.image-upload-container {
    margin: 20px 0;
}

.upload-area {
    border: 2px dashed #ccc;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #f9f9f9;
}

    .upload-area:hover, .upload-area.dragover {
        border-color: #4CAF50;
        background: #f0f8f0;
    }

.upload-icon {
    font-size: 48px;
    color: #999;
    margin-bottom: 10px;
}

.upload-limit {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}

.thumbnails-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.thumbnail-item {
    position: relative;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

    .thumbnail-item img {
        width: 100%;
        height: 150px;
        object-fit: cover;
        display: block;
    }

.thumbnail-delete {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(255, 0, 0, 0.8);
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

    .thumbnail-delete:hover {
        background: rgba(200, 0, 0, 1);
    }

.thumbnail-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
}

.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}