diff --git a/main.js b/main.js
index 1af6e25..6d78a12 100644
--- a/main.js
+++ b/main.js
@@ -68,8 +68,8 @@ let config = buildConfig(DEFAULT_DESTINATION);
 
 function createWindow() {
   const win = new BrowserWindow({
-    width: 900,
-    height: 640,
+    width: 1000,
+    height: 800,
     icon: path.join(__dirname, 'build', 'icon.png'),
     webPreferences: {
       preload: path.join(__dirname, 'preload.js'),
diff --git a/renderer/index.html b/renderer/index.html
index c28b5f5..498a0c7 100644
--- a/renderer/index.html
+++ b/renderer/index.html
@@ -24,32 +24,35 @@
         background: linear-gradient(130deg, #eaf0ff 0%, var(--bg) 45%, #f9fbff 100%);
         color: var(--text);
         font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+        font-size: 16px;
       }
 
       .page {
-        max-width: 820px;
+        max-width: 980px;
         margin: 40px auto;
         background: var(--card);
         border: 1px solid var(--border);
         border-radius: 14px;
-        padding: 26px;
+        padding: 32px;
       }
 
       h1 {
         margin-top: 0;
-        margin-bottom: 6px;
+        margin-bottom: 8px;
+        font-size: 26px;
       }
 
       p {
         margin: 0;
         color: var(--muted);
+        font-size: 15px;
       }
 
       .actions {
         display: flex;
         flex-wrap: wrap;
-        gap: 12px;
-        margin-top: 18px;
+        gap: 14px;
+        margin-top: 22px;
       }
 
       button {
@@ -57,8 +60,8 @@
         background: var(--accent);
         color: white;
         border-radius: 10px;
-        padding: 11px 16px;
-        font-size: 15px;
+        padding: 13px 20px;
+        font-size: 16px;
         cursor: pointer;
       }
 
@@ -116,43 +119,43 @@
       }
 
       .rules h2 {
-        margin: 0 0 10px;
-        font-size: 17px;
+        margin: 0 0 12px;
+        font-size: 19px;
       }
 
       .rule-row {
         display: grid;
         grid-template-columns: 180px 1fr auto auto;
-        gap: 8px;
+        gap: 10px;
         align-items: center;
-        margin-bottom: 8px;
+        margin-bottom: 10px;
       }
 
       .rule-row.single-row {
         grid-template-columns: 1fr auto auto;
-        margin-top: 10px;
+        margin-top: 12px;
       }
 
       .rule-row.preview-actions {
-        grid-template-columns: auto auto;
+        grid-template-columns: auto auto auto;
         justify-content: start;
       }
 
       .rule-label {
-        font-size: 13px;
+        font-size: 15px;
         color: var(--muted);
       }
 
       .rule-row input {
         min-width: 0;
-        padding: 9px 10px;
+        padding: 11px 12px;
         border: 1px solid var(--border);
         border-radius: 8px;
-        font-size: 14px;
+        font-size: 16px;
       }
 
       .rule-row button {
-        padding: 9px 12px;
+        padding: 11px 16px;
         border-radius: 8px;
       }
 
@@ -162,7 +165,7 @@
 
       .rule-status {
         margin-top: 4px;
-        font-size: 12px;
+        font-size: 14px;
         color: var(--muted);
       }