/* Login-only presentation. Auth gates and the operational workspace are unchanged. */
.login-page.login-premium {
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  padding: 48px 32px;
  overflow: auto;
  background: #f2f3f0;
  color: #172d3e;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}
.login-page.login-premium::before,
.login-page.login-premium::after {
  content: none;
}
.login-premium .login-panel {
  display: block;
  width: min(1040px, 100%);
  min-height: 0;
  margin: auto;
  padding: 0;
}
.login-premium .login-entry-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  min-height: 600px;
  padding: 0;
  overflow: hidden;
  border: 1px solid #dce1df;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 48px #20352d09;
  animation: login-surface-enter 420ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}
.login-premium .login-brand-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  min-width: 0;
  margin: 48px 0;
  padding: 24px 48px;
  border-right: 1px solid #e5e9e6;
}
.login-premium .brand-lockup.brand-original-lockup {
  width: min(288px, 100%);
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: #fff;
  box-shadow: none;
}
.login-premium .login-form > * {
  animation: login-content-enter 360ms ease-out both;
}
.login-premium .login-form > :nth-child(2) {
  animation-delay: 50ms;
}
.login-premium .login-form > :nth-child(3) {
  animation-delay: 90ms;
}
.login-premium .login-form > :nth-child(n + 4) {
  animation-delay: 130ms;
}
.login-premium :is(input, button, a) {
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}
@keyframes login-surface-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes login-content-enter {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.login-premium .brand-lockup.brand-original-lockup > img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
}
.login-premium .login-brand-caption {
  text-align: center;
}
.login-premium .login-brand-caption p {
  margin: 0 0 12px;
  color: #172d3e;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 4px;
}
.login-premium .login-brand-caption span {
  color: #637069;
  font-size: 13px;
  letter-spacing: 3px;
}
.login-premium .login-form-panel {
  display: flex;
  align-items: center;
  min-width: 0;
  padding: 64px;
}
.login-premium .login-form {
  display: grid;
  width: 100%;
  gap: 22px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.login-premium .login-entry-heading {
  margin: 0 0 10px;
  padding: 0;
  border: 0;
  text-align: left;
}
.login-premium .login-entry-heading h1 {
  color: #172d3e;
  font-size: 32px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 1px;
}
.login-premium .login-entry-heading p {
  margin: 12px 0 0;
  color: #637069;
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0;
}
.login-premium .login-entry-field {
  gap: 9px;
}
.login-premium .login-entry-field label {
  color: #31443b;
  font-size: 14px;
  font-weight: 500;
}
.login-premium .login-input-wrap input {
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid #abb8b0;
  border-radius: 4px;
  background: #fff;
  color: #172d3e;
  font-size: 16px;
  line-height: 24px;
  box-shadow: none;
}
.login-premium #login-password {
  padding-right: 66px;
}
.login-premium .login-input-wrap input::placeholder {
  color: #6b766f;
  opacity: 1;
}
.login-premium .login-input-wrap input:focus {
  border-color: #087247;
  outline: 2px solid #087247;
  outline-offset: 2px;
  box-shadow: none;
}
.login-premium .login-password-toggle {
  top: 3px;
  right: 3px;
  bottom: 3px;
  min-width: 54px;
  min-height: 44px;
  border: 0;
  border-radius: 3px;
  color: #345b49;
  font-size: 13px;
}
.login-premium .login-password-toggle:hover {
  background: #edf3ef;
  color: #064d31;
}
.login-premium .login-remember {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  margin: -8px 0;
  color: #56675d;
  font-size: 13px;
  cursor: pointer;
}
.login-premium .login-remember input {
  width: 16px;
  min-height: 16px;
  height: 16px;
  margin: 0;
  accent-color: #087247;
}
.login-premium .login-submit {
  min-height: 50px;
  margin: 0;
  border: 1px solid #087247;
  border-radius: 4px;
  background: #087247;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 2px;
  box-shadow: none;
  transform: none;
}
.login-premium .login-submit:hover:not(:disabled) {
  border-color: #065c39;
  background: #065c39;
  box-shadow: none;
  transform: none;
}
.login-premium .login-submit:disabled {
  border-color: #4d7161;
  background: #4d7161;
  color: #fff;
  opacity: 1;
  cursor: wait;
}
.login-premium :is(button, a, input):focus-visible {
  outline: 2px solid #087247;
  outline-offset: 3px;
}
.login-premium .login-entry-note {
  gap: 4px;
  padding: 0;
  color: #637069;
  font-size: 12px;
  line-height: 1.6;
}
.login-premium .login-entry-note small {
  color: #637069;
  font-size: 12px;
}
.login-premium .login-entry-note a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  min-height: 44px;
  color: #087247;
  text-underline-offset: 4px;
}
.login-premium .login-page-footer {
  margin-top: 24px;
  color: #637069;
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
  letter-spacing: 1px;
}
@media (max-width: 900px) {
  .login-premium .login-form-panel {
    padding: 44px 32px;
  }
  .login-premium .login-brand-panel {
    padding: 24px 32px;
  }
}
@media (max-width: 680px) {
  .login-page.login-premium {
    padding: 28px 20px;
    background: #fff;
  }
  .login-premium .login-panel {
    width: min(400px, 100%);
  }
  .login-premium .login-entry-card {
    grid-template-columns: 1fr;
    min-height: 0;
    overflow: visible;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }
  .login-premium .login-brand-panel {
    gap: 0;
    margin: 0 0 30px;
    padding: 0;
    border: 0;
  }
  .login-premium .brand-lockup.brand-original-lockup {
    width: 128px;
  }
  .login-premium .login-brand-caption {
    display: none;
  }
  .login-premium .login-form-panel {
    display: block;
    padding: 0;
  }
  .login-premium .login-entry-heading h1 {
    font-size: 28px;
  }
  .login-premium .login-entry-heading p {
    margin-top: 6px;
  }
  .login-premium .login-page-footer {
    margin-top: 28px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .login-premium .login-entry-card,
  .login-premium .login-form > *,
  .login-premium :is(input, button, a) {
    animation: none;
    transition: none;
  }
}