body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
    margin: 0;
    padding: 0;
    color: #333;
}
header {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
}
main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}
#post-form-section {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}
#blog-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
#blog-form input, #blog-form textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}
#blog-form textarea {
    height: 150px;
    resize: vertical;
}
#blog-form button {
    background-color: #27ae60;
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background 0.3s;
}
#blog-form button:hover {
    background-color: #219150;
}
#posts-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.post-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    border-right: 5px solid #2c3e50;
}
.post-card h3 {
    margin-top: 0;
    color: #2c3e50;
}
.post-card .post-meta {
    font-size: 0.85rem;
    color: #777;
    margin-bottom: 1rem;
}
.post-card p {
    line-height: 1.6;
}