.rd-page {
  max-width: 1180px;
  margin: auto;
  padding: clamp(16px, 3vw, 40px);
  color: var(--color-text, var(--color-slate-800));
}
.rd-breadcrumb {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}
.rd-breadcrumb a,
.rd-ethics a,
.rd-card a {
  color: var(--color-primary);
}
@keyframes rdFadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.rd-hero {
  max-width: 780px;
  animation: rdFadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.rd-eyebrow {
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  font-size: 0.76rem;
}
.rd-hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 0.2em 0;
}
.rd-hero p {
  font-size: clamp(1.12rem, 3vw, 1.35rem);
  line-height: 1.6;
  max-width: 65ch;
}
.rd-ethics {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  background: var(--color-cream);
  border: 1px solid var(--color-gold);
  padding: 20px;
  border-radius: var(--radius-md);
  margin: 24px 0;
}
.rd-ethics i {
  font-size: 2rem;
  color: var(--color-primary);
}
.rd-ethics h2 {
  font-size: 1.15rem;
  margin: 0 0 6px;
}
.rd-ethics p {
  margin: 0 0 8px;
  line-height: 1.55;
}
.rd-builder {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 3vw, 32px);
  box-shadow: var(--shadow-lg);
}
.rd-builder h2,
.rd-presets h2,
.rd-explore h2,
.rd-results h2 {
  margin-top: 0;
}
.rd-sentence {
  font-size: clamp(1.15rem, 2.3vw, 1.55rem);
  line-height: 2;
}
.rd-builder select {
  font: inherit;
  font-weight: 800;
  color: var(--color-primary);
  background: var(--color-cream);
  border: 0;
  border-bottom: 3px solid var(--color-gold);
  padding: 4px 8px;
  max-width: 100%;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.rd-builder select:hover,
.rd-builder select:focus {
  background: var(--color-gold);
  color: var(--color-slate-900);
}
.rd-secondary {
  display: flex;
  gap: 14px;
  align-items: end;
  flex-wrap: wrap;
}
.rd-secondary label {
  display: grid;
  gap: 5px;
  font-weight: 700;
}
.rd-secondary select {
  border: 1px solid var(--color-slate-300);
  border-radius: var(--radius-sm);
  padding: 9px;
  min-height: 44px;
}
.rd-reset {
  min-height: 44px;
  padding: 8px 16px;
  border: 1px solid var(--color-primary);
  background: var(--color-white);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  font-weight: 700;
}
.rd-summary {
  font-weight: 700;
}
.rd-undo {
  margin-top: 8px;
  min-height: 38px;
  border: 0;
  background: none;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  padding: 4px 0;
}
.rd-undo:hover {
  color: var(--color-primary-light);
}
.rd-presets,
.rd-explore,
.rd-results {
  margin-top: 34px;
}
.rd-preset-list,
.rd-cloud,
.rd-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.rd-cloud {
  gap: 8px;
}
.rd-chip {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid var(--color-slate-200);
  background: var(--color-white);
  color: var(--color-slate-800);
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-weight: 600;
  cursor: pointer;
  transition:
    background-color 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    color 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.rd-chip:active, .rd-preset:active {
  transform: scale(0.96);
}
.rd-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.rd-chip[aria-pressed="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}
.rd-chip-count {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-secondary);
  background: var(--color-slate-100);
  border-radius: var(--radius-full);
  padding: 2px 8px;
  font-variant-numeric: tabular-nums;
  transition:
    background-color 0.15s cubic-bezier(0.25, 1, 0.5, 1),
    color 0.15s cubic-bezier(0.25, 1, 0.5, 1);
}
.rd-chip:hover .rd-chip-count {
  color: var(--color-primary);
}
.rd-chip[aria-pressed="true"] .rd-chip-count {
  background: var(--color-primary-light);
  color: var(--color-white);
}
.rd-chip[data-weight="3"] {
  font-size: 1.08rem;
}
.rd-chip[data-weight="2"] {
  font-size: 1.02rem;
}
.rd-preset {
  min-height: 44px;
  border: 1.5px solid var(--color-primary);
  background: var(--color-white);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  padding: 9px 18px;
  font-weight: 700;
  cursor: pointer;
  transition:
    background-color 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    color 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.rd-preset:hover,
.rd-preset[aria-pressed="true"] {
  background: var(--color-primary);
  color: var(--color-white);
}
.rd-active-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
}
.rd-active-filters:empty {
  display: none;
}
.rd-filters-label {
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
}
.rd-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  background: var(--color-primary);
  color: var(--color-white);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-full);
  padding: 6px 14px 6px 16px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background-color 0.15s cubic-bezier(0.25, 1, 0.5, 1);
}
.rd-filter-chip:hover {
  background: var(--color-primary-light);
}
.rd-filter-x {
  font-size: 1.2em;
  line-height: 1;
  opacity: 0.75;
}
.rd-filter-chip:hover .rd-filter-x {
  opacity: 1;
}
.rd-filter-clear {
  min-height: 38px;
  border: 0;
  background: none;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  padding: 6px 10px;
}
.rd-filter-clear:hover {
  color: var(--color-primary-light);
}
.rd-tag.rd-tag--hit {
  background: var(--color-primary);
  color: var(--color-white);
}
.rd-result-grid {
  transition: opacity 0.15s ease-out;
}
@keyframes rdPulseLoading {
  0% { opacity: 0.6; }
  50% { opacity: 0.25; }
  100% { opacity: 0.6; }
}
.rd-results[aria-busy="true"] .rd-result-grid {
  animation: rdPulseLoading 1.5s infinite ease-in-out;
  pointer-events: none;
}
.rd-results-head {
  display: flex;
  justify-content: space-between;
}
.rd-result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  list-style: none;
  padding: 0;
}
@keyframes rdCardEnter {
  from { opacity: 0; transform: translateY(24px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.rd-card {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-sm);
  animation: rdCardEnter 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.25s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.25s;
}
.rd-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold);
}
.rd-card h3,
.rd-card p {
  margin: 0;
}
.rd-card p {
  line-height: 1.5;
}
.rd-card a {
  overflow-wrap: anywhere;
}
.rd-match {
  display: flex;
  align-items: center;
  gap: 10px;
}
.rd-score {
  font-weight: 800;
  color: var(--color-primary);
}
.rd-meter {
  height: 8px;
  background: var(--color-slate-200);
  border-radius: var(--radius-full);
  flex: 1;
  overflow: hidden;
}
.rd-meter span {
  display: block;
  height: 100%;
  width: var(--score-width, 0%);
  background: var(--color-gold);
}
.rd-tag {
  font-size: 0.72rem;
  background: var(--color-slate-100);
  padding: 3px 7px;
  border-radius: var(--radius-sm);
}
.rd-source {
  font-size: 0.8rem;
  color: var(--color-secondary);
}
.rd-empty,
.rd-disclaimer {
  padding: 18px;
  background: var(--color-slate-50);
  border-radius: var(--radius-md);
  margin-top: 18px;
}
.rd-page :focus-visible {
  outline: 3px solid rgba(80,0,0,0.4);
  outline-offset: 3px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
@media (max-width: 768px) {
  .rd-result-grid {
    grid-template-columns: 1fr;
  }
  .rd-secondary {
    display: grid;
  }
  .rd-secondary label,
  .rd-secondary select,
  .rd-reset {
    width: 100%;
  }
  .rd-sentence {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0;
  }
  .rd-sentence label {
    font-size: 1rem;
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
    margin: 0;
  }
  .rd-sentence label .sr-only {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  .rd-sentence select {
    display: block;
    width: 100%;
    margin: 0;
  }
  .rd-ethics {
    grid-template-columns: 1fr;
  }
  .rd-results-head {
    display: block;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}
@media (prefers-contrast: more) {
  .rd-card,
  .rd-builder,
  .rd-chip,
  .rd-preset {
    border-width: 2px;
  }
}
.rd-mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 28px 0;
}
.rd-mode-tabs button {
  min-height: 58px;
  border: 2px solid var(--color-primary);
  background: var(--color-white);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  font: 700 1rem var(--font-body);
  padding: 12px;
  cursor: pointer;
}
.rd-mode-tabs button[aria-selected="true"] {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: inset 0 -4px var(--color-gold);
}
.rd-mode-tabs i {
  font-size: 1.25em;
  margin-right: 6px;
}
.rd-teacher-search {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 4vw, 40px);
  box-shadow: var(--shadow-lg);
}
.rd-teacher-search h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin: 0.2em 0;
}
.rd-teacher-search > div:first-child {
  max-width: 750px;
}
.rd-teacher-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 28px 0;
}
.rd-teacher-form label {
  display: grid;
  gap: 7px;
  font-weight: 700;
}
.rd-teacher-form select,
.rd-teacher-form input[type="text"] {
  min-height: 48px;
  border: 1px solid var(--color-slate-300);
  border-radius: var(--radius-md);
  padding: 10px;
  font: inherit;
}
.rd-check {
  grid-template-columns: auto 1fr !important;
  align-items: center;
  justify-content: start;
}
.rd-check input {
  width: 22px;
  height: 22px;
}
.rd-teacher-submit {
  min-height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border: 0;
  border-radius: var(--radius-md);
  font-weight: 800;
  padding: 10px 20px;
}
.rd-referral-note {
  background: var(--color-cream);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-md);
  padding: 15px;
  line-height: 1.5;
}
@media (max-width: 768px) {
  .rd-mode-tabs,
  .rd-teacher-form {
    grid-template-columns: 1fr;
  }
}
/* Ranked results show position, score tier, and rationale without implying endorsement. */
.rd-card-head {
  display: grid;
  grid-template-columns: 36px 1fr;
  align-items: start;
  gap: 10px;
}
.rd-card-head h3 {
  padding-top: 4px;
}
.rd-rank {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 900;
  font-size: 1.1rem;
  box-shadow: 0 0 0 4px var(--color-warning-light);
}
.rd-match {
  display: grid;
  grid-template-columns: minmax(145px, auto) 1fr;
  gap: 16px;
  padding: 12px;
  background: var(--color-slate-50);
  border-radius: var(--radius-md);
}
.rd-score-block {
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  column-gap: 8px;
}
.rd-score-label {
  grid-column: 1/-1;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--color-secondary);
}
.rd-score {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--color-primary);
}
.rd-score span {
  font-size: 0.72rem;
  color: var(--color-secondary-light);
}
.rd-tier {
  font-size: 0.78rem;
  font-weight: 800;
}
.rd-card--excellent .rd-tier {
  color: var(--color-success);
}
.rd-card--strong .rd-tier {
  color: var(--color-primary);
}
.rd-card--partial .rd-tier {
  color: var(--color-warning);
}
.rd-card--limited .rd-tier {
  color: var(--color-secondary);
}
.rd-match--full {
  display: block;
  grid-template-columns: none;
  font-size: 0.88rem;
  padding: 9px 12px;
}
.rd-match--full .rd-tier {
  font-size: 0.88rem;
}
.rd-meter {
  height: 12px;
  align-self: center;
  border: 1px solid var(--color-slate-200);
  background: var(--color-slate-100);
}
.rd-card--excellent .rd-meter span {
  background: var(--color-success);
}
.rd-card--strong .rd-meter span {
  background: var(--color-primary);
}
.rd-card--partial .rd-meter span {
  background: var(--color-warning);
}
.rd-card--limited .rd-meter span {
  background: var(--color-secondary);
}
.rd-reason {
  font-size: 0.88rem;
  background: var(--color-cream);
  border-radius: var(--radius-md);
  padding: 9px 12px;
}
@media (max-width: 520px) {
  .rd-match {
    grid-template-columns: 1fr;
  }
  .rd-card-head {
    grid-template-columns: 32px 1fr;
  }
  .rd-rank {
    width: 30px;
    height: 30px;
  }
}
.rd-not-scored {
  font-size: 0.86rem;
  color: var(--color-secondary);
  background: var(--color-slate-50);
  padding: 10px;
  border-radius: var(--radius-md);
}
.rd-load-more {
  display: block;
  min-height: 48px;
  margin: 24px auto 0;
  padding: 10px 24px;
  border: 2px solid var(--color-primary);
  background: var(--color-white);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  font-weight: 800;
}
.rd-load-more:hover {
  background: var(--color-primary);
  color: var(--color-white);
}