/* 읽는 보고서: 카드 없이 한 장의 종이 위에 왼쪽 해석, 오른쪽 증거를 놓는다.
   색은 데이터에만 쓰고, 공간은 4px 단위 눈금에서 고른다.
   폭 계산: 1200 본문 = 280 레일 + 48 간격 + 872 증거. */
@font-face {
  font-family: "Pretendard";
  src: url("fonts/PretendardVariable.woff2") format("woff2");
  font-weight: 45 920;
  font-display: swap;
}

:root {
  color-scheme: light;
  --ground: #f4f5f7; --raised: #e9ebef; --rule: #dfe1e6; --rule-strong: #0a0a0a; --baseline: #b9bbc0;
  --text: #0a0a0a; --muted: #5a5d63; --on-tip: #ffffff; --tip: #141414;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s0: #a4a7ad;
  --d1: #b9bdc4; --d2: #868b93; --d3: #4d5157; --d4: #0a0a0a; --d-none: #dfe1e6; --d-other: #cfd2d8;
  --warn-bg: #fff6df; --warn-ink: #5f3f00;
  --no-bg: #ffe6e2; --no-ink: #831c1e;

  /* 글자 역할 */
  --t-title: 700 clamp(1.625rem, 1.4rem + 1vw, 2.125rem)/1.25 var(--face);
  --t-statement: 500 clamp(1.25rem, 1.1rem + 0.7vw, 1.625rem)/1.4 var(--face);
  --t-figure: 700 clamp(2.25rem, 2rem + 1vw, 2.875rem)/1.1 var(--face);
  --t-section: 700 1.375rem/1.3 var(--face);
  --t-exhibit: 600 1.0625rem/1.4 var(--face);
  --t-body: 400 1rem/1.65 var(--face);
  --t-data: 400 0.9375rem/1.45 var(--face);
  --t-meta: 400 0.8125rem/1.5 var(--face);
  --face: "Pretendard", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* 움직임 */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --press: 140ms;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --ground: #111110; --raised: #23231f; --rule: #2e2e2b; --rule-strong: #f0efec; --baseline: #4a4a46;
    --text: #f0efec; --muted: #b0afa6; --on-tip: #111111; --tip: #f0efec;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s0: #6f6f6b;
    --d1: #55585e; --d2: #85888f; --d3: #b6b9be; --d4: #f0efec; --d-none: #2e2e2b; --d-other: #3c3c38;
    --warn-bg: #2d2513; --warn-ink: #f1cf86;
    --no-bg: #3a1c1b; --no-ink: #f6b5b2;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --ground: #111110; --raised: #23231f; --rule: #2e2e2b; --rule-strong: #f0efec; --baseline: #4a4a46;
  --text: #f0efec; --muted: #b0afa6; --on-tip: #111111; --tip: #f0efec;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s0: #6f6f6b;
  --d1: #55585e; --d2: #85888f; --d3: #b6b9be; --d4: #f0efec; --d-none: #2e2e2b; --d-other: #3c3c38;
  --warn-bg: #2d2513; --warn-ink: #f1cf86;
  --no-bg: #3a1c1b; --no-ink: #f6b5b2;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; scrollbar-color: var(--baseline) transparent; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0; background: var(--ground); color: var(--text);
  font: var(--t-body); word-break: keep-all; overflow-wrap: break-word;
}
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
h1, h2, h3 { text-wrap: balance; }
p, li { text-wrap: pretty; }
a { color: inherit; text-underline-offset: 3px; }
::selection { background: var(--text); color: var(--ground); }
:focus-visible { outline: 2px solid var(--s1); outline-offset: 2px; border-radius: 2px; }
.skip { position: absolute; left: 16px; top: -48px; background: var(--ground); padding: 8px 12px; z-index: 30; }
.skip:focus { top: 8px; }

/* 상단 막대 */
.topbar { position: sticky; top: 0; z-index: 10; background: var(--ground); border-bottom: 1px solid var(--rule); }
.topbar-in { max-width: 1248px; margin: auto; padding: 0 24px; height: 52px; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.9375rem; text-decoration: none; white-space: nowrap; }
nav { display: flex; gap: 16px; flex: 1; overflow-x: auto; scrollbar-width: none; padding: 4px; margin: -4px; }
nav a { color: var(--muted); font: var(--t-data); text-decoration: none; white-space: nowrap; padding: 8px 0; }
.ghost {
  flex: none; height: 32px; padding: 0 12px; border: 1px solid var(--rule); border-radius: 4px;
  background: transparent; color: var(--text); font: var(--t-meta); cursor: pointer;
  transition: transform var(--press) var(--ease-out);
}

/* 눌렀을 때 바로 반응한다. 키보드로 빠르게 쓰는 전환 자체에는 애니메이션을 넣지 않는다. */
.ghost:active, .copy:active, .segments button:active { transform: scale(0.97); }

.page { max-width: 1248px; margin: auto; padding: 40px 24px 0; min-width: 0; }
.page > * { min-width: 0; }

/* 머리말: 제목은 이름표, 발견 문장이 가장 크다 */
.head { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 48px; align-items: start; }
h1 { font: var(--t-title); }
.statement { margin-top: 12px; font: var(--t-statement); letter-spacing: -0.012em; max-width: 34em; }
.setup { margin-top: 8px; color: var(--muted); max-width: 40em; }
.fresh { display: grid; gap: 16px; padding-top: 4px; }
.fresh dt { font: var(--t-meta); color: var(--muted); }
.fresh dd { font-size: 1.25rem; line-height: 1.35; font-weight: 600; font-variant-numeric: tabular-nums; }

/* 주요 결과: 수치가 먼저 읽히는 요약표 */
.flow { list-style: none; margin-top: 40px; border-top: 2px solid var(--rule-strong); }
.flow li { border-bottom: 1px solid var(--rule); }
.flow a {
  display: grid; grid-template-columns: 64px 240px minmax(0, 1fr); gap: 16px; align-items: baseline;
  padding: 12px 0; text-decoration: none;
}
.flow-label { font: var(--t-data); color: var(--muted); }
.flow-value { font: var(--t-figure); font-variant-numeric: tabular-nums; letter-spacing: -0.015em; }
.flow-value small { margin-left: 4px; font: 500 1rem/1 var(--face); letter-spacing: 0; color: var(--muted); }
.flow-text { font-size: 1.0625rem; line-height: 1.45; }

/* 절 왼쪽: 핵심 수치와 근거 항목 */
.key { margin-top: 16px; }
.key-fig { font: var(--t-figure); font-variant-numeric: tabular-nums; letter-spacing: -0.015em; }
.key-label { margin-top: 4px; font-weight: 600; }
.key-list { list-style: none; margin-top: 12px; display: grid; gap: 6px; font: var(--t-data); color: var(--muted); }

/* 절: 왼쪽 해석, 오른쪽 증거 */
.sec {
  display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 48px; align-items: start;
  margin-top: 80px; padding-top: 16px; border-top: 2px solid var(--rule-strong);
}
.rail { position: sticky; top: 72px; }
.rail h2 { font: var(--t-section); letter-spacing: -0.01em; }
.rail p { margin-top: 12px; }
.body { min-width: 0; display: block; }
.body.split-1-1 { display: grid; }
h3 { font: var(--t-exhibit); margin-bottom: 12px; }
.gap-top { margin-top: 48px; }
.caption { margin-top: 12px; font: var(--t-meta); color: var(--muted); max-width: 72ch; }
.warning { padding: 12px 16px; margin-bottom: 24px; background: var(--warn-bg); color: var(--warn-ink); font: var(--t-data); line-height: 1.6; }
.warning strong { font-weight: 700; }

.split-2-1 { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 32px; }
.split-1-1 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
.split-1-1 > *, .split-2-1 > * { min-width: 0; }

.legend { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-bottom: 16px; font: var(--t-meta); color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; flex: none; }
.s1 { fill: var(--s1); background: var(--s1); }
.s2 { fill: var(--s2); background: var(--s2); }
.s3 { fill: var(--s3); background: var(--s3); }
.s0 { fill: var(--s0); background: var(--s0); }

.chart { width: 100%; min-height: 40px; }
svg { display: block; width: 100%; overflow: visible; }
svg text { font-size: 12.5px; fill: var(--muted); font-variant-numeric: tabular-nums; }
svg text.ink { fill: var(--text); font-weight: 600; }
svg .grid { stroke: var(--rule); stroke-width: 1; opacity: .6; }
svg .base { stroke: var(--baseline); stroke-width: 1; }
svg .daybreak { stroke: var(--rule); stroke-width: 1; }
svg .hit { fill: transparent; cursor: pointer; outline: none; }
svg .hit:focus-visible { stroke: var(--s1); stroke-width: 2; }
svg .hit.on { fill: var(--raised); }
@media (hover: hover) and (pointer: fine) {
  svg .hit:hover { fill: var(--raised); fill-opacity: .7; }
  nav a:hover { color: var(--text); }
  .flow a:hover .flow-text { text-decoration: underline; }
  .ghost:hover { background: var(--raised); }
  .copy:hover { color: var(--text); background: var(--raised); }
  summary:hover { color: var(--text); }
}
svg .mark-plain { fill: var(--s0); }
svg .mark-main { fill: var(--text); }
.partial-seg { fill-opacity: .55; }

.under { display: grid; margin-top: 2px; font: var(--t-meta); color: var(--muted); font-variant-numeric: tabular-nums; }
.under span { text-align: center; min-width: 0; }

.detail { background: var(--raised); padding: 16px; align-self: start; }
.detail h3 { margin-bottom: 4px; }
.detail .big { font-size: 1.5rem; line-height: 1.3; font-weight: 600; font-variant-numeric: tabular-nums; }
.detail .big small { display: block; font: var(--t-meta); color: var(--muted); }
.kv { list-style: none; margin-top: 16px; display: grid; gap: 8px; font: var(--t-data); }
.kv li { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-variant-numeric: tabular-nums; }
.kv .name { display: inline-flex; align-items: center; gap: 8px; min-width: 0; color: var(--muted); }
.kv i { width: 10px; height: 10px; flex: none; }
.pill { display: inline-block; flex: none; padding: 1px 8px; font: 500 0.8125rem/1.5 var(--face); white-space: nowrap; }
.pill.no { background: var(--no-bg); color: var(--no-ink); }

details.table-view { margin-top: 16px; font: var(--t-data); }
summary { cursor: pointer; color: var(--muted); width: fit-content; padding: 4px 0; }
details .scroll { margin-top: 8px; }

.scroll { overflow-x: auto; min-width: 0; }
table { width: 100%; border-collapse: collapse; font: var(--t-data); font-variant-numeric: tabular-nums; }
th { font-weight: 400; color: var(--muted); font-size: 0.8125rem; text-align: left; padding: 8px 16px 8px 0; white-space: nowrap; }
td { padding: 8px 16px 8px 0; border-top: 1px solid var(--rule); vertical-align: top; }
th:last-child, td:last-child { padding-right: 0; }
.num { text-align: right; }
.dash { color: var(--muted); }
.masked { color: var(--muted); }
.literal { font-family: var(--mono); font-size: 0.875rem; }

.hash { font-family: var(--mono); font-size: 0.8125rem; line-height: 1.5; word-break: break-all; }
.hash-cell { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.copy {
  flex: none; min-width: 52px; height: 24px; padding: 0 8px; border: 1px solid var(--rule); border-radius: 4px;
  background: transparent; color: var(--muted); font: var(--t-meta); cursor: pointer;
  transition: transform var(--press) var(--ease-out);
}
/* 작은 버튼도 손가락으로 누를 수 있게 눌림 영역만 넓힌다 */
.copy { position: relative; }
.copy::after { content: ""; position: absolute; inset: -10px -4px; }
.file-scroll { margin-top: 16px; }
.group th { padding-top: 24px; color: var(--text); white-space: normal; }
.group .literal { font-weight: 600; font-size: 0.9375rem; }
.group-meta { margin-left: 12px; color: var(--muted); font: var(--t-meta); }
.vt { white-space: nowrap; }

.row-bars { display: grid; grid-template-columns: minmax(120px, 160px) minmax(0, 1fr) minmax(0, 1fr); gap: 8px 16px; align-items: center; font: var(--t-data); font-variant-numeric: tabular-nums; }
.row-bars .hdr { font: var(--t-meta); color: var(--muted); }
.row-bars .band { white-space: nowrap; }
.cell-bar { display: flex; align-items: center; gap: 8px; min-width: 0; }
.cell-bar b { display: block; height: 14px; min-width: 2px; flex: none; }
.cell-bar span { white-space: nowrap; }

.bar-list { display: grid; gap: 8px; font: var(--t-data); font-variant-numeric: tabular-nums; }
.bar-list .row { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 8px; align-items: center; }
.bar-list .row > span:first-child { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 유형은 단계가 있는 값이라 대역 색과 겹치지 않는 무채색 단계로 칠한다. */
.stack { display: flex; gap: 2px; height: 32px; margin-bottom: 20px; }
.stack b { display: block; min-width: 3px; }
.t-recon { background: var(--d1); }
.t-marker { background: var(--d2); }
.t-dropper { background: var(--d3); }
.t-installer { background: var(--d4); }
.t-none { background: var(--d-none); }
.t-other { background: var(--d-other); }
.types { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 40px; }
.types li { display: grid; grid-template-columns: 10px minmax(0, 1fr) auto; gap: 0 8px; align-items: baseline; }
.types i { width: 10px; height: 10px; align-self: center; }
.types strong { font-weight: 600; font-size: 0.9375rem; }
.types .n { font-weight: 600; font-variant-numeric: tabular-nums; }
.types small { grid-column: 2 / 4; font: var(--t-meta); color: var(--muted); }

figure figcaption { font: var(--t-data); margin-bottom: 8px; }

.segments { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 2px; background: var(--raised); }
.segments button {
  height: 32px; padding: 0 12px; border: 0; background: transparent; color: var(--muted);
  font: var(--t-meta); cursor: pointer; font-variant-numeric: tabular-nums;
  transition: transform var(--press) var(--ease-out);
}
.segments button[aria-pressed="true"] { background: var(--ground); color: var(--text); font-weight: 600; }

.empty { padding: 16px; background: var(--raised); font: var(--t-data); }
.empty strong { display: block; font-weight: 600; margin-bottom: 4px; }
.empty span { color: var(--muted); }

.prose ul { list-style: disc; padding-left: 20px; display: grid; gap: 8px; font: var(--t-data); line-height: 1.65; }

.foot { max-width: 1248px; margin: 80px auto 0; padding: 16px 24px 48px; font: var(--t-meta); color: var(--muted); }
.foot p { border-top: 2px solid var(--rule-strong); padding-top: 16px; }

/* 툴팁: 커서 근처에서 짧게 나타나고, 떠 있는 동안에는 지체 없이 따라간다 */
.tip {
  position: fixed; left: 0; top: 0; z-index: 20; pointer-events: none; max-width: 240px; padding: 6px 8px;
  background: var(--tip); color: var(--on-tip); font: var(--t-meta); font-variant-numeric: tabular-nums; white-space: pre-line;
  opacity: 0; transform: scale(0.97); transform-origin: bottom left;
  transition: opacity 125ms var(--ease-out), transform 125ms var(--ease-out);
}
.tip.show { opacity: 1; transform: none; }
.tip[data-instant] { transition-duration: 0ms; }

@media (prefers-reduced-motion: reduce) {
  .ghost:active, .copy:active, .segments button:active { transform: none; }
  .tip { transform: none; }
}

@media (max-width: 1040px) {
  .head { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .fresh { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sec { grid-template-columns: minmax(0, 1fr); gap: 24px; margin-top: 64px; }
  .rail { position: static; }
  .rail p { max-width: 65ch; }
}
@media (max-width: 720px) {
  .split-2-1, .split-1-1 { grid-template-columns: minmax(0, 1fr); }
  .flow a { grid-template-columns: 48px minmax(0, 1fr); gap: 2px 8px; }
  .flow-text { grid-column: 2; font-size: 0.9375rem; }
  .types { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .topbar-in { padding: 0 16px; gap: 12px; }
  .brand span { display: none; }
  .page { padding: 24px 16px 0; }
  .foot { padding: 16px 16px 32px; margin-top: 64px; }
  .fresh { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .row-bars { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .row-bars .band { grid-column: 1 / -1; margin-top: 8px; }
  .row-bars .hdr:first-child { display: none; }
  /* 해시 표는 옆으로 밀지 않고 두 줄짜리 목록으로 바꾼다 */
  #file-table thead { display: none; }
  #file-table tbody tr:not(.group) { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; padding: 12px 0; border-top: 1px solid var(--rule); }
  #file-table td { border: 0; padding: 0; }
  #file-table td.num { text-align: left; }
  #file-table td.num::after { content: "건"; }
  #file-table td.hash-td { grid-column: 1 / -1; grid-row: 2; }
  #file-table td.vt { grid-row: 1; grid-column: 2; text-align: right; }
  #file-table td.vt-extra { display: none; }
  #file-table .group, #file-table .group th { display: block; }
}
@media (forced-colors: active) {
  .stack b, .cell-bar b, .legend i, .kv i, .types i { background: CanvasText; forced-color-adjust: none; }
}
@media print {
  .topbar, .ghost, .copy, .segments { display: none; }
  .rail { position: static; }
  .sec { break-inside: avoid; }
}