.lms-catalog { background: var(--lms-bg); color: var(--lms-ink); font-family: var(--lms-font); padding: clamp(28px, 4vw, 44px) 0 clamp(48px, 7vw, 80px); }
.lms-catalog__head {
    display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between;
    gap: .75rem 2rem;
    margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
    padding-bottom: clamp(1.25rem, 2.5vw, 1.75rem);
    border-bottom: 1px solid var(--lms-border);
}
.lms-catalog__title { margin: 0; font-size: clamp(1.35rem, 2.2vw, 1.6rem); font-weight: 700; color: var(--lms-ink); }

.lms-catalog__grid { display: grid; grid-template-columns: 288px minmax(0, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); align-items: start; }

.lms-catalog__side {
    position: sticky;
    top: calc(var(--lms-header-h) + 16px);
    max-height: calc(100vh - var(--lms-header-h) - 32px);
    overflow-y: auto;
}
.lms-filters {
    background: #fff;
    border: 1px solid var(--lms-border);
    border-radius: var(--lms-radius);
    padding: 1.25rem;
    box-shadow: var(--lms-shadow-sm);
}
.lms-filters__head { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: 1.25rem; }
.lms-filters__title { display: flex; align-items: center; gap: .5rem; margin: 0; font-size: 1rem; font-weight: 700; color: var(--lms-heading); }
.lms-filters__clear { font-size: .82rem; font-weight: 700; color: var(--theme-primary); text-decoration: none; }
.lms-filters__clear:hover { text-decoration: underline; }

.lms-filters__group { padding-block: 1rem; border-top: 1px solid var(--lms-border); }
.lms-filters__group:first-of-type { padding-top: 0; border-top: none; }
.lms-filters__label { display: block; margin-bottom: .7rem; font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--lms-ink-faint); }

.lms-filters__list { display: flex; flex-direction: column; gap: .55rem; max-height: 260px; overflow-y: auto; }

.lms-check { display: flex; align-items: center; gap: .6rem; margin: 0; font-size: .9rem; font-weight: 600; color: var(--lms-ink-soft); cursor: pointer; }
.lms-check input { width: 17px; height: 17px; accent-color: var(--theme-primary); cursor: pointer; flex: 0 0 auto; }
.lms-check:hover { color: var(--theme-primary); }

.lms-filters__actions { padding-top: 1.25rem; border-top: 1px solid var(--lms-border); }

.lms-catalog__toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; margin-bottom: 1.5rem; }
.lms-catalog__count { margin: 0; margin-right: auto; font-size: .92rem; font-weight: 600; color: var(--lms-ink-soft); }
.lms-catalog__sort { display: flex; align-items: center; gap: .6rem; }
.lms-catalog__sort-label { margin: 0; font-size: .85rem; font-weight: 700; color: var(--lms-ink-soft); white-space: nowrap; }
.lms-catalog__sort .lms-field { width: auto; min-width: 180px; }
.lms-catalog__filter-toggle { display: none; }

.lms-catalog__results { display: grid; grid-template-columns: repeat(auto-fill, minmax(258px, 1fr)); gap: 1.5rem; }
.lms-catalog__pagination { display: flex; justify-content: center; margin-top: 2.5rem; }
.lms-catalog__pagination .pagination { margin: 0; flex-wrap: wrap; gap: .3rem; }
.lms-catalog__pagination .page-link { border: 1px solid var(--lms-border); border-radius: var(--lms-radius-sm); color: var(--lms-ink); font-weight: 600; }
.lms-catalog__pagination .page-item.active .page-link { background: var(--theme-primary); border-color: var(--theme-primary); color: #fff; }

.lms-catalog__empty { text-align: center; padding: clamp(2.5rem, 8vw, 5rem) 1rem; color: var(--lms-ink-soft); }
.lms-catalog__empty i { font-size: 2.5rem; color: var(--lms-ink-faint); }
.lms-catalog__empty h2 { margin: 1rem 0 1.25rem; font-size: 1.15rem; font-weight: 700; color: var(--lms-ink); }

@media (max-width: 991.98px) {
    .lms-catalog__grid { grid-template-columns: 1fr; }
    .lms-catalog__side { position: static; display: none; order: -1; max-height: none; overflow: visible; }
    .lms-catalog__side.is-open { display: block; }
    .lms-catalog__filter-toggle { display: inline-flex; }
    .lms-filters__list { max-height: none; }
}
@media (max-width: 575.98px) {
    .lms-catalog__results { grid-template-columns: 1fr; }
    .lms-catalog__count { width: 100%; margin-right: 0; order: 3; }
    .lms-catalog__sort { width: 100%; }
    .lms-catalog__sort .lms-field { flex: 1; min-width: 0; }
}