.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem;
}

.preview-card {
    aspect-ratio: 16 / 10;
    background: linear-gradient(
        135deg,
        rgba(175,160,96,0.15),
        rgba(255,255,255,0.03)
    );
    border-radius: 16px;
    border: var(--border-thin);
}

.preview-card:hover {
    background: linear-gradient(
        135deg,
        rgba(175,160,96,0.25),
        rgba(255,255,255,0.05)
    );
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    transform: translateY(-4px);
    transition: all 0.3s ease;
}