/* CSN Podcast Archive - Smart Search + Sidebar Filters + Card Grid
 * ================================================== */

.csn-archive {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

/* Header */
.csn-archive__header {
  text-align: center;
  margin-bottom: 28px;
}

.csn-archive__title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #1e293b;
  margin: 0;
}

/* Top bar: search + filter toggle */
.csn-archive__topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  margin-bottom: 20px;
}

.csn-archive__search-wrap {
  position: relative;
  flex: 1;
}

.csn-archive__search {
  width: 100%;
  padding: 12px 48px 12px 18px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  background: #ffffff;
  font-size: 14px;
  color: #1e293b;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  height: 50px;
  box-sizing: border-box;
}

.csn-archive__search::placeholder { color: #94a3b8; }

.csn-archive__search:focus {
  border-color: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
  box-shadow: 0 0 0 3px rgba(115, 35, 220, 0.06);
}

.csn-archive__search-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #64748b;
  pointer-events: none;
  display: flex;
  align-items: center;
}

/* Filter toggle button */
.csn-archive__filter-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 18px;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  background: #ffffff;
  color: #475569;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  height: 50px;
  box-sizing: border-box;
}

.csn-archive__filter-toggle:hover {
  background: #f1f5f9;
  border-color: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
  color: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
}

.csn-archive__filter-toggle.active {
  background: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
  border-color: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
  color: #ffffff;
}

.csn-archive__filter-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
}

/* Active Filters chips */
.csn-archive__active-filters {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  min-height: 0;
}

.csn-active-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
  color: #ffffff;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
}

.csn-active-chip-remove {
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}
.csn-active-chip-remove:hover { color: #ffffff; }

.csn-active-clear {
  background: none;
  border: none;
  color: #64748b;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.csn-active-clear:hover { color: #1e293b; text-decoration: underline; }

/* Layout: sidebar + grid */
.csn-archive__layout {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

/* Sidebar (filter panel) */
.csn-archive__sidebar {
  width: 260px;
  flex-shrink: 0;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px;
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  display: none;
  align-self: flex-start;
}

.csn-archive__sidebar.open {
  display: block;
}

.csn-facet-section {
  margin-bottom: 20px;
}

.csn-facet-section:last-child { margin-bottom: 0; }

.csn-facet-title {
  font-size: 11px;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.csn-facet-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.csn-facet-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 12px;
  color: #475569;
  cursor: pointer;
  transition: background 0.12s;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.csn-facet-item:hover {
  background: #f1f5f9;
  color: #1e293b;
}

.csn-facet-item--active {
  background: rgba(115, 35, 220, 0.08);
  color: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
  font-weight: 600;
}

.csn-facet-item-count {
  font-size: 10px;
  color: #94a3b8;
  background: #f1f5f9;
  padding: 1px 6px;
  border-radius: 8px;
}

.csn-facet-item--active .csn-facet-item-count {
  background: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
  color: #ffffff;
}

/* Content area */
.csn-archive__content {
  flex: 1;
  min-width: 0;
}

/* Counter */
.csn-archive__counter {
  font-size: 13px;
  color: #64748b;
  margin-bottom: 20px;
}
.csn-archive__counter span { font-weight: 700; color: #1e293b; }

/* Grid */
.csn-archive__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Card — inspired by the reference */
.csn-archive__card {
  border-radius: 12px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  transition: transform 0.2s, box-shadow 0.2s;
}

.csn-archive__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
}

.csn-archive__card--fadein {
  animation: csnFadeIn 0.3s ease forwards;
}
@keyframes csnFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.csn-archive__card-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Card image with series overlay */
.csn-archive__card-img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f1f5f9;
}

.csn-archive__card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.csn-archive__card:hover .csn-archive__card-img img {
  transform: scale(1.04);
}

.csn-archive__series-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 12px;
  background: rgba(115, 35, 220, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Card body */
.csn-archive__card-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* Meta row: Ep. X • Date ... Duration */
.csn-archive__card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 12px;
  color: #94a3b8;
  font-weight: 500;
}

.csn-archive__card-meta-left {
  display: flex;
  align-items: center;
  gap: 4px;
}

.csn-archive__duration {
  font-weight: 600;
  color: #64748b;
}

/* Title */
.csn-archive__card-title {
  font-size: 16px;
  font-weight: 700;
  color: #1e293b;
  margin: 0 0 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Excerpt */
.csn-archive__card-excerpt {
  font-size: 13px;
  color: #64748b;
  line-height: 1.5;
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

/* Footer: Play + Details */
.csn-archive__card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
}

.csn-archive__play-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
  font-size: 13px;
  font-weight: 600;
  transition: color 0.15s;
}

.csn-archive__play-btn:hover { color: #1e293b; }

.csn-archive__play-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
  display: flex;
  align-items: center;
  justify-content: center;
}

.csn-archive__play-icon svg {
  width: 10px;
  height: 10px;
  fill: #ffffff;
  margin-left: 1px;
}

.csn-archive__details-btn {
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  transition: color 0.15s;
}

.csn-archive__details-btn:hover { color: #1e293b; }

/* Load More */
.csn-archive__loadmore {
  text-align: center;
  margin-top: 36px;
}

.csn-archive__loadmore-btn {
  padding: 12px 32px;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  background: #ffffff;
  color: #1e293b;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.csn-archive__loadmore-btn:hover {
  background: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
  border-color: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
  color: #ffffff;
}

/* Loading */
.csn-archive__loading { text-align: center; padding: 30px; }
.csn-archive__spinner {
  width: 28px; height: 28px;
  border: 3px solid #e2e8f0;
  border-top-color: var(--wpcasterpro-btn-background-color--default--hover, #7323dc);
  border-radius: 50%;
  animation: csnSpin 0.7s linear infinite;
  margin: 0 auto;
}
@keyframes csnSpin { to { transform: rotate(360deg); } }

/* Responsive */
@media (max-width: 1024px) {
  .csn-archive__grid { grid-template-columns: repeat(2, 1fr); }
  .csn-archive__sidebar { width: 220px; }
}

@media (max-width: 768px) {
  .csn-archive__layout { flex-direction: column; }
  
  .csn-archive__sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    max-height: 100vh;
    border-radius: 0;
    z-index: 9999;
    padding: 60px 20px 20px;
    overflow-y: auto;
  }

  .csn-archive__sidebar-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .csn-archive__grid { grid-template-columns: 1fr; gap: 16px; }
  .csn-archive { padding: 24px 16px 40px; }
  .csn-archive__title { font-size: 1.5rem; }
}

@media (min-width: 769px) {
  .csn-archive__sidebar-close { display: none; }
}

/* Featured card highlight */
.csn-archive__card--featured {
  border: 2px solid #f59e0b;
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.15), 0 4px 12px rgba(245, 158, 11, 0.1);
}