlined { font-size: 5rem; color: var(--primary); opacity: .5; }
.resource-info-table { width: 100%; border-collapse: collapse; font-size: .875rem; margin: 1.25rem 0; }
.resource-info-table tr { border-bottom: 1px solid var(--neutral-200); }
.resource-info-table tr:last-child { border-bottom: none; }
.resource-info-table th { padding: .6rem .75rem; font-weight: 700; color: var(--neutral-600); width: 40%; background: var(--light); }
.resource-info-table td { padding: .6rem .75rem; color: var(--neutral-700); }

/* ── Empty state ─────────────────────────────────────────── */
.tc-empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--gray);
}
.tc-empty-state .material-symbols-outlined { font-size: 4rem; opacity: .3; display: block; margin-bottom: 1rem; }
.tc-empty-state p { font-size: 1rem; font-weight: 500; }

/* ── Webinar card status colors ──────────────────────────── */
.webinar-status-upcoming { color: #7c3aed; font-weight: 700; }
.webinar-status-live     { color: #dc2626; font-weight: 700; }
.webinar-status-recorded { color: #2563eb; font-weight: 700; }

/* ── Downloads grid ──────────────────────────────────────── */
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.download-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 12px;
  padding: 1.25rem;
  transition: box-shadow .2s, transform .2s;
}
.download-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,.08); transform: translateY(-2px); }
.download-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 10px;
  background: var(--primary-light, #eff3ff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary, #4361ee);
  position: relative;
}
.download-icon .material-symbols-outlined { font-size: 1.75rem; }
.file-type-badge {
  position: absolute;
  bottom: -6px; right: -6px;
  background: var(--primary, #4361ee);
  color: #fff;
  font-size: .55rem;
  font-weight: 800;
  padding: 1px 4px;
  border-radius: 4px;
  letter-spacing: .04em;
}
.download-info { flex: 1; min-width: 0; }
.download-title { font-size: .9375rem; font-weight: 600; margin-bottom: .25rem; color: var(--heading-color, #1a1a2e); }
.download-category {
  display: inline-block;
  font-size: .75rem;
  color: var(--primary, #4361ee);
  background: var(--primary-light, #eff3ff);
  padding: 1px 8px;
  border-radius: 4px;
  margin-bottom: .375rem;
}
.download-desc { font-size: .8125rem; color: var(--gray, #6b7280); margin: 0; }
.download-action { flex-shrink: 0; align-self: center; }

/* ── Resource detail extras ──────────────────────────────── */
.resource-section-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--heading-color, #1a1a2e);
  margin-bottom: .75rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--primary-light, #eff3ff);
}
.resource-description { color: var(--text-color, #374151); line-height: 1.7; }
.resource-detail-title { font-size: 1.75rem; font-weight: 800; line-height: 1.3; margin-bottom: 1.25rem; }
.resource-detail-header { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.article-share { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.share-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  text-decoration: none; transition: opacity .2s;
}
.share-btn:hover { opacity: .8; }
.share-btn.wa { background: #25d366; color: #fff; }
.share-btn.tw { background: #1da1f2; color: #fff; }
.share-btn .material-symbols-outlined { font-size: 1.1rem; }