/* ========================================
   LESSONS CONTAINER (Generic)
   ======================================== */

.lessons-container {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 51, 102, 0.06);
    border: 1px solid rgba(51, 102, 153, 0.08);
}

.lessons-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

/* ========================================
   LESSON ITEM (Generic)
   ======================================== */

.lesson-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #f1f5f9;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    position: relative;
}

.lesson-item:hover {
    background: rgba(51, 102, 153, 0.02);
    transform: translateX(4px);
    text-decoration: none;
    color: inherit;
}

.lesson-item:last-child {
    border-bottom: none;
}

.lesson-content {
    flex-grow: 1;
    min-width: 0;
}

.lesson-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin: 0 0 0.5rem 0;
    line-height: 1.4;
}

.lesson-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0 0 0.75rem 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.lesson-arrow {
    color: #cbd5e1;
    font-size: 1.2rem;
    transition: var(--transition);
}

.lesson-item:hover .lesson-arrow {
    color: var(--primary-medium);
    transform: translateX(4px);
}

/* ========================================
   EMPTY STATE (Generic)
   ======================================== */

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    color: #cbd5e1;
    margin-bottom: 1.5rem;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .lesson-item {
        padding: 1rem;
        gap: 1rem;
    }

    .lesson-title {
        font-size: 1rem;
    }

    .lessons-header {
        padding: 1rem;
    }
}