:root {
  color-scheme: light;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f5f7fa;
  color: #14181f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
  padding: 40px 32px;
  border: 1px solid #e5e9ef;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 45px rgb(25 35 52 / 8%);
  text-align: center;
}

.login-mark {
  display: grid;
  width: 52px;
  height: 52px;
  margin: 0 auto 20px;
  place-items: center;
  border-radius: 8px;
  background: #111827;
  color: #fff;
  font-weight: 700;
}

.eyebrow {
  margin: 0 0 8px;
  color: #64748b;
  font-size: 13px;
}

h1 {
  margin: 0;
  font-size: 25px;
  letter-spacing: 0;
}

.description {
  margin: 18px 0 26px;
  color: #586273;
  font-size: 14px;
  line-height: 1.7;
}

.wechat-login {
  display: flex;
  width: 100%;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 6px;
  background: #07c160;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
}

.admin-login-form {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
  text-align: left;
}

.admin-login-form label {
  color: #334155;
  font-size: 13px;
  font-weight: 600;
}

.admin-login-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.admin-login-row input,
.admin-login-row button {
  min-height: 44px;
  border-radius: 6px;
  font: inherit;
}

.admin-login-row input {
  width: 100%;
  border: 1px solid #cbd5e1;
  padding: 0 12px;
  color: #111827;
}

.admin-login-row button {
  border: 0;
  padding: 0 16px;
  background: #111827;
  color: #fff;
  cursor: pointer;
  font-weight: 600;
}

.admin-login-row button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.admin-status {
  margin-top: 2px;
  text-align: left;
}

.login-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  color: #94a3b8;
  font-size: 12px;
}

.login-divider::before,
.login-divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: #e2e8f0;
}

.wechat-login:disabled {
  cursor: wait;
  opacity: 0.72;
}

.qr-panel {
  display: grid;
  justify-items: center;
  gap: 12px;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid #e5e9ef;
  border-radius: 8px;
  background: #f8fafc;
}

.qr-panel[hidden] {
  display: none;
}

.qr-panel img {
  width: 220px;
  height: 220px;
  border-radius: 6px;
  background: #fff;
}

.direct-login {
  display: inline-flex;
  margin-top: 14px;
  color: #475569;
  font-size: 12px;
  text-decoration: none;
}

.direct-login:hover {
  color: #111827;
}

.hint {
  margin: 16px 0 0;
  color: #8a94a3;
  font-size: 12px;
}

@media (max-width: 520px) {
  .admin-login-row {
    grid-template-columns: 1fr;
  }

  .login-panel {
    padding: 32px 22px;
  }
}