diff --git a/public/compress.html b/public/compress.html
index 8fe4200..5f555a9 100644
--- a/public/compress.html
+++ b/public/compress.html
@@ -35,12 +35,16 @@
 
     <!-- Header -->
     <div class="text-center mb-8 fade-up">
-        <div class="page-header">
-            <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
-                Конвертер <span class="text-accent">изображений</span>
-            </h1>
-            <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">до 50 файлов &middot; до 20 МБ каждый</p>
+        <div class="page-header" style="text-align:center;">
+        <div class="inline-flex items-center gap-2 mb-3 px-3 py-1 rounded-full border dark:border-surface-600 border-gray-300 dark:bg-surface-800/60 bg-white/60 text-xs font-mono dark:text-gray-400 text-gray-500 tracking-wide">
+            <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
+            JPEG · PNG · WebP · AVIF · TIFF · GIF
         </div>
+        <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
+            Конвертер <span class="text-accent">изображений</span>
+        </h1>
+        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">Сжатие, ресайз и конвертация до 50 файлов · до 20 МБ</p>
+    </div>
     </div>
 
     <!-- Main Card -->
diff --git a/public/converter.html b/public/converter.html
index d2c16bf..5c67ddc 100644
--- a/public/converter.html
+++ b/public/converter.html
@@ -21,7 +21,7 @@
 <div class="main-content">
 <div class="tool-container relative z-10 max-w-3xl mx-auto px-4 py-8 sm:py-12">
 
-    <div class="page-header text-center mb-8 fade-up">
+    <div class="page-header" style="text-align:center; mb-8 fade-up">
         <div class="inline-flex items-center gap-2 mb-3 px-3 py-1 rounded-full border dark:border-surface-600 border-gray-300 dark:bg-surface-800/60 bg-white/60 text-xs font-mono dark:text-gray-400 text-gray-500 tracking-wide">
             <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
             HTML &harr; Markdown
@@ -29,7 +29,7 @@
         <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
             Format <span class="text-accent">Converter</span>
         </h1>
-        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">конвертация между HTML и Markdown</p>
+        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">Конвертация между HTML и Markdown с сохранением форматирования</p>
     </div>
 
     <!-- Tool Toggle -->
diff --git a/public/formatter.html b/public/formatter.html
index eb27d05..0e693f9 100644
--- a/public/formatter.html
+++ b/public/formatter.html
@@ -20,7 +20,7 @@
 <div class="main-content">
 <div class="tool-container relative z-10 max-w-3xl mx-auto px-4 py-8 sm:py-12">
 
-    <div class="page-header text-center mb-8 fade-up">
+    <div class="page-header" style="text-align:center; mb-8 fade-up">
         <div class="inline-flex items-center gap-2 mb-3 px-3 py-1 rounded-full border dark:border-surface-600 border-gray-300 dark:bg-surface-800/60 bg-white/60 text-xs font-mono dark:text-gray-400 text-gray-500 tracking-wide">
             <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
             CSS &middot; JavaScript
@@ -28,7 +28,7 @@
         <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
             Code <span class="text-accent">Formatter</span>
         </h1>
-        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">форматирование и beautify кода</p>
+        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">Форматирование и beautify кода с правильными отступами</p>
     </div>
 
     <!-- Tool Toggle -->
diff --git a/public/httpclient.html b/public/httpclient.html
index 0e13fc5..eb9bc3a 100644
--- a/public/httpclient.html
+++ b/public/httpclient.html
@@ -219,11 +219,15 @@
 <div class="tool-container relative z-10 max-w-7xl mx-auto px-4">
 
     <!-- Header -->
-    <div class="page-header">
+    <div class="page-header" style="text-align:center;">
+        <div class="inline-flex items-center gap-2 mb-3 px-3 py-1 rounded-full border dark:border-surface-600 border-gray-300 dark:bg-surface-800/60 bg-white/60 text-xs font-mono dark:text-gray-400 text-gray-500 tracking-wide">
+            <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
+            GET · POST · PUT · DELETE
+        </div>
         <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
-            HTTP <span class="text-accent">Клиент</span>
+            HTTP <span class="text-accent">клиент</span>
         </h1>
-        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">тест API запросов</p>
+        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">Тестирование API-запросов — Postman в браузере</p>
     </div>
 
     <!-- URL Bar -->
diff --git a/public/md.html b/public/md.html
index 13c59dd..86ca169 100644
--- a/public/md.html
+++ b/public/md.html
@@ -59,12 +59,16 @@
             <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
             MD Viewer
         </div>
-        <div class="page-header">
-            <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
-                Просмотр <span class="text-accent">Markdown</span>
-            </h1>
-            <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">drag-drop файл или вставьте текст</p>
+        <div class="page-header" style="text-align:center;">
+        <div class="inline-flex items-center gap-2 mb-3 px-3 py-1 rounded-full border dark:border-surface-600 border-gray-300 dark:bg-surface-800/60 bg-white/60 text-xs font-mono dark:text-gray-400 text-gray-500 tracking-wide">
+            <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
+            MD · GitHub Flavored
         </div>
+        <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
+            Просмотр <span class="text-accent">Markdown</span>
+        </h1>
+        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">Рендеринг Markdown с подсветкой синтаксиса и экспортом</p>
+    </div>
     </div>
 
     <!-- Input Card -->
diff --git a/public/parser.html b/public/parser.html
index 185a80a..4e2ffac 100644
--- a/public/parser.html
+++ b/public/parser.html
@@ -47,12 +47,16 @@
             <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
             URL Article Parser
         </div>
-        <div class="page-header">
-            <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
-                Парсер <span class="text-accent">статей</span>
-            </h1>
-            <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">извлечение контента из любой веб-страницы</p>
+        <div class="page-header" style="text-align:center;">
+        <div class="inline-flex items-center gap-2 mb-3 px-3 py-1 rounded-full border dark:border-surface-600 border-gray-300 dark:bg-surface-800/60 bg-white/60 text-xs font-mono dark:text-gray-400 text-gray-500 tracking-wide">
+            <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
+            HTML · Readability · Meta
         </div>
+        <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
+            Парсер <span class="text-accent">статей</span>
+        </h1>
+        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">Извлечение контента, метаданных и изображений из любой страницы</p>
+    </div>
     </div>
 
     <!-- Input Card -->
diff --git a/public/password.html b/public/password.html
index fcba981..5e3d8e7 100644
--- a/public/password.html
+++ b/public/password.html
@@ -71,12 +71,16 @@
 
     <!-- Header -->
     <div class="text-center mb-8 fade-up">
-        <div class="page-header">
-            <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
-                Генератор <span class="text-accent">паролей</span>
-            </h1>
-            <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">криптографически стойкая генерация</p>
+        <div class="page-header" style="text-align:center;">
+        <div class="inline-flex items-center gap-2 mb-3 px-3 py-1 rounded-full border dark:border-surface-600 border-gray-300 dark:bg-surface-800/60 bg-white/60 text-xs font-mono dark:text-gray-400 text-gray-500 tracking-wide">
+            <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
+            A-Z · a-z · 0-9 · !@#$
         </div>
+        <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
+            Генератор <span class="text-accent">паролей</span>
+        </h1>
+        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">Криптографически стойкая генерация паролей любой сложности</p>
+    </div>
     </div>
 
     <!-- Settings Card -->
diff --git a/public/pdf.html b/public/pdf.html
index cce1691..458144c 100644
--- a/public/pdf.html
+++ b/public/pdf.html
@@ -637,9 +637,15 @@
 <div class="tool-container max-w-3xl mx-auto">
 
     <!-- Page header -->
-    <div class="page-header">
-        <h1>PDF <span class="text-accent">инструменты</span></h1>
-        <p class="description">объединение, разделение, сжатие, конвертация и защита</p>
+    <div class="page-header" style="text-align:center;">
+        <div class="inline-flex items-center gap-2 mb-3 px-3 py-1 rounded-full border dark:border-surface-600 border-gray-300 dark:bg-surface-800/60 bg-white/60 text-xs font-mono dark:text-gray-400 text-gray-500 tracking-wide">
+            <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
+            Merge · Split · Rotate · Compress
+        </div>
+        <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
+            PDF <span class="text-accent">инструменты</span>
+        </h1>
+        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">Объединение, разделение, сжатие, конвертация и защита</p>
     </div>
 
     <!-- Error display -->
diff --git a/public/placeholder.html b/public/placeholder.html
index c343b35..ebd6021 100644
--- a/public/placeholder.html
+++ b/public/placeholder.html
@@ -46,12 +46,16 @@
             <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
             PNG &middot; JPG &middot; WebP
         </div>
-        <div class="page-header">
-            <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
-                Placeholder <span class="text-accent">генератор</span>
-            </h1>
-            <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">изображения-заглушки любого размера</p>
+        <div class="page-header" style="text-align:center;">
+        <div class="inline-flex items-center gap-2 mb-3 px-3 py-1 rounded-full border dark:border-surface-600 border-gray-300 dark:bg-surface-800/60 bg-white/60 text-xs font-mono dark:text-gray-400 text-gray-500 tracking-wide">
+            <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
+            PNG · JPG · WebP
         </div>
+        <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
+            Placeholder <span class="text-accent">генератор</span>
+        </h1>
+        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">Изображения-заглушки любого размера, цвета и формата</p>
+    </div>
     </div>
 
     <!-- Controls Card -->
diff --git a/public/redirects.html b/public/redirects.html
index afb78b0..7a9788c 100644
--- a/public/redirects.html
+++ b/public/redirects.html
@@ -242,11 +242,15 @@
 <div class="tool-container relative z-10 max-w-5xl mx-auto px-4">
 
     <!-- Header -->
-    <div class="page-header">
+    <div class="page-header" style="text-align:center;">
+        <div class="inline-flex items-center gap-2 mb-3 px-3 py-1 rounded-full border dark:border-surface-600 border-gray-300 dark:bg-surface-800/60 bg-white/60 text-xs font-mono dark:text-gray-400 text-gray-500 tracking-wide">
+            <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
+            HTTP 301 · 302 · 307 · 308
+        </div>
         <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
-            Redirect <span class="text-accent">Анализатор</span>
+            Redirect <span class="text-accent">анализатор</span>
         </h1>
-        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">анализ цепочки HTTP-редиректов</p>
+        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">Полная цепочка HTTP-редиректов с заголовками</p>
     </div>
 
     <!-- URL Bar -->
diff --git a/public/sanitizer.html b/public/sanitizer.html
index e49a84f..9a4fa59 100644
--- a/public/sanitizer.html
+++ b/public/sanitizer.html
@@ -22,15 +22,15 @@
 <div class="main-content">
 <div class="tool-container relative z-10 max-w-3xl mx-auto px-4 py-8 sm:py-12">
 
-    <div class="page-header text-center mb-8 fade-up">
+    <div class="page-header" style="text-align:center; mb-8 fade-up">
         <div class="inline-flex items-center gap-2 mb-3 px-3 py-1 rounded-full border dark:border-surface-600 border-gray-300 dark:bg-surface-800/60 bg-white/60 text-xs font-mono dark:text-gray-400 text-gray-500 tracking-wide">
             <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
-            XSS Protection &middot; Client-side
+            XSS · Entities · Minify
         </div>
         <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
             HTML <span class="text-accent">Sanitizer</span>
         </h1>
-        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">очистка, извлечение текста, entities, минификация</p>
+        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">Очистка, извлечение текста, кодирование entities и минификация</p>
     </div>
 
     <!-- Tool Grid -->
diff --git a/public/video.html b/public/video.html
index df221f8..d0e3a1a 100644
--- a/public/video.html
+++ b/public/video.html
@@ -1,1091 +1,1095 @@
-<!DOCTYPE html>
-<html lang="ru">
-<head>
-    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>WA Dev Tools — Видео конвертер</title>
-    <script src="/vendor/tailwind.js"></script>
-    <script>window.WA_TOOL_ID = 'video';</script>
-    <script src="/shared.js?v=2"></script>
-    <link href="/vendor/fonts.css" rel="stylesheet">
-    <link href="/shared.css" rel="stylesheet">
-    <style>
-        /* Drop zone */
-        .drop-zone {
-            border: 2px dashed var(--surface-600);
-            border-radius: 16px;
-            padding: 48px 24px;
-            text-align: center;
-            cursor: pointer;
-            transition: border-color .2s, background .2s;
-            background: var(--surface-700);
-        }
-        .drop-zone:hover,
-        .drop-zone.drag-over {
-            border-color: var(--accent);
-            background: var(--accent-bg);
-        }
-        .drop-zone.drag-over .drop-icon {
-            color: var(--accent);
-        }
-        .drop-icon {
-            color: var(--text-muted);
-            transition: color .2s;
-            margin-bottom: 16px;
-            display: flex;
-            justify-content: center;
-        }
-        .drop-label {
-            font-size: 15px;
-            font-weight: 600;
-            color: var(--text-primary);
-            margin-bottom: 6px;
-        }
-        .drop-hint {
-            font-size: 12px;
-            color: var(--text-muted);
-            font-family: 'JetBrains Mono', monospace;
-        }
-
-        /* Video info card */
-        .info-card {
-            background: var(--surface-700);
-            border: 1px solid var(--surface-600);
-            border-radius: 12px;
-            padding: 20px;
-        }
-        .info-grid {
-            display: grid;
-            grid-template-columns: 1fr 1fr;
-            gap: 10px 24px;
-        }
-        .info-row {
-            display: flex;
-            flex-direction: column;
-            gap: 2px;
-        }
-        .info-key {
-            font-size: 11px;
-            color: var(--text-muted);
-            font-family: 'JetBrains Mono', monospace;
-            text-transform: uppercase;
-            letter-spacing: 0.05em;
-        }
-        .info-val {
-            font-size: 13px;
-            font-weight: 600;
-            color: var(--text-primary);
-            font-family: 'JetBrains Mono', monospace;
-        }
-        .info-filename {
-            font-size: 14px;
-            font-weight: 700;
-            color: var(--text-primary);
-            margin-bottom: 14px;
-            word-break: break-all;
-            display: flex;
-            align-items: center;
-            gap: 8px;
-        }
-        .info-filename-icon {
-            flex-shrink: 0;
-            color: var(--accent);
-        }
-
-        /* Mode tabs */
-        .mode-tabs {
-            display: flex;
-            gap: 4px;
-            background: var(--surface-700);
-            border: 1px solid var(--surface-600);
-            border-radius: 10px;
-            padding: 4px;
-        }
-        .mode-tab {
-            flex: 1;
-            padding: 9px 12px;
-            border-radius: 7px;
-            border: none;
-            background: transparent;
-            color: var(--text-muted);
-            font-family: 'Manrope', sans-serif;
-            font-size: 13px;
-            font-weight: 600;
-            cursor: pointer;
-            transition: all .2s;
-            white-space: nowrap;
-        }
-        .mode-tab:hover {
-            color: var(--text-secondary);
-            background: var(--surface-600);
-        }
-        .mode-tab.active {
-            background: var(--accent);
-            color: #fff;
-        }
-        .mode-tab:disabled {
-            opacity: 0.4;
-            cursor: not-allowed;
-        }
-
-        /* Mode panels */
-        .mode-panel { display: none; }
-        .mode-panel.active { display: block; }
-
-        /* Option group */
-        .option-group {
-            display: flex;
-            flex-direction: column;
-            gap: 8px;
-        }
-        .option-label {
-            font-size: 12px;
-            font-weight: 600;
-            color: var(--text-secondary);
-            text-transform: uppercase;
-            letter-spacing: 0.04em;
-            font-family: 'JetBrains Mono', monospace;
-        }
-
-        /* Button group (format selector) */
-        .btn-group {
-            display: flex;
-            gap: 4px;
-            flex-wrap: wrap;
-        }
-        .btn-option {
-            padding: 8px 18px;
-            border-radius: 8px;
-            border: 1px solid var(--surface-600);
-            background: var(--surface-700);
-            color: var(--text-secondary);
-            font-family: 'JetBrains Mono', monospace;
-            font-size: 13px;
-            font-weight: 600;
-            cursor: pointer;
-            transition: all .2s;
-        }
-        .btn-option:hover {
-            border-color: var(--accent);
-            color: var(--text-primary);
-        }
-        .btn-option.selected {
-            background: var(--accent);
-            border-color: var(--accent);
-            color: #fff;
-        }
-        .btn-option:disabled {
-            opacity: 0.4;
-            cursor: not-allowed;
-        }
-
-        /* Quality row (with estimated size) */
-        .quality-option {
-            display: flex;
-            align-items: center;
-            justify-content: space-between;
-            padding: 12px 16px;
-            border-radius: 10px;
-            border: 1px solid var(--surface-600);
-            background: var(--surface-700);
-            cursor: pointer;
-            transition: all .2s;
-        }
-        .quality-option:hover {
-            border-color: var(--accent);
-        }
-        .quality-option.selected {
-            border-color: var(--accent);
-            background: var(--accent-bg);
-        }
-        .quality-option input[type="radio"] {
-            display: none;
-        }
-        .quality-label {
-            font-size: 14px;
-            font-weight: 600;
-            color: var(--text-primary);
-        }
-        .quality-desc {
-            font-size: 11px;
-            color: var(--text-muted);
-            font-family: 'JetBrains Mono', monospace;
-            margin-top: 2px;
-        }
-        .quality-estimate {
-            font-size: 12px;
-            font-family: 'JetBrains Mono', monospace;
-            color: var(--accent-bright);
-            font-weight: 600;
-        }
-
-        /* Time range inputs (GIF mode) */
-        .time-inputs {
-            display: grid;
-            grid-template-columns: 1fr 1fr;
-            gap: 12px;
-        }
-        .time-field {
-            display: flex;
-            flex-direction: column;
-            gap: 6px;
-        }
-        .time-input-label {
-            font-size: 11px;
-            font-family: 'JetBrains Mono', monospace;
-            color: var(--text-muted);
-            text-transform: uppercase;
-            letter-spacing: 0.04em;
-        }
-        .gif-note {
-            font-size: 12px;
-            color: var(--text-muted);
-            font-family: 'JetBrains Mono', monospace;
-            background: var(--surface-700);
-            border: 1px solid var(--surface-600);
-            border-radius: 8px;
-            padding: 10px 14px;
-            margin-top: 4px;
-        }
-
-        /* Progress */
-        .progress-wrap {
-            background: var(--surface-700);
-            border: 1px solid var(--surface-600);
-            border-radius: 12px;
-            padding: 24px;
-        }
-        .progress-bar-track {
-            background: var(--surface-600);
-            border-radius: 99px;
-            height: 8px;
-            overflow: hidden;
-            margin: 14px 0 10px;
-        }
-        .progress-bar-fill {
-            height: 100%;
-            background: var(--accent);
-            border-radius: 99px;
-            transition: width .3s ease;
-            width: 0%;
-        }
-        .progress-status {
-            font-size: 13px;
-            font-family: 'JetBrains Mono', monospace;
-            color: var(--text-secondary);
-        }
-        .progress-percent {
-            font-size: 13px;
-            font-family: 'JetBrains Mono', monospace;
-            color: var(--accent);
-            font-weight: 700;
-        }
-
-        /* Result card */
-        .result-card {
-            background: var(--surface-700);
-            border: 1px solid var(--surface-600);
-            border-radius: 12px;
-            padding: 24px;
-        }
-        .result-stats {
-            display: grid;
-            grid-template-columns: repeat(3, 1fr);
-            gap: 16px;
-            margin-bottom: 20px;
-        }
-        .result-stat {
-            text-align: center;
-        }
-        .result-stat-val {
-            font-size: 20px;
-            font-weight: 800;
-            color: var(--text-primary);
-            font-family: 'JetBrains Mono', monospace;
-        }
-        .result-stat-val.accent {
-            color: var(--accent);
-        }
-        .result-stat-val.green {
-            color: #22c55e;
-        }
-        .result-stat-label {
-            font-size: 11px;
-            color: var(--text-muted);
-            font-family: 'JetBrains Mono', monospace;
-            margin-top: 4px;
-        }
-
-        /* Error */
-        .error-box {
-            background: rgba(255, 82, 82, 0.08);
-            border: 1px solid rgba(255, 82, 82, 0.25);
-            border-radius: 10px;
-            padding: 14px 16px;
-            font-size: 13px;
-            color: #ff5252;
-            font-family: 'JetBrains Mono', monospace;
-        }
-
-        /* Separator */
-        .step-separator {
-            height: 1px;
-            background: var(--surface-600);
-            margin: 4px 0;
-        }
-
-        /* Upload progress overlay in drop zone */
-        .uploading-overlay {
-            display: flex;
-            flex-direction: column;
-            align-items: center;
-            gap: 12px;
-        }
-        .spinner {
-            width: 32px;
-            height: 32px;
-            border: 3px solid var(--surface-600);
-            border-top-color: var(--accent);
-            border-radius: 50%;
-            animation: spin .7s linear infinite;
-        }
-        @keyframes spin { to { transform: rotate(360deg); } }
-
-        /* Section labels */
-        .section-title {
-            font-size: 13px;
-            font-weight: 700;
-            color: var(--text-secondary);
-            text-transform: uppercase;
-            letter-spacing: 0.06em;
-            font-family: 'JetBrains Mono', monospace;
-            margin-bottom: 12px;
-            display: flex;
-            align-items: center;
-            gap: 8px;
-        }
-        .section-num {
-            width: 22px;
-            height: 22px;
-            border-radius: 50%;
-            background: var(--accent-bg);
-            color: var(--accent);
-            font-size: 11px;
-            font-weight: 800;
-            display: flex;
-            align-items: center;
-            justify-content: center;
-            flex-shrink: 0;
-        }
-
-        @media (max-width: 480px) {
-            .mode-tabs { flex-wrap: wrap; }
-            .mode-tab { flex: 1 1 calc(50% - 4px); }
-            .result-stats { grid-template-columns: 1fr 1fr; }
-            .result-stats .result-stat:last-child { grid-column: 1 / -1; }
-        }
-    </style>
-</head>
-<body class="font-sans antialiased">
-
-<div class="main-content">
-<div class="tool-container max-w-3xl mx-auto">
-
-    <!-- Page header -->
-    <div class="page-header">
-        <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
-            Видео <span class="text-accent">конвертер</span>
-        </h1>
-        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">конвертация, сжатие, извлечение аудио, GIF</p>
-    </div>
-
-    <!-- Error display -->
-    <div id="errorBox" class="error-box" style="display:none; margin-bottom:20px;"></div>
-
-    <!-- Step 1: Upload -->
-    <div id="stepUpload" style="margin-bottom:24px;">
-        <div class="section-title">
-            <span class="section-num">1</span>
-            Загрузка файла
-        </div>
-
-        <!-- Drop zone (default state) -->
-        <div id="dropZone" class="drop-zone" tabindex="0" role="button" aria-label="Загрузить видео">
-            <div id="dropZoneContent">
-                <div class="drop-icon">
-                    <svg width="48" height="48" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="1.2">
-                        <path stroke-linecap="round" stroke-linejoin="round" d="M3 16.5v2.25A2.25 2.25 0 005.25 21h13.5A2.25 2.25 0 0021 18.75V16.5m-13.5-9L12 3m0 0l4.5 4.5M12 3v13.5"/>
-                    </svg>
-                </div>
-                <div class="drop-label">Перетащите видео или нажмите для выбора</div>
-                <div class="drop-hint" style="margin-top:6px;">MP4, WebM, MOV, AVI, MKV, MPEG, 3GP, OGG, FLV, WMV — до 200 МБ</div>
-            </div>
-            <input type="file" id="fileInput" accept=".mp4,.webm,.mov,.avi,.mkv,.mpeg,.mpg,.3gp,.ogg,.flv,.wmv" style="display:none;" />
-        </div>
-    </div>
-
-    <!-- Step 2+: shown after upload -->
-    <div id="stepConfig" style="display:none;">
-
-        <!-- Video info card -->
-        <div style="margin-bottom:24px;">
-            <div class="section-title">
-                <span class="section-num">1</span>
-                Информация о файле
-            </div>
-            <div class="info-card">
-                <div class="info-filename">
-                    <svg class="info-filename-icon" width="18" height="18" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="1.5">
-                        <path stroke-linecap="round" stroke-linejoin="round" d="M15.75 10.5l4.72-4.72a.75.75 0 011.28.53v11.38a.75.75 0 01-1.28.53l-4.72-4.72M4.5 18.75h9a2.25 2.25 0 002.25-2.25v-9a2.25 2.25 0 00-2.25-2.25h-9A2.25 2.25 0 002.25 7.5v9a2.25 2.25 0 002.25 2.25z"/>
-                    </svg>
-                    <span id="infoFilename"></span>
-                </div>
-                <div class="info-grid">
-                    <div class="info-row">
-                        <span class="info-key">Размер</span>
-                        <span class="info-val" id="infoSize">—</span>
-                    </div>
-                    <div class="info-row">
-                        <span class="info-key">Длительность</span>
-                        <span class="info-val" id="infoDuration">—</span>
-                    </div>
-                    <div class="info-row">
-                        <span class="info-key">Разрешение</span>
-                        <span class="info-val" id="infoResolution">—</span>
-                    </div>
-                    <div class="info-row">
-                        <span class="info-key">Видео кодек</span>
-                        <span class="info-val" id="infoCodec">—</span>
-                    </div>
-                    <div class="info-row">
-                        <span class="info-key">Аудио кодек</span>
-                        <span class="info-val" id="infoAudioCodec">—</span>
-                    </div>
-                    <div class="info-row">
-                        <span class="info-key">Битрейт</span>
-                        <span class="info-val" id="infoBitrate">—</span>
-                    </div>
-                </div>
-                <div style="margin-top:14px; padding-top:14px; border-top:1px solid var(--surface-600);">
-                    <button id="btnChangeFile" class="wa-btn" style="background:var(--surface-600);color:var(--text-secondary);font-size:12px;padding:7px 14px;">
-                        Выбрать другой файл
-                    </button>
-                </div>
-            </div>
-        </div>
-
-        <!-- Mode selection -->
-        <div style="margin-bottom:24px;">
-            <div class="section-title">
-                <span class="section-num">2</span>
-                Режим обработки
-            </div>
-            <div class="mode-tabs" role="tablist">
-                <button class="mode-tab active" data-mode="convert" role="tab" aria-selected="true">Конвертация</button>
-                <button class="mode-tab" data-mode="compress" role="tab" aria-selected="false">Сжатие</button>
-                <button class="mode-tab" data-mode="audio" role="tab" aria-selected="false">Аудио</button>
-                <button class="mode-tab" data-mode="gif" role="tab" aria-selected="false">GIF</button>
-            </div>
-        </div>
-
-        <!-- Mode panel: Конвертация -->
-        <div id="panel-convert" class="mode-panel active" style="margin-bottom:24px;">
-            <div class="wa-card">
-                <div class="option-group">
-                    <span class="option-label">Выходной формат</span>
-                    <div class="btn-group" id="convertFormats">
-                        <button class="btn-option selected" data-value="mp4">MP4</button>
-                        <button class="btn-option" data-value="webm">WebM</button>
-                        <button class="btn-option" data-value="avi">AVI</button>
-                        <button class="btn-option" data-value="mkv">MKV</button>
-                    </div>
-                </div>
-            </div>
-        </div>
-
-        <!-- Mode panel: Сжатие -->
-        <div id="panel-compress" class="mode-panel" style="margin-bottom:24px;">
-            <div class="wa-card">
-                <div class="option-group">
-                    <span class="option-label">Качество</span>
-                    <label class="quality-option selected" data-value="high">
-                        <input type="radio" name="quality" value="high" checked />
-                        <div>
-                            <div class="quality-label">Высокое</div>
-                            <div class="quality-desc">минимальные потери, ~70% от оригинала</div>
-                        </div>
-                        <div class="quality-estimate" id="est-high">—</div>
-                    </label>
-                    <label class="quality-option" data-value="medium">
-                        <input type="radio" name="quality" value="medium" />
-                        <div>
-                            <div class="quality-label">Среднее</div>
-                            <div class="quality-desc">баланс качества и размера, ~40%</div>
-                        </div>
-                        <div class="quality-estimate" id="est-medium">—</div>
-                    </label>
-                    <label class="quality-option" data-value="low">
-                        <input type="radio" name="quality" value="low" />
-                        <div>
-                            <div class="quality-label">Низкое</div>
-                            <div class="quality-desc">максимальное сжатие, ~20%</div>
-                        </div>
-                        <div class="quality-estimate" id="est-low">—</div>
-                    </label>
-                </div>
-            </div>
-        </div>
-
-        <!-- Mode panel: Аудио -->
-        <div id="panel-audio" class="mode-panel" style="margin-bottom:24px;">
-            <div class="wa-card">
-                <div class="option-group">
-                    <span class="option-label">Формат аудио</span>
-                    <div class="btn-group" id="audioFormats">
-                        <button class="btn-option selected" data-value="mp3">MP3</button>
-                        <button class="btn-option" data-value="aac">AAC</button>
-                    </div>
-                    <div class="gif-note" style="margin-top:8px;">
-                        Аудиодорожка будет извлечена из видео без перекодирования, где возможно.
-                    </div>
-                </div>
-            </div>
-        </div>
-
-        <!-- Mode panel: GIF -->
-        <div id="panel-gif" class="mode-panel" style="margin-bottom:24px;">
-            <div class="wa-card">
-                <div class="option-group">
-                    <span class="option-label">Временной диапазон</span>
-                    <div class="time-inputs">
-                        <div class="time-field">
-                            <span class="time-input-label">Начало (сек)</span>
-                            <input type="number" id="gifStart" class="wa-input" min="0" step="0.1" value="0" placeholder="0" />
-                        </div>
-                        <div class="time-field">
-                            <span class="time-input-label">Конец (сек)</span>
-                            <input type="number" id="gifEnd" class="wa-input" min="0" step="0.1" placeholder="авто" />
-                        </div>
-                    </div>
-                    <div class="gif-note">
-                        Максимальная длительность GIF — 15 секунд. Разрешение уменьшается до 480px по ширине для оптимального размера.
-                    </div>
-                </div>
-            </div>
-        </div>
-
-        <!-- Step 3: Convert button + progress -->
-        <div style="margin-bottom:24px;">
-            <div class="section-title">
-                <span class="section-num">3</span>
-                Обработка
-            </div>
-
-            <!-- Convert button -->
-            <div id="convertAction">
-                <button id="btnConvert" class="wa-btn" style="width:100%;padding:14px 24px;font-size:15px;">
-                    Конвертировать
-                </button>
-            </div>
-
-            <!-- Progress -->
-            <div id="progressWrap" class="progress-wrap" style="display:none;">
-                <div style="display:flex;justify-content:space-between;align-items:center;">
-                    <span class="progress-status" id="progressStatus">Подготовка...</span>
-                    <span class="progress-percent" id="progressPercent">0%</span>
-                </div>
-                <div class="progress-bar-track">
-                    <div class="progress-bar-fill" id="progressFill"></div>
-                </div>
-                <div style="font-size:11px;color:var(--text-muted);font-family:'JetBrains Mono',monospace;">
-                    Не закрывайте вкладку во время обработки
-                </div>
-            </div>
-        </div>
-
-        <!-- Step 4: Result -->
-        <div id="stepResult" style="display:none;">
-            <div class="section-title">
-                <span class="section-num">4</span>
-                Результат
-            </div>
-            <div class="result-card">
-                <div class="result-stats">
-                    <div class="result-stat">
-                        <div class="result-stat-val" id="resultSize">—</div>
-                        <div class="result-stat-label">размер файла</div>
-                    </div>
-                    <div class="result-stat">
-                        <div class="result-stat-val green" id="resultSavings">—</div>
-                        <div class="result-stat-label">экономия</div>
-                    </div>
-                    <div class="result-stat">
-                        <div class="result-stat-val accent" id="resultDuration">—</div>
-                        <div class="result-stat-label">длительность</div>
-                    </div>
-                </div>
-                <div style="display:flex;gap:10px;flex-wrap:wrap;">
-                    <a id="downloadLink" href="#" class="wa-btn" style="flex:1;text-align:center;text-decoration:none;padding:12px 24px;">
-                        Скачать файл
-                    </a>
-                    <button id="btnReset" class="wa-btn" style="background:var(--surface-600);color:var(--text-secondary);flex:0 0 auto;padding:12px 18px;">
-                        Конвертировать ещё
-                    </button>
-                </div>
-            </div>
-        </div>
-
-    </div><!-- /stepConfig -->
-
-</div>
-</div>
-
-<script>
-(function () {
-    'use strict';
-
-    // ─── State ───────────────────────────────────────────────────────────────
-    let state = {
-        jobId: null,
-        originalSize: 0,
-        duration: 0,
-        mode: 'convert',
-        format: 'mp4',
-        quality: 'high',
-        audioFormat: 'mp3',
-        pollTimer: null,
-    };
-
-    // ─── DOM refs ─────────────────────────────────────────────────────────────
-    const dropZone       = document.getElementById('dropZone');
-    const dropContent    = document.getElementById('dropZoneContent');
-    const fileInput      = document.getElementById('fileInput');
-    const stepUpload     = document.getElementById('stepUpload');
-    const stepConfig     = document.getElementById('stepConfig');
-    const stepResult     = document.getElementById('stepResult');
-    const errorBox       = document.getElementById('errorBox');
-    const btnConvert     = document.getElementById('btnConvert');
-    const convertAction  = document.getElementById('convertAction');
-    const progressWrap   = document.getElementById('progressWrap');
-    const progressFill   = document.getElementById('progressFill');
-    const progressStatus = document.getElementById('progressStatus');
-    const progressPercent= document.getElementById('progressPercent');
-    const downloadLink   = document.getElementById('downloadLink');
-    const btnReset       = document.getElementById('btnReset');
-    const btnChangeFile  = document.getElementById('btnChangeFile');
-
-    // ─── Helpers ──────────────────────────────────────────────────────────────
-    function formatSize(bytes) {
-        if (!bytes || bytes === 0) return '0 B';
-        const units = ['B', 'KB', 'MB', 'GB'];
-        const i = Math.floor(Math.log(bytes) / Math.log(1024));
-        const val = bytes / Math.pow(1024, i);
-        return val.toFixed(i > 0 ? 1 : 0) + ' ' + units[i];
-    }
-
-    function formatDuration(seconds) {
-        if (!seconds && seconds !== 0) return '—';
-        const s = Math.floor(seconds);
-        const m = Math.floor(s / 60);
-        const h = Math.floor(m / 60);
-        const ss = String(s % 60).padStart(2, '0');
-        const mm = String(m % 60).padStart(2, '0');
-        if (h > 0) return h + ':' + mm + ':' + ss;
-        return mm + ':' + ss;
-    }
-
-    function formatBitrate(bps) {
-        if (!bps) return '—';
-        if (bps >= 1_000_000) return (bps / 1_000_000).toFixed(1) + ' Mbps';
-        return Math.round(bps / 1000) + ' kbps';
-    }
-
-    function showError(msg) {
-        errorBox.textContent = msg;
-        errorBox.style.display = 'block';
-        errorBox.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
-    }
-
-    function clearError() {
-        errorBox.style.display = 'none';
-        errorBox.textContent = '';
-    }
-
-    function setControlsDisabled(disabled) {
-        btnConvert.disabled = disabled;
-        document.querySelectorAll('.mode-tab').forEach(el => el.disabled = disabled);
-        document.querySelectorAll('.btn-option').forEach(el => el.disabled = disabled);
-        document.querySelectorAll('.quality-option').forEach(el => {
-            el.style.pointerEvents = disabled ? 'none' : '';
-            el.style.opacity = disabled ? '0.5' : '';
-        });
-        document.getElementById('gifStart').disabled = disabled;
-        document.getElementById('gifEnd').disabled = disabled;
-    }
-
-    // ─── Estimate sizes for compress mode ─────────────────────────────────────
-    function updateEstimates() {
-        if (!state.originalSize) return;
-        const ratios = { high: 0.70, medium: 0.40, low: 0.20 };
-        for (const [q, ratio] of Object.entries(ratios)) {
-            const el = document.getElementById('est-' + q);
-            if (el) el.textContent = '~' + formatSize(state.originalSize * ratio);
-        }
-    }
-
-    // ─── Drop zone ────────────────────────────────────────────────────────────
-    dropZone.addEventListener('click', () => fileInput.click());
-    dropZone.addEventListener('keydown', e => { if (e.key === 'Enter' || e.key === ' ') fileInput.click(); });
-
-    dropZone.addEventListener('dragover', e => {
-        e.preventDefault();
-        dropZone.classList.add('drag-over');
-    });
-    dropZone.addEventListener('dragleave', () => dropZone.classList.remove('drag-over'));
-    dropZone.addEventListener('drop', e => {
-        e.preventDefault();
-        dropZone.classList.remove('drag-over');
-        const file = e.dataTransfer.files[0];
-        if (file) handleFile(file);
-    });
-
-    fileInput.addEventListener('change', () => {
-        if (fileInput.files[0]) handleFile(fileInput.files[0]);
-    });
-
-    btnChangeFile.addEventListener('click', () => {
-        resetToUpload();
-        fileInput.click();
-    });
-
-    // ─── Upload ───────────────────────────────────────────────────────────────
-    async function handleFile(file) {
-        clearError();
-
-        const ACCEPTED = ['video/mp4','video/webm','video/quicktime','video/x-msvideo','video/x-matroska',
-            'video/mpeg','video/3gpp','video/ogg','video/x-flv','video/x-ms-wmv'];
-        const MAX_SIZE = 200 * 1024 * 1024;
-
-        if (file.size > MAX_SIZE) {
-            showError('Файл слишком большой. Максимальный размер — 200 МБ.');
-            return;
-        }
-
-        // Show uploading state with progress
-        dropContent.innerHTML = `
-            <div class="uploading-overlay">
-                <div class="drop-label">Загрузка файла...</div>
-                <div style="font-size:24px;font-weight:800;color:var(--accent);font-family:'JetBrains Mono',monospace;" id="uploadPercent">0%</div>
-                <div class="progress-bar-track" style="width:100%;max-width:300px;">
-                    <div class="progress-bar-fill" id="uploadFill" style="width:0%"></div>
-                </div>
-                <div class="drop-hint" style="margin-top:8px;">${file.name} (${formatSize(file.size)})</div>
-            </div>`;
-
-        const formData = new FormData();
-        formData.append('video', file);
-
-        try {
-            const data = await new Promise((resolve, reject) => {
-                const xhr = new XMLHttpRequest();
-                xhr.open('POST', '/video/upload');
-                xhr.upload.onprogress = (e) => {
-                    if (e.lengthComputable) {
-                        const pct = Math.round((e.loaded / e.total) * 100);
-                        const el = document.getElementById('uploadPercent');
-                        const fill = document.getElementById('uploadFill');
-                        if (el) el.textContent = pct + '%';
-                        if (fill) fill.style.width = pct + '%';
-                    }
-                };
-                xhr.onload = () => {
-                    if (xhr.status >= 200 && xhr.status < 300) {
-                        try { resolve(JSON.parse(xhr.responseText)); }
-                        catch { reject(new Error('Ошибка разбора ответа')); }
-                    } else {
-                        try { reject(new Error(JSON.parse(xhr.responseText).error)); }
-                        catch { reject(new Error('Ошибка загрузки')); }
-                    }
-                };
-                xhr.onerror = () => reject(new Error('Сеть недоступна'));
-                xhr.send(formData);
-            });
-            onUploadSuccess(data);
-        } catch (err) {
-            // Restore drop zone
-            dropContent.innerHTML = `
-                <div class="drop-icon">
-                    <svg width="48" height="48" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="1.2">
-                        <path stroke-linecap="round" stroke-linejoin="round" d="M3 16.5v2.25A2.25 2.25 0 005.25 21h13.5A2.25 2.25 0 0021 18.75V16.5m-13.5-9L12 3m0 0l4.5 4.5M12 3v13.5"/>
-                    </svg>
-                </div>
-                <div class="drop-label">Перетащите видео или нажмите для выбора</div>
-                <div class="drop-hint" style="margin-top:6px;">MP4, WebM, MOV, AVI, MKV, MPEG, 3GP, OGG, FLV, WMV — до 200 МБ</div>`;
-            showError(err.message || 'Не удалось загрузить файл');
-        }
-    }
-
-    function onUploadSuccess(data) {
-        state.jobId = data.jobId;
-        state.originalSize = data.size || 0;
-
-        const info = data.info || {};
-        state.duration = info.duration || 0;
-
-        // Fill info card
-        document.getElementById('infoFilename').textContent = data.originalName || '—';
-        document.getElementById('infoSize').textContent     = formatSize(data.size);
-        document.getElementById('infoDuration').textContent = formatDuration(info.duration);
-        document.getElementById('infoResolution').textContent =
-            (info.width && info.height) ? info.width + '×' + info.height : '—';
-        document.getElementById('infoCodec').textContent      = info.codec || '—';
-        document.getElementById('infoAudioCodec').textContent = info.audioCodec || '—';
-        document.getElementById('infoBitrate').textContent    = formatBitrate(info.bitrate);
-
-        // Update estimates
-        updateEstimates();
-
-        // Set GIF end default to min(duration, 15)
-        const gifEndEl = document.getElementById('gifEnd');
-        if (state.duration > 0) {
-            gifEndEl.value = Math.min(state.duration, 15).toFixed(1);
-            gifEndEl.max = state.duration;
-            document.getElementById('gifStart').max = state.duration;
-        }
-
-        // Switch views
-        stepConfig.style.display = 'block';
-        stepUpload.style.display = 'none';
-    }
-
-    // ─── Mode tabs ────────────────────────────────────────────────────────────
-    document.querySelectorAll('.mode-tab').forEach(tab => {
-        tab.addEventListener('click', () => {
-            const mode = tab.dataset.mode;
-            state.mode = mode;
-
-            document.querySelectorAll('.mode-tab').forEach(t => {
-                t.classList.remove('active');
-                t.setAttribute('aria-selected', 'false');
-            });
-            tab.classList.add('active');
-            tab.setAttribute('aria-selected', 'true');
-
-            document.querySelectorAll('.mode-panel').forEach(p => p.classList.remove('active'));
-            const panel = document.getElementById('panel-' + mode);
-            if (panel) panel.classList.add('active');
-        });
-    });
-
-    // ─── Format button groups ─────────────────────────────────────────────────
-    function initBtnGroup(containerId, onSelect) {
-        const container = document.getElementById(containerId);
-        if (!container) return;
-        container.addEventListener('click', e => {
-            const btn = e.target.closest('.btn-option');
-            if (!btn || btn.disabled) return;
-            container.querySelectorAll('.btn-option').forEach(b => b.classList.remove('selected'));
-            btn.classList.add('selected');
-            onSelect(btn.dataset.value);
-        });
-    }
-
-    initBtnGroup('convertFormats', val => { state.format = val; });
-    initBtnGroup('audioFormats',   val => { state.audioFormat = val; });
-
-    // ─── Quality options ───────────────────────────────────────────────────────
-    document.querySelectorAll('.quality-option').forEach(label => {
-        label.addEventListener('click', () => {
-            document.querySelectorAll('.quality-option').forEach(l => l.classList.remove('selected'));
-            label.classList.add('selected');
-            state.quality = label.dataset.value;
-        });
-    });
-
-    // ─── Convert ──────────────────────────────────────────────────────────────
-    btnConvert.addEventListener('click', startConversion);
-
-    async function startConversion() {
-        clearError();
-        setControlsDisabled(true);
-
-        convertAction.style.display = 'none';
-        progressWrap.style.display = 'block';
-        stepResult.style.display = 'none';
-
-        setProgressUI(0, 'Запуск обработки...');
-
-        const body = {
-            jobId:     state.jobId,
-            mode:      state.mode,
-            format:    state.mode === 'convert' ? state.format
-                     : state.mode === 'audio'   ? state.audioFormat
-                     : state.mode === 'gif'     ? 'gif'
-                     :                            'mp4',
-            quality:   state.quality,
-            startTime: state.mode === 'gif' ? parseFloat(document.getElementById('gifStart').value || 0) : undefined,
-            endTime:   state.mode === 'gif' ? parseFloat(document.getElementById('gifEnd').value   || 0) : undefined,
-        };
-
-        try {
-            const res = await fetch('/video/convert', {
-                method: 'POST',
-                headers: { 'Content-Type': 'application/json' },
-                body: JSON.stringify(body),
-            });
-
-            if (!res.ok) {
-                const err = await res.json().catch(() => ({ error: 'Ошибка запуска конвертации' }));
-                throw new Error(err.error || 'Ошибка запуска');
-            }
-
-            // Server starts processing in background, poll for progress
-            startPolling();
-        } catch (err) {
-            showConversionError(err.message || 'Ошибка конвертации');
-        }
-    }
-
-    function startPolling() {
-        clearPollTimer();
-        state.pollTimer = setInterval(async () => {
-            try {
-                const res = await fetch('/video/progress/' + state.jobId);
-                if (!res.ok) return;
-                const data = await res.json();
-
-                const pct = Math.min(100, Math.max(0, data.progress || 0));
-                const statusMap = {
-                    pending:    'В очереди...',
-                    processing: 'Обработка...',
-                    done:       'Готово!',
-                    error:      'Ошибка',
-                };
-                setProgressUI(pct, (statusMap[data.status] || 'Обработка...') + (pct > 0 && pct < 100 ? ' ' + pct + '%' : ''));
-
-                if (data.status === 'done') {
-                    clearPollTimer();
-                    onConversionDone(data);
-                } else if (data.status === 'error') {
-                    clearPollTimer();
-                    showConversionError(data.error || 'Ошибка обработки');
-                }
-            } catch {
-                // Network hiccup — keep polling
-            }
-        }, 1000);
-    }
-
-    function clearPollTimer() {
-        if (state.pollTimer) {
-            clearInterval(state.pollTimer);
-            state.pollTimer = null;
-        }
-    }
-
-    function setProgressUI(percent, statusText) {
-        progressFill.style.width = percent + '%';
-        progressPercent.textContent = percent + '%';
-        progressStatus.textContent = statusText;
-    }
-
-    function onConversionDone(data) {
-        setProgressUI(100, 'Готово!');
-
-        // Fill result card
-        const outputSize = data.outputSize || 0;
-        const savings    = data.savings    || 0;
-
-        document.getElementById('resultSize').textContent    = formatSize(outputSize);
-        document.getElementById('resultSavings').textContent = savings > 0 ? '−' + savings + '%' : '—';
-        document.getElementById('resultDuration').textContent = formatDuration(state.duration);
-
-        if (data.downloadUrl) {
-            downloadLink.href = data.downloadUrl;
-            downloadLink.setAttribute('download', '');
-        }
-
-        stepResult.style.display = 'block';
-        stepResult.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
-        setControlsDisabled(false);
-    }
-
-    function showConversionError(msg) {
-        clearPollTimer();
-        setControlsDisabled(false);
-        progressWrap.style.display = 'none';
-        convertAction.style.display = 'block';
-        showError(msg);
-    }
-
-    // ─── Reset ────────────────────────────────────────────────────────────────
-    btnReset.addEventListener('click', resetAll);
-
-    function resetToUpload() {
-        clearPollTimer();
-        state.jobId = null;
-        state.originalSize = 0;
-        state.duration = 0;
-
-        stepConfig.style.display = 'none';
-        stepResult.style.display = 'none';
-        stepUpload.style.display = 'block';
-        convertAction.style.display = 'block';
-        progressWrap.style.display = 'none';
-
-        setProgressUI(0, 'Подготовка...');
-        clearError();
-        fileInput.value = '';
-
-        // Reset drop zone content
-        dropContent.innerHTML = `
-            <div class="drop-icon">
-                <svg width="48" height="48" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="1.2">
-                    <path stroke-linecap="round" stroke-linejoin="round" d="M3 16.5v2.25A2.25 2.25 0 005.25 21h13.5A2.25 2.25 0 0021 18.75V16.5m-13.5-9L12 3m0 0l4.5 4.5M12 3v13.5"/>
-                </svg>
-            </div>
-            <div class="drop-label">Перетащите видео или нажмите для выбора</div>
-            <div class="drop-hint" style="margin-top:6px;">MP4, WebM, MOV, AVI, MKV, MPEG, 3GP, OGG, FLV, WMV — до 200 МБ</div>`;
-    }
-
-    function resetAll() {
-        resetToUpload();
-
-        // Reset mode tabs
-        document.querySelectorAll('.mode-tab').forEach(t => {
-            t.classList.remove('active');
-            t.setAttribute('aria-selected', 'false');
-        });
-        document.querySelector('[data-mode="convert"]').classList.add('active');
-        document.querySelector('[data-mode="convert"]').setAttribute('aria-selected', 'true');
-        document.querySelectorAll('.mode-panel').forEach(p => p.classList.remove('active'));
-        document.getElementById('panel-convert').classList.add('active');
-        state.mode = 'convert';
-
-        // Reset format selections
-        document.querySelectorAll('#convertFormats .btn-option').forEach((b, i) => {
-            b.classList.toggle('selected', i === 0);
-        });
-        document.querySelectorAll('#audioFormats .btn-option').forEach((b, i) => {
-            b.classList.toggle('selected', i === 0);
-        });
-        state.format = 'mp4';
-        state.audioFormat = 'mp3';
-
-        // Reset quality
-        document.querySelectorAll('.quality-option').forEach((l, i) => {
-            l.classList.toggle('selected', i === 0);
-        });
-        document.querySelector('input[name="quality"][value="high"]').checked = true;
-        state.quality = 'high';
-
-        // Reset GIF fields
-        document.getElementById('gifStart').value = '0';
-        document.getElementById('gifEnd').value = '';
-
-        setControlsDisabled(false);
-    }
-})();
-</script>
-</body>
-</html>
+<!DOCTYPE html>
+<html lang="ru">
+<head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>WA Dev Tools — Видео конвертер</title>
+    <script src="/vendor/tailwind.js"></script>
+    <script>window.WA_TOOL_ID = 'video';</script>
+    <script src="/shared.js?v=2"></script>
+    <link href="/vendor/fonts.css" rel="stylesheet">
+    <link href="/shared.css" rel="stylesheet">
+    <style>
+        /* Drop zone */
+        .drop-zone {
+            border: 2px dashed var(--surface-600);
+            border-radius: 16px;
+            padding: 48px 24px;
+            text-align: center;
+            cursor: pointer;
+            transition: border-color .2s, background .2s;
+            background: var(--surface-700);
+        }
+        .drop-zone:hover,
+        .drop-zone.drag-over {
+            border-color: var(--accent);
+            background: var(--accent-bg);
+        }
+        .drop-zone.drag-over .drop-icon {
+            color: var(--accent);
+        }
+        .drop-icon {
+            color: var(--text-muted);
+            transition: color .2s;
+            margin-bottom: 16px;
+            display: flex;
+            justify-content: center;
+        }
+        .drop-label {
+            font-size: 15px;
+            font-weight: 600;
+            color: var(--text-primary);
+            margin-bottom: 6px;
+        }
+        .drop-hint {
+            font-size: 12px;
+            color: var(--text-muted);
+            font-family: 'JetBrains Mono', monospace;
+        }
+
+        /* Video info card */
+        .info-card {
+            background: var(--surface-700);
+            border: 1px solid var(--surface-600);
+            border-radius: 12px;
+            padding: 20px;
+        }
+        .info-grid {
+            display: grid;
+            grid-template-columns: 1fr 1fr;
+            gap: 10px 24px;
+        }
+        .info-row {
+            display: flex;
+            flex-direction: column;
+            gap: 2px;
+        }
+        .info-key {
+            font-size: 11px;
+            color: var(--text-muted);
+            font-family: 'JetBrains Mono', monospace;
+            text-transform: uppercase;
+            letter-spacing: 0.05em;
+        }
+        .info-val {
+            font-size: 13px;
+            font-weight: 600;
+            color: var(--text-primary);
+            font-family: 'JetBrains Mono', monospace;
+        }
+        .info-filename {
+            font-size: 14px;
+            font-weight: 700;
+            color: var(--text-primary);
+            margin-bottom: 14px;
+            word-break: break-all;
+            display: flex;
+            align-items: center;
+            gap: 8px;
+        }
+        .info-filename-icon {
+            flex-shrink: 0;
+            color: var(--accent);
+        }
+
+        /* Mode tabs */
+        .mode-tabs {
+            display: flex;
+            gap: 4px;
+            background: var(--surface-700);
+            border: 1px solid var(--surface-600);
+            border-radius: 10px;
+            padding: 4px;
+        }
+        .mode-tab {
+            flex: 1;
+            padding: 9px 12px;
+            border-radius: 7px;
+            border: none;
+            background: transparent;
+            color: var(--text-muted);
+            font-family: 'Manrope', sans-serif;
+            font-size: 13px;
+            font-weight: 600;
+            cursor: pointer;
+            transition: all .2s;
+            white-space: nowrap;
+        }
+        .mode-tab:hover {
+            color: var(--text-secondary);
+            background: var(--surface-600);
+        }
+        .mode-tab.active {
+            background: var(--accent);
+            color: #fff;
+        }
+        .mode-tab:disabled {
+            opacity: 0.4;
+            cursor: not-allowed;
+        }
+
+        /* Mode panels */
+        .mode-panel { display: none; }
+        .mode-panel.active { display: block; }
+
+        /* Option group */
+        .option-group {
+            display: flex;
+            flex-direction: column;
+            gap: 8px;
+        }
+        .option-label {
+            font-size: 12px;
+            font-weight: 600;
+            color: var(--text-secondary);
+            text-transform: uppercase;
+            letter-spacing: 0.04em;
+            font-family: 'JetBrains Mono', monospace;
+        }
+
+        /* Button group (format selector) */
+        .btn-group {
+            display: flex;
+            gap: 4px;
+            flex-wrap: wrap;
+        }
+        .btn-option {
+            padding: 8px 18px;
+            border-radius: 8px;
+            border: 1px solid var(--surface-600);
+            background: var(--surface-700);
+            color: var(--text-secondary);
+            font-family: 'JetBrains Mono', monospace;
+            font-size: 13px;
+            font-weight: 600;
+            cursor: pointer;
+            transition: all .2s;
+        }
+        .btn-option:hover {
+            border-color: var(--accent);
+            color: var(--text-primary);
+        }
+        .btn-option.selected {
+            background: var(--accent);
+            border-color: var(--accent);
+            color: #fff;
+        }
+        .btn-option:disabled {
+            opacity: 0.4;
+            cursor: not-allowed;
+        }
+
+        /* Quality row (with estimated size) */
+        .quality-option {
+            display: flex;
+            align-items: center;
+            justify-content: space-between;
+            padding: 12px 16px;
+            border-radius: 10px;
+            border: 1px solid var(--surface-600);
+            background: var(--surface-700);
+            cursor: pointer;
+            transition: all .2s;
+        }
+        .quality-option:hover {
+            border-color: var(--accent);
+        }
+        .quality-option.selected {
+            border-color: var(--accent);
+            background: var(--accent-bg);
+        }
+        .quality-option input[type="radio"] {
+            display: none;
+        }
+        .quality-label {
+            font-size: 14px;
+            font-weight: 600;
+            color: var(--text-primary);
+        }
+        .quality-desc {
+            font-size: 11px;
+            color: var(--text-muted);
+            font-family: 'JetBrains Mono', monospace;
+            margin-top: 2px;
+        }
+        .quality-estimate {
+            font-size: 12px;
+            font-family: 'JetBrains Mono', monospace;
+            color: var(--accent-bright);
+            font-weight: 600;
+        }
+
+        /* Time range inputs (GIF mode) */
+        .time-inputs {
+            display: grid;
+            grid-template-columns: 1fr 1fr;
+            gap: 12px;
+        }
+        .time-field {
+            display: flex;
+            flex-direction: column;
+            gap: 6px;
+        }
+        .time-input-label {
+            font-size: 11px;
+            font-family: 'JetBrains Mono', monospace;
+            color: var(--text-muted);
+            text-transform: uppercase;
+            letter-spacing: 0.04em;
+        }
+        .gif-note {
+            font-size: 12px;
+            color: var(--text-muted);
+            font-family: 'JetBrains Mono', monospace;
+            background: var(--surface-700);
+            border: 1px solid var(--surface-600);
+            border-radius: 8px;
+            padding: 10px 14px;
+            margin-top: 4px;
+        }
+
+        /* Progress */
+        .progress-wrap {
+            background: var(--surface-700);
+            border: 1px solid var(--surface-600);
+            border-radius: 12px;
+            padding: 24px;
+        }
+        .progress-bar-track {
+            background: var(--surface-600);
+            border-radius: 99px;
+            height: 8px;
+            overflow: hidden;
+            margin: 14px 0 10px;
+        }
+        .progress-bar-fill {
+            height: 100%;
+            background: var(--accent);
+            border-radius: 99px;
+            transition: width .3s ease;
+            width: 0%;
+        }
+        .progress-status {
+            font-size: 13px;
+            font-family: 'JetBrains Mono', monospace;
+            color: var(--text-secondary);
+        }
+        .progress-percent {
+            font-size: 13px;
+            font-family: 'JetBrains Mono', monospace;
+            color: var(--accent);
+            font-weight: 700;
+        }
+
+        /* Result card */
+        .result-card {
+            background: var(--surface-700);
+            border: 1px solid var(--surface-600);
+            border-radius: 12px;
+            padding: 24px;
+        }
+        .result-stats {
+            display: grid;
+            grid-template-columns: repeat(3, 1fr);
+            gap: 16px;
+            margin-bottom: 20px;
+        }
+        .result-stat {
+            text-align: center;
+        }
+        .result-stat-val {
+            font-size: 20px;
+            font-weight: 800;
+            color: var(--text-primary);
+            font-family: 'JetBrains Mono', monospace;
+        }
+        .result-stat-val.accent {
+            color: var(--accent);
+        }
+        .result-stat-val.green {
+            color: #22c55e;
+        }
+        .result-stat-label {
+            font-size: 11px;
+            color: var(--text-muted);
+            font-family: 'JetBrains Mono', monospace;
+            margin-top: 4px;
+        }
+
+        /* Error */
+        .error-box {
+            background: rgba(255, 82, 82, 0.08);
+            border: 1px solid rgba(255, 82, 82, 0.25);
+            border-radius: 10px;
+            padding: 14px 16px;
+            font-size: 13px;
+            color: #ff5252;
+            font-family: 'JetBrains Mono', monospace;
+        }
+
+        /* Separator */
+        .step-separator {
+            height: 1px;
+            background: var(--surface-600);
+            margin: 4px 0;
+        }
+
+        /* Upload progress overlay in drop zone */
+        .uploading-overlay {
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            gap: 12px;
+        }
+        .spinner {
+            width: 32px;
+            height: 32px;
+            border: 3px solid var(--surface-600);
+            border-top-color: var(--accent);
+            border-radius: 50%;
+            animation: spin .7s linear infinite;
+        }
+        @keyframes spin { to { transform: rotate(360deg); } }
+
+        /* Section labels */
+        .section-title {
+            font-size: 13px;
+            font-weight: 700;
+            color: var(--text-secondary);
+            text-transform: uppercase;
+            letter-spacing: 0.06em;
+            font-family: 'JetBrains Mono', monospace;
+            margin-bottom: 12px;
+            display: flex;
+            align-items: center;
+            gap: 8px;
+        }
+        .section-num {
+            width: 22px;
+            height: 22px;
+            border-radius: 50%;
+            background: var(--accent-bg);
+            color: var(--accent);
+            font-size: 11px;
+            font-weight: 800;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            flex-shrink: 0;
+        }
+
+        @media (max-width: 480px) {
+            .mode-tabs { flex-wrap: wrap; }
+            .mode-tab { flex: 1 1 calc(50% - 4px); }
+            .result-stats { grid-template-columns: 1fr 1fr; }
+            .result-stats .result-stat:last-child { grid-column: 1 / -1; }
+        }
+    </style>
+</head>
+<body class="font-sans antialiased">
+
+<div class="main-content">
+<div class="tool-container max-w-3xl mx-auto">
+
+    <!-- Page header -->
+    <div class="page-header" style="text-align:center;">
+        <div class="inline-flex items-center gap-2 mb-3 px-3 py-1 rounded-full border dark:border-surface-600 border-gray-300 dark:bg-surface-800/60 bg-white/60 text-xs font-mono dark:text-gray-400 text-gray-500 tracking-wide">
+            <span class="w-1.5 h-1.5 rounded-full bg-accent animate-pulse"></span>
+            MP4 · WebM · AVI · MKV · GIF
+        </div>
+        <h1 class="text-3xl sm:text-4xl font-extrabold tracking-tight dark:text-white text-gray-900">
+            Видео <span class="text-accent">конвертер</span>
+        </h1>
+        <p class="description mt-2 text-sm dark:text-gray-500 text-gray-400 font-mono">Конвертация, сжатие, извлечение аудио и создание GIF</p>
+    </div>
+
+    <!-- Error display -->
+    <div id="errorBox" class="error-box" style="display:none; margin-bottom:20px;"></div>
+
+    <!-- Step 1: Upload -->
+    <div id="stepUpload" style="margin-bottom:24px;">
+        <div class="section-title">
+            <span class="section-num">1</span>
+            Загрузка файла
+        </div>
+
+        <!-- Drop zone (default state) -->
+        <div id="dropZone" class="drop-zone" tabindex="0" role="button" aria-label="Загрузить видео">
+            <div id="dropZoneContent">
+                <div class="drop-icon">
+                    <svg width="48" height="48" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="1.2">
+                        <path stroke-linecap="round" stroke-linejoin="round" d="M3 16.5v2.25A2.25 2.25 0 005.25 21h13.5A2.25 2.25 0 0021 18.75V16.5m-13.5-9L12 3m0 0l4.5 4.5M12 3v13.5"/>
+                    </svg>
+                </div>
+                <div class="drop-label">Перетащите видео или нажмите для выбора</div>
+                <div class="drop-hint" style="margin-top:6px;">MP4, WebM, MOV, AVI, MKV, MPEG, 3GP, OGG, FLV, WMV — до 200 МБ</div>
+            </div>
+            <input type="file" id="fileInput" accept=".mp4,.webm,.mov,.avi,.mkv,.mpeg,.mpg,.3gp,.ogg,.flv,.wmv" style="display:none;" />
+        </div>
+    </div>
+
+    <!-- Step 2+: shown after upload -->
+    <div id="stepConfig" style="display:none;">
+
+        <!-- Video info card -->
+        <div style="margin-bottom:24px;">
+            <div class="section-title">
+                <span class="section-num">1</span>
+                Информация о файле
+            </div>
+            <div class="info-card">
+                <div class="info-filename">
+                    <svg class="info-filename-icon" width="18" height="18" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="1.5">
+                        <path stroke-linecap="round" stroke-linejoin="round" d="M15.75 10.5l4.72-4.72a.75.75 0 011.28.53v11.38a.75.75 0 01-1.28.53l-4.72-4.72M4.5 18.75h9a2.25 2.25 0 002.25-2.25v-9a2.25 2.25 0 00-2.25-2.25h-9A2.25 2.25 0 002.25 7.5v9a2.25 2.25 0 002.25 2.25z"/>
+                    </svg>
+                    <span id="infoFilename"></span>
+                </div>
+                <div class="info-grid">
+                    <div class="info-row">
+                        <span class="info-key">Размер</span>
+                        <span class="info-val" id="infoSize">—</span>
+                    </div>
+                    <div class="info-row">
+                        <span class="info-key">Длительность</span>
+                        <span class="info-val" id="infoDuration">—</span>
+                    </div>
+                    <div class="info-row">
+                        <span class="info-key">Разрешение</span>
+                        <span class="info-val" id="infoResolution">—</span>
+                    </div>
+                    <div class="info-row">
+                        <span class="info-key">Видео кодек</span>
+                        <span class="info-val" id="infoCodec">—</span>
+                    </div>
+                    <div class="info-row">
+                        <span class="info-key">Аудио кодек</span>
+                        <span class="info-val" id="infoAudioCodec">—</span>
+                    </div>
+                    <div class="info-row">
+                        <span class="info-key">Битрейт</span>
+                        <span class="info-val" id="infoBitrate">—</span>
+                    </div>
+                </div>
+                <div style="margin-top:14px; padding-top:14px; border-top:1px solid var(--surface-600);">
+                    <button id="btnChangeFile" class="wa-btn" style="background:var(--surface-600);color:var(--text-secondary);font-size:12px;padding:7px 14px;">
+                        Выбрать другой файл
+                    </button>
+                </div>
+            </div>
+        </div>
+
+        <!-- Mode selection -->
+        <div style="margin-bottom:24px;">
+            <div class="section-title">
+                <span class="section-num">2</span>
+                Режим обработки
+            </div>
+            <div class="mode-tabs" role="tablist">
+                <button class="mode-tab active" data-mode="convert" role="tab" aria-selected="true">Конвертация</button>
+                <button class="mode-tab" data-mode="compress" role="tab" aria-selected="false">Сжатие</button>
+                <button class="mode-tab" data-mode="audio" role="tab" aria-selected="false">Аудио</button>
+                <button class="mode-tab" data-mode="gif" role="tab" aria-selected="false">GIF</button>
+            </div>
+        </div>
+
+        <!-- Mode panel: Конвертация -->
+        <div id="panel-convert" class="mode-panel active" style="margin-bottom:24px;">
+            <div class="wa-card">
+                <div class="option-group">
+                    <span class="option-label">Выходной формат</span>
+                    <div class="btn-group" id="convertFormats">
+                        <button class="btn-option selected" data-value="mp4">MP4</button>
+                        <button class="btn-option" data-value="webm">WebM</button>
+                        <button class="btn-option" data-value="avi">AVI</button>
+                        <button class="btn-option" data-value="mkv">MKV</button>
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <!-- Mode panel: Сжатие -->
+        <div id="panel-compress" class="mode-panel" style="margin-bottom:24px;">
+            <div class="wa-card">
+                <div class="option-group">
+                    <span class="option-label">Качество</span>
+                    <label class="quality-option selected" data-value="high">
+                        <input type="radio" name="quality" value="high" checked />
+                        <div>
+                            <div class="quality-label">Высокое</div>
+                            <div class="quality-desc">минимальные потери, ~70% от оригинала</div>
+                        </div>
+                        <div class="quality-estimate" id="est-high">—</div>
+                    </label>
+                    <label class="quality-option" data-value="medium">
+                        <input type="radio" name="quality" value="medium" />
+                        <div>
+                            <div class="quality-label">Среднее</div>
+                            <div class="quality-desc">баланс качества и размера, ~40%</div>
+                        </div>
+                        <div class="quality-estimate" id="est-medium">—</div>
+                    </label>
+                    <label class="quality-option" data-value="low">
+                        <input type="radio" name="quality" value="low" />
+                        <div>
+                            <div class="quality-label">Низкое</div>
+                            <div class="quality-desc">максимальное сжатие, ~20%</div>
+                        </div>
+                        <div class="quality-estimate" id="est-low">—</div>
+                    </label>
+                </div>
+            </div>
+        </div>
+
+        <!-- Mode panel: Аудио -->
+        <div id="panel-audio" class="mode-panel" style="margin-bottom:24px;">
+            <div class="wa-card">
+                <div class="option-group">
+                    <span class="option-label">Формат аудио</span>
+                    <div class="btn-group" id="audioFormats">
+                        <button class="btn-option selected" data-value="mp3">MP3</button>
+                        <button class="btn-option" data-value="aac">AAC</button>
+                    </div>
+                    <div class="gif-note" style="margin-top:8px;">
+                        Аудиодорожка будет извлечена из видео без перекодирования, где возможно.
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <!-- Mode panel: GIF -->
+        <div id="panel-gif" class="mode-panel" style="margin-bottom:24px;">
+            <div class="wa-card">
+                <div class="option-group">
+                    <span class="option-label">Временной диапазон</span>
+                    <div class="time-inputs">
+                        <div class="time-field">
+                            <span class="time-input-label">Начало (сек)</span>
+                            <input type="number" id="gifStart" class="wa-input" min="0" step="0.1" value="0" placeholder="0" />
+                        </div>
+                        <div class="time-field">
+                            <span class="time-input-label">Конец (сек)</span>
+                            <input type="number" id="gifEnd" class="wa-input" min="0" step="0.1" placeholder="авто" />
+                        </div>
+                    </div>
+                    <div class="gif-note">
+                        Максимальная длительность GIF — 15 секунд. Разрешение уменьшается до 480px по ширине для оптимального размера.
+                    </div>
+                </div>
+            </div>
+        </div>
+
+        <!-- Step 3: Convert button + progress -->
+        <div style="margin-bottom:24px;">
+            <div class="section-title">
+                <span class="section-num">3</span>
+                Обработка
+            </div>
+
+            <!-- Convert button -->
+            <div id="convertAction">
+                <button id="btnConvert" class="wa-btn" style="width:100%;padding:14px 24px;font-size:15px;">
+                    Конвертировать
+                </button>
+            </div>
+
+            <!-- Progress -->
+            <div id="progressWrap" class="progress-wrap" style="display:none;">
+                <div style="display:flex;justify-content:space-between;align-items:center;">
+                    <span class="progress-status" id="progressStatus">Подготовка...</span>
+                    <span class="progress-percent" id="progressPercent">0%</span>
+                </div>
+                <div class="progress-bar-track">
+                    <div class="progress-bar-fill" id="progressFill"></div>
+                </div>
+                <div style="font-size:11px;color:var(--text-muted);font-family:'JetBrains Mono',monospace;">
+                    Не закрывайте вкладку во время обработки
+                </div>
+            </div>
+        </div>
+
+        <!-- Step 4: Result -->
+        <div id="stepResult" style="display:none;">
+            <div class="section-title">
+                <span class="section-num">4</span>
+                Результат
+            </div>
+            <div class="result-card">
+                <div class="result-stats">
+                    <div class="result-stat">
+                        <div class="result-stat-val" id="resultSize">—</div>
+                        <div class="result-stat-label">размер файла</div>
+                    </div>
+                    <div class="result-stat">
+                        <div class="result-stat-val green" id="resultSavings">—</div>
+                        <div class="result-stat-label">экономия</div>
+                    </div>
+                    <div class="result-stat">
+                        <div class="result-stat-val accent" id="resultDuration">—</div>
+                        <div class="result-stat-label">длительность</div>
+                    </div>
+                </div>
+                <div style="display:flex;gap:10px;flex-wrap:wrap;">
+                    <a id="downloadLink" href="#" class="wa-btn" style="flex:1;text-align:center;text-decoration:none;padding:12px 24px;">
+                        Скачать файл
+                    </a>
+                    <button id="btnReset" class="wa-btn" style="background:var(--surface-600);color:var(--text-secondary);flex:0 0 auto;padding:12px 18px;">
+                        Конвертировать ещё
+                    </button>
+                </div>
+            </div>
+        </div>
+
+    </div><!-- /stepConfig -->
+
+</div>
+</div>
+
+<script>
+(function () {
+    'use strict';
+
+    // ─── State ───────────────────────────────────────────────────────────────
+    let state = {
+        jobId: null,
+        originalSize: 0,
+        duration: 0,
+        mode: 'convert',
+        format: 'mp4',
+        quality: 'high',
+        audioFormat: 'mp3',
+        pollTimer: null,
+    };
+
+    // ─── DOM refs ─────────────────────────────────────────────────────────────
+    const dropZone       = document.getElementById('dropZone');
+    const dropContent    = document.getElementById('dropZoneContent');
+    const fileInput      = document.getElementById('fileInput');
+    const stepUpload     = document.getElementById('stepUpload');
+    const stepConfig     = document.getElementById('stepConfig');
+    const stepResult     = document.getElementById('stepResult');
+    const errorBox       = document.getElementById('errorBox');
+    const btnConvert     = document.getElementById('btnConvert');
+    const convertAction  = document.getElementById('convertAction');
+    const progressWrap   = document.getElementById('progressWrap');
+    const progressFill   = document.getElementById('progressFill');
+    const progressStatus = document.getElementById('progressStatus');
+    const progressPercent= document.getElementById('progressPercent');
+    const downloadLink   = document.getElementById('downloadLink');
+    const btnReset       = document.getElementById('btnReset');
+    const btnChangeFile  = document.getElementById('btnChangeFile');
+
+    // ─── Helpers ──────────────────────────────────────────────────────────────
+    function formatSize(bytes) {
+        if (!bytes || bytes === 0) return '0 B';
+        const units = ['B', 'KB', 'MB', 'GB'];
+        const i = Math.floor(Math.log(bytes) / Math.log(1024));
+        const val = bytes / Math.pow(1024, i);
+        return val.toFixed(i > 0 ? 1 : 0) + ' ' + units[i];
+    }
+
+    function formatDuration(seconds) {
+        if (!seconds && seconds !== 0) return '—';
+        const s = Math.floor(seconds);
+        const m = Math.floor(s / 60);
+        const h = Math.floor(m / 60);
+        const ss = String(s % 60).padStart(2, '0');
+        const mm = String(m % 60).padStart(2, '0');
+        if (h > 0) return h + ':' + mm + ':' + ss;
+        return mm + ':' + ss;
+    }
+
+    function formatBitrate(bps) {
+        if (!bps) return '—';
+        if (bps >= 1_000_000) return (bps / 1_000_000).toFixed(1) + ' Mbps';
+        return Math.round(bps / 1000) + ' kbps';
+    }
+
+    function showError(msg) {
+        errorBox.textContent = msg;
+        errorBox.style.display = 'block';
+        errorBox.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
+    }
+
+    function clearError() {
+        errorBox.style.display = 'none';
+        errorBox.textContent = '';
+    }
+
+    function setControlsDisabled(disabled) {
+        btnConvert.disabled = disabled;
+        document.querySelectorAll('.mode-tab').forEach(el => el.disabled = disabled);
+        document.querySelectorAll('.btn-option').forEach(el => el.disabled = disabled);
+        document.querySelectorAll('.quality-option').forEach(el => {
+            el.style.pointerEvents = disabled ? 'none' : '';
+            el.style.opacity = disabled ? '0.5' : '';
+        });
+        document.getElementById('gifStart').disabled = disabled;
+        document.getElementById('gifEnd').disabled = disabled;
+    }
+
+    // ─── Estimate sizes for compress mode ─────────────────────────────────────
+    function updateEstimates() {
+        if (!state.originalSize) return;
+        const ratios = { high: 0.70, medium: 0.40, low: 0.20 };
+        for (const [q, ratio] of Object.entries(ratios)) {
+            const el = document.getElementById('est-' + q);
+            if (el) el.textContent = '~' + formatSize(state.originalSize * ratio);
+        }
+    }
+
+    // ─── Drop zone ────────────────────────────────────────────────────────────
+    dropZone.addEventListener('click', () => fileInput.click());
+    dropZone.addEventListener('keydown', e => { if (e.key === 'Enter' || e.key === ' ') fileInput.click(); });
+
+    dropZone.addEventListener('dragover', e => {
+        e.preventDefault();
+        dropZone.classList.add('drag-over');
+    });
+    dropZone.addEventListener('dragleave', () => dropZone.classList.remove('drag-over'));
+    dropZone.addEventListener('drop', e => {
+        e.preventDefault();
+        dropZone.classList.remove('drag-over');
+        const file = e.dataTransfer.files[0];
+        if (file) handleFile(file);
+    });
+
+    fileInput.addEventListener('change', () => {
+        if (fileInput.files[0]) handleFile(fileInput.files[0]);
+    });
+
+    btnChangeFile.addEventListener('click', () => {
+        resetToUpload();
+        fileInput.click();
+    });
+
+    // ─── Upload ───────────────────────────────────────────────────────────────
+    async function handleFile(file) {
+        clearError();
+
+        const ACCEPTED = ['video/mp4','video/webm','video/quicktime','video/x-msvideo','video/x-matroska',
+            'video/mpeg','video/3gpp','video/ogg','video/x-flv','video/x-ms-wmv'];
+        const MAX_SIZE = 200 * 1024 * 1024;
+
+        if (file.size > MAX_SIZE) {
+            showError('Файл слишком большой. Максимальный размер — 200 МБ.');
+            return;
+        }
+
+        // Show uploading state with progress
+        dropContent.innerHTML = `
+            <div class="uploading-overlay">
+                <div class="drop-label">Загрузка файла...</div>
+                <div style="font-size:24px;font-weight:800;color:var(--accent);font-family:'JetBrains Mono',monospace;" id="uploadPercent">0%</div>
+                <div class="progress-bar-track" style="width:100%;max-width:300px;">
+                    <div class="progress-bar-fill" id="uploadFill" style="width:0%"></div>
+                </div>
+                <div class="drop-hint" style="margin-top:8px;">${file.name} (${formatSize(file.size)})</div>
+            </div>`;
+
+        const formData = new FormData();
+        formData.append('video', file);
+
+        try {
+            const data = await new Promise((resolve, reject) => {
+                const xhr = new XMLHttpRequest();
+                xhr.open('POST', '/video/upload');
+                xhr.upload.onprogress = (e) => {
+                    if (e.lengthComputable) {
+                        const pct = Math.round((e.loaded / e.total) * 100);
+                        const el = document.getElementById('uploadPercent');
+                        const fill = document.getElementById('uploadFill');
+                        if (el) el.textContent = pct + '%';
+                        if (fill) fill.style.width = pct + '%';
+                    }
+                };
+                xhr.onload = () => {
+                    if (xhr.status >= 200 && xhr.status < 300) {
+                        try { resolve(JSON.parse(xhr.responseText)); }
+                        catch { reject(new Error('Ошибка разбора ответа')); }
+                    } else {
+                        try { reject(new Error(JSON.parse(xhr.responseText).error)); }
+                        catch { reject(new Error('Ошибка загрузки')); }
+                    }
+                };
+                xhr.onerror = () => reject(new Error('Сеть недоступна'));
+                xhr.send(formData);
+            });
+            onUploadSuccess(data);
+        } catch (err) {
+            // Restore drop zone
+            dropContent.innerHTML = `
+                <div class="drop-icon">
+                    <svg width="48" height="48" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="1.2">
+                        <path stroke-linecap="round" stroke-linejoin="round" d="M3 16.5v2.25A2.25 2.25 0 005.25 21h13.5A2.25 2.25 0 0021 18.75V16.5m-13.5-9L12 3m0 0l4.5 4.5M12 3v13.5"/>
+                    </svg>
+                </div>
+                <div class="drop-label">Перетащите видео или нажмите для выбора</div>
+                <div class="drop-hint" style="margin-top:6px;">MP4, WebM, MOV, AVI, MKV, MPEG, 3GP, OGG, FLV, WMV — до 200 МБ</div>`;
+            showError(err.message || 'Не удалось загрузить файл');
+        }
+    }
+
+    function onUploadSuccess(data) {
+        state.jobId = data.jobId;
+        state.originalSize = data.size || 0;
+
+        const info = data.info || {};
+        state.duration = info.duration || 0;
+
+        // Fill info card
+        document.getElementById('infoFilename').textContent = data.originalName || '—';
+        document.getElementById('infoSize').textContent     = formatSize(data.size);
+        document.getElementById('infoDuration').textContent = formatDuration(info.duration);
+        document.getElementById('infoResolution').textContent =
+            (info.width && info.height) ? info.width + '×' + info.height : '—';
+        document.getElementById('infoCodec').textContent      = info.codec || '—';
+        document.getElementById('infoAudioCodec').textContent = info.audioCodec || '—';
+        document.getElementById('infoBitrate').textContent    = formatBitrate(info.bitrate);
+
+        // Update estimates
+        updateEstimates();
+
+        // Set GIF end default to min(duration, 15)
+        const gifEndEl = document.getElementById('gifEnd');
+        if (state.duration > 0) {
+            gifEndEl.value = Math.min(state.duration, 15).toFixed(1);
+            gifEndEl.max = state.duration;
+            document.getElementById('gifStart').max = state.duration;
+        }
+
+        // Switch views
+        stepConfig.style.display = 'block';
+        stepUpload.style.display = 'none';
+    }
+
+    // ─── Mode tabs ────────────────────────────────────────────────────────────
+    document.querySelectorAll('.mode-tab').forEach(tab => {
+        tab.addEventListener('click', () => {
+            const mode = tab.dataset.mode;
+            state.mode = mode;
+
+            document.querySelectorAll('.mode-tab').forEach(t => {
+                t.classList.remove('active');
+                t.setAttribute('aria-selected', 'false');
+            });
+            tab.classList.add('active');
+            tab.setAttribute('aria-selected', 'true');
+
+            document.querySelectorAll('.mode-panel').forEach(p => p.classList.remove('active'));
+            const panel = document.getElementById('panel-' + mode);
+            if (panel) panel.classList.add('active');
+        });
+    });
+
+    // ─── Format button groups ─────────────────────────────────────────────────
+    function initBtnGroup(containerId, onSelect) {
+        const container = document.getElementById(containerId);
+        if (!container) return;
+        container.addEventListener('click', e => {
+            const btn = e.target.closest('.btn-option');
+            if (!btn || btn.disabled) return;
+            container.querySelectorAll('.btn-option').forEach(b => b.classList.remove('selected'));
+            btn.classList.add('selected');
+            onSelect(btn.dataset.value);
+        });
+    }
+
+    initBtnGroup('convertFormats', val => { state.format = val; });
+    initBtnGroup('audioFormats',   val => { state.audioFormat = val; });
+
+    // ─── Quality options ───────────────────────────────────────────────────────
+    document.querySelectorAll('.quality-option').forEach(label => {
+        label.addEventListener('click', () => {
+            document.querySelectorAll('.quality-option').forEach(l => l.classList.remove('selected'));
+            label.classList.add('selected');
+            state.quality = label.dataset.value;
+        });
+    });
+
+    // ─── Convert ──────────────────────────────────────────────────────────────
+    btnConvert.addEventListener('click', startConversion);
+
+    async function startConversion() {
+        clearError();
+        setControlsDisabled(true);
+
+        convertAction.style.display = 'none';
+        progressWrap.style.display = 'block';
+        stepResult.style.display = 'none';
+
+        setProgressUI(0, 'Запуск обработки...');
+
+        const body = {
+            jobId:     state.jobId,
+            mode:      state.mode,
+            format:    state.mode === 'convert' ? state.format
+                     : state.mode === 'audio'   ? state.audioFormat
+                     : state.mode === 'gif'     ? 'gif'
+                     :                            'mp4',
+            quality:   state.quality,
+            startTime: state.mode === 'gif' ? parseFloat(document.getElementById('gifStart').value || 0) : undefined,
+            endTime:   state.mode === 'gif' ? parseFloat(document.getElementById('gifEnd').value   || 0) : undefined,
+        };
+
+        try {
+            const res = await fetch('/video/convert', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify(body),
+            });
+
+            if (!res.ok) {
+                const err = await res.json().catch(() => ({ error: 'Ошибка запуска конвертации' }));
+                throw new Error(err.error || 'Ошибка запуска');
+            }
+
+            // Server starts processing in background, poll for progress
+            startPolling();
+        } catch (err) {
+            showConversionError(err.message || 'Ошибка конвертации');
+        }
+    }
+
+    function startPolling() {
+        clearPollTimer();
+        state.pollTimer = setInterval(async () => {
+            try {
+                const res = await fetch('/video/progress/' + state.jobId);
+                if (!res.ok) return;
+                const data = await res.json();
+
+                const pct = Math.min(100, Math.max(0, data.progress || 0));
+                const statusMap = {
+                    pending:    'В очереди...',
+                    processing: 'Обработка...',
+                    done:       'Готово!',
+                    error:      'Ошибка',
+                };
+                setProgressUI(pct, (statusMap[data.status] || 'Обработка...') + (pct > 0 && pct < 100 ? ' ' + pct + '%' : ''));
+
+                if (data.status === 'done') {
+                    clearPollTimer();
+                    onConversionDone(data);
+                } else if (data.status === 'error') {
+                    clearPollTimer();
+                    showConversionError(data.error || 'Ошибка обработки');
+                }
+            } catch {
+                // Network hiccup — keep polling
+            }
+        }, 1000);
+    }
+
+    function clearPollTimer() {
+        if (state.pollTimer) {
+            clearInterval(state.pollTimer);
+            state.pollTimer = null;
+        }
+    }
+
+    function setProgressUI(percent, statusText) {
+        progressFill.style.width = percent + '%';
+        progressPercent.textContent = percent + '%';
+        progressStatus.textContent = statusText;
+    }
+
+    function onConversionDone(data) {
+        setProgressUI(100, 'Готово!');
+
+        // Fill result card
+        const outputSize = data.outputSize || 0;
+        const savings    = data.savings    || 0;
+
+        document.getElementById('resultSize').textContent    = formatSize(outputSize);
+        document.getElementById('resultSavings').textContent = savings > 0 ? '−' + savings + '%' : '—';
+        document.getElementById('resultDuration').textContent = formatDuration(state.duration);
+
+        if (data.downloadUrl) {
+            downloadLink.href = data.downloadUrl;
+            downloadLink.setAttribute('download', '');
+        }
+
+        stepResult.style.display = 'block';
+        stepResult.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
+        setControlsDisabled(false);
+    }
+
+    function showConversionError(msg) {
+        clearPollTimer();
+        setControlsDisabled(false);
+        progressWrap.style.display = 'none';
+        convertAction.style.display = 'block';
+        showError(msg);
+    }
+
+    // ─── Reset ────────────────────────────────────────────────────────────────
+    btnReset.addEventListener('click', resetAll);
+
+    function resetToUpload() {
+        clearPollTimer();
+        state.jobId = null;
+        state.originalSize = 0;
+        state.duration = 0;
+
+        stepConfig.style.display = 'none';
+        stepResult.style.display = 'none';
+        stepUpload.style.display = 'block';
+        convertAction.style.display = 'block';
+        progressWrap.style.display = 'none';
+
+        setProgressUI(0, 'Подготовка...');
+        clearError();
+        fileInput.value = '';
+
+        // Reset drop zone content
+        dropContent.innerHTML = `
+            <div class="drop-icon">
+                <svg width="48" height="48" fill="none" stroke="currentColor" viewBox="0 0 24 24" stroke-width="1.2">
+                    <path stroke-linecap="round" stroke-linejoin="round" d="M3 16.5v2.25A2.25 2.25 0 005.25 21h13.5A2.25 2.25 0 0021 18.75V16.5m-13.5-9L12 3m0 0l4.5 4.5M12 3v13.5"/>
+                </svg>
+            </div>
+            <div class="drop-label">Перетащите видео или нажмите для выбора</div>
+            <div class="drop-hint" style="margin-top:6px;">MP4, WebM, MOV, AVI, MKV, MPEG, 3GP, OGG, FLV, WMV — до 200 МБ</div>`;
+    }
+
+    function resetAll() {
+        resetToUpload();
+
+        // Reset mode tabs
+        document.querySelectorAll('.mode-tab').forEach(t => {
+            t.classList.remove('active');
+            t.setAttribute('aria-selected', 'false');
+        });
+        document.querySelector('[data-mode="convert"]').classList.add('active');
+        document.querySelector('[data-mode="convert"]').setAttribute('aria-selected', 'true');
+        document.querySelectorAll('.mode-panel').forEach(p => p.classList.remove('active'));
+        document.getElementById('panel-convert').classList.add('active');
+        state.mode = 'convert';
+
+        // Reset format selections
+        document.querySelectorAll('#convertFormats .btn-option').forEach((b, i) => {
+            b.classList.toggle('selected', i === 0);
+        });
+        document.querySelectorAll('#audioFormats .btn-option').forEach((b, i) => {
+            b.classList.toggle('selected', i === 0);
+        });
+        state.format = 'mp4';
+        state.audioFormat = 'mp3';
+
+        // Reset quality
+        document.querySelectorAll('.quality-option').forEach((l, i) => {
+            l.classList.toggle('selected', i === 0);
+        });
+        document.querySelector('input[name="quality"][value="high"]').checked = true;
+        state.quality = 'high';
+
+        // Reset GIF fields
+        document.getElementById('gifStart').value = '0';
+        document.getElementById('gifEnd').value = '';
+
+        setControlsDisabled(false);
+    }
+})();
+</script>
+</body>
+</html>