:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #eeedf3;
  background: #101018;
}
* { box-sizing: border-box; }
body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 32px 20px;
  background: radial-gradient(ellipse at 50% 0%, #2b293f 0, transparent 65%), #101018;
}
.login-card {
  width: min(100%, 390px);
  padding: 38px 32px 30px;
  border: 1px solid #ffffff13;
  border-radius: 24px;
  background: #ffffff04;
  box-shadow: 0 24px 80px #00000026;
  text-align: center;
}
.moon {
  width: 37px;
  height: 37px;
  margin: 0 auto 29px;
  border-radius: 50%;
  box-shadow: -9px 6px 0 0 #ded8f4;
  transform: translateX(5px) rotate(-12deg);
}
.eyebrow { color: #aaa3bf; font-size: 12px; letter-spacing: 3px; }
h1 { margin: 12px 0; font-size: 34px; font-weight: 500; letter-spacing: 8px; text-indent: 8px; }
.intro { color: #aaa6b7; margin: 0 0 34px; font-size: 14px; line-height: 1.7; }
form { text-align: left; }
label { display: block; margin-bottom: 10px; color: #cfccd9; font-size: 13px; }
input[type="password"] {
  width: 100%;
  min-height: 48px;
  padding: 13px 14px;
  border: 1px solid #ffffff25;
  border-radius: 10px;
  background: #08081066;
  color: #fff;
  font: inherit;
  font-size: 16px;
  transition: border-color .15s, box-shadow .15s;
}
input::placeholder { color: #797383; }
input:focus-visible { outline: none; border-color: #b9addb; box-shadow: 0 0 0 3px #b9addb22; }
input[aria-invalid="true"] { border-color: #e7a3a3; }
button {
  width: 100%;
  min-height: 47px;
  margin-top: 18px;
  border: 0;
  border-radius: 10px;
  background: #ded8ee;
  color: #292434;
  font: inherit;
  font-size: 15px;
  cursor: pointer;
}
button:hover { background: #efe9ff; }
button:focus-visible { outline: 2px solid #dcd3f5; outline-offset: 4px; }
.error { color: #f0aaaa; font-size: 13px; line-height: 1.6; margin: 10px 0 0; }
.remember { color: #a29baa; font-size: 12px; line-height: 1.7; margin: 24px 0 0; }
@media (max-width: 400px) { .login-card { padding: 34px 24px 26px; } }