fix(ui): scope ToggleSwitch styles with CSS Modules to prevent label text collapsing into a vertical column

src/components/ui/ToggleSwitch.module.scss

@@ -0,0 +1,58 @@
+.root {
+  position: relative;
+  display: inline-flex;
+  align-items: center;
+  gap: $spacing-sm;
+  cursor: pointer;
+}
+
+.labelLeft {
+  .label {
+    order: -1;
+  }
+}
+
+.disabled {
+  cursor: not-allowed;
+}
+
+.root input {
+  width: 0;
+  height: 0;
+  opacity: 0;
+  position: absolute;
+}
+
+.track {
+  width: 44px;
+  height: 24px;
+  background: var(--border-color);
+  border-radius: $radius-full;
+  position: relative;
+  transition: background $transition-fast;
+}
+
+.thumb {
+  position: absolute;
+  top: 3px;
+  left: 3px;
+  width: 18px;
+  height: 18px;
+  background: #fff;
+  border-radius: $radius-full;
+  box-shadow: $shadow-sm;
+  transition: transform $transition-fast;
+}
+
+.root input:checked + .track {
+  background: var(--primary-color);
+}
+
+.root input:checked + .track .thumb {
+  transform: translateX(20px);
+}
+
+.label {
+  color: var(--text-primary);
+  font-weight: 600;
+}

src/components/ui/ToggleSwitch.tsx

@@ -1,4 +1,5 @@
 import type { ChangeEvent, ReactNode } from 'react';
+import styles from './ToggleSwitch.module.scss';
 
 interface ToggleSwitchProps {
   checked: boolean;
@@ -21,7 +22,11 @@ export function ToggleSwitch({
     onChange(event.target.checked);
   };
 
-  const className = ['switch', labelPosition === 'left' ? 'switch-label-left' : '']
+  const className = [
+    styles.root,
+    labelPosition === 'left' ? styles.labelLeft : '',
+    disabled ? styles.disabled : '',
+  ]
     .filter(Boolean)
     .join(' ');
 
@@ -34,10 +39,10 @@ export function ToggleSwitch({
         disabled={disabled}
         aria-label={ariaLabel}
       />
-      <span className="track">
+      <span className={styles.track}>
-        <span className="thumb" />
+        <span className={styles.thumb} />
       </span>
-      {label && <span className="label">{label}</span>}
+      {label && <span className={styles.label}>{label}</span>}
     </label>
   );
 }