feat：增加首页登录页面

2026-06-20 17:35:14 +08:00
parent 7288f443f1
commit 2a7d4c74d4
6 changed files with 1744 additions and 4 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -24,3 +24,4 @@ Thumbs.db

 # ---- Obsidian ----
 .obsidian/
+.claudian/sessions/conv-1781943335504-q62bzosye.meta.json
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -4,8 +4,11 @@
    <meta charset="UTF-8" />
    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <meta name="description" content="CamTalk — 多模态实时 AI 视觉对话助手，通过摄像头和麦克风与 AI 自然交互" />
-    <title>CamTalk — AI 视觉对话助手</title>
+    <meta name="description" content="CamTalk - 多模态实时 AI 视觉对话助手，通过摄像头和麦克风与 AI 自然交互" />
+    <title>CamTalk - AI 视觉对话助手</title>
+    <link rel="preconnect" href="https://fonts.googleapis.com" />
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
+    <link href="https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700;800&display=swap" rel="stylesheet" />
  </head>
  <body>
    <div id="root"></div>
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -11,7 +11,7 @@ import { ChatPanel } from "./components/ChatPanel";
 import { ConfigPanel } from "./components/ConfigPanel";
 import { SessionSidebar } from "./components/SessionSidebar";
 import { ToastContainer } from "./components/Toast";
-import { AuthPage } from "./components/AuthPage";
+import { LandingPage } from "./components/LandingPage";
 import { AuthProvider, useAuth } from "./lib/auth";
 import { loadConfig, loadTheme, saveTheme } from "./lib/storage";
 import { I18nContext, parseLocale, t } from "./lib/i18n";
@@ -232,7 +232,7 @@ function AppContent() {
  }

  if (!isAuthenticated) {
-    return <AuthPage />;
+    return <LandingPage />;
  }

  return (
--- a/frontend/src/components/LandingPage/LandingPage.css
+++ b/frontend/src/components/LandingPage/LandingPage.css
--- a/frontend/src/components/LandingPage/LoginModal.tsx
+++ b/frontend/src/components/LandingPage/LoginModal.tsx
@@ -0,0 +1,163 @@
+// ============================================================
+// LoginModal — 登录 / 注册模态框
+// 职责：在 LandingPage 上弹出的认证表单，复用现有 auth 系统
+// ============================================================
+
+import { useCallback, useEffect, useRef, useState } from "react";
+import { useAuth } from "../../lib/auth";
+import { useI18n } from "../../lib/i18n";
+
+type AuthMode = "login" | "register";
+
+interface LoginModalProps {
+  initialMode?: AuthMode;
+  onClose: () => void;
+}
+
+export function LoginModal({ initialMode = "login", onClose }: LoginModalProps) {
+  const { login, register } = useAuth();
+  const { t } = useI18n();
+  const [mode, setMode] = useState<AuthMode>(initialMode);
+  const [username, setUsername] = useState("");
+  const [password, setPassword] = useState("");
+  const [error, setError] = useState("");
+  const [isSubmitting, setIsSubmitting] = useState(false);
+  const overlayRef = useRef<HTMLDivElement>(null);
+
+  // 点击遮罩关闭
+  const handleOverlayClick = useCallback(
+    (e: React.MouseEvent) => {
+      if (e.target === overlayRef.current) onClose();
+    },
+    [onClose]
+  );
+
+  // ESC 关闭
+  useEffect(() => {
+    const handler = (e: KeyboardEvent) => {
+      if (e.key === "Escape") onClose();
+    };
+    window.addEventListener("keydown", handler);
+    return () => window.removeEventListener("keydown", handler);
+  }, [onClose]);
+
+  // 阻止 body 滚动
+  useEffect(() => {
+    const prev = document.body.style.overflow;
+    document.body.style.overflow = "hidden";
+    return () => { document.body.style.overflow = prev; };
+  }, []);
+
+  const handleSubmit = useCallback(
+    async (e: React.FormEvent) => {
+      e.preventDefault();
+      setError("");
+
+      if (username.length < 3 || username.length > 64) {
+        setError(t("auth.error.usernameLength"));
+        return;
+      }
+      if (password.length < 8 || password.length > 72) {
+        setError(t("auth.error.passwordLength"));
+        return;
+      }
+
+      setIsSubmitting(true);
+      const fn = mode === "login" ? login : register;
+      const result = await fn(username, password);
+      setIsSubmitting(false);
+
+      if (result.error) {
+        setError(result.error);
+      }
+      // 登录成功时 auth 状态更新，App 自动切到主界面，modal 自然消失
+    },
+    [username, password, mode, login, register, t]
+  );
+
+  const switchMode = useCallback(() => {
+    setMode((m) => (m === "login" ? "register" : "login"));
+    setError("");
+  }, []);
+
+  return (
+    <div className="lp-modal-overlay" ref={overlayRef} onClick={handleOverlayClick}>
+      <div className="lp-modal" role="dialog" aria-modal="true">
+        <div className="lp-modal__inner">
+          <button type="button" className="lp-modal__close" onClick={onClose} aria-label="Close">
+            <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round">
+              <line x1="18" y1="6" x2="6" y2="18" />
+              <line x1="6" y1="6" x2="18" y2="18" />
+            </svg>
+          </button>
+
+          <div className="lp-modal__header">
+            <div className="lp-modal__logo">CamTalk</div>
+            <div className="lp-modal__subtitle">{t("auth.subtitle")}</div>
+          </div>
+
+          <form onSubmit={handleSubmit}>
+            <div className="lp-modal__tabs">
+              <button
+                type="button"
+                className={`lp-modal__tab ${mode === "login" ? "lp-modal__tab--active" : ""}`}
+                onClick={() => { setMode("login"); setError(""); }}
+              >
+                {t("auth.login")}
+              </button>
+              <button
+                type="button"
+                className={`lp-modal__tab ${mode === "register" ? "lp-modal__tab--active" : ""}`}
+                onClick={() => { setMode("register"); setError(""); }}
+              >
+                {t("auth.register")}
+              </button>
+            </div>
+
+            <label className="lp-modal__field">
+              <span className="lp-modal__field-label">{t("auth.username")}</span>
+              <input
+                type="text"
+                className="lp-modal__field-input"
+                value={username}
+                onChange={(e) => setUsername(e.target.value)}
+                placeholder={t("auth.username.placeholder")}
+                autoComplete="username"
+                autoFocus
+              />
+            </label>
+
+            <label className="lp-modal__field">
+              <span className="lp-modal__field-label">{t("auth.password")}</span>
+              <input
+                type="password"
+                className="lp-modal__field-input"
+                value={password}
+                onChange={(e) => setPassword(e.target.value)}
+                placeholder={t("auth.password.placeholder")}
+                autoComplete={mode === "login" ? "current-password" : "new-password"}
+              />
+            </label>
+
+            {error && <div className="lp-modal__error">{error}</div>}
+
+            <button type="submit" className="lp-modal__submit" disabled={isSubmitting}>
+              {isSubmitting
+                ? t("auth.submitting")
+                : mode === "login"
+                  ? t("auth.login")
+                  : t("auth.register")}
+            </button>
+          </form>
+
+          <div className="lp-modal__footer">
+            {mode === "login" ? t("auth.noAccount") : t("auth.hasAccount")}
+            <button type="button" className="lp-modal__link" onClick={switchMode}>
+              {mode === "login" ? t("auth.register") : t("auth.login")}
+            </button>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}
--- a/frontend/src/components/LandingPage/index.tsx
+++ b/frontend/src/components/LandingPage/index.tsx
@@ -0,0 +1,390 @@
+// ============================================================
+// LandingPage — 官网首页（含登录弹窗）
+// 职责：未登录用户的落地页，展示产品介绍并提供登录/注册入口
+// ============================================================
+
+import { useCallback, useEffect, useRef, useState } from "react";
+import { LoginModal } from "./LoginModal";
+import "./LandingPage.css";
+
+type ModalMode = "login" | "register";
+
+export function LandingPage() {
+  const [modal, setModal] = useState<{ open: boolean; mode: ModalMode }>({
+    open: false,
+    mode: "login",
+  });
+
+  const openModal = useCallback((mode: ModalMode) => {
+    setModal({ open: true, mode });
+  }, []);
+
+  const closeModal = useCallback(() => {
+    setModal((prev) => ({ ...prev, open: false }));
+  }, []);
+
+  // ---- Scroll Reveal ----
+  const observerRef = useRef<IntersectionObserver | null>(null);
+
+  useEffect(() => {
+    observerRef.current = new IntersectionObserver(
+      (entries) => {
+        entries.forEach((entry) => {
+          if (entry.isIntersecting) {
+            entry.target.classList.add("lp-visible");
+          }
+        });
+      },
+      { threshold: 0.1, rootMargin: "0px 0px -40px 0px" }
+    );
+
+    document.querySelectorAll(".lp-fade-in").forEach((el) => {
+      observerRef.current?.observe(el);
+    });
+
+    return () => observerRef.current?.disconnect();
+  }, []);
+
+  return (
+    <div className="landing-page">
+      <div className="lp-bg-grid" />
+
+      {/* ========== Top Navigation ========== */}
+      <nav className="lp-nav">
+        <div className="lp-nav__logo">CamTalk</div>
+        <div className="lp-nav__links">
+          <a href="#problem">痛点</a>
+          <a href="#features">特性</a>
+          <a href="#scenes">场景</a>
+          <a href="#tech">技术</a>
+        </div>
+        <div className="lp-nav__actions">
+          <button type="button" className="lp-nav__btn lp-nav__btn--ghost" onClick={() => openModal("login")}>
+            登录
+          </button>
+          <button type="button" className="lp-nav__btn lp-nav__btn--primary" onClick={() => openModal("register")}>
+            免费注册
+          </button>
+        </div>
+      </nav>
+
+      {/* ========== HERO ========== */}
+      <section className="lp-hero">
+        <div className="lp-container lp-hero-content">
+          <div className="lp-hero-badge">
+            <span className="lp-hero-badge__dot" />
+            <span>XEngineers</span>
+          </div>
+          <h1>
+            <span className="lp-gradient">CamTalk</span>
+            <br />
+            给 AI 装上眼睛和耳朵
+          </h1>
+          <p className="lp-hero__sub">
+            多模态实时 AI 视觉对话助手。打开浏览器，对着摄像头说话，AI 实时理解画面和语音，以文字和语音同步回答你。
+          </p>
+
+          <div className="lp-hero-actions">
+            <button type="button" className="lp-cta-btn" onClick={() => openModal("register")}>
+              立即体验 CamTalk
+            </button>
+            <div className="lp-hero-actions__links">
+              <a href="https://www.bilibili.com/video/BV1dDJK6cE5S/" target="_blank" rel="noreferrer">
+                路演视频
+              </a>
+              <a href="https://github.com/XEngineers/CamTalk" target="_blank" rel="noreferrer">
+                GitHub
+              </a>
+            </div>
+          </div>
+
+          {/* Device Mockup - Double Bezel */}
+          <div className="lp-hero-visual">
+            <div className="lp-hero-visual__inner">
+              <div className="lp-hero-visual__screen">
+                <div className="lp-screen-left">
+                  <div className="lp-scan-line" />
+                  <div className="lp-camera-ring">
+                    <svg viewBox="0 0 24 24">
+                      <path d="M23 7l-7 5 7 5V7z" />
+                      <rect x="1" y="5" width="15" height="14" rx="2" ry="2" />
+                    </svg>
+                  </div>
+                </div>
+                <div className="lp-screen-right">
+                  <div className="lp-chat-bubble lp-chat-bubble--user">这道数学题怎么做？</div>
+                  <div className="lp-chat-bubble lp-chat-bubble--ai">
+                    这是一道二次方程求解题。观察方程 x² - 5x + 6 = 0，可以使用因式分解法……
+                    <div className="lp-typing">
+                      <span /><span /><span />
+                    </div>
+                  </div>
+                  <div className="lp-chat-bubble lp-chat-bubble--user">能用求根公式再算一遍吗？</div>
+                  <div className="lp-audio-wave">
+                    <span /><span /><span /><span /><span /><span /><span />
+                  </div>
+                </div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </section>
+
+      {/* ========== PROBLEM ========== */}
+      <section id="problem">
+        <div className="lp-container">
+          <div className="lp-section-header lp-fade-in">
+            <div className="lp-section-header__tag">痛点分析</div>
+            <h2>AI 能说会道，却看不到你眼前的世界</h2>
+            <p>传统 AI 助手存在三大断层，割裂了自然交流的直觉</p>
+          </div>
+          <div className="lp-problem-grid">
+            <div className="lp-problem-card lp-fade-in">
+              <div className="lp-problem-card__icon">
+                <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" strokeLinejoin="round">
+                  <path d="M23 7l-7 5 7 5V7z"/><rect x="1" y="5" width="15" height="14" rx="2" ry="2"/>
+                </svg>
+              </div>
+              <h3>视觉断层</h3>
+              <p>用户必须先拍照、保存、上传、再打字描述上下文，AI 才能「看到」画面。四步操作，割裂了自然交流的直觉。</p>
+            </div>
+            <div className="lp-problem-card lp-fade-in">
+              <div className="lp-problem-card__icon">
+                <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" strokeLinejoin="round">
+                  <polyline points="4 7 4 4 20 4 20 7"/><line x1="9" y1="20" x2="15" y2="20"/><line x1="12" y1="4" x2="12" y2="20"/>
+                </svg>
+              </div>
+              <h3>交互断层</h3>
+              <p>面对外语菜单、数学公式、电路图等复杂内容，打字描述极其低效。用户脑中的问题转不成文字，AI 也就无法作答。</p>
+            </div>
+            <div className="lp-problem-card lp-fade-in">
+              <div className="lp-problem-card__icon">
+                <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" strokeLinejoin="round">
+                  <line x1="12" y1="1" x2="12" y2="23"/><path d="M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/>
+                </svg>
+              </div>
+              <h3>成本断层</h3>
+              <p>实时视频流 + 大模型推理的组合让 API 成本居高不下。传统方案月成本高达 $5,000，无法面向普通用户商业化。</p>
+            </div>
+          </div>
+        </div>
+      </section>
+
+      {/* ========== SOLUTION ========== */}
+      <section id="solution">
+        <div className="lp-container">
+          <div className="lp-section-header lp-fade-in">
+            <h2>看 + 听 + 说 = 真正理解你的 AI</h2>
+            <p>CamTalk 用一个对话界面闭合所有断层</p>
+          </div>
+          <div className="lp-flow-wrapper lp-fade-in">
+            <div className="lp-flow-steps">
+              {[
+                { icon: "📷", label: "摄像头采集" },
+                { icon: "🧠", label: "边缘预处理" },
+                { icon: "🔌", label: "WebSocket" },
+                { icon: "⚡", label: "Eino 编排" },
+                { icon: "👁️", label: "视觉理解" },
+                { icon: "💬", label: "流式回复" },
+                { icon: "🔊", label: "语音输出" },
+              ].map((step, i, arr) => (
+                <div key={i} style={{ display: "contents" }}>
+                  <div className="lp-flow-step">
+                    <div className="lp-flow-step__node">{step.icon}</div>
+                    <div className="lp-flow-step__label">{step.label}</div>
+                  </div>
+                  {i < arr.length - 1 && <div className="lp-flow-arrow">→</div>}
+                </div>
+              ))}
+            </div>
+          </div>
+        </div>
+      </section>
+
+      {/* ========== FEATURES ========== */}
+      <section id="features">
+        <div className="lp-container">
+          <div className="lp-section-header lp-fade-in">
+            <div className="lp-section-header__tag">核心亮点</div>
+            <h2>五大技术创新</h2>
+            <p>从端到端架构到成本控制，每一层都经过精心设计</p>
+          </div>
+          <div className="lp-features-grid">
+            {[
+              {
+                num: "01", icon: "⚡",
+                title: "流式并行推送",
+                desc: "LLM 文本流与 TTS 音频流并行输出。用户先看到文字，紧接着听到语音，感知延迟低于 0.5 秒，接近真人对话节奏。",
+              },
+              {
+                num: "02", icon: "🧠",
+                title: "声明式 AI 编排",
+                desc: "基于 CloudWeGo Eino Graph 的 7 节点 DAG 流水线（STT → History → ChatModel → Splitter → TTS），类型安全、可扩展、易测试。",
+              },
+              {
+                num: "03", icon: "💰",
+                title: "端云协同降本",
+                desc: "浏览器端 VAD 语音检测 + 关键帧像素比较 + 混合采样策略，节省 70% 带宽，月成本从 $5,000 降至 $300，降幅 90%。",
+              },
+              {
+                num: "04", icon: "🎯",
+                title: "多场景智能模式",
+                desc: "5 种 AI 角色（自由对话 / 模拟面试 / 英语老师 / 辩论对手 / 同声翻译）× 3 种视觉模式 × 观察模式，灵活覆盖学习与工作。",
+              },
+              {
+                num: "05", icon: "🏗️",
+                title: "生产级工程架构",
+                desc: "三级存储自动降级（Memory → Redis → PostgreSQL）、JWT 双 token 认证、Docker Compose 一键部署、完善的错误处理与降级策略。",
+              },
+            ].map((f) => (
+              <div className="lp-feature-card lp-fade-in" key={f.num}>
+                <div className="lp-feature-card__number">{f.num}</div>
+                <div className="lp-feature-card__icon">
+                  {f.icon}
+                </div>
+                <h3>{f.title}</h3>
+                <p>{f.desc}</p>
+              </div>
+            ))}
+          </div>
+        </div>
+      </section>
+
+      {/* ========== USERS ========== */}
+      <section id="users">
+        <div className="lp-container">
+          <div className="lp-section-header lp-fade-in">
+            <h2>为每一类学习者而设计</h2>
+            <p>无论你是在学英语、准备面试，还是想让 AI 帮你看看眼前的世界</p>
+          </div>
+          <div className="lp-users-grid">
+            {[
+              { avatar: "🧑‍🎓", title: "语言学习者", desc: "对着课本或实物，与 AI 英语外教用英语自由对话，实时纠正语法和发音" },
+              { avatar: "💼", title: "面试准备者", desc: "开启模拟面试模式，AI 面试官通过摄像头观察你的表情与状态，给出针对性反馈" },
+              { avatar: "🌍", title: "跨境交流者", desc: "出国旅行时对着外文菜单、路牌实时翻译，AI 语音播报翻译结果" },
+              { avatar: "👁️", title: "视障人士", desc: "AI 实时描述摄像头画面中的环境、障碍物和文字，提供无障碍信息辅助" },
+              { avatar: "🔬", title: "学生 / 教师", desc: "对着题目问「怎么做？」，AI 看到画面后逐步讲解，就像身边有一位私教" },
+            ].map((u) => (
+              <div className="lp-user-card lp-fade-in" key={u.title}>
+                <div className="lp-user-card__avatar">{u.avatar}</div>
+                <h4>{u.title}</h4>
+                <p>{u.desc}</p>
+              </div>
+            ))}
+          </div>
+        </div>
+      </section>
+
+      {/* ========== SCENES ========== */}
+      <section id="scenes">
+        <div className="lp-container">
+          <div className="lp-section-header lp-fade-in">
+            <h2>五种模式，覆盖真实需求</h2>
+          </div>
+          <div className="lp-scenes-list">
+            {[
+              { icon: "💬", title: "自由对话", desc: "对着摄像头随意聊天，AI 实时理解画面并语音回答", tag: "通用" },
+              { icon: "🗣️", title: "英语老师", desc: "AI 外教结合摄像头场景进行英语口语教学，实时纠正语法", tag: "学习" },
+              { icon: "🎤", title: "模拟面试", desc: "AI 面试官根据你的回答追问，通过摄像头观察你的表现", tag: "求职" },
+              { icon: "⚔️", title: "辩论对手", desc: "AI 反驳你的观点，锻炼你的逻辑思维和表达能力", tag: "思维" },
+              { icon: "🌐", title: "同声翻译", desc: "实时识别画面中的外语文字并语音翻译，口语化输出", tag: "工具" },
+            ].map((s) => (
+              <div className="lp-scene-row lp-fade-in" key={s.title}>
+                <div className="lp-scene-row__icon">{s.icon}</div>
+                <div>
+                  <h4>{s.title}</h4>
+                  <div className="lp-scene-row__desc">{s.desc}</div>
+                </div>
+                <div className="lp-scene-row__tag">
+                  {s.tag}
+                </div>
+              </div>
+            ))}
+          </div>
+        </div>
+      </section>
+
+      {/* ========== METRICS ========== */}
+      <section id="metrics">
+        <div className="lp-container">
+          <div className="lp-section-header lp-fade-in">
+            <h2>用数据说话</h2>
+          </div>
+          <div className="lp-metrics-grid">
+            {[
+              { value: "< 2s", label: "端到端响应延迟" },
+              { value: "90%", label: "API 成本降幅" },
+              { value: "70%", label: "带宽节省率" },
+              { value: "5+3", label: "场景 × 视觉模式" },
+            ].map((m) => (
+              <div className="lp-metric-card lp-fade-in" key={m.label}>
+                <div className="lp-metric-card__value">{m.value}</div>
+                <div className="lp-metric-card__label">{m.label}</div>
+              </div>
+            ))}
+          </div>
+        </div>
+      </section>
+
+      {/* ========== TECH STACK ========== */}
+      <section id="tech">
+        <div className="lp-container">
+          <div className="lp-section-header lp-fade-in">
+            <h2>三层系统，生产级质量</h2>
+            <p>前端轻量预处理 → Go 网关智能编排 → 云端 AI 按需调用</p>
+          </div>
+          <div className="lp-tech-layers">
+            {[
+              { badge: "前端层", tags: ["React 18", "TypeScript", "Vite", "WebRTC VAD", "Canvas 关键帧检测", "WebSocket", "i18n (中/英/日)"] },
+              { badge: "网关层", tags: ["Go + Gin", "gorilla/websocket", "Eino Graph", "JWT 双 Token", "Zap 日志", "Viper 配置"] },
+              { badge: "存储层", tags: ["L1 Memory", "L2 Redis", "L3 PostgreSQL", "TieredManager 自动降级"] },
+              { badge: "AI 服务", tags: ["qwen3-vl-plus (LLM)", "MiMo ASR (STT)", "MiMo TTS", "Docker Compose"] },
+            ].map((layer) => (
+              <div className="lp-tech-layer lp-fade-in" key={layer.badge}>
+                <div>
+                  <div className="lp-tech-layer__badge">
+                    {layer.badge}
+                  </div>
+                </div>
+                <div className="lp-tech-layer__tags">
+                  {layer.tags.map((tag) => <span key={tag}>{tag}</span>)}
+                </div>
+              </div>
+            ))}
+          </div>
+        </div>
+      </section>
+
+      {/* ========== CTA ========== */}
+      <section className="lp-cta-section">
+        <div className="lp-container lp-fade-in">
+          <h2>让 AI 看见你看见的世界</h2>
+          <p>CamTalk，不只是聊天，而是真正的多模态视觉对话。</p>
+          <button type="button" className="lp-cta-btn" onClick={() => openModal("register")}>
+            立即体验 CamTalk
+          </button>
+          <div className="lp-cta-links">
+            <a href="https://www.bilibili.com/video/BV1dDJK6cE5S/" target="_blank" rel="noreferrer">
+              路演视频
+            </a>
+            <a href="https://github.com/XEngineers/CamTalk" target="_blank" rel="noreferrer">
+              GitHub
+            </a>
+          </div>
+        </div>
+      </section>
+
+      {/* ========== Footer ========== */}
+      <footer className="lp-footer">
+        <div className="lp-container">
+          CamTalk © 2026 XEngineers
+        </div>
+      </footer>
+
+      {/* ========== Login Modal ========== */}
+      {modal.open && (
+        <LoginModal initialMode={modal.mode} onClose={closeModal} />
+      )}
+    </div>
+  );
+}