/* 认证区独立覆盖旧登录布局，不改变已登录工作台的样式。 */
#loginScreen,
#sessionRecoveryScreen,
#sessionNotice {
  --auth-ink: #253d32;
  --auth-muted: #637569;
  --auth-green: #26715d;
  --auth-sage: #edf1e7;
  --auth-line: #dfe6de;
  --auth-danger: #a23832;
  color: var(--auth-ink);
  font-family: var(--ni-font-sans, "Segoe UI", "Microsoft YaHei UI", sans-serif);
}
#loginScreen.login-editorial,
#sessionRecoveryScreen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  padding: 28px 32px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: radial-gradient(ellipse at 16% 25%, #e8eee380, transparent 52%), #f4f6f2;
}
#loginScreen.hidden,
#sessionRecoveryScreen.hidden,
#sessionNotice.hidden { display: none; }
#loginScreen .login-editorial-shell,
#sessionRecoveryScreen .session-recovery-card {
  flex-shrink: 0;
  margin-block: auto;
}
#loginScreen .login-editorial-shell {
  width: min(1000px, 100%);
  height: auto;
  min-height: 636px;
  max-height: none;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  overflow: hidden;
  border: 1px solid var(--auth-line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 18px 66px #25492d0c, 0 2px 7px #25492d03;
}
#loginScreen .login-editorial-story {
  min-width: 0;
  min-height: 0;
  padding: 32px 34px 28px;
  display: grid;
  grid-template-rows: auto auto minmax(242px, 1fr) auto;
  gap: 18px;
  background: var(--auth-sage);
  color: var(--auth-ink);
}
#loginScreen .login-editorial-brand { gap: 11px; color: var(--auth-ink); font-size: 17px; font-weight: 650; letter-spacing: -.3px; }
#loginScreen .login-editorial-brand small { display: block; margin-top: 3px; color: var(--auth-muted); font-size: 8px; font-weight: 500; letter-spacing: 1.3px; }
#loginScreen .login-editorial-mark { width: 36px; height: 36px; border: 0; border-radius: 10px; background: var(--auth-green); }
#loginScreen .login-editorial-copy { padding: 2px 0 3px; }
#loginScreen .login-editorial-eyebrow { margin: 0 0 8px; color: #5b7562; font-size: 10px; line-height: 1.5; letter-spacing: 1.8px; }
#loginScreen .login-editorial-title { max-width: none; margin: 0; font-size: 32px; line-height: 1.4; font-weight: 650; letter-spacing: -.9px; color: #315a42; }
#loginScreen .login-editorial-lead { display: block; margin: 10px 0 0; color: #5c735d; font-size: 12px; line-height: 1.8; }
#loginScreen .auth-work-gallery { min-height: 242px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); grid-template-rows: repeat(2, minmax(0, 1fr)); gap: 10px; }
#loginScreen .auth-work-gallery figure { position: relative; min-width: 0; min-height: 0; margin: 0; overflow: hidden; border-radius: 11px; background: #dce4d8; }
#loginScreen .auth-work-main { grid-row: span 2; }
#loginScreen .auth-work-gallery img { position: absolute; display: block; width: 100%; height: 100%; object-fit: cover; }
#loginScreen .auth-work-main img { object-position: 49% center; }
#loginScreen .auth-work-gallery figcaption { position: absolute; inset: auto 0 0; padding: 28px 12px 12px; color: #fff; background: linear-gradient(transparent, #163126a8); font-size: 10px; line-height: 1.5; }
#loginScreen .auth-story-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px; margin: 0; color: var(--auth-muted); font-size: 10px; line-height: 1.7; }
#loginScreen .auth-story-footer span { font-size: 9px; }
#loginScreen .login-editorial-panel { min-width: 0; padding: 36px 42px; display: flex; flex-direction: column; justify-content: center; gap: 26px; overflow: visible; background: #fff; }
#loginScreen .login-panel-eyebrow { margin: 0 0 9px; color: #697f70; font-size: 9px; font-weight: 550; letter-spacing: 1.7px; line-height: 1.6; }
#loginScreen .login-panel-heading { margin: 0; color: var(--auth-ink); font-size: 29px; font-weight: 650; line-height: 1.5; letter-spacing: -.5px; }
#loginScreen .login-panel-copy { margin: 9px 0 0; color: var(--auth-muted); font-size: 12px; line-height: 1.8; }
#loginScreen .login-editorial-form { display: grid; gap: 20px; }
#loginScreen .login-editorial-form .field { display: grid; gap: 8px; margin: 0; }
#loginScreen .field label { color: #43594a; font-size: 12px; font-weight: 550; }
#loginScreen .login-editorial-form input { width: 100%; min-width: 0; min-height: 46px; padding: 11px 13px; color: var(--auth-ink); background: #fcfdfb; border: 1px solid var(--auth-line); border-radius: 8px; font-size: 14px; line-height: 1.5; box-shadow: none; }
#loginScreen .login-editorial-form input::placeholder { color: #8b968d; }
#loginScreen .login-editorial-form input[aria-invalid="true"] { border-color: var(--auth-danger); }
#loginScreen .studio-password { position: relative; }
#loginScreen .studio-password input { padding-right: 60px; }
#loginScreen #passwordToggle { position: absolute; inset: 1px 1px 1px auto; min-width: 52px; min-height: 44px; padding: 0 10px; color: #4a6654; background: transparent; border: 0; border-radius: 7px; font-size: 12px; transform: none; }
#loginScreen .auth-field-error,
#loginScreen #loginMessage { margin: 0; padding: 0; border: 0; border-radius: 0; color: var(--auth-danger); background: transparent; font-size: 12px; line-height: 1.65; }
#loginScreen .login-editorial-submit { display: flex; align-items: center; justify-content: center; gap: 9px; width: 100%; min-height: 48px; margin: 0; border: 1px solid var(--auth-green); border-radius: 8px; background: var(--auth-green); color: #fff; font-size: 13px; font-weight: 550; box-shadow: none; }
#loginScreen .login-editorial-submit:hover:not(:disabled),
#sessionRecoveryScreen .auth-retry:hover:not(:disabled) { background: #1c5d4b; border-color: #1c5d4b; }
#loginScreen .auth-account-help { margin: -7px 0 0; color: var(--auth-muted); font-size: 11px; line-height: 1.9; }
#loginScreen .auth-privacy-note { display: flex; align-items: flex-start; gap: 7px; margin: 0; padding-top: 16px; border-top: 1px solid var(--auth-line); color: var(--auth-muted); font-size: 10px; line-height: 1.8; }
#loginScreen .auth-privacy-note svg { width: 14px; height: 14px; margin-top: 2px; flex-shrink: 0; }
#loginScreen :is(input, button):focus-visible,
#sessionRecoveryScreen button:focus-visible,
#sessionNotice button:focus-visible { outline: 3px solid #589f86; outline-offset: 3px; }
#loginScreen button:disabled,
#sessionRecoveryScreen button:disabled,
#sessionNotice button:disabled { opacity: .65; cursor: default; }
#sessionRecoveryScreen .session-recovery-card { width: min(500px, 100%); padding: 42px 36px 34px; border: 1px solid var(--auth-line); border-radius: 20px; background: #fff; box-shadow: 0 18px 66px #25492d0b; text-align: center; }
#sessionRecoveryScreen .auth-recovery-mark { display: grid; place-items: center; width: 64px; height: 64px; margin: 0 auto 24px; border: 9px solid #edf3e9; border-radius: 20px; background: var(--auth-green); }
#sessionRecoveryScreen .auth-recovery-mark svg { width: 32px; height: 32px; }
#sessionRecoveryScreen .auth-eyebrow { margin: 0 0 10px; color: var(--auth-muted); font-size: 9px; letter-spacing: 1.8px; }
#sessionRecoveryScreen h1 { margin: 0 0 12px; font-size: 24px; font-weight: 650; line-height: 1.5; }
#sessionRecoveryScreen #sessionRecoveryMessage { margin: 0; color: var(--auth-muted); font-size: 13px; line-height: 1.9; }
#sessionRecoveryScreen .auth-recovery-progress { display: none; width: 112px; height: 3px; margin: 24px auto 0; overflow: hidden; border-radius: 8px; background: #e7ede3; }
#sessionRecoveryScreen[aria-busy="true"] .auth-recovery-progress { display: block; }
#sessionRecoveryScreen .auth-recovery-progress span { display: block; width: 50%; height: 100%; border-radius: inherit; background: #7fa184; animation: studio-auth-progress 1300ms ease-in-out infinite alternate; }
#sessionRecoveryScreen .auth-retry { width: 100%; min-height: 46px; margin-top: 24px; border: 1px solid var(--auth-green); border-radius: 8px; background: var(--auth-green); color: #fff; font-size: 13px; }
#sessionNotice { position: fixed; z-index: 120; right: 22px; bottom: 20px; display: flex; align-items: center; gap: 16px; width: min(570px, calc(100% - 44px)); padding: 13px 16px; border: 1px solid #cadbc7; border-radius: 12px; background: #f8fbf4; box-shadow: 0 8px 32px #193d251a; }
#sessionNotice p { margin: 0; font-size: 12px; line-height: 1.8; }
#sessionNotice button { flex-shrink: 0; min-height: 44px; padding: 8px 13px; border: 1px solid #a8c0ab; border-radius: 7px; background: #fff; color: var(--auth-green); font-size: 12px; }
@keyframes studio-auth-progress { from { transform: translateX(0); } to { transform: translateX(100%); } }
@media (max-width: 1000px) {
  #loginScreen .login-editorial-story { padding-inline: 28px; }
  #loginScreen .login-editorial-panel { padding-inline: 28px; }
  #loginScreen .auth-story-footer span { display: none; }
}
@media (max-width: 720px) {
  #loginScreen.login-editorial, #sessionRecoveryScreen { padding: 16px 14px 24px; }
  #loginScreen .login-editorial-shell { grid-template-columns: minmax(0, 1fr); min-height: 0; height: auto; border-radius: 16px; }
  #loginScreen .login-editorial-story { min-height: 0; padding: 22px 24px; grid-template-rows: auto auto 116px; gap: 16px; }
  #loginScreen .login-editorial-copy { padding: 0; }
  #loginScreen .login-editorial-title { max-width: none; font-size: 25px; line-height: 1.4; }
  #loginScreen .login-editorial-eyebrow, #loginScreen .login-editorial-lead, #loginScreen .auth-story-footer { display: none; }
  #loginScreen .auth-work-gallery { min-height: 116px; grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(0, 1fr)); grid-template-rows: minmax(0, 1fr); gap: 8px; }
  #loginScreen .auth-work-main { grid-row: auto; }
  #loginScreen .auth-work-gallery figcaption { padding: 24px 8px 8px; font-size: 9px; }
  #loginScreen .login-editorial-panel { padding: 28px 24px; gap: 22px; }
  #loginScreen .login-panel-heading { font-size: 27px; }
  #loginScreen .login-editorial-form input { font-size: 16px; }
  #loginScreen .login-editorial-form { gap: 18px; }
  #sessionRecoveryScreen .session-recovery-card { padding: 32px 24px 28px; }
  #sessionRecoveryScreen h1 { font-size: 21px; }
  #sessionNotice { right: 12px; bottom: 12px; width: calc(100% - 24px); gap: 10px; padding: 10px 12px; }
}
@media (prefers-reduced-motion: reduce) {
  #loginScreen .login-editorial-shell, #sessionRecoveryScreen .auth-recovery-progress span { animation: none; }
}