<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1"> <!-- makes it responsive -->
    <title>CSR System</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <style>
        body {
            background-color: #f8f9fa;
        }
        .navbar-brand {
            font-weight: bold;
        }
        .card {
            max-width: 500px;
            margin: auto;
        }
    </style>
</head>
<body>
    <!-- Navigation -->
    <nav class="navbar navbar-expand-lg navbar-dark bg-primary">
        <div class="container">
            <a class="navbar-brand" href="index.php">Classic Sales Report System</a>
            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
                <span class="navbar-toggler-icon"></span>
            </button>
            <div class="collapse navbar-collapse" id="navbarNav">
                <ul class="navbar-nav ms-auto">
                    <li class="nav-item"><a class="nav-link" href="admin_register.php">Register</a></li>
                    <li class="nav-item"><a class="nav-link" href="admin_login.php">Login</a></li>
                </ul>
            </div>
        </div>
    </nav>

    <!-- Page Content -->
    <div class="container my-4">
