/* =====================================================================
   LigiLearn — pages/home-modules.css : /modules
   ===================================================================== */

.modules-toolbar-wrap {
    position: sticky;
    top: var(--site-header-h);
    z-index: 900;
    padding: 14px 0;
    background: color-mix(in srgb, var(--ll-bg) 88%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ll-border-soft);
}

.modules-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.modules-filters { display: flex; flex-wrap: wrap; gap: 6px; }

.filter-chip {
    height: 34px;
    padding: 0 14px;
    font: inherit;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--ll-ink-2);
    background: var(--ll-surface);
    border: 1px solid var(--ll-border);
    border-radius: var(--ll-pill);
    cursor: pointer;
    transition: all .15s var(--ll-ease);
}
.filter-chip:hover { border-color: var(--ll-primary); color: var(--ll-primary); }
.filter-chip.is-active { background: var(--ll-primary); border-color: var(--ll-primary); color: #fff; }

.modules-search { flex: 0 1 280px; }
.modules-search .form-control { height: 38px; }

.modules-section { padding-top: 48px; }

.module-group { scroll-margin-top: calc(var(--site-header-h) + 80px); }
.module-group + .module-group { margin-top: 56px; }
.module-group.u-hidden { display: none; }

.module-group-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 22px;
}
.module-group-head h2 { font-size: 24px; font-weight: 800; letter-spacing: -.02em; }
.module-group-head p { margin: 2px 0 0; color: var(--ll-ink-muted); font-size: 15px; }

.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
}

.module-card {
    padding: 20px 20px 18px;
    background: var(--ll-surface);
    border: 1px solid var(--ll-border);
    border-radius: var(--ll-radius-lg);
    transition: transform .18s var(--ll-ease), box-shadow .18s var(--ll-ease), border-color .18s var(--ll-ease);
}
.module-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--ll-shadow);
    border-color: color-mix(in srgb, var(--ll-primary) 35%, var(--ll-border));
}
.module-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.module-card p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--ll-ink-muted); }
.module-card.u-hidden { display: none; }

.modules-empty { margin-top: 24px; }

@media (max-width: 767px) {
    .modules-toolbar { flex-direction: column; align-items: stretch; }
    .modules-filters { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
    .filter-chip { flex: 0 0 auto; }
    .modules-search { flex: 1 1 auto; }
}