body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', sans-serif;
            background-color: #1a1a1a;
            color: #f8f9fa;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            box-sizing: border-box;
        }

        .wrapper {
            width: 100%;
            padding: 20px;
            box-sizing: border-box;
        }

        .form-container {
            background-color: #2b2b2b;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
            max-width: 450px;
            margin: 0 auto;
            text-align: center;
        }

        .form-title {
            margin-bottom: 30px;
            color: #0dcaf0;
            font-size: 2em;
        }

        .input-group {
            margin-bottom: 20px;
            text-align: left;
        }

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
            color: #f0f0f0;
        }

        .form-input {
            width: 100%;
            padding: 12px 18px;
            border: 1px solid #555;
            border-radius: 25px;
            background-color: #3a3a3a;
            color: #f8f9fa;
            box-sizing: border-box;
            font-size: 1em;
        }

        .form-input:focus {
            outline: none;
            border-color: #0d6efd;
            box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.4);
        }

        .form-button {
            display: block;
            width: 100%;
            padding: 14px 20px;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            font-size: 1.1em;
            font-weight: bold;
            margin-top: 25px;
            transition: background-color 0.5s ease, box-shadow 0.5s ease;
        }

        .primary-button {
            background-color: #0d6efd;
            color: white;
        }

        .primary-button:hover {
            background-color: #0b5ed7;
            box-shadow: 0 4px 10px rgba(13, 110, 253, 0.4);
        }

        .success-button {
            background-color: #198754;
            color: white;
        }

        .success-button:hover {
            background-color: #157347;
            box-shadow: 0 4px 10px rgba(25, 135, 84, 0.4);
        }

        .toggle-area {
            margin-top: 30px;
            font-size: 0.95em;
            color: #ccc;
        }

        .toggle-link {
            color: #0dcaf0;
            text-decoration: none;
            font-weight: bold;
            transition: color 0.3s ease, text-decoration 0.3s ease;
        }

        .toggle-link:hover {
            color: #0aa7d0;
            text-decoration: underline;
        }

        .message-box {
            margin-top: 20px;
            padding: 12px;
            border-radius: 8px;
            font-weight: bold;
            text-align: center;
            font-size: 0.95em;
        }

        .message-success {
            background-color: rgba(25, 135, 84, 0.2);
            color: #198754;
            border: 1px solid #198754;
        }

        .message-danger {
            background-color: rgba(220, 53, 69, 0.2);
            color: #dc3545;
            border: 1px solid #dc3545;
        }

        @media (max-width: 600px) {
            .form-container {
                padding: 20px;
                border-radius: 10px;
            }

            .form-title {
                font-size: 1.8em;
                margin-bottom: 25px;
            }

            .form-input,
            .form-button {
                padding: 10px 15px;
                font-size: 1em;
            }

            .toggle-area {
                margin-top: 25px;
                font-size: 0.9em;
            }

            .message-box {
                padding: 10px;
                font-size: 0.9em;
            }
        }