/* ─────────────────────────────────────────
   Batches Filter – Styles
   Fonts: Source Serif Pro + Lato (loaded by theme)
   ───────────────────────────────────────── */

:root {
    --bf-navy:        #1e3a5f;
    --bf-navy-hover:  #162d4a;
    --bf-navy-light:  #eef2f7;
    --bf-red:         #d0021b;
    --bf-border:      #e8e8e8;
    --bf-bg:          #ffffff;
    --bf-text:        #111111;
    --bf-text-sec:    #555555;
    --bf-text-muted:  #999999;
    --bf-radius-pill: 50px;
    --bf-radius-card: 12px;
    --bf-radius-sm:   6px;
    --bf-shadow:      0 1px 4px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
    --bf-font-body:   'Lato', sans-serif;
    --bf-font-serif:  'Source Serif Pro', sans-serif;
}

/* ── Wrapper ── */
.bf-wrap {
    display: flex;
    align-items: flex-start;
    gap: 0;
    font-family: var(--bf-font-body);
    color: var(--bf-text);
    background: var(--bf-bg);
    width: 100%;
}

/* ══════════════════════════════
   SIDEBAR
══════════════════════════════ */
.bf-sidebar {
    width: 260px;
    flex-shrink: 0;
    position: sticky;
    top: 24px;
    padding-right: 32px;
    border-right: 1px solid var(--bf-border);
}

.bf-sidebar-title {
    font-family: var(--bf-font-body);
    font-size: 18px;
    font-weight: 900;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--bf-text-muted);
    margin-bottom: 24px;
}

.bf-filter-group {
    margin-bottom: 28px;
}

.bf-group-label {
    font-family: var(--bf-font-body);
    font-size: 15px;
    font-weight: 700;
    color: var(--bf-text);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--bf-navy);
}

.bf-checkbox-list {
    display: flex;
    flex-direction: column;
}

.bf-checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 0;
    cursor: pointer;
    user-select: none;
}

.bf-checkbox-item input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 17px;
    height: 17px;
    min-width: 17px;
    border: 2px solid #c0c0c0;
    border-radius: 3px;
    background: #fff;
    cursor: pointer;
    position: relative;
    transition: background .15s, border-color .15s;
}

.bf-checkbox-item input[type="checkbox"]:checked {
    background: var(--bf-navy);
    border-color: var(--bf-navy);
}

.bf-checkbox-item input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    left: 3px;
    top: 0;
    width: 6px;
    height: 10px;
    border: 2px solid #fff;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}

.bf-check-label {
    font-family: var(--bf-font-body);
    font-size: 15px;
    font-weight: 400;
    color: var(--bf-text-sec);
    flex: 1;
    transition: color .15s;
}

.bf-checkbox-item:has(input:checked) .bf-check-label {
    color: var(--bf-navy);
    font-weight: 700;
}

.bf-check-count {
    font-family: var(--bf-font-body);
    font-size: 11px;
    font-weight: 400;
    color: var(--bf-text-muted);
    background: #f2f2f2;
    padding: 2px 8px;
    border-radius: 20px;
    flex-shrink: 0;
}

/* Mobile toggle */
.bf-mobile-toggle {
    display: none;
    width: 100%;
    background: var(--bf-navy);
    color: #fff;
    border: none;
    padding: 12px 18px;
    border-radius: var(--bf-radius-sm);
    font-family: var(--bf-font-body);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .8px;
    text-transform: uppercase;
    cursor: pointer;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.bf-toggle-arrow {
    transition: transform .25s;
    font-size: 14px;
}

/* ══════════════════════════════
   RESULTS
══════════════════════════════ */
.bf-results {
    flex: 1;
    padding-left: 32px;
    min-width: 0;
}

/* Active pills */
.bf-active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    min-height: 28px;
}

.bf-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bf-navy);
    color: #fff;
    font-family: var(--bf-font-body);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .8px;
    text-transform: uppercase;
    padding: 5px 10px 5px 14px;
    border-radius: 20px;
}

.bf-pill-remove {
    cursor: pointer;
    font-size: 15px;
    opacity: .75;
    line-height: 1;
    transition: opacity .15s;
}

.bf-pill-remove:hover { opacity: 1; }

/* Results count */
.bf-results-count {
    font-family: var(--bf-font-body);
    font-size: 16px;
    color: var(--bf-text-muted);
    margin-bottom: 16px;
}

.bf-results-count strong { color: var(--bf-text); }

/* ── Batch card ── */
.bf-card {
    background: #fff;
    border: 1.5px solid var(--bf-border);
    border-radius: var(--bf-radius-card);
    padding: 20px 22px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--bf-shadow);
    transition: border-color .2s, box-shadow .2s;
}

.bf-card:hover {
    border-color: var(--bf-navy);
    box-shadow: 0 4px 20px rgba(30,58,95,.1);
}

.bf-card-body {
    flex: 1;
    min-width: 0;
}

.bf-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.bf-card-title {
    font-family: var(--bf-font-serif);
    font-size: 20px;
    font-weight: 700;
    color: #111111;
    line-height: 1.35;
}

.bf-tags {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.bf-tag {
    font-family: var(--bf-font-body);
    font-size: 10px;
    font-weight: 700;
    padding: 4px 11px;
    border-radius: var(--bf-radius-pill);
    letter-spacing: .8px;
    text-transform: uppercase;
    border: 1.5px solid;
    white-space: nowrap;
}

.bf-tag-course {
    background: var(--bf-navy-light);
    color: var(--bf-navy);
    border-color: var(--bf-navy);
}

.bf-tag-level {
    background: #fff5f5;
    color: var(--bf-red);
    border-color: var(--bf-red);
}

.bf-divider {
    height: 1px;
    background: var(--bf-border);
    margin-bottom: 12px;
}

.bf-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 20px;
    margin-bottom: 10px;
}

.bf-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: var(--bf-font-body);
    font-size: 16px;
    color: #555555;
}

.bf-meta-label {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: .8px;
    text-transform: uppercase;
    color: #363636;
    margin-right: 2px;
}

.bf-prereq {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: var(--bf-font-body);
    font-size: 16px;
    color: var(--bf-text-sec);
    background: #fafafa;
    border: 1px solid var(--bf-border);
    padding: 5px 12px;
    border-radius: var(--bf-radius-sm);
    margin-top: 4px;
}

/* ── Enroll button — layout only, style comes from Elementor theme ── */
.bf-enroll-btn {
    flex-shrink: 0;
    white-space: nowrap;
}

/* Empty state */
.bf-empty {
    text-align: center;
    padding: 48px 20px;
    font-family: var(--bf-font-body);
    color: var(--bf-text-muted);
    font-size: 15px;
    border: 1.5px dashed var(--bf-border);
    border-radius: var(--bf-radius-card);
}

/* ══════════════════════════════
   MOBILE — Tablet (≤ 900px)
══════════════════════════════ */
@media ( max-width: 900px ) {
    .bf-sidebar {
        width: 220px;
        padding-right: 24px;
    }

    .bf-results {
        padding-left: 24px;
    }
}

/* ══════════════════════════════
   MOBILE — Phone (≤ 768px)
══════════════════════════════ */
@media ( max-width: 768px ) {
    .bf-wrap {
        flex-direction: column;
    }

    .bf-sidebar {
        width: 100%;
        position: static;
        padding-right: 0;
        border-right: none;
        border-bottom: 1px solid var(--bf-border);
        padding-bottom: 8px;
        margin-bottom: 24px;
    }

    .bf-sidebar-title {
        display: none;
    }

    .bf-mobile-toggle {
        display: flex;
    }

    .bf-sidebar-inner {
        display: none;
    }

    .bf-sidebar-inner.open {
        display: block;
    }

    .bf-results {
        padding-left: 0;
        width: 100%;
    }

    .bf-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .bf-card-top {
        flex-direction: column;
        gap: 8px;
    }

    .bf-tags {
        justify-content: flex-start;
    }

    .bf-enroll-btn {
        width: 100%;
        text-align: center;
    }

    .bf-card-title {
        font-size: 15px;
    }
}

@media ( max-width: 480px ) {
    .bf-meta { gap: 4px 14px; }
    .bf-meta-item { font-size: 12px; }
    .bf-card { padding: 16px; }
}