.rdx { display: grid; gap: clamp(32px, 4vw, 52px); }

.rdx-progress {
  position: sticky;
  top: 66px;
  z-index: 20;
  background: rgba(245, 246, 243, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--rule);
  padding: 12px 0 10px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.rdx-progress-n { font-size: 0.8125rem; font-variant-numeric: tabular-nums; }
.rdx-bar {
  flex: 1 1 140px;
  height: 3px;
  background: var(--rule);
  border-radius: 2px;
  overflow: hidden;
  min-width: 100px;
}
.rdx-bar-fill { display: block; height: 100%; width: 0; background: var(--seal); transition: width 0.3s ease; }

.rdx-q {
  border: 0;
  border-bottom: 1px solid var(--rule);
  margin: 0;
  padding: 26px 0;
  display: grid;
  gap: 18px;
}
.rdx-q:first-of-type { border-top: 1px solid var(--rule-2); }
.rdx-q-head { display: grid; grid-template-columns: 2.5rem minmax(0, 1fr); gap: 0 16px; }
.rdx-n { font-size: 0.75rem; color: var(--faint); padding-top: 3px; }
.rdx-q-text {
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.7vw, 1.3rem);
  line-height: 1.32;
  letter-spacing: -0.012em;
  margin-top: 8px;
  max-width: 52ch;
}
.rdx-help { margin-top: 10px; font-size: 0.875rem; color: var(--muted); max-width: 66ch; line-height: 1.55; }
.rdx-q-head .cite { display: inline-block; margin-top: 10px; }

.rdx-answers {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr));
  margin-left: 0;
}
@media (min-width: 700px) { .rdx-answers { margin-left: calc(2.5rem + 16px); } }

.rdx-a {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border-ui);
  border-radius: var(--radius);
  padding: 11px 13px;
  background: var(--card);
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.rdx-a:hover { border-color: var(--border-ui); }
.rdx-a input { accent-color: var(--seal); margin: 0; flex: none; }
.rdx-a:has(input:checked) { border-color: var(--seal); background: var(--seal-lt); }
.rdx-a:has(input:focus-visible) { outline: 2px solid var(--seal); outline-offset: 2px; }

.rdx-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  padding-top: 28px;
}
.rdx-actions .formnote { flex: 1 1 100%; max-width: 74ch; }

/* ------------------------------------------------------------ result ---- */

.rdx-result {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  border-top: 2px solid var(--ink);
  padding-top: clamp(28px, 3.5vw, 40px);
  scroll-margin-top: 90px;
}
@media (min-width: 940px) { .rdx-result { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); } }
.rdx-result:focus { outline: none; }

.rdx-score-n { display: flex; align-items: baseline; gap: 10px; margin-top: 8px; }
.rdx-score-n .mono {
  font-size: clamp(3rem, 7vw, 4.4rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.rdx-score-u { font-size: 1rem; color: var(--muted); }
.rdx-band {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 999px;
}
.rdx-band[data-tone="seal"] { background: var(--seal-lt); color: var(--seal); }
.rdx-band[data-tone="flag"] { background: var(--flag-lt); color: var(--flag); }

.rdx-gap .ledger-k .cite { display: block; margin-top: 2px; }

@media print {
  .rdx-form, .rdx-progress, .pagehead .btns, .crumbs { display: none !important; }
  .rdx-result { display: block; border-top: 2px solid #000; }
  .rdx-gaps { margin-top: 24px; }
  .rdx-result .btns { display: none !important; }
}