:root {
  --bg: #eef3f9;
  --panel: #ffffff;
  --panel-soft: #f7f9fc;
  --text: #172033;
  --muted: #64748b;
  --line: #d7e0eb;
  --primary: #2459d3;
  --primary-dark: #173d9e;
  --primary-soft: #edf4ff;
  --green: #087f5b;
  --green-soft: #eaf8f3;
  --amber: #a85b00;
  --amber-soft: #fff6e8;
  --red: #bf3030;
  --red-soft: #fff0f0;
  --purple: #6d3cc7;
  --purple-soft: #f4efff;
  --shadow: 0 14px 38px rgba(15, 23, 42, 0.09);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Calibri, "Segoe UI", Arial, sans-serif;
  line-height: 1.48;
}

body.dark {
  --bg: #0f172a;
  --panel: #172033;
  --panel-soft: #202b3d;
  --text: #eef4ff;
  --muted: #a8b4c5;
  --line: #344155;
  --primary: #7da9ff;
  --primary-dark: #a9c5ff;
  --primary-soft: #21385e;
  --green: #63d9b5;
  --green-soft: #153a34;
  --amber: #ffc36a;
  --amber-soft: #49371e;
  --red: #ff9292;
  --red-soft: #4a252c;
  --purple: #c2a4ff;
  --purple-soft: #352b50;
  --shadow: 0 15px 44px rgba(0, 0, 0, 0.32);
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  left: -10000px;
  top: 8px;
  z-index: 9999;
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  padding: 10px 14px;
}

.skip-link:focus {
  left: 8px;
}

.review-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  padding: 10px 18px;
}

.review-brand {
  display: flex;
  min-width: 260px;
  align-items: center;
  gap: 11px;
}

.review-brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  place-items: center;
  border-radius: 13px;
  background: #000000;
  color: #ffffff;
  font-weight: 900;
}

.review-brand h1 {
  margin: 0;
  font-size: 21px;
  line-height: 1.1;
}

.review-brand p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.review-header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.review-button,
.icon-button {
  display: inline-flex;
  min-height: 39px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel);
  color: var(--text);
  padding: 8px 12px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.review-button:hover,
.icon-button:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.icon-button {
  width: 39px;
  padding: 0;
  font-size: 18px;
}

.review-notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border-bottom: 1px solid color-mix(in srgb, var(--amber) 30%, var(--line));
  background: var(--amber-soft);
  color: var(--text);
  padding: 8px 16px;
  font-size: 13px;
  text-align: center;
}

.review-tabs {
  position: sticky;
  top: 74px;
  z-index: 45;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  padding: 10px 18px;
}

.review-tab {
  display: inline-flex;
  min-width: max-content;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
  padding: 8px 13px;
  font-weight: 800;
  cursor: pointer;
}

.review-tab:hover,
.review-tab.active {
  border-color: var(--primary);
  background: var(--primary-soft);
  color: var(--primary);
}

.tab-badge {
  display: inline-grid;
  min-width: 21px;
  height: 21px;
  place-items: center;
  border-radius: 999px;
  background: var(--primary);
  color: #ffffff;
  padding: 0 5px;
  font-size: 11px;
}

.workbench-main {
  display: grid;
  grid-template-columns: minmax(220px, 270px) minmax(480px, 1fr) minmax(320px, 430px);
  min-height: calc(100vh - 140px);
  gap: 14px;
  padding: 14px;
}

.filter-panel,
.results-panel,
.detail-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.filter-panel,
.detail-panel {
  position: sticky;
  top: 142px;
  align-self: start;
  max-height: calc(100vh - 158px);
  overflow: auto;
}

.filter-panel {
  padding: 15px;
}

.results-panel {
  overflow: hidden;
}

.results-header {
  display: flex;
  min-height: 74px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding: 16px 18px;
}

.results-title h2 {
  margin: 0;
  font-size: 20px;
}

.results-title p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.results-actions {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.results-body {
  min-height: 520px;
  overflow-x: auto;
}

.detail-panel {
  padding: 16px;
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.panel-heading h2,
.panel-heading h3 {
  margin: 0;
}

.panel-heading p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.filter-section {
  margin-bottom: 16px;
}

.filter-section:last-child {
  margin-bottom: 0;
}

.filter-label {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.review-field,
.review-select,
.review-textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
  padding: 9px 10px;
}

.review-field:focus,
.review-select:focus,
.review-textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--primary) 32%, transparent);
  border-color: var(--primary);
}

.review-textarea {
  min-height: 94px;
  resize: vertical;
}

.filter-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.filter-stat {
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel-soft);
  padding: 9px;
}

.filter-stat strong {
  display: block;
  font-size: 18px;
}

.filter-stat span {
  color: var(--muted);
  font-size: 11px;
}

.action-stack {
  display: grid;
  gap: 7px;
}

.action-row {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}

.action-row > * {
  flex: 1 1 auto;
}

.primary-button,
.secondary-button,
.danger-button,
.small-button {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 11px;
  font-weight: 800;
  cursor: pointer;
}

.primary-button {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
}

.secondary-button,
.small-button {
  background: var(--panel);
  color: var(--text);
}

.secondary-button:hover,
.small-button:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.danger-button {
  border-color: color-mix(in srgb, var(--red) 55%, var(--line));
  background: var(--red-soft);
  color: var(--red);
}

.small-button {
  min-height: 31px;
  padding: 5px 8px;
  font-size: 12px;
}

.data-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 10px 11px;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.data-table tbody tr {
  cursor: pointer;
}

.data-table tbody tr:hover,
.data-table tbody tr.selected {
  background: var(--primary-soft);
}

.data-table tbody tr.selected td:first-child {
  box-shadow: inset 4px 0 0 var(--primary);
}

.table-primary {
  font-weight: 900;
}

.table-secondary {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.table-number {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.badge-row {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.status-badge,
.confidence-badge,
.topic-chip,
.count-chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 7px;
  background: var(--panel-soft);
  color: var(--text);
  font-size: 11px;
  font-weight: 800;
}

.confidence-high,
.status-map-existing,
.status-stable-review {
  border-color: color-mix(in srgb, var(--green) 35%, var(--line));
  background: var(--green-soft);
  color: var(--green);
}

.confidence-medium,
.status-subskill-review,
.status-expand-mapping {
  border-color: color-mix(in srgb, var(--primary) 35%, var(--line));
  background: var(--primary-soft);
  color: var(--primary);
}

.confidence-low,
.status-manual-review,
.status-coverage-gap,
.status-weak-mapping-review {
  border-color: color-mix(in srgb, var(--amber) 35%, var(--line));
  background: var(--amber-soft);
  color: var(--amber);
}

.confidence-very-low,
.status-new-topic-candidate,
.status-no-reference-coverage {
  border-color: color-mix(in srgb, var(--red) 35%, var(--line));
  background: var(--red-soft);
  color: var(--red);
}

.status-split-section,
.status-overassigned-review {
  border-color: color-mix(in srgb, var(--purple) 35%, var(--line));
  background: var(--purple-soft);
  color: var(--purple);
}

.status-collection-only {
  color: var(--muted);
}

.decision-saved {
  border-color: var(--green);
  background: var(--green-soft);
  color: var(--green);
}

.pagination {
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding: 10px 14px;
}

.pagination-controls {
  display: flex;
  gap: 6px;
}

.pagination-summary {
  color: var(--muted);
  font-size: 12px;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(145px, 1fr));
  gap: 12px;
  padding: 18px;
}

.metric-card {
  min-height: 118px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-soft);
  padding: 14px;
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  font-size: 27px;
  line-height: 1;
}

.metric-card span {
  color: var(--muted);
  font-size: 12px;
}

.metric-card small {
  display: block;
  margin-top: 9px;
  color: var(--muted);
}

.overview-section {
  margin: 0 18px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-soft);
  padding: 16px;
}

.overview-section h3 {
  margin: 0 0 10px;
}

.overview-section p {
  margin: 6px 0;
}

.recommendation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.recommendation-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  padding: 11px;
}

.recommendation-card strong {
  display: block;
  font-size: 22px;
}

.recommendation-card span {
  color: var(--muted);
  font-size: 12px;
}

.detail-empty,
.empty-state {
  display: grid;
  min-height: 260px;
  place-items: center;
  color: var(--muted);
  padding: 24px;
  text-align: center;
}

.detail-title {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
}

.detail-subtitle {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.detail-section {
  margin-top: 15px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.detail-section h3,
.detail-section h4 {
  margin: 0 0 9px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.detail-stat {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-soft);
  padding: 9px;
}

.detail-stat strong {
  display: block;
}

.detail-stat span {
  color: var(--muted);
  font-size: 11px;
}

.candidate-list,
.sample-list,
.decision-list {
  display: grid;
  gap: 7px;
}

.candidate-item,
.sample-item,
.decision-item {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel-soft);
  color: var(--text);
  padding: 10px;
  text-align: left;
}

button.sample-item,
button.candidate-item {
  cursor: pointer;
}

button.sample-item:hover,
button.candidate-item:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.candidate-item-header,
.sample-item-header,
.decision-item-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.candidate-item p,
.sample-item p,
.decision-item p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.evidence-bar {
  height: 7px;
  margin-top: 7px;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--line) 70%, transparent);
}

.evidence-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--primary);
}

.recommendation-box,
.warning-box,
.success-box {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px;
}

.recommendation-box {
  border-color: color-mix(in srgb, var(--primary) 30%, var(--line));
  background: var(--primary-soft);
}

.warning-box {
  border-color: color-mix(in srgb, var(--amber) 30%, var(--line));
  background: var(--amber-soft);
}

.success-box {
  border-color: color-mix(in srgb, var(--green) 30%, var(--line));
  background: var(--green-soft);
}

.recommendation-box p,
.warning-box p,
.success-box p {
  margin: 5px 0 0;
  font-size: 12px;
}

.qa-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--panel-soft);
}

.qa-block {
  padding: 12px;
}

.qa-block + .qa-block {
  border-top: 1px solid var(--line);
}

.qa-label {
  margin-bottom: 7px;
  color: var(--primary);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.qa-content {
  overflow-x: auto;
}

.qa-content p:first-child,
.qa-content ol:first-child,
.qa-content ul:first-child {
  margin-top: 0;
}

.qa-content p:last-child,
.qa-content ol:last-child,
.qa-content ul:last-child {
  margin-bottom: 0;
}

.qa-content mjx-container {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
}

.decision-form {
  display: grid;
  gap: 10px;
}

.form-row label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.decision-meta {
  color: var(--muted);
  font-size: 11px;
}

.decision-toolbar {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
}

.review-toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 100;
  max-width: 380px;
  transform: translateY(24px);
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel);
  box-shadow: var(--shadow);
  color: var(--text);
  padding: 11px 14px;
  opacity: 0;
  pointer-events: none;
  transition: 0.18s ease;
}

.review-toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 1280px) {
  .workbench-main {
    grid-template-columns: 235px minmax(0, 1fr);
  }

  .detail-panel {
    position: static;
    grid-column: 1 / -1;
    max-height: none;
  }

  .filter-panel {
    top: 142px;
  }
}

@media (max-width: 820px) {
  .review-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .review-header-actions {
    justify-content: flex-start;
  }

  .review-tabs {
    top: 0;
  }

  .workbench-main {
    grid-template-columns: 1fr;
  }

  .filter-panel,
  .detail-panel {
    position: static;
    max-height: none;
  }

  .overview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .review-header,
  .review-tabs,
  .workbench-main {
    padding-left: 10px;
    padding-right: 10px;
  }

  .review-header-actions {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr 1fr;
  }

  .review-header-actions .review-button:nth-child(3) {
    grid-column: 1 / -1;
  }

  .overview-grid,
  .recommendation-grid,
  .detail-grid,
  .filter-summary {
    grid-template-columns: 1fr;
  }

  .results-header,
  .pagination {
    align-items: stretch;
    flex-direction: column;
  }
}