/* Signup uses the existing Sumi & steel tokens and locally hosted Saira fonts. */
[hidden] { display: none !important; }
html { scroll-behavior: auto; }
body { font-size: 1rem; }
.signup-brand, main, footer { width: min(1120px, calc(100% - 3rem)); margin-inline: auto; }
.signup-brand { display: flex; align-items: baseline; gap: 1.25rem; padding-block: 1.5rem; border-bottom: 1px solid var(--line-dark); font-family: var(--display); font-size: 1.75rem; font-weight: 700; }
.signup-brand span { font-family: var(--body); font-size: .875rem; font-weight: 400; }
main { display: grid; grid-template-columns: 1fr 1.12fr; gap: clamp(2rem, 6vw, 5rem); padding-block: 3rem; align-items: start; }
.signup-intro { padding-top: 1rem; }
.signup-intro h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); text-transform: none; line-height: 1.02; margin-bottom: 1.75rem; }
.signup-intro p { max-width: 38ch; }
.signup-steps { padding-left: 1.5rem; margin-top: 2rem; }
.signup-steps li { padding-left: .5rem; margin-bottom: .6rem; }
.signup-panel { background: var(--sumi-2); border-top: 4px solid var(--red); padding: clamp(1.25rem, 3vw, 2.25rem); min-width: 0; }
.signup-panel h2 { font-size: 2rem; text-transform: none; line-height: 1.15; margin-bottom: .75rem; }
.signup-field { margin-bottom: 1.15rem; }
label { display: block; font-weight: 600; margin-bottom: .3rem; }
input { display: block; width: 100%; min-height: 48px; border: 1px solid var(--ash); border-radius: 3px; padding: .65rem .75rem; font: inherit; background: var(--sumi); color: var(--bone); }
input[aria-invalid="true"] { border-color: #ffb4ae; }
.signup-hint, .signup-host, .signup-field-error { font-size: .875rem; line-height: 1.5; margin: .4rem 0 0; }
.signup-hint { color: #c1bdba; }
.signup-host { overflow-wrap: anywhere; }
.signup-host strong { font-weight: 500; }
button, .signup-button { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: .75rem 1rem; border: 1px solid transparent; border-radius: 3px; font: 600 1rem/1.4 var(--body); color: var(--bone); background: var(--red); cursor: pointer; text-align: center; }
#submit { width: 100%; }
button:hover, .signup-button:hover { background: var(--red-deep); }
button.secondary { background: transparent; border-color: var(--ash); }
button.secondary:hover { background: var(--sumi-3); }
button:disabled { opacity: .65; cursor: default; }
:focus-visible { outline: 3px solid var(--bone); outline-offset: 4px; }
.signup-actions { display: flex; flex-direction: column; gap: .8rem; }
#restart { text-decoration: underline; text-underline-offset: .2em; min-height: 44px; padding-block: .5rem; }
.signup-error { padding: .75rem 1rem; border-left: 3px solid #ffb4ae; background: var(--sumi-3); }
.signup-error, .signup-field-error { color: #ffb4ae; }
.signup-notice:not(:empty) { margin-top: 1rem; }
footer { border-top: 1px solid var(--line-dark); padding-block: 1.25rem 2rem; font-size: .875rem; color: #c1bdba; }
@media (max-width: 720px) {
  .signup-brand, main, footer { width: min(100% - 2rem, 520px); }
  .signup-brand { flex-wrap: wrap; gap: 0 1rem; }
  main { grid-template-columns: 1fr; gap: 1.5rem; padding-block: 1.5rem; }
  .signup-intro { padding: 0; }
  .signup-intro h1 { font-size: 2.6rem; margin-bottom: 1rem; }
  .signup-steps { margin-top: 1rem; margin-bottom: 0; }
}
@media (forced-colors: active) {
  button, .signup-button, input { border: 1px solid ButtonText; }
}