Image Viewer by uploading files

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Comic Reader</title>
    <style>
        body {
            margin: 0;
            padding: 0;
            font-family: Arial, sans-serif;
            background-color: #222;
            color: white;
            overflow-x: hidden;
        }

        #header {
            background-color: #111;
            padding: 15px;
            text-align: center;
            box-shadow: 0 2px 10px rgba(0,0,0,0.5);
        }

        #comic-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px 0;
            transition: transform 0.3s ease;
        }

        .comic-page {
            max-width: 100%;
            margin-bottom: 20px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.3);
        }

        #upload-container {
            text-align: center;
            padding: 20px;
            background-color: #333;
            margin-bottom: 20px;
        }

        #file-input {
            display: none;
        }

        .upload-btn {
            background-color: #4CAF50;
            color: white;
            padding: 10px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
        }

        .upload-btn:hover {
            background-color: #45a049;
        }

        #zoom-controls {
            position: fixed;
            bottom: 20px;
            right: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .zoom-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #444;
            color: white;
            border: none;
            font-size: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 5px rgba(0,0,0,0.3);
        }

        .zoom-btn:hover {
            background-color: #555;
        }
    </style>
</head>
<body>
    <div id="header">
        <h1>Comic Reader</h1>
    </div>

    <div id="upload-container">
        <input type="file" id="file-input" accept="image/*" multiple>
        <button class="upload-btn" onclick="document.getElementById('file-input').click()">Upload Comic Pages</button>
    </div>

    <div id="comic-container"></div>

    <div id="zoom-controls">
        <button class="zoom-btn" id="zoom-in">+</button>
        <button class="zoom-btn" id="zoom-out">-</button>
        <button class="zoom-btn" id="zoom-reset">↻</button>
    </div>

    <script>
        const fileInput = document.getElementById('file-input');
        const comicContainer = document.getElementById('comic-container');
        const zoomInBtn = document.getElementById('zoom-in');
        const zoomOutBtn = document.getElementById('zoom-out');
        const zoomResetBtn = document.getElementById('zoom-reset');

        let currentScale = 1;

        fileInput.addEventListener('change', function(e) {
            const files = e.target.files;

            // Clear previous content
            comicContainer.innerHTML = '';

            if (files.length === 0) return;

            for (let i = 0; i < files.length; i++) {
                const file = files[i];

                if (!file.type.match('image.*')) continue;

                const reader = new FileReader();

                reader.onload = function(e) {
                    const img = document.createElement('img');
                    img.src = e.target.result;
                    img.className = 'comic-page';
                    comicContainer.appendChild(img);
                }

                reader.readAsDataURL(file);
            }
        });

        zoomInBtn.addEventListener('click', function() {
            currentScale *= 1.2;
            comicContainer.style.transform = `scale(${currentScale})`;
        });

        zoomOutBtn.addEventListener('click', function() {
            currentScale /= 1.2;
            comicContainer.style.transform = `scale(${currentScale})`;
        });

        zoomResetBtn.addEventListener('click', function() {
            currentScale = 1;
            comicContainer.style.transform = `scale(${currentScale})`;
        });
    </script>
</body>
</html>