h1 {
            text-align: center;
            color: #333;
            margin: 30px 0;
        }
        .upload-area {
            border: 2px dashed #4CAF50;
            border-radius: 10px;
            padding: 40px;
            text-align: center;
            cursor: pointer;
            background-color: #ffffff;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            transition: background-color 0.3s ease, border-color 0.3s ease;
        }
        .upload-area.dragover {
            background-color: #e8f8e8;
            border-color: #45a049;
        }
        .image-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 30px;
            gap: 20px;
        }
        .image-item {
            position: relative;
            background-color: #fff;
            border-radius: 8px;
            overflow: hidden;
            width: 180px;
            height: 180px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }
        .image-item:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
        }
        .image-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .image-item span {
            position: absolute;
            bottom: 10px;
            left: 10px;
            color: #fff;
            background-color: rgba(0, 0, 0, 0.6);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
        }
        .edit-btn, .delete-btn, .copy-btn {
            position: absolute;
            top: 10px;
            background-color: rgba(0, 0, 0, 0.6);
            color: white;
            border: none;
            padding: 6px;
            cursor: pointer;
            border-radius: 50%;
            font-size: 16px;
            transition: background-color 0.3s ease;
        }
        .edit-btn {
            right: 90px;
        }
        .delete-btn {
            right: 50px;
        }
        .copy-btn {
            right: 10px;
        }
        .edit-btn:hover, .delete-btn:hover, .copy-btn:hover {
            background-color: rgba(0, 0, 0, 0.8);
        }
        .progress-bar {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 5px;
            background-color: #4caf50;
            border-radius: 0 0 5px 5px;
        }
        #crop-modal {
            position: fixed;
            top: 50%;
            left: 50%;
            max-height: 70%;
            transform: translate(-50%, -50%);
            background-color: #fff;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            display: none;
        }
        #crop-modal img {
            max-height: 100%;
            max-width: 100%;
            border-radius: 10px;
        }
        #crop-modal .modal-footer {
            margin-top: 15px;
            text-align: right;
        }
        #crop-modal button {
            padding: 8px 20px;
            font-size: 16px;
            cursor: pointer;
            margin: 5px;
            border-radius: 5px;
            border: none;
            background-color: #4caf50;
            color: #fff;
            transition: background-color 0.3s;
        }
        #crop-modal button:hover {
            background-color: #45a049;
        }
        #submit-btn {
            background-color: #4CAF50;
            color: white;
            font-size: 18px;
            padding: 12px 30px;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            transition: background-color 0.3s ease;
            margin-top: 30px;
            display: block;
            margin-left: auto;
            margin-right: auto;
        }
        #submit-btn:hover {
            background-color: #45a049;
        }
        #progress-message {
            text-align: center;
            margin-top: 20px;
            font-size: 16px;
        }