From 61fcb53245b87ed26d112ba831214267121ffdbb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9A=D1=83=D1=80=D0=BD=D0=B0=D1=82=20=D0=90=D0=BD=D0=B4?=
 =?UTF-8?q?=D1=80=D0=B5=D0=B9?= <sevenhill@live.ru>
Date: Tue, 10 Mar 2026 00:08:20 +0300
Subject: [PATCH] edit

---
 BookReader/Resources/Raw/wwwroot/index.html | 45 +++++++++++++--------
 BookReader/Services/CalibreWebService.cs    |  7 +++-
 2 files changed, 34 insertions(+), 18 deletions(-)

diff --git a/BookReader/Resources/Raw/wwwroot/index.html b/BookReader/Resources/Raw/wwwroot/index.html
index 428baae..636496b 100644
--- a/BookReader/Resources/Raw/wwwroot/index.html
+++ b/BookReader/Resources/Raw/wwwroot/index.html
@@ -626,9 +626,31 @@
                 }
             };
 
+            function applyEpubReaderStyles(palette) {
+                if (!state.rendition) {
+                    return;
+                }
+
+                state.rendition.themes.default({
+                    'body': {
+                        'font-family': state.currentFontFamily + ' !important',
+                        'font-size': state.currentFontSize + 'px !important',
+                        'line-height': '1.6 !important',
+                        'padding': '15px !important',
+                        'background-color': palette.background + ' !important',
+                        'color': palette.color + ' !important'
+                    },
+                    'p': { 'text-indent': '1.5em', 'margin-bottom': '0.5em' }
+                });
+                state.rendition.themes.fontSize(state.currentFontSize + 'px');
+                state.rendition.themes.font(state.currentFontFamily);
+            }
+
             window.setFontSize = function (size) { // Изменение размера шрифта
                 state.currentFontSize = size;
-                if (state.bookFormat === 'epub' && state.rendition) state.rendition.themes.fontSize(size + 'px');
+                if (state.bookFormat === 'epub' && state.rendition) {
+                    applyEpubReaderStyles(getThemePalette(state.currentTheme));
+                }
                 else if (state.bookFormat === 'fb2') {
                     const inner = $('fb2-inner');
                     if (inner) {
@@ -640,7 +662,9 @@
 
             window.setFontFamily = function (family) { // Изменение гарнитуры шрифта
                 state.currentFontFamily = family;
-                if (state.bookFormat === 'epub' && state.rendition) state.rendition.themes.font(family);
+                if (state.bookFormat === 'epub' && state.rendition) {
+                    applyEpubReaderStyles(getThemePalette(state.currentTheme));
+                }
                 else if (state.bookFormat === 'fb2') {
                     const inner = $('fb2-inner');
                     if (inner) {
@@ -667,21 +691,7 @@
                 els.bookContent.style.backgroundColor = palette.background;
                 els.fb2Content.style.backgroundColor = palette.background;
 
-                if (state.rendition) {
-                    state.rendition.themes.default({
-                        'body': {
-                            'font-family': state.currentFontFamily + ' !important',
-                            'font-size': state.currentFontSize + 'px !important',
-                            'line-height': '1.6 !important',
-                            'padding': '15px !important',
-                            'background-color': palette.background + ' !important',
-                            'color': palette.color + ' !important'
-                        },
-                        'p': { 'text-indent': '1.5em', 'margin-bottom': '0.5em' }
-                    });
-                    state.rendition.themes.fontSize(state.currentFontSize + 'px');
-                    state.rendition.themes.font(state.currentFontFamily);
-                }
+                applyEpubReaderStyles(palette);
 
                 const inner = $('fb2-inner');
                 if (inner) {
@@ -748,3 +758,4 @@
 </html>
 
 
+
diff --git a/BookReader/Services/CalibreWebService.cs b/BookReader/Services/CalibreWebService.cs
index 58b6fa0..3749289 100644
--- a/BookReader/Services/CalibreWebService.cs
+++ b/BookReader/Services/CalibreWebService.cs
@@ -14,6 +14,7 @@ public class CalibreWebService : ICalibreWebService
     private const string OpdsAcquisitionRel = "http://opds-spec.org/acquisition";
     private const string OpdsImageRel = "http://opds-spec.org/image";
     private const string OpdsThumbnailRel = "http://opds-spec.org/image/thumbnail";
+    private const string CalibreDownloadUserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36";
 
     private readonly HttpClient _httpClient;
     private readonly ICoverCacheService _coverCacheService;
@@ -131,7 +132,10 @@ public class CalibreWebService : ICalibreWebService
         var fileName = $"{Guid.NewGuid()}.{book.Format}";
         var filePath = Path.Combine(booksDir, fileName);
 
-        using var response = await _httpClient.GetAsync(downloadUri, HttpCompletionOption.ResponseHeadersRead);
+        using var request = new HttpRequestMessage(HttpMethod.Get, downloadUri);
+        request.Headers.UserAgent.ParseAdd(CalibreDownloadUserAgent);
+
+        using var response = await _httpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);
         var hasAuthorizationHeader = _httpClient.DefaultRequestHeaders.Authorization != null;
 
         if (response.StatusCode == HttpStatusCode.Unauthorized || response.StatusCode == HttpStatusCode.Forbidden)
@@ -558,3 +562,4 @@ public class CalibreWebService : ICalibreWebService
 
 
 
+