.lesson-overview {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-md);
}

.lesson-overview__header {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 3px solid var(--color-warning);
}

.lesson-overview__school-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin: 0 0 var(--space-xs);
}

.lesson-overview__period {
    font-size: 1rem;
    color: var(--color-secondary-dark);
    margin: 0 0 var(--space-md);
}

.lesson-overview__intro {
    margin: 0 0 var(--space-md);
    color: var(--color-text);
}

.lesson-overview__enrollment {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.lesson-overview__enrollment-note {
    font-size: 0.9rem;
    color: var(--color-secondary-dark);
    margin: 0;
}

.lesson-overview__enroll-button {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-info);
    color: white;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: background 0.15s ease;
}

.lesson-overview__enroll-button:hover {
    background: var(--color-info-dark, var(--color-info));
    text-decoration: none;
    color: white;
}

.lesson-overview__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.lesson-overview__card {
    display: grid;
    grid-template-columns: 300px 1fr;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
}

@media (max-width: 640px) {
    .lesson-overview__card {
        grid-template-columns: 1fr;
    }
}

.lesson-overview__card-image {
    min-height: 220px;
    overflow: hidden;
}

.lesson-overview__card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lesson-overview__image-placeholder {
    width: 100%;
    height: 100%;
    min-height: 220px;
    background: var(--color-background-grey);
}

.lesson-overview__card-content {
    padding: var(--space-md) var(--space-lg);
}

.lesson-overview__day {
    font-size: 0.875rem;
    color: var(--color-info);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-xs);
    padding-bottom: var(--space-xs);
    border-bottom: 2px solid var(--color-info);
    display: inline-block;
}

.lesson-overview__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-dark);
    margin: var(--space-xs) 0 var(--space-sm);
}

.lesson-overview__description {
    color: var(--color-text);
    line-height: 1.6;
    margin: 0 0 var(--space-sm);
}

.lesson-overview__note {
    font-size: 0.9rem;
    color: var(--color-secondary-dark);
    margin: 0 0 var(--space-md);
}

.lesson-overview__meta {
    list-style: none;
    margin: var(--space-md) 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-md);
}

.lesson-overview__meta-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
    font-size: 0.9rem;
    color: var(--color-text);
    padding-left: 1.5rem;
    position: relative;
}

.lesson-overview__meta-item::before {
    position: absolute;
    left: 0;
    color: var(--color-info);
    font-size: 1rem;
}

.lesson-overview__meta-item--dates::before { content: '📅'; }
.lesson-overview__meta-item--time::before  { content: '🕐'; }
.lesson-overview__meta-item--room::before  { content: '📍'; }

.lesson-overview__meta-label {
    font-weight: 600;
    margin-right: var(--space-xs);
}

.lesson-overview__empty {
    padding: var(--space-xl) var(--space-md);
    text-align: center;
    color: var(--color-secondary-dark);
}