Refactor VPN proxy components and update related behavior

src/web/styles/primitives.css

@@ -490,15 +490,6 @@
   transition: opacity 650ms cubic-bezier(0.16, 1, 0.3, 1), filter 650ms cubic-bezier(0.16, 1, 0.3, 1);
 }
 
-.client-form-content {
-  display: grid;
-  align-content: start;
-  gap: 24px;
-  opacity: 1;
-  filter: blur(0);
-  transition: opacity 360ms ease, filter 480ms cubic-bezier(0.16, 1, 0.3, 1);
-}
-
 .client-subscription-drawer {
   width: min(480px, 100vw);
 }
@@ -645,13 +636,7 @@
   cursor: wait;
 }
 
-.client-form.is-waiting {
-  opacity: 0;
-  filter: blur(10px);
-  pointer-events: none;
-}
-
-.client-shell:has(.harbor-brand.is-gateway-active) .client-form:not(.is-waiting) {
+.client-shell:has(.harbor-brand.is-gateway-active) .client-form {
   opacity: 0.34;
   filter: grayscale(1) saturate(0);
 }
@@ -660,8 +645,6 @@
   to { transform: rotate(360deg); }
 }
 
-.client-subscription-edit button:focus-visible,
-.client-subscription-domain-button:focus-visible,
 .client-server:focus-visible,
 .client-power:focus-visible {
   outline: 2px solid var(--client-accent);