#ez2_msw_subdomain_field {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
}

#ez2_msw_subdomain_field h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #2c3e50;
    font-size: 18px;
    font-weight: 600;
}

#ez2_msw_subdomain_field .form-row {
    margin-bottom: 10px;
}

#ez2_msw_subdomain_field input[type="text"] {
    border: 2px solid #e9ecef;
    border-radius: 6px;
    padding: 12px 15px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

#ez2_msw_subdomain_field input[type="text"]:focus {
    border-color: #007cba;
    box-shadow: 0 0 0 1px #007cba;
    outline: none;
}

#ez2_msw_subdomain_status {
    font-size: 14px;
    font-weight: 500;
    padding: 8px 0;
}

#ez2_msw_subdomain_preview {
    background: #e7f3ff;
    border: 1px solid #b3d9ff;
    border-radius: 4px;
    padding: 10px;
    margin-top: 10px;
}

.ez2-msw-domain-preview {
    font-family: 'Courier New', monospace;
    background: #2c3e50;
    color: #ecf0f1;
    padding: 8px 12px;
    border-radius: 4px;
    display: inline-block;
    margin-top: 5px;
}

/* 響應式設計 */
@media (max-width: 768px) {
    #ez2_msw_subdomain_field {
        padding: 15px;
        margin: 15px 0;
    }
    
    #ez2_msw_subdomain_field h3 {
        font-size: 16px;
    }
    
    #ez2_msw_subdomain_field input[type="text"] {
        padding: 10px 12px;
        font-size: 14px;
    }
}