:root {
  color-scheme: light;
  --canvas: #f0f0e8;
  --paper: #fff;
  --ink: #17201d;
  --muted: #57615d;
  --line: #c8cdc6;
  --accent: #1d4ed8;
  --team: #15803d;
  --soft: #f7f8f5;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background: var(--canvas);
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; }
[hidden] { display: none !important; }
main { max-width: 1320px; margin: 0 auto; padding: 28px clamp(18px, 4vw, 56px) 0; }
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
button, input { font: inherit; }
button, summary { -webkit-tap-highlight-color: transparent; }
button { min-height: 44px; cursor: pointer; border: 1px solid var(--line); background: var(--paper); color: var(--ink); padding: 10px 15px; }
button:hover { border-color: var(--ink); background: var(--soft); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
input { min-width: 0; width: 100%; border: 1px solid var(--line); border-radius: 0; background: var(--paper); color: var(--ink); padding: 12px; font-size: 16px; }
.skip-link { position: absolute; left: 16px; top: -80px; z-index: 10; padding: 14px; background: var(--paper); }
.skip-link:focus { top: 8px; }
h1, h2, h3, p { margin: 0; }
p { line-height: 1.75; word-break: keep-all; overflow-wrap: anywhere; }
h1 { font-size: clamp(27px, 3.5vw, 43px); line-height: 1.35; letter-spacing: -.055em; font-weight: 750; }
h2 { font-size: clamp(20px, 2.2vw, 26px); line-height: 1.5; letter-spacing: -.035em; }
h3 { font-size: 18px; line-height: 1.5; }
.stage-label, .code, .source-letter { font-family: ui-monospace, "SFMono-Regular", monospace; }
.page-heading { padding: 40px 0 30px; }
.report { background: var(--paper); border: 1px solid var(--line); border-top: 3px solid var(--ink); }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.report > .section-heading { padding: 26px 28px; }
.status { display: inline-block; font-size: 12px; line-height: 1.6; border: 1px solid var(--line); padding: 5px 9px; color: var(--muted); flex-shrink: 0; }
summary { cursor: pointer; min-height: 48px; line-height: 1.5; }
.report-table-wrap { overflow-x: auto; padding: 0 28px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; line-height: 1.7; text-align: left; }
caption { text-align: left; padding: 4px 0 18px; color: var(--muted); }
th, td { border-top: 1px solid var(--line); padding: 15px 12px; vertical-align: top; }
th:first-child { min-width: 95px; }
thead { background: var(--soft); }
td { width: 28%; }
td:last-child { width: 33%; }
.report-limit { font-size: 14px; padding: 18px 28px; color: var(--muted); }
.comparison-heading { padding: 0 28px 18px; }
.comparison-heading p { margin-top: 7px; font-size: 14px; color: var(--muted); }
.difference-heading { padding-top: 24px; border-top: 1px solid var(--line); margin-top: 24px; }
.difference-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; padding: 0 28px; }
.difference-columns article { min-width: 0; }
.difference-columns h4 { margin: 0 0 10px; font-size: 15px; }
.difference-columns ul { margin: 0; padding: 0 0 0 18px; }
.difference-columns li { font-size: 14px; line-height: 1.7; margin: 9px 0; overflow-wrap: anywhere; }
.report table td { width: 33.33%; }
.explorer { padding-top: 42px; }
.source-switch { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 23px; gap: 10px; }
.source-switch button { display: flex; align-items: center; gap: 18px; text-align: left; padding: 20px 24px; border: 1px solid var(--line); }
.source-switch button[aria-pressed="true"] { border: 2px solid var(--accent); padding: 19px 23px; box-shadow: 3px 3px 0 var(--accent); }
.source-switch button:is([data-source="team"], [data-source="team2"])[aria-pressed="true"] { border-color: var(--team); box-shadow: 3px 3px 0 var(--team); }
.source-letter { font-size: 27px; color: var(--muted); }
.source-switch button[aria-pressed="true"] .source-letter { color: var(--accent); }
.source-switch button:is([data-source="team"], [data-source="team2"])[aria-pressed="true"] .source-letter { color: var(--team); }
.source-switch strong { display: block; font-size: 18px; }
.source-switch small { display: block; margin-top: 6px; color: var(--muted); font-size: 13px; }
#classification-panel { --tree-color: var(--accent); padding-top: 36px; }
#classification-panel:is([data-source="team"], [data-source="team2"]) { --tree-color: var(--team); }
.tree-intro { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; margin-bottom: 22px; }
.tree-intro p { color: var(--muted); margin-top: 7px; font-size: 15px; }
.pathway { display: flex; list-style: none; margin: 0 0 20px; padding: 0; gap: 20px; }
.pathway li { position: relative; flex: 1; min-width: 0; padding: 14px 18px; border: 1px solid var(--line); border-top: 3px solid var(--tree-color); background: var(--paper); }
.pathway li + li::before { content: "→"; position: absolute; left: -19px; top: calc(50% - 12px); color: var(--muted); }
.pathway span { display: block; font-size: 11px; color: var(--muted); margin-bottom: 6px; }
.pathway strong { display: block; font-size: 16px; }
.pathway small { display: block; color: var(--muted); margin-top: 5px; }
.notice { border-left: 3px solid var(--tree-color); padding: 13px 18px; background: var(--paper); font-size: 14px; }
.notice p { color: var(--muted); margin-top: 5px; }
.tree-toolbar { display: flex; gap: 18px; align-items: flex-end; margin: 25px 0 20px; flex-wrap: wrap; }
.search-field { flex: 1; min-width: 220px; }
.search-field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.tree-actions { display: flex; gap: 8px; }
#result-count { font-size: 13px; color: var(--muted); margin-bottom: 11px; min-width: 134px; }
.tree-group { border: 1px solid var(--line); margin-bottom: 14px; background: var(--paper); scroll-margin-top: 24px; }
.group-summary, .dimension > summary, .leaf > summary { display: flex; align-items: center; gap: 16px; list-style: none; padding: 18px 22px; }
summary::-webkit-details-marker { display: none; }
.node-heading { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 14px; min-width: 0; }
.group-summary .node-heading { font-size: 19px; font-weight: 650; }
.code { color: var(--tree-color); font-size: 12px; font-weight: 650; white-space: nowrap; }
.group-meta { margin-left: auto; color: var(--muted); font-size: 12px; white-space: nowrap; }
.chevron { flex-shrink: 0; color: var(--muted); font-size: 18px; margin-left: auto; }
.group-meta + .chevron, .count + .chevron, .case-label + .chevron { margin-left: 0; }
details[open] > summary > .chevron { transform: rotate(45deg); }
summary:hover { background: var(--soft); }
.group-body { display: grid; grid-template-columns: 205px minmax(0, 1fr); padding: 22px; border-top: 1px solid var(--line); background: var(--soft); gap: 24px; }
.group-root { border-left: 3px solid var(--tree-color); padding: 7px 0 0 15px; align-self: start; }
.group-root h3 { margin: 12px 0 9px; }
.group-root p { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.stage-label { font-size: 11px; font-weight: 500; color: var(--muted); line-height: 1.6; }
.branches, .leaves, .behaviors { list-style: none; margin: 0; padding: 0; }
.branches { border-left: 1px solid var(--line); padding-left: 22px; }
.branches > li { position: relative; }
.branches > li::before { content: ""; position: absolute; width: 22px; height: 1px; background: var(--line); top: 32px; left: -22px; }
.dimension { background: var(--paper); border: 1px solid var(--line); margin-bottom: 12px; scroll-margin-top: 24px; }
.dimension > summary { padding: 15px 18px; }
.dimension > summary .stage-label { flex-basis: 100%; }
.dimension > summary strong { font-size: 16px; }
.dimension-body { padding: 0 18px 18px; }
.dimension-body { padding-top: 12px; }
.leaves { border-left: 1px solid var(--line); padding-left: 16px; }
.leaves > li { position: relative; }
.leaves > li::before { content: ""; position: absolute; top: 28px; left: -16px; width: 16px; height: 1px; background: var(--line); }
.leaf { border: 1px solid var(--line); margin-bottom: 9px; scroll-margin-top: 24px; }
.leaf > summary { font-size: 15px; padding: 14px; gap: 10px; }
.leaf .node-heading { gap: 6px 12px; flex: 1; }
.leaf > summary .stage-label, .behavior > summary .stage-label { flex-basis: 100%; }
.leaf .count { font-size: 16px; margin-left: auto; flex-shrink: 0; }
.count { font-variant-numeric: tabular-nums; font-size: 20px; font-weight: 650; }
.count small { font-size: 11px; color: var(--muted); font-weight: 400; }
.case-label { font-size: 11px; color: var(--muted); white-space: nowrap; margin-left: auto; }
.leaf-detail { padding: 0 14px 15px; }
.leaf-note { margin: 8px 0 12px; font-size: 12px; color: var(--muted); }
.behaviors { border-left: 1px solid var(--line); padding-left: 12px; }
.behavior { margin-top: 12px; border: 1px solid var(--line); scroll-margin-top: 24px; }
.behavior > summary { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 13px; list-style: none; }
.behavior > summary .node-heading { flex-basis: 100%; }
.behavior > summary strong { font-size: 14px; font-weight: 500; line-height: 1.7; overflow-wrap: anywhere; }
.behavior > summary .case-label { margin-left: 0; }
.behavior > summary .chevron { margin-left: auto; }
.behavior-detail { padding: 0 13px 13px; }
.examples { margin: 0; padding: 0; list-style: none; }
.example-stage { padding: 13px; margin-top: 12px; border: 1px solid var(--line); border-left: 3px solid var(--tree-color); background: var(--soft); scroll-margin-top: 24px; }
.example-stage .code { display: block; margin-top: 4px; }
.example-stage p { margin: 8px 0; font-size: 14px; }
.example-origin { font-size: 11px; color: var(--muted); }
#result-count { overflow-wrap: anywhere; }
.sources { margin-top: 28px; padding: 25px 0; border-top: 1px solid var(--line); }
.sources p { color: var(--muted); font-size: 14px; margin: 10px 0; }
.source-links { display: flex; flex-wrap: wrap; gap: 12px 24px; margin: 16px 0; font-size: 14px; }
.sources > details { font-size: 13px; margin-top: 18px; }
.sources > details > summary { min-height: 44px; padding: 10px 0; }
.hash { overflow-wrap: anywhere; font-family: ui-monospace, monospace; }
.empty-state { text-align: center; border: 1px dashed var(--line); padding: 45px 20px; }
.empty-state p { margin: 12px 0 20px; color: var(--muted); }
.page-footer { border-top: 1px solid var(--line); padding: 24px 0 35px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.discussion-definition { margin: 20px 0; border: 1px solid var(--line); padding: 22px; background: var(--paper); }
.discussion-definition h3 { margin-bottom: 12px; }
.discussion-principle { margin-top: 12px; font-weight: 650; }
.discussion-tree, .question-branches { list-style: none; margin: 0; padding: 0; }
.discussion-tree > li + li { margin-top: 18px; }
.question-node, .question-detail { border: 1px solid var(--line); background: var(--paper); scroll-margin-top: 24px; }
.question-node > summary { display: flex; align-items: center; gap: 12px; list-style: none; padding: 16px 18px; }
.question-node .node-heading, .question-detail .node-heading { flex: 1; overflow-wrap: anywhere; }
.question-node .stage-label, .question-detail .stage-label { flex-basis: 100%; }
.question-node strong, .question-detail strong { font-size: 15px; line-height: 1.7; }
.question-pillar > summary { border-left: 3px solid var(--tree-color); }
.question-pillar > summary strong { font-size: 19px; }
.question-body { border-top: 1px solid var(--line); padding: 18px; }
.question-branches { margin-top: 16px; border-left: 1px solid var(--line); padding-left: 18px; }
.question-branches > li { position: relative; margin-top: 12px; }
.question-branches > li::before { content: ""; position: absolute; left: -18px; top: 30px; width: 18px; height: 1px; background: var(--line); }
.question-answer { padding: 14px 16px; border-left: 3px solid var(--tree-color); background: var(--soft); }
.question-answer p { margin-top: 6px; font-size: 15px; }
.answer-label { display: inline-block; font-size: 12px; font-weight: 650; color: var(--tree-color); }
.pillar-description { font-size: 14px; color: var(--muted); }
.question-detail { padding: 16px; }
.question-detail .question-answer { margin-top: 14px; }
.discussion-principle-card { border: 1px solid var(--line); padding: 20px; margin-top: 14px; background: var(--paper); }
.discussion-principle-card h4 { font-size: 17px; line-height: 1.6; margin: 0; }
.discussion-principle-card h5 { font-size: 15px; line-height: 1.7; margin: 18px 0 8px; }
@media (max-width: 900px) {
  .section-heading, .tree-intro { flex-direction: column; gap: 12px; }
  .group-body { grid-template-columns: 1fr; }
  .group-root { padding-bottom: 8px; }
  .pathway { gap: 16px; }
  .pathway li { padding: 12px; }
  .pathway li + li::before { left: -16px; }
}
@media (max-width: 600px) {
  main { padding-top: 16px; }
  .page-heading { padding-top: 28px; }
  .report > .section-heading { padding: 22px 18px; }
  .report-limit { padding: 16px 18px; }
  .comparison-heading { padding-left: 18px; padding-right: 18px; }
  .difference-columns { grid-template-columns: 1fr; padding: 0 18px; gap: 22px; }
  .report-table-wrap { padding: 0 18px; }
  table { min-width: 720px; }
  .source-switch { grid-template-columns: 1fr; gap: 8px; }
  .discussion-definition, .discussion-principle-card { padding: 16px; }
  .question-body { padding: 12px 8px; }
  .question-branches { padding-left: 8px; }
  .question-branches > li::before { left: -8px; width: 8px; }
  .question-node > summary, .question-detail { padding: 12px 8px; }
  .question-answer { padding: 10px; }
  .question-answer p { font-size: 14px; }
  .question-pillar > summary strong { font-size: 17px; }
  .source-switch button, .source-switch button[aria-pressed="true"] { display: block; padding: 14px 11px; }
  .source-letter { font-size: 18px; display: block; margin-bottom: 9px; }
  .source-switch strong { font-size: 15px; }
  .source-switch small { font-size: 11px; line-height: 1.7; }
  .pathway { flex-direction: column; gap: 15px; }
  .pathway li { display: flex; align-items: center; gap: 12px; padding: 11px 14px; }
  .pathway span, .pathway small { margin: 0; }
  .pathway small { margin-left: auto; }
  .pathway li + li::before { content: "↓"; top: -18px; left: 24px; }
  .tree-toolbar { gap: 12px; }
  .search-field { flex-basis: 100%; }
  #result-count { margin-left: auto; min-width: 0; font-size: 12px; }
  .group-summary { flex-wrap: wrap; padding: 16px 13px; gap: 10px; }
  .group-summary .node-heading { font-size: 17px; flex-basis: calc(100% - 30px); }
  .group-summary .group-meta { margin-left: 0; order: 3; flex-basis: 100%; }
  .group-body { padding: 14px 10px; gap: 16px; }
  .branches { padding-left: 0; border-left: 0; }
  .branches > li::before { display: none; }
  .dimension > summary { padding: 13px 10px; flex-wrap: wrap; gap: 8px; }
  .dimension > summary .node-heading { flex-basis: calc(100% - 28px); }
  .dimension > summary .group-meta { order: 3; margin-left: 0; }
  .dimension-body { padding: 0 9px 9px; }
  .leaves { padding-left: 0; border-left: 0; }
  .leaves > li::before { display: none; }
  .leaf > summary { padding: 12px 9px; align-items: flex-start; flex-wrap: wrap; }
  .leaf .node-heading { flex-basis: 100%; }
  .leaf .node-heading > span:last-child { flex-basis: 100%; }
  .leaf .count, .case-label { margin-left: 0; }
  .leaf > summary > .chevron { margin-left: auto; }
  .leaf-detail { padding: 0 9px 12px; }
  .behaviors { padding-left: 0; border-left: 0; }
  .behavior > summary, .example-stage { padding: 10px 8px; }
  .behavior-detail { padding: 0 6px 10px; }
  #result-count { flex-basis: 100%; }
  .tree-actions { flex-wrap: wrap; }
}
@media print {
  .dashboard-nav, .source-switch, .tree-toolbar, .skip-link { display: none !important; }
  main { max-width: none; padding: 0; }
  .report, .tree-group { break-inside: avoid; }
}