:where(.bb-auth-signin-form,.bb-auth-code-entry,.bb-auth-passkey-prompt,.bb-auth-offline-indicator,.bb-auth-impersonation-banner,.bb-auth-app-chooser,.bb-auth-persona-chooser,.bb-auth-agent-banner,.bb-auth-consent-screen){--bb-color-primary: #c8102e;--bb-color-text: #1a1a1a;--bb-color-bg: #ffffff;--bb-color-bg-subtle: #f6f6f6;--bb-color-border: #d0d0d0;--bb-color-error: #b00020;--bb-color-disabled: #999;--bb-radius: 6px;--bb-spacing: 12px;--bb-font: system-ui, -apple-system, sans-serif;--bb-touch-target-min: 44px;font-family:var(--bb-font);color:var(--bb-color-text)}.bb-auth-heading{font-size:1.5rem;margin:0 0 var(--bb-spacing)}.bb-auth-description{margin:0 0 var(--bb-spacing)}.bb-auth-field{display:block;margin-bottom:var(--bb-spacing)}.bb-auth-field-label{display:block;font-weight:500;margin-bottom:4px}.bb-auth-field input{width:100%;padding:8px 12px;border:1px solid var(--bb-color-border);border-radius:var(--bb-radius);font-size:1rem;min-height:var(--bb-touch-target-min)}.bb-auth-field input[aria-invalid=true]{border-color:var(--bb-color-error)}.bb-auth-button{display:inline-flex;align-items:center;justify-content:center;min-height:var(--bb-touch-target-min);min-width:var(--bb-touch-target-min);padding:8px 16px;border:1px solid transparent;border-radius:var(--bb-radius);font-size:1rem;font-family:inherit;cursor:pointer}.bb-auth-button:disabled{cursor:not-allowed;color:var(--bb-color-disabled)}.bb-auth-button-primary{background:var(--bb-color-primary);color:var(--bb-color-bg)}.bb-auth-button-secondary{background:var(--bb-color-bg);border-color:var(--bb-color-border)}.bb-auth-button-link{background:transparent;border:none;color:var(--bb-color-primary);text-decoration:underline;padding:4px 8px}.bb-auth-error{color:var(--bb-color-error);margin:var(--bb-spacing) 0}.bb-auth-divider{display:flex;align-items:center;margin:var(--bb-spacing) 0;color:var(--bb-color-disabled);text-transform:uppercase;font-size:.85rem}.bb-auth-actions{display:flex;gap:var(--bb-spacing);margin-top:var(--bb-spacing)}.bb-auth-checkbox{display:flex;gap:8px;align-items:flex-start;padding:8px 0;cursor:pointer}.bb-auth-consent-group{border:1px solid var(--bb-color-border);border-radius:var(--bb-radius);padding:var(--bb-spacing);margin-bottom:var(--bb-spacing)}.bb-auth-offline-indicator{background:var(--bb-color-bg-subtle);padding:8px var(--bb-spacing);text-align:center;font-size:.9rem}.bb-auth-impersonation-banner{background:#fff3cd;color:#664d03;padding:8px var(--bb-spacing);display:flex;gap:var(--bb-spacing);align-items:center;justify-content:center;border-bottom:1px solid #ffe69c}.bb-auth-agent-banner{background:var(--bb-color-bg-subtle);border-left:4px solid var(--bb-color-primary);padding:var(--bb-spacing);margin-bottom:var(--bb-spacing)}.bb-auth-app-chooser-list,.bb-auth-persona-chooser-list{list-style:none;margin:0;padding:0;display:grid;gap:var(--bb-spacing);grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.bb-auth-app-chooser-card,.bb-auth-persona-chooser-card{width:100%;text-align:left;padding:var(--bb-spacing);display:flex;flex-direction:column;gap:4px;background:var(--bb-color-bg);border:1px solid var(--bb-color-border)}.bb-auth-persona-chooser-card-title{font-weight:600}.bb-auth-persona-chooser-card-subtitle{color:var(--bb-color-disabled);font-size:.9rem}