body { font-family: sans-serif; line-height: 1.6; margin: 0; background: #f4f4f4; color: #333; }
.container { width: 90%; max-width: 1100px; margin: auto; overflow: hidden; padding: 20px; }
header { background: #333; color: #fff; padding: 20px 0; border-bottom: 3px solid #00aaff; }
header a { color: #fff; text-decoration: none; text-transform: uppercase; font-size: 16px; }
header ul { padding: 0; list-style: none; text-align: right; }
header li { display: inline; margin-left: 20px; }
.site-branding { float: left; }
.site-branding h1 { margin: 0; }

/* Grid for Main + Sidebar */
.content-area { display: flex; flex-wrap: wrap; margin-top: 20px; }
.main-col { flex: 3; background: #fff; padding: 20px; margin-right: 20px; }
.sidebar-col { flex: 1; background: #fff; padding: 20px; height: fit-content; }

/* Posts */
.blog-post { margin-bottom: 30px; border-bottom: 1px solid #ccc; padding-bottom: 20px; }
.blog-post h2 a { text-decoration: none; color: #333; }
.meta { color: #777; font-size: 0.9em; margin-bottom: 10px; }
.btn { display: inline-block; background: #00aaff; color: #fff; padding: 10px 15px; text-decoration: none; margin-top: 10px; }

/* Comments */
.comments-section { margin-top: 40px; border-top: 2px solid #eee; padding-top: 20px; }
.comment { background: #f9f9f9; padding: 15px; margin-bottom: 15px; border-left: 4px solid #00aaff; }
.comment-form input, .comment-form textarea { width: 100%; padding: 10px; margin-bottom: 10px; border: 1px solid #ddd; }
.comment-form button { background: #333; color: #fff; border: 0; padding: 10px 20px; cursor: pointer; }

/* Responsive */
@media(max-width: 768px) {
    .content-area { flex-direction: column; }
    .main-col { margin-right: 0; margin-bottom: 20px; }
    header ul { text-align: center; }
    .site-branding { float: none; text-align: center; margin-bottom: 10px; }
}