body {
  background:#000;
  color:#fff;
  font-family: Arial, sans-serif;
  margin:0;
}

.card {
  max-width:420px;
  margin:40px auto;
  background:#111;
  padding:25px;
  border-radius:16px;
  text-align:center;
}

input, textarea {
  width:100%;
  padding:10px;
  margin-bottom:12px;
  border-radius:8px;
  border:none;
}

.file {
  display:block;
  background:silver;
  color:#000;
  padding:12px;
  border-radius:30px;
  margin-bottom:12px;
  cursor:pointer;
}

.file input { display:none; }

button {
  width:100%;
  padding:14px;
  border:none;
  border-radius:30px;
  background:#fff;
  font-weight:bold;
}

.ok {
  margin-top:15px;
  color:#0f0;
}

.wall {
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:15px;
  padding:20px;
}

.item {
  background:#111;
  padding:15px;
  border-radius:12px;
}

.item img {
  width:100%;
  border-radius:10px;
}
