/* ===== Course Lesson Block ===== */
.bkbg-cl-wrap {
    font-family: var(--bkbg-cles-body-font-family, inherit);
    font-size: var(--bkbg-cles-body-font-size-d, 15px);
    font-weight: var(--bkbg-cles-body-font-weight, 400);
    font-style: var(--bkbg-cles-body-font-style, normal);
    line-height: var(--bkbg-cles-body-line-height-d, 1.7);
    letter-spacing: var(--bkbg-cles-body-letter-spacing-d, normal);
    word-spacing: var(--bkbg-cles-body-word-spacing-d, normal);
    overflow: hidden;
}

/* Header */
.bkbg-cl-header {
    padding: 20px 26px;
}
.bkbg-cl-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.bkbg-cl-module {
    font-size: .72em;
    font-weight: 600;
    letter-spacing: .04em;
}
.bkbg-cl-sep {
    opacity: .3;
    font-size: .72em;
}
.bkbg-cl-lesson-num {
    font-size: .72em;
}
.bkbg-cl-wrap .bkbg-cl-title {
    margin: 0 0 12px;
    padding: 0;
    font-family: var(--bkbg-cles-ttl-font-family, inherit);
    font-size: var(--bkbg-cles-ttl-font-size-d, 26px);
    font-weight: var(--bkbg-cles-ttl-font-weight, 400);
    font-style: var(--bkbg-cles-ttl-font-style, normal);
    text-transform: var(--bkbg-cles-ttl-text-transform, none);
    text-decoration: var(--bkbg-cles-ttl-text-decoration, none);
    line-height: var(--bkbg-cles-ttl-line-height-d, 1.2);
    letter-spacing: var(--bkbg-cles-ttl-letter-spacing-d, normal);
    word-spacing: var(--bkbg-cles-ttl-word-spacing-d, normal);
}
.bkbg-cl-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}
.bkbg-cl-pill {
    padding: 3px 10px;
    border-radius: 100px;
    font-size: .72em;
    font-weight: 700;
    white-space: nowrap;
}

/* Body */
.bkbg-cl-body {
    padding: 20px 26px;
    display: grid;
    gap: 20px;
}

/* Intro */
.bkbg-cl-intro {
    border-radius: 8px;
    padding: 14px 18px;
}
.bkbg-cl-intro p {
    margin: 0;
}

/* Two-col objectives / prereqs */
.bkbg-cl-learn-row {
    display: grid;
    gap: 16px;
}
.bkbg-cl-obj-card,
.bkbg-cl-prereq-card {
    padding: 16px;
    border-radius: 8px;
}
.bkbg-cl-list {
    margin: 0;
    padding: 0;
    list-style: none;
}
.bkbg-cl-list-item {
    display: flex;
    gap: 8px;
    margin-bottom: 7px;
    align-items: flex-start;
    line-height: 1.5;
    font-size: .9em;
}
.bkbg-cl-list-item:last-child { margin-bottom: 0; }
.bkbg-cl-list-dot {
    flex-shrink: 0;
    margin-top: 1px;
    font-weight: 800;
}

/* Section heading label */
.bkbg-cl-section-head {
    font-size: .68em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .09em;
    padding-bottom: 5px;
    margin-bottom: 10px;
    border-bottom: 2px solid;
}

/* Content sections */
.bkbg-cl-sections {
    display: grid;
    gap: 16px;
}
.bkbg-cl-section {
    /* base text section, no extra padding */
}
.bkbg-cl-section-box {
    padding: 12px 16px;
    border-radius: 8px;
    border-left: 4px solid;
}
.bkbg-cl-section h4 {
    margin: 0 0 6px;
    font-size: 1em;
    font-weight: 700;
}
.bkbg-cl-section p {
    margin: 0;
    line-height: 1.68;
}

/* Resources */
.bkbg-cl-resources {
    display: grid;
    gap: 6px;
}
.bkbg-cl-resource {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    border-left: 3px solid;
    text-decoration: none;
    transition: opacity .15s;
}
.bkbg-cl-resource:hover { opacity: .8; }
.bkbg-cl-resource-icon { flex-shrink: 0; }
.bkbg-cl-resource-title {
    font-weight: 500;
    font-size: .9em;
}

/* Prev/Next nav */
.bkbg-cl-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px 26px;
    border-top: 1px solid;
}
.bkbg-cl-nav-prev { max-width: 45%; }
.bkbg-cl-nav-next { text-align: right; max-width: 45%; }
.bkbg-cl-nav-label {
    font-size: .68em;
    text-transform: uppercase;
    letter-spacing: .07em;
    margin-bottom: 2px;
    color: #94a3b8;
}
.bkbg-cl-nav-title {
    font-weight: 600;
    font-size: .9em;
    text-decoration: none;
}
.bkbg-cl-nav-title:hover { text-decoration: underline; }

@media (max-width: 600px) {
    .bkbg-cl-learn-row { grid-template-columns: 1fr !important; }
    .bkbg-cl-header, .bkbg-cl-body { padding-left: 16px; padding-right: 16px; }
    .bkbg-cl-nav { padding-left: 16px; padding-right: 16px; }
}

/* Typography responsive */
@media (max-width: 1024px) {
    .bkbg-cl-wrap .bkbg-cl-title {
        font-size: var(--bkbg-cles-ttl-font-size-t, var(--bkbg-cles-ttl-font-size-d, 26px));
        line-height: var(--bkbg-cles-ttl-line-height-t, var(--bkbg-cles-ttl-line-height-d, 1.2));
        letter-spacing: var(--bkbg-cles-ttl-letter-spacing-t, var(--bkbg-cles-ttl-letter-spacing-d, normal));
        word-spacing: var(--bkbg-cles-ttl-word-spacing-t, var(--bkbg-cles-ttl-word-spacing-d, normal));
    }
    .bkbg-cl-wrap {
        font-size: var(--bkbg-cles-body-font-size-t, var(--bkbg-cles-body-font-size-d, 15px));
        line-height: var(--bkbg-cles-body-line-height-t, var(--bkbg-cles-body-line-height-d, 1.7));
        letter-spacing: var(--bkbg-cles-body-letter-spacing-t, var(--bkbg-cles-body-letter-spacing-d, normal));
        word-spacing: var(--bkbg-cles-body-word-spacing-t, var(--bkbg-cles-body-word-spacing-d, normal));
    }
}
@media (max-width: 767px) {
    .bkbg-cl-wrap .bkbg-cl-title {
        font-size: var(--bkbg-cles-ttl-font-size-m, var(--bkbg-cles-ttl-font-size-t, var(--bkbg-cles-ttl-font-size-d, 26px)));
        line-height: var(--bkbg-cles-ttl-line-height-m, var(--bkbg-cles-ttl-line-height-t, var(--bkbg-cles-ttl-line-height-d, 1.2)));
        letter-spacing: var(--bkbg-cles-ttl-letter-spacing-m, var(--bkbg-cles-ttl-letter-spacing-t, var(--bkbg-cles-ttl-letter-spacing-d, normal)));
        word-spacing: var(--bkbg-cles-ttl-word-spacing-m, var(--bkbg-cles-ttl-word-spacing-t, var(--bkbg-cles-ttl-word-spacing-d, normal)));
    }
    .bkbg-cl-wrap {
        font-size: var(--bkbg-cles-body-font-size-m, var(--bkbg-cles-body-font-size-t, var(--bkbg-cles-body-font-size-d, 15px)));
        line-height: var(--bkbg-cles-body-line-height-m, var(--bkbg-cles-body-line-height-t, var(--bkbg-cles-body-line-height-d, 1.7)));
        letter-spacing: var(--bkbg-cles-body-letter-spacing-m, var(--bkbg-cles-body-letter-spacing-t, var(--bkbg-cles-body-letter-spacing-d, normal)));
        word-spacing: var(--bkbg-cles-body-word-spacing-m, var(--bkbg-cles-body-word-spacing-t, var(--bkbg-cles-body-word-spacing-d, normal)));
    }
}