/* Card-capture iframe styles. Served same-origin (CSP style-src 'self'). */
:root { font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; padding: 14px; background: #fff; color: #0b0e14; }
form { display: grid; gap: 10px; }
label { font-size: 12px; color: #5b6675; }
input {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid #d2d8e0;
  border-radius: 8px;
  font-size: 15px;
  outline: none;
  transition: border-color .12s, box-shadow .12s;
}
input:focus { border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,.18); }
#pan { letter-spacing: .04em; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }