:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1d2939;
  --muted: #667085;
  --line: #d0d5dd;
  --teal: #0f766e;
  --teal-soft: #e6fffb;
  --red: #b42318;
  --red-soft: #fee4e2;
  --amber: #b54708;
  --amber-soft: #fef0c7;
  --green: #067647;
  --green-soft: #dcfae6;
  --blue: #175cd3;
  --blue-soft: #d1e9ff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
}

button,
input,
textarea {
  font: inherit;
}

button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #ffffff;
  color: var(--text);
  padding: 8px 12px;
  cursor: pointer;
}

button:hover:not(:disabled) {
  border-color: #98a2b3;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(21, 112, 239, 0.25);
  outline-offset: 1px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #ffffff;
  color: var(--text);
  padding: 9px 10px;
}

textarea {
  resize: vertical;
  line-height: 1.45;
}

.app-shell {
  width: min(1320px, 100%);
  margin: 0 auto;
  padding: 18px;
}

.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 330px);
  gap: 16px;
  align-items: end;
  margin-bottom: 14px;
}

.topbar h1 {
  margin: 0 0 4px;
  font-size: 24px;
  line-height: 1.2;
  font-weight: 750;
}

.topbar p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.briefing-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 14px;
}

.briefing-panel summary {
  cursor: pointer;
  color: var(--teal);
  font-weight: 750;
}

.briefing-body {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.55;
  font-size: 14px;
}

.briefing-body p {
  margin: 0 0 8px;
}

.briefing-body ul {
  margin: 0;
  padding-left: 1.2rem;
}

.briefing-body li + li {
  margin-top: 4px;
}

.reviewer-box {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.metric {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.metric strong {
  display: block;
  margin-top: 4px;
  font-size: 24px;
}

.review-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 14px;
  align-items: start;
}

.case-panel,
.review-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.case-panel {
  padding: 18px;
}

.review-panel {
  position: sticky;
  top: 12px;
  padding: 16px;
  max-height: calc(100vh - 24px);
  overflow: auto;
}

.case-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.case-header h2,
.review-panel h2,
.text-block h3,
.claim-block h3 {
  margin: 0;
}

.case-header h2 {
  margin-top: 2px;
  font-size: 21px;
  line-height: 1.25;
}

.case-header span:first-child {
  color: var(--muted);
  font-size: 13px;
}

#reviewState {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 5px 10px;
  background: #f2f4f7;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

#reviewState.reviewed {
  background: var(--green-soft);
  color: var(--green);
}

#reviewState.flagged {
  background: var(--red-soft);
  color: var(--red);
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
}

.case-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 700;
}

.priority-red {
  color: var(--red);
  background: var(--red-soft) !important;
  border-color: #fecdca !important;
}

.priority-amber {
  color: var(--amber);
  background: var(--amber-soft) !important;
  border-color: #fedf89 !important;
}

.priority-insufficient_evidence {
  color: var(--blue);
  background: var(--blue-soft) !important;
  border-color: #84caff !important;
}

.priority-routine {
  color: var(--green);
  background: var(--green-soft) !important;
  border-color: #abefc6 !important;
}

.text-block {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 16px;
}

.text-block h3,
.claim-block h3 {
  font-size: 15px;
  margin-bottom: 8px;
}

.text-block p,
.claim-block p {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.58;
}

.answer-block p {
  background: #f9fafb;
  border: 1px solid #eaecf0;
  border-radius: 8px;
  padding: 14px;
}

.details-panel {
  border-top: 1px solid var(--line);
  margin-top: 16px;
  padding-top: 14px;
}

.details-panel summary {
  cursor: pointer;
  color: var(--muted);
  font-weight: 750;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.details-grid div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}

.details-grid span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
}

.details-grid strong {
  display: block;
  overflow-wrap: anywhere;
}

.claim-block {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid #eaecf0;
  border-radius: 8px;
  background: #fcfcfd;
}

.review-panel h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.review-field {
  border-top: 1px solid var(--line);
  padding-top: 13px;
  margin-top: 13px;
}

.review-field > span {
  display: block;
  margin-bottom: 8px;
  font-weight: 750;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

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

.segmented button {
  min-width: 0;
}

.segmented button.selected {
  border-color: var(--teal);
  background: var(--teal-soft);
  color: #0b4f49;
  font-weight: 750;
}

.field-label {
  display: block;
  margin: 14px 0 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.action-stack,
.export-actions {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.export-actions {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.primary-action {
  background: var(--teal);
  border-color: var(--teal);
  color: #ffffff;
  font-weight: 750;
}

.danger-action {
  color: var(--red);
}

#toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: 380px;
  border-radius: 8px;
  background: #101828;
  color: #ffffff;
  padding: 11px 13px;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

#toast.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .review-workspace,
  .topbar,
  .status-strip,
  .details-grid {
    grid-template-columns: 1fr;
  }

  .review-panel {
    position: static;
    max-height: none;
  }
}

@media (max-width: 620px) {
  .app-shell {
    padding: 12px;
  }

  .case-header {
    display: grid;
  }

  #reviewState {
    width: fit-content;
  }
}