Create df3-aesthetic-v2

Gemini said
I've added a handy "Clear All" button right below the drop zone, along with an indicator that dynamically changes the drop zone's appearance (turning it blue with a success badge) to clearly show when audio files have been successfully imported into your workstation!

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df3-aesthetic-v2 +873 -0

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+<!DOCTYPE html>
+<html lang="en" class="dark">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>DeepFilterNet Pro | Offline Audio Studio</title>
+    <!-- PWA Setup (Generated Inline) -->
+    <script>
+        const manifest = {
+            name: "DeepFilterNet Pro",
+            short_name: "DFN Pro",
+            start_url: ".",
+            display: "standalone",
+            background_color: "#0f172a",
+            theme_color: "#3b82f6",
+            icons: [{
+                src: "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233b82f6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2a3 3 0 0 0-3 3v7a3 3 0 0 0 6 0V5a3 3 0 0 0-3-3Z'/%3E%3Cpath d='M19 10v2a7 7 0 0 1-14 0v-2'/%3E%3Cline x1='12' x2='12' y1='19' y2='22'/%3E%3C/svg%3E",
+                sizes: "512x512",
+                type: "image/svg+xml"
+            }]
+        };
+        const manifestLink = document.createElement('link');
+        manifestLink.rel = 'manifest';
+        manifestLink.href = 'data:application/manifest+json;charset=utf-8,' + encodeURIComponent(JSON.stringify(manifest));
+        document.head.appendChild(manifestLink);
+        if ('serviceWorker' in navigator) {
+            const swCode = `
+                self.addEventListener('install', (e) => self.skipWaiting());
+                self.addEventListener('activate', (e) => self.clients.claim());
+                self.addEventListener('fetch', (e) => {});
+            `;
+            const blob = new Blob([swCode], { type: 'application/javascript' });
+            navigator.serviceWorker.register(URL.createObjectURL(blob)).catch(console.error);
+        }
+    </script>
+    <script src="https://cdn.tailwindcss.com"></script>
+    <script src="https://unpkg.com/lucide@latest"></script>
+    <!-- External Libs for Batching and MP3 Encoding -->
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/lamejs/1.2.1/lame.min.js"></script>
+    <script>
+        tailwind.config = {
+            darkMode: 'class',
+            theme: {
+                extend: {
+                    colors: { primary: { 50: '#eff6ff', 100: '#dbeafe', 500: '#3b82f6', 600: '#2563eb', 900: '#1e3a8a' } }
+                }
+            }
+        }
+    </script>
+    <style>
+        .drag-active { border-color: #3b82f6 !important; background-color: rgba(59, 130, 246, 0.1) !important; }
+        .hidden { display: none !important; }
+        .spinner { animation: spin 1s linear infinite; }
+        @keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
+        /* Custom Scrollbar for Queue */
+        ::-webkit-scrollbar { width: 6px; }
+        ::-webkit-scrollbar-track { background: transparent; }
+        ::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 4px; }
+        .dark ::-webkit-scrollbar-thumb { background: #334155; }
+        ::-webkit-scrollbar-thumb:hover { background: #64748b; }
+        .dark ::-webkit-scrollbar-thumb:hover { background: #475569; }
+    </style>
+</head>
+<body class="bg-slate-50 dark:bg-slate-900 text-slate-800 dark:text-slate-200 min-h-screen font-sans selection:bg-primary-500 selection:text-white pb-12 overflow-x-hidden transition-colors duration-200">
+    <div class="max-w-7xl mx-auto px-4 pt-8">
+        <!-- Header -->
+        <header class="flex flex-col md:flex-row items-center justify-between mb-6 gap-4 pb-4">
+            <div class="flex items-center gap-4">
+                <div class="inline-flex items-center justify-center p-3 bg-white dark:bg-primary-900/50 rounded-2xl border border-slate-200 dark:border-primary-500/30 text-primary-600 dark:text-primary-500 shadow-[0_0_15px_rgba(59,130,246,0.2)]">
+                    <i data-lucide="mic" class="w-6 h-6"></i>
+                    <i data-lucide="sparkles" class="w-4 h-4 absolute transform translate-x-3 -translate-y-3 text-yellow-500 dark:text-yellow-400"></i>
+                </div>
+                <div>
+                    <h1 class="text-3xl font-bold text-slate-900 dark:text-white tracking-tight">DeepFilterNet Pro</h1>
+                    <p class="text-slate-500 dark:text-slate-400 text-sm flex items-center gap-1">
+                        <i data-lucide="shield-check" class="w-3 h-3 text-emerald-500 dark:text-green-400"></i> Local & Offline processing
+                    </p>
+                </div>
+            </div>
+            <!-- Global Output Settings & Theme -->
+            <div class="flex items-center gap-4 flex-wrap justify-center">
+                <label class="flex items-center gap-2 cursor-pointer group bg-white dark:bg-slate-800 px-3 py-1.5 rounded-lg border border-slate-200 dark:border-slate-700 shadow-sm transition-colors duration-200">
+                    <input type="checkbox" id="normalizeCheck" checked class="w-4 h-4 rounded border-slate-300 dark:border-slate-600 bg-white dark:bg-slate-700 text-primary-500 focus:ring-primary-500 cursor-pointer">
+                    <span class="text-sm font-medium text-slate-600 dark:text-slate-300 group-hover:text-slate-900 dark:group-hover:text-white transition-colors">Auto-Normalize</span>
+                </label>
+                <div class="flex items-center bg-slate-100 dark:bg-slate-900 rounded-lg p-1 border border-slate-200 dark:border-slate-700 shadow-sm transition-colors duration-200">
+                    <button id="formatWav" class="px-3 py-1.5 text-xs font-bold rounded-md bg-primary-600 text-white transition-all shadow-sm">WAV</button>
+                    <button id="formatMp3" class="px-3 py-1.5 text-xs font-bold rounded-md text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-white transition-all">MP3</button>
+                </div>
+                <button id="themeToggle" class="p-2 rounded-xl bg-white dark:bg-slate-800 border border-slate-200 dark:border-slate-700 text-slate-500 dark:text-slate-400 hover:text-primary-500 transition-colors shadow-sm">
+                    <i data-lucide="sun" class="w-5 h-5 hidden dark:block text-yellow-400"></i>
+                    <i data-lucide="moon" class="w-5 h-5 block dark:hidden"></i>
+                </button>
+            </div>
+        </header>
+        <!-- Aesthetic Pro Controls Dashboard -->
+        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4 mb-8">
+            <!-- Noise Reduction -->
+            <div class="bg-white dark:bg-slate-800/80 p-5 rounded-xl border border-slate-200 dark:border-slate-700 shadow-sm hover:shadow-md transition-shadow duration-200 flex flex-col gap-3">
+                <div class="flex justify-between items-center">
+                    <label class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider flex items-center gap-2">
+                        <i data-lucide="cpu" class="w-4 h-4 text-primary-500"></i> Noise Reduction
+                    </label>
+                    <span id="noiseLevelValue" class="text-sm text-primary-600 dark:text-primary-400 font-bold bg-primary-50 dark:bg-primary-900/30 px-2 py-0.5 rounded">100%</span>
+                </div>
+                <input type="range" id="noiseLevel" min="0" max="100" value="100" class="w-full accent-primary-500 h-2 bg-slate-200 dark:bg-slate-700 rounded-lg cursor-pointer mt-1">
+            </div>
+            <!-- Bass -->
+            <div class="bg-white dark:bg-slate-800/80 p-5 rounded-xl border border-slate-200 dark:border-slate-700 shadow-sm hover:shadow-md transition-shadow duration-200 flex flex-col gap-3">
+                <div class="flex justify-between items-center">
+                    <label class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider flex items-center gap-2">
+                        <i data-lucide="speaker" class="w-4 h-4 text-emerald-500"></i> Bass EQ
+                    </label>
+                    <span id="bassVal" class="text-sm text-emerald-600 dark:text-emerald-400 font-bold bg-emerald-50 dark:bg-emerald-900/30 px-2 py-0.5 rounded">0dB</span>
+                </div>
+                <input type="range" id="eqBass" min="-12" max="12" value="0" step="0.5" class="w-full accent-emerald-500 h-2 bg-slate-200 dark:bg-slate-700 rounded-lg cursor-pointer mt-1">
+            </div>
+            <!-- Treble -->
+            <div class="bg-white dark:bg-slate-800/80 p-5 rounded-xl border border-slate-200 dark:border-slate-700 shadow-sm hover:shadow-md transition-shadow duration-200 flex flex-col gap-3">
+                <div class="flex justify-between items-center">
+                    <label class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider flex items-center gap-2">
+                        <i data-lucide="audio-waveform" class="w-4 h-4 text-amber-500"></i> Treble EQ
+                    </label>
+                    <span id="trebleVal" class="text-sm text-amber-600 dark:text-amber-400 font-bold bg-amber-50 dark:bg-amber-900/30 px-2 py-0.5 rounded">0dB</span>
+                </div>
+                <input type="range" id="eqTreble" min="-12" max="12" value="0" step="0.5" class="w-full accent-amber-500 h-2 bg-slate-200 dark:bg-slate-700 rounded-lg cursor-pointer mt-1">
+            </div>
+            <!-- Gain -->
+            <div class="bg-white dark:bg-slate-800/80 p-5 rounded-xl border border-slate-200 dark:border-slate-700 shadow-sm hover:shadow-md transition-shadow duration-200 flex flex-col gap-3">
+                <div class="flex justify-between items-center">
+                    <label class="text-xs font-bold text-slate-500 dark:text-slate-400 uppercase tracking-wider flex items-center gap-2">
+                        <i data-lucide="volume-2" class="w-4 h-4 text-rose-500"></i> Output Gain
+                    </label>
+                    <span id="gainVal" class="text-sm text-rose-600 dark:text-rose-400 font-bold bg-rose-50 dark:bg-rose-900/30 px-2 py-0.5 rounded">0dB</span>
+                </div>
+                <input type="range" id="eqGain" min="-12" max="12" value="0" step="0.5" class="w-full accent-rose-500 h-2 bg-slate-200 dark:bg-slate-700 rounded-lg cursor-pointer mt-1">
+            </div>
+        </div>
+        <main class="grid lg:grid-cols-[300px_1fr] gap-6">
+            <!-- Sidebar: Upload & Queue -->
+            <aside class="flex flex-col gap-4">
+                <div class="flex flex-col gap-2">
+                    <div id="dropzone" class="bg-white dark:bg-transparent border-2 border-dashed border-slate-300 dark:border-slate-600 rounded-2xl p-6 text-center cursor-pointer transition-all duration-200 hover:border-primary-500 dark:hover:border-primary-500 dark:hover:bg-slate-800/80 group">
+                        <input type="file" id="fileInput" accept="audio/*" multiple class="hidden">
+                        <i data-lucide="file-audio" id="dropzoneIcon" class="w-8 h-8 mx-auto text-slate-400 group-hover:text-primary-500 transition-colors mb-2"></i>
+                        <h3 class="font-semibold text-slate-700 dark:text-white text-sm">Add Audio Files</h3>
+                        <p class="text-slate-500 text-xs mt-1">Drag & Drop or Click</p>
+                    </div>
+                    <!-- Indicator & Clear Action -->
+                    <div id="dropzoneActions" class="hidden flex justify-between items-center px-2 transition-all duration-200">
+                        <span class="text-xs text-emerald-600 dark:text-emerald-400 font-medium flex items-center gap-1">
+                            <i data-lucide="check-circle-2" class="w-3 h-3"></i> <span id="dropzoneIndicatorText">Audio added</span>
+                        </span>
+                        <button id="clearAllBtn" class="text-xs text-red-500 hover:text-red-600 dark:hover:text-red-400 font-medium flex items-center gap-1 transition-colors cursor-pointer z-10">
+                            <i data-lucide="trash-2" class="w-3 h-3"></i> Clear All
+                        </button>
+                    </div>
+                </div>
+                <div class="bg-white dark:bg-slate-800 rounded-2xl border border-slate-200 dark:border-slate-700 flex-1 flex flex-col overflow-hidden max-h-[600px] shadow-sm">
+                    <div class="p-4 border-b border-slate-200 dark:border-slate-700 flex justify-between items-center bg-slate-50 dark:bg-slate-800/90">
+                        <h3 class="font-semibold text-slate-800 dark:text-white flex items-center gap-2">
+                            <i data-lucide="list-video" class="w-4 h-4 text-slate-500"></i> Batch Queue
+                        </h3>
+                        <span id="queueCount" class="bg-slate-200 dark:bg-slate-700 text-xs px-2 py-0.5 rounded-full text-slate-600 dark:text-slate-300 font-medium">0 files</span>
+                    </div>
+                    <div id="fileList" class="overflow-y-auto flex-1 p-2 space-y-1">
+                        <!-- Queue items render here -->
+                        <div class="p-4 text-center text-slate-400 dark:text-slate-500 text-sm italic empty-state">Queue is empty.</div>
+                    </div>
+                    <div class="p-4 border-t border-slate-200 dark:border-slate-700 bg-slate-50 dark:bg-slate-800/90 space-y-3">
+                        <button id="processBtn" disabled class="w-full flex items-center justify-center gap-2 bg-primary-600 disabled:bg-slate-200 dark:disabled:bg-slate-700 disabled:text-slate-400 dark:disabled:text-slate-500 hover:bg-primary-500 text-white px-4 py-2.5 rounded-xl font-medium transition-all shadow-sm disabled:shadow-none">
+                            <i data-lucide="cpu" class="w-4 h-4"></i> Start Processing
+                        </button>
+                        <button id="downloadZipBtn" class="hidden w-full flex items-center justify-center gap-2 bg-emerald-600 hover:bg-emerald-500 text-white px-4 py-2.5 rounded-xl font-medium transition-all shadow-[0_0_15px_rgba(16,185,129,0.2)]">
+                            <i data-lucide="archive" class="w-4 h-4"></i> Download ZIP
+                        </button>
+                    </div>
+                </div>
+                <p class="text-[10px] text-center text-slate-400 dark:text-slate-500 font-mono mt-[-5px]">
+                    Shortcuts: [Space] Play, [←/→] Seek, [Del] Remove
+                </p>
+            </aside>
+            <!-- Main Workspace -->
+            <section class="bg-white dark:bg-slate-800 rounded-2xl border border-slate-200 dark:border-slate-700 flex flex-col overflow-hidden min-h-[400px] shadow-sm">
+                <div id="workspaceEmpty" class="flex-1 flex flex-col items-center justify-center text-slate-400 dark:text-slate-500 p-10">
+                    <i data-lucide="activity" class="w-16 h-16 text-slate-300 dark:text-slate-700 mb-4"></i>
+                    <p class="text-lg text-slate-500 dark:text-slate-400">Select a file from the queue to edit</p>
+                </div>
+                <div id="workspaceActive" class="hidden flex-1 flex flex-col">
+                    <!-- File Header -->
+                    <div class="p-5 border-b border-slate-200 dark:border-slate-700 flex justify-between items-center bg-slate-50 dark:bg-slate-900/40">
+                        <h2 id="activeFileName" class="text-xl font-bold text-slate-800 dark:text-white truncate max-w-[60%]">filename.wav</h2>
+                        <!-- A/B Toggle -->
+                        <div id="abToggleContainer" class="hidden bg-slate-200 dark:bg-slate-900 p-1 rounded-lg border border-slate-300 dark:border-slate-700 flex items-center shadow-inner">
+                            <button id="btnOriginal" class="px-4 py-1.5 text-xs font-bold rounded-md bg-white dark:bg-slate-700 text-slate-800 dark:text-white transition-all shadow-sm">Original</button>
+                            <button id="btnCleaned" class="px-4 py-1.5 text-xs font-bold rounded-md text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-white transition-all">Cleaned</button>
+                        </div>
+                    </div>
+                    <!-- Waveform Area with Zoom -->
+                    <div class="flex-1 flex flex-col justify-center p-6 bg-slate-50 dark:bg-slate-900/20 relative">
+                        <!-- Zoom Slider -->
+                        <div class="absolute top-4 right-6 flex items-center gap-2 bg-white/90 dark:bg-slate-900/80 px-2 py-1.5 rounded-lg border border-slate-200 dark:border-slate-700 z-10 shadow-sm backdrop-blur">
+                            <i data-lucide="zoom-out" class="w-3 h-3 text-slate-400 dark:text-slate-500"></i>
+                            <input type="range" id="zoomSlider" min="0" max="200" value="0" title="Adjust Zoom (0 = Fit)" class="w-24 accent-primary-500 h-1 bg-slate-200 dark:bg-slate-700 rounded-lg cursor-pointer">
+                            <i data-lucide="zoom-in" class="w-3 h-3 text-slate-400 dark:text-slate-500"></i>
+                        </div>
+                        <div id="waveform" class="w-full"></div>
+                        <div id="timeDisplay" class="absolute bottom-4 right-6 text-xs font-mono text-slate-500 dark:text-slate-400 bg-white/90 dark:bg-slate-900/80 px-2 py-1 rounded shadow-sm border border-slate-200 dark:border-slate-700">00:00 / 00:00</div>
+                    </div>
+                    <!-- Trimming & Controls -->
+                    <div class="p-5 border-t border-slate-200 dark:border-slate-700 bg-white dark:bg-slate-800/80">
+                        <div class="flex flex-col md:flex-row gap-6 items-center justify-between">
+                            <!-- Playback -->
+                            <div class="flex items-center gap-3">
+                                <button id="playBtn" class="w-14 h-14 flex items-center justify-center bg-primary-600 hover:bg-primary-500 text-white rounded-full transition-all shadow-lg hover:scale-105">
+                                    <span id="iconPlayWrap" class="flex items-center justify-center ml-1"><i data-lucide="play" class="w-6 h-6 fill-current"></i></span>
+                                    <span id="iconPauseWrap" class="hidden items-center justify-center"><i data-lucide="pause" class="w-6 h-6 fill-current"></i></span>
+                                </button>
+                            </div>
+                            <!-- Trimming -->
+                            <div class="flex items-center gap-2 flex-1 max-w-xl">
+                                <i data-lucide="scissors" class="w-4 h-4 text-slate-400 dark:text-slate-500"></i>
+                                <div class="flex items-center gap-2 bg-slate-50 dark:bg-slate-900 p-2 rounded-lg border border-slate-200 dark:border-slate-700 flex-1">
+                                    <div class="flex-1 flex flex-col">
+                                        <label class="text-[10px] font-semibold text-slate-500 uppercase ml-1">Start (sec)</label>
+                                        <div class="flex gap-1 mt-0.5">
+                                            <input type="number" id="trimStart" step="0.1" min="0" value="0.0" class="w-full bg-white dark:bg-slate-800 text-slate-900 dark:text-white text-sm px-2 py-1 rounded border border-slate-200 dark:border-slate-600 focus:border-primary-500 outline-none font-mono">
+                                            <button id="setStartBtn" title="Set to current playhead" class="px-2 bg-slate-200 dark:bg-slate-700 hover:bg-slate-300 dark:hover:bg-slate-600 rounded text-slate-600 dark:text-slate-300 transition-colors"><i data-lucide="map-pin" class="w-3 h-3"></i></button>
+                                        </div>
+                                    </div>
+                                    <div class="w-4 border-t border-slate-300 dark:border-slate-600"></div>
+                                    <div class="flex-1 flex flex-col">
+                                        <label class="text-[10px] font-semibold text-slate-500 uppercase ml-1">End (sec)</label>
+                                        <div class="flex gap-1 mt-0.5">
+                                            <input type="number" id="trimEnd" step="0.1" min="0" value="0.0" class="w-full bg-white dark:bg-slate-800 text-slate-900 dark:text-white text-sm px-2 py-1 rounded border border-slate-200 dark:border-slate-600 focus:border-primary-500 outline-none font-mono">
+                                            <button id="setEndBtn" title="Set to current playhead" class="px-2 bg-slate-200 dark:bg-slate-700 hover:bg-slate-300 dark:hover:bg-slate-600 rounded text-slate-600 dark:text-slate-300 transition-colors"><i data-lucide="map-pin" class="w-3 h-3"></i></button>
+                                        </div>
+                                    </div>
+                                </div>
+                            </div>
+                            <!-- Download Single -->
+                            <div>
+                                <button id="downloadSingleBtn" class="hidden flex items-center gap-2 bg-slate-200 dark:bg-slate-700 hover:bg-slate-300 dark:hover:bg-slate-600 text-slate-800 dark:text-white px-4 py-3 rounded-lg text-sm font-medium transition-all border border-slate-300 dark:border-transparent">
+                                    <i data-lucide="download" class="w-4 h-4"></i> Save
+                                </button>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+                <!-- Global Overlay for App Status -->
+                <div id="globalStatus" class="hidden absolute inset-0 bg-white/90 dark:bg-slate-900/80 backdrop-blur-sm z-50 flex flex-col items-center justify-center rounded-2xl">
+                    <i data-lucide="loader-2" class="w-12 h-12 text-primary-500 spinner mb-4"></i>
+                    <h3 id="globalStatusTitle" class="text-xl font-bold text-slate-900 dark:text-white mb-2">Initializing AI Engine...</h3>
+                    <p id="globalStatusDesc" class="text-slate-500 dark:text-slate-400 text-sm max-w-sm text-center">Loading DeepFilterNet WebAssembly core.</p>
+                    <div class="w-64 bg-slate-200 dark:bg-slate-800 rounded-full h-2 mt-6 overflow-hidden border border-slate-300 dark:border-slate-700">
+                        <div id="globalProgressBar" class="bg-primary-500 h-2 rounded-full transition-all duration-300" style="width: 0%"></div>
+                    </div>
+                </div>
+            </section>
+        </main>
+    </div>
+    <script type="module">
+        import WaveSurfer from 'https://unpkg.com/wavesurfer.js@7/dist/wavesurfer.esm.js';
+        // --- HUGGING FACE DIRECT FETCH INTERCEPTOR ---
+        if (typeof window.SharedArrayBuffer === 'undefined') { window.SharedArrayBuffer = window.ArrayBuffer; }
+        const originalFetch = window.fetch;
+        window.fetch = async function(...args) {
+            let request = args[0];
+            let reqUrl = typeof request === 'string' ? request : (request && request.url);
+            if (reqUrl && typeof reqUrl === 'string') {
+                let newUrl = null;
+                if (reqUrl.includes('df_bg.wasm')) newUrl = 'https://huggingface.co/trysem/DeepFilterNet3/resolve/main/df_bg.wasm';
+                else if (reqUrl.includes('DeepFilterNet3_onnx.tar.gz')) newUrl = 'https://huggingface.co/trysem/DeepFilterNet3/resolve/main/DeepFilterNet3_onnx.tar.gz';
+                if (newUrl) args[0] = request instanceof Request ? new Request(newUrl, request) : newUrl;
+            }
+            return originalFetch.apply(this, args);
+        };
+        // --- STATE MANAGEMENT ---
+        const state = {
+            files: [],
+            activeId: null,
+            settings: { format: 'wav', normalize: true, noiseLevel: 100, bass: 0, treble: 0, gain: 0 },
+            dfNetProc: null,
+            wavesurfer: null,
+            playbackMode: 'original'
+        };
+        // --- UI BINDINGS ---
+        lucide.createIcons();
+        const UI = {
+            dropzone: document.getElementById('dropzone'), fileInput: document.getElementById('fileInput'),
+            dropzoneActions: document.getElementById('dropzoneActions'), dropzoneIndicatorText: document.getElementById('dropzoneIndicatorText'),
+            clearAllBtn: document.getElementById('clearAllBtn'), dropzoneIcon: document.getElementById('dropzoneIcon'),
+            fileList: document.getElementById('fileList'), queueCount: document.getElementById('queueCount'),
+            processBtn: document.getElementById('processBtn'), downloadZipBtn: document.getElementById('downloadZipBtn'),
+            workspaceEmpty: document.getElementById('workspaceEmpty'), workspaceActive: document.getElementById('workspaceActive'),
+            activeFileName: document.getElementById('activeFileName'), playBtn: document.getElementById('playBtn'),
+            iconPlayWrap: document.getElementById('iconPlayWrap'), iconPauseWrap: document.getElementById('iconPauseWrap'),
+            timeDisplay: document.getElementById('timeDisplay'), trimStart: document.getElementById('trimStart'),
+            trimEnd: document.getElementById('trimEnd'), abToggle: document.getElementById('abToggleContainer'),
+            btnOriginal: document.getElementById('btnOriginal'), btnCleaned: document.getElementById('btnCleaned'),
+            downloadSingleBtn: document.getElementById('downloadSingleBtn'), globalStatus: document.getElementById('globalStatus'),
+            statusTitle: document.getElementById('globalStatusTitle'), statusDesc: document.getElementById('globalStatusDesc'),
+            progressBar: document.getElementById('globalProgressBar'), themeToggle: document.getElementById('themeToggle'),
+            zoomSlider: document.getElementById('zoomSlider')
+        };
+        // --- THEME & SETTINGS LOGIC ---
+        UI.themeToggle.onclick = () => { document.documentElement.classList.toggle('dark'); };
+        document.getElementById('noiseLevel').addEventListener('input', (e) => {
+            state.settings.noiseLevel = parseInt(e.target.value, 10);
+            document.getElementById('noiseLevelValue').textContent = e.target.value + '%';
+        });
+        document.getElementById('normalizeCheck').addEventListener('change', (e) => state.settings.normalize = e.target.checked);
+        // EQ Settings
+        const updateEqLabel = (id, val) => { const v = parseFloat(val); document.getElementById(id).textContent = (v > 0 ? '+' : '') + v + 'dB'; };
+        document.getElementById('eqBass').addEventListener('input', (e) => { state.settings.bass = parseFloat(e.target.value); updateEqLabel('bassVal', e.target.value); });
+        document.getElementById('eqTreble').addEventListener('input', (e) => { state.settings.treble = parseFloat(e.target.value); updateEqLabel('trebleVal', e.target.value); });
+        document.getElementById('eqGain').addEventListener('input', (e) => { state.settings.gain = parseFloat(e.target.value); updateEqLabel('gainVal', e.target.value); });
+        // Format Toggle
+        const formatWav = document.getElementById('formatWav');
+        const formatMp3 = document.getElementById('formatMp3');
+        formatWav.onclick = () => { state.settings.format = 'wav'; formatWav.className = 'px-3 py-1.5 text-xs font-bold rounded-md bg-primary-600 text-white transition-all shadow-sm'; formatMp3.className = 'px-3 py-1.5 text-xs font-bold rounded-md text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-white transition-all'; };
+        formatMp3.onclick = () => { state.settings.format = 'mp3'; formatMp3.className = 'px-3 py-1.5 text-xs font-bold rounded-md bg-primary-600 text-white transition-all shadow-sm'; formatWav.className = 'px-3 py-1.5 text-xs font-bold rounded-md text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-white transition-all'; };
+        // --- DRAG & DROP LOGIC ---
+        ['dragenter', 'dragover', 'dragleave', 'drop'].forEach(e => UI.dropzone.addEventListener(e, ev => { ev.preventDefault(); ev.stopPropagation(); }, false));
+        ['dragenter', 'dragover'].forEach(e => UI.dropzone.addEventListener(e, () => UI.dropzone.classList.add('drag-active'), false));
+        ['dragleave', 'drop'].forEach(e => UI.dropzone.addEventListener(e, () => UI.dropzone.classList.remove('drag-active'), false));
+        UI.dropzone.addEventListener('drop', (e) => handleFiles(e.dataTransfer.files));
+        UI.dropzone.addEventListener('click', () => UI.fileInput.click());
+        UI.fileInput.addEventListener('change', (e) => handleFiles(e.target.files));
+        UI.clearAllBtn.onclick = () => {
+            state.files = [];
+            state.activeId = null;
+            UI.workspaceActive.classList.add('hidden');
+            UI.workspaceEmpty.classList.remove('hidden');
+            if (state.wavesurfer) {
+                state.wavesurfer.destroy();
+                state.wavesurfer = null;
+            }
+            UI.fileInput.value = '';
+            renderQueue();
+        };
+        // --- KEYBOARD SHORTCUTS ---
+        document.addEventListener('keydown', (e) => {
+            if (e.target.tagName === 'INPUT' || e.target.tagName === 'TEXTAREA') return;
+            if (!state.activeId) return;
+            switch(e.code) {
+                case 'Space':
+                    e.preventDefault();
+                    if (state.wavesurfer) state.wavesurfer.playPause();
+                    break;
+                case 'ArrowLeft':
+                    e.preventDefault();
+                    if (state.wavesurfer) state.wavesurfer.skip(-5);
+                    break;
+                case 'ArrowRight':
+                    e.preventDefault();
+                    if (state.wavesurfer) state.wavesurfer.skip(5);
+                    break;
+                case 'Delete':
+                case 'Backspace':
+                    e.preventDefault();
+                    removeFile(state.activeId);
+                    break;
+            }
+        });
+        // --- FILE HANDLING & QUEUE ---
+        function handleFiles(files) {
+            let added = false;
+            for (let f of files) {
+                if (!f.type.startsWith('audio/')) continue;
+                const id = 'f_' + Date.now() + Math.random().toString(36).substr(2, 5);
+                state.files.push({
+                    id, file: f, name: f.name, originalUrl: URL.createObjectURL(f),
+                    cleanedUrl: null, status: 'pending', duration: 0, startTrim: 0, endTrim: 0
+                });
+                added = true;
+            }
+            if (added) {
+                renderQueue();
+                UI.processBtn.disabled = false;
+                if (!state.activeId && state.files.length > 0) selectFile(state.files[0].id);
+            }
+        }
+        function renderQueue() {
+            UI.fileList.innerHTML = '';
+            UI.queueCount.textContent = `${state.files.length} file${state.files.length !== 1 ? 's' : ''}`;
+            // Toggle Dropzone Actions and Visual Indicator
+            if (state.files.length > 0) {
+                UI.dropzoneActions.classList.remove('hidden');
+                UI.dropzoneIndicatorText.textContent = `${state.files.length} file(s) ready`;
+                UI.dropzone.classList.remove('border-slate-300', 'dark:border-slate-600');
+                UI.dropzone.classList.add('border-primary-400', 'dark:border-primary-500', 'bg-primary-50/50', 'dark:bg-primary-900/20');
+                UI.dropzoneIcon.classList.remove('text-slate-400');
+                UI.dropzoneIcon.classList.add('text-primary-500');
+            } else {
+                UI.dropzoneActions.classList.add('hidden');
+                UI.dropzone.classList.add('border-slate-300', 'dark:border-slate-600');
+                UI.dropzone.classList.remove('border-primary-400', 'dark:border-primary-500', 'bg-primary-50/50', 'dark:bg-primary-900/20');
+                UI.dropzoneIcon.classList.add('text-slate-400');
+                UI.dropzoneIcon.classList.remove('text-primary-500');
+            }
+            if (state.files.length === 0) {
+                UI.fileList.innerHTML = '<div class="p-4 text-center text-slate-400 dark:text-slate-500 text-sm italic empty-state">Queue is empty.</div>';
+                UI.processBtn.disabled = true;
+                return;
+            }
+            state.files.forEach(item => {
+                const el = document.createElement('div');
+                const isActive = item.id === state.activeId;
+                let icon = '<i data-lucide="clock" class="w-4 h-4 text-slate-400"></i>';
+                if(item.status === 'processing') icon = '<i data-lucide="loader-2" class="w-4 h-4 text-primary-500 spinner"></i>';
+                if(item.status === 'done') icon = '<i data-lucide="check-circle-2" class="w-4 h-4 text-emerald-500 dark:text-emerald-400"></i>';
+                el.className = `p-3 rounded-lg flex items-center justify-between cursor-pointer border transition-all ${isActive ? 'bg-primary-50 dark:bg-primary-900/20 border-primary-500/50' : 'bg-white dark:bg-slate-900 border-slate-200 dark:border-slate-700 hover:border-slate-300 dark:hover:border-slate-500'}`;
+                el.innerHTML = `
+                    <div class="flex items-center gap-3 overflow-hidden">
+                        ${icon}
+                        <span class="text-sm truncate text-slate-700 dark:text-slate-200 ${isActive ? 'font-semibold' : ''}">${item.name}</span>
+                    </div>
+                    <button class="p-1 text-slate-400 hover:text-red-500 dark:hover:text-red-400 remove-btn transition-colors" data-id="${item.id}">
+                        <i data-lucide="x" class="w-4 h-4"></i>
+                    </button>
+                `;
+                el.onclick = (e) => { if(!e.target.closest('.remove-btn')) selectFile(item.id); };
+                el.querySelector('.remove-btn').onclick = () => removeFile(item.id);
+                UI.fileList.appendChild(el);
+            });
+            lucide.createIcons();
+            const doneCount = state.files.filter(f => f.status === 'done').length;
+            UI.downloadZipBtn.classList.toggle('hidden', doneCount < 1);
+        }
+        function removeFile(id) {
+            state.files = state.files.filter(f => f.id !== id);
+            if (state.activeId === id) {
+                state.activeId = null;
+                UI.workspaceActive.classList.add('hidden');
+                UI.workspaceEmpty.classList.remove('hidden');
+                if (state.wavesurfer) state.wavesurfer.destroy();
+                state.wavesurfer = null;
+            }
+            renderQueue();
+        }
+        // --- WORKSPACE & WAVESURFER ---
+        async function selectFile(id) {
+            state.activeId = id;
+            renderQueue();
+            const item = state.files.find(f => f.id === id);
+            UI.workspaceEmpty.classList.add('hidden');
+            UI.workspaceActive.classList.remove('hidden');
+            UI.activeFileName.textContent = item.name;
+            if (item.status === 'done') {
+                UI.abToggle.classList.remove('hidden');
+                UI.downloadSingleBtn.classList.remove('hidden');
+                setPlaybackMode('cleaned', item);
+            } else {
+                UI.abToggle.classList.add('hidden');
+                UI.downloadSingleBtn.classList.add('hidden');
+                setPlaybackMode('original', item);
+            }
+            initWavesurfer(item);
+        }
+        function initWavesurfer(item) {
+            if (state.wavesurfer) state.wavesurfer.destroy();
+            state.wavesurfer = WaveSurfer.create({
+                container: '#waveform',
+                waveColor: '#94a3b8',
+                progressColor: '#3b82f6',
+                cursorColor: '#60a5fa',
+                barWidth: 2,
+                barGap: 1,
+                barRadius: 2,
+                height: 120,
+                normalize: true,
+            });
+            const loadUrl = state.playbackMode === 'cleaned' ? item.cleanedUrl : item.originalUrl;
+            state.wavesurfer.load(loadUrl);
+            // By passing 0 to zoom initially, it defaults to fitting within the container boundary
+            UI.zoomSlider.value = 0;
+            state.wavesurfer.on('ready', () => {
+                const duration = state.wavesurfer.getDuration();
+                if (item.duration === 0) {
+                    item.duration = duration;
+                    item.endTrim = duration;
+                }
+                UI.trimStart.max = duration;
+                UI.trimEnd.max = duration;
+                UI.trimStart.value = item.startTrim.toFixed(1);
+                UI.trimEnd.value = item.endTrim.toFixed(1);
+                updateTimeDisplay();
+                // Reset Play Icon State
+                UI.iconPlayWrap.classList.remove('hidden');
+                UI.iconPlayWrap.classList.add('flex');
+                UI.iconPauseWrap.classList.add('hidden');
+                UI.iconPauseWrap.classList.remove('flex');
+            });
+            state.wavesurfer.on('audioprocess', updateTimeDisplay);
+            state.wavesurfer.on('seek', updateTimeDisplay);
+            // Morph Play Button accurately without erasing Lucide SVG mappings
+            state.wavesurfer.on('play', () => {
+                UI.iconPlayWrap.classList.add('hidden');
+                UI.iconPlayWrap.classList.remove('flex');
+                UI.iconPauseWrap.classList.remove('hidden');
+                UI.iconPauseWrap.classList.add('flex');
+            });
+            state.wavesurfer.on('pause', () => {
+                UI.iconPauseWrap.classList.add('hidden');
+                UI.iconPauseWrap.classList.remove('flex');
+                UI.iconPlayWrap.classList.remove('hidden');
+                UI.iconPlayWrap.classList.add('flex');
+            });
+        }
+        UI.zoomSlider.addEventListener('input', (e) => {
+            if (state.wavesurfer) state.wavesurfer.zoom(Number(e.target.value));
+        });
+        function updateTimeDisplay() {
+            if(!state.wavesurfer) return;
+            const cur = state.wavesurfer.getCurrentTime();
+            const tot = state.wavesurfer.getDuration() || 0;
+            UI.timeDisplay.textContent = `${formatTime(cur)} / ${formatTime(tot)}`;
+            const item = state.files.find(f => f.id === state.activeId);
+            if(item && item.status === 'pending') {
+               if (cur > item.endTrim && state.wavesurfer.isPlaying()) {
+                   state.wavesurfer.pause();
+                   state.wavesurfer.setTime(item.startTrim);
+               }
+            }
+        }
+        function formatTime(sec) {
+            const m = Math.floor(sec / 60);
+            const s = Math.floor(sec % 60);
+            return `${m.toString().padStart(2, '0')}:${s.toString().padStart(2, '0')}`;
+        }
+        UI.playBtn.onclick = () => state.wavesurfer && state.wavesurfer.playPause();
+        document.getElementById('setStartBtn').onclick = () => {
+            if(!state.wavesurfer) return;
+            UI.trimStart.value = state.wavesurfer.getCurrentTime().toFixed(1);
+            saveTrim();
+        };
+        document.getElementById('setEndBtn').onclick = () => {
+            if(!state.wavesurfer) return;
+            UI.trimEnd.value = state.wavesurfer.getCurrentTime().toFixed(1);
+            saveTrim();
+        };
+        UI.trimStart.onchange = saveTrim;
+        UI.trimEnd.onchange = saveTrim;
+        function saveTrim() {
+            const item = state.files.find(f => f.id === state.activeId);
+            if(!item || item.status !== 'pending') return;
+            let start = parseFloat(UI.trimStart.value) || 0;
+            let end = parseFloat(UI.trimEnd.value) || item.duration;
+            if(start < 0) start = 0;
+            if(end > item.duration) end = item.duration;
+            if(start >= end) start = end - 0.1;
+            UI.trimStart.value = start.toFixed(1);
+            UI.trimEnd.value = end.toFixed(1);
+            item.startTrim = start;
+            item.endTrim = end;
+        }
+        // A/B Toggle Logic
+        UI.btnOriginal.onclick = () => setPlaybackMode('original', state.files.find(f=>f.id===state.activeId));
+        UI.btnCleaned.onclick = () => setPlaybackMode('cleaned', state.files.find(f=>f.id===state.activeId));
+        function setPlaybackMode(mode, item) {
+            if (!item || !state.wavesurfer) return;
+            state.playbackMode = mode;
+            if (mode === 'original') {
+                UI.btnOriginal.className = 'px-4 py-1.5 text-xs font-bold rounded-md bg-white dark:bg-slate-700 text-slate-800 dark:text-white transition-all shadow-sm';
+                UI.btnCleaned.className = 'px-4 py-1.5 text-xs font-bold rounded-md text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-white transition-all';
+                state.wavesurfer.setOptions({ waveColor: '#94a3b8', progressColor: '#cbd5e1' });
+            } else {
+                UI.btnCleaned.className = 'px-4 py-1.5 text-xs font-bold rounded-md bg-primary-600 text-white transition-all shadow-sm';
+                UI.btnOriginal.className = 'px-4 py-1.5 text-xs font-bold rounded-md text-slate-500 dark:text-slate-400 hover:text-slate-800 dark:hover:text-white transition-all';
+                state.wavesurfer.setOptions({ waveColor: '#1e3a8a', progressColor: '#3b82f6' });
+            }
+            const curTime = state.wavesurfer.getCurrentTime();
+            const wasPlaying = state.wavesurfer.isPlaying();
+            state.wavesurfer.load(mode === 'cleaned' ? item.cleanedUrl : item.originalUrl).then(() => {
+                state.wavesurfer.setTime(curTime);
+                if(wasPlaying) state.wavesurfer.play();
+            });
+        }
+        // --- PROCESSING ENGINE (THE HEAVY LIFTING) ---
+        function setGlobalStatus(show, title='', desc='', progress=0) {
+            if (!show) { UI.globalStatus.classList.add('hidden'); return; }
+            UI.globalStatus.classList.remove('hidden');
+            UI.statusTitle.textContent = title;
+            UI.statusDesc.textContent = desc;
+            UI.progressBar.style.width = `${progress}%`;
+        }
+        UI.processBtn.onclick = async () => {
+            const pending = state.files.filter(f => f.status === 'pending');
+            if (pending.length === 0) return;
+            setGlobalStatus(true, "Initializing AI Engine...", "Loading DeepFilterNet WebAssembly core.", 10);
+            try {
+                if (!state.dfNetProc) {
+                    const dfModule = await import('https://esm.sh/deepfilternet3-noise-filter@1.2.1');
+                    const ProcessorClass = dfModule.DeepFilterNet3Core || dfModule.DeepFilterNoiseFilterProcessor;
+                    state.dfNetProc = new ProcessorClass({
+                        sampleRate: 48000,
+                        noiseReductionLevel: state.settings.noiseLevel,
+                        assetConfig: { cdnUrl: 'https://huggingface.co/trysem/DeepFilterNet3/resolve/main' }
+                    });
+                    await state.dfNetProc.initialize();
+                } else {
+                    state.dfNetProc.noiseReductionLevel = state.settings.noiseLevel;
+                }
+                const audioCtx = new (window.AudioContext || window.webkitAudioContext)({ sampleRate: 48000 });
+                for (let i = 0; i < pending.length; i++) {
+                    const item = pending[i];
+                    item.status = 'processing';
+                    renderQueue();
+                    const p = 10 + Math.floor((i / pending.length) * 90);
+                    setGlobalStatus(true, `Processing File ${i+1} of ${pending.length}`, `Cleaning: ${item.name}`, p);
+                    const arrayBuffer = await item.file.arrayBuffer();
+                    let decodedBuffer = await audioCtx.decodeAudioData(arrayBuffer);
+                    if (item.endTrim > 0 && (item.startTrim > 0 || item.endTrim < decodedBuffer.duration)) {
+                        const startSample = Math.floor(item.startTrim * 48000);
+                        let endSample = Math.floor(item.endTrim * 48000);
+                        if (endSample > decodedBuffer.length) endSample = decodedBuffer.length;
+                        const len = endSample - startSample;
+                        const trimmed = new AudioContext({sampleRate:48000}).createBuffer(decodedBuffer.numberOfChannels, len, 48000);
+                        for(let c=0; c<decodedBuffer.numberOfChannels; c++){
+                            trimmed.copyToChannel(decodedBuffer.getChannelData(c).subarray(startSample, endSample), c);
+                        }
+                        decodedBuffer = trimmed;
+                    }
+                    const offlineCtx = new OfflineAudioContext(1, decodedBuffer.length, 48000);
+                    const sourceNode = offlineCtx.createBufferSource();
+                    if (decodedBuffer.numberOfChannels > 1) {
+                        const mono = offlineCtx.createBuffer(1, decodedBuffer.length, 48000);
+                        const data = mono.getChannelData(0), left = decodedBuffer.getChannelData(0), right = decodedBuffer.getChannelData(1);
+                        for (let j = 0; j < decodedBuffer.length; j++) data[j] = (left[j] + right[j]) / 2;
+                        sourceNode.buffer = mono;
+                    } else {
+                        sourceNode.buffer = decodedBuffer;
+                    }
+                    // Audio Pipeline: Source -> DeepFilterNet -> Bass -> Treble -> Gain -> Destination
+                    const dfNode = await state.dfNetProc.createAudioWorkletNode(offlineCtx);
+                    const bassEq = offlineCtx.createBiquadFilter();
+                    bassEq.type = 'lowshelf';
+                    bassEq.frequency.value = 250;
+                    bassEq.gain.value = state.settings.bass;
+                    const trebleEq = offlineCtx.createBiquadFilter();
+                    trebleEq.type = 'highshelf';
+                    trebleEq.frequency.value = 4000;
+                    trebleEq.gain.value = state.settings.treble;
+                    const gainNode = offlineCtx.createGain();
+                    gainNode.gain.value = Math.pow(10, state.settings.gain / 20);
+                    sourceNode.connect(dfNode);
+                    dfNode.connect(bassEq);
+                    bassEq.connect(trebleEq);
+                    trebleEq.connect(gainNode);
+                    gainNode.connect(offlineCtx.destination);
+                    sourceNode.start(0);
+                    const renderedBuffer = await offlineCtx.startRendering();
+                    if (state.settings.normalize) {
+                        const dat = renderedBuffer.getChannelData(0);
+                        let max = 0;
+                        for(let j=0; j<dat.length; j++) { if(Math.abs(dat[j]) > max) max = Math.abs(dat[j]); }
+                        if (max > 0) {
+                            const multiplier = 0.95 / max;
+                            for(let j=0; j<dat.length; j++) dat[j] *= multiplier;
+                        }
+                    }
+                    let outBlob;
+                    if (state.settings.format === 'mp3') {
+                        setGlobalStatus(true, `Encoding MP3...`, `Compressing: ${item.name}`, p+5);
+                        outBlob = encodeToMP3(renderedBuffer);
+                    } else {
+                        outBlob = audioBufferToWav(renderedBuffer);
+                    }
+                    item.cleanedUrl = URL.createObjectURL(outBlob);
+                    item.blob = outBlob;
+                    item.status = 'done';
+                    decodedBuffer = null;
+                }
+                setGlobalStatus(false);
+                renderQueue();
+                if(state.activeId) selectFile(state.activeId);
+            } catch (err) {
+                console.error(err);
+                alert("An error occurred during processing. Check console.");
+                setGlobalStatus(false);
+            }
+        };
+        // --- ENCODERS ---
+        function audioBufferToWav(buffer) {
+            const numOfChan = buffer.numberOfChannels, len = buffer.length * numOfChan * 2 + 44;
+            const view = new DataView(new ArrayBuffer(len)), channels = [];
+            let offset = 0, pos = 0;
+            const setU16 = d => { view.setUint16(offset, d, true); offset += 2; };
+            const setU32 = d => { view.setUint32(offset, d, true); offset += 4; };
+            setU32(0x46464952); setU32(len - 8); setU32(0x45564157); setU32(0x20746d66); setU32(16); setU16(1); setU16(numOfChan);
+            setU32(buffer.sampleRate); setU32(buffer.sampleRate * 2 * numOfChan); setU16(numOfChan * 2); setU16(16); setU32(0x61746164); setU32(len - pos - 4);
+            for(let i=0; i<numOfChan; i++) channels.push(buffer.getChannelData(i));
+            while(pos < buffer.length) {
+                for(let i=0; i<numOfChan; i++) {
+                    let s = Math.max(-1, Math.min(1, channels[i][pos]));
+                    setU16(s < 0 ? s * 0x8000 : s * 0x7FFF);
+                }
+                pos++;
+            }
+            return new Blob([view.buffer], { type: "audio/wav" });
+        }
+        function encodeToMP3(audioBuffer) {
+            const encoder = new lamejs.Mp3Encoder(1, audioBuffer.sampleRate, 192);
+            const samples = audioBuffer.getChannelData(0);
+            const mp3Data = [];
+            const blockSize = 1152;
+            const int16Samples = new Int16Array(samples.length);
+            for (let i = 0; i < samples.length; i++) {
+                let s = Math.max(-1, Math.min(1, samples[i]));
+                int16Samples[i] = s < 0 ? s * 0x8000 : s * 0x7FFF;
+            }
+            for (let i = 0; i < int16Samples.length; i += blockSize) {
+                const chunk = int16Samples.subarray(i, i + blockSize);
+                const buf = encoder.encodeBuffer(chunk);
+                if (buf.length > 0) mp3Data.push(buf);
+            }
+            const flush = encoder.flush();
+            if (flush.length > 0) mp3Data.push(flush);
+            return new Blob(mp3Data, { type: 'audio/mp3' });
+        }
+        // --- DOWNLOAD ACTIONS ---
+        UI.downloadSingleBtn.onclick = () => {
+            const item = state.files.find(f => f.id === state.activeId);
+            if(!item || !item.cleanedUrl) return;
+            const ext = state.settings.format === 'mp3' ? '.mp3' : '.wav';
+            const a = document.createElement('a');
+            a.href = item.cleanedUrl;
+            a.download = `Cleaned_${item.name.replace(/\.[^/.]+$/, "")}${ext}`;
+            a.click();
+        };
+        UI.downloadZipBtn.onclick = async () => {
+            const doneFiles = state.files.filter(f => f.status === 'done');
+            if(doneFiles.length === 0) return;
+            const zip = new JSZip();
+            const ext = state.settings.format === 'mp3' ? '.mp3' : '.wav';
+            doneFiles.forEach(f => {
+                const safeName = `Cleaned_${f.name.replace(/\.[^/.]+$/, "")}${ext}`;
+                zip.file(safeName, f.blob);
+            });
+            setGlobalStatus(true, "Zipping files...", "Compressing your audio batch");
+            const content = await zip.generateAsync({type:"blob"});
+            setGlobalStatus(false);
+            const a = document.createElement('a');
+            a.href = URL.createObjectURL(content);
+            a.download = "DeepFilterNet_Batch.zip";
+            a.click();
+        };
+    </script>
+</body>
+</html>