:root {
  color-scheme: light;
  --login-bg: #edf3f0;
  --login-panel: #ffffff;
  --login-ink: #17231f;
  --login-muted: #66766f;
  --login-line: #d5dfda;
  --login-green: #176b50;
  --login-green-dark: #0d4b37;
  --login-danger: #b42318;
  --login-focus: rgba(23, 107, 80, 0.2);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--login-bg);
}

body {
  min-width: 0;
  min-height: 100%;
  margin: 0;
  background: var(--login-bg);
  color: var(--login-ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

.login-page {
  display: grid;
  min-height: 100vh;
  min-height: 100dvh;
  place-items: center;
  padding: max(20px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

.login-shell {
  display: grid;
  width: min(100%, 880px);
  overflow: hidden;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  border: 1px solid var(--login-line);
  border-radius: 18px;
  background: var(--login-panel);
  box-shadow: 0 18px 50px rgba(28, 54, 45, 0.12);
}

.login-brand {
  display: flex;
  min-height: 500px;
  flex-direction: column;
  justify-content: space-between;
  background: var(--login-green-dark);
  color: #ffffff;
  padding: 42px 38px 34px;
}

.brand-mark {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  font-family: "STSong", "SimSun", serif;
  font-size: 28px;
  font-weight: 700;
}

.brand-kicker,
.login-eyebrow {
  margin: 0 0 10px;
  color: #8fd8b8;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.login-brand h1 {
  margin: 0;
  font-family: "STSong", "SimSun", serif;
  font-size: clamp(30px, 4vw, 40px);
  line-height: 1.3;
  letter-spacing: 0.04em;
}

.brand-copy {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.brand-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
}

.brand-status i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #70d3a9;
  box-shadow: 0 0 0 4px rgba(112, 211, 169, 0.12);
}

.login-panel {
  display: flex;
  min-height: 500px;
  flex-direction: column;
  justify-content: center;
  padding: 48px;
}

.login-heading h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.3;
}

.login-heading > p:last-child {
  margin: 10px 0 0;
  color: var(--login-muted);
  font-size: 14px;
  line-height: 1.7;
}

.login-form {
  margin-top: 30px;
}

.login-form > label {
  display: block;
  margin-bottom: 9px;
  font-size: 14px;
  font-weight: 700;
}

.password-field {
  position: relative;
}

.password-field input {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--login-line);
  border-radius: 10px;
  background: #ffffff;
  color: var(--login-ink);
  padding: 0 74px 0 14px;
  font-size: 16px;
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.password-field input:focus-visible {
  border-color: var(--login-green);
  box-shadow: 0 0 0 4px var(--login-focus);
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 8px;
  min-width: 54px;
  min-height: 36px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--login-green);
  cursor: pointer;
  transform: translateY(-50%);
}

.password-toggle:focus-visible,
.login-button:focus-visible {
  outline: 3px solid var(--login-focus);
  outline-offset: 2px;
}

.login-message {
  min-height: 22px;
  margin: 8px 0 6px;
  color: var(--login-danger);
  font-size: 13px;
  line-height: 1.6;
}

.login-button {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--login-green);
  border-radius: 10px;
  background: var(--login-green);
  color: #ffffff;
  cursor: pointer;
  font-size: 16px;
  font-weight: 800;
  transition: background-color 160ms ease, border-color 160ms ease, transform 80ms ease;
  touch-action: manipulation;
}

.login-button:hover {
  border-color: var(--login-green-dark);
  background: var(--login-green-dark);
}

.login-button:active {
  transform: translateY(1px);
}

.login-button:disabled {
  cursor: wait;
  opacity: 0.66;
}

.privacy-note {
  margin: 24px 0 0;
  border-top: 1px solid #e5ebe7;
  color: var(--login-muted);
  padding-top: 18px;
  font-size: 12px;
  line-height: 1.7;
}

@media (max-width: 700px) {
  .login-page {
    place-items: start center;
    padding-top: max(14px, env(safe-area-inset-top));
  }

  .login-shell {
    grid-template-columns: 1fr;
    border-radius: 14px;
    box-shadow: 0 12px 32px rgba(28, 54, 45, 0.1);
  }

  .login-brand {
    min-height: auto;
    padding: 26px 24px;
  }

  .brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    font-size: 23px;
  }

  .brand-kicker {
    margin-top: 28px;
  }

  .login-brand h1 {
    font-size: 28px;
  }

  .brand-copy {
    margin-top: 12px;
  }

  .brand-status {
    display: none;
  }

  .login-panel {
    min-height: auto;
    padding: 28px 24px 26px;
  }

  .login-heading h2 {
    font-size: 23px;
  }

  .login-form {
    margin-top: 24px;
  }
}

@media (max-width: 359px) {
  .login-page {
    padding-right: 10px;
    padding-left: 10px;
  }

  .login-brand,
  .login-panel {
    padding-right: 19px;
    padding-left: 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .password-field input,
  .login-button {
    transition: none;
  }
}