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

body.nm-newsletter-page {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif !important;
    background-color: #f0f0f0 !important;
    padding: 40px 20px !important;
    line-height: 1.6 !important;
}

.nm-container {
    max-width: 500px !important;
    margin: 0 auto !important;
    background-color: #ffffff !important;
    border: 1px solid #ddd !important;
    border-radius: 3px !important;
    padding: 40px !important;
}

h1 {
    font-size: 24px !important;
    color: #333 !important;
    margin-bottom: 10px !important;
    font-weight: 600 !important;
}

.nm-subtitle {
    color: #666 !important;
    margin-bottom: 25px !important;
    font-size: 14px !important;
}

label {
    display: block !important;
    color: #333 !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    margin-bottom: 8px !important;
}

input[type="text"],
input[type="email"] {
    width: 100% !important;
    padding: 10px !important;
    border: 1px solid #ddd !important;
    border-radius: 3px !important;
    font-size: 14px !important;
    margin-bottom: 20px !important;
    transition: border-color 0.2s !important;
}

input[type="text"]:focus,
input[type="email"]:focus {
    outline: none !important;
    border-color: #0073aa !important;
}

button {
    background-color: #0073aa !important;
    color: #ffffff !important;
    border: none !important;
    padding: 12px 24px !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    border-radius: 3px !important;
    cursor: pointer !important;
    transition: background-color 0.2s !important;
}

button:hover {
    background-color: #005a87 !important;
}

button:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
}

.nm-message {
    margin-top: 20px !important;
    padding: 12px !important;
    border-radius: 3px !important;
    font-size: 14px !important;
}

.nm-message.success {
    background-color: #d5f4e6 !important;
    border-left: 4px solid #00a32a !important;
    color: #003010 !important;
}

.nm-message.error {
    background-color: #f6e7e9 !important;
    border-left: 4px solid #d63638 !important;
    color: #3c1518 !important;
}

.nm-footer-text {
    margin-top: 20px !important;
    font-size: 12px !important;
    color: #999 !important;
}

@media (max-width: 600px) {
    body.nm-newsletter-page {
        padding: 20px 10px !important;
    }
    
    .nm-container {
        padding: 30px 20px !important;
    }
}