diff --git a/web-v2/src/pages/AuthoritativeInventoryConfigPage.tsx b/web-v2/src/pages/AuthoritativeInventoryConfigPage.tsx
index a52f071..108d75a 100644
--- a/web-v2/src/pages/AuthoritativeInventoryConfigPage.tsx
+++ b/web-v2/src/pages/AuthoritativeInventoryConfigPage.tsx
@@ -245,8 +245,8 @@ export function AuthoritativeInventoryConfigPage() {
         {canManage && <div style={{ marginTop: 18, borderTop: '1px solid var(--border)', paddingTop: 18 }}>
           <h3 style={{ marginTop: 0 }}>+ Nuevo tipo</h3>
           <label className="field"><span>Nombre</span><input value={newTypeName} onChange={(event) => setNewTypeName(event.target.value)} placeholder={level === 'INSTALLATION' ? 'Ej. Planta de tratamiento' : 'Ej. Bomba centrífuga'} /></label>
-          {level === 'SUBINSTALLATION' && <div className="field"><span>Puede estar dentro de</span><div style={{ display: 'grid', gap: 8, marginTop: 8 }}>
-            {installationFamilies.filter((family) => family.isActive !== false).map((family) => <label key={family.id} style={{ display: 'flex', alignItems: 'center', gap: 8 }}><input type="checkbox" checked={newTypeParents.includes(family.id)} onChange={() => toggleParent(family.id)} />{family.name}</label>)}
+          {level === 'SUBINSTALLATION' && <div className="field"><span>Puede estar dentro de</span><div className="inventory-parent-options">
+            {installationFamilies.filter((family) => family.isActive !== false).map((family) => <label key={family.id} className="inventory-parent-option"><input type="checkbox" checked={newTypeParents.includes(family.id)} onChange={() => toggleParent(family.id)} /><span>{family.name}</span></label>)}
           </div></div>}
           <button type="button" className="button primary" disabled={saving || !newTypeName.trim()} onClick={() => void createType()}><Icon name="plus" />Crear tipo</button>
         </div>}
@@ -265,10 +265,10 @@ export function AuthoritativeInventoryConfigPage() {
 
           {selectedFamily.level === 'SUBINSTALLATION' && <div style={{ marginBottom: 22 }}>
             <strong>Puede estar dentro de:</strong>
-            <div style={{ display: 'grid', gap: 8, marginTop: 10 }}>
-              {installationFamilies.filter((family) => family.isActive !== false).map((family) => <label key={family.id} style={{ display: 'flex', gap: 8, alignItems: 'center' }}>
+            <div className="inventory-parent-options">
+              {installationFamilies.filter((family) => family.isActive !== false).map((family) => <label key={family.id} className="inventory-parent-option">
                 <input type="checkbox" disabled={!canManage || saving} checked={selectedFamily.parentFamilyIds.includes(family.id)} onChange={() => void toggleSelectedParent(family.id)} />
-                {family.name}
+                <span>{family.name}</span>
               </label>)}
             </div>
           </div>}
diff --git a/web-v2/src/styles.css b/web-v2/src/styles.css
index 6d4eb96..2fd064e 100644
--- a/web-v2/src/styles.css
+++ b/web-v2/src/styles.css
@@ -1296,3 +1296,55 @@ code { color: #5e6677; font-family: ui-monospace, monospace; font-size: 9px; }
 /* D5.6.4 · combobox buscable global */
 .searchable-select{position:relative;width:100%;min-width:0}.searchable-select-native{position:absolute!important;inset:0;width:1px!important;height:1px!important;opacity:0;pointer-events:none}.searchable-select-trigger{display:flex;width:100%;min-height:41px;align-items:center;justify-content:space-between;gap:10px;padding:9px 11px;border:1px solid #d7dce5;border-radius:8px;background:#fff;color:var(--ink);font-size:13px;text-align:left;cursor:pointer;outline:none}.searchable-select-trigger:hover{border-color:#bcc6d6}.searchable-select-trigger:focus-visible{border-color:#6b95ed;box-shadow:0 0 0 3px rgba(40,100,220,.1)}.searchable-select-trigger:disabled{cursor:not-allowed;color:#9199a8;background:#f1f3f6}.searchable-select-trigger>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.searchable-select-trigger .placeholder{color:#7e8796}.searchable-select-trigger .icon{flex:0 0 auto;transform:rotate(90deg)}.searchable-select-popup{position:fixed;z-index:10000;max-height:315px;padding:6px;border:1px solid #ccd4e0;border-radius:10px;background:#fff;box-shadow:0 14px 40px rgba(18,31,53,.18)}.searchable-select-search{display:flex;align-items:center;gap:7px;padding:5px 7px 7px;border-bottom:1px solid var(--line)}.searchable-select-search input{width:100%;min-width:0;height:34px;padding:6px 8px;border:0;outline:0;background:transparent;color:var(--ink);font-size:12px}.searchable-select-options{max-height:245px;overflow:auto;padding-top:4px}.searchable-select-options>button{display:flex;width:100%;align-items:center;justify-content:space-between;gap:8px;padding:8px 9px;border:0;border-radius:7px;background:transparent;color:var(--ink);font-size:12px;text-align:left;cursor:pointer}.searchable-select-options>button:hover,.searchable-select-options>button:focus-visible{background:#f2f5fa;outline:none}.searchable-select-options>button.selected{background:#eef4ff;color:#174ea6;font-weight:750}.searchable-select-options>button:disabled{cursor:not-allowed;color:#a0a7b3;background:transparent}.searchable-select-empty{padding:14px 10px;color:var(--muted);font-size:11px;text-align:center}.select-field>.searchable-select{width:100%}.survey-inline-select.searchable-select{min-width:130px;margin-top:6px;padding:0;border:0;background:transparent}.survey-inline-select.wide.searchable-select{min-width:175px;margin-top:0}.survey-inline-select .searchable-select-trigger{min-height:33px;padding:6px 8px;border-radius:7px;font-size:9px}.operational-context-selectors .searchable-select-trigger{min-height:36px;padding:7px 9px;font-size:10px}.parent-picker .searchable-select-trigger{border-radius:5px 5px 8px 8px}
 .inspection-quick-create{max-width:980px;margin-left:auto;margin-right:auto}.inspection-quick-create .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.inspection-generated-code{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:var(--soft)}.inspection-generated-code small{color:var(--muted);font-weight:700}.inspection-generated-code strong{font-size:15px;letter-spacing:.02em}@media(max-width:760px){.inspection-quick-create .form-grid{grid-template-columns:1fr}}
+
+/* Parent choices need fixed-size controls even inside a generic form field. */
+.inventory-parent-options {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr));
+  gap: 8px;
+  margin: 10px 0 14px;
+}
+.inventory-parent-option {
+  display: flex;
+  align-items: center;
+  justify-content: flex-start;
+  gap: 10px;
+  min-width: 0;
+  min-height: 42px;
+  padding: 10px 12px;
+  border: 1px solid var(--line);
+  border-radius: 8px;
+  background: #fff;
+  color: var(--ink);
+  font-size: 12px;
+  font-weight: 600;
+  line-height: 1.4;
+  cursor: pointer;
+}
+.inventory-parent-option input[type="checkbox"] {
+  flex: 0 0 17px;
+  width: 17px;
+  height: 17px;
+  min-height: 17px;
+  padding: 0;
+  margin: 0;
+  accent-color: var(--blue);
+  cursor: inherit;
+}
+.inventory-parent-option > span {
+  display: block;
+  min-width: 0;
+  overflow-wrap: anywhere;
+}
+.inventory-parent-option:has(input:checked) {
+  border-color: #9db9ed;
+  background: #eef4ff;
+}
+.inventory-parent-option:has(input:focus-visible) {
+  outline: 2px solid var(--blue);
+  outline-offset: 2px;
+}
+.inventory-parent-option:has(input:disabled) {
+  cursor: default;
+  opacity: .65;
+}