修复主题一些细节优化问题

write/src/components/AIPanel.tsx

@@ -76,7 +76,7 @@ export default function AIPanel({ selectedText, onApplyText, title, content, onA
     <div>
       <h3 className="text-[11px] font-medium text-muted uppercase tracking-wider mb-3">AI 助手</h3>
 
-      <div className="bg-white border border-line rounded-lg overflow-hidden">
+      <div className="bg-card border border-line rounded-lg overflow-hidden">
         {/* Text operations */}
         <div className="p-3 border-b border-line/50">
           <div className="text-[10px] font-medium text-muted/70 uppercase mb-2">文本处理</div>
@@ -135,7 +135,7 @@ export default function AIPanel({ selectedText, onApplyText, title, content, onA
 
       {/* Result panel */}
       {(result || error) && (
-        <div className="mt-3 p-3 bg-white border border-line rounded-lg">
+        <div className="mt-3 p-3 bg-card border border-line rounded-lg">
           {error ? (
             <div className="text-[12px] text-danger">{error}</div>
           ) : (

write/src/components/PostEditor.tsx

@@ -36,6 +36,7 @@ export default function PostEditor({ initialData, isEditing }: PostEditorProps)
   const textareaRef = useRef<HTMLTextAreaElement>(null);
   const [selectedText, setSelectedText] = useState("");
   const [autoSaved, setAutoSaved] = useState(false);
+  const [showPublishConfirm, setShowPublishConfirm] = useState(false);
 
   // Auto-save: restore from localStorage on mount
   const cacheKey = isEditing ? `draft-edit-${initialData?.frontMatter.slug}` : "draft-new";
@@ -84,7 +85,45 @@ export default function PostEditor({ initialData, isEditing }: PostEditorProps)
     }
   };
 
-  const handlePaste = (e: React.ClipboardEvent<HTMLTextAreaElement>) => {
+  const handlePaste = async (e: React.ClipboardEvent<HTMLTextAreaElement>) => {
+    const imageFile = Array.from(e.clipboardData.files).find((file) => file.type.startsWith("image/"));
+    if (imageFile) {
+      e.preventDefault();
+      if (!dirPath) {
+        setMessage({ type: "error", text: "请先保存文章，再直接粘贴图片。这样图片才能放到文章同级文件夹。" });
+        return;
+      }
+
+      const el = e.currentTarget;
+      const start = el.selectionStart;
+      const end = el.selectionEnd;
+      setUploading(true);
+      setMessage(null);
+
+      try {
+        const fd = new FormData();
+        fd.append("file", imageFile);
+        fd.append("dirPath", dirPath);
+        const res = await fetch("/api/upload", { method: "POST", body: fd });
+        if (!res.ok) throw new Error("上传失败");
+        const data = await res.json();
+        const markdown = `![](${data.url})`;
+        const nextContent = content.slice(0, start) + markdown + content.slice(end);
+        const nextCursor = start + markdown.length;
+        setContent(nextContent);
+        requestAnimationFrame(() => {
+          el.focus();
+          el.selectionStart = nextCursor;
+          el.selectionEnd = nextCursor;
+        });
+      } catch {
+        setMessage({ type: "error", text: "粘贴图片上传失败" });
+      } finally {
+        setUploading(false);
+      }
+      return;
+    }
+
     const text = e.clipboardData.getData("text/plain");
     if (!text) return;
 
@@ -179,6 +218,7 @@ export default function PostEditor({ initialData, isEditing }: PostEditorProps)
   };
 
   const handlePublish = async () => {
+    setShowPublishConfirm(false);
     setSaving(true); setMessage(null);
     try {
       // First save with draft:false
@@ -221,9 +261,10 @@ export default function PostEditor({ initialData, isEditing }: PostEditorProps)
   };
 
   const inputCls =
-    "w-full bg-white border border-line rounded-md px-3 py-2 text-[13px] text-text placeholder:text-muted/35 focus:outline-none focus:border-accent/30 transition-colors";
+    "w-full bg-card border border-line rounded-md px-3 py-2 text-[13px] text-text placeholder:text-muted/35 focus:outline-none focus:border-accent/30 transition-colors";
 
   return (
+    <>
     <div className="flex gap-8">
     <div className="flex-1 min-w-0 space-y-8">
       {message && (
@@ -355,7 +396,7 @@ export default function PostEditor({ initialData, isEditing }: PostEditorProps)
         </button>
         <button
           type="button"
-          onClick={handlePublish}
+          onClick={() => setShowPublishConfirm(true)}
           disabled={saving}
           className="flex items-center gap-1.5 px-5 py-2 text-[13px] font-medium rounded-md bg-accent text-white hover:bg-accent-hover disabled:opacity-50 transition-colors"
         >
@@ -382,6 +423,46 @@ export default function PostEditor({ initialData, isEditing }: PostEditorProps)
         />
       </div>
     </div>
-  </div>
+    </div>
+
+    {showPublishConfirm && (
+      <div className="fixed inset-0 z-50 flex items-center justify-center bg-[#223d66]/25 px-4 backdrop-blur-sm">
+        <div className="w-full max-w-[420px] rounded-2xl border border-line bg-bg p-6 shadow-[0_24px_80px_rgba(34,61,102,0.22)]">
+          <div className="mb-4 flex items-start gap-3">
+            <div className="mt-0.5 flex h-10 w-10 shrink-0 items-center justify-center rounded-full bg-accent/10 text-accent">
+              <Send size={18} />
+            </div>
+            <div>
+              <h3 className="text-[17px] font-semibold text-text">确认发布到公网？</h3>
+              <p className="mt-1 text-[13px] leading-6 text-muted">
+                发布后会自动保存文章、生成 Git 提交，并推送到 GitHub。公网会同步更新，请确认内容已经检查无误。
+              </p>
+            </div>
+          </div>
+          <div className="rounded-xl border border-line bg-surface/70 px-4 py-3 text-[12px] leading-5 text-muted">
+            当前文章：<span className="font-medium text-text">{form.title || "未命名文章"}</span>
+          </div>
+          <div className="mt-6 flex justify-end gap-3">
+            <button
+              type="button"
+              onClick={() => setShowPublishConfirm(false)}
+              className="rounded-md border border-line px-4 py-2 text-[13px] text-muted transition-colors hover:bg-surface hover:text-text"
+            >
+              取消
+            </button>
+            <button
+              type="button"
+              onClick={handlePublish}
+              disabled={saving}
+              className="flex items-center gap-1.5 rounded-md bg-accent px-4 py-2 text-[13px] font-medium text-white transition-colors hover:bg-accent-hover disabled:opacity-50"
+            >
+              <Send size={13} />
+              确认发布
+            </button>
+          </div>
+        </div>
+      </div>
+    )}
+    </>
   );
 }

write/src/components/ShortcutPanel.tsx

@@ -43,7 +43,7 @@ export default function ShortcutPanel({ textareaRef, value, onChange }: Shortcut
   return (
     <div>
       <h3 className="text-[11px] font-medium text-muted uppercase tracking-wider mb-3">快捷插入</h3>
-      <div className="bg-white border border-line rounded-lg p-3 space-y-1">
+      <div className="bg-card border border-line rounded-lg p-3 space-y-1">
         {shortcuts.map((s) => (
           <button
             key={s.label}

write/src/components/Sidebar.tsx

@@ -3,6 +3,7 @@
 import Link from "next/link";
 import { usePathname } from "next/navigation";
 import { FileText, PenSquare, MessageSquare, Trash2, Rss, Link2, MessageCircle, Image } from "lucide-react";
+import ThemeToggle from "./ThemeToggle";
 
 const navItems = [
   { href: "/", label: "文章", icon: FileText },
@@ -56,6 +57,7 @@ export default function Sidebar() {
 
       {/* Footer */}
       <div className="px-4 py-3 border-t border-line">
+        <ThemeToggle />
         <p className="text-[10px] text-muted/50">localhost:8016</p>
       </div>
     </aside>

write/src/components/ThemeToggle.tsx

@@ -0,0 +1,48 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { Moon, Sun } from "lucide-react";
+
+type Theme = "light" | "dark";
+
+export default function ThemeToggle() {
+  const [theme, setTheme] = useState<Theme>("light");
+
+  useEffect(() => {
+    const saved = localStorage.getItem("write-theme");
+    const nextTheme: Theme = saved === "dark" ? "dark" : "light";
+    setTheme(nextTheme);
+    if (nextTheme === "dark") {
+      document.documentElement.dataset.theme = "dark";
+    } else {
+      delete document.documentElement.dataset.theme;
+    }
+  }, []);
+
+  const toggleTheme = () => {
+    const nextTheme: Theme = theme === "dark" ? "light" : "dark";
+    setTheme(nextTheme);
+    localStorage.setItem("write-theme", nextTheme);
+    if (nextTheme === "dark") {
+      document.documentElement.dataset.theme = "dark";
+    } else {
+      delete document.documentElement.dataset.theme;
+    }
+  };
+
+  const isDark = theme === "dark";
+  const Icon = isDark ? Sun : Moon;
+
+  return (
+    <button
+      type="button"
+      onClick={toggleTheme}
+      className="mb-3 flex w-full items-center justify-between rounded-md border border-line px-3 py-2 text-[12px] text-muted transition-colors hover:bg-bg hover:text-accent"
+      title={isDark ? "切换到浅色模式" : "切换到夜间模式"}
+      aria-label={isDark ? "切换到浅色模式" : "切换到夜间模式"}
+    >
+      <span>{isDark ? "浅色模式" : "夜间模式"}</span>
+      <Icon size={14} />
+    </button>
+  );
+}