:root {
  --bg: #f6f8f8;
  --surface: #ffffff;
  --ink: #1d2629;
  --ink-2: #4a565b;
  --muted: #76838a;
  --line: #e3e8ea;
  --grid: #eef1f2;

  /* 포인트 색(이전 과제와 같은 아쿠아마린): 면에만 쓰고 위에는 진한 글자 */
  --accent: #7fffd4;
  --accent-soft: #e2fdf4;
  --accent-line: #14a884;
  --accent-ink: #0b7a60;

  /* 발산형(값 색): 파랑 = 감소, 빨강 = 증가 */
  --neg: #1c5cab;
  --pos: #b3261e;
  --nodata: #c9c8c2;
  --radius: 12px;
  color-scheme: light;
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.6 "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 16px; }

.top { background: var(--surface); border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.top .wrap { padding-top: 28px; padding-bottom: 20px; }
h1 { margin: 0; font-size: 26px; letter-spacing: -0.02em; line-height: 1.35; }
h1::before { content: ""; display: inline-block; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 1px var(--accent-line) inset; margin-right: 10px; vertical-align: 3px; }
.lede { margin: 8px 0 0; color: var(--ink-2); max-width: 860px; }
.draft { display: inline-block; font-size: 12px; font-weight: 700; color: #8a2b20; border: 1px solid #f0c9c4; background: #fff7f6; border-radius: 6px; padding: 1px 8px; margin-bottom: 8px; }
h2 { margin: 32px 0 12px; font-size: 20px; letter-spacing: -0.02em; }
h2 .num { color: var(--accent-ink); margin-right: 6px; }
h3 { margin: 0 0 4px; font-size: 16px; }
p { margin: 6px 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; font-weight: 400; }
.note { font-size: 13.5px; color: var(--ink-2); margin: 10px 0 0; }
.note b { color: var(--ink); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; min-width: 0; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.grid2 > .card { margin-bottom: 0; }
.grid2 { margin-bottom: 16px; }

/* 핵심 결과 */
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 8px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.kpi .label { font-size: 13px; color: var(--muted); }
.kpi .value { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .sub { font-size: 13px; color: var(--ink-2); margin-top: 4px; }
.kpi.hero { background: var(--accent-soft); border-color: #bff5e2; }

/* 세그먼트 버튼 */
.seg { display: inline-flex; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 3px; flex-wrap: wrap; }
.seg button { border: 0; background: transparent; color: var(--ink-2); padding: 5px 11px; border-radius: 6px; font-size: 13px; }
.seg button.on { background: var(--accent); color: var(--ink); font-weight: 600; }
.seg + .seg { margin-left: 6px; }
button { font: inherit; cursor: pointer; }
button:focus-visible, .map path:focus-visible { outline: 2px solid var(--accent-line); outline-offset: 1px; }
.ghost { border: 1px solid var(--accent-line); color: var(--accent-ink); background: #fff; border-radius: 8px; padding: 5px 12px; font-size: 13px; font-weight: 600; }
.ghost:hover { background: var(--accent-soft); }

/* 지도 */
.maps { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr); margin-top: 8px; }
.maps.pair { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.map-box h4 { margin: 0; font-size: 15px; }
.map-box .sub { font-size: 12.5px; color: var(--muted); margin: 0 0 4px; }
.map { position: relative; width: 100%; aspect-ratio: 1.22 / 1; }
.map svg { display: block; width: 100%; height: 100%; }
.map path.dong { stroke: #fff; stroke-width: .5; cursor: pointer; }
.map path.dong:hover { stroke: var(--ink); stroke-width: 1.4; }
.map path.sel { stroke: var(--ink) !important; stroke-width: 2.4 !important; }
.map path.hold { stroke: var(--ink); stroke-width: 1.6; pointer-events: none; } /* fill은 지도마다 다른 패턴 id(app.js) */
.map path.gu { fill: none; stroke: #4a565b; stroke-width: 1; pointer-events: none; }
.map text.gu-label { font-size: 10px; fill: var(--ink-2); text-anchor: middle; pointer-events: none; paint-order: stroke; stroke: rgba(255,255,255,.85); stroke-width: 3px; stroke-linejoin: round; }

.legend { display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: flex-end; margin-top: 10px; font-size: 12.5px; color: var(--ink-2); }
.legend .ramp-box { min-width: 240px; flex: 1 1 260px; max-width: 420px; }
.legend .ramp { height: 10px; border-radius: 5px; margin: 4px 0 2px; }
.legend .ticks, .legend .poles { display: flex; justify-content: space-between; font-variant-numeric: tabular-nums; color: var(--muted); }
.legend .sw { display: inline-flex; align-items: center; gap: 6px; }
.legend .sw i { width: 16px; height: 11px; border-radius: 2px; display: inline-block; }
.legend .sw svg { width: 16px; height: 11px; display: inline-block; }

/* 선택한 동 */
.panel { border-top: 1px solid var(--line); margin-top: 14px; padding-top: 14px; }
.panel-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.panel-head .name { font-size: 18px; font-weight: 700; }
.badge { display: inline-block; font-size: 12px; font-weight: 600; border-radius: 6px; padding: 0 7px; margin-left: 6px; vertical-align: 2px; }
.badge.hold { background: #fff6e0; color: #8a5a00; border: 1px solid #f1d38a; }
.badge.lisa { background: #eef4fc; color: #1c5cab; border: 1px solid #c7dbf5; }
.cells { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 10px; }
.cell { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.cell .label { font-size: 12.5px; color: var(--muted); }
.cell .value { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.cell .sub { font-size: 12px; color: var(--ink-2); }
.cell .pos { color: var(--pos); } .cell .neg { color: var(--neg); }
.hint { color: var(--muted); font-size: 13.5px; }

/* 차트 */
.chart { position: relative; width: 100%; height: 360px; margin-top: 8px; }
.chart.tall { height: 420px; }
.chart.short { height: 260px; }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart .axis text { fill: var(--muted); font-size: 11.5px; }
.chart .axis-title { fill: var(--ink-2); font-size: 12.5px; }
.chart .grid line { stroke: var(--grid); }
.chart .zero { stroke: #9aa6ab; stroke-width: 1; }
.chart .ref { stroke: #9aa6ab; stroke-dasharray: 4 3; }
.chart .dot { stroke: #fff; stroke-width: .8; cursor: pointer; }
.chart .dot:hover, .chart .dot.sel { stroke: var(--ink); stroke-width: 2; }
.chart .quad { fill: var(--muted); font-size: 11.5px; }
.chart .series { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .gap-band { fill: #f1f0ec; }
.chart .vline { stroke: var(--ink-2); stroke-dasharray: 4 3; }
.chart .vlabel { fill: var(--ink-2); font-size: 11.5px; }
.chart .box { stroke: var(--ink-2); stroke-width: 1; }
.chart .whisk { stroke: var(--ink-2); }
.chart .med { stroke: var(--ink); stroke-width: 2; }
.chart .ci { stroke-width: 2.5; stroke-linecap: round; }
.chart .row-label { fill: var(--ink); font-size: 12px; text-anchor: end; }
.chart .row-val { fill: var(--ink-2); font-size: 11.5px; font-variant-numeric: tabular-nums; }
.chart .cross { stroke: var(--ink-2); stroke-dasharray: 3 3; }
.chart-legend { display: flex; gap: 6px 16px; font-size: 12.5px; color: var(--ink-2); margin-top: 8px; flex-wrap: wrap; }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend i { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.chart-legend i.line { width: 18px; height: 0; border-radius: 0; border-top: 2px solid; }
.chart-legend i.sq { border-radius: 2px; }
.stat { font-size: 13px; color: var(--ink-2); margin: 2px 0 0; }
.stat b { color: var(--ink); font-variant-numeric: tabular-nums; }

.tip {
  position: fixed; z-index: 10; pointer-events: none; background: var(--ink); color: #fff;
  font-size: 13px; line-height: 1.5; padding: 8px 10px; border-radius: 8px;
  white-space: normal; max-width: min(320px, calc(100vw - 24px));
  box-shadow: 0 4px 16px rgba(0,0,0,.12);
}
.tip b { font-weight: 600; }

/* 해석 카드 */
.qa { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.qa .card { margin-bottom: 0; }
.qa h3 { color: var(--accent-ink); }
.qa ul { margin: 6px 0 0; padding-left: 18px; }
.qa li { margin: 4px 0; font-size: 14px; }

/* 접는 상세 */
details.card > summary { cursor: pointer; font-weight: 700; font-size: 16px; list-style: none; }
details.card > summary::-webkit-details-marker { display: none; }
details.card > summary::before { content: "▸"; display: inline-block; width: 18px; color: var(--accent-ink); }
details.card[open] > summary::before { content: "▾"; }
details.card > summary .muted { font-weight: 400; }
details .body { margin-top: 12px; font-size: 14px; }
details ul { padding-left: 18px; }
details li { margin: 4px 0; }
.formula { font-family: "Consolas", "D2Coding", monospace; background: var(--bg); border-radius: 8px; padding: 10px 14px; font-size: 13px; overflow-x: auto; white-space: pre; margin: 8px 0; }

/* 표 */
.table-wrap { overflow-x: auto; margin-top: 8px; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; font-variant-numeric: tabular-nums; }
th, td { padding: 7px 9px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
td.left, th.left { text-align: left; white-space: normal; }
th { color: var(--muted); font-weight: 500; font-size: 12.5px; }
tbody tr:last-child td { border-bottom: 0; }
.cellbar { display: inline-block; height: 7px; background: var(--accent-line); border-radius: 3px; vertical-align: middle; margin-left: 8px; opacity: .8; }

footer { padding-top: 8px; padding-bottom: 40px; font-size: 13px; color: var(--muted); }
footer p { margin: 4px 0; }

@media (max-width: 900px) {
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid2, .qa, .maps.pair { grid-template-columns: minmax(0, 1fr); }
  .cells { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  h1 { font-size: 22px; }
  .card { padding: 16px; }
  .kpi .value { font-size: 22px; }
  .chart { height: 300px; }
  .seg + .seg { margin-left: 0; margin-top: 6px; }
}

.mt { margin-top: 14px; }

/* 연구 질문 */
.rq { margin: 10px 0 0; padding: 8px 12px; background: var(--accent-soft); border-radius: 8px; font-size: 14.5px; max-width: 900px; }
.rq b { color: var(--accent-ink); margin-right: 8px; }

/* 지표 읽는 법 */
.defs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-bottom: 8px; }
.defs .card { margin-bottom: 0; }
.def .f { font-family: "Consolas", "D2Coding", monospace; font-size: 12.5px; background: var(--bg); border-radius: 8px; padding: 8px 10px; margin: 8px 0; }
.def dl { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 4px 8px; margin: 0; font-size: 13.5px; }
.def dt { color: var(--muted); }
.def dd { margin: 0; }
.kpi.mini { padding: 12px 14px; margin: 8px 0 4px; }
.kpi.mini .value { font-size: 22px; }

/* 상관표 */
table.heat td { text-align: center; color: var(--ink); }
table.heat td.left { text-align: left; }
table.heat td.dark { color: #fff; }
table.heat td b { font-size: 14.5px; }

/* 자바스크립트가 꺼졌을 때 */
noscript img { display: block; width: 100%; height: auto; margin: 12px 0; border: 1px solid var(--line); border-radius: 8px; }

/* 인쇄: 상호작용 그림 대신 정적 그림 */
.print-figs { display: none; }
@media print {
  body { background: #fff; }
  .seg, .ghost, #panel, .maps, .legend, .chart, .chart-legend, .tip { display: none !important; }
  .print-figs { display: block; }
  .print-figs img { display: block; width: 100%; height: auto; margin: 0 0 12px; page-break-inside: avoid; }
  details.card { display: block; }
  details.card > .body { display: block; }
  .card { break-inside: avoid; border-color: #ccc; }
}
@media (max-width: 900px) { .defs { grid-template-columns: minmax(0, 1fr); } }

.kpi .value.sm { font-size: 21px; line-height: 1.35; padding-top: 4px; }
.chart.xtall { height: 540px; }
table.heat td { white-space: nowrap; }
table.heat .ci-txt { font-size: 12px; color: inherit; opacity: .85; }
@media (max-width: 560px) { .chart.xtall { height: 520px; } table.heat td.left { min-width: 120px; } }
table.heat td.left { white-space: normal; min-width: 0; }
@media (max-width: 560px) { table.heat td.left { width: 42%; } table.heat td { padding: 7px 6px; } }

/* 상관표 칸: 마우스를 올리면 툴팁 */
table.heat td.hov { cursor: help; }
table.heat td.hov:hover, table.heat td.hov:focus-visible { outline: 2px solid var(--ink); outline-offset: -2px; }

/* 상관표 머리글: 지표 이름을 숫자 칸과 같이 가운데 정렬 */
table.heat th { text-align: center; }
table.heat th:first-child { text-align: left; }

/* 휴대폰: 핵심 결과·갱신요구권 숫자 카드는 1열 */
@media (max-width: 560px) { .kpis { grid-template-columns: minmax(0, 1fr); } }