.auth-page .shell { max-width: 920px; }
.auth-page .topbar { position: static; }
.auth-main {
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(280px, .52fr);
  gap: clamp(28px, 6vw, 72px);
  align-items: start;
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(46px, 8vw, 88px) clamp(20px, 5vw, 54px) 82px;
}
.auth-intro { padding-top: 12px; }
.auth-intro h1 { max-width: 450px; margin-top: 10px; color: var(--ink); font: 600 var(--type-login-title)/1.16 var(--heading); letter-spacing: -.025em; }
.auth-intro p:not(.eyebrow) { max-width: 390px; margin-top: 14px; color: var(--muted); line-height: 1.65; }
.auth-boundary { margin-top: 22px; color: var(--sage-dark); font-size: var(--type-caption); line-height: 1.6; }
.auth-card { padding: 26px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: var(--cea-paper-shadow-soft); }
.auth-card h2 { color: var(--ink); font: 600 var(--type-heading)/1.25 var(--heading); }
.auth-card > p { margin-top: 7px; color: var(--muted); font-size: var(--type-caption); line-height: 1.55; }
.auth-tabs { display: flex; gap: 8px; margin: 22px 0 4px; }
.auth-tab { min-height: 38px; padding: 0 12px; border: 1px solid var(--line); border-radius: 9px; background: transparent; color: var(--muted); font-weight: 700; }
.auth-tab.active { border-color: var(--plum); background: var(--plum-soft); color: var(--plum); }
.auth-form[hidden] { display: none; }
.auth-form label { display: block; margin-top: 17px; color: #302b25; font-size: var(--type-caption); font-weight: 700; }
.auth-form input { width: 100%; min-height: 44px; margin-top: 7px; padding: 9px 12px; border: 1px solid var(--line-strong); border-radius: 10px; background: #fffdf8; color: var(--ink); }
.auth-form .button { width: 100%; margin-top: 22px; }
.auth-message { min-height: 22px; margin-top: 14px; color: var(--state-error); font-size: var(--type-caption); line-height: 1.45; }
.auth-message.success { color: var(--state-success); }
@media (max-width: 680px) {
  .auth-main { display: block; padding: 36px 18px 56px; }
  .auth-card { margin-top: 28px; padding: 20px; }
}
.auth-mode { display: flex; gap: 8px; margin-top: 14px; }
.auth-mode .button { flex: 1; min-height: 38px; padding: 0 14px; background: rgba(255, 250, 240, .66); color: var(--ink); }
.auth-mode .button[aria-pressed="true"] { background: var(--plum); border-color: var(--plum); color: #fff; }
.auth-mode .button[aria-pressed="false"]:hover { background: var(--paper); }