/* Lessons Page Specific Styles */

.lessons-header {
    grid-column: span 12 / span 12;
    text-align: center;
    padding: 4rem 2rem 2rem;
}

.lessons-title {
    font-size: 3rem;
    font-weight: bold;
    color: var(--flat-black);
    margin: 0 0 1rem;
}

.lessons-subtitle {
    font-size: 1.25rem;
    color: var(--flat-gray);
    margin: 0;
}

.lessons-filters {
    grid-column: span 12 / span 12;
    display: flex;
    gap: 2rem;
    padding: 2rem 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 500;
    color: var(--flat-gray);
}

.filter-select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    background: var(--whiteish);
    color: var(--flat-black);
    font-family: inherit;
    font-size: 1rem;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

.filter-select:hover {
    border-color: var(--flat-gray);
}

.filter-select:focus {
    outline: none;
    border-color: var(--flat-green);
}

.lessons-list {
    grid-column: span 12 / span 12;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 0 3rem 4rem;
}

.lesson-card {
    background: var(--whiteish);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    display: flex;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lesson-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.lesson-card.featured {
    border: 2px solid var(--flat-green);
}

.lesson-thumbnail {
    width: 200px;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
}

.lesson-thumbnail img {
    width: 80px;
    height: 80px;
}

.lesson-duration {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

.featured-badge {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    background: var(--flat-green);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: bold;
}

.lesson-content {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.lesson-topic {
    color: var(--flat-green);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.lesson-title {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--flat-black);
    margin: 0 0 0.75rem;
}

.lesson-description {
    color: var(--flat-gray);
    line-height: 1.6;
    margin: 0 0 1rem;
    flex-grow: 1;
}

.lesson-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.lesson-tag {
    padding: 0.25rem 0.75rem;
    background: var(--light-gray);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--flat-gray);
}

.lesson-tag.level-beginner {
    background: #e8f5e9;
    color: #2e7d32;
}

.lesson-tag.level-intermediate {
    background: #fff3e0;
    color: #ef6c00;
}

.lesson-tag.level-advanced {
    background: #fce4ec;
    color: #c2185b;
}

.lesson-action {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    border-left: 1px solid var(--light-gray);
}

.lesson-button {
    background: var(--flat-green);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color 0.2s ease;
    white-space: nowrap;
}

.lesson-button:hover {
    background: #7a9c75;
}

.lesson-button i {
    width: 18px;
    height: 18px;
}

/* Active menu item */
#navbar-menu .active,
.mobile-menu-link.active {
    color: var(--flat-green);
    font-weight: bold;
}

/* Responsive design */
@media (max-width: 768px) {
    .lessons-header {
        padding: 2rem 1rem 1rem;
    }

    .lessons-title {
        font-size: 2rem;
    }

    .lessons-subtitle {
        font-size: 1rem;
    }

    .lessons-filters {
        padding: 1rem;
        gap: 1rem;
    }

    .filter-group {
        flex: 1 1 100%;
    }

    .filter-select {
        width: 100%;
    }

    .lessons-list {
        padding: 0 1rem 2rem;
        gap: 1rem;
    }

    .lesson-card {
        flex-direction: column;
    }

    .lesson-thumbnail {
        width: 100%;
        height: 150px;
    }

    .lesson-action {
        border-left: none;
        border-top: 1px solid var(--light-gray);
        padding: 1rem;
    }

    .lesson-button {
        width: 100%;
        justify-content: center;
    }
}