body {
            font-family: Arial, sans-serif;
            background: #f3f3f3;
            text-align: center;
            padding: 50px;
        }

        .btn-primary {
            padding: 12px 30px;
            background: #ff0000;
            color: white;
            border: none;
            cursor: pointer;
            border-radius: 5px;
            text-decoration: none;
            transition: 0.4s;
        }

        .btn-primary:hover {
            background: #b30000;
        }

        .modal {
            display: none;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 400px;
            background: #ffffff;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.7);
            z-index: 9999;
        }

        .modal-content {
            text-align: center;
        }

        .close-btn {
            position: absolute;
            top: 10px;
            right: 20px;
            font-size: 25px;
            cursor: pointer;
            color: red;
        }

        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        input, select {
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 8px;
        }

        button {
            padding: 10px;
            background: #ff0000;
            color: white;
            border: none;
            cursor: pointer;
            border-radius: 8px;
            transition: 0.4s;
        }

        button:hover {
            background: #b30000;
        }