.auth { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-side {
  background: #15242B; color: #F4F1EA; padding: 40px; display: flex; flex-direction: column; gap: 32px;
  justify-content: space-between;
}
.auth-side img { width: min(300px, 70%); border-radius: 14px; box-shadow: 0 30px 60px rgba(0,0,0,.35); transform: rotate(-2deg); align-self: center; }
.auth-side p { font-size: 22px; font-weight: 700; letter-spacing: -.02em; max-width: 18em; line-height: 1.2; }
.auth-main { display: flex; flex-direction: column; justify-content: center; padding: 40px 20px; max-width: 440px; width: 100%; margin: 0 auto; }
.auth-logo { display: none; margin-bottom: 28px; }
.tabs { display: flex; background: var(--soft); border-radius: 12px; padding: 3px; margin-bottom: 28px; }
.tabs button { flex: 1; padding: 10px; border-radius: 9px; font-weight: 600; color: var(--muted); }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--surface); }
.form { display: grid; gap: 14px; }
.form h1 { font-size: 30px; letter-spacing: -.03em; line-height: 1.1; margin-bottom: 6px; }
.form .btn { width: 100%; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; cursor: pointer; }
.check input { width: 18px; height: 18px; margin-top: 1px; flex: none; accent-color: var(--amber); cursor: pointer; }
@media (max-width: 800px) {
  .auth { grid-template-columns: 1fr; }
  .auth-side { display: none; }
  .auth-logo { display: inline-flex; }
}