:root{ --bg:#0b0f19; --card:#0f1629; }

body{ background: linear-gradient(180deg,#f6f7fb,#ffffff); }

.tool-card, .card{ border-radius: 16px; }

.navbar{ backdrop-filter: blur(8px); }

@media (max-width:576px){
  .tool-card .card-footer .btn{ padding:.85rem 1rem; font-size:1.02rem; }
}