/* Approved Rok composition. Only header + tabs are sticky. */
.collection-home { --collection-bg: #0f1219; --collection-panel: #171b24; --collection-muted: #8d95a3; }
.home-channel.collection-home { display: block; background: var(--collection-bg); color: #eceef4; }
.home-channel.collection-home .home-channel-sticky { position: sticky; top: 0; border: 0; border-bottom: 1px solid #262c37; background: var(--collection-bg); box-shadow: none; backdrop-filter: none; }
.home-channel.collection-home .home-channel-top { min-height: 44px; height: 44px; padding: 0 16px; gap: 6px; border: 0; }
.home-channel.collection-home .home-channel-title { grid-template-columns: 26px minmax(0, 1fr); gap: 8px; min-height: 44px; }
.home-channel.collection-home .home-channel-title img { filter: none; width: 26px; height: 26px; }
.home-channel.collection-home .home-channel-title strong { font-size: 16px; color: #eceef4; }
.home-channel.collection-home .home-channel-actions { gap: 4px; }
.home-channel.collection-home .home-locale-switch, .home-channel.collection-home .home-channel-account { display: none; }
.home-channel.collection-home .home-channel-search { width: 44px; height: 44px; border: 0; background: none; color: #eceef4; }
.collection-stats { display: flex; align-items: center; gap: 12px; padding: 0 2px; min-height: 44px; border: 0; background: none; color: #eceef4; }
.collection-stats span { display: flex; align-items: center; gap: 3px; font-size: 15px; }
.collection-stats svg { width: 18px; height: 20px; color: #e6b54a; }
.collection-stats b { font-weight: 600; }
.home-channel.collection-home .home-channel-tabs { min-height: 44px; height: 44px; padding: 0 16px; gap: 2px; background: none; border: 0; box-shadow: none; }
.home-channel.collection-home .home-channel-tabs button { height: 44px; font-size: 13px; font-weight: 500; }
.home-channel.collection-home .home-channel-tabs [data-home-action="all-videos"]::after { left: 0; right: 45%; bottom: 0; height: 3px; border-radius: 2px; }
.home-channel.collection-home .home-channel-toolbar, .home-channel.collection-home .browse-conversion-card { display: none; }
.home-channel.collection-home .home-channel-intro { display: block; padding: 0; background: none; }
.home-channel.collection-home .home-offer-strip { height: 44px; padding: 0 16px; gap: 6px; flex-wrap: nowrap; }
.home-channel.collection-home .home-offer-strip .free-video-notice { flex: 0 1 auto; min-width: 0; max-width: none; font-size: 12px; line-height: 18px; white-space: nowrap; color: var(--collection-muted); }
.home-channel.collection-home .free-video-notice::before, .home-channel.collection-home .free-video-notice::after { content: none; }
.home-channel.collection-home .home-offer-strip :is(#guestLessonStart, #homePricingButton, [data-free-daily-home], [data-free-review-home]) { display: none; }
.home-channel.collection-home .home-offer-strip #homeTrialButton { flex: 1 0 auto; width: auto; min-width: 44px; height: 44px; min-height: 44px; padding: 0; border: 0; background: none; color: #e6b54a; font-size: 0; text-align: left; }
.home-channel.collection-home #homeTrialButton::after { content: attr(data-collection-trial); display: inline; width: auto; height: auto; border: 0; border-radius: 0; font: 600 13px/20px system-ui, sans-serif; }
.collection-heading { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: 0; padding: 8px 16px; min-height: 36px; }
.collection-heading h2 { margin: 0; color: #eceef4; font-size: 18px; font-weight: 700; }
.collection-heading > span { color: var(--collection-muted); font-size: 13px; }
.home-channel.collection-home .home-channel-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; padding: 0 16px 16px; background: none; }
.home-channel.collection-home .collection-card, .collection-next-card { min-width: 0; border: 0; border-radius: 16px; background: var(--collection-panel); box-shadow: none; overflow: hidden; }
.home-channel.collection-home .collection-card .home-channel-card-media { display: block; width: 100%; height: 100%; border: 0; border-radius: 0; background: none; padding: 0; color: #eceef4; text-align: left; }
.collection-art { position: relative; display: block; width: 100%; aspect-ratio: 1.5; overflow: hidden; background: #11141b; }
.collection-art img { display: block; width: 100%; height: 100%; object-fit: cover; }
.collection-meta { display: block; padding: 10px 12px 12px; }
.collection-word { display: block; min-width: 0; font-family: Georgia, "Times New Roman", serif; font-size: 18px; font-weight: 700; line-height: 22px; white-space: normal; overflow-wrap: anywhere; text-overflow: clip; }
.collection-ipa { display: block; margin-top: 4px; font: 12px/16px system-ui, sans-serif; overflow-wrap: anywhere; color: var(--collection-muted); }
.home-channel.collection-home .collection-card img { transform: none; transition: none; filter: none; }
.home-channel.collection-home .collection-card[data-collection-state="locked"] img { filter: brightness(.32); }
.home-channel.collection-home .collection-card[data-collection-state="locked"] .collection-word { color: #7f8794; }
.collection-lock { position: absolute; top: 10px; right: 10px; display: none; width: 15px; height: 16px; color: #c4c9d0; }
.collection-lock svg { width: 100%; height: 100%; }
[data-collection-state="locked"] .collection-lock { display: block; }
.collection-next-card > div { position: relative; display: grid; place-items: center; aspect-ratio: 1.5; color: #6b7381; font-size: 13px; background: #10131a; }
.collection-next-card svg { position: absolute; width: 15px; height: 16px; top: 10px; right: 10px; }
.collection-next-card > .collection-word { padding: 10px 12px 26px; color: #757d8a; }
.home-channel.collection-home button:focus-visible { outline: 2px solid #e6b54a; outline-offset: -2px; }
@media (min-width: 981px) {
  .home-channel.collection-home .home-channel-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 370px) {
  .home-channel.collection-home .home-channel-top { padding-inline: 12px; }
  .home-channel.collection-home .home-channel-title strong { font-size: 14px; }
  .collection-stats { gap: 8px; }
  .home-channel.collection-home .home-channel-tabs button { font-size: 12px; }
}
.popular-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 0 12px; min-height: 44px; }
.popular-heading h2 { margin: 0; color: #eceef4; font: 700 18px/24px system-ui, sans-serif; }
.home-channel[data-home-view="collection"] .home-channel-tabs [data-home-action="all-videos"] { color: #8d95a3; font-weight: 500; }
.home-channel[data-home-view="collection"] .home-channel-tabs [data-home-action="all-videos"]::after { content: none; }
.home-channel[data-home-view="collection"] .home-channel-tabs [data-home-action="rootmap"] { color: #e6b54a; font-weight: 700; }
.home-channel[data-home-view="collection"] .home-channel-tabs [data-home-action="rootmap"]::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 1px; height: 2px; background: #e6b54a; }