/* Status Message Colors */
    .status-checking {
        color: #007bff; /* Standard Blue for "Checking" */
        font-style: italic;
        font-size: 0.85rem;
    }

    .status-available {
        color: #28a745; /* Green for "Available" */
        font-weight: bold;
        font-size: 0.9rem;
    }

    .status-taken {
        color: #dc3545; /* Red for "Already Registered" or Invalid Format */
        font-weight: bold;
        font-size: 0.9rem;
    }

    .status-warning {
        color: #ffc107; /* Orange/Yellow for unexpected server errors */
    }

    /* Input Border Colors (Applies a border color to the input field itself) */
    .email-input-valid {
        border-color: #28a745 !important;
    }

    .email-input-invalid {
        border-color: #dc3545 !important;
    }