body{margin:0;font-family:Arial,sans-serif;display:flex;height:100vh;background:#121212;color:#eee}.sidebar{width:240px;background:#181818;padding:10px;overflow-y:auto;border-right:1px solid #333}.sidebar h3{margin:10px 0 5px}.sidebar button,.sidebar select{margin:4px 0;width:100%;padding:5px;border:none;background:#333;color:#eee;cursor:pointer;border-radius:4px}.sidebar button:hover{background:#444}.sub-item{padding:4px;cursor:pointer;border-radius:4px}.sub-item:hover{background:#333}#main{flex:1;display:flex;flex-direction:column}#topbar{display:flex;padding:10px;background:#181818;border-bottom:1px solid #333}#subInput{flex:1;padding:6px;margin-right:8px;border:none;border-radius:4px}#loadBtn{padding:6px 10px;border:none;background:#444;color:#eee;cursor:pointer;border-radius:4px}#posts{flex:1;overflow-y:auto;padding:20px}#posts.list{display:flex;flex-direction:column;gap:12px}#posts.masonry{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}#posts.masonry .post{break-inside:avoid}.post{background:#1a1a1a;border-radius:8px;padding:12px}.post h3{margin:0 0 6px;font-size:16px;display:flex;align-items:center;justify-content:space-between}.post h3 a{color:#58a6ff;text-decoration:none;flex:1}.post h3 a:hover{text-decoration:underline}.meta{font-size:12px;color:#aaa;margin-bottom:8px}img.thumb,video{max-width:100%;border-radius:6px}.fav-btn{cursor:pointer;font-size:18px;margin-left:8px;color:gold;flex-shrink:0}.download-btn{margin-top:6px;padding:4px 6px;background:#444;border:none;color:#fff;border-radius:4px;cursor:pointer}.download-btn:hover{background:#666}