/* RC149 premium status grouping */
.sk149-filter{display:flex;gap:7px;flex-wrap:wrap;margin:14px 0 18px}
.sk149-filter button{border:1px solid var(--ls-border,#cbd5e1);background:var(--ls-surface-2,#edf2f7);color:var(--ls-text,#253452);font-weight:750;border-radius:999px;padding:9px 14px;cursor:pointer;min-height:42px}
.sk149-filter button.is-selected{background:#325ea8;color:#fff;border-color:#325ea8}
[data-sk149-state][hidden]{display:none!important}
html.lessonsky-dark .sk149-filter button,body.lessonsky-dark .sk149-filter button{background:#213956;color:#d9e9fc;border-color:#4a6787}
html.lessonsky-dark .sk149-filter button.is-selected,body.lessonsky-dark .sk149-filter button.is-selected{background:#5b8aca;color:#fff;border-color:#7fa8e1}
@media(max-width:600px){.sk149-filter{gap:6px}.sk149-filter button{padding:8px 11px;font-size:12px}}

/* RC150: accurate grouped counts and empty filter experience */
.sk150-filter-empty{margin:12px 0 2px;padding:13px 16px;border:1px solid var(--ls-border,#bbc9db);border-radius:14px;background:var(--ls-surface-2,#eff4fb);color:var(--ls-text,#253452)}
html.lessonsky-dark .sk150-filter-empty,body.lessonsky-dark .sk150-filter-empty{background:#243b57;border-color:#425e80;color:#e3eefa}
.sk150-filter-empty[hidden]{display:none!important}