:root {
  color-scheme: light;
  font-family:
    "Noto Sans SC",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 20% 10%, #f0f4ff 0, transparent 40%),
    radial-gradient(circle at 80% 90%, #eefaf5 0, transparent 35%),
    #f7f8fb;
  color: #1f2937;
}

.card {
  width: min(92vw, 380px);
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 26px 22px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

h1 {
  margin: 0 0 6px;
  font-size: 22px;
}

.desc {
  margin: 0 0 16px;
  font-size: 13px;
  color: #4b5563;
}

label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  color: #374151;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  margin-top: 6px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 10px 11px;
  font-size: 14px;
  outline: none;
}

input[type="text"]:focus,
input[type="password"]:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.remember {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.remember input {
  width: 16px;
  height: 16px;
}

button {
  width: 100%;
  margin-top: 16px;
  border: 0;
  border-radius: 8px;
  padding: 11px 12px;
  background: #111827;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  background: #030712;
}

.notice {
  margin: 0 0 12px;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
}

.notice-error {
  color: #991b1b;
  background: #fee2e2;
  border: 1px solid #fecaca;
}