feat: 新增租戶品牌客製化系統（Logo、主色系）、修正 hardcoded 顏色為 CSS 變數

app/Http/Controllers/Landlord/TenantController.php

@@ -92,6 +92,26 @@ class TenantController extends Controller
         ]);
     }
 
+    /**
+     * 顯示租戶樣式管理頁面
+     */
+    public function showBranding(Tenant $tenant)
+    {
+        $logoUrl = null;
+        if (isset($tenant->branding['logo_path'])) {
+            $logoUrl = \Storage::url($tenant->branding['logo_path']);
+        }
+
+        return Inertia::render('Landlord/Tenant/Branding', [
+            'tenant' => [
+                'id' => $tenant->id,
+                'name' => $tenant->name ?? $tenant->id,
+                'branding' => $tenant->branding ?? [],
+            ],
+            'logo_url' => $logoUrl,
+        ]);
+    }
+
     /**
      * 顯示編輯租戶表單
      */
@@ -171,4 +191,44 @@ class TenantController extends Controller
 
         return back()->with('success', "域名 {$domainName} 已移除！");
     }
+
+    /**
+     * 更新租戶品牌樣式設定
+     */
+    public function updateBranding(Request $request, Tenant $tenant)
+    {
+        $validated = $request->validate([
+            'logo' => 'nullable|image|max:2048',
+            'primary_color' => 'required|regex:/^#[0-9A-Fa-f]{6}$/',
+            'text_color' => 'nullable|regex:/^#[0-9A-Fa-f]{6}$/',
+        ]);
+
+        $branding = $tenant->branding ?? [];
+
+        // 處理 Logo 上傳
+        if ($request->hasFile('logo')) {
+            // 刪除舊 Logo
+            if (isset($branding['logo_path'])) {
+                \Storage::disk('public')->delete($branding['logo_path']);
+            }
+            
+            // 儲存新 Logo
+            $path = $request->file('logo')->store('tenant-logos', 'public');
+            $branding['logo_path'] = $path;
+        }
+
+        // 更新主色系
+        $branding['primary_color'] = $validated['primary_color'];
+        
+        // 如果有傳入字體顏色則更新，否則保留原值（或預設值）
+        if (isset($validated['text_color'])) {
+            $branding['text_color'] = $validated['text_color'];
+        } elseif (!isset($branding['text_color'])) {
+            $branding['text_color'] = '#1a1a1a';
+        }
+
+        $tenant->update(['branding' => $branding]);
+
+        return redirect()->back()->with('success', '樣式設定已更新');
+    }
 }

app/Http/Middleware/HandleInertiaRequests.php

@@ -55,6 +55,23 @@ class HandleInertiaRequests extends Middleware
                 'success' => $request->session()->get('success'),
                 'error' => $request->session()->get('error'),
             ],
+            'branding' => function () {
+                $tenant = tenancy()->tenant;
+                if (!$tenant) {
+                    return null;
+                }
+
+                $logoUrl = null;
+                if (isset($tenant->branding['logo_path'])) {
+                    $logoUrl = \Storage::url($tenant->branding['logo_path']);
+                }
+
+                return [
+                    'logo_url' => $logoUrl,
+                    'primary_color' => $tenant->branding['primary_color'] ?? '#01ab83',
+                    'text_color' => $tenant->branding['text_color'] ?? '#1a1a1a',
+                ];
+            },
         ];
     }
 }

resources/js/Components/ApplicationLogo.tsx

@@ -1,6 +1,22 @@
 import { ImgHTMLAttributes } from 'react';
+import { usePage } from '@inertiajs/react';
+import { PageProps } from '@/types/global';
 
 export default function ApplicationLogo(props: ImgHTMLAttributes<HTMLImageElement>) {
+    const { branding } = usePage<PageProps>().props;
+
+    // 如果有自訂 Logo，優先使用
+    if (branding?.logo_url) {
+        return (
+            <img
+                {...props}
+                src={branding.logo_url}
+                alt="Logo"
+            />
+        );
+    }
+
+    // 預設 Logo
     return (
         <img
             {...props}

resources/js/Components/shared/BreadcrumbNav.tsx

@@ -39,7 +39,7 @@ const BreadcrumbNav = ({ items, className }: BreadcrumbNavProps) => {
                                 <BreadcrumbLink asChild>
                                     <Link
                                         href={item.href}
-                                        className="text-[#01ab83] hover:text-[#018a6a] font-medium transition-colors"
+                                        className="text-primary-main hover:text-primary-dark font-medium transition-colors"
                                     >
                                         {item.label}
                                     </Link>

resources/js/Layouts/AuthenticatedLayout.tsx

@@ -20,7 +20,7 @@ import {
 } from "lucide-react";
 import { toast, Toaster } from "sonner";
 import { useState, useEffect, useMemo } from "react";
-import { Link, usePage } from "@inertiajs/react";
+import { Link, usePage, Head } from "@inertiajs/react";
 import { cn } from "@/lib/utils";
 import BreadcrumbNav, { BreadcrumbItemType } from "@/Components/shared/BreadcrumbNav";
 import {
@@ -33,6 +33,7 @@ import {
 } from "@/Components/ui/dropdown-menu";
 import { usePermission } from "@/hooks/usePermission";
 import ApplicationLogo from "@/Components/ApplicationLogo";
+import { generateLightestColor, generateLightColor, generateDarkColor, generateActiveColor } from "@/utils/colorUtils";
 
 interface MenuItem {
     id: string;
@@ -328,6 +329,18 @@ export default function AuthenticatedLayout({
 
     return (
         <div className="flex min-h-screen bg-slate-50">
+            <Head>
+                <link rel="icon" type="image/png" href="/favicon.png" />
+                <style>{`
+                    :root {
+                        --primary-main: ${(props as any).branding?.primary_color || '#01ab83'};
+                        --primary-dark: ${generateDarkColor((props as any).branding?.primary_color || '#01ab83')};
+                        --primary-light: ${generateLightColor((props as any).branding?.primary_color || '#01ab83')};
+                        --primary-lightest: ${generateLightestColor((props as any).branding?.primary_color || '#01ab83')};
+                        --button-main-active: ${generateActiveColor((props as any).branding?.primary_color || '#01ab83')};
+                    }
+                `}</style>
+            </Head>
             {/* Mobile Header -> Global Header */}
             <header className="fixed top-0 left-0 right-0 h-16 bg-white border-b border-slate-200 z-[60] flex items-center justify-between px-4 transition-all duration-300">
                 <div className="flex items-center gap-2">
@@ -395,7 +408,7 @@ export default function AuthenticatedLayout({
                     {!isCollapsed && (
                         <Link href="/" className="flex items-center gap-2 group">
                             <ApplicationLogo className="w-8 h-8 rounded-lg object-contain group-hover:scale-110 transition-transform" />
-                            <span className="font-extrabold text-[#01ab83] text-lg tracking-tight">小小冰室 ERP</span>
+                            <span className="font-extrabold text-primary-main text-lg tracking-tight">小小冰室 ERP</span>
                         </Link>
                     )}
                     {isCollapsed && (
@@ -444,7 +457,7 @@ export default function AuthenticatedLayout({
                 <div className="h-16 flex items-center justify-between px-6 border-b border-slate-100">
                     <Link href="/" className="flex items-center gap-2">
                         <ApplicationLogo className="w-8 h-8 rounded-lg object-contain" />
-                        <span className="font-extrabold text-[#01ab83] text-lg">小小冰室 ERP</span>
+                        <span className="font-extrabold text-primary-main text-lg">小小冰室 ERP</span>
                     </Link>
                     <button onClick={() => setIsMobileOpen(false)} className="p-2 text-slate-400">
                         <X className="h-5 w-5" />

resources/js/Layouts/LandlordLayout.tsx

@@ -1,4 +1,4 @@
-import { Link, usePage } from "@inertiajs/react";
+import { Link, usePage, Head } from "@inertiajs/react";
 import { cn } from "@/lib/utils";
 import {
     Building2,
@@ -8,6 +8,8 @@ import {
     Menu,
     X,
     Settings,
+    PanelLeftClose,
+    PanelLeftOpen,
 } from "lucide-react";
 import { Toaster } from "sonner";
 import {
@@ -18,7 +20,7 @@ import {
     DropdownMenuSeparator,
     DropdownMenuTrigger,
 } from "@/Components/ui/dropdown-menu";
-import { useState } from "react";
+import { useState, useEffect } from "react";
 
 interface LandlordLayoutProps {
     children: React.ReactNode;
@@ -46,9 +48,24 @@ export default function LandlordLayout({ children, title }: LandlordLayoutProps)
     ];
 
     const [isSidebarOpen, setIsSidebarOpen] = useState(false);
+    const [isCollapsed, setIsCollapsed] = useState(() => {
+        if (typeof window !== "undefined") {
+            return localStorage.getItem("landlord-sidebar-collapsed") === "true";
+        }
+        return false;
+    });
+
+    useEffect(() => {
+        localStorage.setItem("landlord-sidebar-collapsed", String(isCollapsed));
+    }, [isCollapsed]);
 
     return (
         <div className="flex min-h-screen bg-slate-50 relative">
+            <Head>
+                <link rel="icon" type="image/png" href="/favicon-landlord.png" />
+                <link rel="shortcut icon" href="/favicon-landlord.png" type="image/png" />
+                <link rel="apple-touch-icon" href="/favicon-landlord.png" />
+            </Head>
             {/* Sidebar Overlay for mobile */}
             {isSidebarOpen && (
                 <div
@@ -59,46 +76,75 @@ export default function LandlordLayout({ children, title }: LandlordLayoutProps)
 
             {/* Sidebar */}
             <aside className={cn(
-                "fixed left-0 top-0 bottom-0 w-64 bg-slate-900 text-white flex flex-col z-50 transition-transform duration-300 lg:translate-x-0",
-                isSidebarOpen ? "translate-x-0" : "-translate-x-full"
+                "fixed left-0 top-0 bottom-0 bg-slate-900 text-white flex flex-col z-50 transition-all duration-300 ease-in-out lg:translate-x-0",
+                isSidebarOpen ? "translate-x-0" : "-translate-x-full",
+                isCollapsed ? "lg:w-20" : "lg:w-64"
+            )}>
+                <div className={cn(
+                    "h-16 flex items-center border-b border-slate-800 transition-all",
+                    isCollapsed ? "justify-center px-0" : "justify-between px-6"
                 )}>
-                <div className="h-16 flex items-center justify-between px-6 border-b border-slate-800">
                     <Link href="/landlord" className="flex items-center gap-2">
-                        <div className="w-8 h-8 bg-primary-main rounded-lg flex items-center justify-center">
+                        <div className="w-8 h-8 bg-primary-main rounded-lg flex items-center justify-center shrink-0">
                             <Building2 className="w-5 h-5 text-white" />
                         </div>
-                        <span className="font-bold text-lg">中央後台</span>
+                        {!isCollapsed && <span className="font-bold text-lg whitespace-nowrap">中央後台</span>}
                     </Link>
+                    {!isCollapsed && (
                         <button
                             className="lg:hidden text-slate-400 hover:text-white"
                             onClick={() => setIsSidebarOpen(false)}
                         >
                             <X className="w-6 h-6" />
                         </button>
+                    )}
                 </div>
 
-                <nav className="flex-1 p-4 space-y-1 overflow-y-auto">
+                <nav className="flex-1 p-3 space-y-1 overflow-y-auto overflow-x-hidden">
                     {menuItems.map((item) => (
                         <Link
                             key={item.href}
                             href={item.href}
                             onClick={() => setIsSidebarOpen(false)}
+                            title={isCollapsed ? item.label : ""}
                             className={cn(
-                                "flex items-center gap-3 px-3 py-2.5 rounded-lg transition-colors",
+                                "flex items-center rounded-lg transition-all",
+                                isCollapsed ? "justify-center px-0 h-10 w-10 mx-auto" : "gap-3 px-3 py-2.5",
                                 item.active
                                     ? "bg-primary-main text-white"
                                     : "text-slate-400 hover:bg-slate-800 hover:text-white"
                             )}
                         >
-                            <item.icon className="w-5 h-5" />
-                            <span className="font-medium">{item.label}</span>
+                            <item.icon className="w-5 h-5 shrink-0" />
+                            {!isCollapsed && <span className="font-medium whitespace-nowrap">{item.label}</span>}
                         </Link>
                     ))}
                 </nav>
+
+                <div className="p-4 border-t border-slate-800 hidden lg:block">
+                    <button
+                        onClick={() => setIsCollapsed(!isCollapsed)}
+                        className={cn(
+                            "w-full flex items-center transition-colors text-slate-400 hover:text-white hover:bg-slate-800 rounded-lg p-2",
+                            isCollapsed ? "justify-center" : "gap-3"
+                        )}
+                        title={isCollapsed ? "展開側邊欄" : "收合側邊欄"}
+                    >
+                        {isCollapsed ? <PanelLeftOpen className="w-5 h-5" /> : (
+                            <>
+                                <PanelLeftClose className="w-5 h-5" />
+                                <span className="text-sm font-medium">收合側邊欄</span>
+                            </>
+                        )}
+                    </button>
+                </div>
             </aside>
 
             {/* Main Content */}
-            <main className="flex-1 lg:ml-64 w-full">
+            <main className={cn(
+                "flex-1 flex flex-col transition-all duration-300 min-h-screen",
+                isCollapsed ? "lg:ml-20" : "lg:ml-64"
+            )}>
                 {/* Header */}
                 <header className="h-16 bg-white border-b border-slate-200 flex items-center justify-between px-4 lg:px-6">
                     <div className="flex items-center gap-4">

resources/js/Pages/Admin/Role/Create.tsx

@@ -107,7 +107,7 @@ export default function RoleCreate({ groupedPermissions }: Props) {
                         <div className="flex items-center justify-between">
                             <div>
                                 <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                                    <Shield className="h-6 w-6 text-[#01ab83]" />
+                                    <Shield className="h-6 w-6 text-primary-main" />
                                     建立新角色
                                 </h1>
                                 <p className="text-gray-500 mt-1">
@@ -179,7 +179,7 @@ export default function RoleCreate({ groupedPermissions }: Props) {
                                                 variant="ghost"
                                                 size="sm"
                                                 onClick={() => toggleGroup(group.permissions)}
-                                                className="text-xs h-7 text-[#01ab83] hover:text-[#01ab83] hover:bg-[#01ab83]/10"
+                                                className="text-xs h-7 text-primary-main hover:text-primary-main hover:bg-primary-main/10"
                                             >
                                                 {allGroupSelected ? '取消全選' : '全選'}
                                             </Button>

resources/js/Pages/Admin/Role/Edit.tsx

@@ -114,7 +114,7 @@ export default function RoleEdit({ role, groupedPermissions, currentPermissions
                         <div className="flex items-center justify-between">
                             <div>
                                 <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                                    <Shield className="h-6 w-6 text-[#01ab83]" />
+                                    <Shield className="h-6 w-6 text-primary-main" />
                                     編輯角色
                                 </h1>
                                 <p className="text-gray-500 mt-1">
@@ -193,7 +193,7 @@ export default function RoleEdit({ role, groupedPermissions, currentPermissions
                                                 variant="ghost"
                                                 size="sm"
                                                 onClick={() => toggleGroup(group.permissions)}
-                                                className="text-xs h-7 text-[#01ab83] hover:text-[#01ab83] hover:bg-[#01ab83]/10"
+                                                className="text-xs h-7 text-primary-main hover:text-primary-main hover:bg-primary-main/10"
                                             >
                                                 {allGroupSelected ? '取消全選' : '全選'}
                                             </Button>

resources/js/Pages/Admin/Role/Index.tsx

@@ -68,7 +68,7 @@ export default function RoleIndex({ roles }: Props) {
                 <div className="flex items-center justify-between mb-6">
                     <div>
                         <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                            <Shield className="h-6 w-6 text-[#01ab83]" />
+                            <Shield className="h-6 w-6 text-primary-main" />
                             角色與權限
                         </h1>
                         <p className="text-gray-500 mt-1">
@@ -123,7 +123,7 @@ export default function RoleIndex({ roles }: Props) {
                                             className={cn(
                                                 "flex items-center justify-center gap-1 w-full h-full py-2 rounded-md transition-colors",
                                                 role.users_count > 0
-                                                    ? "text-[#01ab83] hover:bg-[#01ab83]/10 font-bold"
+                                                    ? "text-primary-main hover:bg-primary-main/10 font-bold"
                                                     : "text-gray-400 cursor-default"
                                             )}
                                             title={role.users_count > 0 ? "點擊查看成員名單" : ""}
@@ -177,7 +177,7 @@ export default function RoleIndex({ roles }: Props) {
                 <DialogContent className="sm:max-w-md">
                     <DialogHeader>
                         <DialogTitle className="flex items-center gap-2">
-                            <Users className="h-5 w-5 text-[#01ab83]" />
+                            <Users className="h-5 w-5 text-primary-main" />
                             {selectedRole?.display_name} - 成員名單
                         </DialogTitle>
                         <DialogDescription>
@@ -204,7 +204,7 @@ export default function RoleIndex({ roles }: Props) {
                                         </div>
                                         <Link
                                             href={route('users.edit', user.id)}
-                                            className="text-xs text-[#01ab83] hover:underline font-medium"
+                                            className="text-xs text-primary-main hover:underline font-medium"
                                         >
                                             查看帳號
                                         </Link>

resources/js/Pages/Admin/User/Create.tsx

@@ -55,7 +55,7 @@ export default function UserCreate({ roles }: Props) {
                         <div className="flex items-center justify-between">
                             <div>
                                 <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                                    <Users className="h-6 w-6 text-[#01ab83]" />
+                                    <Users className="h-6 w-6 text-primary-main" />
                                     新增使用者
                                 </h1>
                                 <p className="text-gray-500 mt-1">

resources/js/Pages/Admin/User/Edit.tsx

@@ -69,7 +69,7 @@ export default function UserEdit({ user, roles, currentRoles }: Props) {
                         <div className="flex items-center justify-between">
                             <div>
                                 <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                                    <Users className="h-6 w-6 text-[#01ab83]" />
+                                    <Users className="h-6 w-6 text-primary-main" />
                                     編輯使用者
                                 </h1>
                                 <p className="text-gray-500 mt-1">

resources/js/Pages/Admin/User/Index.tsx

@@ -86,7 +86,7 @@ export default function UserIndex({ users, filters }: Props) {
                 <div className="flex items-center justify-between mb-6">
                     <div>
                         <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                            <Users className="h-6 w-6 text-[#01ab83]" />
+                            <Users className="h-6 w-6 text-primary-main" />
                             使用者管理
                         </h1>
                         <p className="text-gray-500 mt-1">

resources/js/Pages/Auth/Login.tsx

@@ -40,7 +40,9 @@ export default function Login() {
 
     return (
         <div className="min-h-screen flex items-center justify-center bg-gray-50 relative overflow-hidden">
-            <Head title="登入" />
+            <Head title="登入">
+                <link rel="icon" type="image/png" href="/favicon.png" />
+            </Head>
 
             {/* 動態背景裝飾 */}
             <div className="absolute top-0 -left-4 w-72 h-72 bg-purple-300 rounded-full mix-blend-multiply filter blur-xl opacity-70 animate-blob"></div>
@@ -91,7 +93,7 @@ export default function Login() {
                                     />
                                     <div className={cn(
                                         "w-9 h-5 rounded-full shadow-inner transition-colors duration-300 ease-in-out",
-                                        data.rememberUsername ? "bg-[#01ab83]" : "bg-gray-300"
+                                        data.rememberUsername ? "bg-primary-main" : "bg-gray-300"
                                     )}></div>
                                     <div className={cn(
                                         "absolute left-0.5 top-0.5 w-4 h-4 bg-white rounded-full shadow transition-transform duration-300 ease-in-out",
@@ -112,7 +114,7 @@ export default function Login() {
                                     />
                                     <div className={cn(
                                         "w-9 h-5 rounded-full shadow-inner transition-colors duration-300 ease-in-out",
-                                        data.remember ? "bg-[#01ab83]" : "bg-gray-300"
+                                        data.remember ? "bg-primary-main" : "bg-gray-300"
                                     )}></div>
                                     <div className={cn(
                                         "absolute left-0.5 top-0.5 w-4 h-4 bg-white rounded-full shadow transition-transform duration-300 ease-in-out",
@@ -123,7 +125,7 @@ export default function Login() {
                         </div>
 
                         <Button
-                            className="w-full h-11 text-base bg-[#01ab83] hover:bg-[#018a6a] transition-all shadow-lg hover:shadow-xl"
+                            className="w-full h-11 text-base bg-primary-main hover:bg-primary-dark transition-all shadow-lg hover:shadow-xl"
                             disabled={processing}
                         >
                             {processing ? "登入中..." : "登入系統"}

resources/js/Pages/Dashboard.tsx

@@ -31,9 +31,9 @@ export default function Dashboard({ stats }: Props) {
         {
             label: '商品總數',
             value: stats.productsCount,
-            icon: <Package className="h-6 w-6 text-[#01ab83]" />,
+            icon: <Package className="h-6 w-6 text-primary-main" />,
             description: '目前系統中的商品種類',
-            color: 'bg-[#01ab83]/10',
+            color: 'bg-primary-main/10',
         },
         {
             label: '合作廠商',
@@ -80,7 +80,7 @@ export default function Dashboard({ stats }: Props) {
             <div className="p-8 max-w-7xl mx-auto">
                 <div className="mb-8">
                     <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                        <TrendingUp className="h-6 w-6 text-[#01ab83]" />
+                        <TrendingUp className="h-6 w-6 text-primary-main" />
                         系統總覽
                     </h1>
                     <p className="text-gray-500 mt-1">歡迎回來，這是您的小小冰室 ERP 營運數據概況。</p>
@@ -113,7 +113,7 @@ export default function Dashboard({ stats }: Props) {
                     {/* 警示與通知 */}
                     <div className="lg:col-span-1 space-y-6">
                         <h2 className="text-xl font-bold text-grey-0 flex items-center gap-2">
-                            <TrendingUp className="h-5 w-5 text-[#01ab83]" />
+                            <TrendingUp className="h-5 w-5 text-primary-main" />
                             即時動態
                         </h2>
                         <div className="bg-white rounded-2xl border border-grey-4 shadow-sm divide-y divide-grey-4">
@@ -159,12 +159,12 @@ export default function Dashboard({ stats }: Props) {
                         <h2 className="text-xl font-bold text-grey-0">快速操作</h2>
                         <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
                             <Link href="/products" className="group h-full">
-                                <div className="bg-white p-6 rounded-2xl border border-grey-4 shadow-sm hover:border-[#01ab83] transition-all h-full flex flex-col justify-between">
+                                <div className="bg-white p-6 rounded-2xl border border-grey-4 shadow-sm hover:border-primary-main transition-all h-full flex flex-col justify-between">
                                     <div>
-                                        <h3 className="font-bold text-grey-0 mb-1 group-hover:text-[#01ab83]">商品管理</h3>
+                                        <h3 className="font-bold text-grey-0 mb-1 group-hover:text-primary-main">商品管理</h3>
                                         <p className="text-sm text-grey-2">查看並編輯所有商品資料與單位換算。</p>
                                     </div>
-                                    <div className="mt-4 flex items-center text-xs font-bold text-[#01ab83] group-hover:gap-2 transition-all">
+                                    <div className="mt-4 flex items-center text-xs font-bold text-primary-main group-hover:gap-2 transition-all">
                                         即刻前往 <ChevronRight className="h-3 w-3" />
                                     </div>
                                 </div>

resources/js/Pages/Landlord/Auth/Login.tsx

@@ -27,17 +27,20 @@ export default function LandlordLogin() {
 
     return (
         <div className="min-h-screen flex items-center justify-center bg-slate-900 relative overflow-hidden">
-            <Head title="總後台登入" />
+            <Head title="總後台登入">
+                <link rel="icon" type="image/png" href="/favicon-landlord.png" />
+                <link rel="shortcut icon" href="/favicon-landlord.png" type="image/png" />
+                <link rel="apple-touch-icon" href="/favicon-landlord.png" />
+            </Head>
 
             {/* 深色背景裝飾 */}
             <div className="absolute top-0 -left-4 w-96 h-96 bg-indigo-900/30 rounded-full mix-blend-screen filter blur-3xl opacity-50 animate-blob"></div>
             <div className="absolute bottom-0 -right-4 w-96 h-96 bg-blue-900/30 rounded-full mix-blend-screen filter blur-3xl opacity-50 animate-blob animation-delay-2000"></div>
 
             <div className="w-full max-w-md p-8 relative z-10">
-                <div className="flex flex-col items-center mb-8">
-                    {/* 使用不同風格的 Logo 或純文字 */}
-                    <div className="text-white text-3xl font-bold tracking-wider mb-2">Star ERP</div>
-                    <div className="text-slate-400 text-sm tracking-widest uppercase">中央管理系統</div>
+                <div className="flex flex-col items-center mb-12">
+                    <div className="text-white text-5xl font-bold tracking-wider mb-3">Star ERP</div>
+                    <div className="text-slate-400 text-sm tracking-widest uppercase font-semibold">中央管理系統</div>
                 </div>
 
                 <div className="glass-panel p-8 rounded-xl shadow-2xl bg-slate-800/50 backdrop-blur-md border border-slate-700/50">

resources/js/Pages/Landlord/Tenant/Branding.tsx

@@ -0,0 +1,196 @@
+import LandlordLayout from "@/Layouts/LandlordLayout";
+import { Link, useForm } from "@inertiajs/react";
+import { Button } from "@/Components/ui/button";
+import { Input } from "@/Components/ui/input";
+import { Label } from "@/Components/ui/label";
+import { Card } from "@/Components/ui/card";
+import { ArrowLeft, LayoutDashboard } from "lucide-react";
+import { FormEventHandler, useState } from "react";
+import { toast } from "sonner";
+import { generateLightestColor } from "@/utils/colorUtils";
+
+interface Tenant {
+    id: string;
+    name: string;
+    branding?: {
+        logo_path?: string;
+        primary_color?: string;
+        text_color?: string;
+    };
+}
+
+interface BrandingProps {
+    tenant: Tenant;
+    logo_url?: string;
+}
+
+export default function Branding({ tenant, logo_url }: BrandingProps) {
+    const { data, setData, post, processing, errors } = useForm({
+        logo: null as File | null,
+        primary_color: tenant.branding?.primary_color || '#01ab83',
+    });
+
+    const [logoPreview, setLogoPreview] = useState<string | null>(logo_url || null);
+
+    const handleLogoChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+        const file = e.target.files?.[0];
+        if (file) {
+            setData('logo', file);
+            const reader = new FileReader();
+            reader.onloadend = () => {
+                setLogoPreview(reader.result as string);
+            };
+            reader.readAsDataURL(file);
+        }
+    };
+
+    const submit: FormEventHandler = (e) => {
+        e.preventDefault();
+        post(route('landlord.tenants.branding.update', tenant.id), {
+            onSuccess: () => {
+                toast.success('樣式設定已更新');
+            },
+            onError: () => {
+                toast.error('更新失敗，請檢查輸入');
+            },
+        });
+    };
+
+    return (
+        <LandlordLayout title="客戶樣式管理">
+            <div className="space-y-6 p-6">
+                {/* Header */}
+                <div className="flex items-center justify-between">
+                    <div className="flex items-center gap-4">
+                        <Link href={route('landlord.tenants.show', tenant.id)}>
+                            <Button variant="outline" size="sm">
+                                <ArrowLeft className="w-4 h-4 mr-2" />
+                                返回
+                            </Button>
+                        </Link>
+                        <div>
+                            <h2 className="text-2xl font-bold text-slate-900">
+                                客戶樣式管理
+                            </h2>
+                            <p className="text-sm text-slate-500 mt-1">
+                                {tenant.name}
+                            </p>
+                        </div>
+                    </div>
+                </div>
+
+                {/* Branding Form */}
+                <Card className="p-6">
+                    <form onSubmit={submit} className="space-y-6">
+                        {/* Logo Upload */}
+                        <div>
+                            <Label htmlFor="logo" className="text-base font-semibold">
+                                客戶 Logo
+                            </Label>
+                            <p className="text-sm text-slate-500 mb-3">
+                                上傳客戶專屬 Logo，建議尺寸 200×200 px，最大 2MB
+                            </p>
+                            <Input
+                                id="logo"
+                                type="file"
+                                accept="image/*"
+                                onChange={handleLogoChange}
+                                className="cursor-pointer"
+                            />
+                            {errors.logo && (
+                                <p className="text-sm text-red-600 mt-1">{errors.logo}</p>
+                            )}
+                            {logoPreview && (
+                                <div className="mt-4 p-4 bg-slate-50 rounded-lg border border-slate-200">
+                                    <p className="text-sm text-slate-600 mb-2">預覽：</p>
+                                    <img
+                                        src={logoPreview}
+                                        alt="Logo Preview"
+                                        className="h-20 w-20 object-contain rounded-lg border border-slate-300"
+                                    />
+                                </div>
+                            )}
+                        </div>
+
+                        {/* Primary Color */}
+                        <div>
+                            <Label htmlFor="primary_color" className="text-base font-semibold">
+                                主色系
+                            </Label>
+                            <p className="text-sm text-slate-500 mb-3">
+                                設定客戶後台的主要品牌色（按鈕、連結等）
+                            </p>
+                            <div className="flex items-center gap-3">
+                                <Input
+                                    id="primary_color"
+                                    type="color"
+                                    value={data.primary_color}
+                                    onChange={(e) => setData('primary_color', e.target.value)}
+                                    className="w-16 h-10 cursor-pointer"
+                                />
+                                <Input
+                                    type="text"
+                                    value={data.primary_color}
+                                    onChange={(e) => setData('primary_color', e.target.value)}
+                                    pattern="^#[0-9A-Fa-f]{6}$"
+                                    className="w-32"
+                                    placeholder="#01ab83"
+                                />
+                            </div>
+                            {errors.primary_color && (
+                                <p className="text-sm text-red-600 mt-1">{errors.primary_color}</p>
+                            )}
+                            {/* Preview */}
+                            <div className="mt-4 p-4 bg-slate-50 rounded-lg border border-slate-200">
+                                <p className="text-sm text-slate-600 mb-3">預覽效果：</p>
+                                <div className="flex flex-wrap gap-4">
+                                    {/* 按鈕預覽 */}
+                                    <div>
+                                        <p className="text-xs text-slate-500 mb-2">按鈕</p>
+                                        <Button
+                                            type="button"
+                                            style={{ backgroundColor: data.primary_color }}
+                                            className="text-white"
+                                        >
+                                            預覽按鈕
+                                        </Button>
+                                    </div>
+                                    {/* 側邊欄選中狀態預覽 */}
+                                    <div>
+                                        <p className="text-xs text-slate-500 mb-2">側邊欄選中狀態</p>
+                                        <div
+                                            className="flex items-center gap-2 px-3 py-2 rounded-lg"
+                                            style={{
+                                                backgroundColor: generateLightestColor(data.primary_color),
+                                                color: data.primary_color
+                                            }}
+                                        >
+                                            <LayoutDashboard className="w-5 h-5" />
+                                            <span className="font-medium">儀表板</span>
+                                        </div>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+
+                        {/* Submit Button */}
+                        <div className="flex justify-end gap-3 pt-4 border-t">
+                            <Link href={route('landlord.tenants.show', tenant.id)}>
+                                <Button type="button" variant="outline">
+                                    取消
+                                </Button>
+                            </Link>
+                            <Button
+                                type="submit"
+                                disabled={processing}
+                                className="bg-primary-main hover:bg-primary-dark"
+                            >
+                                {processing ? '儲存中...' : '儲存樣式設定'}
+                            </Button>
+                        </div>
+                    </form>
+                </Card>
+            </div>
+        </LandlordLayout>
+    );
+}

resources/js/Pages/Landlord/Tenant/Show.tsx

@@ -64,6 +64,13 @@ export default function TenantShow({ tenant }: Props) {
                         <h1 className="text-2xl font-bold text-slate-900">{tenant.name}</h1>
                         <p className="text-slate-500 mt-1">客戶 ID: {tenant.id}</p>
                     </div>
+                    <div className="flex gap-2">
+                        <Link
+                            href={`/landlord/tenants/${tenant.id}/branding`}
+                            className="bg-primary-main hover:bg-primary-dark text-white px-4 py-2 rounded-lg transition-colors"
+                        >
+                            樣式管理
+                        </Link>
                         <Link
                             href={`/landlord/tenants/${tenant.id}/edit`}
                             className="bg-slate-100 hover:bg-slate-200 text-slate-700 px-4 py-2 rounded-lg transition-colors"
@@ -71,6 +78,7 @@ export default function TenantShow({ tenant }: Props) {
                             編輯
                         </Link>
                     </div>
+                </div>
 
                 {/* Info Card */}
                 <div className="bg-white rounded-xl border border-slate-200 p-6">

resources/js/Pages/Product/Index.tsx

@@ -178,7 +178,7 @@ export default function ProductManagement({ products, categories, units, filters
         {/* Header */}
         <div className="mb-6">
           <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-            <Package className="h-6 w-6 text-[#01ab83]" />
+            <Package className="h-6 w-6 text-primary-main" />
             商品資料管理
           </h1>
           <p className="text-gray-500 mt-1">管理小小冰室原物料與成品資料</p>

resources/js/Pages/PurchaseOrder/Create.tsx

@@ -174,7 +174,7 @@ export default function CreatePurchaseOrder({
 
                     <div className="mb-6">
                         <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                            <ShoppingCart className="h-6 w-6 text-[#01ab83]" />
+                            <ShoppingCart className="h-6 w-6 text-primary-main" />
                             {order ? "編輯採購單" : "建立採購單"}
                         </h1>
                         <p className="text-gray-500 mt-1">

resources/js/Pages/PurchaseOrder/Index.tsx

@@ -109,7 +109,7 @@ export default function PurchaseOrderIndex({ orders, filters, warehouses }: Prop
                 <div className="flex items-center justify-between mb-6">
                     <div>
                         <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                            <ShoppingCart className="h-6 w-6 text-[#01ab83]" />
+                            <ShoppingCart className="h-6 w-6 text-primary-main" />
                             採購單管理
                         </h1>
                         <p className="text-gray-500 mt-1">

resources/js/Pages/PurchaseOrder/Show.tsx

@@ -38,7 +38,7 @@ export default function ViewPurchaseOrderPage({ order }: Props) {
                     <div className="flex items-center justify-between mb-6">
                         <div>
                             <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                                <ShoppingCart className="h-6 w-6 text-[#01ab83]" />
+                                <ShoppingCart className="h-6 w-6 text-primary-main" />
                                 查看採購單
                             </h1>
                             <p className="text-gray-500 mt-1">單號：{order.poNumber}</p>

resources/js/Pages/Vendor/Index.tsx

@@ -146,7 +146,7 @@ export default function VendorManagement({ vendors, filters }: PageProps) {
                 {/* Header */}
                 <div className="mb-6">
                     <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                        <Contact2 className="h-6 w-6 text-[#01ab83]" />
+                        <Contact2 className="h-6 w-6 text-primary-main" />
                         廠商資料管理
                     </h1>
                     <p className="text-gray-500 mt-1">管理 ERP 系統供應商與聯絡資訊</p>

resources/js/Pages/Vendor/Show.tsx

@@ -143,7 +143,7 @@ export default function VendorShow({ vendor, products }: ShowProps) {
                     <div className="flex items-center justify-between">
                         <div>
                             <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                                <Contact2 className="h-6 w-6 text-[#01ab83]" />
+                                <Contact2 className="h-6 w-6 text-primary-main" />
                                 廠商詳細資訊
                             </h1>
                             <p className="text-gray-500 mt-1">查看並管理供應商的詳細資料與供貨商品</p>

resources/js/Pages/Warehouse/AddInventory.tsx

@@ -184,7 +184,7 @@ export default function AddInventoryPage({ warehouse, products }: Props) {
                     <div className="flex items-center justify-between">
                         <div>
                             <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                                <Boxes className="h-6 w-6 text-[#01ab83]" />
+                                <Boxes className="h-6 w-6 text-primary-main" />
                                 新增庫存（手動入庫）
                             </h1>
                             <p className="text-gray-500 mt-1">

resources/js/Pages/Warehouse/EditInventory.tsx

@@ -91,7 +91,7 @@ export default function EditInventory({ warehouse, inventory, transactions = []
                     <div className="flex items-center justify-between">
                         <div>
                             <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                                <Boxes className="h-6 w-6 text-[#01ab83]" />
+                                <Boxes className="h-6 w-6 text-primary-main" />
                                 編輯庫存品項
                             </h1>
                             <p className="text-gray-500 mt-1">

resources/js/Pages/Warehouse/Index.tsx

@@ -111,7 +111,7 @@ export default function WarehouseIndex({ warehouses, filters }: PageProps) {
                 {/* 頁面標題 */}
                 <div className="mb-6">
                     <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                        <WarehouseIcon className="h-6 w-6 text-[#01ab83]" />
+                        <WarehouseIcon className="h-6 w-6 text-primary-main" />
                         倉庫管理
                     </h1>
                     <p className="text-gray-500 mt-1">

resources/js/Pages/Warehouse/Inventory.tsx

@@ -109,7 +109,7 @@ export default function WarehouseInventoryPage({
                     <div className="flex items-center justify-between">
                         <div>
                             <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                                <Boxes className="h-6 w-6 text-[#01ab83]" />
+                                <Boxes className="h-6 w-6 text-primary-main" />
                                 庫存管理 - {warehouse.name}
                             </h1>
                             <p className="text-gray-500 mt-1">查看並管理此倉庫內的商品庫存數量與批號資訊</p>

resources/js/Pages/Warehouse/InventoryHistory.tsx

@@ -37,7 +37,7 @@ export default function InventoryHistory({ warehouse, inventory, transactions }:
                     <div className="flex items-center justify-between">
                         <div>
                             <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                                <History className="h-6 w-6 text-[#01ab83]" />
+                                <History className="h-6 w-6 text-primary-main" />
                                 庫存異動紀錄
                             </h1>
                             <p className="text-gray-500 mt-1">

resources/js/Pages/Warehouse/SafetyStockSettings.tsx

@@ -120,7 +120,7 @@ export default function SafetyStockPage({
                     <div className="flex items-center justify-between">
                         <div>
                             <h1 className="text-2xl font-bold text-grey-0 flex items-center gap-2">
-                                <Shield className="h-6 w-6 text-[#01ab83]" />
+                                <Shield className="h-6 w-6 text-primary-main" />
                                 安全庫存設定 - {warehouse.name}
                             </h1>
                             <p className="text-gray-500 mt-1">

resources/js/types/global.d.ts

@@ -11,6 +11,12 @@ export interface AuthUser {
     permissions: string[];
 }
 
+export interface Branding {
+    logo_url?: string | null;
+    primary_color?: string;
+    text_color?: string;
+}
+
 export interface PageProps {
     auth: {
         user: AuthUser | null;
@@ -19,6 +25,7 @@ export interface PageProps {
         success?: string;
         error?: string;
     };
+    branding?: Branding | null;
 }
 
 declare global {

resources/js/utils/colorUtils.ts

@@ -0,0 +1,129 @@
+/**
+ * 調整顏色亮度
+ * @param hex 原始顏色的 HEX 值（例如 "#01ab83"）
+ * @param percent 調整百分比，正值變亮，負值變暗
+ * @returns 調整後的 HEX 色碼
+ */
+export function adjustBrightness(hex: string, percent: number): string {
+    // 移除 # 符號
+    const cleanHex = hex.replace('#', '');
+
+    // 解析 RGB
+    const num = parseInt(cleanHex, 16);
+    const r = (num >> 16) & 0xFF;
+    const g = (num >> 8) & 0xFF;
+    const b = num & 0xFF;
+
+    // 計算調整後的 RGB（確保在 0-255 範圍內）
+    const newR = Math.min(255, Math.max(0, r + percent * 2.55));
+    const newG = Math.min(255, Math.max(0, g + percent * 2.55));
+    const newB = Math.min(255, Math.max(0, b + percent * 2.55));
+
+    // 轉回 HEX
+    const result = ((Math.round(newR) << 16) | (Math.round(newG) << 8) | Math.round(newB))
+        .toString(16)
+        .padStart(6, '0');
+
+    return `#${result}`;
+}
+
+/**
+ * 生成非常淺的背景色（類似原本的 primary-lightest: #e6f7f3）
+ * 這個函式會保留原色的色調，但大幅提高亮度和降低飽和度
+ * @param hex 原始顏色的 HEX 值
+ * @returns 淺色背景的 HEX 色碼
+ */
+export function generateLightestColor(hex: string): string {
+    const cleanHex = hex.replace('#', '');
+    const num = parseInt(cleanHex, 16);
+    const r = (num >> 16) & 0xFF;
+    const g = (num >> 8) & 0xFF;
+    const b = num & 0xFF;
+
+    // 混合白色來創造非常淺的色調（90% 白色 + 10% 原色）
+    const mixRatio = 0.1;
+    const newR = Math.round(255 * (1 - mixRatio) + r * mixRatio);
+    const newG = Math.round(255 * (1 - mixRatio) + g * mixRatio);
+    const newB = Math.round(255 * (1 - mixRatio) + b * mixRatio);
+
+    const result = ((newR << 16) | (newG << 8) | newB)
+        .toString(16)
+        .padStart(6, '0');
+
+    return `#${result}`;
+}
+
+/**
+ * 生成淺色（類似原本的 primary-light: #33bc9a）
+ * @param hex 原始顏色的 HEX 值
+ * @returns 淺色的 HEX 色碼
+ */
+export function generateLightColor(hex: string): string {
+    const cleanHex = hex.replace('#', '');
+    const num = parseInt(cleanHex, 16);
+    const r = (num >> 16) & 0xFF;
+    const g = (num >> 8) & 0xFF;
+    const b = num & 0xFF;
+
+    // 混合白色（70% 原色 + 30% 白色）
+    const mixRatio = 0.7;
+    const newR = Math.round(r * mixRatio + 255 * (1 - mixRatio));
+    const newG = Math.round(g * mixRatio + 255 * (1 - mixRatio));
+    const newB = Math.round(b * mixRatio + 255 * (1 - mixRatio));
+
+    const result = ((newR << 16) | (newG << 8) | newB)
+        .toString(16)
+        .padStart(6, '0');
+
+    return `#${result}`;
+}
+
+/**
+ * 生成深色（類似原本的 primary-dark: #018a6a）
+ * @param hex 原始顏色的 HEX 值
+ * @returns 深色的 HEX 色碼
+ */
+export function generateDarkColor(hex: string): string {
+    const cleanHex = hex.replace('#', '');
+    const num = parseInt(cleanHex, 16);
+    const r = (num >> 16) & 0xFF;
+    const g = (num >> 8) & 0xFF;
+    const b = num & 0xFF;
+
+    // 降低亮度（80% 原色）
+    const factor = 0.8;
+    const newR = Math.round(r * factor);
+    const newG = Math.round(g * factor);
+    const newB = Math.round(b * factor);
+
+    const result = ((newR << 16) | (newG << 8) | newB)
+        .toString(16)
+        .padStart(6, '0');
+
+    return `#${result}`;
+}
+
+/**
+ * 生成按鈕 active 狀態的顏色（比 dark 更深，約 60% 原色）
+ * @param hex 原始顏色的 HEX 值
+ * @returns 更深色的 HEX 色碼
+ */
+export function generateActiveColor(hex: string): string {
+    const cleanHex = hex.replace('#', '');
+    const num = parseInt(cleanHex, 16);
+    const r = (num >> 16) & 0xFF;
+    const g = (num >> 8) & 0xFF;
+    const b = num & 0xFF;
+
+    // 降低亮度（60% 原色）
+    const factor = 0.6;
+    const newR = Math.round(r * factor);
+    const newG = Math.round(g * factor);
+    const newB = Math.round(b * factor);
+
+    const result = ((newR << 16) | (newG << 8) | newB)
+        .toString(16)
+        .padStart(6, '0');
+
+    return `#${result}`;
+}

resources/views/app.blade.php

@@ -6,9 +6,6 @@
 
         <title inertia>{{ config('app.name', 'Laravel') }}</title>
 
-        <link rel="icon" href="/favicon.ico">
-        <link rel="icon" type="image/png" href="/favicon.png">
-
         <!-- Fonts -->
         <link rel="preconnect" href="https://fonts.googleapis.com">
         <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>

routes/landlord.php

@@ -30,4 +30,8 @@ Route::prefix('landlord')->name('landlord.')->middleware(['web', 'auth', \App\Ht
     // 租戶域名管理
     Route::post('tenants/{tenant}/domains', [TenantController::class, 'addDomain'])->name('tenants.domains.store');
     Route::delete('tenants/{tenant}/domains/{domain}', [TenantController::class, 'removeDomain'])->name('tenants.domains.destroy');
+    
+    // 租戶樣式管理
+    Route::get('tenants/{tenant}/branding', [TenantController::class, 'showBranding'])->name('tenants.branding');
+    Route::post('tenants/{tenant}/branding', [TenantController::class, 'updateBranding'])->name('tenants.branding.update');
 });