@font-face {
  font-family: "WenYue XinQingNianTi (Non-Commercial Use)";
  font-style: normal;
  font-weight: 400;
  font-display: fallback;
  src: url("/wp-content/uploads/fonts/新青年体.ttf") format("truetype");
}

.wsc-reading-long-sentence:has(.wsc-rls-shell) {
  padding: 20px 14px 36px;
  background: #f6f3fc;
}
.wsc-reading-long-sentence {
  --wsc-rls-purple: #6741dd;
  --wsc-rls-purple-deep: #2c245a;
  --wsc-rls-purple-soft: #f1edff;
  --wsc-rls-purple-wash: #faf9ff;
  --wsc-rls-ink: #201b3b;
  --wsc-rls-muted: #77718d;
  --wsc-rls-line: #e4def7;
  --wsc-rls-green: #2c9d7b;
  box-sizing: border-box;
  min-height: 720px;
  padding: 48px 24px 72px;
  color: var(--wsc-rls-ink);
  background: linear-gradient(180deg, #fbfaff 0%, #f8f6ff 100%);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

.wsc-reading-long-sentence *,
.wsc-reading-long-sentence *::before,
.wsc-reading-long-sentence *::after {
  box-sizing: border-box;
}

.wsc-reading-long-sentence a {
  color: inherit;
  text-decoration: none;
}

.wsc-reading-long-sentence button,
.wsc-reading-long-sentence input,
.wsc-reading-long-sentence textarea {
  font: inherit;
}

.wsc-reading-long-sentence button {
  cursor: pointer;
}

.wsc-reading-long-sentence button:disabled {
  cursor: not-allowed;
  opacity: .58;
}

.wsc-reading-long-sentence__loading,
.wsc-reading-long-sentence.is-disabled > section,
.wsc-rls-library,
.wsc-rls-study,
.wsc-rls-admin-section {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.wsc-reading-long-sentence.is-disabled > section {
  padding: 42px;
  background: #fff;
  border: 1px solid var(--wsc-rls-line);
  border-radius: 24px;
  box-shadow: 0 18px 44px rgba(62, 39, 132, .07);
}

.wsc-reading-long-sentence.is-disabled h1 {
  margin: 0 0 10px;
  color: var(--wsc-rls-purple-deep);
  font-size: 26px;
}

.wsc-reading-long-sentence.is-disabled p {
  margin: 0 0 22px;
  color: var(--wsc-rls-muted);
}

.wsc-reading-long-sentence.is-disabled a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  color: #fff;
  background: var(--wsc-rls-purple);
  border-radius: 12px;
}

.wsc-rls-page-head,
.wsc-rls-study-head {
  padding: 4px 4px 26px;
}

.wsc-rls-page-head,
.wsc-rls-study-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.wsc-rls-eyebrow,
.wsc-rls-card-kicker {
  display: block;
  color: var(--wsc-rls-purple);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.wsc-rls-page-head h1,
.wsc-rls-study-head h1 {
  margin: 8px 0 6px;
  color: var(--wsc-rls-purple-deep);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
}

.wsc-rls-page-head p,
.wsc-rls-study-head p {
  margin: 0;
  color: var(--wsc-rls-muted);
  font-size: 15px;
}

.wsc-rls-head-mark {
  display: grid;
  width: 68px;
  height: 68px;
  place-items: center;
  color: var(--wsc-rls-purple);
  background: #e9e1ff;
  border-radius: 22px;
  font-size: 22px;
  font-weight: 800;
}

.wsc-rls-library-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.wsc-rls-collection-card {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 24px;
  gap: 18px;
  align-items: start;
  min-height: 220px;
  padding: 24px;
  background: rgba(255, 255, 255, .94);
  border: 1px solid var(--wsc-rls-line);
  border-radius: 20px;
  box-shadow: 0 14px 30px rgba(62, 39, 132, .05);
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.wsc-rls-collection-card:hover {
  border-color: #bcaeff;
  box-shadow: 0 18px 40px rgba(62, 39, 132, .1);
  transform: translateY(-2px);
}

.wsc-rls-card-index,
.wsc-rls-step-number {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--wsc-rls-purple);
  background: var(--wsc-rls-purple-soft);
  border-radius: 15px;
  font-weight: 800;
}

.wsc-rls-card-main h2 {
  margin: 9px 0 8px;
  color: var(--wsc-rls-purple-deep);
  font-size: 22px;
  line-height: 1.3;
}

.wsc-rls-card-main p {
  min-height: 44px;
  margin: 0;
  color: var(--wsc-rls-muted);
  line-height: 1.6;
}

.wsc-rls-card-meta,
.wsc-rls-sentence-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 18px;
  color: var(--wsc-rls-muted);
  font-size: 13px;
}

.wsc-rls-progress-track {
  height: 7px;
  margin-top: 12px;
  overflow: hidden;
  background: #ece8f8;
  border-radius: 99px;
}

.wsc-rls-progress-track i {
  display: block;
  height: 100%;
  min-width: 0;
  background: var(--wsc-rls-purple);
  border-radius: inherit;
}

.wsc-rls-card-cta {
  display: block;
  margin-top: 10px;
  color: var(--wsc-rls-purple);
  font-size: 13px;
}

.wsc-rls-card-arrow {
  color: var(--wsc-rls-purple);
  font-size: 24px;
  line-height: 1;
}

.wsc-rls-empty-state,
.wsc-rls-empty {
  padding: 34px;
  color: var(--wsc-rls-muted);
  text-align: center;
  background: rgba(255, 255, 255, .78);
  border: 1px dashed var(--wsc-rls-line);
  border-radius: 18px;
}

.wsc-rls-empty-state strong {
  display: block;
  margin-bottom: 6px;
  color: var(--wsc-rls-purple-deep);
}

.wsc-rls-back-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--wsc-rls-purple) !important;
  font-size: 14px;
  font-weight: 700;
}

.wsc-rls-study-head {
  padding-bottom: 18px;
}

.wsc-rls-sentence-counter {
  display: flex;
  align-items: baseline;
  gap: 5px;
  color: var(--wsc-rls-muted);
}

.wsc-rls-sentence-counter strong {
  color: var(--wsc-rls-purple);
  font-size: 36px;
}

.wsc-rls-sentence-card {
  padding: 30px clamp(22px, 5vw, 64px);
  background: linear-gradient(135deg, #f2edff 0%, #faf8ff 100%);
  border: 1px solid #ded5ff;
  border-radius: 24px;
  box-shadow: 0 14px 32px rgba(62, 39, 132, .06);
}

.wsc-rls-sentence-text {
  max-width: 980px;
  margin: 14px 0 0;
  color: #211a50;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.55;
}

.wsc-rls-sentence-meta {
  margin-top: 18px;
  color: #756d99;
}

.wsc-rls-step-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0;
}

.wsc-rls-step-nav a {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) 20px;
  gap: 9px;
  align-items: center;
  min-height: 66px;
  padding: 10px 12px;
  color: var(--wsc-rls-muted);
  background: rgba(255, 255, 255, .8);
  border: 1px solid var(--wsc-rls-line);
  border-radius: 15px;
}

.wsc-rls-step-nav a.is-current {
  color: var(--wsc-rls-purple-deep);
  border-color: #aa96ff;
  background: #f4f0ff;
  box-shadow: 0 8px 18px rgba(103, 65, 221, .08);
}

.wsc-rls-step-nav a.is-complete {
  color: var(--wsc-rls-green);
}

.wsc-rls-step-nav b {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  color: #fff;
  background: #b9addf;
  border-radius: 10px;
  font-size: 12px;
}

.wsc-rls-step-nav a.is-current b {
  background: var(--wsc-rls-purple);
}

.wsc-rls-step-nav span {
  font-size: 14px;
  font-weight: 700;
}

.wsc-rls-step-nav i {
  font-style: normal;
  color: var(--wsc-rls-green);
}

.wsc-rls-interaction {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--wsc-rls-line);
  border-radius: 22px;
  box-shadow: 0 14px 32px rgba(62, 39, 132, .05);
}

.wsc-rls-step-copy {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.wsc-rls-step-copy h2 {
  margin: 0 0 5px;
  color: var(--wsc-rls-purple-deep);
  font-size: 22px;
}

.wsc-rls-step-copy p {
  margin: 0;
  color: var(--wsc-rls-muted);
  line-height: 1.65;
}

.wsc-rls-token-line {
  margin: 28px 0;
  color: #322c4d;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  line-height: 2.2;
}

.wsc-rls-token {
  min-height: 40px;
  margin: 0 2px;
  padding: 2px 5px;
  color: inherit;
  background: transparent;
  border: 0;
  border-radius: 7px;
}

.wsc-rls-token:hover,
.wsc-rls-token.is-selected {
  color: var(--wsc-rls-purple-deep);
  background: #e7ddff;
}

.wsc-rls-structure-list,
.wsc-rls-logic-list {
  display: grid;
  gap: 10px;
  margin: 24px 0;
}

.wsc-rls-analysis-entry {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  padding: 15px 16px;
  background: #faf9ff;
  border: 1px solid #ece7fa;
  border-radius: 13px;
}

.wsc-rls-analysis-entry span {
  color: var(--wsc-rls-purple);
  font-weight: 800;
}

.wsc-rls-analysis-entry p {
  margin: 0;
  color: #514b68;
  line-height: 1.6;
}

.wsc-rls-inline-empty {
  margin: 0;
  color: var(--wsc-rls-muted);
}

.wsc-rls-interaction-foot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.wsc-rls-interaction-foot > span {
  margin-right: auto;
  color: var(--wsc-rls-muted);
  font-size: 14px;
}

.wsc-rls-interaction-foot > span.is-error {
  color: #b43b53;
}

.wsc-rls-interaction-foot > span.is-success {
  color: var(--wsc-rls-green);
}

.wsc-rls-primary,
.wsc-rls-secondary {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 11px;
  font-weight: 700;
}

.wsc-rls-primary {
  color: #fff;
  background: var(--wsc-rls-purple);
  border: 1px solid var(--wsc-rls-purple);
}

.wsc-rls-secondary {
  color: var(--wsc-rls-purple);
  background: #fff;
  border: 1px solid #c5b8f4;
}

.wsc-rls-translation-input {
  display: block;
  width: 100%;
  min-height: 150px;
  margin-top: 24px;
  padding: 16px;
  color: var(--wsc-rls-ink);
  background: #fcfbff;
  border: 1px solid var(--wsc-rls-line);
  border-radius: 13px;
  resize: vertical;
}

.wsc-rls-reference-translation {
  margin-top: 16px;
  padding: 16px;
  color: #3b765e;
  background: #effaf5;
  border: 1px solid #ccefe0;
  border-radius: 13px;
  line-height: 1.65;
}

.wsc-rls-review {
  margin-top: 22px;
  padding: 26px;
  background: rgba(255, 255, 255, .66);
  border: 1px solid var(--wsc-rls-line);
  border-radius: 20px;
}

.wsc-rls-review[hidden] {
  display: none;
}

.wsc-rls-review h2 {
  margin: 7px 0 18px;
  color: var(--wsc-rls-purple-deep);
  font-size: 24px;
}

.wsc-rls-review-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.wsc-rls-review-card {
  padding: 17px;
  background: #fff;
  border: 1px solid #ede9f8;
  border-radius: 14px;
}

.wsc-rls-review-card h3 {
  margin: 0 0 12px;
  color: var(--wsc-rls-purple);
  font-size: 15px;
}

.wsc-rls-review-card > p {
  margin: 0;
  color: #514b68;
  line-height: 1.65;
}

.wsc-rls-summary-list {
  display: grid;
  gap: 8px;
}

.wsc-rls-summary-list p {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  color: #514b68;
  line-height: 1.55;
}

.wsc-rls-summary-list strong {
  color: var(--wsc-rls-purple);
  font-size: 13px;
}

.wsc-rls-summary-list span {
  min-width: 0;
}

.wsc-rls-review-entry {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid #f0edf8;
}

.wsc-rls-review-entry:first-child {
  padding-top: 0;
  border-top: 0;
}

.wsc-rls-review-entry strong,
.wsc-rls-review-entry span,
.wsc-rls-review-entry small {
  display: block;
}

.wsc-rls-review-entry strong {
  color: var(--wsc-rls-ink);
}

.wsc-rls-review-entry span,
.wsc-rls-review-entry small {
  margin-top: 3px;
  color: var(--wsc-rls-muted);
  line-height: 1.5;
}

.wsc-rls-save-button {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 0 10px;
  color: var(--wsc-rls-purple);
  background: #fff;
  border: 1px solid #c9bcf4;
  border-radius: 9px;
  font-size: 12px;
  font-weight: 700;
}

.wsc-rls-save-button.is-saved {
  color: var(--wsc-rls-green);
  border-color: #a8dfc9;
}

.wsc-rls-sentence-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 22px;
}

.wsc-rls-sentence-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 16px;
  color: var(--wsc-rls-purple);
  background: #fff;
  border: 1px solid var(--wsc-rls-line);
  border-radius: 11px;
  font-weight: 700;
}

.wsc-rls-sentence-nav .wsc-rls-next-link {
  color: #fff;
  background: var(--wsc-rls-purple);
  border-color: var(--wsc-rls-purple);
}

.wsc-rls-admin-section {
  margin-top: 22px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--wsc-rls-line);
  border-radius: 16px;
}

.wsc-rls-admin-section header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.wsc-rls-admin-section h2 {
  margin: 6px 0;
  color: var(--wsc-rls-purple-deep);
}

.wsc-rls-admin-section header p {
  margin: 0;
  color: var(--wsc-rls-muted);
}

.wsc-rls-launch-status {
  border-left: 4px solid var(--wsc-rls-purple);
}

.wsc-rls-status-badge {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 0 11px;
  color: #765f11;
  background: #fff7d6;
  border: 1px solid #eddda0;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
}

.wsc-rls-status-badge.is-on {
  color: #17654d;
  background: #eaf8f2;
  border-color: #b9e1d2;
}

.wsc-rls-launch-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.wsc-rls-launch-grid > div {
  display: grid;
  gap: 7px;
  min-width: 0;
  padding: 15px;
  background: #faf9ff;
  border: 1px solid var(--wsc-rls-line);
  border-radius: 8px;
}

.wsc-rls-launch-grid strong {
  color: var(--wsc-rls-muted);
  font-size: 12px;
}

.wsc-rls-launch-grid code,
.wsc-rls-status-value {
  overflow-wrap: anywhere;
  color: var(--wsc-rls-purple-deep);
  font-size: 14px;
  font-weight: 700;
}

.wsc-rls-status-value.is-ok {
  color: var(--wsc-rls-green);
}

.wsc-rls-status-value.is-error {
  color: #b43b53;
}

.wsc-rls-launch-note {
  margin: 14px 0 0;
  color: var(--wsc-rls-muted);
}

.wsc-rls-feature-action {
  display: inline-flex;
}

.wsc-rls-advanced-diagnostics {
  margin-top: 16px;
  color: var(--wsc-rls-muted);
  font-size: 13px;
}

.wsc-rls-advanced-diagnostics summary {
  cursor: pointer;
  color: var(--wsc-rls-purple);
  font-weight: 700;
}

.wsc-rls-preview-banner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  padding: 12px 14px;
  color: #4f3f16;
  background: #fff8dd;
  border: 1px solid #eadba2;
  border-radius: 8px;
}

.wsc-rls-preview-banner span {
  color: #6f6549;
}

.wsc-rls-json-label {
  display: block;
  margin-bottom: 7px;
  font-weight: 700;
}

.wsc-rls-json-import textarea {
  display: block;
  width: 100%;
  min-height: 320px;
  padding: 14px;
  color: #332a55;
  background: #fcfbff;
  border: 1px solid var(--wsc-rls-line);
  border-radius: 12px;
  font-family: Consolas, monospace;
  line-height: 1.55;
}

.wsc-rls-json-import input[type="file"] {
  margin-top: 12px;
}

.wsc-rls-admin-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.wsc-rls-preview {
  min-height: 42px;
  margin-top: 14px;
  padding: 12px 14px;
  color: var(--wsc-rls-muted);
  background: #faf9ff;
  border-radius: 10px;
}

.wsc-rls-preview strong {
  color: var(--wsc-rls-green);
}

.wsc-rls-admin-table-wrap {
  overflow-x: auto;
}

.wsc-rls-admin-table-wrap table {
  min-width: 980px;
}

.wsc-rls-admin-row-actions {
  min-width: 260px;
  white-space: normal;
}

.wsc-rls-admin-row-actions > a,
.wsc-rls-admin-link {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  margin: 2px 6px 2px 0;
  padding: 0;
  color: var(--wsc-rls-purple);
  background: transparent;
  border: 0;
  font-size: 13px;
  text-decoration: none;
}

.wsc-rls-admin-link.is-primary {
  font-weight: 700;
}

.wsc-rls-admin-link.is-danger {
  color: #a44459;
}

.wsc-rls-inline-action {
  display: inline;
}

.wsc-rls-admin-note {
  margin: 12px 0 0;
  color: var(--wsc-rls-muted);
  font-size: 13px;
}

.wsc-rls-admin-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

.wsc-rls-admin-form-grid label {
  display: grid;
  gap: 6px;
  color: var(--wsc-rls-purple-deep);
  font-size: 13px;
  font-weight: 700;
}

.wsc-rls-admin-form-grid input,
.wsc-rls-admin-form-grid select {
  width: 100%;
  min-height: 40px;
  padding: 7px 10px;
  color: var(--wsc-rls-ink);
  background: #fcfbff;
  border: 1px solid var(--wsc-rls-line);
  border-radius: 8px;
}

.wsc-rls-admin-form-grid input[readonly] {
  color: var(--wsc-rls-muted);
  background: #f3f0fb;
}

.wsc-rls-collection-preview .wsc-rls-admin-preview-list {
  display: grid;
  gap: 10px;
}

.wsc-rls-admin-preview-list article {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
  background: var(--wsc-rls-purple-wash);
  border: 1px solid var(--wsc-rls-line);
  border-radius: 10px;
}

.wsc-rls-admin-preview-list strong {
  display: block;
  color: var(--wsc-rls-purple-deep);
  font-weight: 700;
  line-height: 1.55;
}

.wsc-rls-admin-preview-list p {
  margin: 5px 0 0;
  color: var(--wsc-rls-muted);
  line-height: 1.5;
}

.wsc-rls-admin-preview-list small {
  display: block;
  margin-top: 6px;
  color: var(--wsc-rls-muted);
}

.wsc-rls-admin-preview-index {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--wsc-rls-purple);
  background: var(--wsc-rls-purple-soft);
  border-radius: 10px;
  font-weight: 800;
}

@media (max-width: 760px) {
  .wsc-reading-long-sentence {
    padding: 28px 14px 48px;
  }

  .wsc-rls-page-head,
  .wsc-rls-study-head-row {
    align-items: flex-start;
  }

  .wsc-rls-page-head h1,
  .wsc-rls-study-head h1 {
    font-size: 30px;
  }

  .wsc-rls-library-grid,
  .wsc-rls-review-grid,
  .wsc-rls-admin-form-grid,
  .wsc-rls-launch-grid {
    grid-template-columns: 1fr;
  }

  .wsc-rls-preview-banner {
    display: grid;
  }

  .wsc-rls-collection-card {
    grid-template-columns: 42px minmax(0, 1fr) 18px;
    gap: 12px;
    padding: 18px;
  }

  .wsc-rls-card-main h2 {
    font-size: 19px;
  }

  .wsc-rls-step-nav {
    display: flex;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .wsc-rls-step-nav a {
    flex: 0 0 178px;
  }

  .wsc-rls-sentence-card {
    padding: 24px 20px;
    border-radius: 18px;
  }

  .wsc-rls-sentence-text {
    font-size: 23px;
  }

  .wsc-rls-interaction {
    padding: 20px 16px;
  }

  .wsc-rls-analysis-entry {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .wsc-rls-token-line {
    font-size: 19px;
  }

  .wsc-rls-interaction-foot {
    align-items: stretch;
  }

  .wsc-rls-interaction-foot > span {
    flex: 1 0 100%;
    margin-right: 0;
  }

  .wsc-rls-primary,
  .wsc-rls-secondary {
    flex: 1 1 auto;
  }

  .wsc-rls-review {
    padding: 20px 16px;
  }
}

@media (max-width: 440px) {
  .wsc-rls-page-head,
  .wsc-rls-study-head-row {
    display: block;
  }

  .wsc-rls-head-mark {
    display: none;
  }

  .wsc-rls-sentence-counter {
    margin-top: 12px;
  }
}

/* Full-document student shell */
body.wsc-reading-long-sentence-document {
  margin: 0;
  min-height: 100vh;
  background: #f8f6ff;
}
body.wsc-reading-long-sentence-document .wsc-reading-long-sentence {
  min-height: 100vh;
}

/* Embedded teacher admin inside reading management */
.wsc-reading-long-sentence--embedded {
  padding: 8px 0 24px;
  background: transparent;
  min-height: 0;
}
.wsc-rls-embedded-intro {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin: 0 0 18px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid var(--wsc-rls-line);
  border-radius: 16px;
}
.wsc-rls-embedded-intro h2 {
  margin: 4px 0 6px;
  font-size: 22px;
  color: var(--wsc-rls-purple-deep);
}
.wsc-rls-embedded-intro p {
  margin: 0;
  color: var(--wsc-rls-muted);
}
.wsc-rls-delete-action {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin-top: 4px;
}
.wsc-rls-delete-confirm {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  font-size: 12px;
  color: #a33;
}
.wsc-rls-delete-confirm input {
  width: 72px;
  min-height: 28px;
  padding: 0 6px;
  border: 1px solid #f0c2c2;
  border-radius: 8px;
}
.wsc-rls-admin-link.is-danger {
  color: #b42318 !important;
}
@media (max-width: 720px) {
  .wsc-rls-embedded-intro { flex-direction: column; }
}

/* Core selection multi-color feedback */
.wsc-rls-token.is-selected {
  color: #fff !important;
  background: #6741dd !important;
  border-color: #6741dd !important;
  box-shadow: 0 0 0 2px rgba(103, 65, 221, .18);
}
.wsc-rls-token.is-role-subject,
.wsc-rls-token.is-selected.is-role-subject {
  background: #3b82f6 !important;
  border-color: #3b82f6 !important;
}
.wsc-rls-token.is-role-predicate,
.wsc-rls-token.is-selected.is-role-predicate {
  background: #8b5cf6 !important;
  border-color: #8b5cf6 !important;
}
.wsc-rls-token.is-role-object,
.wsc-rls-token.is-selected.is-role-object {
  background: #f59e0b !important;
  border-color: #f59e0b !important;
  color: #1f1635 !important;
}
.wsc-rls-core-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 12px 0 4px;
  color: var(--wsc-rls-muted);
  font-size: 13px;
}
.wsc-rls-core-legend i {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 6px;
  border-radius: 999px;
  vertical-align: middle;
}
.wsc-rls-core-legend .sub i { background: #3b82f6; }
.wsc-rls-core-legend .pred i { background: #8b5cf6; }
.wsc-rls-core-legend .obj i { background: #f59e0b; }


/* Role palette for 找主干 */
.wsc-rls-core-role-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 14px;
}
.wsc-rls-core-role-bar button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--wsc-rls-line);
  border-radius: 999px;
  background: #fff;
  color: var(--wsc-rls-ink);
  font-weight: 700;
}
.wsc-rls-core-role-bar button i {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #c4b5fd;
}
.wsc-rls-core-role-bar button[data-rls-core-role="subject"] i { background: #3b82f6; }
.wsc-rls-core-role-bar button[data-rls-core-role="predicate"] i { background: #8b5cf6; }
.wsc-rls-core-role-bar button[data-rls-core-role="object"] i { background: #f59e0b; }
.wsc-rls-core-role-bar button.is-active {
  border-color: transparent;
  box-shadow: 0 0 0 2px rgba(103,65,221,.18);
}
.wsc-rls-core-role-bar button[data-rls-core-role="subject"].is-active {
  background: #eff6ff;
  color: #1d4ed8;
}
.wsc-rls-core-role-bar button[data-rls-core-role="predicate"].is-active {
  background: #f5f3ff;
  color: #6d28d9;
}
.wsc-rls-core-role-bar button[data-rls-core-role="object"].is-active {
  background: #fffbeb;
  color: #b45309;
}
.wsc-rls-core-role-bar button.is-clear {
  margin-left: auto;
  font-weight: 600;
  color: var(--wsc-rls-muted);
}
.wsc-rls-token.is-selected {
  color: #fff !important;
}
.wsc-rls-token.is-role-subject {
  background: #3b82f6 !important;
  border-color: #3b82f6 !important;
}
.wsc-rls-token.is-role-predicate {
  background: #8b5cf6 !important;
  border-color: #8b5cf6 !important;
}
.wsc-rls-token.is-role-object {
  background: #f59e0b !important;
  border-color: #f59e0b !important;
  color: #1f1635 !important;
}
.wsc-rls-core-answer {
  margin-top: 16px;
}
.wsc-rls-answer-card {
  padding: 16px 18px;
  border: 1px solid var(--wsc-rls-line);
  border-radius: 16px;
  background: #faf8ff;
}
.wsc-rls-answer-card header {
  margin-bottom: 10px;
}
.wsc-rls-answer-card h3 {
  margin: 4px 0 0;
  font-size: 18px;
  color: var(--wsc-rls-purple-deep);
}
.wsc-rls-answer-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.wsc-rls-answer-chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}
.wsc-rls-answer-chip.is-subject { background: #dbeafe; color: #1d4ed8; }
.wsc-rls-answer-chip.is-predicate { background: #ede9fe; color: #6d28d9; }
.wsc-rls-answer-chip.is-object { background: #fef3c7; color: #b45309; }
.wsc-rls-answer-block {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--wsc-rls-line);
}
.wsc-rls-answer-block h4 {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--wsc-rls-purple-deep);
}
.wsc-rls-answer-block p {
  margin: 0;
  color: var(--wsc-rls-ink);
  line-height: 1.6;
}
@media (max-width: 720px) {
  .wsc-rls-core-role-bar button.is-clear { margin-left: 0; width: 100%; justify-content: center; }
}

/* Shared student shell aligned with dictation chapter/mode pages */
.wsc-rls-shell {
  min-height: calc(100vh - 56px);
  margin: 0 auto;
  padding: 28px clamp(26px, 4vw, 64px) 56px;
  border: 1px solid rgba(231, 220, 251, 0.9);
  border-radius: 18px;
  background:
    radial-gradient(circle at 78% 18%, rgba(169, 128, 255, 0.13), transparent 30%),
    linear-gradient(155deg, rgba(255, 255, 255, 0.98), rgba(249, 246, 255, 0.96));
  box-shadow: 0 24px 70px rgba(63, 37, 113, 0.08);
}
.wsc-rls-topbar {
  display: grid;
  grid-template-columns: auto auto minmax(160px, 1fr) auto;
  align-items: center;
  gap: 12px 18px;
  padding-bottom: 18px;
  border-bottom: 5px solid #eee7fa;
}
.wsc-rls-top-title {
  overflow: hidden;
  margin: 0;
  color: #181226;
  font-size: clamp(20px, 2.2vw, 30px);
  font-weight: 800;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.wsc-rls-type-pill {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0 14px;
  color: #5b36c9;
  background: #f0e8ff;
  font-size: 13px;
  font-weight: 900;
}
.wsc-rls-top-count {
  color: #5b36c9;
  font-size: 18px;
  font-weight: 800;
  white-space: nowrap;
}
.wsc-rls-content {
  width: min(1060px, 100%);
  margin: clamp(38px, 7vh, 72px) auto 0;
}
.wsc-rls-mode-content {
  width: min(920px, 100%);
}

/* Home + level list */
.wsc-rls-home-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  color: #5b36c9 !important;
  font-size: 14px;
  font-weight: 800;
}
.wsc-rls-page-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
  padding: 0;
}
.wsc-rls-eyebrow,
.wsc-rls-card-kicker {
  display: block;
  margin: 0;
  color: #5b36c9;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.wsc-rls-page-head h1,
.wsc-rls-mode-content > h1 {
  margin: 6px 0 8px;
  color: #181226;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.035em;
}
.wsc-rls-page-head p,
.wsc-rls-mode-lead {
  margin: 0;
  color: #716781;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
}
.wsc-rls-mode-lead { margin: 0 0 28px; }
.wsc-rls-level-list {
  width: 100%;
  margin: 0;
  display: grid;
  gap: 12px;
}
.wsc-rls-level-card {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 20px 22px;
  background: rgba(255, 255, 255, .94);
  border: 1px solid #e2d7f4;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(83, 54, 143, .05);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.wsc-rls-level-card:hover {
  border-color: #8b62e8;
  box-shadow: 0 14px 34px rgba(100, 62, 190, .1);
  transform: translateY(-1px);
}
.wsc-rls-level-index {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  color: #6a42cf;
  background: #f0e9ff;
  font-size: 18px;
  font-weight: 900;
}
.wsc-rls-level-title-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.wsc-rls-level-title-row h2 {
  margin: 0;
  color: #21182e;
  font-size: 20px;
  font-weight: 800;
  line-height: 1.25;
}
.wsc-rls-level-status {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0 9px;
  color: #766a84;
  background: #f2eef7;
  font-size: 11px;
  font-weight: 900;
  font-style: normal;
}
.wsc-rls-level-status.is-todo { color: #766a84; background: #f2eef7; }
.wsc-rls-level-status.is-active { color: #6340bd; background: #eee6ff; }
.wsc-rls-level-status.is-done { color: #218653; background: #e9f8ef; }
.wsc-rls-level-code,
.wsc-rls-level-meta {
  display: block;
  margin: 5px 0 0;
  color: #746a81;
  font-size: 14px;
  font-weight: 500;
}
.wsc-rls-level-meta { margin-top: 4px; }
.wsc-rls-progress-track {
  height: 6px;
  margin-top: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: #ece6f7;
}
.wsc-rls-progress-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #6940d7, #9e72f7);
}
.wsc-rls-level-cta {
  min-height: 42px;
  min-width: 108px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 12px;
  color: #fff !important;
  background: linear-gradient(145deg, #8e64ef, #6740d7);
  box-shadow: 0 10px 22px rgba(103, 64, 212, .18);
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

/* Mode select */
.wsc-rls-mode-select { width: min(1180px, 100%); margin: 0 auto; }
.wsc-rls-mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.wsc-rls-mode-card {
  position: relative;
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 5px 15px;
  min-height: 240px;
  padding: 26px;
  overflow: hidden;
  border: 1px solid #e6dcf6;
  border-radius: 18px;
  color: #2e2740;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 12px 32px rgba(71, 48, 116, 0.05);
  text-align: left;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.wsc-rls-mode-card:hover {
  transform: translateY(-2px);
  border-color: #cdbaf3;
  box-shadow: 0 18px 40px rgba(99, 63, 170, 0.1);
}
.wsc-rls-mode-card.is-selected,
.wsc-rls-mode-card.is-practice {
  border: 2px solid #7b54df;
  padding: 25px;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.98), rgba(245, 239, 255, 0.94));
  box-shadow: 0 18px 44px rgba(103, 59, 226, 0.14);
}
.wsc-rls-mode-icon {
  grid-row: 1 / span 3;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(145deg, #8e64ef, #6740d7);
  font-size: 20px;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(103, 64, 212, .22);
}
.wsc-rls-mode-card strong {
  align-self: end;
  color: #21182f;
  font-size: 23px;
  font-weight: 800;
  line-height: 1.2;
}
.wsc-rls-mode-card small {
  color: #6f6580;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.55;
}
.wsc-rls-mode-card em {
  grid-column: 1 / -1;
  position: relative;
  margin: 0 0 0 2px;
  padding-left: 24px;
  color: #51465f;
  font-size: 14px;
  font-style: normal;
  font-weight: 600;
  line-height: 1.5;
}
.wsc-rls-mode-card em::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #6f44d7;
  font-weight: 900;
}
.wsc-rls-mode-cta {
  grid-column: 1 / -1;
  margin-top: 8px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 0 18px;
  border-radius: 12px;
  color: #fff !important;
  background: linear-gradient(145deg, #8e64ef, #6740d7);
  box-shadow: 0 10px 22px rgba(103, 64, 212, .18);
  font-size: 14px;
  font-weight: 800;
}
.wsc-rls-mode-card.is-learn .wsc-rls-mode-cta {
  background: #fff;
  color: #5b36c9 !important;
  border: 1px solid #d8c7f7;
  box-shadow: none;
}

@media (max-width: 820px) {
  .wsc-rls-shell { padding: 20px 16px 36px; border-radius: 14px; }
  .wsc-rls-topbar {
    grid-template-columns: auto 1fr;
    gap: 10px 12px;
  }
  .wsc-rls-top-title { grid-column: 1 / -1; white-space: normal; }
  .wsc-rls-top-count { justify-self: start; }
  .wsc-rls-page-head h1,
  .wsc-rls-mode-content > h1 { font-size: clamp(28px, 8vw, 36px); }
  .wsc-rls-level-card {
    grid-template-columns: 52px minmax(0, 1fr);
  }
  .wsc-rls-level-cta {
    grid-column: 1 / -1;
    width: 100%;
  }
  .wsc-rls-mode-grid { grid-template-columns: 1fr; }
  .wsc-rls-mode-cta { width: 100%; }
}

/* Learn mode */
.wsc-rls-learn-sentence {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 6px;
  margin: 8px 0 12px;
  line-height: 1.8;
  font-size: 22px;
  color: var(--wsc-rls-ink);
}
.wsc-rls-learn-token {
  display: inline-flex;
  padding: 2px 6px;
  border-radius: 8px;
}
.wsc-rls-learn-token.is-role-subject { background: #dbeafe; color: #1d4ed8; }
.wsc-rls-learn-token.is-role-predicate { background: #ede9fe; color: #6d28d9; }
.wsc-rls-learn-token.is-role-object { background: #fef3c7; color: #b45309; }
.wsc-rls-learn-token.is-other { background: #f4f4f5; color: #3f3f46; }
.wsc-rls-core-legend .oth i { background: #a1a1aa; }
.wsc-rls-learn-panels {
  width: 100%;
  max-width: none;
  margin: 18px 0 0;
  display: grid;
  gap: 16px;
  box-sizing: border-box;
}
.wsc-rls-pattern-panel,
.wsc-rls-video-panel {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--wsc-rls-line);
  border-radius: 18px;
  box-sizing: border-box;
}
.wsc-rls-pattern-panel h2,
.wsc-rls-video-panel h2 {
  margin: 4px 0 6px;
  color: var(--wsc-rls-purple-deep);
}
.wsc-rls-pattern-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.wsc-rls-pattern-card {
  padding: 14px;
  border-radius: 14px;
  background: #faf8ff;
  border: 1px solid #ece7ff;
}
.wsc-rls-pattern-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--wsc-rls-purple-deep);
}
.wsc-rls-pattern-meaning { margin: 0 0 8px; color: var(--wsc-rls-muted); }
.wsc-rls-pattern-example { margin: 0; color: var(--wsc-rls-ink); }
.wsc-rls-pattern-example span {
  display: inline-flex;
  margin-right: 6px;
  padding: 0 6px;
  border-radius: 999px;
  background: #ede9fe;
  color: #6d28d9;
  font-size: 12px;
  font-weight: 700;
}
.wsc-rls-video-frame {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  margin-top: 10px;
  border-radius: 14px;
  overflow: hidden;
  background: #0f172a;
}
.wsc-rls-video-frame iframe,
.wsc-rls-video-frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.wsc-rls-secondary-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  margin-right: 10px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid var(--wsc-rls-line);
  color: var(--wsc-rls-purple-deep) !important;
  font-weight: 700;
}
.wsc-rls-check-label {
  display: flex !important;
  align-items: center;
  gap: 8px;
  grid-column: 1 / -1;
}
@media (max-width: 820px) {
  .wsc-rls-mode-grid { grid-template-columns: 1fr; }
  .wsc-rls-level-card { grid-template-columns: 52px 1fr; }
  .wsc-rls-level-cta { grid-column: 2; }
}


/* Match dictation/site display title font (WenYue XinQingNianTi) */
.wsc-reading-long-sentence h1,
.wsc-rls-page-head h1,
.wsc-rls-mode-content > h1,
.wsc-rls-study-head h1,
.wsc-rls-top-title {
  font-family: "WenYue XinQingNianTi (Non-Commercial Use)", "PingFang SC", "Microsoft YaHei", sans-serif !important;
  font-weight: 400 !important;
  letter-spacing: -2px !important;
  line-height: 1.15 !important;
}
.wsc-rls-page-head h1,
.wsc-rls-mode-content > h1 {
  font-size: clamp(32px, 4vw, 48px) !important;
  color: #181226 !important;
}



/* ===== Practice sets (horizontal bars) ===== */
.wsc-rls-set-library .wsc-rls-content {
  max-width: 920px;
}
.wsc-rls-set-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 8px;
}
.wsc-rls-set-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px 20px;
  padding: 16px 18px;
  border: 1px solid rgba(124, 92, 255, 0.16);
  border-radius: 16px;
  background: linear-gradient(90deg, #fbf9ff 0%, #f7f4ff 100%);
  box-shadow: 0 8px 20px rgba(88, 70, 160, 0.05);
  min-height: 0;
}
.wsc-rls-set-card.is-joined {
  border-color: rgba(124, 92, 255, 0.32);
}
.wsc-rls-set-main {
  min-width: 0;
  display: grid;
  gap: 6px;
}
.wsc-rls-set-card-top {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.wsc-rls-set-audience,
.wsc-rls-set-badge {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}
.wsc-rls-set-audience {
  color: #6b4de0;
  background: rgba(124, 92, 255, 0.12);
}
.wsc-rls-set-badge {
  color: #5b46b8;
  background: #fff;
  border: 1px solid rgba(124, 92, 255, 0.22);
}
.wsc-rls-set-card h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
  color: #2a2148;
  font-family: "WenYue XinQingNianTi", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 400;
}
.wsc-rls-set-sub {
  margin: 0;
  color: #6f678c;
  font-size: 14px;
}
.wsc-rls-set-meta {
  margin: 0;
  color: #857ca3;
  font-size: 13px;
}
.wsc-rls-set-actions {
  margin-top: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 148px;
}
.wsc-rls-set-enter,
.wsc-rls-set-join {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid rgba(124, 92, 255, 0.22);
  background: #fff;
  color: #5b46b8;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.wsc-rls-set-enter {
  background: #6b4de0;
  border-color: #6b4de0;
  color: #fff;
}
.wsc-rls-set-enter:hover { filter: brightness(1.05); color: #fff; }
.wsc-rls-set-join:hover { background: #f4f0ff; }
.wsc-rls-set-join[data-joined="1"] {
  color: #6f678c;
  cursor: default;
}
@media (max-width: 720px) {
  .wsc-rls-set-card {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .wsc-rls-set-actions {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .wsc-rls-set-enter,
  .wsc-rls-set-join {
    flex: 1 1 140px;
  }
  .wsc-rls-set-card h2 { font-size: 20px; }
}

/* ===== Core answer bilingual reveal ===== */
.wsc-rls-answer-card.is-correct {
  border-color: rgba(34, 197, 94, 0.35);
  background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 42%);
}
.wsc-rls-answer-card.is-incorrect {
  border-color: rgba(245, 158, 11, 0.35);
  background: linear-gradient(180deg, #fffbeb 0%, #ffffff 42%);
}
.wsc-rls-answer-hint {
  margin: 0 0 12px;
  color: #6b5f8a;
  font-size: 14px;
  line-height: 1.55;
}
.wsc-rls-answer-bilingual {
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
}
.wsc-rls-answer-en,
.wsc-rls-answer-zh {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  align-items: start;
  padding: 12px 14px;
  border-radius: 14px;
  background: #f8f6ff;
  border: 1px solid rgba(124, 92, 255, 0.12);
}
.wsc-rls-answer-zh {
  background: #f7fafc;
  border-color: rgba(100, 116, 139, 0.14);
}
.wsc-rls-answer-lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 24px;
  border-radius: 999px;
  background: #fff;
  color: #6b4de0;
  font-size: 12px;
  font-weight: 700;
}
.wsc-rls-answer-zh .wsc-rls-answer-lang {
  color: #475569;
}
.wsc-rls-answer-sentence,
.wsc-rls-answer-en p,
.wsc-rls-answer-zh p {
  margin: 0;
  color: #2a2148;
  font-size: 16px;
  line-height: 1.7;
}
.wsc-rls-ans-mark {
  display: inline;
  padding: 0 4px;
  border-radius: 6px;
  font-weight: 600;
}
.wsc-rls-ans-mark.is-subject { background: #dbeafe; color: #1d4ed8; }
.wsc-rls-ans-mark.is-predicate { background: #ede9fe; color: #6d28d9; }
.wsc-rls-ans-mark.is-object { background: #fef3c7; color: #b45309; }
.wsc-rls-answer-roles {
  display: grid;
  gap: 8px;
  margin: 0 0 12px;
}
.wsc-rls-answer-role {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 4px 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: #faf8ff;
}
.wsc-rls-answer-role.is-subject {
  background: #eff6ff;
  border-color: rgba(59, 130, 246, 0.18);
}
.wsc-rls-answer-role.is-predicate {
  background: #f5f3ff;
  border-color: rgba(124, 58, 237, 0.18);
}
.wsc-rls-answer-role.is-object {
  background: #fffbeb;
  border-color: rgba(245, 158, 11, 0.2);
}
.wsc-rls-answer-role-label {
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 13px;
  font-weight: 700;
  color: #64748b;
}
.wsc-rls-answer-role.is-subject .wsc-rls-answer-role-label { color: #1d4ed8; }
.wsc-rls-answer-role.is-predicate .wsc-rls-answer-role-label { color: #6d28d9; }
.wsc-rls-answer-role.is-object .wsc-rls-answer-role-label { color: #b45309; }
.wsc-rls-answer-role-en {
  font-size: 15px;
  color: #1f1637;
  font-weight: 700;
}
.wsc-rls-answer-role-zh {
  font-style: normal;
  font-size: 13px;
  color: #6b7280;
  line-height: 1.45;
}
@media (max-width: 640px) {
  .wsc-rls-answer-role {
    grid-template-columns: 1fr;
  }
  .wsc-rls-answer-role-label {
    grid-row: auto;
  }
  .wsc-rls-answer-en,
  .wsc-rls-answer-zh {
    grid-template-columns: 1fr;
  }
}


/* Learn answer align: same width as CORE SENTENCE card */
.wsc-rls-study.is-learn-mode .wsc-rls-sentence-card,
.wsc-rls-study.is-learn-mode .wsc-rls-learn-panels,
.wsc-rls-study.is-learn-mode .wsc-rls-answer-card,
.wsc-rls-study.is-learn-mode .wsc-rls-pattern-panel,
.wsc-rls-study.is-learn-mode .wsc-rls-video-panel {
  width: 100%;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  box-sizing: border-box;
}
.wsc-rls-study.is-learn-mode .wsc-rls-learn-panels {
  margin-top: 16px;
}
.wsc-rls-study.is-learn-mode .wsc-rls-answer-card {
  padding: 22px clamp(22px, 5vw, 64px);
  border-radius: 24px;
}
.wsc-rls-study.is-learn-mode .wsc-rls-pattern-panel {
  padding: 22px clamp(22px, 5vw, 64px);
  border-radius: 24px;
}


/* Collection media upload box */
.wsc-rls-media-box {
  margin: 18px 0 8px;
  padding: 18px 18px 14px;
  background: #f8f6ff;
  border: 1px solid #ddd4ff;
  border-radius: 18px;
}
.wsc-rls-media-box-head {
  display: grid;
  gap: 4px;
  margin-bottom: 14px;
}
.wsc-rls-media-box-head strong {
  color: var(--wsc-rls-purple-deep, #2c245a);
  font-size: 16px;
}
.wsc-rls-media-box-head span,
.wsc-rls-media-box .description,
.wsc-rls-media-file em {
  color: #6b6490;
  font-size: 13px;
}
.wsc-rls-media-box-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.wsc-rls-media-box label {
  display: grid;
  gap: 8px;
}
.wsc-rls-media-box input[type="url"],
.wsc-rls-media-box input[type="file"] {
  width: 100%;
}
.wsc-rls-media-current {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed #d9d0ff;
  word-break: break-all;
}
.wsc-rls-media-current a {
  color: var(--wsc-rls-purple, #6741dd);
}
.wsc-rls-media-msg {
  margin: 10px 0 0;
  font-size: 13px;
}
.wsc-rls-media-msg.is-error { color: #b42318; }
.wsc-rls-media-msg.is-success { color: #027a48; }
.wsc-rls-video-frame audio {
  display: block;
  width: 100%;
  min-height: 48px;
}
@media (max-width: 900px) {
  .wsc-rls-media-box-grid {
    grid-template-columns: 1fr;
  }
}