.essentials-shell {
  --reliable: #087f5b;
  --reliable-soft: #eaf8f2;
  --warning: #9a4d00;
  --warning-soft: #fff3df;
  --discard: #b42318;
  --discard-soft: #fff0ee;
}

.scope-banner {
  align-items: start;
  background: var(--reliable-soft);
  border: 1px solid #afd8c9;
  border-left: 5px solid var(--reliable);
  display: grid;
  gap: 8px 18px;
  grid-template-columns: minmax(150px, 0.28fr) minmax(0, 1fr);
  margin: 20px 0 28px;
  padding: 15px 17px;
}

.scope-banner strong {
  color: #056348;
  font-size: 0.9rem;
}

.scope-banner p {
  color: var(--ink);
  font-size: 0.88rem;
  margin: 0;
}

.compass-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 20px 0 8px;
}

.compass-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  border-radius: 6px;
  min-height: 162px;
  padding: 15px;
}

.compass-card:nth-child(2) {
  border-top-color: var(--reliable);
}

.compass-card:nth-child(3) {
  border-top-color: var(--orange);
}

.compass-card:nth-child(4) {
  border-top-color: #7a5d18;
}

.compass-card:nth-child(5) {
  border-top-color: #4f6f8f;
}

.compass-card span {
  color: var(--muted);
  display: block;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 900;
  margin-bottom: 9px;
}

.compass-card h3 {
  font-size: 0.94rem;
  margin: 0 0 6px;
}

.compass-card p {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0;
}

.decision-table .question-ref {
  color: var(--muted);
  display: block;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.68rem;
  font-weight: 900;
  margin-top: 3px;
}

.decision-table .reliable-mark {
  color: var(--reliable);
  font-weight: 850;
}

.decision-table .warning-mark {
  color: var(--warning);
  font-weight: 850;
}

.noise-table td:first-child {
  color: var(--discard);
}

.noise-table td:nth-child(2) {
  min-width: 220px;
}

.noise-table td:last-child {
  min-width: 300px;
}

.memory-strip {
  background: var(--blue-soft);
  border-left: 5px solid var(--blue);
  margin: 22px 0 4px;
  padding: 14px 16px;
}

.memory-strip strong {
  color: var(--blue-dark);
}

.memory-strip p {
  font-size: 0.88rem;
  margin: 4px 0 0;
}

.source-group {
  break-inside: avoid;
  margin: 0 0 18px;
}

.source-group h3 {
  font-size: 0.94rem;
  margin: 0 0 7px;
}

.source-group ul {
  margin-top: 0;
}

@media (max-width: 1080px) {
  .compass-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .scope-banner {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 520px) {
  .compass-grid {
    grid-template-columns: 1fr;
  }

  .compass-card {
    min-height: 0;
  }

  .essentials-shell .table-wrap {
    overflow: visible;
  }

  .essentials-shell .decision-table,
  .essentials-shell .decision-table tbody,
  .essentials-shell .decision-table tr,
  .essentials-shell .decision-table td {
    display: block;
    width: 100%;
  }

  .essentials-shell .decision-table thead {
    border: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
  }

  .essentials-shell .decision-table tr {
    background: var(--paper);
    border: 1px solid var(--line);
    border-left: 4px solid var(--blue);
    margin: 0 0 10px;
  }

  .essentials-shell .decision-table td,
  .essentials-shell .decision-table td:first-child,
  .essentials-shell .decision-table td:nth-child(2),
  .essentials-shell .decision-table td:last-child {
    border: 0;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    display: grid;
    font-size: 0.82rem;
    gap: 10px;
    grid-template-columns: 82px minmax(0, 1fr);
    min-width: 0;
    padding: 10px 11px;
  }

  .essentials-shell .decision-table td:last-child {
    border-bottom: 0;
  }

  .essentials-shell .decision-table td::before {
    color: var(--muted);
    font-size: 0.68rem;
    font-weight: 900;
    text-transform: uppercase;
  }

  .essentials-shell .decision-table td:nth-child(1)::before {
    content: "题干 / 需求";
  }

  .essentials-shell .decision-table td:nth-child(2)::before {
    content: "稳定判断";
  }

  .essentials-shell .decision-table td:nth-child(3)::before {
    content: "优先行动";
  }

  .essentials-shell .decision-table td:nth-child(4)::before {
    content: "排除边界";
  }

  .essentials-shell .noise-table tr {
    border-left-color: var(--discard);
  }

  .essentials-shell .noise-table td:nth-child(1)::before {
    content: "不要背";
  }

  .essentials-shell .noise-table td:nth-child(2)::before {
    content: "问题";
  }

  .essentials-shell .noise-table td:nth-child(3)::before {
    content: "保留结论";
  }
}

@media print {
  .compass-card,
  .scope-banner,
  .memory-strip {
    break-inside: avoid;
  }

  .recall-card:not([open]) > :not(summary) {
    display: block !important;
  }
}