Quiet fields: base.css field baseline, --field tokens, 3:1 border-strong, app-wide migration

src/app/components/DatasetsModal.module.css

@@ -388,11 +388,6 @@
 .textarea {
   width: 100%;
   padding: var(--space-3);
-  border: var(--border-width) solid var(--border-strong);
-  border-radius: var(--radius);
-  background: var(--bg);
-  color: var(--text);
-  font: inherit;
   font-size: 13px;
 }
 
@@ -402,17 +397,6 @@
   min-height: 160px;
 }
 
-.input:focus-visible,
-.textarea:focus-visible {
-  outline: 2px solid var(--focus);
-  outline-offset: -1px;
-}
-
-.input::placeholder,
-.textarea::placeholder {
-  color: var(--text-placeholder);
-}
-
 .detected {
   display: flex;
   align-items: center;