Add mobile bottom tab bar (elmi-portal pattern) — desktop keeps top nav, mobile gets fixed bottom icons + Ещё overflow for admin settings

src/app/(admin)/layout.tsx

@@ -2,7 +2,7 @@ import { redirect } from "next/navigation";
 import Link from "next/link";
 import { CalendarCheck } from "lucide-react";
 import { getCurrentSession } from "@/lib/auth/session";
-import { NavLinks } from "./nav-links";
+import { NavShell } from "./nav-shell";
 import { ThemeToggle } from "./theme-toggle";
 import { LogoutButton } from "./logout-button";
 
@@ -16,25 +16,28 @@ export default async function AdminLayout({ children }: { children: React.ReactN
 
   return (
     <div className="flex min-h-screen flex-col bg-bg">
-      <header className="border-b border-border bg-surface">
-        <div className="mx-auto flex max-w-[1800px] flex-wrap items-center gap-x-6 gap-y-2 px-4 py-3 sm:px-6">
-          <Link href="/" className="flex items-center gap-2 font-display text-[15px] font-bold tracking-tight">
+      <header className="border-b border-border bg-surface pt-[env(safe-area-inset-top)]">
+        <div className="mx-auto flex max-w-[1800px] items-center gap-3 px-4 py-2.5 sm:gap-6 sm:px-6 sm:py-3">
+          <Link href="/" className="flex shrink-0 items-center gap-2 font-display text-[15px] font-bold tracking-tight">
             <div className="flex h-7 w-7 shrink-0 items-center justify-center rounded-md bg-accent text-white">
               <CalendarCheck size={15} strokeWidth={2.5} />
             </div>
-            top-reservation
+            <span className="hidden sm:inline">top-reservation</span>
           </Link>
-          <div className="order-last w-full overflow-x-auto sm:order-none sm:w-auto sm:flex-1 sm:overflow-visible sm:flex sm:justify-center">
-            <NavLinks isAdmin={isAdmin} />
+          <div className="flex flex-1 justify-center overflow-x-auto">
+            <NavShell isAdmin={isAdmin} />
           </div>
-          <div className="ml-auto flex items-center gap-2 sm:ml-0 sm:gap-3">
+          <div className="ml-auto flex shrink-0 items-center gap-2 sm:ml-0 sm:gap-3">
             <ThemeToggle />
             <span className="hidden text-sm text-text-muted sm:inline">{session.user.name}</span>
             <LogoutButton />
           </div>
         </div>
       </header>
-      <main className="mx-auto w-full max-w-[1800px] flex-1 px-4 py-6 sm:px-6">{children}</main>
+      {/* pb: clears the fixed mobile bottom-tab bar (~52px + safe-area) so it never covers the last bit of scrolled content */}
+      <main className="mx-auto w-full max-w-[1800px] flex-1 px-4 py-6 pb-[calc(4.25rem+env(safe-area-inset-bottom))] sm:px-6 lg:pb-6">
+        {children}
+      </main>
     </div>
   );
 }

src/app/(admin)/mobile-nav.tsx

@@ -0,0 +1,89 @@
+"use client";
+
+import { useState } from "react";
+import Link from "next/link";
+import { usePathname } from "next/navigation";
+import { MoreHorizontal, X } from "lucide-react";
+import { links, PRIMARY_COUNT } from "./nav-data";
+
+export function MobileNav({ isAdmin }: { isAdmin: boolean }) {
+  const pathname = usePathname();
+  const [moreOpen, setMoreOpen] = useState(false);
+
+  const visibleLinks = links.filter((link) => !link.adminOnly || isAdmin);
+  const primary = visibleLinks.slice(0, PRIMARY_COUNT);
+  const overflow = visibleLinks.slice(PRIMARY_COUNT);
+  const overflowActive = overflow.some((l) => pathname.startsWith(l.href));
+
+  function isActive(link: (typeof links)[number]) {
+    return link.exact ? pathname === link.href : pathname.startsWith(link.href);
+  }
+
+  return (
+    <>
+      {moreOpen && (
+        <div className="fixed inset-0 z-40 bg-black/40 lg:hidden" onClick={() => setMoreOpen(false)}>
+          <div
+            className="absolute inset-x-0 bottom-0 rounded-t-xl border-t border-border bg-surface p-2 pb-[calc(0.5rem+env(safe-area-inset-bottom))]"
+            onClick={(e) => e.stopPropagation()}
+          >
+            <div className="mb-1 flex items-center justify-between px-2 py-1.5">
+              <span className="text-sm font-semibold">Ещё</span>
+              <button onClick={() => setMoreOpen(false)} className="rounded-md p-1 text-text-faint hover:bg-surface-hover">
+                <X size={16} />
+              </button>
+            </div>
+            {overflow.map((link) => {
+              const active = isActive(link);
+              return (
+                <Link
+                  key={link.href}
+                  href={link.href}
+                  onClick={() => setMoreOpen(false)}
+                  className={`flex items-center gap-3 rounded-md px-3 py-2.5 text-sm font-medium ${
+                    active ? "bg-accent-soft text-accent-soft-text" : "text-text-muted hover:bg-surface-hover hover:text-text"
+                  }`}
+                >
+                  <link.icon size={17} />
+                  {link.label}
+                </Link>
+              );
+            })}
+          </div>
+        </div>
+      )}
+
+      <nav
+        className="fixed inset-x-0 bottom-0 z-30 flex border-t border-border bg-surface pb-[env(safe-area-inset-bottom)] lg:hidden"
+        aria-label="Основная навигация"
+      >
+        {primary.map((link) => {
+          const active = isActive(link);
+          return (
+            <Link
+              key={link.href}
+              href={link.href}
+              className={`flex flex-1 flex-col items-center gap-0.5 py-2 text-[11px] font-medium ${
+                active ? "text-accent" : "text-text-faint"
+              }`}
+            >
+              <link.icon size={20} />
+              {link.shortLabel ?? link.label}
+            </Link>
+          );
+        })}
+        {overflow.length > 0 && (
+          <button
+            onClick={() => setMoreOpen(true)}
+            className={`flex flex-1 flex-col items-center gap-0.5 py-2 text-[11px] font-medium ${
+              overflowActive ? "text-accent" : "text-text-faint"
+            }`}
+          >
+            <MoreHorizontal size={20} />
+            Ещё
+          </button>
+        )}
+      </nav>
+    </>
+  );
+}

src/app/(admin)/nav-data.ts

@@ -0,0 +1,25 @@
+import { LayoutDashboard, CalendarPlus, ListChecks, BarChart3, Building2, Users } from "lucide-react";
+
+export interface NavLink {
+  href: string;
+  label: string;
+  /** Shorter label for the mobile bottom-bar slot, where space is tight — falls back to `label` if unset. */
+  shortLabel?: string;
+  icon: typeof LayoutDashboard;
+  adminOnly: boolean;
+  exact: boolean;
+}
+
+// The first 4 are the mobile bottom bar's fixed slots (thumb-reachable,
+// matches exactly what a non-admin sees — no overflow for them at all);
+// admin-only extras live behind "Ещё" on mobile, same as elmi-portal.
+export const links: NavLink[] = [
+  { href: "/", label: "Дашборд", icon: LayoutDashboard, adminOnly: false, exact: true },
+  { href: "/bookings/new", label: "Новое бронирование", shortLabel: "Создать", icon: CalendarPlus, adminOnly: false, exact: true },
+  { href: "/bookings", label: "Бронирования", shortLabel: "Брони", icon: ListChecks, adminOnly: false, exact: false },
+  { href: "/statistics", label: "Статистика", icon: BarChart3, adminOnly: false, exact: false },
+  { href: "/settings/objects", label: "Объекты", icon: Building2, adminOnly: true, exact: false },
+  { href: "/settings/users", label: "Сотрудники", icon: Users, adminOnly: true, exact: false },
+];
+
+export const PRIMARY_COUNT = 4;

src/app/(admin)/nav-links.tsx

@@ -2,16 +2,7 @@
 
 import Link from "next/link";
 import { usePathname } from "next/navigation";
-import { LayoutDashboard, CalendarPlus, ListChecks, BarChart3, Building2, Users } from "lucide-react";
-
-const links = [
-  { href: "/", label: "Дашборд", icon: LayoutDashboard, adminOnly: false, exact: true },
-  { href: "/bookings/new", label: "Новое бронирование", icon: CalendarPlus, adminOnly: false, exact: true },
-  { href: "/bookings", label: "Бронирования", icon: ListChecks, adminOnly: false, exact: false },
-  { href: "/statistics", label: "Статистика", icon: BarChart3, adminOnly: false, exact: false },
-  { href: "/settings/objects", label: "Объекты", icon: Building2, adminOnly: true, exact: false },
-  { href: "/settings/users", label: "Сотрудники", icon: Users, adminOnly: true, exact: false },
-];
+import { links } from "./nav-data";
 
 export function NavLinks({ isAdmin }: { isAdmin: boolean }) {
   const pathname = usePathname();

src/app/(admin)/nav-shell.tsx

@@ -0,0 +1,14 @@
+import { NavLinks } from "./nav-links";
+import { MobileNav } from "./mobile-nav";
+
+/** Desktop top nav (>=lg) + the mobile bottom tab bar (<lg) — see mobile-nav.tsx, mirrors elmi-portal's pattern. */
+export function NavShell({ isAdmin }: { isAdmin: boolean }) {
+  return (
+    <>
+      <div className="hidden lg:flex">
+        <NavLinks isAdmin={isAdmin} />
+      </div>
+      <MobileNav isAdmin={isAdmin} />
+    </>
+  );
+}