Add secure password generator

webui/src/styles/components.css

@@ -195,17 +195,26 @@
   position: relative;
   width: 100%;
 }
-.password-field.has-toggle input {
+.password-field.has-actions input {
   padding-right: 42px;
 }
+.password-field.has-generator.has-reveal input {
+  padding-right: 74px;
+}
 .password-field.is-saved-empty input::placeholder {
   color: var(--muted);
   opacity: 1;
 }
-.password-field-toggle {
+.password-field-actions {
   position: absolute;
   top: 50%;
   right: 7px;
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  transform: translateY(-50%);
+}
+.password-field-action {
   display: inline-flex;
   align-items: center;
   justify-content: center;
@@ -217,17 +226,50 @@
   color: var(--muted);
   cursor: pointer;
   padding: 0;
-  transform: translateY(-50%);
 }
-.password-field-toggle:hover {
+.password-field-action:hover {
   background: var(--hover-tint-soft);
   color: var(--text-strong);
 }
-.password-field-toggle:focus-visible {
+.password-field-action:focus-visible {
   outline: var(--focus-outline);
   outline-offset: 1px;
 }
 
+.password-generator-dialog {
+  width: min(520px, calc(100vw - 32px));
+}
+.password-generator-body,
+.password-generator-options {
+  display: grid;
+  gap: 14px;
+}
+.password-generator-character-sets {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 8px 16px;
+}
+.password-generator-result {
+  display: grid;
+  grid-template-columns: minmax(0, 1fr) auto auto;
+  gap: 6px;
+  align-items: center;
+}
+.password-generator-result input {
+  min-width: 0;
+  font-family: var(--font-mono, monospace);
+}
+.password-generator-note {
+  margin: 0;
+  color: var(--muted);
+  font-size: 0.875rem;
+}
+@media (max-width: 520px) {
+  .password-generator-character-sets {
+    grid-template-columns: 1fr;
+  }
+}
+
 .credential-panel {
   display: grid;
   gap: 12px;