.content {
            max-width: 800px;
            margin: 0 auto;
            background-color: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }

        .popup-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 9998;
        }

        .popup-content {
            display: none;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 0 15px rgba(0, 0, 0, 0.3);
            z-index: 9999;
            width: 100%;
            max-width: 400px;
            box-sizing: border-box;
        }

        h2 {
            text-align: center;
            color: #333;
        }

        label {
            display: block;
            margin-bottom: 5px;
            color: #555;
        }

        input[type="text"],
        input[type="email"] {
            width: 100%;
            padding: 10px;
            margin-bottom: 15px;
            border: 1px solid #ccc;
            border-radius: 5px;
            box-sizing: border-box;
            color: black;
        }
        input[type="submit"],
        .register-btn,
        .resend-email-btn,
        .close-popup-btn {
            width: 100%;
            padding: 10px;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            box-sizing: border-box;
        }

        input[type="submit"]:hover,
        .register-btn:hover {
            background-color: #45a049;
        }

        .resend-email-btn:hover {
            background-color: #45a049;
        }

        .close-popup-btn:hover {
            background-color: #9e2c2c;
        }

        .close-popup-btn {
            background-color: #ff4f4f;
            margin-top: 10px;
        }

        .response-message {
            text-align: center;
            color: #333;
            font-size: 20px;
            margin-bottom: 20px;
            display: none;
        }

        /* Spinner */

        .spinner {
            display: none;
            margin: 0 auto;
            border: 4px solid #f3f3f3;
            border-top: 4px solid #4CAF50;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }

        /* Media Queries pentru telefoane */

        @media (max-width: 768px) {
            .popup-content {
                width: 90%;
                max-width: 100%;
                padding: 15px;
            }
            input[type="submit"],
            .register-btn,
            .resend-email-btn,
            .close-popup-btn {
                font-size: 14px;
                padding: 8px;
            }
        }