feat: enhance navigation with collapsible groups and improve styles

webapp/src/components/AppAuthenticatedShell.tsx

@@ -1,4 +1,6 @@
-import { ArrowUpDown, Cloud, Clock3, Folder as FolderIcon, Globe2, KeyRound, Lock, LogOut, Send as SendIcon, Settings as SettingsIcon, Shield, ShieldUser } from 'lucide-preact';
+import { ChevronDown, Clock3, Cloud, Folder as FolderIcon, KeyRound, Lock, LogOut, Send as SendIcon, Settings as SettingsIcon, ShieldUser } from 'lucide-preact';
+import type { ComponentChildren } from 'preact';
+import { useState } from 'preact/hooks';
 import { Link } from 'wouter';
 import AppMainRoutes from '@/components/AppMainRoutes';
 import ThemeSwitch from '@/components/ThemeSwitch';
@@ -32,6 +34,53 @@ function isAdminProfile(profile: Profile | null): boolean {
 export default function AppAuthenticatedShell(props: AppAuthenticatedShellProps) {
   const routeAnimationKey = props.isImportRoute ? props.importRoute : props.location;
   const isAdmin = isAdminProfile(props.profile);
+  const vaultActive = props.location === '/vault' || props.location === '/vault/totp';
+  const settingsActive = props.location === props.settingsAccountRoute || props.location === '/settings/domain-rules';
+  const dataActive = props.location === '/backup' || props.isImportRoute;
+  const managementActive = props.location === '/admin' || props.location === '/security/devices';
+  const [expandedGroups, setExpandedGroups] = useState({
+    vault: true,
+    settings: false,
+    data: false,
+    management: false,
+  });
+
+  function toggleGroup(group: keyof typeof expandedGroups): void {
+    setExpandedGroups((current) => ({ ...current, [group]: !current[group] }));
+  }
+
+  function groupOpen(group: keyof typeof expandedGroups, active: boolean): boolean {
+    return expandedGroups[group] || active;
+  }
+
+  function renderNavGroup(
+    group: keyof typeof expandedGroups,
+    title: string,
+    icon: ComponentChildren,
+    active: boolean,
+    children: ComponentChildren
+  ) {
+    const open = groupOpen(group, active);
+    return (
+      <div className={`side-nav-group ${open ? 'open' : ''}`}>
+        <button
+          type="button"
+          className={`side-group-trigger ${active ? 'active' : ''}`}
+          aria-expanded={open}
+          onClick={() => toggleGroup(group)}
+        >
+          {icon}
+          <span>{title}</span>
+          <ChevronDown size={15} className="side-group-chevron" />
+        </button>
+        <div className={`side-subnav ${open ? 'open' : ''}`}>
+          <div className="side-subnav-inner">
+            {children}
+          </div>
+        </div>
+      </div>
+    );
+  }
 
   return (
     <div className="app-page">
@@ -76,46 +125,70 @@ export default function AppAuthenticatedShell(props: AppAuthenticatedShellProps)
 
         <div className="app-main">
           <aside className="app-side">
-            <Link href="/vault" className={`side-link ${props.location === '/vault' ? 'active' : ''}`}>
+            {renderNavGroup(
-              <KeyRound size={16} />
+              'vault',
-              <span>{t('nav_my_vault')}</span>
+              t('nav_my_vault'),
+              <KeyRound size={16} />,
+              vaultActive,
+              <>
+                <Link href="/vault" className={`side-sub-link ${props.location === '/vault' ? 'active' : ''}`}>
+                  <span>{t('nav_vault_items')}</span>
                 </Link>
-            <Link href="/vault/totp" className={`side-link ${props.location === '/vault/totp' ? 'active' : ''}`}>
+                <Link href="/vault/totp" className={`side-sub-link ${props.location === '/vault/totp' ? 'active' : ''}`}>
-              <Clock3 size={16} />
                   <span>{t('txt_verification_code')}</span>
                 </Link>
+              </>
+            )}
             <Link href="/sends" className={`side-link ${props.location === '/sends' ? 'active' : ''}`}>
               <SendIcon size={16} />
               <span>{t('nav_sends')}</span>
             </Link>
-            {isAdmin && (
+            {renderNavGroup(
-              <Link href="/admin" className={`side-link ${props.location === '/admin' ? 'active' : ''}`}>
+              'settings',
-                <ShieldUser size={16} />
+              t('txt_settings'),
-                <span>{t('nav_admin_panel')}</span>
+              <SettingsIcon size={16} />,
-              </Link>
+              settingsActive,
-            )}
+              <>
-            <Link href={props.settingsAccountRoute} className={`side-link ${props.location === props.settingsAccountRoute ? 'active' : ''}`}>
+                <Link href={props.settingsAccountRoute} className={`side-sub-link ${props.location === props.settingsAccountRoute ? 'active' : ''}`}>
-              <SettingsIcon size={16} />
                   <span>{t('nav_account_settings')}</span>
                 </Link>
-            <Link href="/security/devices" className={`side-link ${props.location === '/security/devices' ? 'active' : ''}`}>
+                <Link href="/settings/domain-rules" className={`side-sub-link ${props.location === '/settings/domain-rules' ? 'active' : ''}`}>
-              <Shield size={16} />
-              <span>{t('nav_device_management')}</span>
-            </Link>
-            <Link href="/settings/domain-rules" className={`side-link ${props.location === '/settings/domain-rules' ? 'active' : ''}`}>
-              <Globe2 size={16} />
                   <span>{t('nav_domain_rules')}</span>
                 </Link>
+              </>
+            )}
+            {renderNavGroup(
+              'data',
+              t('nav_group_data_backup'),
+              <Cloud size={16} />,
+              dataActive,
+              <>
                 {isAdmin && (
-              <Link href="/backup" className={`side-link ${props.location === '/backup' ? 'active' : ''}`}>
+                  <Link href="/backup" className={`side-sub-link ${props.location === '/backup' ? 'active' : ''}`}>
-                <Cloud size={16} />
                     <span>{t('nav_backup_strategy')}</span>
                   </Link>
                 )}
-            <Link href={props.importRoute} className={`side-link ${props.isImportRoute ? 'active' : ''}`}>
+                <Link href={props.importRoute} className={`side-sub-link ${props.isImportRoute ? 'active' : ''}`}>
-              <ArrowUpDown size={14} />
                   <span>{t('nav_import_export')}</span>
                 </Link>
+              </>
+            )}
+            {renderNavGroup(
+              'management',
+              t('nav_group_management'),
+              <ShieldUser size={16} />,
+              managementActive,
+              <>
+                {isAdmin && (
+                  <Link href="/admin" className={`side-sub-link ${props.location === '/admin' ? 'active' : ''}`}>
+                    <span>{t('nav_admin_panel')}</span>
+                  </Link>
+                )}
+                <Link href="/security/devices" className={`side-sub-link ${props.location === '/security/devices' ? 'active' : ''}`}>
+                  <span>{t('nav_device_management')}</span>
+                </Link>
+              </>
+            )}
           </aside>
           <main className="content">
             <div key={routeAnimationKey} className={`route-stage ${props.location === '/settings/domain-rules' ? 'route-stage-fixed' : ''}`}>

webapp/src/lib/i18n/locales/en.ts

@@ -4,9 +4,12 @@ const en: Record<string, string> = {
   "nav_admin_panel": "Admin Panel",
   "nav_device_management": "Device Management",
   "nav_my_vault": "My Vault",
+  "nav_vault_items": "Vault",
   "nav_sends": "Sends",
   "nav_backup_strategy": "Cloud Backup",
   "nav_import_export": "Import & Export",
+  "nav_group_data_backup": "Data & Backup",
+  "nav_group_management": "Management",
   "txt_page_not_found": "Page Not Found",
   "txt_page_not_found_hint": "The page may have been removed, expired, or the link is incomplete.",
   "txt_back_to_home": "Back To Home",

webapp/src/lib/i18n/locales/es.ts

@@ -4,9 +4,12 @@ const es: Record<string, string> = {
   "nav_admin_panel": "Panel de administración",
   "nav_device_management": "Gestión de dispositivos",
   "nav_my_vault": "Mi bóveda",
+  "nav_vault_items": "Bóveda",
   "nav_sends": "Envíos",
   "nav_backup_strategy": "Copia de seguridad en la nube",
   "nav_import_export": "Importar y exportar",
+  "nav_group_data_backup": "Datos y copias",
+  "nav_group_management": "Gestión",
   "txt_page_not_found": "Página no encontrada",
   "txt_page_not_found_hint": "La página pudo haberse eliminado, expirado, o el enlace está incompleto.",
   "txt_back_to_home": "Volver al inicio",

webapp/src/lib/i18n/locales/ru.ts

@@ -5,9 +5,12 @@ const ru: Record<string, string> = {
   "nav_admin_panel": "Панель администратора",
   "nav_device_management": "Управление устройствами",
   "nav_my_vault": "Мое хранилище",
+  "nav_vault_items": "Хранилище",
   "nav_sends": "Отправляет",
   "nav_backup_strategy": "Облачное резервное копирование",
   "nav_import_export": "Импорт и экспорт",
+  "nav_group_data_backup": "Данные и резервные копии",
+  "nav_group_management": "Управление",
   "txt_page_not_found": "Страница не найдена",
   "txt_page_not_found_hint": "Страница могла быть удалена, срок ее действия истек, или ссылка неполная.",
   "txt_back_to_home": "На главную",

webapp/src/lib/i18n/locales/zh-CN.ts

@@ -4,9 +4,12 @@ const zhCN: Record<string, string> = {
   "nav_admin_panel": "用户管理",
   "nav_device_management": "设备管理",
   "nav_my_vault": "我的密码库",
+  "nav_vault_items": "密码库",
   "nav_sends": "Send",
   "nav_backup_strategy": "云端备份",
   "nav_import_export": "导入导出",
+  "nav_group_data_backup": "数据与备份",
+  "nav_group_management": "管理",
   "txt_page_not_found": "页面不存在",
   "txt_page_not_found_hint": "这个页面可能已经删除、过期，或者链接不完整。",
   "txt_back_to_home": "回到首页",

webapp/src/lib/i18n/locales/zh-TW.ts

@@ -4,9 +4,12 @@ const zhTW: Record<string, string> = {
   "nav_admin_panel": "用戶管理",
   "nav_device_management": "設備管理",
   "nav_my_vault": "我的密碼庫",
+  "nav_vault_items": "密碼庫",
   "nav_sends": "Send",
   "nav_backup_strategy": "雲端備份",
   "nav_import_export": "導入導出",
+  "nav_group_data_backup": "資料與備份",
+  "nav_group_management": "管理",
   "txt_page_not_found": "頁面不存在",
   "txt_page_not_found_hint": "這個頁面可能已經刪除、過期，或者連結不完整。",
   "txt_back_to_home": "回到首頁",

webapp/src/styles/shell.css

@@ -167,6 +167,75 @@
   @apply flex items-center gap-2.5 rounded-xl border border-transparent px-3 py-2.5 text-sm font-semibold text-muted-strong no-underline transition;
 }
 
+.side-nav-group {
+  @apply grid gap-1;
+}
+
+.side-group-trigger {
+  @apply flex w-full cursor-pointer items-center gap-2.5 rounded-xl border border-transparent px-3 py-2.5 text-left text-sm font-semibold text-muted-strong transition;
+  background: transparent;
+}
+
+.side-group-trigger:hover {
+  background: #fff;
+  border-color: rgba(128, 152, 192, 0.18);
+  color: var(--text);
+  box-shadow: 0 10px 18px rgba(15, 23, 42, 0.04);
+}
+
+.side-group-trigger.active {
+  color: var(--primary-strong);
+}
+
+.side-group-trigger span {
+  @apply min-w-0 flex-1 truncate;
+}
+
+.side-group-chevron {
+  @apply shrink-0;
+  transition: transform 190ms var(--ease-out-soft);
+}
+
+.side-nav-group.open .side-group-chevron {
+  transform: rotate(180deg);
+}
+
+.side-subnav {
+  display: grid;
+  grid-template-rows: 0fr;
+  opacity: 0;
+  transform: translateY(-4px);
+  transition:
+    grid-template-rows 220ms var(--ease-smooth),
+    opacity 170ms var(--ease-smooth),
+    transform 220ms var(--ease-out-soft);
+}
+
+.side-subnav.open {
+  grid-template-rows: 1fr;
+  opacity: 1;
+  transform: translateY(0);
+}
+
+.side-subnav-inner {
+  @apply grid gap-1 overflow-hidden pl-[38px] pr-1;
+}
+
+.side-sub-link {
+  @apply block rounded-lg border border-transparent px-3 py-2 text-sm font-semibold text-muted no-underline transition;
+}
+
+.side-sub-link:hover {
+  background: rgba(255, 255, 255, 0.78);
+  color: var(--text);
+}
+
+.side-sub-link.active {
+  background: rgba(37, 99, 235, 0.10);
+  border-color: rgba(37, 99, 235, 0.18);
+  color: var(--primary-strong);
+}
+
 .side-link:hover {
   background: #fff;
   border-color: rgba(128, 152, 192, 0.18);