@media (max-width:760px) {
  .auth-shell{display:block}
  .submit-button:hover{background:#a94105}
  .illustration-panel{position:relative;top:auto;min-height:0;height:120px}
  .illustration-panel .brand{top:27px;left:24px;width:128px}
  .bookmark-scene{width:184px;right:0;top:-12px;height:auto;bottom:auto;aspect-ratio:683/754}
  .barry-mask{top:0}
  .auth-home-link{top:12px;right:24px}
  .mobile-break{display:block}
  .form-panel{padding:0 24px}
  .auth-navigation{display:flex;flex-direction:column;align-items:stretch;gap:12px;min-height:0;padding:68px 0 0}
  .chapter-tabs{display:grid;grid-template-columns:1fr 1fr;gap:0;border-bottom:1px solid var(--line);width:100%}
  .chapter-tab,.chapter-tab[aria-current='page']{min-width:0;height:auto;min-height:48px;padding:12px 8px;background:transparent;color:var(--muted);font-size:16px;border-radius:0;clip-path:none;border-bottom:3px solid transparent;margin-bottom:-1px}
  .chapter-tab[aria-current='page']{color:var(--navy);border-bottom-color:var(--blue)}
  .chapter-tab:hover{background:var(--pale)}
  .form-stage{padding:28px 0 20px;min-height:0}
  .auth-form{max-width:480px}
  .auth-form h1{font-size:clamp(26px,7.3vw,30px);line-height:1.25;letter-spacing:-.03em;margin:0 0 24px}
  .field{margin-bottom:20px}
  .field label{font-size:14px;line-height:1.5;margin-bottom:8px}
  .field input,.field input::placeholder{font-size:16px}
  .field input::placeholder{color:var(--muted)}
  .field input{height:52px;padding-inline:12px}
  .password-control input{padding-right:52px}
  .icon-button{min-width:44px;min-height:44px}
  .password-toggle{top:4px;right:4px}
  .auth-form .intro{font-size:15px;line-height:1.6;margin:-8px 0 24px}
  .field-error{font-size:13px;line-height:1.5}
  .switch-page{font-size:14px;line-height:1.6;margin-top:24px}
  .forgot-password{display:flex;justify-content:flex-end;align-items:center;min-height:44px;margin-top:-12px;font-size:14px}
  #login_form .submit-button{margin-top:20px}
}
@media(max-width:360px){
  .form-panel{padding-inline:20px}
  .illustration-panel .brand{left:20px;width:116px}
  .bookmark-scene{right:-12px;width:168px}
  .auth-home-link{right:20px}
}