/* Reset & global styles, dark theme */
body { background:#000; color:#fff; font-family:... }
.container { max-width:1200px; margin:0 auto; display:flex; }
.main-feed { flex:1; border-left:1px solid #2f3336; border-right:1px solid #2f3336; }
.post-box { padding:16px; border-bottom:1px solid #2f3336; }
.post { padding:16px; border-bottom:1px solid #2f3336; }
.avatar { width:48px; height:48px; border-radius:50%; }
.post-actions button, .post-actions a { background:none; border:none; color:#71767b; cursor:pointer; }
.comments { padding-left:48px; }
.admin-panel { width:250px; background:#16181c; }
/* ... full styles */