.auth-locked {
  overflow: hidden;
}

.auth-locked .app-shell {
  pointer-events: none;
  filter: blur(3px);
  opacity: 0.18;
}

.login-screen {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 48px);
  background:
    linear-gradient(rgba(235, 243, 249, 0.82), rgba(235, 243, 249, 0.82)),
    var(--app-background-image, none);
  background-size: cover;
  background-position: center;
}

body:not(.auth-locked) .login-screen {
  display: none;
}

.login-panel {
  width: min(100%, 460px);
  padding: clamp(24px, 4vw, 38px);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.login-brand-mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: #fff;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  font-weight: 800;
}

.login-brand strong,
.login-brand span {
  display: block;
}

.login-brand span,
.login-copy p {
  color: var(--color-text-secondary);
}

.login-copy {
  margin-bottom: var(--space-5);
}

.login-copy h1 {
  margin: 6px 0 8px;
  font-size: clamp(1.65rem, 4vw, 2.25rem);
  line-height: 1.08;
}

.login-form {
  display: grid;
  gap: var(--space-4);
}

.login-form label {
  display: grid;
  gap: 7px;
  color: var(--color-text-secondary);
  font-size: var(--font-sm);
  font-weight: 700;
}

.login-form input {
  height: 46px;
  padding: 0 14px;
  color: var(--color-text-primary);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.login-form input:focus-visible {
  outline: 3px solid rgba(20, 148, 216, 0.24);
  border-color: var(--color-secondary);
}

.login-error {
  min-height: 20px;
  margin: 0;
  color: var(--color-danger);
  font-weight: 700;
}

.login-submit {
  width: 100%;
  min-height: 46px;
  justify-content: center;
}