.authentication-body { min-height: 100vh; background: var(--text); color: var(--surface); }
.authentication-body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: 0.16; background-image: linear-gradient(90deg, transparent 49.8%, currentColor 50%, transparent 50.2%), linear-gradient(transparent 49.8%, currentColor 50%, transparent 50.2%); background-size: 3rem 3rem; }
.authentication-shell { position: relative; width: min(38rem, calc(100% - 2rem)); min-height: 100vh; margin-inline: auto; padding-block: clamp(2rem, 8vh, 6rem); display: grid; align-content: center; gap: var(--space-5); }
.authentication-wordmark { position: absolute; top: var(--space-6); left: 0; display: inline-flex; align-items: center; text-decoration: none; }
.authentication-wordmark .wordmark__logo { width: auto; height: 2.1rem; filter: invert(1); }
.authentication-card { padding: clamp(1.5rem, 5vw, 3rem); border: 1px solid var(--border-strong); border-radius: var(--radius); background: var(--surface); color: var(--text); }
.authentication-card--wide { width: min(46rem, calc(100vw - 2rem)); margin-left: min(0rem, calc((38rem - 46rem) / 2)); }
.authentication-card h1 { margin-bottom: var(--space-4); }
.authentication-card > p { color: var(--text-secondary); }
.authentication-form { margin-top: var(--space-6); display: grid; gap: var(--space-5); }
.authentication-form .button { width: 100%; }
.authentication-actions { margin-top: var(--space-6); display: flex; flex-wrap: wrap; gap: var(--space-3); }
.account-choice-list { margin-block: var(--space-6); display: grid; gap: var(--space-3); }
.account-choice { padding: var(--space-4); border: 1px solid var(--border); border-radius: var(--radius); display: flex; justify-content: space-between; align-items: center; gap: var(--space-5); text-decoration: none; }
.account-choice:hover { border-color: var(--text); background: var(--surface-subtle); }
.onboarding-card { padding: clamp(1.5rem, 4vw, 2.5rem); }
.onboarding-progress { margin: calc(-1 * clamp(1.5rem, 4vw, 2.5rem)) calc(-1 * clamp(1.5rem, 4vw, 2.5rem)) var(--space-6); padding: var(--space-4) clamp(1.5rem, 4vw, 2.5rem); border-bottom: 1px solid var(--border); display: flex; gap: var(--space-5); color: var(--text-secondary); font-size: 0.82rem; font-weight: 750; }
.onboarding-progress span { display: flex; align-items: center; gap: var(--space-2); }
.onboarding-progress b { width: 1.5rem; height: 1.5rem; border: 1px solid var(--border-strong); border-radius: 50%; display: inline-grid; place-items: center; font-size: 0.72rem; }
.onboarding-progress .is-current { color: var(--text); }
.onboarding-progress .is-current b { border-color: var(--text); background: var(--text); color: var(--surface); }
.onboarding-heading { max-width: 36rem; }
.onboarding-heading h1 { margin-bottom: var(--space-3); }
.onboarding-heading p { margin-bottom: 0; color: var(--text-secondary); }
.regime-fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.regime-fieldset legend { margin-bottom: var(--space-3); font-weight: 750; }
.regime-options { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.regime-option { position: relative; min-height: 11rem; padding: var(--space-5); border: 1px solid var(--border-strong); border-radius: var(--radius); cursor: pointer; }
.regime-option:has(input:checked) { border-color: var(--text); box-shadow: inset 0 0 0 1px var(--text); background: var(--surface-subtle); }
.regime-option input { position: absolute; top: var(--space-4); right: var(--space-4); width: 1.1rem; height: 1.1rem; accent-color: var(--text); }
.regime-option__body { height: 100%; padding-right: var(--space-5); display: flex; flex-direction: column; align-items: start; gap: var(--space-2); }
.regime-option__body strong { font-size: 1.2rem; }
.regime-option__body span { color: var(--text-secondary); line-height: 1.45; }
.regime-option__body small { margin-top: auto; padding-top: var(--space-3); font-weight: 700; }
.onboarding-note { margin: calc(-1 * var(--space-2)) 0 0; color: var(--text-secondary); font-size: 0.88rem; }
.onboarding-issuer-form { gap: var(--space-4); }
.onboarding-form-section { padding-top: var(--space-5); border-top: 1px solid var(--border); }
.onboarding-form-section h2 { margin-bottom: var(--space-4); font-size: 1rem; }
.onboarding-actions { display: flex; justify-content: space-between; gap: var(--space-3); }
.onboarding-actions .button { width: auto; }
.error-summary { padding: var(--space-4); border: 1px solid var(--danger); border-radius: var(--radius); background: var(--danger-subtle); }
.error-summary ul { margin: var(--space-2) 0 0; padding-left: var(--space-5); }

@media (max-width: 760px) {
  .authentication-card--wide { margin-left: 0; }
  .regime-options { grid-template-columns: 1fr; }
  .regime-option { min-height: 9rem; }
}