diff --git a/public/css/style.css b/public/css/style.css
index 9c51ca4..267db5e 100644
--- a/public/css/style.css
+++ b/public/css/style.css
@@ -125,7 +125,7 @@ header p {
     display: flex;
     align-items: center;
     justify-content: center;
-    background: rgba(255, 255, 255, 0.92);
+    background: radial-gradient(circle at top left, rgba(249, 250, 252, 0.95), rgba(255, 255, 255, 0.98));
     z-index: 50;
     padding: 2rem;
 }
@@ -180,6 +180,20 @@ header p {
 .login-card .primary-btn {
     width: 100%;
     margin-top: 0.75rem;
+    padding: 0.95rem 1rem;
+    border-radius: 14px;
+    border: none;
+    background: #2563eb;
+    color: #ffffff;
+    font-size: 1rem;
+    font-weight: 700;
+    cursor: pointer;
+    transition: background 0.2s ease, transform 0.2s ease;
+}
+
+.login-card .primary-btn:hover {
+    background: #1d4ed8;
+    transform: translateY(-1px);
 }
 
 .form-error {