File Upload Card

<!DOCTYPE html>
<title>My Example</title>

<style>
/* This is an optional body style to provide a background for the page */
body {
    background-color: #f3f4f6;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
}

/* Optional: a container to center the card on the page for demonstration */
.demo-container-upload {
    display: flex;
    justify-content: center;
    padding: 2rem;
}

/* === File Upload Card Styles === */
/* The label itself is the card and the drop zone */
.file-drop-zone {
    --upload-radius: 12px;
    --upload-shadow: 0 4px 10px rgba(0,0,0,0.06);
    --upload-accent-color: #4f46e5; /* Indigo */

max-width: 500px;
    width: 100%;
    
    background-color: #ffffff;
    border: 2px dashed #d1d5db;
    border-radius: var(--upload-radius);
    box-shadow: var(--upload-shadow);
    
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}
.file-drop-zone:hover {
    border-color: var(--upload-accent-color);
}
/* Style for when a file is dragged over the zone */
.file-drop-zone.is-dragover {
    border-style: solid;
    border-color: var(--upload-accent-color);
    background-color: #f9fafb;
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: var(--upload-accent-color);
    margin: 0 auto 1rem;
}

.upload-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: #374151;
    margin: 0;
}
.upload-text-secondary {
    font-size: 0.9rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

/* This is the hidden file input */
.file-input {
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    z-index: -1;
}

</style>

<div class="demo-container-upload">
    
    
    <label for="fileUpload" class="file-drop-zone">
        <input class="file-input" type="file" id="fileUpload" multiple>
        <svg class="upload-icon" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none"><path d="M3 15C3 17.8284 3 19.2426 3.87868 20.1213C4.75736 21 6.17157 21 9 21H15C17.8284 21 19.2426 21 20.1213 20.1213C21 19.2426 21 17.8284 21 15" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path> <path d="M12 16V3M12 3L16 7.375M12 3L8 7.375" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path></svg>
        <p class="upload-text-secondary">or click to browse</p>
    </label>

</div>

<script>
document.addEventListener('DOMContentLoaded', () => {
    const dropZone = document.querySelector('.file-drop-zone');
    const fileInput = document.querySelector('.file-input');

if (dropZone && fileInput) {
        // The label's default behavior handles opening the file browser.

// Add class on drag over
        dropZone.addEventListener('dragover', (e) => {
            e.preventDefault(); // This is necessary to allow a drop
            dropZone.classList.add('is-dragover');
        });

// Remove class on drag leave
        dropZone.addEventListener('dragleave', () => {
            dropZone.classList.remove('is-dragover');
        });

// Handle the dropped files
        dropZone.addEventListener('drop', (e) => {
            e.preventDefault();
            dropZone.classList.remove('is-dragover');
            
            const files = e.dataTransfer.files;
            if (files.length) {
                fileInput.files = files; // Assign files to the input
                // In a real application, you would trigger the upload process here.
                // For demonstration, we'll log the files to the console.
                console.log('Files dropped:', files);
            }
        });
        
        // Handle files selected via the browser dialog
        fileInput.addEventListener('change', () => {
             if (fileInput.files.length) {
                console.log('Files selected:', fileInput.files);
             }
        });
    }
});
</script>