.powell-exam-pc-page {
  box-sizing: border-box;
  min-height: 100%;
  color: var(--ls-text);
}

.powell-exam-pc-page *,
.powell-exam-pc-page *::before,
.powell-exam-pc-page *::after {
  box-sizing: inherit;
}

.powell-exam-pc-shell {
  padding-top: 16px;
}

.powell-exam-pc-page button,
.powell-exam-pc-editor button {
  font: inherit;
  font-size: 14px;
}

.powell-exam-pc-editor [hidden] { display: none; }

.powell-exam-pc-page :is(button, a):focus-visible,
.powell-exam-pc-editor-modal :is(button, a):focus-visible {
  outline: 2px solid color-mix(in srgb, var(--ls-primary) 42%, transparent);
  outline-offset: 2px;
  box-shadow: none;
}

.powell-exam-pc-page :is(input, select, textarea):focus,
.powell-exam-pc-editor-modal :is(input, select, textarea):focus {
  border-color: var(--ls-primary);
  outline: 0;
  box-shadow: none;
}

.powell-exam-pc-page .ls-ui-render-field:is(:focus, :focus-visible, .is-focus, .is-open),
.powell-exam-pc-editor-modal .ls-ui-render-field:is(:focus, :focus-visible, .is-focus, .is-open) {
  border-color: var(--ls-primary);
  outline: 0;
  box-shadow: none;
}

.powell-exam-pc-page .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.powell-exam-pc-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 24px;
  background: var(--ls-card-bg);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-lg);
}

.powell-exam-pc-topbar h1,
.powell-exam-pc-topbar p,
.powell-exam-pc-paper h2,
.powell-exam-pc-paper p,
.powell-exam-pc-detail h2,
.powell-exam-pc-detail p,
.powell-exam-pc-question h3,
.powell-exam-pc-question p,
.powell-exam-pc-admin h2,
.powell-exam-pc-admin h3,
.powell-exam-pc-admin p {
  margin: 0;
}

.powell-exam-pc-page :is(h1, h2, h3, h4),
.powell-exam-pc-editor-modal :is(h1, h2, h3, h4) {
  font-weight: 600;
}

.powell-exam-pc-page :is(strong, b),
.powell-exam-pc-editor-modal :is(strong, b) {
  font-weight: 500;
}

.powell-exam-pc-topbar h1 {
  color: var(--ls-text-primary);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.powell-exam-pc-topbar p {
  margin-top: 5px;
  color: var(--ls-text-secondary);
  line-height: 1.6;
}

.powell-exam-pc-topbar nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.powell-exam-pc-topbar nav button,
.powell-exam-pc-toolbar button,
.powell-exam-pc-paper-side button,
.powell-exam-pc-detail button,
.powell-exam-pc-submitbar button,
.powell-exam-pc-result button,
.powell-exam-pc-record button,
.powell-exam-pc-pager button,
.powell-exam-pc-section-title button,
.powell-exam-pc-admin-main :where(button:not(.ls-ui-render-option):not(.ls-ui-render-time-option)),
.powell-exam-pc-editor :where(button:not(.ls-ui-render-option):not(.ls-ui-render-time-option)),
.powell-exam-pc-state button,
.powell-exam-pc-load-error button,
.powell-exam-pc-empty button {
  min-height: 40px;
  padding: 0 15px;
  color: var(--ls-card-bg);
  background: var(--ls-primary);
  border: 1px solid var(--ls-primary);
  border-radius: var(--ls-radius-md);
  cursor: pointer;
  transition: color var(--ls-transition), background-color var(--ls-transition), border-color var(--ls-transition);
}

.powell-exam-pc-topbar nav button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ls-text-secondary);
  background: transparent;
  border-color: transparent;
}

.powell-exam-pc-topbar nav button.is-active {
  color: var(--ls-primary);
  background: var(--ls-primary-light);
  border-color: var(--ls-primary-light);
}

.powell-exam-pc-page :where(button:not(.ls-ui-render-option):not(.ls-ui-render-time-option)):not(:disabled):hover,
.powell-exam-pc-editor :where(button:not(.ls-ui-render-option):not(.ls-ui-render-time-option)):not(:disabled):hover {
  color: var(--ls-primary);
  background: var(--ls-primary-light);
  border-color: var(--ls-primary);
}

.powell-exam-pc-page button:not(.ls-ui-render-option):not(.ls-ui-render-time-option):disabled,
.powell-exam-pc-editor-modal button:not(.ls-ui-render-option):not(.ls-ui-render-time-option):disabled {
  color: var(--ls-text-muted);
  background: var(--ls-bg-hover);
  border-color: var(--ls-border);
  cursor: not-allowed;
}

.powell-exam-pc-page button.is-ghost,
.powell-exam-pc-editor-modal button.is-ghost,
.powell-exam-pc-back {
  color: var(--ls-text-secondary);
  background: var(--ls-card-bg);
  border-color: var(--ls-border);
}

.powell-exam-pc-page button.is-danger {
  color: var(--ls-danger);
  background: var(--ls-card-bg);
  border-color: color-mix(in srgb, var(--ls-danger) 35%, var(--ls-border));
}

.powell-exam-pc-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
  padding: 14px;
  background: var(--ls-card-bg);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-lg);
}

.powell-exam-pc-toolbar label {
  flex: 1 1 320px;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: min(320px, 100%);
  height: 38px;
  padding: 0 12px;
  color: var(--ls-text-muted);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-md);
}

.powell-exam-pc-toolbar label:focus-within {
  border-color: var(--ls-primary);
}

.powell-exam-pc-toolbar input {
  min-width: 0;
  flex: 1;
  color: var(--ls-text);
  background: transparent;
  border: 0;
  outline: 0;
}

.powell-exam-pc-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.powell-exam-pc-paper {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 20%);
  gap: 24px;
  padding: 22px 24px;
  background: var(--ls-card-bg);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-lg);
}

.powell-exam-pc-paper-main {
  min-width: 0;
}

.powell-exam-pc-paper-head,
.powell-exam-pc-paper-meta,
.powell-exam-pc-detail-title,
.powell-exam-pc-section-title,
.powell-exam-pc-admin-head,
.powell-exam-pc-row-actions,
.powell-exam-pc-editor-actions,
.powell-exam-pc-review-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.powell-exam-pc-paper-head {
  color: var(--ls-text-muted);
  font-size: 13px;
}

.powell-exam-pc-paper h2 {
  margin-top: 12px;
  color: var(--ls-text-primary);
  font-size: 20px;
  line-height: 1.35;
}

.powell-exam-pc-paper p {
  max-width: 72ch;
  margin-top: 8px;
  color: var(--ls-text-secondary);
  line-height: 1.65;
}

.powell-exam-pc-paper-meta {
  flex-wrap: wrap;
  margin-top: 15px;
  color: var(--ls-text-muted);
  font-size: 13px;
}

.powell-exam-pc-paper-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.powell-exam-pc-paper-side {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  padding-left: 24px;
  border-left: 1px solid var(--ls-border-light);
}

.powell-exam-pc-paper-side div {
  display: grid;
  gap: 6px;
  color: var(--ls-text-muted);
  font-size: 13px;
}

.powell-exam-pc-paper-side strong {
  color: var(--ls-text-primary);
}

.powell-exam-pc-status {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  color: var(--ls-text-secondary);
  background: var(--ls-bg-hover);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

.powell-exam-pc-status:is(.is-available, .is-published, .is-active, .is-graded) {
  color: var(--ls-success);
  background: color-mix(in srgb, var(--ls-success) 10%, var(--ls-card-bg));
}

.powell-exam-pc-status:is(.is-upcoming, .is-review, .is-draft) {
  color: var(--ls-warning);
  background: color-mix(in srgb, var(--ls-warning) 10%, var(--ls-card-bg));
}

.powell-exam-pc-status:is(.is-ended, .is-disabled, .is-in_progress, .is-inactive) {
  color: var(--ls-text-muted);
}

.powell-exam-pc-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(230px, 26%);
  gap: 20px;
  margin-top: 16px;
}

.powell-exam-pc-detail-main,
.powell-exam-pc-detail-action,
.powell-exam-pc-exam-head,
.powell-exam-pc-result,
.powell-exam-pc-records,
.powell-exam-pc-ranking,
.powell-exam-pc-admin {
  background: var(--ls-card-bg);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-lg);
}

.powell-exam-pc-detail-main {
  padding: 24px;
}

.powell-exam-pc-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
}

.powell-exam-pc-detail-title {
  display: grid;
  gap: 8px;
}

.powell-exam-pc-detail-heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px;
}

.powell-exam-pc-detail-heading .powell-exam-pc-status {
  margin-top: 5px;
}

.powell-exam-pc-detail-title h2 {
  min-width: 0;
  color: var(--ls-text-primary);
  font-size: 28px;
  line-height: 1.4;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
}

.powell-exam-pc-detail-title p {
  max-width: 70ch;
  color: var(--ls-text-secondary);
  line-height: 1.75;
}

.powell-exam-pc-rules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1px;
  margin: 24px 0 0;
  overflow: hidden;
  background: var(--ls-border-light);
  border: 1px solid var(--ls-border-light);
  border-radius: var(--ls-radius-md);
}

.powell-exam-pc-rules div {
  padding: 16px;
  background: var(--ls-card-bg);
}

.powell-exam-pc-rules dt {
  color: var(--ls-text-muted);
  font-size: 12px;
}

.powell-exam-pc-rules dd {
  margin: 5px 0 0;
  color: var(--ls-text-primary);
  font-weight: 500;
}

.powell-exam-pc-detail-action {
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  text-align: center;
}

.powell-exam-pc-detail-action > strong {
  color: var(--ls-text-primary);
  font-size: 34px;
}

.powell-exam-pc-detail-action > span {
  margin-bottom: 10px;
  color: var(--ls-text-muted);
}

.powell-exam-pc-exam-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding: 18px 22px;
}

.powell-exam-pc-exam-head span,
.powell-exam-pc-clock span {
  color: var(--ls-text-muted);
  font-size: 12px;
}

.powell-exam-pc-exam-head h2 {
  margin: 5px 0 0;
  color: var(--ls-text-primary);
}

.powell-exam-pc-clock {
  display: grid;
  justify-items: end;
  gap: 4px;
}

.powell-exam-pc-clock strong {
  color: var(--ls-primary);
  font-size: 28px;
  font-variant-numeric: tabular-nums;
}

.powell-exam-pc-answer-sheet {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.powell-exam-pc-question {
  padding: 22px 24px;
  background: var(--ls-card-bg);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-lg);
}

.powell-exam-pc-question.is-correct {
  border-color: color-mix(in srgb, var(--ls-success) 45%, var(--ls-border));
}

.powell-exam-pc-question.is-wrong {
  border-color: color-mix(in srgb, var(--ls-danger) 45%, var(--ls-border));
}

.powell-exam-pc-question-head {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
}

.powell-exam-pc-question-head > span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--ls-primary);
  background: var(--ls-primary-light);
  border-radius: var(--ls-radius-md);
  font-weight: 500;
}

.powell-exam-pc-question-head h3 {
  color: var(--ls-text-primary);
  font-size: 17px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.powell-exam-pc-question-head p {
  margin-top: 5px;
  color: var(--ls-text-muted);
  font-size: 12px;
}

.powell-exam-pc-options {
  display: grid;
  gap: 9px;
  margin: 18px 0 0 46px;
}

.powell-exam-pc-options label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 12px;
  border: 1px solid var(--ls-border-light);
  border-radius: var(--ls-radius-md);
  cursor: pointer;
}

.powell-exam-pc-options label > :is(input[type="checkbox"], input[type="radio"]) {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  margin: 0;
  -webkit-appearance: auto;
  appearance: auto;
  accent-color: var(--ls-primary);
}

.powell-exam-pc-options label > span {
  min-width: 0;
  line-height: 1.5;
}

.powell-exam-pc-options label:has(input:checked) {
  color: var(--ls-primary);
  background: var(--ls-primary-light);
  border-color: var(--ls-primary);
}

.powell-exam-pc-options input[type="text"],
.powell-exam-pc-options textarea,
.powell-exam-pc-editor :is(input, select, textarea),
.powell-exam-pc-admin-filters :is(input, select) {
  width: 100%;
  min-height: 40px;
  padding: 9px 11px;
  color: var(--ls-text);
  background: var(--ls-card-bg);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-md);
}

.powell-exam-pc-options textarea,
.powell-exam-pc-editor textarea {
  resize: vertical;
  line-height: 1.65;
}

.powell-exam-pc-analysis {
  margin: 16px 0 0 46px;
  padding: 14px;
  background: var(--ls-bg-hover);
  border-radius: var(--ls-radius-md);
}

.powell-exam-pc-analysis p {
  margin: 6px 0 0;
  color: var(--ls-text-secondary);
  line-height: 1.7;
}

.powell-exam-pc-submitbar {
  position: sticky;
  bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 16px;
  background: var(--ls-card-bg);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-lg);
  box-shadow: var(--ls-shadow-sm);
}

.powell-exam-pc-submitbar > span {
  margin-right: auto;
  color: var(--ls-text-muted);
}

.powell-exam-pc-result {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 16px;
  padding: 24px;
}

.powell-exam-pc-result-score {
  display: flex;
  align-items: baseline;
  gap: 4px;
  min-width: 170px;
  padding-right: 28px;
  border-right: 1px solid var(--ls-border-light);
}

.powell-exam-pc-result-score span {
  align-self: flex-start;
  color: var(--ls-text-muted);
  font-size: 12px;
}

.powell-exam-pc-result-score strong {
  color: var(--ls-primary);
  font-size: 46px;
  font-weight: 500;
}

.powell-exam-pc-result-score em {
  color: var(--ls-text-muted);
  font-style: normal;
}

.powell-exam-pc-result h2 {
  margin: 0;
  color: var(--ls-text-primary);
}

.powell-exam-pc-result p {
  margin: 7px 0 13px;
  color: var(--ls-text-secondary);
}

.powell-exam-pc-records,
.powell-exam-pc-ranking {
  margin-top: 16px;
  padding: 22px;
}

.powell-exam-pc-section-title,
.powell-exam-pc-admin-head {
  justify-content: space-between;
  margin-bottom: 18px;
}

.powell-exam-pc-section-title h2,
.powell-exam-pc-admin-head h2 {
  margin: 0;
  color: var(--ls-text-primary);
}

.powell-exam-pc-section-title span {
  color: var(--ls-text-muted);
}

.powell-exam-pc-record {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px 110px;
  align-items: center;
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--ls-border-light);
}

.powell-exam-pc-record h3 {
  margin: 8px 0 3px;
  color: var(--ls-text-primary);
}

.powell-exam-pc-record p {
  margin: 0;
  color: var(--ls-text-muted);
}

.powell-exam-pc-record-score strong {
  color: var(--ls-text-primary);
  font-size: 24px;
  font-weight: 500;
}

.powell-exam-pc-record-score span {
  color: var(--ls-text-muted);
}

.powell-exam-pc-ranking-table {
  border-top: 1px solid var(--ls-border-light);
}

.powell-exam-pc-rank-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 120px 90px;
  align-items: center;
  gap: 14px;
  padding: 13px 6px;
  border-bottom: 1px solid var(--ls-border-light);
}

.powell-exam-pc-rank-row > strong {
  color: var(--ls-primary);
  text-align: center;
}

.powell-exam-pc-rank-row a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.powell-exam-pc-rank-row img {
  width: 34px;
  height: 34px;
  object-fit: cover;
  border-radius: 50%;
}

.powell-exam-pc-admin {
  display: grid;
  grid-template-columns: minmax(150px, 18%) minmax(0, 1fr);
  min-height: 610px;
  margin-top: 16px;
  overflow: hidden;
}

.powell-exam-pc-admin-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: var(--ls-bg-hover);
  border-right: 1px solid var(--ls-border);
}

.powell-exam-pc-admin-nav button {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: var(--ls-radius-md);
  cursor: pointer;
  justify-content: flex-start;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--ls-text-secondary);
  background: transparent;
  border-color: transparent;
}

.powell-exam-pc-admin-nav button.is-active {
  color: var(--ls-primary);
  background: var(--ls-primary-light);
  border-color: var(--ls-primary-light);
}

.powell-exam-pc-admin-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 22px;
}

.powell-exam-pc-admin-head > div:last-child:not(:first-child) {
  display: flex;
  gap: 8px;
}

.powell-exam-pc-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}

.powell-exam-pc-metrics div {
  display: grid;
  gap: 8px;
  padding: 16px;
  background: var(--ls-bg-hover);
  border-radius: var(--ls-radius-md);
}

.powell-exam-pc-metrics span {
  color: var(--ls-text-muted);
}

.powell-exam-pc-metric-value {
  color: var(--ls-text-primary);
  font-size: 25px;
  font-weight: 400;
}

.powell-exam-pc-admin-filters {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1fr) auto;
  gap: 10px;
  margin-bottom: 14px;
}

.powell-exam-pc-admin-list {
  border-top: 1px solid var(--ls-border-light);
}

.powell-exam-pc-admin-list.is-workspace-empty {
  display: grid;
  flex: 1;
  min-height: 300px;
}

.powell-exam-pc-admin-list > article {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ls-border-light);
}

.powell-exam-pc-admin-list > article > div:first-child {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 4px 8px;
  flex: 1 1 320px;
  min-width: 0;
}

.powell-exam-pc-admin-list h3 {
  margin: 0;
  color: var(--ls-text-primary);
  font-size: 16px;
  line-height: 1.45;
}

.powell-exam-pc-admin-list p {
  grid-column: 1 / -1;
  margin-top: 0;
  color: var(--ls-text-muted);
  line-height: 1.55;
}

.powell-exam-pc-admin-list dl {
  display: flex;
  gap: 18px;
  margin: 0;
}

.powell-exam-pc-admin-list dl div {
  text-align: center;
}

.powell-exam-pc-admin-list dt {
  color: var(--ls-text-muted);
  font-size: 12px;
}

.powell-exam-pc-admin-list dd {
  margin: 4px 0 0;
  color: var(--ls-text-primary);
  font-weight: 500;
}

.powell-exam-pc-editor {
  padding: 0;
}

.powell-exam-pc-editor form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.powell-exam-pc-editor label {
  display: grid;
  gap: 7px;
  color: var(--ls-text-secondary);
  font-size: 13px;
}

.powell-exam-pc-question-builder {
  min-width: 0;
}

.powell-exam-pc-builder-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 9px;
}

.powell-exam-pc-builder-head > div {
  display: grid;
  gap: 3px;
}

.powell-exam-pc-builder-head span,
.powell-exam-pc-question-more summary > span {
  color: var(--ls-text-primary);
  font-weight: 500;
}

.powell-exam-pc-builder-head small,
.powell-exam-pc-question-more summary > small {
  color: var(--ls-text-muted);
  font-size: 12px;
}

.powell-exam-pc-option-list,
.powell-exam-pc-fill-list {
  display: grid;
  gap: 8px;
}

.powell-exam-pc-option-row,
.powell-exam-pc-fill-row {
  display: grid;
  grid-template-columns: 18px 28px minmax(0, 1fr) 36px;
  align-items: center;
  gap: 8px;
}

.powell-exam-pc-fill-row {
  grid-template-columns: 28px minmax(0, 1fr) 36px;
}

.powell-exam-pc-option-row > span,
.powell-exam-pc-fill-row > span {
  display: grid;
  place-items: center;
  color: var(--ls-text-secondary);
  font-size: 12px;
}

.powell-exam-pc-option-row > input:is([type="radio"], [type="checkbox"]),
.powell-exam-pc-judge input[type="radio"] {
  width: 16px;
  height: 16px;
  min-height: 0;
  padding: 0;
  margin: 0;
  accent-color: var(--ls-primary);
}

.powell-exam-pc-option-row > button.is-ghost,
.powell-exam-pc-fill-row > button.is-ghost {
  display: grid;
  place-items: center;
  width: 36px;
  min-height: 36px;
  padding: 0;
  color: var(--ls-text-secondary);
  background: transparent;
  border-color: transparent;
}

.powell-exam-pc-option-row > button.is-ghost:not(:disabled):hover,
.powell-exam-pc-fill-row > button.is-ghost:not(:disabled):hover { color: var(--ls-danger); background: var(--ls-bg-hover); border-color: transparent; }

.powell-exam-pc-judge {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.powell-exam-pc-judge label {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 0 13px;
  color: var(--ls-text-primary);
  background: var(--ls-card-bg);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-md);
  cursor: pointer;
}

.powell-exam-pc-judge label:has(input:checked) {
  color: var(--ls-primary);
  background: var(--ls-primary-light);
  border-color: var(--ls-primary);
}

.powell-exam-pc-answer-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 14px;
  background: var(--ls-bg-hover);
  border-radius: var(--ls-radius-md);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ls-text-secondary);
}

.powell-exam-pc-question-more,
.powell-exam-pc-paper-more {
  border-top: 1px solid var(--ls-border-light);
}

.powell-exam-pc-question-more summary,
.powell-exam-pc-paper-more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
}

.powell-exam-pc-question-more summary::-webkit-details-marker,
.powell-exam-pc-paper-more summary::-webkit-details-marker {
  display: none;
}

.powell-exam-pc-question-more summary::after,
.powell-exam-pc-paper-more summary::after {
  margin-left: auto;
  color: var(--ls-text-muted);
  content: "+";
}

.powell-exam-pc-question-more[open] summary::after,
.powell-exam-pc-paper-more[open] summary::after {
  content: "−";
}

.powell-exam-pc-question-more > div,
.powell-exam-pc-paper-more > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding-top: 2px;
}

.powell-exam-pc-editor .is-wide,
.powell-exam-pc-editor-actions {
  grid-column: 1 / -1;
}

.powell-exam-pc-paper-section {
  min-width: 0;
  padding: 0;
  margin: 0;
  border: 0;
  border-top: 1px solid var(--ls-border-light);
}

.powell-exam-pc-paper-section legend {
  padding: 14px 0 10px;
  color: var(--ls-text-primary);
  font-size: 13px;
  font-weight: 500;
}

.powell-exam-pc-paper-section > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.powell-exam-pc-paper-section label > small {
  color: var(--ls-text-muted);
  font-size: 12px;
}

.powell-exam-pc-paper-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.powell-exam-pc-paper-options > label {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  padding: 10px 0;
  color: var(--ls-text-secondary);
  background: transparent;
  border: 0;
  cursor: pointer;
}

.powell-exam-pc-paper-options input[type="checkbox"] {
  width: 17px;
  height: 17px;
  min-height: 0;
  padding: 0;
  margin: 0;
  accent-color: var(--ls-primary);
}

.powell-exam-pc-paper-options > label > span {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.powell-exam-pc-paper-options > label > span > span {
  color: var(--ls-text-primary);
  font-weight: 500;
}

.powell-exam-pc-paper-options small {
  color: var(--ls-text-muted);
  font-size: 12px;
  line-height: 1.6;
}

.powell-exam-pc-paper-more summary > span {
  color: var(--ls-text-primary);
  font-weight: 500;
}

.powell-exam-pc-paper-more summary > small {
  color: var(--ls-text-muted);
  font-size: 12px;
}

.powell-exam-pc-paper-more > div {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.powell-exam-pc-editor-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 14px;
  margin-top: 2px;
  background: var(--ls-card-bg);
  border-top: 1px solid var(--ls-border-light);
}

.powell-exam-pc-editor-modal .powell-exam-pc-editor-actions button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 104px;
  min-height: 40px;
  padding: 0 18px;
  color: var(--ls-card-bg);
  background: var(--ls-primary);
  border: 1px solid var(--ls-primary);
  border-radius: var(--ls-radius-md);
}

.powell-exam-pc-editor-modal .powell-exam-pc-editor-actions button.is-ghost {
  min-width: 78px;
  color: var(--ls-text-secondary);
  background: var(--ls-card-bg);
  border-color: var(--ls-border);
}

.powell-exam-pc-editor-modal .powell-exam-pc-editor-actions button:not(.is-ghost):not(:disabled):hover {
  color: var(--ls-card-bg);
  background: color-mix(in srgb, var(--ls-primary) 88%, var(--ls-text));
  border-color: color-mix(in srgb, var(--ls-primary) 88%, var(--ls-text));
}

.powell-exam-pc-review-meta {
  justify-content: space-between;
  margin-bottom: 14px;
  color: var(--ls-text-secondary);
}

.powell-exam-pc-review-meta > div {
  display: grid;
  gap: 3px;
}

.powell-exam-pc-review-meta > div:last-child {
  justify-items: end;
}

.powell-exam-pc-review-meta span {
  color: var(--ls-text-muted);
  font-size: 12px;
}

.powell-exam-pc-review-paper {
  grid-column: 1 / -1;
  display: grid;
  gap: 12px;
}

.powell-exam-pc-review-question {
  padding: 14px;
  background: var(--ls-bg-hover);
  border: 1px solid transparent;
  border-radius: var(--ls-radius-md);
}

.powell-exam-pc-review-question.is-correct {
  border-color: color-mix(in srgb, var(--ls-success) 28%, transparent);
}

.powell-exam-pc-review-question.is-wrong {
  border-color: color-mix(in srgb, var(--ls-danger) 25%, transparent);
}

.powell-exam-pc-review-question > header {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px;
}

.powell-exam-pc-review-question > header > span {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--ls-primary);
  background: var(--ls-primary-light);
  border-radius: 7px;
}

.powell-exam-pc-review-question h4,
.powell-exam-pc-review-question p,
.powell-exam-pc-review-question dl {
  margin: 0;
}

.powell-exam-pc-review-question > header p {
  margin-top: 3px;
  color: var(--ls-text-muted);
  font-size: 12px;
}

.powell-exam-pc-review-question > header > em {
  color: var(--ls-text-secondary);
  font-size: 12px;
  font-style: normal;
  white-space: nowrap;
}

.powell-exam-pc-review-question dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.powell-exam-pc-review-question dl > div {
  padding: 10px 12px;
  background: var(--ls-card-bg);
  border-radius: var(--ls-radius-sm);
}

.powell-exam-pc-review-question dt {
  color: var(--ls-text-muted);
  font-size: 12px;
}

.powell-exam-pc-review-question dd {
  margin: 5px 0 0;
  color: var(--ls-text-secondary);
  line-height: 1.6;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.powell-exam-pc-review-analysis {
  margin-top: 10px;
  color: var(--ls-text-secondary);
  font-size: 13px;
}

.powell-exam-pc-review-analysis > span {
  color: var(--ls-text-muted);
  font-size: 12px;
}

.powell-exam-pc-review-analysis p {
  margin-top: 4px;
  line-height: 1.6;
}

.powell-exam-pc-review-score {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
}

.powell-exam-pc-review-score > span:last-child {
  display: flex;
  align-items: center;
  gap: 7px;
}

.powell-exam-pc-review-score input {
  width: 96px;
}

.powell-exam-pc-review-score em {
  color: var(--ls-text-muted);
  font-style: normal;
}

.powell-exam-pc-pager {
  flex-wrap: wrap;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.powell-exam-pc-pager span {
  flex-basis: 100%;
  text-align: center;
  color: var(--ls-text-muted);
}

.powell-exam-pc-empty,
.powell-exam-pc-state {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 64px 20px;
  color: var(--ls-text-muted);
  text-align: center;
  background: var(--ls-card-bg);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius-lg);
}

.powell-exam-pc-empty.is-compact {
  padding: 36px 18px;
  border: 0;
}

.powell-exam-pc-empty.is-workspace {
  min-height: 100%;
  align-content: center;
  padding: 48px 20px;
  border-radius: 0;
}

.powell-exam-pc-empty i,
.powell-exam-pc-state i {
  color: var(--ls-primary);
  font-size: 32px;
}

.powell-exam-pc-empty strong,
.powell-exam-pc-state strong {
  color: var(--ls-text-primary);
}

.powell-exam-pc-empty span {
  max-width: 420px;
  line-height: 1.6;
}

.powell-exam-pc-state {
  min-height: 420px;
}

.powell-exam-pc-load-error { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 16px; padding: 24px; color: var(--ls-text); background: var(--ls-card-bg); border: 1px solid var(--ls-border); border-radius: var(--ls-radius-lg); }
.powell-exam-pc-load-error > i { align-self: flex-start; color: var(--ls-text-secondary); font-size: 24px; line-height: 1.5; }
.powell-exam-pc-load-error > div { flex: 1 1 220px; min-width: 0; }
.powell-exam-pc-load-error h2 { margin: 0; font-size: 16px; font-weight: 500; line-height: 1.5; }
.powell-exam-pc-load-error p { margin: 6px 0 0; max-width: 70ch; color: var(--ls-text-secondary); font-size: 14px; line-height: 1.6; overflow-wrap: anywhere; }
.powell-exam-pc-load-error button { flex: 0 0 auto; height: 40px; }

.powell-exam-pc-page .is-spin {
  animation: powell-exam-pc-spin 0.8s linear infinite;
}

@keyframes powell-exam-pc-spin {
  to { transform: rotate(360deg); }
}

/* 题目统计与跳页在列表外，查询空结果时仍可看见当前统计。 */
.powell-exam-pc-question-pager { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 20px 0 4px; font-size: 13px; color: var(--ls-text-secondary); }
.powell-exam-pc-question-pager > div, .powell-exam-pc-question-pager form, .powell-exam-pc-question-pager label { display: flex; align-items: center; gap: 8px; margin: 0; }
.powell-exam-pc-question-pager input { width: 68px; min-width: 0; min-height: 40px; padding: 6px; text-align: center; font: inherit; font-size: 14px; border: 1px solid var(--ls-border); border-radius: var(--ls-radius-md); color: var(--ls-text); background: var(--ls-card-bg); }
.powell-exam-pc-question-pager input:focus { border-color: var(--ls-primary); outline: 0; box-shadow: none; }