#join-dialog {
  width: min(720px, calc(100% - 28px));
  max-height: min(880px, calc(100dvh - 28px));
  overflow: hidden;
}

#join-dialog .dialog-content {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  max-height: min(876px, calc(100dvh - 32px));
}

#join-dialog .dialog-body {
  overflow-y: auto;
  overscroll-behavior: contain;
}

.registration-intro {
  margin: 0 0 14px;
  color: var(--muted);
}

.registration-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0 4px;
  font: 700 10px var(--display);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.registration-progress-track {
  flex: 1;
  height: 8px;
  border: 1px solid var(--ink);
  background: white;
}

.registration-progress-bar {
  display: block;
  width: 16.666%;
  height: 100%;
  background: var(--accent);
  transition: width .2s ease;
}

.registration-flow[hidden],
.form-step[hidden] {
  display: none;
}

.form-step {
  padding-top: 12px;
}

.form-step h3 {
  margin: 0 0 7px;
  font: 700 clamp(25px, 4vw, 36px)/1 var(--display);
  letter-spacing: -.04em;
}

.form-step > p {
  margin: 0 0 18px;
  color: var(--muted);
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 14px;
}

#join-dialog .field select,
#join-dialog .field input {
  width: 100%;
  min-height: 48px;
  border: 2px solid var(--ink);
  border-radius: 0;
  background: white;
  padding: 10px 12px;
  color: #222;
  font: inherit;
}

.option-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}

.option-card {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 54px;
  border: 2px solid var(--ink);
  background: white;
  padding: 11px 12px 11px 42px;
  cursor: pointer;
  font-weight: 700;
  line-height: 1.25;
}

.option-card input {
  position: absolute;
  left: 13px;
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--accent);
}

.option-card:has(input:checked) {
  background: var(--highlight);
  box-shadow: 3px 3px 0 var(--ink);
}

.option-card:focus-within {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.group-error {
  min-height: 1.3em;
  margin: 10px 0 0;
  color: #9c241f;
  font-size: 13px;
  font-weight: 700;
}

.creator-links {
  display: grid;
  gap: 8px;
}

.link-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 8px;
}

.link-row .field {
  margin-bottom: 0;
}

.remove-link,
.add-link {
  border: 2px solid var(--ink);
  background: var(--secondary);
  color: var(--ink);
  min-height: 42px;
  padding: 8px 12px;
  cursor: pointer;
  font: 700 11px var(--display);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.add-link {
  margin-top: 12px;
}

.registration-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.registration-actions .button {
  min-width: 148px;
}

.registration-actions [hidden] {
  display: none !important;
}

.button--quiet {
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  box-shadow: none;
}

.registration-privacy {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 11px;
}

@media (max-width: 620px) {
  #join-dialog .dialog-head {
    padding: 18px;
  }

  #join-dialog .dialog-body {
    padding: 18px;
  }

  .field-grid,
  .option-grid {
    grid-template-columns: 1fr;
  }

  .registration-actions .button {
    min-width: 0;
  }

  .link-row {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .registration-progress-bar {
    transition: none;
  }
}