body {
    background-color: #f0f2f5;
}

.newsletter-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 40px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.newsletter-header {
    text-align: center;
    padding-bottom: 30px;
    border-bottom: 1px solid #e9ecef;
    margin-bottom: 30px;
}

.newsletter-header .logo {
    max-width: 250px;
    margin-bottom: 20px;
}

.newsletter-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #343a40;
    margin-bottom: 10px;
}

.newsletter-header .publication-date {
    font-size: 1rem;
    color: #6c757d;
    margin-bottom: 20px;
}

.share-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.share-buttons span {
    font-size: 0.9rem;
    color: #6c757d;
    font-weight: 500;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: #ffffff;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.share-btn:hover {
    opacity: 0.85;
}

.share-btn.twitter { background-color: #1DA1F2; }
.share-btn.facebook { background-color: #1877F2; }
.share-btn.linkedin { background-color: #0A66C2; }
.share-btn.email { background-color: #7f8c8d; }

.newsletter-content {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #343a40;
}

/* Basic styling for content from TinyMCE */
.newsletter-content h1,
.newsletter-content h2,
.newsletter-content h3 {
    margin-top: 1.5em;
    margin-bottom: 0.8em;
    font-weight: 600;
}

.newsletter-content p {
    margin-bottom: 1.2em;
}

.newsletter-content a {
    color: #007bff;
    text-decoration: underline;
}

.newsletter-content ul,
.newsletter-content ol {
    padding-left: 2em;
    margin-bottom: 1.2em;
}

.newsletter-content blockquote {
    border-left: 4px solid #e9ecef;
    padding-left: 1em;
    margin-left: 0;
    font-style: italic;
    color: #6c757d;
}