#screen-picker-modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8); display: flex; flex-direction: column;
    align-items: center; justify-content: center; z-index: 9999; color: white;
}
.picker-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px; max-width: 80%; max-height: 70%; overflow-y: auto; padding: 20px;
}
.source-card {
    background: #333; padding: 10px; border-radius: 8px; cursor: pointer;
    text-align: center; transition: transform 0.2s;
}
.source-card:hover { transform: scale(1.05); background: #444; }
.source-card img { width: 100%; border-radius: 4px; margin-bottom: 8px; }