.summary-card {
    background: var(--bg-card);
    border: 1px solid var(--border-divider);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 150px; /* Aligned with preview panel sticky offset */
    transition: var(--transition-base);
}

.summary-card:hover {
    box-shadow: var(--shadow-md);
}

.summary-title {
    font-size: 28px;
    font-weight: 600;
    margin: 0 0 16px 0;
    color: var(--text-primary);
    letter-spacing: -1px;
    line-height: 1.2;
}

.summary-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 15px;
}

.summary-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
    border: 1px solid var(--border-divider);
}

.summary-content {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
}

.summary-attributes {
    margin-top: 15px;
    border-top: 1px solid var(--border-divider);
    padding-top: 15px;
}

.attr-item {
    font-size: 14px;
    margin-bottom: 8px;
    line-height:1.4;
}

.attr-item strong {
    font-weight: 600;
}

.summary-links {
    margin-top: 15px;
    font-size: 14px;
}

.summary-links a {
    color: var(--text-link);
    text-decoration: none;
}

.summary-links a:hover {
    text-decoration: underline;
}