[hidden] { display: none !important; }
.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  box-sizing: border-box;
  background: #f5f6fa;
  color: #1a1a2e;
  font-family: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.auth-card {
  width: min(390px, 100%);
  padding: 34px;
  box-sizing: border-box;
  background: #fff;
  border: 1px solid #e4e7f0;
  border-radius: 16px;
  box-shadow: 0 18px 50px rgba(48, 63, 132, .12);
}
.auth-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 14px;
  background: #4361ee;
  color: #fff;
  font-size: 25px;
  font-weight: 800;
}
.auth-card h1 { margin: 0 0 8px; font-size: 25px; }
.auth-card p { margin: 0 0 22px; color: #68708b; font-size: 14px; line-height: 1.7; }
.auth-card label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 700; }
.auth-card input {
  width: 100%;
  padding: 12px 13px;
  box-sizing: border-box;
  border: 1px solid #cbd1e1;
  border-radius: 9px;
  font-size: 17px;
  outline: none;
}
.auth-card input:focus { border-color: #4361ee; box-shadow: 0 0 0 3px rgba(67, 97, 238, .13); }
.auth-submit {
  width: 100%;
  margin-top: 13px;
  padding: 12px;
  border: 0;
  border-radius: 9px;
  background: #4361ee;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}
.auth-submit:disabled { opacity: .55; cursor: wait; }
.auth-error { min-height: 20px; margin-top: 10px; color: #b42318; font-size: 13px; }
@media (max-width: 520px) {
  .auth-card { padding: 26px 22px; }
}