feat: add sidebar collapse/expand, theme-toggle, theme-aware colors

web/src/components/app-shell.tsx

@@ -1,7 +1,7 @@
 "use client";
 
-import { useState, useEffect, Suspense } from "react";
+import { useState, useEffect, Suspense, createContext, useContext } from "react";
-import { usePathname, useRouter, useSearchParams } from "next/navigation";
+import { usePathname, useSearchParams } from "next/navigation";
 import Link from "next/link";
 import {
   LayoutGridIcon,
@@ -9,12 +9,21 @@ import {
   InboxIcon,
   ClockIcon,
   SettingsIcon,
+  PanelLeftCloseIcon,
+  PanelLeftIcon,
 } from "lucide-react";
 import { getTickets, getQueues } from "@/lib/api";
 import type { Queue } from "@/lib/types";
 import { CommandPalette } from "@/components/command-palette";
+import { ThemeToggle } from "@/components/theme-toggle";
 import { cn } from "@/lib/utils";
 
+const SidebarCollapsedContext = createContext(false);
+
+function useSidebarCollapsed() {
+  return useContext(SidebarCollapsedContext);
+}
+
 interface ViewCounts {
   all: number;
   my: number;
@@ -22,6 +31,46 @@ interface ViewCounts {
   recent: number;
 }
 
+function SidebarNavItem({
+  href,
+  icon: Icon,
+  label,
+  count,
+  active,
+}: {
+  href: string;
+  icon: React.ComponentType<{ className?: string }>;
+  label: string;
+  count?: number;
+  active: boolean;
+}) {
+  const collapsed = useSidebarCollapsed();
+
+  return (
+    <Link
+      href={href}
+      title={collapsed ? label : undefined}
+      className={cn(
+        "flex items-center px-2 py-1.5 rounded-md text-[13px] transition-all duration-150 mb-0.5",
+        collapsed ? "justify-center w-full" : "justify-between",
+        active
+          ? "bg-accent text-foreground font-medium"
+          : "text-muted-foreground hover:text-foreground hover:bg-accent font-normal"
+      )}
+    >
+      <span className={cn("flex items-center", collapsed ? "" : "gap-2.5")}>
+        <Icon className="w-4 h-4 flex-shrink-0" />
+        {!collapsed && label}
+      </span>
+      {!collapsed && count !== undefined && count > 0 && (
+        <span className="text-xs tabular-nums text-muted-foreground">
+          {count}
+        </span>
+      )}
+    </Link>
+  );
+}
+
 function SidebarNav() {
   const pathname = usePathname();
   const searchParams = useSearchParams();
@@ -64,6 +113,8 @@ function SidebarNav() {
     });
   }, []);
 
+  const collapsed = useSidebarCollapsed();
+
   const views = [
     {
       label: "All tickets",
@@ -101,64 +152,44 @@ function SidebarNav() {
     <>
       <div className="mb-4">
         {views.map((view) => {
-          const Icon = view.icon;
           const active =
             pathname === "/" &&
             (view.param ? currentView === view.param : !currentView);
           return (
-            <Link
+            <SidebarNavItem
               key={view.label}
               href={view.href}
-              className={cn(
+              icon={view.icon}
-                "flex items-center justify-between px-2 py-1.5 rounded-md text-[13px] transition-colors mb-0.5",
+              label={view.label}
-                active
+              count={view.count}
-                  ? "bg-[rgba(255,255,255,0.05)] text-[#f7f8f8] font-medium"
+              active={active}
-                  : "text-[#8a8f98] hover:text-[#d0d6e0] hover:bg-[rgba(255,255,255,0.03)] font-normal"
+            />
-              )}
-            >
-              <span className="flex items-center gap-2.5">
-                <Icon className="w-4 h-4 flex-shrink-0" />
-                {view.label}
-              </span>
-              {view.count > 0 && (
-                <span className="text-xs tabular-nums text-[#8a8f98]">
-                  {view.count}
-                </span>
-              )}
-            </Link>
           );
         })}
       </div>
 
       {queues.length > 0 && (
         <div>
-          <div className="px-2 py-1.5 text-[11px] font-semibold text-[#8a8f98] uppercase tracking-wider">
+          {!collapsed && (
+            <div className="px-2 py-1.5 text-[11px] font-semibold text-muted-foreground uppercase tracking-wider">
               Queues
             </div>
+          )}
           {queues.map((queue) => {
             const active =
               pathname === "/" && searchParams.get("queue") === queue.id;
+            const QueueIcon = () => (
+              <span className="w-2 h-2 rounded-full bg-muted-foreground flex-shrink-0" />
+            );
             return (
-              <Link
+              <SidebarNavItem
                 key={queue.id}
                 href={`/?queue=${queue.id}`}
-                className={cn(
+                icon={QueueIcon}
-                  "flex items-center justify-between px-2 py-1.5 rounded-md text-[13px] transition-colors",
+                label={queue.name}
-                  active
+                count={queue.count}
-                    ? "bg-[rgba(255,255,255,0.05)] text-[#f7f8f8] font-medium"
+                active={active}
-                    : "text-[#8a8f98] hover:text-[#d0d6e0] hover:bg-[rgba(255,255,255,0.03)] font-normal"
+              />
-                )}
-              >
-                <span className="flex items-center gap-2.5">
-                  <span className="w-2 h-2 rounded-full bg-[#8a8f98] flex-shrink-0" />
-                  {queue.name}
-                </span>
-                {queue.count > 0 && (
-                  <span className="text-xs tabular-nums text-[#8a8f98]">
-                    {queue.count}
-                  </span>
-                )}
-              </Link>
             );
           })}
         </div>
@@ -169,26 +200,36 @@ function SidebarNav() {
 
 function SidebarBottom() {
   const pathname = usePathname();
+  const collapsed = useSidebarCollapsed();
 
   return (
-    <div className="border-t border-[rgba(255,255,255,0.05)] p-2">
+    <div className="border-t border-border p-2">
-      <Link
+      <SidebarNavItem
         href="/admin"
+        icon={SettingsIcon}
+        label="Admin"
+        active={pathname === "/admin"}
+      />
+      <div
         className={cn(
-          "flex items-center gap-2.5 px-2 py-1.5 rounded-md text-[13px] transition-colors",
+          "flex items-center mt-0.5 px-2 py-1.5",
-          pathname === "/admin"
+          collapsed ? "justify-center" : "gap-2"
-            ? "bg-[rgba(255,255,255,0.05)] text-[#f7f8f8] font-medium"
-            : "text-[#8a8f98] hover:text-[#d0d6e0] hover:bg-[rgba(255,255,255,0.03)] font-normal"
         )}
+        title={collapsed ? "User" : undefined}
       >
-        <SettingsIcon className="w-4 h-4 flex-shrink-0" />
+        <div className="w-5 h-5 rounded-full bg-primary flex items-center justify-center flex-shrink-0">
-        Admin
+          <span className="text-primary-foreground text-[10px] font-semibold">
-      </Link>
+            U
-      <div className="flex items-center gap-2 px-2 py-1.5 mt-0.5">
+          </span>
-        <div className="w-5 h-5 rounded-full bg-[#5e6ad2] flex items-center justify-center flex-shrink-0">
-          <span className="text-[#f7f8f8] text-[10px] font-semibold">U</span>
         </div>
-        <span className="text-[13px] text-[#8a8f98] truncate">User</span>
+        {!collapsed && (
+          <span className="text-[13px] text-muted-foreground truncate">
+            User
+          </span>
+        )}
+      </div>
+      <div className={cn("flex", collapsed ? "justify-center mt-1" : "mt-1")}>
+        <ThemeToggle />
       </div>
     </div>
   );
@@ -196,6 +237,7 @@ function SidebarBottom() {
 
 export function AppShell({ children }: { children: React.ReactNode }) {
   const [commandOpen, setCommandOpen] = useState(false);
+  const [sidebarCollapsed, setSidebarCollapsed] = useState(false);
 
   useEffect(() => {
     const down = (e: KeyboardEvent) => {
@@ -216,20 +258,28 @@ export function AppShell({ children }: { children: React.ReactNode }) {
   }, []);
 
   return (
+    <SidebarCollapsedContext.Provider value={sidebarCollapsed}>
       <div className="flex h-screen overflow-hidden">
         {/* Sidebar */}
-      <aside className="w-60 flex-shrink-0 flex flex-col bg-[#0f1011] border-r border-[rgba(255,255,255,0.05)]">
+        <aside
+          className={cn(
+            "flex-shrink-0 flex flex-col bg-sidebar border-r border-border transition-all duration-150",
+            sidebarCollapsed ? "w-[60px]" : "w-60"
+          )}
+        >
           {/* Brand */}
-        <div className="h-11 flex items-center px-3 border-b border-[rgba(255,255,255,0.05)]">
+          <div className="h-11 flex items-center px-3 border-b border-border">
             <Link href="/" className="flex items-center gap-2">
-            <div className="w-5 h-5 rounded-md bg-[#5e6ad2] flex items-center justify-center">
+              <div className="w-5 h-5 rounded-md bg-primary flex items-center justify-center">
-              <span className="text-[#f7f8f8] text-[11px] font-semibold">
+                <span className="text-primary-foreground text-[11px] font-semibold">
                   T
                 </span>
               </div>
-            <span className="font-semibold text-[#f7f8f8] text-sm tracking-tight">
+              {!sidebarCollapsed && (
+                <span className="font-semibold text-foreground text-sm tracking-tight">
                   Tessera
                 </span>
+              )}
             </Link>
           </div>
 
@@ -241,7 +291,7 @@ export function AppShell({ children }: { children: React.ReactNode }) {
                   {Array.from({ length: 6 }).map((_, i) => (
                     <div
                       key={i}
-                    className="h-7 bg-[#191a1b] rounded-md animate-pulse"
+                      className="h-7 bg-muted rounded-md animate-pulse"
                     />
                   ))}
                 </div>
@@ -261,5 +311,20 @@ export function AppShell({ children }: { children: React.ReactNode }) {
         {/* Command Palette */}
         <CommandPalette open={commandOpen} onOpenChange={setCommandOpen} />
       </div>
+
+      {/* Collapse toggle */}
+      <button
+        onClick={() => setSidebarCollapsed(!sidebarCollapsed)}
+        className="fixed bottom-4 left-0 z-40 w-6 h-6 flex items-center justify-center rounded-r-md bg-sidebar border border-border border-l-0 text-muted-foreground hover:text-foreground transition-all duration-150"
+        style={{ left: sidebarCollapsed ? 60 : 240 }}
+        aria-label={sidebarCollapsed ? "Expand sidebar" : "Collapse sidebar"}
+      >
+        {sidebarCollapsed ? (
+          <PanelLeftIcon className="w-3.5 h-3.5" />
+        ) : (
+          <PanelLeftCloseIcon className="w-3.5 h-3.5" />
+        )}
+      </button>
+    </SidebarCollapsedContext.Provider>
   );
 }