/* ═══════════════════════════════════════════════════════════════════════
   QCF Engine — Lesson & Quiz Content Styles
   Scoped to .qcf-lc-* classes injected into LearnDash post_content.
   BuddyBoss owns the outer layout; we own everything inside .qcf-lc-wrap.
   Uses CSS custom properties so it inherits the BuddyBoss theme's
   font stack and colour palette where sensible.
═══════════════════════════════════════════════════════════════════════ */

/* ── Core variables (fallback if tokens.css not loaded) ─────────────── */
.qcf-lc-wrap {
    --qcf-lc-blue:        #1d6fb8;
    --qcf-lc-blue-bg:     #eff6ff;
    --qcf-lc-green:       #166534;
    --qcf-lc-green-bg:    #f0fdf4;
    --qcf-lc-amber:       #92400e;
    --qcf-lc-amber-bg:    #fffbeb;
    --qcf-lc-amber-border:#fde68a;
    --qcf-lc-muted:       #6b7280;
    --qcf-lc-border:      #e5e7eb;
    --qcf-lc-surface:     #f9fafb;
    --qcf-lc-radius:      10px;
    --qcf-lc-radius-sm:   6px;
    font-family: inherit;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 780px;
    margin: 0 auto;
    padding: 4px 0 24px;
}

/* ── Session hero banner ─────────────────────────────────────────────── */
.qcf-lc-hero {
    background: var(--qcf-signal, var(--qcf-lc-blue));
    border-radius: var(--qcf-lc-radius);
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.qcf-lc-hero-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.qcf-lc-pill {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 100px;
    background: rgba(255,255,255,.18);
    color: #fff;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.qcf-lc-hero-title {
    font-size: 17px;
    font-weight: 600;
    color: #fff;
    line-height: 1.35;
    margin: 0;
}
.qcf-lc-hero-sub {
    font-size: 13px;
    color: rgba(255,255,255,.8);
    margin: 0;
    line-height: 1.5;
}
.qcf-lc-hero-progress {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
}
.qcf-lc-progress-track {
    flex: 1;
    height: 4px;
    background: rgba(255,255,255,.25);
    border-radius: 100px;
    overflow: hidden;
}
.qcf-lc-progress-fill {
    height: 100%;
    background: #fff;
    border-radius: 100px;
}
.qcf-lc-progress-label {
    font-size: 11px;
    color: rgba(255,255,255,.8);
    white-space: nowrap;
}

/* ── Content blocks ─────────────────────────────────────────────────── */
.qcf-lc-block {
    border-radius: var(--qcf-lc-radius);
    border: 1px solid var(--qcf-lc-border);
    overflow: hidden;
    background: #fff;
}
.qcf-lc-block-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--qcf-lc-surface);
    border-bottom: 1px solid var(--qcf-lc-border);
}
.qcf-lc-block-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--qcf-lc-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 15px;
}
.qcf-lc-block-icon.blue  { background: var(--qcf-lc-blue-bg); }
.qcf-lc-block-icon.green { background: var(--qcf-lc-green-bg); }
.qcf-lc-block-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--qcf-lc-muted);
}
.qcf-lc-block-body {
    padding: 14px 16px;
    font-size: 14px;
    line-height: 1.7;
    color: inherit;
}

/* ── AC criteria grid ───────────────────────────────────────────────── */
.qcf-lc-ac-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--qcf-lc-muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.qcf-lc-ac-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
@media (max-width: 540px) {
    .qcf-lc-ac-grid { grid-template-columns: 1fr; }
}
.qcf-lc-ac-card {
    background: var(--qcf-lc-surface);
    border: 1px solid var(--qcf-lc-border);
    border-radius: var(--qcf-lc-radius-sm);
    padding: 10px 12px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.qcf-lc-ac-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--qcf-lc-border);
    flex-shrink: 0;
    margin-top: 4px;
}
.qcf-lc-ac-dot.approved { background: #22c55e; }
.qcf-lc-ac-dot.pending  { background: #f59e0b; }
.qcf-lc-ac-code {
    font-family: 'Courier New', monospace;
    font-size: 11px;
    font-weight: 700;
    color: var(--qcf-lc-blue);
    flex-shrink: 0;
    margin-top: 1px;
}
.qcf-lc-ac-text {
    font-size: 12px;
    line-height: 1.45;
    color: inherit;
}

/* ── Pass criteria box ──────────────────────────────────────────────── */
.qcf-lc-criteria {
    background: var(--qcf-lc-amber-bg);
    border: 1px solid var(--qcf-lc-amber-border);
    border-radius: var(--qcf-lc-radius);
    padding: 14px 16px;
}
.qcf-lc-criteria-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--qcf-lc-amber);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.qcf-lc-criteria-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.qcf-lc-criteria-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    line-height: 1.55;
    color: inherit;
}
.qcf-lc-criteria-bullet {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1.5px solid var(--qcf-lc-amber);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 1px;
    font-size: 10px;
    color: var(--qcf-lc-amber);
}

/* ── CTA strip ──────────────────────────────────────────────────────── */
.qcf-lc-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px 16px;
    background: var(--qcf-lc-surface);
    border: 1px solid var(--qcf-lc-border);
    border-radius: var(--qcf-lc-radius);
}
.qcf-lc-cta-text {
    font-size: 13px;
    color: var(--qcf-lc-muted);
}
.qcf-lc-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: var(--qcf-lc-radius-sm);
    background: var(--qcf-signal, var(--qcf-lc-blue));
    color: #fff;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: opacity .12s;
}
.qcf-lc-cta-btn:hover { opacity: .88; color: #fff; text-decoration: none; }

/* ═══════════════════════════════════════════════════════════════════════
   Quiz / Evidence Submission styles
   Scoped to .qcf-quiz-wrap
═══════════════════════════════════════════════════════════════════════ */
.qcf-quiz-wrap {
    --qcf-lc-blue:        #1d6fb8;
    --qcf-lc-blue-bg:     #eff6ff;
    --qcf-lc-muted:       #6b7280;
    --qcf-lc-border:      #e5e7eb;
    --qcf-lc-surface:     #f9fafb;
    --qcf-lc-radius:      10px;
    --qcf-lc-radius-sm:   6px;
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 4px 0 24px;
    font-family: inherit;
}

.qcf-quiz-header {
    background: var(--qcf-lc-surface);
    border: 1px solid var(--qcf-lc-border);
    border-radius: var(--qcf-lc-radius);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
}
.qcf-quiz-header-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--qcf-lc-radius-sm);
    background: var(--qcf-lc-blue-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 20px;
}
.qcf-quiz-header-title {
    font-size: 16px;
    font-weight: 600;
    color: inherit;
    margin: 0 0 4px;
}
.qcf-quiz-header-meta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--qcf-lc-muted);
}
.qcf-quiz-header-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.qcf-quiz-question {
    background: #fff;
    border: 1px solid var(--qcf-lc-border);
    border-radius: var(--qcf-lc-radius);
    overflow: hidden;
}
.qcf-quiz-q-header {
    padding: 14px 20px 10px;
    border-bottom: 1px solid var(--qcf-lc-border);
    background: var(--qcf-lc-surface);
}
.qcf-quiz-q-num {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--qcf-lc-muted);
    margin-bottom: 6px;
}
.qcf-quiz-ac-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}
.qcf-quiz-ac-chip {
    font-size: 11px;
    font-family: 'Courier New', monospace;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 100px;
    background: var(--qcf-lc-blue-bg);
    color: var(--qcf-lc-blue);
}
.qcf-quiz-q-text {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.5;
    color: inherit;
    margin: 0;
}
.qcf-quiz-q-body {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.qcf-quiz-criteria {
    background: var(--qcf-lc-surface);
    border: 1px solid var(--qcf-lc-border);
    border-radius: var(--qcf-lc-radius-sm);
    padding: 12px 14px;
}
.qcf-quiz-criteria-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--qcf-lc-muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 5px;
}
.qcf-quiz-criteria-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.qcf-quiz-criteria-list li {
    display: flex;
    align-items: flex-start;
    gap: 7px;
    font-size: 13px;
    line-height: 1.55;
}
.qcf-quiz-criteria-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--qcf-lc-blue);
    flex-shrink: 0;
    margin-top: 5px;
}

/* Essay textarea — injected before the existing wpProQuiz textarea via JS */
.qcf-quiz-essay-wrap {
    border: 1.5px solid var(--qcf-lc-border);
    border-radius: var(--qcf-lc-radius-sm);
    overflow: hidden;
    transition: border-color .15s;
}
.qcf-quiz-essay-wrap:focus-within {
    border-color: var(--qcf-signal, var(--qcf-lc-blue));
}
.qcf-quiz-essay-toolbar {
    background: var(--qcf-lc-surface);
    border-bottom: 1px solid var(--qcf-lc-border);
    padding: 6px 10px;
    display: flex;
    gap: 12px;
    align-items: center;
}
.qcf-quiz-essay-toolbar button {
    background: none;
    border: none;
    padding: 2px 4px;
    cursor: pointer;
    font-size: 13px;
    color: var(--qcf-lc-muted);
    border-radius: 4px;
    line-height: 1;
}
.qcf-quiz-essay-toolbar button:hover {
    background: var(--qcf-lc-border);
    color: inherit;
}
.qcf-quiz-essay-char-count {
    margin-left: auto;
    font-size: 11px;
    color: var(--qcf-lc-muted);
}

.qcf-quiz-attach {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border: 1.5px dashed var(--qcf-lc-border);
    border-radius: var(--qcf-lc-radius-sm);
    font-size: 13px;
    color: var(--qcf-lc-muted);
    cursor: pointer;
    transition: border-color .12s, background .12s;
}
.qcf-quiz-attach:hover {
    border-color: var(--qcf-signal, var(--qcf-lc-blue));
    background: var(--qcf-lc-blue-bg);
    color: var(--qcf-lc-blue);
}
.qcf-quiz-attach input[type="file"] {
    display: none;
}
.qcf-quiz-attach-icon { font-size: 16px; }

.qcf-quiz-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    padding: 12px 20px;
    background: var(--qcf-lc-surface);
    border-top: 1px solid var(--qcf-lc-border);
    font-size: 12px;
    color: var(--qcf-lc-muted);
}
.qcf-quiz-footer-note {
    display: flex;
    align-items: center;
    gap: 5px;
}
.qcf-quiz-footer-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.qcf-quiz-btn {
    font-size: 13px;
    font-weight: 500;
    padding: 7px 16px;
    border-radius: var(--qcf-lc-radius-sm);
    border: 1.5px solid var(--qcf-lc-border);
    background: #fff;
    color: inherit;
    cursor: pointer;
    transition: background .12s;
}
.qcf-quiz-btn:hover { background: var(--qcf-lc-surface); }
.qcf-quiz-btn-submit {
    background: var(--qcf-signal, var(--qcf-lc-blue));
    color: #fff;
    border-color: var(--qcf-signal, var(--qcf-lc-blue));
    display: flex;
    align-items: center;
    gap: 6px;
}
.qcf-quiz-btn-submit:hover {
    opacity: .88;
    background: var(--qcf-signal, var(--qcf-lc-blue));
}

/* ═══════════════════════════════════════════════════════════════════════
   Course description page — .qcf-cd-wrap
   Rendered in sfwd-courses post_content, inside BuddyBoss course page.
═══════════════════════════════════════════════════════════════════════ */
.qcf-cd-wrap {
    --qcf-cd-blue:        #1d6fb8;
    --qcf-cd-blue-bg:     #eff6ff;
    --qcf-cd-green:       #166534;
    --qcf-cd-green-bg:    #f0fdf4;
    --qcf-cd-muted:       #6b7280;
    --qcf-cd-border:      #e5e7eb;
    --qcf-cd-surface:     #f9fafb;
    --qcf-cd-radius:      10px;
    --qcf-cd-radius-sm:   6px;
    font-family: inherit;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
    padding: 8px 0 32px;
}

.qcf-cd-intro {
    font-size: 15px;
    line-height: 1.75;
    color: inherit;
    margin: 0;
}

/* Stats row */
.qcf-cd-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
@media (max-width: 540px) {
    .qcf-cd-stats { grid-template-columns: repeat(2, 1fr); }
}
.qcf-cd-stat {
    background: var(--qcf-cd-surface);
    border: 1px solid var(--qcf-cd-border);
    border-radius: var(--qcf-cd-radius);
    padding: 14px 16px;
    text-align: center;
}
.qcf-cd-stat-num {
    font-size: 26px;
    font-weight: 700;
    color: var(--qcf-cd-blue);
    line-height: 1;
}
.qcf-cd-stat-lbl {
    font-size: 12px;
    color: var(--qcf-cd-muted);
    margin-top: 4px;
}

/* Section titles */
.qcf-cd-section-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--qcf-cd-muted);
    margin-bottom: -8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Units */
.qcf-cd-units {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.qcf-cd-unit {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--qcf-cd-surface);
    border: 1px solid var(--qcf-cd-border);
    border-left: 3px solid var(--qcf-cd-blue);
    border-radius: var(--qcf-cd-radius);
    padding: 14px 16px;
}
.qcf-cd-unit-badge {
    font-size: 12px;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    background: var(--qcf-cd-blue-bg);
    color: var(--qcf-cd-blue);
    border-radius: var(--qcf-cd-radius-sm);
    padding: 4px 10px;
    flex-shrink: 0;
    margin-top: 2px;
}
.qcf-cd-unit-body { flex: 1; }
.qcf-cd-unit-title {
    font-size: 14px;
    font-weight: 600;
    color: inherit;
    margin-bottom: 3px;
}
.qcf-cd-unit-meta {
    font-size: 12px;
    color: var(--qcf-cd-muted);
    margin-bottom: 8px;
}
.qcf-cd-ac-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}
.qcf-cd-ac-chip {
    font-size: 11px;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    padding: 2px 9px;
    border-radius: 100px;
    background: #fff;
    border: 1px solid var(--qcf-cd-border);
    color: var(--qcf-cd-blue);
}

/* Sessions grid */
.qcf-cd-sessions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}
@media (max-width: 600px) {
    .qcf-cd-sessions { grid-template-columns: repeat(2, 1fr); }
}
.qcf-cd-session {
    background: var(--qcf-cd-surface);
    border: 1px solid var(--qcf-cd-border);
    border-radius: var(--qcf-cd-radius-sm);
    padding: 10px 12px;
}
.qcf-cd-session-num {
    font-size: 11px;
    font-weight: 700;
    color: var(--qcf-cd-blue);
    margin-bottom: 3px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.qcf-cd-session-name {
    font-size: 12px;
    color: inherit;
    line-height: 1.4;
}
.qcf-cd-session-unit {
    font-size: 10px;
    font-family: 'Courier New', monospace;
    color: var(--qcf-cd-muted);
    margin-top: 4px;
}

/* Learning outcomes */
.qcf-cd-outcomes {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.qcf-cd-outcome {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    line-height: 1.5;
    color: inherit;
}
.qcf-cd-outcome-check {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--qcf-cd-green-bg);
    color: var(--qcf-cd-green);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 1px;
    font-size: 11px;
    font-weight: 700;
}

/* Delivery cards */
.qcf-cd-delivery {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}
@media (max-width: 540px) {
    .qcf-cd-delivery { grid-template-columns: 1fr; }
}
.qcf-cd-delivery-item {
    background: var(--qcf-cd-surface);
    border: 1px solid var(--qcf-cd-border);
    border-radius: var(--qcf-cd-radius);
    padding: 14px 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.qcf-cd-delivery-icon {
    font-size: 20px;
    flex-shrink: 0;
    line-height: 1;
    margin-top: 1px;
}
.qcf-cd-delivery-label {
    font-size: 13px;
    font-weight: 600;
    color: inherit;
    margin-bottom: 3px;
}
.qcf-cd-delivery-desc {
    font-size: 12px;
    color: var(--qcf-cd-muted);
    line-height: 1.5;
}