/* Full-screen login gate — uses xui-theme.css / styles.css tokens */

.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(1.25rem, env(safe-area-inset-top, 0px))
    max(1.25rem, env(safe-area-inset-right, 0px))
    max(1.25rem, env(safe-area-inset-bottom, 0px))
    max(1.25rem, env(safe-area-inset-left, 0px));
  box-sizing: border-box;
  background: linear-gradient(
    165deg,
    var(--brand-sky-soft) 0%,
    var(--brand-neutral-page) 45%,
    var(--brand-border) 100%
  );
}

.login-card {
  width: 100%;
  max-width: 26rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem 1.5rem 1.5rem;
  border-top: 3px solid var(--accent);
}

.login-card h1 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.login-card__lead {
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.45;
}

.login-field {
  margin-bottom: 1rem;
}

.login-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.login-field input {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  box-sizing: border-box;
  background: var(--surface);
  color: var(--text);
}

.login-field input:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 1px;
}

.login-error {
  min-height: 1.25rem;
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--danger);
}

.login-submit {
  width: 100%;
  margin-top: 0.25rem;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.65rem 1rem;
  border: none;
  border-radius: var(--radius-control);
  background: var(--accent-fill);
  color: var(--color-text-on-primary);
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.login-submit:hover {
  background: var(--accent-fill-hover);
}

.login-submit:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

.login-footnote {
  margin: 1rem 0 0;
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--muted);
}