style: add board light mode

web/app/globals.css

@@ -540,6 +540,135 @@ nextjs-portal {
   color: #fff;
 }
 
+.skg-board-theme--light {
+  color: #22261f;
+  background:
+    radial-gradient(circle at 12% 0%, rgba(214, 179, 106, 0.18), transparent 30%),
+    radial-gradient(circle at 82% 8%, rgba(143, 176, 113, 0.14), transparent 28%),
+    linear-gradient(126deg, #f7f4ea 0%, #eef1e7 48%, #f9f6ee 100%);
+}
+
+.skg-board-theme--light::before {
+  background:
+    linear-gradient(90deg, rgba(42, 50, 36, 0.05) 1px, transparent 1px),
+    linear-gradient(180deg, rgba(42, 50, 36, 0.045) 1px, transparent 1px);
+  opacity: 0.72;
+}
+
+.skg-board-theme--light::after {
+  background:
+    linear-gradient(180deg, rgba(255, 255, 255, 0.36), transparent 46%, rgba(214, 179, 106, 0.08)),
+    linear-gradient(90deg, rgba(255, 255, 255, 0.3), transparent 42%, rgba(255, 255, 255, 0.24));
+}
+
+.skg-board-theme--light .skg-board-ambient {
+  background:
+    radial-gradient(circle at 20% 18%, rgba(214, 179, 106, 0.2), transparent 28%),
+    radial-gradient(circle at 70% 6%, rgba(143, 176, 113, 0.16), transparent 30%),
+    radial-gradient(circle at 52% 100%, rgba(214, 179, 106, 0.12), transparent 38%);
+}
+
+.skg-board-theme--light .skg-board-topbar,
+.skg-board-theme--light .skg-board-panel {
+  border-color: rgba(82, 93, 62, 0.16) !important;
+  background:
+    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.48)),
+    rgba(249, 246, 236, 0.7) !important;
+  box-shadow:
+    inset 0 1px 0 rgba(255, 255, 255, 0.78),
+    0 18px 48px rgba(65, 55, 30, 0.1);
+}
+
+.skg-board-theme--light .skg-board-topbar {
+  background:
+    linear-gradient(100deg, rgba(214, 179, 106, 0.14), rgba(143, 176, 113, 0.08) 42%, rgba(255, 255, 255, 0.58)),
+    rgba(252, 249, 241, 0.82) !important;
+}
+
+.skg-board-theme--light .skg-board-theme-toggle {
+  border-color: rgba(82, 93, 62, 0.16) !important;
+  background: rgba(255, 255, 255, 0.54) !important;
+  color: rgba(36, 40, 30, 0.72) !important;
+}
+
+.skg-board-theme--light .text-white,
+.skg-board-theme--light [class*="text-white/"] {
+  color: rgba(32, 36, 28, 0.78) !important;
+}
+
+.skg-board-theme--light [class*="bg-black/"],
+.skg-board-theme--light [class*="bg-white/"] {
+  background-color: rgba(255, 255, 250, 0.52) !important;
+}
+
+.skg-board-theme--light [class*="border-white/"] {
+  border-color: rgba(70, 78, 54, 0.14) !important;
+}
+
+.skg-board-theme--light [class*="text-[#d7efbc]"] {
+  color: #43662d !important;
+}
+
+.skg-board-theme--light [class*="text-[#e8c77a]"],
+.skg-board-theme--light [class*="text-[#f2d58a]"],
+.skg-board-theme--light [class*="text-[#f5d98e]"] {
+  color: #856015 !important;
+}
+
+.skg-board-theme--light [class*="text-emerald-"] {
+  color: #2f6d3d !important;
+}
+
+.skg-board-theme--light [class*="text-cyan-"],
+.skg-board-theme--light [class*="text-sky-"],
+.skg-board-theme--light [class*="text-teal-"] {
+  color: #17606f !important;
+}
+
+.skg-board-theme--light [class*="text-amber-"],
+.skg-board-theme--light [class*="text-yellow-"] {
+  color: #8a5c00 !important;
+}
+
+.skg-board-theme--light [class*="text-rose-"],
+.skg-board-theme--light [class*="text-red-"] {
+  color: #9f1239 !important;
+}
+
+.skg-board-theme--light [class*="text-violet-"],
+.skg-board-theme--light [class*="text-purple-"] {
+  color: #62438a !important;
+}
+
+.skg-board-theme--light [class*="border-[#8fb071]"] {
+  border-color: rgba(67, 102, 45, 0.28) !important;
+}
+
+.skg-board-theme--light [class*="border-[#d6b36a]"] {
+  border-color: rgba(133, 96, 21, 0.26) !important;
+}
+
+.skg-board-theme--light [class*="bg-[#8fb071]"],
+.skg-board-theme--light [class*="bg-[#d6b36a]"] {
+  background-color: rgba(214, 179, 106, 0.14) !important;
+}
+
+.skg-board-theme--light input,
+.skg-board-theme--light textarea,
+.skg-board-theme--light select {
+  color: #22261f !important;
+}
+
+.skg-board-theme--light input::placeholder,
+.skg-board-theme--light textarea::placeholder {
+  color: rgba(34, 38, 31, 0.36) !important;
+}
+
+.skg-board-theme--light ::selection {
+  background: rgba(214, 179, 106, 0.32);
+  color: #171a14;
+}
+
 .login-hero {
   isolation: isolate;
   color: #282828;

web/app/page.tsx

@@ -1,6 +1,5 @@
 "use client"
 import { useCallback, useEffect, useMemo, useRef, useState } from "react"
-import { useTheme } from "next-themes"
 import {
   ReactFlow, Background, BackgroundVariant, Controls,
   useNodesState, useEdgesState,
@@ -14,7 +13,6 @@ import {
   type CanvasPanelDock,
   type NodeData,
 } from "@/components/nodes"
-import { ThemeToggle } from "@/components/theme-toggle"
 import { AdRecreationBoard } from "@/components/ad-recreation-board"
 import {
   addManualFrame, analyzeJob, createJob, getJob, listJobs, uploadJob, deleteJob, deleteFrame, deleteGeneratedImage,
@@ -144,7 +142,6 @@ const EDGES_RAW: Array<[string, string]> = [
 ]
 
 export default function Home() {
-  const { resolvedTheme } = useTheme()
   const [jobs, setJobs] = useState<Job[]>([])
   const [activeJobId, setActiveJobId] = useState<string | null>(null)
   const job = useMemo(() => jobs.find((j) => j.id === activeJobId) ?? null, [jobs, activeJobId])
@@ -1199,9 +1196,6 @@ export default function Home() {
       <div className="canvas-bg" />
       <main className="relative flex h-screen w-screen overflow-hidden">
         <AdRecreationBoard data={nodeData} onGenerateVideo={handleQuickGenerateVideo} />
-        <div className="absolute bottom-4 right-4 z-30 pointer-events-auto">
-          <ThemeToggle />
-        </div>
         <Toaster theme="system" position="top-center" />
       </main>
     </>

web/components/ad-recreation-board.tsx

@@ -4,7 +4,7 @@ import { type ReactNode, type RefObject, useEffect, useMemo, useRef, useState }
 import { createPortal } from "react-dom"
 import {
   AlertTriangle, Check, ChevronDown, Circle, Film, FileText, Image as ImageIcon, Info, Link2, Loader2,
-  Mic, Package, PanelRight, Play, Plus, RefreshCw, Scissors, Sparkles, Trash2, Upload, Wand2,
+  Mic, Moon, Package, PanelRight, Play, Plus, RefreshCw, Scissors, Sparkles, Sun, Trash2, Upload, Wand2,
 } from "lucide-react"
 import { toast } from "sonner"
 import {
@@ -78,6 +78,9 @@ const VIDEO_MODELS = [
 ] as const
 
 type VideoModel = (typeof VIDEO_MODELS)[number]["value"]
+type BoardThemeMode = "dark" | "light"
+
+const BOARD_THEME_STORAGE_KEY = "skg-board-theme"
 
 type DraftSegment = {
   id: string
@@ -1268,6 +1271,7 @@ export function AdRecreationBoard({
   const [sixViewBusyKey, setSixViewBusyKey] = useState<string | null>(null)
   const [generatingAll, setGeneratingAll] = useState(false)
   const [runtimeModels, setRuntimeModels] = useState<RuntimeModels | undefined>()
+  const [boardTheme, setBoardTheme] = useState<BoardThemeMode>("dark")
   const fileRef = useRef<HTMLInputElement | null>(null)
   const selectedFrames = job
     ? job.frames.filter((frame) => data.selectedFrames.has(frame.index)).sort((a, b) => a.timestamp - b.timestamp)
@@ -1307,6 +1311,15 @@ export function AdRecreationBoard({
     setSelectedVideoIds(new Set())
   }, [activeJobId])
 
+  useEffect(() => {
+    try {
+      const saved = window.localStorage.getItem(BOARD_THEME_STORAGE_KEY)
+      if (saved === "light" || saved === "dark") setBoardTheme(saved)
+    } catch {
+      // Ignore storage failures; dark mode remains the product default.
+    }
+  }, [])
+
   useEffect(() => {
     let cancelled = false
     getRuntimeHealth()
@@ -1334,6 +1347,18 @@ export function AdRecreationBoard({
     if (trimmed) setUrl("")
   }
 
+  const toggleBoardTheme = () => {
+    setBoardTheme((current) => {
+      const next: BoardThemeMode = current === "dark" ? "light" : "dark"
+      try {
+        window.localStorage.setItem(BOARD_THEME_STORAGE_KEY, next)
+      } catch {
+        // Ignore storage failures; the in-memory theme still switches.
+      }
+      return next
+    })
+  }
+
   const selectAllFrames = () => {
     if (!job) return
     for (const frame of job.frames) {
@@ -1477,7 +1502,7 @@ export function AdRecreationBoard({
   }
 
   return (
-    <section className="skg-board-theme relative z-20 h-screen w-screen overflow-hidden bg-black text-white">
+    <section className={`skg-board-theme ${boardTheme === "light" ? "skg-board-theme--light" : ""} relative z-20 h-screen w-screen overflow-hidden bg-black text-white`}>
       <div className="skg-board-ambient pointer-events-none absolute inset-0" />
       <div className="relative z-10 flex h-full flex-col px-4 py-4">
         <header className="skg-board-topbar mb-3 flex items-center justify-between gap-4 rounded-lg border border-white/10 bg-white/[0.04] px-4 py-3">
@@ -1485,6 +1510,16 @@ export function AdRecreationBoard({
             <div className="text-[11px] font-medium uppercase tracking-[0.18em] text-white/40">feed ad recreation worksheet</div>
             <h1 className="mt-1 text-[22px] font-semibold leading-tight text-white">信息流广告复刻工作表</h1>
           </div>
+          <div className="flex shrink-0 items-center gap-2">
+            <button
+              type="button"
+              onClick={toggleBoardTheme}
+              className="skg-board-theme-toggle inline-flex h-10 items-center gap-1.5 rounded-md border border-white/10 bg-black/24 px-3 text-[11px] font-semibold text-white/62 transition hover:border-[#d6b36a]/45 hover:text-white"
+              title={boardTheme === "dark" ? "切换到明亮模式" : "切换到暗色模式"}
+            >
+              {boardTheme === "dark" ? <Sun className="h-3.5 w-3.5" /> : <Moon className="h-3.5 w-3.5" />}
+              {boardTheme === "dark" ? "明亮" : "暗色"}
+            </button>
             <div className="grid min-w-[520px] grid-cols-5 gap-2 text-[11px] text-white/48">
               <Metric label="素材" value={`${jobs.length}`} />
               <Metric label="当前" value={shortId(activeJobId)} />
@@ -1492,6 +1527,7 @@ export function AdRecreationBoard({
               <Metric label="文案段" value={`${transcriptCount}`} />
               <Metric label="背景音" value={backgroundReady ? "ready" : "-"} />
             </div>
+          </div>
         </header>
 
         <WorkflowOrderBar steps={workflowSteps} />