body{margin:0;background:#000;color:#fff;font-family:Inter,Arial}
.layout{display:flex;min-height:100vh}
.sidebar{width:220px;background:#0f0f0f;padding:20px;display:flex;flex-direction:column;gap:15px}
.sidebar a{color:#aaa;text-decoration:none}
.sidebar a:hover{color:#fff}
.content{flex:1;padding:30px;max-width:700px;margin:auto}
.card{background:#111;padding:20px;border-radius:12px;margin-bottom:20px}
textarea,input{width:100%;background:#1a1a1a;border:1px solid #222;color:#fff;padding:10px;border-radius:8px;margin-top:10px}
button{background:#fff;color:#000;border:none;padding:8px 16px;border-radius:20px;margin-top:10px;cursor:pointer}
.post img{width:100%;border-radius:10px;margin-top:10px}
.avatar{width:120px;height:120px;border-radius:50%;object-fit:cover}
@media(max-width:900px){
.layout{flex-direction:column}
.sidebar{width:100%;flex-direction:row;justify-content:space-around}
}