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1320 lines (1254 loc) · 68.2 KB
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<!DOCTYPE html>
<html lang="en" data-theme="dark">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>AstraPDF | Secure Offline PDF Toolbox</title>
<meta name="description" content="A premium, secure, and 100% offline PDF utility toolbox. Merge, split, organize, convert, sign, watermark, crop, scan, text extract, metadata edit, present, grayscale, image extract, and flatten PDF documents in your browser.">
<link rel="icon" type="image/png" href="icon.png">
<link rel="apple-touch-icon" href="icon-512.png">
<link rel="manifest" href="manifest.json">
<meta name="theme-color" content="#2563eb">
<!-- Open Graph / SEO / Social Media -->
<meta property="og:type" content="website">
<meta property="og:title" content="AstraPDF | Secure Offline PDF Toolbox">
<meta property="og:description" content="A premium, secure, and 100% offline PDF utility toolbox. Merge, split, organize, convert, sign, watermark, crop, scan, and edit metadata natively in your browser.">
<meta property="og:image" content="https://raw.githubusercontent.com/YourUsername/astrapdf/main/icon-512.png">
<meta name="twitter:card" content="summary_large_image">
<link rel="stylesheet" href="styles.css">
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap" rel="stylesheet">
<!-- CDNs (Precached via sw.js) -->
<script src="https://unpkg.com/pdf-lib@1.17.1/dist/pdf-lib.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/3.4.120/pdf.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js"></script>
<script src="https://unpkg.com/lucide@latest"></script>
<script src="https://cdn.jsdelivr.net/npm/tesseract.js@5.0.3/dist/tesseract.min.js"></script>
</head>
<body>
<!-- FULLSCREEN DRAG AND DROP OVERLAY -->
<div id="fullscreen-drag-overlay" class="drag-overlay">
<div class="drag-overlay-content">
<i data-lucide="file-up" class="pulse-icon"></i>
<h2>Drop files here</h2>
<p>Instantly load files into the current tool workspace</p>
</div>
</div>
<div class="app-layout">
<!-- APP SIDEBAR MENU (LEFT) -->
<aside class="app-sidebar no-print">
<div class="sidebar-header" id="sidebar-logo-home">
<div class="logo-wrapper">
<img src="icon.png" alt="AstraPDF Logo" style="width: 100%; height: 100%; border-radius: 14px; object-fit: cover;">
</div>
<div class="logo-text">
<h2>AstraPDF</h2>
<span class="version-tag">v1.0.0</span>
</div>
</div>
<nav class="sidebar-nav">
<button class="nav-link active" data-workspace="dashboard" id="nav-dashboard">
<i data-lucide="layout-grid"></i> Dashboard
</button>
<div class="nav-group-label">Core PDF Tools</div>
<button class="nav-link" data-workspace="merge" id="nav-merge">
<i data-lucide="shuffle"></i> Merge PDF
</button>
<button class="nav-link" data-workspace="split" id="nav-split">
<i data-lucide="scissors"></i> Split PDF
</button>
<button class="nav-link" data-workspace="organize" id="nav-organize">
<i data-lucide="layers"></i> Organize PDF
</button>
<button class="nav-link" data-workspace="jpg-to-pdf" id="nav-jpg-to-pdf">
<i data-lucide="image"></i> JPG to PDF
</button>
<button class="nav-link" data-workspace="pdf-to-jpg" id="nav-pdf-to-jpg">
<i data-lucide="images"></i> PDF to Image
</button>
<button class="nav-link" data-workspace="sign" id="nav-sign">
<i data-lucide="pen-tool"></i> Sign PDF
</button>
<button class="nav-link" data-workspace="watermark" id="nav-watermark">
<i data-lucide="droplet"></i> Watermark
</button>
<button class="nav-link" data-workspace="numbers" id="nav-numbers">
<i data-lucide="binary"></i> Page Numbers
</button>
<button class="nav-link" data-workspace="scan" id="nav-scan">
<i data-lucide="camera"></i> Scan to PDF
</button>
<button class="nav-link" data-workspace="crop" id="nav-crop">
<i data-lucide="crop"></i> Crop PDF
</button>
<div class="nav-group-label">Document Security</div>
<button class="nav-link" data-workspace="security" id="nav-security">
<i data-lucide="unlock"></i> Unlock PDF
</button>
<div class="nav-group-label">Document Utilities</div>
<button class="nav-link" data-workspace="extract-text" id="nav-extract-text">
<i data-lucide="file-text"></i> Extract Text
</button>
<button class="nav-link" data-workspace="metadata" id="nav-metadata">
<i data-lucide="info"></i> Edit Metadata
</button>
<button class="nav-link" data-workspace="page-manager" id="nav-page-manager">
<i data-lucide="columns-3"></i> Page Manager
</button>
<button class="nav-link" data-workspace="presenter" id="nav-presenter">
<i data-lucide="presentation"></i> Presenter Mode
</button>
<button class="nav-link" data-workspace="grayscale" id="nav-grayscale">
<i data-lucide="printer"></i> Ink Saver (Grayscale)
</button>
<button class="nav-link" data-workspace="images-extractor" id="nav-images-extractor">
<i data-lucide="file-image"></i> Extract Images
</button>
<button class="nav-link" data-workspace="flattener" id="nav-flattener">
<i data-lucide="lock"></i> Form Flattener
</button>
</nav>
<div class="sidebar-footer">
<span class="offline-ready-indicator">
<span class="status-dot"></span> Secure Offline
</span>
</div>
</aside>
<!-- MAIN INTERFACE SHELL (RIGHT) -->
<div class="main-shell">
<!-- HEADER -->
<header class="shell-header no-print">
<div class="header-breadcrumbs">
<h1 id="workspace-title">Toolbox Dashboard</h1>
</div>
<div class="header-actions">
<button id="pwa-install-btn" class="btn btn-outline btn-sm hidden">
<i data-lucide="download-cloud"></i> Install App
</button>
<button id="theme-toggle-btn" class="icon-btn" aria-label="Toggle Light/Dark Theme">
<i data-lucide="sun" class="sun-icon"></i>
<i data-lucide="moon" class="moon-icon"></i>
</button>
</div>
</header>
<!-- DYNAMIC WORKSPACE AREAS -->
<main class="shell-main">
<!-- 0. HOME DASHBOARD VIEW -->
<div id="ws-dashboard" class="workspace-view active">
<div class="dashboard-hero">
<h2>Welcome to Offline PDF Toolbox</h2>
<p>Select any tool below to begin processing documents directly in browser memory. 100% private, secure, and fast.</p>
</div>
<div class="dashboard-grid">
<div class="tool-card" data-workspace="merge">
<div class="tool-icon-wrapper merge-gradient"><i data-lucide="shuffle"></i></div>
<h3>Merge PDF</h3>
<p>Combine multiple PDF documents into a single file in any custom sequence.</p>
</div>
<div class="tool-card" data-workspace="security">
<div class="tool-icon-wrapper numbers-gradient" style="background: linear-gradient(135deg, #ef4444, #991b1b);"><i data-lucide="unlock"></i></div>
<h3>Unlock PDF</h3>
<p>Remove passwords and decryption locks from secured PDF documents.</p>
</div>
<div class="tool-card" data-workspace="split">
<div class="tool-icon-wrapper split-gradient"><i data-lucide="scissors"></i></div>
<h3>Split PDF</h3>
<p>Extract specific page numbers or split every page into separate documents.</p>
</div>
<div class="tool-card" data-workspace="organize">
<div class="tool-icon-wrapper organize-gradient"><i data-lucide="layers"></i></div>
<h3>Organize PDF</h3>
<p>Visually reorder pages, rotate them clockwise, or delete pages in a grid.</p>
</div>
<div class="tool-card" data-workspace="jpg-to-pdf">
<div class="tool-icon-wrapper jpg-to-pdf-gradient"><i data-lucide="image"></i></div>
<h3>JPG to PDF</h3>
<p>Convert JPEGs, PNGs, and WebPs into a standard PDF with custom margins.</p>
</div>
<div class="tool-card" data-workspace="pdf-to-jpg">
<div class="tool-icon-wrapper pdf-to-jpg-gradient"><i data-lucide="images"></i></div>
<h3>PDF to Image</h3>
<p>Convert and extract PDF pages as JPG, PNG, or high-compression WebP images.</p>
</div>
<div class="tool-card" data-workspace="sign">
<div class="tool-icon-wrapper sign-gradient"><i data-lucide="pen-tool"></i></div>
<h3>Sign PDF</h3>
<p>Draw a custom signature on a pad and overlay it or text stamps on pages.</p>
</div>
<div class="tool-card" data-workspace="watermark">
<div class="tool-icon-wrapper watermark-gradient"><i data-lucide="droplet"></i></div>
<h3>Watermark</h3>
<p>Add image overlays or text stamps with custom transparency and rotation.</p>
</div>
<div class="tool-card" data-workspace="numbers">
<div class="tool-icon-wrapper numbers-gradient"><i data-lucide="binary"></i></div>
<h3>Page Numbers</h3>
<p>Stencils custom-formatted page counts onto header/footer coordinates.</p>
</div>
<div class="tool-card" data-workspace="scan">
<div class="tool-icon-wrapper scan-gradient"><i data-lucide="camera"></i></div>
<h3>Scan to PDF</h3>
<p>Acquires snaps from local cameras, applies monochrome filters, and saves.</p>
</div>
<div class="tool-card" data-workspace="crop">
<div class="tool-icon-wrapper crop-gradient"><i data-lucide="crop"></i></div>
<h3>Crop PDF</h3>
<p>Trims off page margins visually by editing PDF CropBox definitions.</p>
</div>
<div class="tool-card" data-workspace="extract-text">
<div class="tool-icon-wrapper numbers-gradient" style="background: linear-gradient(135deg, #f59e0b, #e0a96d);"><i data-lucide="file-text"></i></div>
<h3>Extract Text</h3>
<p>Parse document fonts and extract readable text page by page into clean files.</p>
</div>
<div class="tool-card" data-workspace="metadata">
<div class="tool-icon-wrapper merge-gradient" style="background: linear-gradient(135deg, #10b981, #059669);"><i data-lucide="info"></i></div>
<h3>Edit Metadata</h3>
<p>Modify local header fields including author, title, keywords, and creation dates.</p>
</div>
<div class="tool-card" data-workspace="page-manager">
<div class="tool-icon-wrapper organize-gradient" style="background: linear-gradient(135deg, #ec4899, #8b5cf6);"><i data-lucide="columns-3"></i></div>
<h3>Page Manager</h3>
<p>Add fresh blank drawing sheets or delete pages at designated page ranges.</p>
</div>
<div class="tool-card" data-workspace="presenter">
<div class="tool-icon-wrapper sign-gradient" style="background: linear-gradient(135deg, #ef4444, #f97316);"><i data-lucide="presentation"></i></div>
<h3>Presenter Mode</h3>
<p>Present slide by slide with laser tracking and interactive annotation markers.</p>
</div>
<div class="tool-card" data-workspace="grayscale">
<div class="tool-icon-wrapper crop-gradient" style="background: linear-gradient(135deg, #4b5563, #6b7280);"><i data-lucide="printer"></i></div>
<h3>Ink Saver</h3>
<p>Apply client-side grayscale filters to colored files to optimize cartridge prints.</p>
</div>
<div class="tool-card" data-workspace="images-extractor">
<div class="tool-icon-wrapper jpg-to-pdf-gradient" style="background: linear-gradient(135deg, #06b6d4, #0891b2);"><i data-lucide="file-image"></i></div>
<h3>Extract Images</h3>
<p>Scrapes underlying embedded pictures directly out of page vector layers.</p>
</div>
<div class="tool-card" data-workspace="flattener">
<div class="tool-icon-wrapper watermark-gradient" style="background: linear-gradient(135deg, #6366f1, #4f46e5);"><i data-lucide="lock"></i></div>
<h3>Form Flattener</h3>
<p>Lock interactive textboxes and stamps to static structures to block editing.</p>
</div>
</div>
</div>
<!-- 1. MERGE WORKSPACE -->
<div id="ws-merge" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>Options</h3>
<div class="field-group">
<label for="merge-output-name">Output File Name</label>
<div class="input-wrapper">
<input type="text" id="merge-output-name" value="merged_document" placeholder="merged_document">
<span class="input-suffix">.pdf</span>
</div>
</div>
<div class="action-group">
<button id="merge-btn" class="btn btn-primary btn-block" disabled><i data-lucide="shuffle"></i> Merge PDFs</button>
<button id="merge-clear" class="btn btn-outline-danger btn-block" disabled><i data-lucide="trash-2"></i> Clear Queue</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div class="dropzone file-drop-target" data-tool="merge">
<input type="file" id="merge-file-input" multiple accept="application/pdf" class="hidden-input">
<div class="dropzone-inner">
<i data-lucide="files" class="drop-icon"></i>
<p>Drag & Drop PDFs or <span>browse files</span></p>
</div>
</div>
<div id="merge-metrics" class="metrics-bar hidden">
<span class="metric-badge"><i data-lucide="file-text"></i> <span id="merge-files-count">0</span> Files</span>
<span class="metric-badge"><i data-lucide="layers"></i> <span id="merge-pages-count">0</span> Pages</span>
<span class="metric-badge"><i data-lucide="database"></i> <span id="merge-size-text">0 KB</span></span>
</div>
<div id="merge-queue" class="sortable-queue-list"></div>
</div>
</div>
</div>
<!-- 2. SPLIT WORKSPACE -->
<div id="ws-split" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>Split Options</h3>
<div class="field-group">
<label>Mode</label>
<div class="radio-group">
<label class="radio-label">
<input type="radio" name="split-mode" value="all" checked> Split All Pages
</label>
<label class="radio-label">
<input type="radio" name="split-mode" value="range"> Extract Ranges
</label>
</div>
</div>
<div class="field-group id-range-group hidden">
<label for="split-ranges">Ranges (e.g. 1-2, 5)</label>
<input type="text" id="split-ranges" placeholder="1-3, 5">
</div>
<div class="field-group">
<label for="split-output-name">Output Name</label>
<input type="text" id="split-output-name" value="split_page" placeholder="split_page">
</div>
<div class="action-group">
<button id="split-btn" class="btn btn-primary btn-block" disabled><i data-lucide="scissors"></i> Split PDF</button>
<button id="split-clear" class="btn btn-outline" disabled><i data-lucide="rotate-ccw"></i> Reset</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div class="dropzone file-drop-target" id="split-dropzone" data-tool="split">
<input type="file" id="split-file-input" accept="application/pdf" class="hidden-input">
<div class="dropzone-inner">
<i data-lucide="scissors" class="drop-icon"></i>
<p>Drag & Drop a PDF or <span>select file</span></p>
</div>
</div>
<div id="split-preview-panel" class="file-loaded-panel hidden">
<div class="loaded-file-header">
<div class="loaded-info">
<i data-lucide="file-text"></i>
<div>
<h4 id="split-filename">document.pdf</h4>
<p><span id="split-pagecount">0</span> pages | <span id="split-filesize">0 KB</span></p>
</div>
</div>
</div>
<h3>Select Pages Visually</h3>
<p class="subtitle">Select individual pages to extract by clicking them:</p>
<div id="split-grid" class="thumbnail-select-grid"></div>
</div>
</div>
</div>
</div>
<!-- 3. ORGANIZE WORKSPACE -->
<div id="ws-organize" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>Actions</h3>
<div class="field-group">
<label for="organize-output-name">Output Name</label>
<input type="text" id="organize-output-name" value="organized_document">
</div>
<div class="action-group">
<button id="organize-btn" class="btn btn-primary btn-block" disabled><i data-lucide="save"></i> Save Organized PDF</button>
<button id="organize-clear" class="btn btn-outline" disabled><i data-lucide="rotate-ccw"></i> Reset</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div class="dropzone file-drop-target" id="organize-dropzone" data-tool="organize">
<input type="file" id="organize-file-input" accept="application/pdf" class="hidden-input">
<div class="dropzone-inner">
<i data-lucide="layers" class="drop-icon"></i>
<p>Drag & Drop a PDF or <span>select file</span></p>
</div>
</div>
<div id="organize-panel" class="file-loaded-panel hidden">
<div class="loaded-file-header">
<div class="loaded-info">
<i data-lucide="file-text"></i>
<div>
<h4 id="organize-filename">document.pdf</h4>
<p><span id="organize-pagecount">0</span> pages</p>
</div>
</div>
</div>
<p class="subtitle"><i data-lucide="info"></i> Drag pages to reorder, click 🔁 to rotate 90° clockwise, or 🗑️ to delete.</p>
<div id="organize-grid" class="organize-thumbnail-grid"></div>
</div>
</div>
</div>
</div>
<!-- 4. JPG TO PDF WORKSPACE -->
<div id="ws-jpg-to-pdf" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>PDF Page Setup</h3>
<div class="field-group">
<label for="j2p-size">Page Size</label>
<select id="j2p-size">
<option value="fit" selected>Fit image dimensions</option>
<option value="a4">A4 Standard</option>
<option value="letter">US Letter</option>
</select>
</div>
<div class="field-group">
<label for="j2p-layout">Orientation</label>
<select id="j2p-layout">
<option value="portrait" selected>Portrait</option>
<option value="landscape">Landscape</option>
</select>
</div>
<div class="field-group">
<label for="j2p-margin">Margins</label>
<select id="j2p-margin">
<option value="0" selected>No margins</option>
<option value="20">Small (20pt)</option>
<option value="40">Large (40pt)</option>
</select>
</div>
<div class="field-group">
<label for="j2p-output-name">Output Name</label>
<input type="text" id="j2p-output-name" value="images_document">
</div>
<div class="action-group">
<button id="j2p-btn" class="btn btn-primary btn-block" disabled><i data-lucide="file-plus"></i> Compile PDF</button>
<button id="j2p-clear" class="btn btn-outline-danger btn-block" disabled><i data-lucide="trash-2"></i> Clear Queue</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div class="dropzone file-drop-target" data-tool="jpg-to-pdf">
<input type="file" id="j2p-file-input" multiple accept="image/jpeg,image/png,image/webp" class="hidden-input">
<div class="dropzone-inner">
<i data-lucide="images" class="drop-icon"></i>
<p>Drag & Drop Images (JPG/PNG/WebP) or <span>browse files</span></p>
</div>
</div>
<div id="j2p-metrics" class="metrics-bar hidden">
<span class="metric-badge"><i data-lucide="image"></i> <span id="j2p-files-count">0</span> Images</span>
</div>
<div id="j2p-queue" class="sortable-image-queue"></div>
</div>
</div>
</div>
<!-- 5. PDF TO Image WORKSPACE -->
<div id="ws-pdf-to-jpg" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>Options</h3>
<div class="field-group">
<label for="p2j-format">Image Format</label>
<select id="p2j-format">
<option value="jpeg" selected>JPEG (.jpg)</option>
<option value="png">PNG (.png)</option>
<option value="webp">WebP (.webp)</option>
</select>
</div>
<div class="field-group">
<label for="p2j-scale">Quality Resolution</label>
<select id="p2j-scale">
<option value="1">Standard (1x)</option>
<option value="2" selected>High Res (2x)</option>
<option value="3">Ultra HD (3x)</option>
</select>
</div>
<div class="action-group">
<button id="p2j-btn" class="btn btn-primary btn-block" disabled><i data-lucide="download"></i> Convert PDF to Images</button>
<button id="p2j-clear" class="btn btn-outline" disabled><i data-lucide="rotate-ccw"></i> Reset</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div class="dropzone file-drop-target" id="p2j-dropzone" data-tool="pdf-to-jpg">
<input type="file" id="p2j-file-input" accept="application/pdf" class="hidden-input">
<div class="dropzone-inner">
<i data-lucide="images" class="drop-icon"></i>
<p>Drag & Drop a PDF or <span>select file</span></p>
</div>
</div>
<div id="p2j-panel" class="file-loaded-panel hidden">
<div class="loaded-file-header">
<div class="loaded-info">
<i data-lucide="file-text"></i>
<div>
<h4 id="p2j-filename">document.pdf</h4>
<p><span id="p2j-pagecount">0</span> pages</p>
</div>
</div>
</div>
<h3>Extractable Pages Preview</h3>
<div id="p2j-grid" class="view-only-thumbnail-grid"></div>
</div>
</div>
</div>
</div>
<!-- 6. SIGN PDF WORKSPACE -->
<div id="ws-sign" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>Sign / Annotate</h3>
<div class="action-group" style="gap: 12px; margin-bottom: 15px;">
<button id="sign-open-pad-btn" class="btn btn-outline btn-block" disabled><i data-lucide="pencil"></i> Draw Signature</button>
<button id="sign-upload-stamp-btn" class="btn btn-outline btn-block" disabled><i data-lucide="image"></i> Upload Image Stamp</button>
<input type="file" id="sign-image-file-input" accept="image/png,image/jpeg" class="hidden-input" style="display: none;">
<button id="sign-add-text-btn" class="btn btn-outline btn-block" disabled><i data-lucide="type"></i> Add Text Annotation</button>
</div>
<div class="field-group">
<label for="sign-stamp-opacity">Stamp Opacity (<span id="sign-stamp-opacity-val">1.0</span>)</label>
<input type="range" id="sign-stamp-opacity" min="0.1" max="1.0" step="0.05" value="1.0">
</div>
<hr style="border: 0; border-top: 1px solid var(--border-color); margin: 15px 0;">
<div class="field-group">
<label for="sign-output-name">Output Name</label>
<input type="text" id="sign-output-name" value="signed_document">
</div>
<div class="action-group">
<button id="sign-save-btn" class="btn btn-primary btn-block" disabled><i data-lucide="save"></i> Stamp & Save PDF</button>
<button id="sign-clear" class="btn btn-outline" disabled><i data-lucide="rotate-ccw"></i> Reset</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div class="dropzone file-drop-target" id="sign-dropzone" data-tool="sign">
<input type="file" id="sign-file-input" accept="application/pdf" class="hidden-input">
<div class="dropzone-inner">
<i data-lucide="pen-tool" class="drop-icon"></i>
<p>Drag & Drop a PDF or <span>select file</span></p>
</div>
</div>
<div id="sign-panel" class="file-loaded-panel hidden">
<div class="viewer-nav">
<button id="sign-prev-page" class="btn btn-outline btn-sm"><i data-lucide="chevron-left"></i> Prev</button>
<span>Page <strong id="sign-current-page-num">1</strong> of <strong id="sign-total-pages-count">1</strong></span>
<button id="sign-next-page" class="btn btn-outline btn-sm">Next <i data-lucide="chevron-right"></i></button>
</div>
<p class="subtitle" style="text-align: center;"><i data-lucide="info"></i> Create a stamp on the left, then click anywhere on the page to place it.</p>
<div class="pdf-viewer-canvas-outer">
<div class="pdf-viewer-container" id="sign-viewer-container">
<canvas id="sign-pdf-canvas"></canvas>
<!-- Floating stamp layer -->
</div>
</div>
</div>
</div>
</div>
</div>
<!-- 7. WATERMARK WORKSPACE -->
<div id="ws-watermark" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>Watermark Settings</h3>
<div class="field-group">
<label>Type</label>
<select id="wm-type">
<option value="text" selected>Text Stamp</option>
<option value="image">Image Overlay</option>
</select>
</div>
<div id="wm-text-configs">
<div class="field-group">
<label for="wm-text">Watermark Text</label>
<input type="text" id="wm-text" value="CONFIDENTIAL" placeholder="CONFIDENTIAL">
</div>
<div class="field-group">
<label for="wm-color">Text Color</label>
<input type="color" id="wm-color" value="#ff0000">
</div>
</div>
<div id="wm-image-configs" class="hidden">
<div class="field-group">
<label for="wm-image-input">Select Image</label>
<input type="file" id="wm-image-input" accept="image/jpeg,image/png">
</div>
</div>
<div class="field-group">
<label for="wm-opacity">Transparency (Opacity: <span id="wm-opacity-val">0.3</span>)</label>
<input type="range" id="wm-opacity" min="0.1" max="1.0" step="0.05" value="0.3">
</div>
<div class="field-group">
<label for="wm-rotation">Angle (<span id="wm-rotation-val">45</span>°)</label>
<input type="range" id="wm-rotation" min="-180" max="180" step="5" value="45">
</div>
<div class="field-group">
<label for="wm-align">Placement</label>
<select id="wm-align">
<option value="center" selected>Center</option>
<option value="top-left">Top Left</option>
<option value="top-right">Top Right</option>
<option value="bottom-left">Bottom Left</option>
<option value="bottom-right">Bottom Right</option>
<option value="tiled">Tiled Matrix</option>
</select>
</div>
<div class="field-group">
<label for="wm-output-name">Output Name</label>
<input type="text" id="wm-output-name" value="watermarked_document">
</div>
<div class="action-group">
<button id="wm-btn" class="btn btn-primary btn-block" disabled><i data-lucide="droplet"></i> Add Watermark</button>
<button id="wm-clear" class="btn btn-outline" disabled><i data-lucide="rotate-ccw"></i> Reset</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div class="dropzone file-drop-target" id="wm-dropzone" data-tool="watermark">
<input type="file" id="wm-file-input" accept="application/pdf" class="hidden-input">
<div class="dropzone-inner">
<i data-lucide="droplet" class="drop-icon"></i>
<p>Drag & Drop a PDF or <span>select file</span></p>
</div>
</div>
<div id="wm-panel" class="file-loaded-panel hidden">
<div class="loaded-file-header">
<div class="loaded-info">
<i data-lucide="file-text"></i>
<div>
<h4 id="wm-filename">document.pdf</h4>
<p><span id="wm-pagecount">0</span> pages</p>
</div>
</div>
</div>
<h3>Visual Preview</h3>
<div class="preview-canvas-holder">
<canvas id="wm-preview-canvas"></canvas>
</div>
</div>
</div>
</div>
</div>
<!-- 8. PAGE NUMBERS WORKSPACE -->
<div id="ws-numbers" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>Number Formatting</h3>
<div class="field-group">
<label for="num-format">Format Pattern</label>
<select id="num-format">
<option value="simple" selected>1, 2, 3</option>
<option value="pattern">Page {num} of {count}</option>
<option value="suffix">Page {num}</option>
</select>
</div>
<div class="field-group">
<label for="num-align">Position</label>
<select id="num-align">
<option value="bottom-center" selected>Bottom Center</option>
<option value="bottom-left">Bottom Left</option>
<option value="bottom-right">Bottom Right</option>
<option value="top-center">Top Center</option>
<option value="top-left">Top Left</option>
<option value="top-right">Top Right</option>
</select>
</div>
<div class="field-group">
<label for="num-size">Text Size</label>
<input type="number" id="num-size" value="10" min="6" max="24">
</div>
<div class="field-group">
<label for="num-skip">Skip First Page</label>
<select id="num-skip">
<option value="yes" selected>Yes (Standard for covers)</option>
<option value="no">No</option>
</select>
</div>
<div class="field-group">
<label for="num-output-name">Output Name</label>
<input type="text" id="num-output-name" value="numbered_document">
</div>
<div class="action-group">
<button id="num-btn" class="btn btn-primary btn-block" disabled><i data-lucide="binary"></i> Add Page Numbers</button>
<button id="num-clear" class="btn btn-outline" disabled><i data-lucide="rotate-ccw"></i> Reset</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div class="dropzone file-drop-target" id="num-dropzone" data-tool="numbers">
<input type="file" id="num-file-input" accept="application/pdf" class="hidden-input">
<div class="dropzone-inner">
<i data-lucide="binary" class="drop-icon"></i>
<p>Drag & Drop a PDF or <span>select file</span></p>
</div>
</div>
<div id="num-panel" class="file-loaded-panel hidden">
<div class="loaded-file-header">
<div class="loaded-info">
<i data-lucide="file-text"></i>
<div>
<h4 id="num-filename">document.pdf</h4>
<p><span id="num-pagecount">0</span> pages</p>
</div>
</div>
</div>
<h3>Visual Preview</h3>
<div class="preview-canvas-holder">
<canvas id="num-preview-canvas"></canvas>
</div>
</div>
</div>
</div>
</div>
<!-- 9. SCAN TO PDF WORKSPACE -->
<div id="ws-scan" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>Scanner Capture</h3>
<div class="action-group" style="gap: 12px; margin-bottom: 15px;">
<button id="scan-camera-start" class="btn btn-outline btn-block"><i data-lucide="video"></i> Start Camera</button>
<button id="scan-camera-snap" class="btn btn-primary btn-block hidden"><i data-lucide="camera"></i> Snap Page</button>
<button id="scan-camera-stop" class="btn btn-outline-danger btn-block hidden"><i data-lucide="video-off"></i> Stop Camera</button>
</div>
<hr style="border: 0; border-top: 1px solid var(--border-color); margin: 15px 0;">
<div class="field-group">
<label for="scan-filter">Image Effect Filter</label>
<select id="scan-filter">
<option value="none" selected>Normal Color</option>
<option value="grayscale">Grayscale Document</option>
<option value="high-contrast">High Contrast B&W</option>
</select>
</div>
<div class="field-group">
<label for="scan-output-name">Output Name</label>
<input type="text" id="scan-output-name" value="camera_scan">
</div>
<div class="action-group">
<button id="scan-btn" class="btn btn-primary btn-block" disabled><i data-lucide="file-plus"></i> Compile PDF</button>
<button id="scan-clear" class="btn btn-outline-danger btn-block" disabled><i data-lucide="trash-2"></i> Clear Snaps</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div id="scan-camera-viewport" class="scan-viewframe hidden">
<video id="scan-video" autoplay playsinline></video>
<div class="camera-grid-overlay"></div>
</div>
<div id="scan-queue-panel" class="scan-queue-wrapper">
<h3>Scanned Queue List</h3>
<p class="subtitle">Start the camera, take snaps, arrange them, and convert them to a PDF document.</p>
<div id="scan-queue-empty" class="empty-msg" style="padding: 3rem 0;">
<i data-lucide="camera-off" style="width: 48px; height: 48px; color: var(--text-muted); margin-bottom: 1rem;"></i>
<p>No captured pages yet. Tap "Start Camera" to begin.</p>
</div>
<div id="scan-queue" class="sortable-image-queue"></div>
</div>
</div>
</div>
</div>
<!-- 10. CROP PDF WORKSPACE -->
<div id="ws-crop" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>Crop Margins (pt)</h3>
<div class="field-group">
<label for="crop-left">Left Margin: <span id="crop-left-val">0</span>pt</label>
<input type="range" id="crop-left" min="0" max="150" step="5" value="0">
</div>
<div class="field-group">
<label for="crop-right">Right Margin: <span id="crop-right-val">0</span>pt</label>
<input type="range" id="crop-right" min="0" max="150" step="5" value="0">
</div>
<div class="field-group">
<label for="crop-top">Top Margin: <span id="crop-top-val">0</span>pt</label>
<input type="range" id="crop-top" min="0" max="150" step="5" value="0">
</div>
<div class="field-group">
<label for="crop-bottom">Bottom Margin: <span id="crop-bottom-val">0</span>pt</label>
<input type="range" id="crop-bottom" min="0" max="150" step="5" value="0">
</div>
<hr style="border: 0; border-top: 1px solid var(--border-color); margin: 15px 0;">
<div class="field-group">
<label for="crop-output-name">Output Name</label>
<input type="text" id="crop-output-name" value="cropped_document">
</div>
<div class="action-group">
<button id="crop-btn" class="btn btn-primary btn-block" disabled><i data-lucide="crop"></i> Crop PDF</button>
<button id="crop-clear" class="btn btn-outline" disabled><i data-lucide="rotate-ccw"></i> Reset</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div class="dropzone file-drop-target" id="crop-dropzone" data-tool="crop">
<input type="file" id="crop-file-input" accept="application/pdf" class="hidden-input">
<div class="dropzone-inner">
<i data-lucide="crop" class="drop-icon"></i>
<p>Drag & Drop a PDF or <span>select file</span></p>
</div>
</div>
<div id="crop-panel" class="file-loaded-panel hidden">
<div class="loaded-file-header">
<div class="loaded-info">
<i data-lucide="file-text"></i>
<div>
<h4 id="crop-filename">document.pdf</h4>
<p><span id="crop-pagecount">0</span> pages</p>
</div>
</div>
</div>
<h3>Crop Bounds Preview</h3>
<p class="subtitle" style="text-align: center;"><i data-lucide="info"></i> Adjust sliders on the left. The glowing dashed box displays the cropped dimensions.</p>
<div class="preview-canvas-holder">
<div class="crop-preview-wrapper" style="position: relative; display: inline-block;">
<canvas id="crop-preview-canvas"></canvas>
<div id="crop-box-outline" class="crop-visual-box">
<div class="crop-resize-handle tl" data-handle="tl"></div>
<div class="crop-resize-handle tr" data-handle="tr"></div>
<div class="crop-resize-handle bl" data-handle="bl"></div>
<div class="crop-resize-handle br" data-handle="br"></div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- 11. EXTRACT TEXT WORKSPACE -->
<div id="ws-extract-text" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>Options</h3>
<div class="field-group">
<label for="txt-output-name">Output Name</label>
<input type="text" id="txt-output-name" value="extracted_text">
</div>
<div class="field-group">
<label class="radio-label">
<input type="checkbox" id="txt-ocr-toggle"> Run OCR on Scanned Pages
</label>
</div>
<div class="action-group">
<button id="txt-copy-btn" class="btn btn-outline btn-block" disabled><i data-lucide="copy"></i> Copy to Clipboard</button>
<button id="txt-download-btn" class="btn btn-primary btn-block" disabled><i data-lucide="download"></i> Download Text File</button>
<button id="txt-clear" class="btn btn-outline" disabled><i data-lucide="rotate-ccw"></i> Reset</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div class="dropzone file-drop-target" id="txt-dropzone" data-tool="extract-text">
<input type="file" id="txt-file-input" accept="application/pdf" class="hidden-input">
<div class="dropzone-inner">
<i data-lucide="file-text" class="drop-icon"></i>
<p>Drag & Drop a PDF or <span>select file</span></p>
</div>
</div>
<div id="txt-panel" class="file-loaded-panel hidden" style="flex: 1; display: flex; flex-direction: column;">
<div class="loaded-file-header">
<div class="loaded-info">
<i data-lucide="file-text"></i>
<div>
<h4 id="txt-filename">document.pdf</h4>
<p><span id="txt-pagecount">0</span> pages</p>
</div>
</div>
</div>
<h3>Extracted Text Content</h3>
<div class="textarea-container" style="flex: 1; display: flex;">
<textarea id="txt-extracted-content" readonly style="font-family: var(--font-body); font-size: 0.9rem; flex: 1; min-height: 380px; width: 100%; background: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-main); padding: 1.25rem; border-radius: 12px; resize: none; line-height: 1.6; outline: none;"></textarea>
</div>
</div>
</div>
</div>
</div>
<!-- 12. EDIT METADATA WORKSPACE -->
<div id="ws-metadata" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>Options</h3>
<div class="field-group">
<label for="meta-output-name">Output Name</label>
<input type="text" id="meta-output-name" value="updated_metadata">
</div>
<div class="action-group">
<button id="meta-btn" class="btn btn-primary btn-block" disabled><i data-lucide="save"></i> Update Metadata</button>
<button id="meta-clear" class="btn btn-outline" disabled><i data-lucide="rotate-ccw"></i> Reset</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div class="dropzone file-drop-target" id="meta-dropzone" data-tool="metadata">
<input type="file" id="meta-file-input" accept="application/pdf" class="hidden-input">
<div class="dropzone-inner">
<i data-lucide="info" class="drop-icon"></i>
<p>Drag & Drop a PDF or <span>select file</span></p>
</div>
</div>
<div id="meta-panel" class="file-loaded-panel hidden">
<div class="loaded-file-header">
<div class="loaded-info">
<i data-lucide="file-text"></i>
<div>
<h4 id="meta-filename">document.pdf</h4>
<p><span id="meta-pagecount">0</span> pages</p>
</div>
</div>
</div>
<h3>Edit Document Metadata</h3>
<div class="config-card" style="box-shadow: none; border-color: var(--border-color); width: 100%; max-width: 600px; margin: 0 auto;">
<div class="field-group">
<label for="meta-title">Document Title</label>
<input type="text" id="meta-title" placeholder="Document Title">
</div>
<div class="field-group">
<label for="meta-author">Author Name</label>
<input type="text" id="meta-author" placeholder="Author">
</div>
<div class="field-group">
<label for="meta-subject">Subject</label>
<input type="text" id="meta-subject" placeholder="Subject">
</div>
<div class="field-group">
<label for="meta-keywords">Keywords (comma separated)</label>
<input type="text" id="meta-keywords" placeholder="pdf, edit, metadata">
</div>
<div class="field-group">
<label for="meta-creator">Creator (Application)</label>
<input type="text" id="meta-creator" placeholder="Creator App">
</div>
<div class="field-group">
<label for="meta-producer">Producer</label>
<input type="text" id="meta-producer" placeholder="Producer Engine">
</div>
</div>
</div>
</div>
</div>
</div>
<!-- 13. PAGE MANAGER WORKSPACE -->
<div id="ws-page-manager" class="workspace-view hidden">
<div class="workspace-layout">
<div class="workspace-controls-sidebar">
<div class="config-card">
<h3>Page Actions</h3>
<div class="field-group">
<label>Action Mode</label>
<select id="pm-mode">
<option value="insert" selected>Insert Blank Page</option>
<option value="delete">Delete Page</option>
</select>
</div>
<div class="field-group">
<label for="pm-target-idx">Target Position (Page Index)</label>
<input type="number" id="pm-target-idx" value="1" min="1">
<span style="font-size: 0.65rem; color: var(--text-secondary); margin-top: 2px;" id="pm-helper-text">Inserts blank sheet AFTER chosen page.</span>
</div>
<div class="field-group id-pm-size">
<label for="pm-size">Blank Page Size</label>
<select id="pm-size">
<option value="a4" selected>A4 Standard</option>
<option value="letter">US Letter</option>
</select>
</div>
<div class="field-group">
<label for="pm-output-name">Output Name</label>
<input type="text" id="pm-output-name" value="modified_pages">
</div>
<div class="action-group">
<button id="pm-btn" class="btn btn-primary btn-block" disabled><i data-lucide="save"></i> Apply Page Changes</button>
<button id="pm-clear" class="btn btn-outline" disabled><i data-lucide="rotate-ccw"></i> Reset</button>
</div>
</div>
</div>
<div class="workspace-queue-main">
<div class="dropzone file-drop-target" id="pm-dropzone" data-tool="page-manager">
<input type="file" id="pm-file-input" accept="application/pdf" class="hidden-input">
<div class="dropzone-inner">
<i data-lucide="columns-3" class="drop-icon"></i>
<p>Drag & Drop a PDF or <span>select file</span></p>
</div>
</div>
<div id="pm-panel" class="file-loaded-panel hidden">
<div class="loaded-file-header">
<div class="loaded-info">
<i data-lucide="file-text"></i>
<div>
<h4 id="pm-filename">document.pdf</h4>
<p><span id="pm-pagecount">0</span> pages</p>