/* Login-only presentation; shared admin pages retain their existing styles. */
.login-page { min-height: 100vh; min-height: 100dvh; }
.login-page > .topbar {
  position: static;
  height: 80px;
  padding: 0 clamp(24px, 4vw, 64px);
  background: transparent;
  border: 0;
}
.login-page > .topbar .brand { gap: 12px; }
.login-page > .topbar .brand strong { font-size: 16px; font-weight: 650; }
.login-page > .topbar .brand small { font-size: 10px; letter-spacing: .08em; margin-top: 2px; }
.login-page .theme-toggle { background: transparent; border-color: transparent; }
.login-page .theme-toggle:hover { background: var(--surface); }
.login-page > .container {
  width: 100%; max-width: none;
  min-height: calc(100vh - 80px); min-height: calc(100dvh - 80px);
  display: grid; place-items: center;
  padding: 32px 24px 80px;
}
.login-layout { width: min(100%, 440px); }
.login-page .login-card {
  width: 100%; max-width: none; margin: 0;
  padding: 40px; border: 0; border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 16px 48px rgb(20 40 70 / 7%);
  text-align: left;
}
.login-heading { margin-bottom: 32px; }
.login-page .login-icon { width: 44px; height: 44px; margin: 0 0 24px; border-radius: 11px; }
.login-page .login-icon.logo-image { width: 44px; height: 44px; }
.login-page .login-card h1 { margin: 0 0 8px; font-size: 28px; line-height: 1.3; font-weight: 650; letter-spacing: -.02em; }
.login-page .login-heading p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--muted); overflow-wrap: anywhere; }
.login-page .stack { gap: 20px; }
.login-page .stack label { gap: 8px; font-size: 13px; font-weight: 550; color: var(--ink); }
.login-page .stack input { min-height: 48px; border-radius: 8px; padding: 12px 14px; font-size: 15px; font-weight: 400; caret-color: var(--blue); }
.login-page .stack input::placeholder { font-size: 14px; color: var(--muted); }
.login-page .stack input:focus { border-color: var(--focus-ring); outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.login-page .login-submit { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; margin-top: 4px; font-weight: 600; }
.login-submit span { display: inline-flex; }
.login-page .login-alt { display: grid; gap: 12px; }
.login-page .login-alt button { width: 100%; min-height: 48px; margin-top: 12px; background: var(--surface); font-size: 14px; font-weight: 500; }
.login-page .login-alt button:hover { background: var(--surface-soft); border-color: var(--muted); }
.login-page .login-manual { display: block; width: fit-content; margin: 20px auto 0; min-height: 44px; padding: 10px 0; font-size: 14px; text-underline-offset: 4px; }
.login-page .login-manual:hover { text-decoration: underline; }
.login-page .login-card [hidden] { display: none !important; }
.login-page .feishu-login-status { padding: 16px; margin-bottom: 16px; font-size: 14px; line-height: 1.7; text-align: left; overflow-wrap: anywhere; }
.login-page .flash.error { font-size: 14px; line-height: 1.6; overflow-wrap: anywhere; }
.login-footer { margin: 24px 0 0; text-align: center; color: var(--muted); font-size: 11px; letter-spacing: .1em; overflow-wrap: anywhere; }
.login-page ::selection { color: var(--ink); background: var(--active-blue); }
:root[data-theme="dark"] .login-page .login-card { box-shadow: 0 16px 48px rgb(0 0 0 / 20%); }
@media (max-width: 540px) {
  .login-page > .topbar { height: 68px; padding: 0 20px; }
  .login-page > .topbar .brand strong { font-size: 14px; }
  .login-page > .topbar .brand small { display: none; }
  .login-page > .topbar .logo { width: 32px; height: 32px; }
  .login-page > .topbar .theme-label { display: none; }
  .login-page > .container { min-height: calc(100vh - 68px); min-height: calc(100dvh - 68px); padding: 24px 20px 40px; }
  .login-page .login-card { padding: 28px 24px; }
  .login-page .login-card h1 { font-size: 26px; }
  .login-page .stack input { font-size: 16px; }
}
@media (max-height: 720px) and (min-width: 541px) {
  .login-page > .container { padding-top: 20px; padding-bottom: 32px; }
  .login-page .login-card { padding: 28px 36px; }
  .login-page .login-icon { margin-bottom: 16px; }
  .login-heading { margin-bottom: 24px; }
}