diff --git a/public/css/tkr.css b/public/css/tkr.css
index d1e5631..f7e8493 100644
--- a/public/css/tkr.css
+++ b/public/css/tkr.css
@@ -194,30 +194,32 @@ label {
 }
 
 .upload-btn {
-    background-color: #4299e1;
-    color: white;
-    border: none;
+    background-color: #f0f9ff;
+    color: #1e40af;
+    border: 1px solid #4299e1;
     padding: 10px 20px;
     border-radius: 6px;
     font-size: 15px;
     font-weight: 600;
     cursor: pointer;
     width: 100%;
-    transition: background-color 0.3s ease;
+    transition: all 0.2s ease;
     margin-top: 12px;
+    box-sizing: border-box;
 }
 
 .upload-btn:hover {
-    background-color: #3182ce;
+    background-color: #dbeafe;
+    border-color: #3182ce;
 }
 
 .upload-btn:active {
-    background-color: #2c5282;
+    background-color: #bfdbfe;
 }
 
 .upload-btn:focus {
     outline: none;
-    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.3);
+    box-shadow: 0 0 0 2px rgba(66, 153, 225, 0.1);
 }
 
 .security-info {