diff --git a/src/components/ui/icons.tsx b/src/components/ui/icons.tsx
index a0c9ea4..6b3756e 100644
--- a/src/components/ui/icons.tsx
+++ b/src/components/ui/icons.tsx
@@ -182,6 +182,28 @@ export function IconTrash2({ size = 20, ...props }: IconProps) {
   );
 }
 
+export function IconMaximize2({ size = 20, ...props }: IconProps) {
+  return (
+    <svg {...baseSvgProps} width={size} height={size} {...props}>
+      <path d="M15 3h6v6" />
+      <path d="m21 3-7 7" />
+      <path d="M9 21H3v-6" />
+      <path d="m3 21 7-7" />
+    </svg>
+  );
+}
+
+export function IconMinimize2({ size = 20, ...props }: IconProps) {
+  return (
+    <svg {...baseSvgProps} width={size} height={size} {...props}>
+      <path d="M4 14h6v6" />
+      <path d="m10 14-7 7" />
+      <path d="M20 10h-6V4" />
+      <path d="m14 10 7-7" />
+    </svg>
+  );
+}
+
 export function IconPlus({ size = 20, ...props }: IconProps) {
   return (
     <svg {...baseSvgProps} width={size} height={size} {...props}>
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index 26a493b..579b6e1 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -736,6 +736,8 @@
     "runtime_home": "Current runtime: Home",
     "refresh_button": "Refresh Logs",
     "clear_button": "Clear Logs",
+    "fullscreen_button": "Full Screen",
+    "exit_fullscreen_button": "Exit Full Screen",
     "download_button": "Download Logs",
     "error_log_button": "Select Error Log",
     "error_logs_modal_title": "Error Request Logs",
diff --git a/src/i18n/locales/ru.json b/src/i18n/locales/ru.json
index b575ff7..bbdc885 100644
--- a/src/i18n/locales/ru.json
+++ b/src/i18n/locales/ru.json
@@ -733,6 +733,8 @@
     "runtime_home": "Текущий режим: Home",
     "refresh_button": "Обновить журналы",
     "clear_button": "Очистить журналы",
+    "fullscreen_button": "На весь экран",
+    "exit_fullscreen_button": "Выйти из полноэкранного режима",
     "download_button": "Скачать журналы",
     "error_log_button": "Выбрать журнал ошибок",
     "error_logs_modal_title": "Журналы ошибок запросов",
diff --git a/src/i18n/locales/zh-CN.json b/src/i18n/locales/zh-CN.json
index a96bf2e..07f8cd5 100644
--- a/src/i18n/locales/zh-CN.json
+++ b/src/i18n/locales/zh-CN.json
@@ -736,6 +736,8 @@
     "runtime_home": "当前运行端：Home",
     "refresh_button": "刷新日志",
     "clear_button": "清空日志",
+    "fullscreen_button": "全屏显示",
+    "exit_fullscreen_button": "退出全屏",
     "download_button": "下载日志",
     "error_log_button": "选择错误日志",
     "error_logs_modal_title": "错误请求日志",
diff --git a/src/i18n/locales/zh-TW.json b/src/i18n/locales/zh-TW.json
index 28e075b..7a06656 100644
--- a/src/i18n/locales/zh-TW.json
+++ b/src/i18n/locales/zh-TW.json
@@ -762,6 +762,8 @@
     "runtime_home": "目前執行端：Home",
     "refresh_button": "重新整理記錄",
     "clear_button": "清空記錄",
+    "fullscreen_button": "全螢幕顯示",
+    "exit_fullscreen_button": "退出全螢幕",
     "download_button": "下載記錄",
     "error_log_button": "選擇錯誤記錄",
     "error_logs_modal_title": "錯誤請求記錄",
diff --git a/src/pages/LogsPage.module.scss b/src/pages/LogsPage.module.scss
index 6454f90..e14a0bb 100644
--- a/src/pages/LogsPage.module.scss
+++ b/src/pages/LogsPage.module.scss
@@ -547,8 +547,9 @@
 }
 
 .requestIdBadge {
-  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono',
-    'Courier New', monospace;
+  font-family:
+    ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New',
+    monospace;
   font-size: 11px;
   color: #0891b2;
   background: rgba(8, 145, 178, 0.1);
@@ -753,3 +754,47 @@
     height: 280px;
   }
 }
+
+.logCardFullscreen {
+  position: fixed;
+  inset: 0;
+  z-index: $z-modal - 1;
+  min-height: 0;
+  width: 100vw;
+  height: 100vh;
+  padding: $spacing-lg;
+  border-radius: 0;
+  border: none;
+  overflow: hidden;
+  background: var(--bg-primary);
+
+  @include mobile {
+    padding: $spacing-md;
+    min-height: 0;
+    overflow: hidden;
+  }
+}
+
+:global(body.logs-fullscreen-active) :global(.page-transition__layer) {
+  transform: none !important;
+}
+
+.logPanelFullscreen {
+  flex: 1 1 auto;
+  min-height: 0;
+  height: auto;
+  max-height: none;
+  resize: none;
+
+  @include tablet {
+    min-height: 0;
+    max-height: none;
+  }
+
+  @include mobile {
+    flex: 1 1 auto;
+    min-height: 0;
+    height: auto;
+    max-height: none;
+  }
+}
diff --git a/src/pages/LogsPage.tsx b/src/pages/LogsPage.tsx
index 2b4b908..8898189 100644
--- a/src/pages/LogsPage.tsx
+++ b/src/pages/LogsPage.tsx
@@ -7,12 +7,15 @@ import { EmptyState } from '@/components/ui/EmptyState';
 import { Input } from '@/components/ui/Input';
 import { Modal } from '@/components/ui/Modal';
 import { ToggleSwitch } from '@/components/ui/ToggleSwitch';
+import { lockScroll, unlockScroll } from '@/components/ui/scrollLock';
 import {
   IconChevronDown,
   IconChevronUp,
   IconCode,
   IconDownload,
   IconEyeOff,
+  IconMaximize2,
+  IconMinimize2,
   IconRefreshCw,
   IconSearch,
   IconSlidersHorizontal,
@@ -148,6 +151,7 @@ export function LogsPage() {
   const [errorLogsError, setErrorLogsError] = useState('');
   const [requestLogId, setRequestLogId] = useState<string | null>(null);
   const [requestLogDownloading, setRequestLogDownloading] = useState(false);
+  const [fullscreenLogs, setFullscreenLogs] = useState(false);
 
   const logScrollerRef = useRef<ReturnType<typeof useLogScroller> | null>(null);
   const requestLogHomeIpByIdRef = useRef<Record<string, string>>({});
@@ -585,6 +589,27 @@ export function LogsPage() {
     };
   }, []);
 
+  useEffect(() => {
+    if (!fullscreenLogs) return;
+
+    document.body.classList.add('logs-fullscreen-active');
+    lockScroll();
+
+    const handleEscape = (event: KeyboardEvent) => {
+      if (event.key !== 'Escape') return;
+      if (document.querySelector('.modal-overlay')) return;
+      setFullscreenLogs(false);
+    };
+
+    document.addEventListener('keydown', handleEscape);
+
+    return () => {
+      document.removeEventListener('keydown', handleEscape);
+      document.body.classList.remove('logs-fullscreen-active');
+      unlockScroll();
+    };
+  }, [fullscreenLogs]);
+
   return (
     <div className={styles.container}>
       <div className={styles.pageHeader}>
@@ -603,7 +628,10 @@ export function LogsPage() {
         <button
           type="button"
           className={`${styles.tabItem} ${activeTab === 'errors' ? styles.tabActive : ''}`}
-          onClick={() => setActiveTab('errors')}
+          onClick={() => {
+            setFullscreenLogs(false);
+            setActiveTab('errors');
+          }}
         >
           {t('logs.error_logs_modal_title')}
         </button>
@@ -611,7 +639,11 @@ export function LogsPage() {
 
       <div className={styles.content}>
         {activeTab === 'logs' && (
-          <Card className={styles.logCard}>
+          <Card
+            className={[styles.logCard, fullscreenLogs ? styles.logCardFullscreen : '']
+              .filter(Boolean)
+              .join(' ')}
+          >
             {showFileLoggingRequired && (
               <div className="status-badge warning">
                 {t(
@@ -624,63 +656,67 @@ export function LogsPage() {
             {error && <div className="error-box">{error}</div>}
 
             <div className={styles.filters}>
-              <div className={styles.searchWrapper}>
-                <Input
-                  value={searchQuery}
-                  onChange={(e) => setSearchQuery(e.target.value)}
-                  placeholder={t('logs.search_placeholder')}
-                  className={styles.searchInput}
-                  rightElement={
-                    searchQuery ? (
-                      <button
-                        type="button"
-                        className={styles.searchClear}
-                        onClick={() => setSearchQuery('')}
-                        title="Clear"
-                        aria-label="Clear"
-                      >
-                        <IconX size={16} />
-                      </button>
-                    ) : (
-                      <IconSearch size={16} className={styles.searchIcon} />
-                    )
-                  }
-                />
-              </div>
+              {!fullscreenLogs && (
+                <>
+                  <div className={styles.searchWrapper}>
+                    <Input
+                      value={searchQuery}
+                      onChange={(e) => setSearchQuery(e.target.value)}
+                      placeholder={t('logs.search_placeholder')}
+                      className={styles.searchInput}
+                      rightElement={
+                        searchQuery ? (
+                          <button
+                            type="button"
+                            className={styles.searchClear}
+                            onClick={() => setSearchQuery('')}
+                            title="Clear"
+                            aria-label="Clear"
+                          >
+                            <IconX size={16} />
+                          </button>
+                        ) : (
+                          <IconSearch size={16} className={styles.searchIcon} />
+                        )
+                      }
+                    />
+                  </div>
 
-              <div className={styles.filterPanelHeader}>
-                <Button
-                  type="button"
-                  variant="secondary"
-                  size="sm"
-                  className={styles.filterPanelToggle}
-                  onClick={() => setStructuredFiltersExpanded((prev) => !prev)}
-                  aria-expanded={structuredFiltersExpanded}
-                  aria-controls={structuredFiltersPanelId}
-                  title={
-                    structuredFiltersExpanded
-                      ? t('logs.filter_panel_collapse')
-                      : t('logs.filter_panel_expand')
-                  }
-                >
-                  <span className={styles.filterPanelButtonContent}>
-                    <IconSlidersHorizontal size={16} />
-                    <span>{t('logs.filter_panel_title')}</span>
-                    {structuredFilterCount > 0 && (
-                      <span className={styles.filterPanelCount}>
-                        {t('logs.filter_panel_active_count', { count: structuredFilterCount })}
+                  <div className={styles.filterPanelHeader}>
+                    <Button
+                      type="button"
+                      variant="secondary"
+                      size="sm"
+                      className={styles.filterPanelToggle}
+                      onClick={() => setStructuredFiltersExpanded((prev) => !prev)}
+                      aria-expanded={structuredFiltersExpanded}
+                      aria-controls={structuredFiltersPanelId}
+                      title={
+                        structuredFiltersExpanded
+                          ? t('logs.filter_panel_collapse')
+                          : t('logs.filter_panel_expand')
+                      }
+                    >
+                      <span className={styles.filterPanelButtonContent}>
+                        <IconSlidersHorizontal size={16} />
+                        <span>{t('logs.filter_panel_title')}</span>
+                        {structuredFilterCount > 0 && (
+                          <span className={styles.filterPanelCount}>
+                            {t('logs.filter_panel_active_count', { count: structuredFilterCount })}
+                          </span>
+                        )}
+                        {structuredFiltersExpanded ? (
+                          <IconChevronUp size={16} />
+                        ) : (
+                          <IconChevronDown size={16} />
+                        )}
                       </span>
-                    )}
-                    {structuredFiltersExpanded ? (
-                      <IconChevronUp size={16} />
-                    ) : (
-                      <IconChevronDown size={16} />
-                    )}
-                  </span>
-                </Button>
-              </div>
+                    </Button>
+                  </div>
+                </>
+              )}
 
-              {structuredFiltersExpanded && (
+              {!fullscreenLogs && structuredFiltersExpanded && (
                 <div id={structuredFiltersPanelId} className={styles.structuredFilters}>
                   <div className={styles.filterChipGroup}>
                     <span className={styles.filterChipLabel}>{t('logs.filter_method')}</span>
@@ -837,6 +873,23 @@ export function LogsPage() {
                     {t('logs.clear_button')}
                   </span>
                 </Button>
+                <Button
+                  variant="secondary"
+                  size="sm"
+                  onClick={() => setFullscreenLogs((prev) => !prev)}
+                  className={styles.actionButton}
+                  aria-pressed={fullscreenLogs}
+                  title={
+                    fullscreenLogs ? t('logs.exit_fullscreen_button') : t('logs.fullscreen_button')
+                  }
+                >
+                  <span className={styles.buttonContent}>
+                    {fullscreenLogs ? <IconMinimize2 size={16} /> : <IconMaximize2 size={16} />}
+                    {fullscreenLogs
+                      ? t('logs.exit_fullscreen_button')
+                      : t('logs.fullscreen_button')}
+                  </span>
+                </Button>
               </div>
             </div>
 
@@ -845,7 +898,9 @@ export function LogsPage() {
             ) : logState.buffer.length > 0 && filteredLines.length > 0 ? (
               <div
                 ref={scroller.logViewerRef}
-                className={styles.logPanel}
+                className={[styles.logPanel, fullscreenLogs ? styles.logPanelFullscreen : '']
+                  .filter(Boolean)
+                  .join(' ')}
                 onScroll={scroller.handleLogScroll}
               >
                 {scroller.canLoadMore && (