.upload-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

@media (max-width: 576px) {
    .upload-grid {
        grid-template-columns: 1fr;
    }
}

.upload-box {
    border: 2px dashed #d1d5db;
    border-radius: 10px;
    padding: 18px;
    text-align: center;
    cursor: pointer;
    background: #fafafa;
    transition: .25s;
    min-height: 130px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.upload-box:hover {
    border-color: #0d6efd;
    background: #f0f7ff;
}

.upload-box.dragover {
    background: #e7f1ff;
    border-color: #0d6efd;
}

.upload-box.active {
    border-color: #198754;
    background: #e9f7ef;
}

.upload-icon {
    font-size: 26px;
}

.preview-box {
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 8px;
    background: #fff;
    text-align: center;
}

.preview-box img {
    max-height: 90px;
    object-fit: cover;
}

.file-meta {
    font-size: 11px;
    color: #666;
}