components/pdf-preview.js

class PdfPreview extends HTMLElement {
    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.shadowRoot.innerHTML = `
            <style>
                .preview-container {
                    border: 2px dashed #e2e8f0;
                    border-radius: 0.5rem;
                    padding: 1rem;
                    background-color: #f8fafc;
                    text-align: center;
                    transition: all 0.2s;
                }
                .preview-container:hover {
                    border-color: #818cf8;
                }
                .preview-text {
                    color: #64748b;
                    margin-bottom: 0.5rem;
                }
                .preview-image {
                    max-width: 100%;
                    max-height: 300px;
                    margin-top: 1rem;
                    border-radius: 0.25rem;
                    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
                }
            </style>
            <div class="preview-container">
                <p class="preview-text">PDF preview will appear here</p>
                <slot></slot>
            </div>
        `;
    }
}

customElements.define('pdf-preview', PdfPreview);