#login-screen {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--color-bg) 0%, var(--color-surface-alt) 100%);
  padding: 20px;
}
.login-card {
  width: 100%; max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 34px 30px;
}
.login-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; justify-content: center; }
.login-brand .logo-dot { width: 12px; height: 12px; border-radius: 4px; background: var(--color-primary); }
.login-brand span { font-weight: 700; font-size: 17px; }
.login-card h1 { text-align: center; font-size: 18px; margin-bottom: 4px; }
.login-subtitle { text-align: center; color: var(--color-text-muted); font-size: 13px; margin-bottom: 24px; }
#login-error {
  background: var(--color-danger-soft); color: var(--color-danger);
  padding: 10px 12px; border-radius: var(--radius-sm); font-size: 13px;
  margin-bottom: 14px; display: none;
}
#login-error.visible { display: block; }
.login-card .btn-primary { width: 100%; padding: 11px; }