Match fields say "any of" or "any but" first

The zone, From and To fields start with an any of / any but choice
instead of a checkbox under the list, and an "any but" list is tinted
red. The release script encodes a + (build metadata) in its URLs.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

internal/web/static/assets/style.css

@@ -379,6 +379,10 @@ pre.wrap { white-space: pre-wrap; word-break: break-all; font-size: 12px; }
 .list-rows { display: flex; flex-direction: column; gap: 6px; margin-bottom: 6px; }
 .list-row { display: flex; gap: 6px; align-items: center; }
 .list-row input { width: 26em; max-width: 100%; }
+.negatable { display: flex; gap: 8px; align-items: flex-start; flex-wrap: wrap; }
+.negatable > .list-editor { flex: 1; min-width: 0; }
+.negatable.negated > select { color: var(--err); border-color: var(--err); font-weight: 600; }
+.negatable.negated .list-row input { background: var(--err-soft); color: var(--del-text); border-color: var(--err); }
 input.short { width: 7em; }
 .builtins { margin-bottom: 10px; line-height: 1.6; }
 .policy { margin-top: 10px; }