*, *::before, *::after { box-sizing: border-box; }

body {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  margin: 0;
  background: var(--dorsa-bg);
  color: var(--dorsa-text-primary);
  font-family: 'Vazirmatn', Tahoma, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before { position: fixed; inset: 0 0 auto; height: 5px; background: var(--dorsa-primary); content: ''; }
.auth-wrapper { width: 100%; max-width: 432px; padding: 24px; }
.auth-card { padding: 40px 36px; border: 1px solid var(--dorsa-border); border-radius: var(--dorsa-radius-lg); background: var(--dorsa-surface); box-shadow: var(--dorsa-shadow-md); animation: auth-fade-up 220ms ease-out; }
@keyframes auth-fade-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.logo-wrapper { display: flex; justify-content: center; margin-bottom: 18px; }
.logo-bg { width: min(100%, 260px); padding: 10px 14px; border-radius: var(--dorsa-radius-lg); background: var(--dorsa-surface); }
.logo { display: block; width: 100%; height: auto; aspect-ratio: 1920 / 652; object-fit: contain; transform: translateX(9%); }
.auth-title { margin: 0 0 4px; color: var(--dorsa-text-primary); font-size: 1.25rem; text-align: center; }
.subtitle { margin: 0 0 28px; color: var(--dorsa-text-secondary); font-size: 13px; line-height: 1.7; text-align: center; }
.auth-error { margin-bottom: 18px; padding: 10px 12px; border: 1px solid #e8caca; border-radius: var(--dorsa-radius-md); background: var(--dorsa-danger-soft); color: var(--dorsa-danger); font-size: 12px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 7px; color: var(--dorsa-text-secondary); font-size: 12px; font-weight: 700; }
.form-group input { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid var(--dorsa-border-strong); border-radius: var(--dorsa-radius-md); outline: none; background: var(--dorsa-surface); color: var(--dorsa-text-primary); font: 13px inherit; transition: border-color var(--dorsa-transition), box-shadow var(--dorsa-transition); }
.form-group input::placeholder { color: var(--dorsa-text-muted); }
.form-group input:focus { border-color: var(--dorsa-primary); box-shadow: var(--dorsa-focus); }
.btn { width: 100%; min-height: 44px; padding: 10px 16px; border: 0; border-radius: var(--dorsa-radius-md); background: var(--dorsa-primary); color: #fff; box-shadow: 0 3px 8px rgba(49, 92, 145, .18); cursor: pointer; font: 700 14px 'Vazirmatn', Tahoma, sans-serif; transition: transform var(--dorsa-transition), background var(--dorsa-transition), box-shadow var(--dorsa-transition); }
.btn:hover { background: var(--dorsa-primary-hover); box-shadow: 0 5px 12px rgba(49, 92, 145, .22); transform: translateY(-1px); }
.btn:focus-visible, input:focus-visible { outline: 3px solid rgba(49, 92, 145, .25); outline-offset: 2px; }

@media (max-width: 480px) { .auth-wrapper { padding: 16px; } .auth-card { padding: 32px 24px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }