/* The login, PIN and message pages: one dark card in the middle of the page,
   as the PHP site's three inline stylesheets drew them. */
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: #0f1115;
  color: #e6e8eb;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
form {
  width: 100%;
  max-width: 320px;
  padding: 28px 24px;
  background: #171a21;
  border: 1px solid #2a2f3a;
  border-radius: 12px;
}
h1 { font-size: 18px; margin: 0 0 20px; text-align: center; }
input {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
  background: #0f1115;
  border: 1px solid #2a2f3a;
  border-radius: 8px;
  color: #e6e8eb;
  font-size: 15px;
}
button {
  width: 100%;
  padding: 12px;
  background: #4a90d9;
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 15px;
  cursor: pointer;
}
.error { color: #d9534f; font-size: 13px; margin-bottom: 12px; text-align: center; }

/* PIN form */
.pin form { text-align: center; }
.pin h1 { font-size: 17px; margin: 0 0 10px; }
.pin p { font-size: 13px; color: #8891a0; margin: 0 0 18px; }
.pin input { font-size: 22px; text-align: center; letter-spacing: 6px; margin-bottom: 14px; }

/* message page */
.message { text-align: center; }
.message h1 { margin: 0 0 8px; }
.message p { color: #8891a0; font-size: 14px; }