:root {
  --intel-ink: #17201d;
  --intel-muted: #59635f;
  --intel-paper: #f7f5ef;
  --intel-card: #fffefa;
  --intel-line: #d5d0c5;
  --intel-accent: #8b2f2f;
  --intel-accent-soft: #f6e9e6;
  --intel-current: #155f4a;
  --intel-current-soft: #e7f2ed;
  --intel-blocked: #875c16;
  --intel-blocked-soft: #fff3d8;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--intel-ink);
  background: var(--intel-paper);
  font-family: "Helvetica Neue", Helvetica, Arial, "PingFang TC", "Noto Sans TC", sans-serif;
  overflow-x: hidden;
}

button, a { touch-action: manipulation; }

.intel-site-header .breadcrumb,
.intel-site-header .toolbar {
  min-width: 0;
}

.intel-site-header a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.intel-shell {
  width: min(920px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 72px;
}

.intel-hero {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--intel-line);
  border-top: 5px solid var(--intel-accent);
  border-radius: 14px;
  background: var(--intel-card);
  box-shadow: 0 8px 30px rgba(38, 32, 24, 0.07);
}

.intel-eyebrow {
  margin: 0 0 4px;
  color: var(--intel-accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.intel-hero h1 {
  margin: 0;
  font-size: clamp(1.65rem, 5vw, 2.4rem);
  line-height: 1.1;
}

.intel-lead,
.intel-rule {
  margin: 6px 0 0;
  font-size: 0.96rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.intel-rule {
  margin: 0;
  padding: 10px 12px;
  border-left: 4px solid var(--intel-blocked);
  border-radius: 8px;
  background: var(--intel-blocked-soft);
}

.intel-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
}

.intel-stats div {
  min-width: 0;
  padding: 8px;
  border-radius: 9px;
  background: #f0ede5;
  text-align: center;
}

.intel-stats dt {
  color: var(--intel-muted);
  font-size: 0.72rem;
}

.intel-stats dd {
  margin: 2px 0 0;
  font-size: 1.05rem;
  font-weight: 800;
}

.intel-controls {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 12px 0 0;
  padding: 9px;
  border: 1px solid var(--intel-line);
  border-radius: 12px;
  background: rgba(247, 245, 239, 0.96);
  backdrop-filter: blur(10px);
}

.intel-filter-group,
.intel-control-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.intel-controls button,
.intel-reveal-one {
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid #aca69a;
  border-radius: 999px;
  color: var(--intel-ink);
  background: var(--intel-card);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
}

.intel-controls button[aria-pressed="true"],
.intel-controls button:hover,
.intel-reveal-one:hover {
  color: white;
  border-color: var(--intel-accent);
  background: var(--intel-accent);
}

.intel-score {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 8px 0 14px;
  padding: 8px 12px;
  border-radius: 9px;
  color: #f8fffc;
  background: #263b34;
  font-size: 0.9rem;
}

.intel-score span { color: #c8d8d2; }

.intel-error {
  margin: 14px 0;
  padding: 16px;
  border: 2px solid #b83838;
  border-radius: 10px;
  background: #fff0f0;
  white-space: pre-wrap;
}

.intel-root {
  display: grid;
  gap: 18px;
}

.intel-question {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--intel-line);
  border-radius: 14px;
  background: var(--intel-card);
  box-shadow: 0 5px 20px rgba(38, 32, 24, 0.05);
  overflow: hidden;
}

.intel-question--ungraded {
  border-left: 5px solid var(--intel-blocked);
  background: linear-gradient(90deg, var(--intel-blocked-soft) 0, var(--intel-card) 42px);
}

.intel-finish {
  display: grid;
  justify-items: center;
  gap: 10px;
  margin-top: 22px;
  padding: 20px;
  border: 1px solid var(--intel-line);
  border-radius: 14px;
  background: var(--intel-card);
  text-align: center;
}

.intel-finish h2 { margin: 0; font-size: 1.15rem; }

.intel-finish-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 10px;
  color: #fff;
  background: var(--intel-accent);
  font-weight: 850;
  text-decoration: none;
}

.intel-finish-cta:focus-visible {
  outline: 3px solid rgba(139, 58, 36, 0.32);
  outline-offset: 3px;
}

.intel-question-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.intel-question-number {
  color: var(--intel-accent);
  font-size: 0.88rem;
  font-weight: 850;
}

.intel-current-badge {
  max-width: 52%;
  padding: 5px 8px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 800;
  text-align: center;
  overflow-wrap: anywhere;
}

.intel-current-badge--approved {
  color: var(--intel-current);
  background: var(--intel-current-soft);
}

.intel-current-badge--current_conflict,
.intel-current-badge--blocked_no_unique_current_answer {
  color: var(--intel-blocked);
  background: var(--intel-blocked-soft);
}

.intel-provenance {
  margin: 0 0 12px;
  color: var(--intel-muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

.intel-prompt {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.intel-prompt p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.intel-landmark-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 12px;
  margin: 0;
  padding: 12px 12px 12px 38px;
  border: 1px solid var(--intel-rule);
  border-radius: 10px;
  background: #fffdf8;
  font-size: 0.94rem;
  line-height: 1.45;
}

.intel-landmark-map li {
  padding-left: 2px;
  overflow-wrap: anywhere;
}

.intel-options {
  display: grid;
  gap: 9px;
}

.intel-option {
  min-height: 48px;
  width: 100%;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: start;
  gap: 8px;
  padding: 11px 12px;
  border: 1px solid #bdb7ab;
  border-radius: 10px;
  color: var(--intel-ink);
  background: white;
  font: inherit;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  overflow-wrap: anywhere;
}

.intel-option:hover:not(:disabled),
.intel-option:focus-visible {
  border-color: var(--intel-accent);
  box-shadow: 0 0 0 3px rgba(139, 47, 47, 0.13);
}

.intel-option:disabled { cursor: default; opacity: 0.78; }

.intel-option[data-selected="true"] {
  border-width: 2px;
  border-color: var(--intel-accent);
  background: var(--intel-accent-soft);
  opacity: 1;
}

.intel-option[data-intended-correct="true"] {
  border-color: var(--intel-current);
  box-shadow: inset 0 0 0 1px var(--intel-current);
  opacity: 1;
}

.intel-option[data-selected="true"][data-intended-correct="true"] {
  border-color: var(--intel-current);
  background: var(--intel-current-soft);
  box-shadow: inset 0 0 0 1px var(--intel-current);
}

.intel-option-letter { font-weight: 900; }
.intel-option-text { white-space: pre-wrap; }

.intel-reveal-one {
  width: 100%;
  margin-top: 12px;
  border-radius: 9px;
}

.intel-answer-panel {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 2px solid var(--intel-line);
}

.intel-answer-panel[hidden] { display: none !important; }

.intel-intended-answer {
  margin: 0 0 12px;
  padding: 12px;
  border-radius: 9px;
  color: var(--intel-current);
  background: var(--intel-current-soft);
  font-size: 1.05rem;
  font-weight: 900;
}

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

.intel-answer-cell {
  min-width: 0;
  display: grid;
  gap: 4px;
  padding: 11px;
  border-radius: 9px;
  background: #f0ede5;
}

.intel-answer-cell--current { background: var(--intel-current-soft); }
.intel-answer-label { color: var(--intel-muted); font-size: 0.74rem; }
.intel-answer-cell strong { overflow-wrap: anywhere; }

.intel-correction,
.intel-trap {
  margin: 12px 0 0;
  padding: 11px 12px;
  border-radius: 9px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.intel-correction { background: var(--intel-blocked-soft); }
.intel-trap { background: var(--intel-accent-soft); }

.intel-review-section { margin-top: 16px; }
.intel-review-section h4 { margin: 0 0 8px; font-size: 0.98rem; }

.intel-chain,
.intel-source-list {
  margin: 0;
  padding-left: 22px;
  line-height: 1.65;
}

.intel-chain li,
.intel-source-list li { margin: 5px 0; overflow-wrap: anywhere; }

.intel-rationale-list { display: grid; gap: 8px; }

.intel-rationale {
  display: grid;
  grid-template-columns: 26px auto minmax(0, 1fr);
  gap: 7px;
  align-items: start;
  padding: 10px;
  border: 1px solid var(--intel-line);
  border-radius: 9px;
}

.intel-rationale p { margin: 0; line-height: 1.55; overflow-wrap: anywhere; }
.intel-rationale-letter { font-weight: 900; }
.intel-rationale-verdict { color: var(--intel-muted); font-size: 0.72rem; font-weight: 800; }

.intel-rationale--correct { border-color: #8bbcac; background: #f2faf6; }
.intel-rationale--conditional,
.intel-rationale--indeterminate { border-color: #d4ac65; background: #fff9e9; }
.intel-rationale--source_key_conflict { border-color: #c88787; background: #fff0f0; }

.intel-original-explanation { margin-top: 14px; }
.intel-original-explanation summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; font-weight: 800; }
.intel-original-content {
  margin: 6px 0 0;
  padding: 12px;
  border-radius: 8px;
  background: #f0ede5;
  font-size: 0.88rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.intel-original-content p {
  margin: 0 0 8px;
  white-space: pre-wrap;
}

.intel-original-content p:last-child { margin-bottom: 0; }

.intel-source-figure {
  margin: 12px 0;
  min-width: 0;
}

.intel-source-figure img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border: 1px solid var(--intel-line);
  border-radius: 8px;
}

.intel-source-figure figcaption {
  margin-top: 7px;
  color: var(--intel-muted);
  font-size: 0.72rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.intel-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--intel-line);
  border-radius: 8px;
}

.intel-source-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  background: white;
}

.intel-source-table th,
.intel-source-table td {
  padding: 9px 10px;
  border: 1px solid var(--intel-line);
  text-align: left;
  vertical-align: middle;
  overflow-wrap: anywhere;
}

body[data-filter="scored"] .intel-question:not([data-current-status="approved"]) { display: none; }
body[data-filter="blocked"] .intel-question[data-current-status="approved"] { display: none; }

@media (max-width: 680px) {
  .intel-shell { width: min(100% - 20px, 920px); padding-top: 10px; }
  .intel-hero { padding: 13px; gap: 9px; }
  .intel-lead, .intel-rule { font-size: 0.88rem; line-height: 1.45; }
  .intel-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .intel-controls { position: static; display: grid; padding: 8px; }
  .intel-filter-group, .intel-control-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .intel-filter-group button:first-child { grid-column: span 2; }
  .intel-controls button { width: 100%; padding-inline: 8px; }
  .intel-score { margin-bottom: 10px; }
  .intel-root { gap: 12px; }
  .intel-question { padding: 13px; border-radius: 11px; }
  .intel-question-head { align-items: flex-start; }
  .intel-current-badge { max-width: 48%; }
  .intel-prompt p { font-size: 0.96rem; line-height: 1.58; }
  .intel-landmark-map { grid-template-columns: 1fr; font-size: 0.91rem; }
  .intel-answer-grid { grid-template-columns: 1fr; }
  .intel-source-table { min-width: 0; }
  .intel-rationale { grid-template-columns: 24px minmax(0, 1fr); }
  .intel-rationale p { grid-column: 1 / -1; }
}