:root { color-scheme: dark; }
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100dvh; display: grid; place-items: center;
  padding: clamp(24px, 6vw, 64px) 20px;
  background: var(--fg-color-thread); color: var(--fg-color-ink);
  font: 400 14px/1.45 var(--fg-font-family);
}
.login { width: min(100%, 332px); text-align: center; }
.login-mark {
  display: grid; place-items: center; width: 72px; height: 72px; margin: 0 auto 25px;
  background: var(--fg-color-sidebar); border: 1px solid var(--fg-color-border);
  border-radius: var(--fg-radius-window);
}
h1 { margin: 0; font-size: 24px; font-weight: 600; line-height: 1.25; letter-spacing: -.035em; text-wrap: balance; }
form { margin-top: 24px; }
.login button {
  display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%;
  min-height: 44px; border: 1px solid transparent; border-radius: 999px; padding: 9px 16px;
  background: var(--fg-color-ink); color: var(--fg-color-ink-on-primary);
  font: 500 14px/1.4 var(--fg-font-family); cursor: pointer;
}
.login button:hover:not(:disabled) { background: #fff; }
.login button:focus-visible { outline: 2px solid var(--fg-color-focus-ring); outline-offset: 4px; }
.login button:disabled { opacity: .68; cursor: wait; }
.login .account-hint { margin: 12px 0 0; color: var(--fg-color-ink-secondary); font-size: 12px; }
.login [data-login-error] { margin: 16px 0 0; color: var(--fg-color-error); font-size: 13px; }