.file-upload-container {
            margin-top: 8px;
        }
        
        .file-input {
            display: none;
        }
        
        .file-upload-label {
            display: inline-block;
            padding: 10px 16px;
            background: #f8f9fa;
            border: 2px dashed #dee2e6;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            width: 100%;
        }
        
        .file-upload-label:hover {
            background: #e9ecef;
            border-color: #007bff;
        }
        
        .file-upload-label i {
            margin-right: 8px;
            color: #6c757d;
        }
        
        .image-preview {
            margin-top: 12px;
            text-align: center;
        }
        
        .preview-error {
            color: #dc3545;
            font-size: 12px;
            margin-top: 8px;
        }
        
        .modal-form input[type="file"] {
            padding: 8px;
            border: 1px solid #ddd;
            border-radius: 4px;
            width: 100%;
        }