fix(ui, next): adjust modal alignment and padding (#7931)

## Description

Updates styling on modals and auth forms for more consistent spacing and
alignment.

- [x] I have read and understand the
[CONTRIBUTING.md](https://github.com/payloadcms/payload/blob/main/CONTRIBUTING.md)
document in this repository.

## Type of change

- [x] Bug fix (non-breaking change which fixes an issue)

## Checklist:

- [ ] I have added tests that prove my fix is effective or that my
feature works
- [x] Existing test suite passes locally with my changes
- [ ] I have made corresponding changes to the documentation

packages/next/src/views/ResetPassword/index.scss

@@ -1,5 +1,31 @@
+@import '../../scss/styles.scss';
+
 .reset-password {
-  form > .field-type {
-    margin-bottom: var(--base);
+  &__wrap {
+    z-index: 1;
+    position: relative;
+    display: flex;
+    flex-direction: column;
+    align-items: flex-start;
+    gap: base(0.8);
+    max-width: base(36);
+
+    & > form {
+      width: 100%;
+
+      & > .inputWrap {
+        display: flex;
+        flex-direction: column;
+        gap: base(0.8);
+
+        > * {
+          margin: 0;
+        }
+      }
+    }
+
+    & > .btn {
+      margin: 0;
+    }
   }
 }