:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #171717;
  background: #f4f5f7;
}
* { box-sizing: border-box; }
body { margin: 0; }
.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 18px;
}
.card {
  width: min(100%, 520px);
  background: white;
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 18px 55px rgba(0,0,0,.08);
}
.brand {
  font-size: 12px;
  letter-spacing: .18em;
  font-weight: 800;
}
h1 { margin: 8px 0 2px; font-size: 28px; }
.location { margin-top: 0; color: #777; }
.status-row {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 22px 0;
  font-weight: 650;
}
.dot { width: 10px; height: 10px; border-radius: 50%; background: #aaa; }
.dot.ok { background: #1f9d55; }
.facts, .live {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 10px;
  margin-bottom: 24px;
}
.facts div, .live div {
  background: #f7f7f8;
  border-radius: 14px;
  padding: 14px;
}
.facts span, .live span {
  display: block;
  color: #777;
  font-size: 12px;
  margin-bottom: 5px;
}
.facts strong, .live strong { font-size: 16px; }
.live { grid-template-columns: repeat(2,1fr); }
#payment-element { margin: 14px 0 18px; }
button {
  width: 100%;
  border: 0;
  border-radius: 13px;
  padding: 15px;
  font-size: 16px;
  font-weight: 750;
  cursor: pointer;
  background: #171717;
  color: white;
}
button:disabled { opacity: .45; cursor: default; }
button.secondary { background: #ededee; color: #171717; }
.hold { font-weight: 650; }
.fine, .message { color: #6b6b6b; font-size: 13px; line-height: 1.45; }
.message.error { color: #b42318; }
.hidden { display: none; }
@media (max-width: 440px) {
  .card { padding: 22px 18px; border-radius: 18px; }
  .facts { grid-template-columns: 1fr; }
}