/* 桌面登录页：仅在可信桌面角色标记存在时应用，双色值来自 xms-theme-dual.css。 */
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page {
  min-height: 100vh;
  min-height: 100dvh;
  padding: 24px clamp(20px, 4vw, 56px);
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
}

html.ds-chrome-pad:is([data-desktop-role="teacher"], [data-desktop-role="student"]) body.auth-sync-page {
  min-height: calc(100vh - var(--ds-titlebar-h, 48px));
  min-height: calc(100dvh - var(--ds-titlebar-h, 48px));
  padding-top: calc(var(--ds-titlebar-h, 48px) + 24px);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .noise,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .glow-1,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .bg-grid {
  display: none;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .auth-sync-stack {
  width: min(100%, 440px);
  max-width: 440px;
  gap: 12px;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .login-container {
  width: 100%;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .login-card {
  padding: 26px 30px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--card);
  color: var(--ink);
  box-shadow: var(--shadow);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  animation: none;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .logo-box {
  margin-bottom: 12px;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .logo-box img {
  width: 72px;
  height: 72px;
  filter: none;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page #auth-title {
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page #auth-subtitle,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .form-group label,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .checkbox-label,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .auth-env-status {
  color: var(--mute);
  font-family: var(--font-ui);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .web-compliance-footer--auth-compact {
  --accent-2: inherit;
  --ink: inherit;
  --line: inherit;
  --mute: inherit;
  background: transparent;
  border-top-color: var(--line);
  color: var(--mute);
  font-family: var(--font-ui);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .auth-mode-tabs {
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius-ctrl);
  background: var(--panel);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .auth-mode-tab {
  min-height: 38px;
  border-radius: 9px;
  color: var(--mute);
  font-family: var(--font-ui);
  font-size: 13px;
}

html[data-theme="light"][data-desktop-role] body.auth-sync-page .auth-mode-tab.active {
  background: var(--soft);
  color: var(--accent-2);
  box-shadow: inset 0 0 0 1px var(--line);
}

html[data-theme="dark"][data-desktop-role] body.auth-sync-page .auth-mode-tab.active {
  background: var(--soft);
  color: var(--accent-2);
  box-shadow: inset 0 0 0 1px var(--line);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page input:not([type="checkbox"]) {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-ctrl);
  background: var(--panel);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 14px;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page input::placeholder {
  color: var(--mute);
  opacity: 1;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page input:focus,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page button:focus,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page a:focus {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page input[type="checkbox"]:focus + .custom-checkbox {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page input:-webkit-autofill,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page input:-webkit-autofill:hover,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--ink);
  caret-color: var(--ink);
  box-shadow: 0 0 0 1000px var(--panel) inset;
  border: 1px solid var(--line);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .checkbox-group {
  position: relative;
  align-items: flex-start;
  gap: 10px;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .checkbox-group input[type="checkbox"] {
  display: block;
  position: absolute;
  width: 16px;
  height: 16px;
  margin: 1px 0 0;
  opacity: 0;
  cursor: pointer;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .custom-checkbox {
  border-color: var(--dim);
  background: var(--panel);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .checkbox-group input:checked + .custom-checkbox {
  border-color: var(--accent);
  background: var(--accent);
}

html[data-theme="light"][data-desktop-role] body.auth-sync-page .link-btn,
html[data-theme="light"][data-desktop-role] body.auth-sync-page .checkbox-label a,
html[data-theme="light"][data-desktop-role] body.auth-sync-page .web-compliance-footer--auth-compact a {
  color: color-mix(in srgb, var(--accent-2) 65%, var(--ink));
}

html[data-theme="dark"][data-desktop-role] body.auth-sync-page .link-btn,
html[data-theme="dark"][data-desktop-role] body.auth-sync-page .checkbox-label a,
html[data-theme="dark"][data-desktop-role] body.auth-sync-page .web-compliance-footer--auth-compact a {
  color: var(--accent-2);
}

html[data-desktop-role="teacher"][data-theme="light"] body.auth-sync-page .btn-submit,
html[data-desktop-role="student"][data-theme="light"] body.auth-sync-page .btn-submit,
html[data-desktop-role="teacher"][data-theme="light"] body.auth-sync-page .btn-primary,
html[data-desktop-role="student"][data-theme="light"] body.auth-sync-page .btn-primary {
  background: var(--primary-btn);
  color: var(--ink);
  box-shadow: var(--primary-shadow);
}

html[data-desktop-role="teacher"][data-theme="dark"] body.auth-sync-page .btn-submit,
html[data-desktop-role="student"][data-theme="dark"] body.auth-sync-page .btn-submit,
html[data-desktop-role="teacher"][data-theme="dark"] body.auth-sync-page .btn-primary,
html[data-desktop-role="student"][data-theme="dark"] body.auth-sync-page .btn-primary {
  background: color-mix(in srgb, var(--accent) 70%, var(--bg));
  color: #fff;
  box-shadow: var(--primary-shadow);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .btn-submit:hover,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .btn-primary:hover {
  filter: brightness(1.04);
  transform: none;
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .btn-secondary,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .btn-back {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .bottom-links {
  border-color: var(--line);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .auth-env-status {
  color: var(--mute);
  font-family: var(--font-ui);
  font-size: 11px;
}

html[data-theme="light"][data-desktop-role] body.auth-sync-page .auth-env-status {
  color: var(--ink);
}

html[data-theme="light"][data-desktop-role] body.auth-sync-page .web-compliance-footer--auth-compact,
html[data-theme="light"][data-desktop-role] body.auth-sync-page .web-compliance-footer--auth-compact .web-compliance-footer__entity,
html[data-theme="light"][data-desktop-role] body.auth-sync-page .web-compliance-footer--auth-compact .web-compliance-footer__icp {
  color: var(--ink);
}

html[data-theme="dark"][data-desktop-role] body.auth-sync-page .web-compliance-footer--auth-compact,
html[data-theme="dark"][data-desktop-role] body.auth-sync-page .web-compliance-footer--auth-compact .web-compliance-footer__entity,
html[data-theme="dark"][data-desktop-role] body.auth-sync-page .web-compliance-footer--auth-compact .web-compliance-footer__icp {
  color: var(--mute);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page #ds-titlebar {
  background: var(--side);
  border-bottom-color: var(--line);
  backdrop-filter: none;
  color: var(--ink);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page #ds-titlebar .ds-tb-brand,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page #ds-titlebar .ds-tb-page-title {
  color: var(--ink);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page #ds-titlebar .ds-tb-nav button {
  color: var(--mute);
}

:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page #ds-titlebar .ds-tb-nav button:hover,
:is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page #ds-titlebar .ds-tb-nav button.is-active {
  background: var(--soft);
  color: var(--accent-2);
}

html[data-theme="light"][data-desktop-role] body.auth-sync-page #ds-titlebar .ds-tb-nav .ds-tb-live {
  background: var(--primary-btn);
  color: var(--ink);
  box-shadow: var(--primary-shadow);
}

html[data-theme="dark"][data-desktop-role] body.auth-sync-page #ds-titlebar .ds-tb-nav .ds-tb-live {
  background: color-mix(in srgb, var(--accent) 70%, var(--bg));
  color: #fff;
  box-shadow: var(--primary-shadow);
}

@media (max-width: 720px) {
  :is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page {
    padding-right: 16px;
    padding-left: 16px;
  }

  :is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .login-card {
    padding: 22px 22px 20px;
  }
}

@media (max-height: 560px) {
  :is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page {
    justify-content: flex-start;
    padding-top: 12px;
  }

  html.ds-chrome-pad:is([data-desktop-role="teacher"], [data-desktop-role="student"]) body.auth-sync-page {
    padding-top: calc(var(--ds-titlebar-h, 48px) + 8px);
  }

  :is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .logo-box {
    margin-bottom: 6px;
  }

  :is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .logo-box img {
    width: 48px;
    height: 48px;
  }

  :is(html[data-desktop-role="teacher"], html[data-desktop-role="student"]) body.auth-sync-page .login-card {
    padding-top: 16px;
    padding-bottom: 16px;
  }
}