.catalog-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.catalog-loading-shell {
  display: grid;
  gap: 20px;
}

.catalog-grid--skeleton {
  display: none;
}

html.has-js.is-page-loading [data-catalog-shell] > .catalog-grid--skeleton,
html.has-js.is-page-loading [data-favorites-shell] > .catalog-grid--skeleton {
  display: grid;
}

html.has-js [data-catalog-shell].is-shell-loading > .catalog-grid--skeleton,
html.has-js [data-favorites-shell].is-shell-loading > .catalog-grid--skeleton {
  display: grid;
}

html.has-js.is-page-loading [data-catalog-shell] > [data-catalog-content],
html.has-js.is-page-loading [data-favorites-shell] > [data-favorites-content] {
  display: none;
}

html.has-js [data-catalog-shell].is-shell-loading > [data-catalog-content],
html.has-js [data-favorites-shell].is-shell-loading > [data-favorites-content] {
  display: none;
}

.catalog-grid--related {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.channel-single__related {
  margin-top: 18px;
}

.catalog-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 176px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.catalog-card--clickable {
  cursor: pointer;
}

.catalog-card:hover {
  border-color: var(--accent);
  background: var(--surface-elevated);
}

.catalog-card--skeleton,
.catalog-card--skeleton:hover {
  border-color: var(--border);
  background: var(--surface);
}

.catalog-card--skeleton {
  pointer-events: none;
  user-select: none;
}

.catalog-card__heading--skeleton,
.catalog-card__skeleton-copy {
  display: grid;
  gap: 8px;
}

.catalog-card__avatar--skeleton,
.catalog-card__skeleton-line,
.catalog-card__metric-icon--skeleton,
.catalog-card__favorite--skeleton {
  position: relative;
  overflow: hidden;
  background: linear-gradient(90deg, var(--surface-muted) 0%, var(--surface-elevated) 50%, var(--surface-muted) 100%);
  background-size: 200% 100%;
  animation: catalog-card-skeleton-shimmer 1.3s ease-in-out infinite;
}

.catalog-card__avatar--skeleton {
  border-color: transparent;
}

.catalog-card__skeleton-line {
  display: block;
  height: 12px;
  border-radius: 999px;
}

.catalog-card__skeleton-line--title {
  width: 78%;
  height: 16px;
}

.catalog-card__skeleton-line--category {
  width: 42%;
  height: 11px;
}

.catalog-card__skeleton-line--description {
  width: 100%;
}

.catalog-card__skeleton-line--description-short {
  width: 68%;
}

.catalog-card__metric--skeleton {
  gap: 6px;
}

.catalog-card__metric-icon--skeleton {
  width: 14px;
  height: 14px;
  border-radius: 999px;
}

.catalog-card__skeleton-line--metric {
  width: 58px;
  height: 11px;
}

.catalog-card__skeleton-line--metric-short {
  width: 42px;
  height: 11px;
}

.catalog-card__favorite--skeleton {
  border-color: transparent;
  color: transparent;
}

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

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

.catalog-card__cover-link {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}

.catalog-card__cover-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.catalog-card__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-right: 42px;
}

.catalog-card__avatar-link {
  display: block;
  flex: 0 0 44px;
  line-height: 0;
}

.catalog-card__avatar,
.catalog-card__avatar-placeholder {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--surface-muted);
}

.catalog-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.catalog-card__avatar-placeholder {
  display: grid;
  place-items: center;
  color: var(--accent);
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.catalog-card__avatar-placeholder--bot {
  color: var(--accent);
  background: var(--surface-muted);
}

.catalog-card__avatar-placeholder-icon,
.catalog-card__avatar-placeholder-glyph {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
}

.catalog-card__avatar-placeholder-icon svg,
.catalog-card__avatar-placeholder-glyph svg {
  width: 18px;
  height: 18px;
  display: block;
}

.catalog-card__heading {
  min-width: 0;
  flex: 1 1 auto;
}

.catalog-card__title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.28;
  letter-spacing: -0.03em;
  min-width: 0;
  overflow: visible;
}

.catalog-card__title a {
  color: inherit;
  transition: color 0.2s ease;
}

.catalog-card__title a:hover {
  color: var(--accent);
}

.catalog-card__title-copy {
  display: -webkit-box;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
  white-space: normal;
}

.catalog-card__title-text {
  display: inline;
}

.catalog-card__verified-mark {
  appearance: none;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  line-height: 1;
  margin-left: 0.18em;
  vertical-align: -0.04em;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.98em;
  height: 0.98em;
  color: var(--saved);
  cursor: pointer;
  border-radius: 999px;
  z-index: 2;
}

.catalog-card__verified-mark:focus-visible {
  outline: 2px solid var(--saved-soft-strong);
  outline-offset: 3px;
}

.catalog-card__verified-mark::before,
.catalog-card__verified-mark::after {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.16s ease, visibility 0.16s ease;
}

.catalog-card__verified-mark::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: calc(100% + 8px);
  width: 10px;
  height: 10px;
  background: var(--surface-elevated);
  border-left: 1px solid var(--border-strong);
  border-top: 1px solid var(--border-strong);
  transform: translateX(-50%) rotate(45deg);
  z-index: 11;
}

.catalog-card__verified-mark::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 13px);
  transform: translateX(-50%);
  width: max-content;
  max-width: min(250px, calc(100vw - 32px));
  padding: 9px 11px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--surface-elevated);
  color: var(--text);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.14);
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0;
  word-spacing: 0.05em;
  line-height: 1.4;
  text-align: center;
  white-space: normal;
  z-index: 12;
}

.catalog-card__verified-mark:hover::before,
.catalog-card__verified-mark:hover::after,
.catalog-card__verified-mark:focus-visible::before,
.catalog-card__verified-mark:focus-visible::after {
  opacity: 1;
  visibility: visible;
}

html[data-theme="dark"] .catalog-card__verified-mark::after {
  box-shadow: 0 16px 36px rgba(2, 6, 23, 0.34);
}

.catalog-card__verified-mark-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.catalog-card__verified-mark-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.catalog-card__category {
  margin-top: 4px;
  color: var(--text-soft);
  font-size: 0.78rem;
}

.catalog-card__category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: inherit;
  text-decoration: none;
}

.catalog-card__category-link:hover {
  color: var(--accent);
}

.catalog-card__category-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
}

.catalog-card__category-icon svg {
  width: 14px;
  height: 14px;
}

.catalog-card__category-label {
  display: inline-block;
}

.catalog-card__description {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.87rem;
  line-height: 1.5;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  line-clamp: 3;
  -webkit-line-clamp: 3;
}

.catalog-card__saved-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.catalog-card__saved-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--saved-soft-strong);
  background: var(--saved-soft);
  color: var(--saved);
  line-height: 1;
  flex: 0 0 auto;
}

.catalog-card__saved-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
}

.catalog-card__saved-icon svg {
  width: 14px;
  height: 14px;
  display: block;
}

.catalog-card__saved-meta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--saved);
  font-size: 0.74rem;
  font-family: var(--font-mono);
  line-height: 1.35;
}

.catalog-card__entity-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  min-height: 28px;
  padding: 0 12px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text-soft);
  font-size: 0.74rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  margin-left: auto;
}

.catalog-card__entity-badge--channel {
  border-color: var(--accent-soft-strong);
  background: var(--accent-soft);
  color: var(--accent);
}

.catalog-card__entity-badge--bot {
  border-color: var(--border-strong);
  background: var(--surface-muted);
  color: var(--text-soft);
}

.catalog-card__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: auto;
  padding-top: 2px;
  color: var(--text-soft);
}

.catalog-card__metric {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  font-size: 0.83rem;
}

.catalog-card__metric-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  color: var(--text-faint);
}

.catalog-card__metric-icon svg {
  width: 14px;
  height: 14px;
}

.catalog-card__metric strong {
  color: var(--text-soft);
  font-size: 0.83rem;
  font-weight: 600;
}

.catalog-card__favorite {
  position: absolute;
  top: 14px;
  right: 16px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text-faint);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.catalog-card__favorite:hover,
.catalog-card__favorite:focus-visible {
  border-color: var(--favorite-soft-strong);
  background: var(--favorite-soft);
  color: var(--favorite);
  outline: none;
}

.catalog-card__favorite:focus-visible {
  box-shadow: 0 0 0 4px var(--favorite-soft);
}

.catalog-card__favorite.is-active {
  border-color: var(--favorite-soft-strong);
  background: var(--favorite-soft);
  color: var(--favorite);
}

.catalog-card__favorite-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
}

.catalog-card__favorite-icon svg {
  width: 16px;
  height: 16px;
  display: block;
}

.channel-single__hero-favorite-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 46px;
  width: 46px;
  min-width: 46px;
  padding: 0;
  border-color: var(--border);
  background: var(--surface-ghost);
  color: var(--text-faint);
  box-shadow: none;
}

.channel-single__hero-favorite-action:hover,
.channel-single__hero-favorite-action:focus-visible {
  border-color: var(--favorite-soft-strong);
  background: var(--favorite-soft);
  color: var(--favorite);
  outline: none;
}

.channel-single__hero-favorite-action:focus-visible {
  box-shadow: 0 0 0 4px var(--favorite-soft);
}

.channel-single__hero-favorite-action.is-active {
  border-color: var(--favorite-soft-strong);
  background: var(--favorite-soft);
  color: var(--favorite);
}

.channel-single__action-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  line-height: 1;
}

.channel-single__action-icon svg {
  display: block;
  width: 16px;
  height: 16px;
}

html[data-theme="dark"] .channel-single__hero-favorite-action {
  border-color: rgba(125, 156, 214, 0.34);
  background: linear-gradient(180deg, rgba(31, 48, 79, 0.98) 0%, rgba(22, 36, 61, 0.98) 100%);
  color: #eef4ff;
}

html[data-theme="dark"] .channel-single__hero-favorite-action:hover,
html[data-theme="dark"] .channel-single__hero-favorite-action:focus-visible,
html[data-theme="dark"] .channel-single__hero-favorite-action.is-active {
  border-color: rgba(255, 125, 150, 0.34);
  background: rgba(255, 125, 150, 0.14);
  color: #ff7d96;
}

.catalog-card__favorite-icon svg path,
.channel-single__hero-favorite-action .channel-single__action-icon svg path {
  fill: transparent;
  stroke: currentColor;
  transition: fill 0.22s ease, stroke 0.22s ease;
  transform-origin: center;
}

.catalog-card__favorite.is-active .catalog-card__favorite-icon svg path,
.channel-single__hero-favorite-action.is-active .channel-single__action-icon svg path {
  fill: currentColor;
  stroke: currentColor;
}

.catalog-card__favorite.is-favorite-animating .catalog-card__favorite-icon svg path,
.channel-single__hero-favorite-action.is-favorite-animating .channel-single__action-icon svg path {
  animation: favorite-heart-fill-pop 0.34s ease;
}

@keyframes favorite-heart-fill-pop {
  0% {
    transform: scale(0.72);
    fill: transparent;
  }

  55% {
    transform: scale(1.16);
    fill: currentColor;
  }

  100% {
    transform: scale(1);
    fill: currentColor;
  }
}

.catalog-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.catalog-card__actions .button-primary,
.catalog-card__actions .button-secondary {
  flex: 1 1 calc(50% - 4px);
  min-width: 0;
}

@media (max-width: 1320px) {
  .catalog-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .catalog-grid--related {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 1080px) {
  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-grid--related {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .catalog-card__stats {
    grid-template-columns: 1fr;
  }

  .catalog-card__actions .button-primary,
  .catalog-card__actions .button-secondary {
    flex-basis: 100%;
  }
}