:root{
  --card-bg: #ffffff;
  --muted: #6c757d;
}

body{
  background: linear-gradient(180deg,#f8fafc, #eef2f6);
  color: #212529;
}

#preview img{
  max-width: 140px;
  max-height: 90px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(0,0,0,0.08);
}