/* ONB-01. Preserved 960px arrival composition; existing auth controls/tokens. */
body.signup-opening { padding: 0 48px 48px; }
body.signup-opening .public-top { max-width: 960px; height: 144px; margin-bottom: 0; }
body.signup-opening .brandmark { transform: scale(.85); transform-origin: left center; }
body.signup-opening .account-story { display: none; }
body.signup-opening .account-layout { display: block; max-width: 960px; }
body.signup-opening .form-col { max-width: none; }
body.signup-opening .auth-panel { padding: 32px 0 0; background: transparent; box-shadow: none; border-radius: 0; gap: 32px; }
body.signup-opening[data-signup-stage="name"] .auth-panel { padding-top: 64px; }
body.signup-opening[data-signup-stage="account"] .auth-panel { padding-top: 24px; }
.signup-opening .arrival-heading h1 { margin: 0; font: 500 44px/54px var(--font-display); letter-spacing: 0; overflow-wrap: anywhere; }
.signup-opening .arrival-heading p { margin: 12px 0 0; font: 500 28px/36px var(--font-display); }
.signup-opening #panelName h1 { font-size: 56px; line-height: 69px; }
.signup-opening #panelName .arrival-heading p { margin-top: 16px; }
.signup-opening #formName { max-width: 520px; gap: 24px; }
.signup-opening :is(#formName .btn-primary,#appearanceContinue) { width: 200px; }
.signup-opening #panelRegister .arrival-heading p { font: 400 20px/29px var(--font-ui); color: var(--modern-text-muted); }
body.signup-opening #formRegister { width: min(560px,100%); padding: 32px; border-radius: 20px; background: var(--modern-surface-working); box-shadow: var(--modern-depth-raised); }
.signup-opening #panelRegister > .analytics-notice { max-width: 560px; }
body.signup-opening .auth-switch { padding: 0; border: 0; }
body.signup-opening .auth-footer { max-width: 560px; text-align: left; padding-left: 0; }
#signupBack { min-height: 44px; padding: 12px 18px; }
#signupBack[hidden] { display: none; }
.signup-appearances { display: grid; grid-template-columns: repeat(2,minmax(0,448px)); gap: 24px; max-width: 920px; border: 0; padding: 0; margin: 0; min-width: 0; }
.signup-appearances .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.signup-appearance { display: block; min-width: 0; padding: 12px; border: 1px solid var(--modern-border-divider); border-radius: 20px; background: var(--modern-surface-working); box-shadow: var(--modern-depth-raised); cursor: pointer; transition: background-color 180ms, border-color 180ms; }
.signup-appearance:hover { border-color: var(--modern-border-control); }
.signup-appearance:has(input:checked) { background: var(--modern-selection-background); border-color: var(--modern-selection-indicator); box-shadow: 0 0 0 1px var(--modern-selection-indicator),var(--modern-depth-raised); }
.signup-appearance:has(input:focus-visible) { outline: 3px solid var(--modern-focus-ring); outline-offset: 4px; }
.signup-appearance .appearance-label { display: flex; gap: 12px; align-items: center; min-height: 32px; margin-top: 16px; font: 600 16px/22px var(--font-ui); }
.signup-appearance input { appearance: auto; width: 18px; height: 18px; margin: 0; accent-color: var(--modern-selection-indicator); }
.signup-opening :focus-visible { outline-color: var(--modern-focus-ring); }
@media(max-width:700px) {
  body.signup-opening { padding: 0 24px 32px; }
  body.signup-opening .public-top { height: 104px; min-height: 104px; }
  body.signup-opening .brandmark { transform: scale(.7); }
  body.signup-opening .auth-panel { padding-top: 8px; gap: 28px; }
  body.signup-opening[data-signup-stage="name"] .auth-panel { padding-top: 40px; }
  body.signup-opening[data-signup-stage="account"] .auth-panel { padding-top: 8px; }
  .signup-opening .arrival-heading h1 { font-size: 32px; line-height: 39px; }
  .signup-opening #panelName h1 { font-size: 40px; line-height: 49px; }
  .signup-opening .arrival-heading p { font-size: 24px; line-height: 30px; }
  .signup-opening #panelRegister .arrival-heading p { font-size: 18px; line-height: 26px; }
  body.signup-opening #formRegister { padding: 20px; }
  .signup-appearances { grid-template-columns: minmax(0,1fr); }
  .signup-opening :is(#formName .btn-primary,#appearanceContinue) { width: 100%; }
  body.signup-opening .wrap input { font-size: 16px; }
}
@media(prefers-reduced-motion:reduce) { .signup-appearance { transition: none; } }
html[data-reduce-motion="true"] .signup-appearance { transition: none; }