/* General Body Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    line-height: 1.7;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #212529;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header and Navigation */
header {
    padding: 2rem 0;
    text-align: center;
    width: 100%;
    border-bottom: 1px solid #dee2e6;
    margin-bottom: 2rem;
}

header nav a {
    color: #212529;
    text-decoration: none;
    margin: 0 20px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: color 0.2s ease-in-out;
}

header nav a:hover {
    color: #007bff;
}

/* Main Content Area */
main {
    visibility: hidden; /* Initially hidden to prevent flicker */
    width: 90%;
    max-width: 720px;
    margin: 0 auto 2rem auto;
    padding: 2rem;
    background-color: #fff;
    border: 1px solid #dee2e6;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    flex-grow: 1;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-top: 0;
    margin-bottom: 1.5rem;
}

/* Blog Post Specifics */
article .meta {
    color: #6c757d;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #dee2e6;
    padding-bottom: 1rem;
}

/* Post List */
#post-list {
    list-style-type: none;
    padding: 0;
}

#post-list li {
    margin-bottom: 1.5rem;
}

#post-list a {
    text-decoration: none;
    color: #007bff;
    font-size: 1.3rem;
    font-weight: 600;
    transition: color 0.2s ease-in-out;
}

#post-list a:hover {
    color: #0056b3;
    text-decoration: underline;
}