style pass

src/assets/scss/_global.scss

@@ -0,0 +1,11 @@
+body {
+  margin: 0;
+  padding: 0;
+  width: 100%;
+  min-height: 100vh;
+}
+
+#root {
+  width: 100%;
+  min-height: 100vh;
+}

src/components/auth/LoginForm.scss

@@ -5,7 +5,13 @@
 .login-container {
   @include flex-center;
   min-height: 100vh;
+  width: 100%;
   @include gradient-primary;
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
 }
 
 .login-card {
@@ -61,6 +67,8 @@
 }
 
 .error-message {
+  background-color: rgba($error, 0.1);
+  color: darken($error, 10%);
   padding: $spacing-md;
   border-radius: $radius-md;
   margin-bottom: $spacing-md;