<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>登录管理后台</title>
    <link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.3.0/css/bootstrap.min.css" rel="stylesheet">
    <link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/bootstrap-icons/1.10.0/font/bootstrap-icons.css">
    <style>
        .login-container { max-width: 400px; margin-top: 100px; }
        .login-card { border: none; box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15); }
    </style>
</head>
<body class="bg-light">
    <div class="container">
        <div class="login-container mx-auto">
            <div class="card login-card">
                <div class="card-body p-4">
                    <h3 class="text-center mb-4"><i class="bi bi-graph-up"></i> 无名港美股监控系统</h3>
                    
                                        
                    <form method="post" action="?action=login">
                        <div class="mb-3">
                            <label for="username" class="form-label">用户名</label>
                            <input type="text" class="form-control" id="username" name="username" required>
                        </div>
                        
                        <div class="mb-3">
                            <label for="password" class="form-label">密码</label>
                            <input type="password" class="form-control" id="password" name="password" required>
                        </div>
                        
                        <button type="submit" class="btn btn-primary w-100"><i class="bi bi-box-arrow-in-right"></i> 登录</button>
                    </form>
                </div>
            </div>
        </div>
    </div>

    <script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.3.0/js/bootstrap.bundle.min.js"></script>
</body>
</html>