Improve server picker scrolling and subscription input layout

src/web/styles/features/servers.css

@@ -348,13 +348,6 @@
   transition-delay: 210ms;
 }
 
-.client-server-overflow-note {
-  margin: 10px 0 0;
-  color: var(--client-muted);
-  font-size: 9px;
-  text-align: center;
-}
-
 .client-server-tools input {
   width: 100%;
   height: 36px;
@@ -450,9 +443,15 @@
 }
 
 .client-server-mode-panel.is-simple .client-server-scroll {
-  max-height: none;
-  overflow: visible;
-  padding-right: 0;
+  max-height: 352px;
+  overflow-y: auto;
+  padding-right: 4px;
+  scrollbar-width: thin;
+}
+
+.client-server-mode-panel.is-simple .client-server-scroll::-webkit-scrollbar {
+  display: block;
+  width: 4px;
 }
 
 .client-server-scroll.is-leaving {

src/web/styles/features/subscription.css

@@ -328,7 +328,7 @@
 }
 
 .client-subscription-sheet > .client-profile-add {
-  margin-top: 8px;
+  margin-top: 10px;
   animation: client-profile-add-open 420ms cubic-bezier(0.16, 1, 0.3, 1) both;
 }
 
@@ -389,23 +389,13 @@
 
 .client-profile-add {
   display: grid;
-  gap: 10px;
-  padding: 10px 0 4px;
-}
-
-.client-profile-add label {
-  display: grid;
-  gap: 6px;
-  color: var(--client-muted);
-  font-size: 8px;
-  font-weight: 700;
-  letter-spacing: 0.08em;
-  text-transform: uppercase;
+  gap: 8px;
+  padding: 0 0 4px;
 }
 
 .client-profile-add input {
   min-width: 0;
-  height: 40px;
+  height: 36px;
   padding: 0 2px;
   border: 0;
   border-bottom: 1px solid color-mix(in oklch, var(--client-border) 72%, transparent);