/* LMS — Learning Management System
   Uses global design tokens from custom.css and bd2-card patterns from booking-detail-v2.css. */

/* ---------- Shell ---------- */

.lms-shell {
    max-width: 960px;
    margin: 40px auto 80px;
    padding: 0 20px;
}

/* ---------- Page header ---------- */

.lms-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 2rem;
}

.lms-page-title {
    font-family: 'Raleway', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin: 0;
}

.lms-page-title i {
    color: var(--lapdog-teal);
    margin-right: 8px;
    font-size: 1.5rem;
}

/* ---------- Back link ---------- */

.lms-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.88rem;
    text-decoration: none;
    margin-bottom: 1.25rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}
.lms-back-link:hover {
    color: var(--text-primary);
    text-decoration: none;
}

/* ---------- Subject filter ---------- */

.lms-subject-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.lms-filter-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.lms-filter-pill:hover {
    color: var(--lapdog-teal);
    border-color: var(--lapdog-teal);
    text-decoration: none;
}

.lms-filter-pill.active {
    color: var(--white);
    background: var(--lapdog-teal);
    border-color: var(--lapdog-teal);
}

.lms-filter-count {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.08);
    line-height: 1.4;
}

.lms-filter-pill.active .lms-filter-count {
    background: rgba(255, 255, 255, 0.25);
}

/* ---------- Course cards (instructor list) ---------- */

.lms-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 2rem;
}

.lms-course-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    position: relative;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.lms-course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--lapdog-teal), var(--lapdog-teal-light));
    opacity: 0.85;
    z-index: 1;
}
.lms-course-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.lms-course-card-body {
    padding: 20px;
}

.lms-course-card-subject {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--lapdog-teal);
    margin-bottom: 8px;
    padding: 3px 10px;
    background: var(--soft-sage);
    border-radius: var(--radius-full);
}

.lms-course-card-title {
    font-family: 'Raleway', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 8px;
    line-height: 1.3;
}

.lms-course-card-overview {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lms-course-card-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.lms-access-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    letter-spacing: 0.3px;
}

.lms-access-badge.parent {
    background: #EDE7F6;
    color: #5E35B1;
}
.lms-access-badge.provider {
    background: var(--success-bg);
    color: var(--success-green);
}
.lms-access-badge.subscriber {
    background: var(--warning-bg);
    color: #b26a00;
}

.lms-course-card-footer {
    padding: 12px 20px;
    background: #f8f9fb;
    border-top: 1px solid var(--border-light);
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.lms-course-card-date {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ---------- Action buttons ---------- */

.lms-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    line-height: 1.4;
}

.lms-btn-primary {
    background: linear-gradient(135deg, var(--lapdog-teal), var(--lapdog-teal-dark));
    color: var(--white);
    box-shadow: var(--shadow-teal);
}
.lms-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(53, 134, 184, 0.35);
    color: var(--white);
    text-decoration: none;
}

.lms-btn-secondary {
    background: var(--white);
    color: var(--text-secondary);
    border: 1px solid var(--border-medium);
}
.lms-btn-secondary:hover {
    border-color: var(--lapdog-teal);
    color: var(--lapdog-teal);
    text-decoration: none;
}

.lms-btn-danger {
    background: transparent;
    color: var(--danger-red);
    border: 1px solid var(--danger-red);
}
.lms-btn-danger:hover {
    background: var(--danger-bg);
    text-decoration: none;
}

.lms-btn-sm {
    padding: 5px 14px;
    font-size: 0.8rem;
}

/* ---------- Form card ---------- */

.lms-form-card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    position: relative;
    margin-bottom: 1.5rem;
}
.lms-form-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--lapdog-teal), var(--lapdog-teal-light));
    opacity: 0.85;
    z-index: 1;
    border-radius: 12px 12px 0 0;
}

.lms-form-card-header {
    padding: 14px 20px;
    background: #f8f9fb;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.lms-form-card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--lapdog-teal-dark);
    font-family: 'Raleway', sans-serif;
    margin: 0;
}
.lms-form-card-title i {
    font-size: 0.9rem;
    color: var(--lapdog-teal);
}

.lms-form-card-body {
    padding: 24px;
}

/* ---------- Form fields ---------- */

.lms-form-group {
    margin-bottom: 20px;
}

.lms-form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.lms-form-group .form-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.lms-form-group input[type="text"],
.lms-form-group input[type="url"],
.lms-form-group input[type="email"],
.lms-form-group textarea,
.lms-form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.lms-form-group input:focus,
.lms-form-group textarea:focus,
.lms-form-group select:focus {
    outline: none;
    border-color: var(--lapdog-teal);
    box-shadow: 0 0 0 3px rgba(53, 134, 184, 0.12);
}

.lms-form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.lms-form-group .helptext {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.lms-form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--warm-cream);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
}

.lms-form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--lapdog-teal);
}

.lms-form-check label {
    margin: 0;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
}

.lms-form-actions {
    display: flex;
    gap: 12px;
    padding-top: 8px;
    flex-wrap: wrap;
}

/* ---------- Formset (modules) ---------- */

.lms-formset-item {
    padding: 20px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    background: var(--warm-cream);
    position: relative;
}

.lms-formset-item .lms-form-group {
    margin-bottom: 12px;
}
.lms-formset-item .lms-form-group:last-child {
    margin-bottom: 0;
}

.lms-formset-remove {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}
.lms-formset-remove:hover {
    border-color: var(--danger-red);
    color: var(--danger-red);
    background: var(--danger-bg);
}

/* ---------- Content management (module content list) ---------- */

.lms-content-add-dropdown {
    position: relative;
}

.lms-content-add-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 6px;
    background: var(--white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 20;
    min-width: 160px;
    overflow: hidden;
}
.lms-content-add-menu.active {
    display: block;
}

.lms-content-add-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    transition: background var(--transition-fast);
}
.lms-content-add-option:hover {
    background: var(--soft-sage);
    color: var(--lapdog-teal-dark);
    text-decoration: none;
}
.lms-content-add-option i {
    width: 18px;
    text-align: center;
    color: var(--lapdog-teal);
}

.lms-content-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lms-content-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--white);
    transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
    cursor: grab;
}
.lms-content-item:hover {
    border-color: var(--border-medium);
    box-shadow: var(--shadow-sm);
}
.lms-content-item.dragging {
    opacity: 0.5;
    box-shadow: var(--shadow-md);
}

.lms-content-item-drag {
    color: var(--border-medium);
    font-size: 0.9rem;
    cursor: grab;
    flex-shrink: 0;
}

.lms-content-item-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--soft-sage);
    border-radius: var(--radius-sm);
    color: var(--lapdog-teal);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.lms-content-item-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.lms-content-item-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lms-content-item-type {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    font-weight: 600;
}

.lms-content-item-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

/* ---------- Delete confirmation ---------- */

.lms-delete-confirm {
    text-align: center;
    padding: 20px 0;
}

.lms-delete-confirm .lms-delete-icon {
    font-size: 3rem;
    color: var(--danger-red);
    margin-bottom: 16px;
    opacity: 0.7;
}

.lms-delete-confirm p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.lms-delete-confirm strong {
    color: var(--text-primary);
}

/* ---------- Empty state ---------- */

.lms-empty-state {
    text-align: center;
    padding: 60px 20px;
}

.lms-empty-state i {
    font-size: 3rem;
    color: var(--border-medium);
    margin-bottom: 16px;
}

.lms-empty-state h3 {
    font-family: 'Raleway', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.lms-empty-state p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* =============================================
   CATALOG (learner-facing)
   ============================================= */

.lms-catalog-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    position: relative;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
    text-decoration: none;
    color: inherit;
}
.lms-catalog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--lapdog-teal), var(--lapdog-teal-light));
    opacity: 0.85;
    z-index: 1;
}
.lms-catalog-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    text-decoration: none;
    color: inherit;
}

.lms-catalog-card-body {
    padding: 20px;
    flex: 1;
}

.lms-catalog-card-footer {
    padding: 12px 20px;
    background: #f8f9fb;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lms-catalog-module-count {
    font-size: 0.82rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.lms-catalog-arrow {
    color: var(--lapdog-teal);
    transition: transform var(--transition-fast);
}
.lms-catalog-card:hover .lms-catalog-arrow {
    transform: translateX(4px);
}

/* ---------- Course hero (detail page) ---------- */

.lms-course-hero {
    background: linear-gradient(135deg, #034078 0%, #002a53 100%);
    border-radius: 14px;
    padding: 32px 36px;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(3, 64, 120, 0.25);
}
.lms-course-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(50, 95, 153, 0.35) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.lms-course-hero-main {
    flex: 1 1 340px;
    min-width: 0;
    position: relative;
    z-index: 1;
}

.lms-course-hero-subject {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
    padding: 4px 14px;
    background: rgba(255,255,255,0.1);
    border-radius: 999px;
    backdrop-filter: blur(4px);
}

.lms-course-hero-title {
    margin: 0 0 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    font-family: 'Raleway', sans-serif;
    letter-spacing: -0.01em;
}

.lms-course-hero-overview {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
    margin: 0;
}

.lms-course-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 16px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
}
.lms-course-hero-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.lms-course-hero-sponsors {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.lms-sponsor-badge {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 16px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.12);
}
.lms-sponsor-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: rgba(255,255,255,0.5);
}
.lms-sponsor-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
}

/* ---------- Module list (course detail) ---------- */

.lms-module-list {
    display: flex;
    flex-direction: column;
}

.lms-module-list-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    text-decoration: none;
    color: inherit;
    transition: background var(--transition-fast);
    border-bottom: 1px solid var(--border-light);
}
.lms-module-list-item:last-child {
    border-bottom: none;
}
.lms-module-list-item:hover {
    background: var(--warm-cream);
    text-decoration: none;
    color: inherit;
}

.lms-module-list-number {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--soft-sage);
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--lapdog-teal-dark);
    flex-shrink: 0;
}

.lms-module-list-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.lms-module-list-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.lms-module-list-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.lms-module-list-arrow {
    color: var(--border-medium);
    transition: color var(--transition-fast), transform var(--transition-fast);
    flex-shrink: 0;
}
.lms-module-list-item:hover .lms-module-list-arrow {
    color: var(--lapdog-teal);
    transform: translateX(3px);
}

/* =============================================
   MODULE VIEWER (learner-facing)
   ============================================= */

.lms-viewer-header {
    margin-bottom: 2rem;
    text-align: center;
}

.lms-viewer-progress {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
}

.lms-viewer-progress-step {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 700;
    background: var(--border-light);
    color: var(--text-muted);
    transition: all var(--transition-base);
}
.lms-viewer-progress-step a {
    color: inherit;
    text-decoration: none;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lms-viewer-progress-step.completed {
    background: var(--success-bg);
    color: var(--success-green);
}
.lms-viewer-progress-step.active {
    background: linear-gradient(135deg, var(--lapdog-teal), var(--lapdog-teal-dark));
    color: var(--white);
    box-shadow: var(--shadow-teal);
}

.lms-viewer-title {
    font-family: 'Raleway', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin: 0 0 8px;
}

.lms-viewer-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

/* ---------- Content blocks ---------- */

.lms-viewer-contents {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 3rem;
}

.lms-viewer-block {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    overflow: hidden;
}

.lms-viewer-text {
    padding: 24px;
}

.lms-viewer-block-title {
    font-family: 'Raleway', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.lms-viewer-block-title i {
    color: var(--lapdog-teal);
}

.lms-viewer-text-body {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}
.lms-viewer-text-body p {
    margin-bottom: 1em;
}
.lms-viewer-text-body p:last-child {
    margin-bottom: 0;
}
.lms-viewer-text-body h1,
.lms-viewer-text-body h2,
.lms-viewer-text-body h3,
.lms-viewer-text-body h4 {
    color: var(--text-primary);
    font-weight: 700;
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    line-height: 1.3;
}
.lms-viewer-text-body h1 { font-size: 1.4rem; }
.lms-viewer-text-body h2 { font-size: 1.2rem; }
.lms-viewer-text-body h3 { font-size: 1.05rem; }
.lms-viewer-text-body h4 { font-size: 0.95rem; }
.lms-viewer-text-body h1:first-child,
.lms-viewer-text-body h2:first-child,
.lms-viewer-text-body h3:first-child,
.lms-viewer-text-body h4:first-child {
    margin-top: 0;
}
.lms-viewer-text-body ul,
.lms-viewer-text-body ol {
    margin-bottom: 1em;
    padding-left: 1.5em;
}
.lms-viewer-text-body ul { list-style: disc; }
.lms-viewer-text-body ol { list-style: decimal; }
.lms-viewer-text-body li {
    margin-bottom: 0.35em;
}
.lms-viewer-text-body strong {
    color: var(--text-primary);
    font-weight: 600;
}
.lms-viewer-text-body a {
    color: var(--ocean);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.lms-viewer-text-body a:hover {
    color: var(--yale);
}
.lms-viewer-text-body code {
    background: var(--surface-secondary, #f3f4f6);
    padding: 0.15em 0.4em;
    border-radius: 4px;
    font-size: 0.88em;
}
.lms-viewer-text-body pre {
    background: var(--surface-secondary, #f3f4f6);
    padding: 1em;
    border-radius: var(--radius-md, 8px);
    overflow-x: auto;
    margin-bottom: 1em;
}
.lms-viewer-text-body pre code {
    background: none;
    padding: 0;
}
.lms-viewer-text-body blockquote {
    border-left: 3px solid var(--ocean);
    padding-left: 1em;
    margin: 1em 0;
    color: var(--text-secondary);
    font-style: italic;
}
.lms-viewer-text-body hr {
    border: none;
    border-top: 1px solid var(--border, #e5e7eb);
    margin: 1.5em 0;
}

.lms-viewer-media {
    padding: 24px;
}

.lms-viewer-image-wrap {
    border-radius: var(--radius-md);
    overflow: hidden;
}
.lms-viewer-image-wrap img {
    width: 100%;
    height: auto;
    display: block;
}

.lms-viewer-video-wrap {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
}
.lms-viewer-video-wrap iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.lms-viewer-file {
    padding: 24px;
}

/* ---------- Module navigation ---------- */

.lms-viewer-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

/* ---------- Instructor: interactive form helpers ---------- */

.lms-mc-choices-section {
    margin-bottom: 1.25rem;
}

.lms-mc-choice-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.lms-mc-choice-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--soft-sage);
    color: var(--lapdog-teal);
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.lms-mc-choice-input {
    flex: 1;
}

.lms-mc-correct-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    flex-shrink: 0;
}

.lms-mc-correct-toggle input[type="checkbox"] {
    accent-color: var(--success-green);
    width: 18px;
    height: 18px;
}

.lms-content-add-divider {
    height: 1px;
    background: var(--border-light);
    margin: 4px 0;
}

.lms-dynamic-item-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.lms-dynamic-item-num {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.85rem;
    min-width: 24px;
    text-align: right;
}

.lms-dynamic-item-icon {
    color: var(--text-muted);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.lms-dynamic-item-row .form-control {
    flex: 1;
}

.lms-dynamic-remove-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: none;
    background: none;
    color: var(--text-muted);
    border-radius: var(--radius-full);
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.lms-dynamic-remove-btn:hover {
    background: var(--danger-bg, #fde8e8);
    color: var(--danger-red, #dc3545);
}

.lms-dynamic-card-row {
    background: var(--bg-light, #f8f9fa);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 12px;
    margin-bottom: 12px;
}

.lms-dynamic-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.lms-dynamic-card-num {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--lapdog-teal);
}

.lms-dynamic-card-fields {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.lms-dynamic-card-field label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

/* ---------- Viewer: Interactive content shared ---------- */

.lms-viewer-interactive {
    padding: 28px 24px;
}

.lms-interactive-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    margin-bottom: 14px;
}

.lms-interactive-kicker.quiz {
    background: var(--soft-sage);
    color: var(--lapdog-teal-dark);
}

.lms-interactive-kicker.activity {
    background: var(--warning-bg);
    color: var(--warning-amber);
}

.lms-interactive-kicker.learn {
    background: #e8f4fd;
    color: #1976d2;
}

/* ---------- Viewer: Multiple Choice ---------- */

.lms-quiz-question {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.lms-quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.lms-quiz-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 0.95rem;
    line-height: 1.4;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

.lms-quiz-option:hover:not(.answered) {
    border-color: var(--lapdog-teal);
    background: var(--soft-sage);
    box-shadow: 0 2px 8px rgba(53, 134, 184, 0.12);
    transform: translateX(4px);
}

.lms-quiz-option-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--soft-sage);
    color: var(--lapdog-teal);
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.lms-quiz-option.correct {
    border-color: var(--success-green);
    background: var(--success-bg);
    box-shadow: 0 2px 8px rgba(45, 157, 120, 0.15);
}

.lms-quiz-option.correct .lms-quiz-option-label {
    background: var(--success-green);
    color: var(--white);
}

.lms-quiz-option.incorrect {
    border-color: var(--danger-red);
    background: var(--danger-bg);
}

.lms-quiz-option.incorrect .lms-quiz-option-label {
    background: var(--danger-red);
    color: var(--white);
}

.lms-quiz-option.answered {
    cursor: default;
    transform: none;
}

.lms-quiz-option .lms-quiz-feedback-icon {
    margin-left: auto;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.lms-quiz-option.correct .lms-quiz-feedback-icon {
    color: var(--success-green);
}

.lms-quiz-option.incorrect .lms-quiz-feedback-icon {
    color: var(--danger-red);
}

.lms-quiz-explanation {
    display: none;
    padding: 16px 20px;
    background: var(--soft-sage);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.92rem;
    line-height: 1.6;
    border-left: 3px solid var(--lapdog-teal);
    animation: lms-fadeSlideIn 0.3s ease;
}

.lms-quiz-explanation.visible {
    display: block;
}

.lms-quiz-explanation i {
    color: var(--lapdog-teal);
    margin-right: 8px;
}

@keyframes lms-fadeSlideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Viewer: True / False ---------- */

.lms-tf-statement {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.6;
    padding: 20px 24px;
    background: linear-gradient(135deg, #f8f9fb 0%, var(--soft-sage) 100%);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--lapdog-teal);
    position: relative;
}

.lms-tf-statement::before {
    content: '\201C';
    position: absolute;
    top: 8px;
    left: 12px;
    font-size: 2.5rem;
    color: var(--lapdog-teal-light);
    opacity: 0.4;
    font-family: Georgia, serif;
    line-height: 1;
}

.lms-tf-buttons {
    display: flex;
    gap: 14px;
    margin-bottom: 16px;
}

.lms-tf-btn {
    flex: 1;
    padding: 18px 16px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    background: var(--white);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 700;
    text-align: center;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.lms-tf-btn i {
    font-size: 1.2rem;
}

.lms-tf-btn:hover:not(.answered) {
    border-color: var(--lapdog-teal);
    background: var(--soft-sage);
    box-shadow: 0 4px 12px rgba(53, 134, 184, 0.12);
    transform: translateY(-2px);
}

.lms-tf-btn.correct {
    border-color: var(--success-green);
    background: var(--success-bg);
    color: var(--success-green);
    box-shadow: 0 4px 12px rgba(45, 157, 120, 0.2);
}

.lms-tf-btn.incorrect {
    border-color: var(--danger-red);
    background: var(--danger-bg);
    color: var(--danger-red);
}

.lms-tf-btn.answered {
    cursor: default;
    transform: none;
}

/* ---------- Viewer: Ordering ---------- */

.lms-ordering-instructions {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
    font-style: italic;
}

.lms-ordering-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
    counter-reset: ordering;
}

.lms-ordering-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--white);
    cursor: grab;
    transition: all var(--transition-base);
    user-select: none;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
    touch-action: none;
}

.lms-ordering-item:hover:not(.checked) {
    border-color: var(--lapdog-teal-light);
    box-shadow: 0 2px 8px rgba(53, 134, 184, 0.1);
}

.lms-ordering-item:active:not(.checked) {
    cursor: grabbing;
    box-shadow: var(--shadow-md);
    transform: scale(1.01);
}

.lms-ordering-item.dragging {
    opacity: 0.4;
    box-shadow: none;
}

.lms-ordering-item.touch-dragging {
    opacity: 0.9;
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
    transform: scale(1.03);
    pointer-events: none;
}

.lms-ordering-placeholder {
    border: 2px dashed var(--lapdog-teal-light);
    border-radius: var(--radius-md);
    background: rgba(53, 134, 184, 0.05);
}

.lms-ordering-item .lms-ordering-grip {
    color: var(--text-muted);
    flex-shrink: 0;
    font-size: 0.9rem;
}

.lms-ordering-item .lms-ordering-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: var(--soft-sage);
    color: var(--lapdog-teal);
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.lms-ordering-item .lms-ordering-text {
    flex: 1;
    font-size: 0.95rem;
    line-height: 1.4;
}

.lms-ordering-item.correct {
    border-color: var(--success-green);
    background: var(--success-bg);
}

.lms-ordering-item.correct .lms-ordering-num {
    background: var(--success-green);
    color: var(--white);
}

.lms-ordering-item.incorrect {
    border-color: var(--danger-red);
    background: var(--danger-bg);
}

.lms-ordering-item.incorrect .lms-ordering-num {
    background: var(--danger-red);
    color: var(--white);
}

.lms-ordering-item.checked {
    cursor: default;
}

.lms-ordering-actions {
    display: flex;
    gap: 10px;
}

.lms-ordering-result {
    display: none;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 12px;
    animation: lms-fadeSlideIn 0.3s ease;
}

.lms-ordering-result.visible {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lms-ordering-result.all-correct {
    background: var(--success-bg);
    color: var(--success-green);
    border: 1px solid rgba(45, 157, 120, 0.2);
}

.lms-ordering-result.has-errors {
    background: var(--danger-bg);
    color: var(--danger-red);
    border: 1px solid rgba(214, 69, 69, 0.2);
}

/* ---------- Viewer: Flashcard ---------- */

.lms-flashcard-container {
    perspective: 1200px;
    margin-bottom: 16px;
    position: relative;
}

.lms-flashcard-card.hidden {
    display: none;
}

.lms-flashcard-card {
    position: relative;
    width: 100%;
    cursor: pointer;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.lms-flashcard-card.flipped {
    transform: rotateY(180deg);
}

.lms-flashcard-front,
.lms-flashcard-back {
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    line-height: 1.6;
    min-height: 220px;
}

.lms-flashcard-front {
    background: linear-gradient(135deg, var(--lapdog-navy) 0%, var(--lapdog-navy-light, #0a5294) 100%);
    color: var(--white);
    font-size: 1.2rem;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(3, 64, 120, 0.2);
    position: relative;
    overflow: hidden;
}

.lms-flashcard-front::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(127, 180, 209, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.lms-flashcard-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    border: 2px solid var(--border-light);
    color: var(--text-primary);
    font-size: 1rem;
    transform: rotateY(180deg);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.lms-flashcard-front-label,
.lms-flashcard-back-label {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 12px;
    opacity: 0.6;
}

.lms-flashcard-hint {
    font-size: 0.78rem;
    opacity: 0.55;
    margin-top: 16px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.lms-flashcard-hint i {
    font-size: 0.7rem;
}

.lms-flashcard-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.lms-flashcard-counter {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 80px;
    text-align: center;
}

.lms-flashcard-nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-full);
    background: var(--white);
    cursor: pointer;
    color: var(--text-primary);
    transition: all var(--transition-base);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.lms-flashcard-nav-btn:hover:not(:disabled) {
    border-color: var(--lapdog-teal);
    color: var(--lapdog-teal);
    box-shadow: 0 2px 8px rgba(53, 134, 184, 0.15);
    transform: translateY(-1px);
}

.lms-flashcard-nav-btn:disabled {
    opacity: 0.25;
    cursor: default;
}

/* ---------- Viewer: Callout ---------- */

.lms-callout {
    padding: 20px 24px;
    border-radius: var(--radius-md);
    border-left: 4px solid;
    line-height: 1.65;
    position: relative;
    overflow: hidden;
}

.lms-callout::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    opacity: 0.06;
    pointer-events: none;
    transform: translate(30%, -30%);
}

.lms-callout-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 10px;
}

.lms-callout-header i {
    font-size: 1rem;
}

.lms-callout-body {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.65;
}

.lms-callout-body p { margin-bottom: 0.75em; }
.lms-callout-body p:last-child { margin-bottom: 0; }

.lms-callout.tip {
    background: linear-gradient(135deg, var(--soft-sage) 0%, #dce8f3 100%);
    border-color: var(--lapdog-teal);
}
.lms-callout.tip::before { background: var(--lapdog-teal); }
.lms-callout.tip .lms-callout-header { color: var(--lapdog-teal-dark); }

.lms-callout.warning {
    background: linear-gradient(135deg, var(--warning-bg) 0%, #faecd4 100%);
    border-color: var(--warning-amber);
}
.lms-callout.warning::before { background: var(--warning-amber); }
.lms-callout.warning .lms-callout-header { color: #b8860b; }

.lms-callout.info {
    background: linear-gradient(135deg, #e8f4fd 0%, #d4e9f8 100%);
    border-color: #2196f3;
}
.lms-callout.info::before { background: #2196f3; }
.lms-callout.info .lms-callout-header { color: #1565c0; }

.lms-callout.important {
    background: linear-gradient(135deg, var(--danger-bg) 0%, #f8d4d4 100%);
    border-color: var(--danger-red);
}
.lms-callout.important::before { background: var(--danger-red); }
.lms-callout.important .lms-callout-header { color: #b03030; }

/* ---------- Viewer: Checklist ---------- */

.lms-checklist-progress {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
    padding: 12px 16px;
    background: var(--soft-sage);
    border-radius: var(--radius-md);
}

.lms-checklist-progress-bar {
    flex: 1;
    height: 8px;
    background: rgba(255,255,255,0.7);
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.06);
}

.lms-checklist-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--lapdog-teal), var(--lapdog-teal-dark));
    border-radius: var(--radius-full);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.lms-checklist-progress-text {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--lapdog-teal-dark);
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.lms-checklist-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lms-checklist-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 18px;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}

.lms-checklist-item:hover {
    border-color: var(--lapdog-teal-light);
    box-shadow: 0 2px 6px rgba(53, 134, 184, 0.08);
}

.lms-checklist-item.checked {
    background: var(--success-bg);
    border-color: rgba(45, 157, 120, 0.3);
}

.lms-checklist-item input[type="checkbox"] {
    accent-color: var(--success-green);
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
    cursor: pointer;
}

.lms-checklist-label {
    cursor: pointer;
    line-height: 1.5;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.lms-checklist-item.checked .lms-checklist-label {
    text-decoration: line-through;
    color: var(--text-muted);
}

/* ---------- Responsive ---------- */

@media (max-width: 600px) {
    .lms-shell {
        margin: 20px auto 60px;
        padding: 0 16px;
    }

    .lms-page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .lms-page-title {
        font-size: 1.4rem;
    }

    .lms-course-grid {
        grid-template-columns: 1fr;
    }

    .lms-course-card-footer {
        flex-direction: column;
    }

    .lms-form-card-body {
        padding: 16px;
    }

    .lms-course-hero {
        padding: 24px 20px;
    }

    .lms-course-hero-title {
        font-size: 1.25rem;
    }

    .lms-viewer-title {
        font-size: 1.4rem;
    }

    .lms-viewer-progress-step {
        width: 30px;
        height: 30px;
        font-size: 0.7rem;
    }

    .lms-content-item {
        flex-wrap: wrap;
    }

    .lms-content-item-actions {
        width: 100%;
        justify-content: flex-end;
        padding-top: 8px;
        border-top: 1px solid var(--border-light);
    }

    .lms-mc-choice-row {
        flex-wrap: wrap;
    }

    .lms-viewer-interactive {
        padding: 20px 16px;
    }

    .lms-quiz-option {
        padding: 12px 14px;
        gap: 10px;
    }

    .lms-quiz-option-label {
        width: 30px;
        height: 30px;
        font-size: 0.8rem;
    }

    .lms-tf-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .lms-tf-btn {
        padding: 14px 16px;
    }

    .lms-tf-statement {
        padding: 16px 18px;
        font-size: 0.95rem;
    }

    .lms-flashcard-front,
    .lms-flashcard-back {
        padding: 28px 20px;
        min-height: 180px;
    }

    .lms-flashcard-front {
        font-size: 1.05rem;
    }

    .lms-dynamic-card-fields {
        grid-template-columns: 1fr;
    }

    .lms-ordering-item {
        padding: 12px 14px;
    }

    .lms-callout {
        padding: 16px 18px;
    }

    .lms-checklist-progress {
        padding: 10px 14px;
    }
}