html, body {
  margin: 0;
  height: 100%;
  font-family: Inter, Arial, sans-serif;
  background: #f3f4f6;
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card {
  width: 100%;
  max-width: 420px;
  background: white;
  padding: 28px;
  border-radius: 14px;
  box-shadow: 0 20px 40px rgba(0,0,0,.12);
}

input, button {
  width: 100%;
  margin-top: 10px;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #ccc;
}

button {
  background: #2563eb;
  color: white;
  border: none;
  cursor: pointer;
}

#ticketError {
  color: red;
  display: none;
  font-size: 12px;
}