* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: Arial, sans-serif;
            background: linear-gradient(135deg, #4CAF50, #2E7D32);
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            color: #fff;
        }

        .register-container {
            background: #ffffff;
            color: #2E7D32;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            width: 100%;
            max-width: 400px;
            text-align: center;
        }

        .register-container h1 {
            margin-bottom: 20px;
            font-size: 24px;
        }

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

        .register-container input[type="text"],
        .register-container input[type="password"] {
            padding: 10px;
            font-size: 16px;
            border: 1px solid #ddd;
            border-radius: 5px;
            width: 100%;
            text-align: right;
        }

        .register-container input[type="text"] {
            text-align: right; /* برای راست‌چین بودن شماره موبایل */
        }

        .register-container button {
            padding: 10px;
            font-size: 16px;
            background-color: #4CAF50;
            border: none;
            color: #fff;
            border-radius: 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .register-container button:hover {
            background-color: #2E7D32;
        }

        .register-container .login-link {
            margin-top: 15px;
            font-size: 14px;
        }

        .register-container .login-link a {
            color: #4CAF50;
            text-decoration: none;
            font-weight: bold;
            transition: color 0.3s;
        }

        .register-container .login-link a:hover {
            color: #2E7D32;
        }

        .success-message {
            color: green;
            font-size: 16px;
            margin-bottom: 10px;
        }

        .progress-bar {
            width: 0;
            height: 5px;
            background-color: #4CAF50;
            margin-top: 20px;
            transition: width 2s ease-in-out;
        }

        @media (max-width: 768px) {
            .register-container {
                padding: 20px;
            }

            .register-container h1 {
                font-size: 20px;
            }
        }

        @media (max-width: 480px) {
            .register-container {
                width: 90%;
            }
        }
        .progress-bar {
            width: 0;
            height: 5px;
            background-color: #4CAF50;
            display: none;
        }