/* OasisW 매뉴얼 — 공략집 체계: 장마다 파스텔 별색 하나, 꼬리표 달린 상자 */

:root {
  --paper: #ffffff;
  --paper-2: #f5f6f8;
  --paper-3: #eceef3;
  --ink: #1c2130;
  --ink-2: #444a5c;
  --ink-3: #676e81;
  --rule: #dfe2e9;
  --rule-strong: #3a4052;
  --slab: #2a2f3e;
  --slab-ink: #f5f6f9;
  --slab-2: #3c4253;
  --hazard: #f6d77c;
  --hazard-2: #f1cb5f;
  --pending-bg: #fdeeea;
  --pending-ink: #a2382a;
  --pending-rule: #e3907f;
  --focus: #3b55a3;
  --code-bg: #f5f6f8;
  --tint-a: 22%;
  --tint-b: 42%;

  /* 장 색(파스텔): fill은 넓은 면·꼬리표, ink는 흰 바탕 위 글자, on은 fill 위 글자 */
  --vermilion: #f5c2b3; --vermilion-ink: #a3452d; --vermilion-on: #1c2130;
  --cobalt: #c3d0f3;    --cobalt-ink: #3b55a3;    --cobalt-on: #1c2130;
  --green: #bfe0cb;     --green-ink: #2f7350;     --green-on: #1c2130;
  --magenta: #f1c2d4;   --magenta-ink: #9c3c66;   --magenta-on: #1c2130;
  --ochre: #f5e0a8;     --ochre-ink: #80621a;     --ochre-on: #1c2130;
  --teal: #b7dfe0;      --teal-ink: #26707a;      --teal-on: #1c2130;
  --plum: #dccaf0;      --plum-ink: #6b4a9e;      --plum-on: #1c2130;
  --sky: #c4e2f4;       --sky-ink: #2b6890;       --sky-on: #1c2130;
  --sand: #eadcc2;      --sand-ink: #7a5a24;      --sand-on: #1c2130;
  --olive: #d6e3b8;     --olive-ink: #4f6420;     --olive-on: #1c2130;
  --tangerine: #f8d0a4; --tangerine-ink: #8f4f12; --tangerine-on: #1c2130;
  --steel: #cfd8e3;     --steel-ink: #3d5266;     --steel-on: #1c2130;
  --neutral: #dfe2e9;   --neutral-ink: #1c2130;   --neutral-on: #1c2130;

  --c: var(--neutral); --c-ink: var(--neutral-ink); --c-on: var(--neutral-on);

  --f-display: "Black Han Sans", "Pretendard Variable", "Apple SD Gothic Neo", sans-serif;
  --f-body: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", system-ui, sans-serif;
  --f-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, "D2Coding", monospace;

  --mast-h: 56px;
  --strip-h: 6px;
  --side-w: 272px;
  --rail-w: 220px;
  --tabs-w: 34px;
  --measure: 44rem;
  --radius: 6px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #15181f; --paper-2: #1c2029; --paper-3: #262b36;
    --ink: #e6e8ee; --ink-2: #b8bdcb; --ink-3: #8d93a5;
    --rule: #2f3441; --rule-strong: #9aa0b2;
    --slab: #0e1016; --slab-ink: #eef0f5; --slab-2: #2a2f3c;
    --pending-bg: #3a201b; --pending-ink: #f5b8aa; --pending-rule: #c97a69;
    --focus: #c3d0f3; --code-bg: #1c2029;
    --tint-a: 14%; --tint-b: 26%;
    --vermilion-ink: #f5c2b3; --cobalt-ink: #c3d0f3; --green-ink: #bfe0cb;
    --magenta-ink: #f1c2d4; --ochre-ink: #f5e0a8; --teal-ink: #b7dfe0; --plum-ink: #dccaf0; --sky-ink: #c4e2f4; --sand-ink: #eadcc2; --olive-ink: #d6e3b8; --tangerine-ink: #f8d0a4; --steel-ink: #cfd8e3;
    --neutral: #3a4052; --neutral-ink: #e6e8ee; --neutral-on: #e6e8ee;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #15181f; --paper-2: #1c2029; --paper-3: #262b36;
  --ink: #e6e8ee; --ink-2: #b8bdcb; --ink-3: #8d93a5;
  --rule: #2f3441; --rule-strong: #9aa0b2;
  --slab: #0e1016; --slab-ink: #eef0f5; --slab-2: #2a2f3c;
  --pending-bg: #3a201b; --pending-ink: #f5b8aa; --pending-rule: #c97a69;
  --focus: #c3d0f3; --code-bg: #1c2029;
  --tint-a: 14%; --tint-b: 26%;
  --vermilion-ink: #f5c2b3; --cobalt-ink: #c3d0f3; --green-ink: #bfe0cb;
  --magenta-ink: #f1c2d4; --ochre-ink: #f5e0a8; --teal-ink: #b7dfe0; --plum-ink: #dccaf0; --sky-ink: #c4e2f4; --sand-ink: #eadcc2; --olive-ink: #d6e3b8; --tangerine-ink: #f8d0a4; --steel-ink: #cfd8e3;
  --neutral: #3a4052; --neutral-ink: #e6e8ee; --neutral-on: #e6e8ee;
  color-scheme: dark;
}

[data-ch="vermilion"] { --c: var(--vermilion); --c-ink: var(--vermilion-ink); --c-on: var(--vermilion-on); }
[data-ch="cobalt"]    { --c: var(--cobalt);    --c-ink: var(--cobalt-ink);    --c-on: var(--cobalt-on); }
[data-ch="green"]     { --c: var(--green);     --c-ink: var(--green-ink);     --c-on: var(--green-on); }
[data-ch="magenta"]   { --c: var(--magenta);   --c-ink: var(--magenta-ink);   --c-on: var(--magenta-on); }
[data-ch="ochre"]     { --c: var(--ochre);     --c-ink: var(--ochre-ink);     --c-on: var(--ochre-on); }
[data-ch="teal"]      { --c: var(--teal);      --c-ink: var(--teal-ink);      --c-on: var(--teal-on); }
[data-ch="plum"]      { --c: var(--plum);      --c-ink: var(--plum-ink);      --c-on: var(--plum-on); }
[data-ch="sky"]       { --c: var(--sky);       --c-ink: var(--sky-ink);       --c-on: var(--sky-on); }
[data-ch="sand"]      { --c: var(--sand);      --c-ink: var(--sand-ink);      --c-on: var(--sand-on); }
[data-ch="olive"]     { --c: var(--olive);     --c-ink: var(--olive-ink);     --c-on: var(--olive-on); }
[data-ch="tangerine"] { --c: var(--tangerine); --c-ink: var(--tangerine-ink); --c-on: var(--tangerine-on); }
[data-ch="steel"]     { --c: var(--steel);     --c-ink: var(--steel-ink);     --c-on: var(--steel-on); }
[data-ch] { --c-tint: color-mix(in oklab, var(--c) var(--tint-a), var(--paper)); --c-tint-2: color-mix(in oklab, var(--c) var(--tint-b), var(--paper)); }

/* ---------- 기본 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--mast-h) + var(--strip-h) + 20px); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.75 var(--f-body);
  font-feature-settings: "ss06";
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
::selection { background: color-mix(in oklab, var(--c) 30%, var(--paper)); color: var(--ink); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 3px; }
a { color: var(--c-ink); text-decoration-thickness: 1px; text-underline-offset: .22em; text-decoration-color: color-mix(in oklab, var(--c-ink) 45%, transparent); }
a:hover { text-decoration-color: currentColor; text-decoration-thickness: 2px; }
.i { width: 1.1em; height: 1.1em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -48px; z-index: 100; background: var(--ink); color: var(--paper); padding: 8px 14px; border-radius: var(--radius); }
.skip:focus { top: 8px; }
html { scrollbar-color: var(--paper-3) transparent; }

/* ---------- 머리 ---------- */
.masthead {
  position: sticky; top: 0; z-index: 40;
  height: var(--mast-h);
  display: flex; align-items: center; gap: 16px;
  padding: 0 20px;
  background: var(--slab); color: var(--slab-ink);
}
.wordmark { display: flex; align-items: baseline; gap: 8px; color: inherit; text-decoration: none; white-space: nowrap; }
.wm-name { font: 400 1.6rem/1 var(--f-display); letter-spacing: .01em; }
.wm-sub { font: 400 1.15rem/1 var(--f-display); color: var(--hazard); }
.wordmark:hover { text-decoration: none; }

.search { position: relative; margin-left: auto; width: min(380px, 40vw); display: flex; align-items: center; }
.search > .i { position: absolute; left: 12px; color: color-mix(in oklab, var(--slab-ink) 60%, var(--slab)); pointer-events: none; }
.search input {
  width: 100%; height: 36px; padding: 0 40px 0 38px;
  border: 1px solid var(--slab-2); border-radius: var(--radius);
  background: color-mix(in oklab, var(--slab-ink) 9%, var(--slab)); color: var(--slab-ink); font: inherit; font-size: .95rem;
}
.search input::placeholder { color: color-mix(in oklab, var(--slab-ink) 60%, var(--slab)); }
.search input:focus { outline: none; border-color: var(--hazard); box-shadow: 0 0 0 3px color-mix(in oklab, var(--hazard) 30%, transparent); }
.search input::-webkit-search-cancel-button { display: none; }
.search-key { position: absolute; right: 10px; font: 600 .75rem/1 var(--f-mono); color: color-mix(in oklab, var(--slab-ink) 60%, var(--slab)); border: 1px solid var(--slab-2); border-radius: 4px; padding: 3px 6px; background: transparent; }
.search-results {
  position: absolute; top: calc(100% + 8px); right: 0; width: min(560px, calc(100vw - 32px));
  max-height: min(70vh, 560px); overflow: auto;
  background: var(--paper); color: var(--ink);
  border: 1px solid var(--rule); border-radius: 8px;
  box-shadow: 0 18px 50px -12px rgb(10 12 20 / .35), 0 2px 6px rgb(10 12 20 / .08);
  padding: 6px;
}
.search-results a { display: block; padding: 10px 12px; border-radius: 6px; color: var(--ink); text-decoration: none; }
.search-results a[aria-selected="true"], .search-results a:hover { background: var(--paper-2); }
.sr-top { display: flex; align-items: center; gap: 8px; }
.sr-sec { font-size: .72rem; font-weight: 700; padding: 2px 7px; border-radius: 3px; background: var(--c); color: var(--c-on); white-space: nowrap; }
.sr-title { font-weight: 700; }
.sr-head { color: var(--ink-3); font-size: .85rem; }
.sr-snip { display: block; margin-top: 2px; font-size: .86rem; color: var(--ink-2); line-height: 1.55; }
.search-results mark { background: color-mix(in oklab, var(--hazard) 55%, transparent); color: inherit; border-radius: 2px; padding: 0 1px; }
.sr-empty { padding: 14px 12px; color: var(--ink-3); font-size: .92rem; margin: 0; }

.nav-toggle, .nav-close, .theme-toggle {
  display: inline-grid; place-items: center; width: 36px; height: 36px;
  border: 0; border-radius: var(--radius); background: transparent; color: inherit; cursor: pointer;
}
.nav-toggle:hover, .theme-toggle:hover { background: var(--slab-2); }
.lang-switch {
  display: inline-flex; align-items: center; height: 36px; padding: 0 10px;
  border: 1px solid var(--slab-2); border-radius: var(--radius);
  color: inherit; font-size: .85rem; font-weight: 600; text-decoration: none; white-space: nowrap;
}
.lang-switch:hover { background: var(--slab-2); text-decoration: none; }
.nav-toggle { display: none; margin-left: -8px; }
.theme-toggle .i-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .i-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .i-moon { display: block; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .i-sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .i-moon { display: block; }
}

/* 장 색 띠: 지금 장이 넓다 */
.chapter-strip { position: sticky; top: var(--mast-h); z-index: 39; display: flex; height: var(--strip-h); }
.chapter-strip span { flex: 1; background: var(--c); }
.chapter-strip span[data-current] { flex: 4; }
.page-index .chapter-strip span { flex: 1; }

/* ---------- 틀 ---------- */
.layout { display: grid; grid-template-columns: var(--side-w) minmax(0, 1fr); min-height: calc(100vh - var(--mast-h) - var(--strip-h)); }
.page { display: grid; grid-template-columns: minmax(0, var(--measure)) var(--rail-w); gap: 56px; justify-content: center; padding: 40px 72px 96px 48px; min-width: 0; }
.page-home { grid-template-columns: minmax(0, 60rem); }

/* ---------- 왼쪽 목차 ---------- */
.sidebar {
  position: sticky; top: calc(var(--mast-h) + var(--strip-h));
  height: calc(100vh - var(--mast-h) - var(--strip-h));
  overflow-y: auto; overscroll-behavior: contain;
  background: var(--paper-2);
  border-right: 1px solid var(--rule);
  padding: 20px 14px 48px;
  scrollbar-width: thin;
}
.sidebar-head { display: none; }
.nav-sec + .nav-sec { margin-top: 18px; }
.nav-sec-title { display: flex; align-items: center; gap: 10px; margin: 0 0 6px; padding: 0 8px; font: 800 .9rem/1.3 var(--f-body); color: var(--ink); }
.ch-chip {
  display: inline-grid; place-items: center; min-width: 30px; height: 24px; padding: 0 4px;
  background: var(--c); color: var(--c-on);
  font: 400 .95rem/1 var(--f-display); border-radius: 3px;
}
.nav-sec ul { list-style: none; margin: 0; padding: 0; }
.nav-sec a {
  position: relative; display: block; padding: 6px 10px 6px 48px;
  font-size: .9rem; line-height: 1.45; color: var(--ink-2); text-decoration: none; border-radius: 5px;
}
.nav-sec a:hover { background: var(--paper-3); color: var(--ink); }
.nav-sec a[aria-current="page"] { background: var(--c-tint-2); color: var(--ink); font-weight: 700; }
.nav-sec a[aria-current="page"]::before {
  content: ""; position: absolute; left: 26px; top: 50%; width: 9px; height: 9px; margin-top: -4.5px;
  background: var(--c); border-radius: 50%;
}

/* ---------- 문서 머리 ---------- */
.doc { min-width: 0; }
.opener { margin-bottom: 28px; }
.opener-band {
  position: relative; display: flex; align-items: center; gap: 14px;
  min-height: 64px; padding: 0 18px 0 0;
  background: var(--c); color: var(--c-on);
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
}
.opener-no {
  font: 400 4.6rem/.8 var(--f-display);
  padding: 10px 16px 0 18px; align-self: flex-end;
  letter-spacing: -.02em;
  color: var(--c-on);
  margin-bottom: -7px;
}
.opener-sec { font: 800 1.02rem/1.2 var(--f-body); letter-spacing: .01em; }
.opener-badges { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.type-badge {
  display: inline-flex; align-items: center; height: 26px; padding: 0 10px;
  font: 800 .8rem/1 var(--f-body); letter-spacing: .02em;
  background: var(--paper); color: var(--ink); border-radius: 3px;
}
.type-badge.small { height: 20px; padding: 0 7px; font-size: .7rem; background: var(--paper-2); color: var(--ink-2); border: 1px solid var(--rule); }
.pending-badge {
  display: inline-flex; align-items: center; height: 26px; padding: 0 10px;
  font: 800 .8rem/1 var(--f-body); color: var(--pending-ink); text-decoration: none;
  background: var(--pending-bg); border: 1.5px dashed var(--pending-rule); border-radius: 3px;
}
.pending-badge:hover { text-decoration: none; filter: brightness(.97); }
.opener h1 {
  margin: 0; padding: 22px 0 18px;
  font: 400 clamp(2rem, 1.4rem + 2.2vw, 2.9rem)/1.18 var(--f-display);
  letter-spacing: -.005em; text-wrap: balance;
  border-bottom: 3px solid var(--rule-strong);
}

/* ---------- 본문 ---------- */
.prose { font-size: 1.0625rem; }
.prose > * { margin-top: 0; margin-bottom: 1.15em; }
.prose > p:first-child { font-size: 1.16rem; line-height: 1.72; color: var(--ink); }
.prose h2, .prose h3 { position: relative; scroll-margin-top: calc(var(--mast-h) + var(--strip-h) + 20px); text-wrap: balance; }
.prose h2 {
  display: flex; align-items: center; gap: 12px;
  margin: 2.6em 0 .8em; padding-bottom: 10px;
  font: 800 1.55rem/1.3 var(--f-body); letter-spacing: -.01em;
  border-bottom: 1px solid var(--rule);
}
.prose h2::before { content: ""; width: 10px; height: 10px; background: var(--c); flex: none; border-radius: 1px; }
.prose h2.stage::before { display: none; }
.stage-no {
  display: inline-grid; place-items: center; flex: none;
  width: 2.1em; height: 2.1em; border-radius: 50%;
  background: var(--c); color: var(--c-on);
  font: 400 1rem/1 var(--f-display);
  box-shadow: 0 0 0 3px var(--paper), 0 0 0 4.5px var(--c);
}
.prose h3 { display: flex; align-items: baseline; gap: 10px; margin: 2em 0 .6em; font: 800 1.3rem/1.4 var(--f-body); }
.sub-no { font: 400 1rem/1 var(--f-display); color: var(--c-ink); padding: 3px 7px; background: var(--c-tint); border-radius: 3px; }
.prose h2 + *, .prose h3 + * { margin-top: 0; }
.anchor { margin-left: auto; opacity: 0; color: var(--ink-3); display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 4px; transition: opacity .15s; }
.anchor .i { width: 16px; height: 16px; }
h2:hover .anchor, h3:hover .anchor, .anchor:focus-visible { opacity: 1; }
.prose strong { font-weight: 750; color: var(--ink); }
.prose code {
  font: 500 .88em/1 var(--f-mono); padding: .18em .4em; border-radius: 4px;
  background: var(--code-bg); border: 1px solid var(--rule); color: var(--ink); white-space: break-spaces;
}
kbd {
  display: inline-block; min-width: 1.8em; padding: .12em .45em; text-align: center;
  font: 650 .82em/1.3 var(--f-mono); color: var(--ink);
  background: var(--paper); border: 1px solid var(--rule); border-bottom-width: 2.5px; border-radius: 5px;
}
.prose ul { padding-left: 1.3em; }
.prose ul > li { margin: .35em 0; padding-left: .2em; }
.prose ul > li::marker { color: var(--c-ink); }
.prose ul ul { margin: .3em 0; }

/* 번호 단계: 여백 쪽 칸에 지도 표식처럼 */
.prose ol.steps { list-style: none; padding: 0; counter-reset: step; }
.prose ol.steps > li {
  position: relative; counter-increment: step;
  padding: .15em 0 .15em 3em; margin: 0 0 .75em;
}
.prose ol.steps > li::before {
  content: counter(step);
  position: absolute; left: 0; top: .12em;
  display: grid; place-items: center; width: 1.9em; height: 1.9em; border-radius: 50%;
  background: var(--c); color: var(--c-on);
  font: 400 .95rem/1 var(--f-display);
}
.prose ol.steps > li:not(:last-child)::after {
  content: ""; position: absolute; left: calc(.95em - 1px); top: 2.2em; bottom: -.7em;
  border-left: 2px dotted color-mix(in oklab, var(--c) 45%, var(--paper));
}

/* 확인 */
.check {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px 16px; border-radius: var(--radius);
  background: var(--c-tint); border: 1px solid color-mix(in oklab, var(--c) 30%, var(--paper));
}
.check p { margin: 0; }
.check-tag {
  display: inline-flex; align-items: center; gap: 4px; flex: none;
  height: 26px; padding: 0 9px 0 7px; margin-top: .1em;
  font: 800 .82rem/1 var(--f-body); color: var(--c-on); background: var(--c); border-radius: 3px;
}
.check-tag .i { width: 15px; height: 15px; stroke-width: 3; }

/* 알림 상자: 위로 튀어나온 꼬리표 */
.callout {
  position: relative; margin: 2.2em 0 1.4em;
  padding: 22px 20px 16px;
  border: 1.5px solid var(--rule-strong); border-radius: 0 var(--radius) var(--radius) var(--radius);
  background: var(--paper);
}
.callout > :last-child { margin-bottom: 0; }
.callout > p { margin: 0 0 .7em; }
.callout ul { margin: 0 0 .7em; }
.callout-tag {
  position: absolute; left: -1.5px; bottom: 100%;
  display: inline-flex; align-items: center; gap: 6px;
  height: 28px; padding: 0 12px 0 10px;
  font: 800 .84rem/1 var(--f-body); letter-spacing: .01em;
  border-radius: 5px 5px 0 0;
  background: var(--rule-strong); color: var(--paper);
}
.callout-tag .i { width: 15px; height: 15px; }
.callout.note { background: var(--paper-2); border-color: var(--rule); }
.callout.note .callout-tag { background: var(--ink-2); color: var(--paper); }
.callout.caution { background: color-mix(in oklab, var(--hazard) 20%, var(--paper)); border-color: var(--rule-strong); }
.callout.caution .callout-tag {
  color: #121624;
  background: repeating-linear-gradient(-45deg, var(--hazard) 0 10px, var(--hazard-2) 10px 20px);
}
.callout.engine { background: var(--paper); border-style: dashed; border-color: var(--ink-3); }
.callout.engine .callout-tag { background: var(--paper); color: var(--ink); border: 1.5px dashed var(--ink-3); border-bottom: 0; height: 29px; }

/* 요청문: AI 창에 넣을 문장 */
.callout.request {
  margin: 2.4em 0 1.6em; padding: 0;
  background: var(--slab); color: var(--slab-ink); border: 0;
  border-radius: 0 8px 8px 8px;
  box-shadow: 0 10px 28px -14px color-mix(in oklab, var(--c) 70%, transparent);
}
.callout.request .callout-tag { background: var(--c); color: var(--c-on); left: 0; }
.req-body { margin: 0; padding: 20px 22px 20px; font-size: 1.02rem; line-height: 1.75; color: var(--slab-ink); }
.req-line { display: block; }
.req-line + .req-line { margin-top: .15em; }
.req-body code { background: var(--slab-2); border-color: color-mix(in oklab, var(--slab-ink) 22%, var(--slab)); color: var(--slab-ink); }
.copy {
  position: absolute; right: 8px; bottom: calc(100% + 6px);
  display: inline-flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px;
  font: 700 .82rem/1 var(--f-body); color: var(--ink);
  background: var(--paper); border: 1.5px solid var(--rule-strong); border-radius: 6px; cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.copy:hover { background: var(--paper-2); }
.copy .i { width: 15px; height: 15px; }
.copy[data-done] { background: var(--c); color: var(--c-on); border-color: var(--c); }

/* 표: 먹색 머리, 장 색 얇은 줄무늬 */
.table-wrap { overflow-x: auto; margin: 1.4em 0 1.6em; border: 1.5px solid var(--rule-strong); border-radius: var(--radius); }
.table-wrap:focus-visible { outline-offset: 3px; }
table { width: 100%; border-collapse: collapse; font-size: .95rem; line-height: 1.6; }
thead th {
  background: var(--paper-3); color: var(--ink);
  font-weight: 750; text-align: left; padding: 10px 14px; white-space: nowrap;
  border-right: 1px solid var(--rule); border-bottom: 1.5px solid var(--rule-strong);
}
thead th:last-child { border-right: 0; }
tbody td { padding: 10px 14px; vertical-align: top; border-top: 1px solid var(--rule); border-right: 1px solid var(--rule); }
tbody td:last-child { border-right: 0; }
tbody tr:nth-child(even) td { background: var(--c-tint); }
td.num, th.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
td code { font-size: .86em; }
.table-wrap table { min-width: 34rem; }

/* 코드 */
pre.code {
  margin: 1.4em 0; padding: 16px 18px; overflow-x: auto;
  background: var(--code-bg); border: 1px solid var(--rule); border-radius: var(--radius);
  font: 500 .9rem/1.65 var(--f-mono); color: var(--ink); tab-size: 2;
}
.prose pre.code code { background: none; border: 0; padding: 0; border-radius: 0; font: inherit; color: inherit; white-space: pre; }
pre.code.diagram { background: var(--paper); border: 1.5px solid var(--rule-strong); line-height: 1.5; }

/* 작성 대기 */
.pending {
  display: inline; padding: .2em .45em; border-radius: 4px;
  background: var(--pending-bg); color: var(--pending-ink);
  outline: 1.5px dashed var(--pending-rule); outline-offset: -1.5px;
  font-size: .93em; box-decoration-break: clone; -webkit-box-decoration-break: clone;
}
.pending-tag { font-weight: 800; }
.pending:target, .pending[data-flash] { animation: flash 1.2s var(--ease); }
@keyframes flash { 0%, 40% { box-shadow: 0 0 0 6px color-mix(in oklab, var(--pending-rule) 35%, transparent); } 100% { box-shadow: 0 0 0 0 transparent; } }


/* 스크린샷 자리 */
.shot-placeholder {
  display: flex; gap: 14px; align-items: flex-start;
  margin: 1.4em 0; padding: 18px 20px; min-height: 96px;
  border: 1.5px dashed var(--ink-3); border-radius: var(--radius);
  background: var(--paper-2);
  color: var(--ink-2); font-size: .9rem; line-height: 1.6;
}
.shot-placeholder .i { width: 26px; height: 26px; color: var(--ink-3); stroke-width: 1.6; }
.shot-placeholder figcaption { display: grid; gap: 2px; }
.shot-kind { font-weight: 800; color: var(--ink); }

/* 스크린샷 */
figure.shot { margin: 1.4em 0; }
figure.shot img {
  display: block; max-width: 100%; height: auto;
  border: 1px solid var(--rule); border-radius: var(--radius);
  background: var(--paper-2);
}
figure.shot figcaption { margin-top: 8px; color: var(--ink-2); font-size: .88rem; line-height: 1.55; }
figure.shot figcaption b { color: var(--ink); }

blockquote { margin: 1.2em 0; padding: 0 0 0 1em; color: var(--ink-2); }

/* 이전·다음 */
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 72px; }
.pager a {
  display: grid; gap: 4px; padding: 16px 18px 18px;
  text-decoration: none; color: var(--ink);
  border: 1.5px solid var(--rule-strong); border-radius: var(--radius);
  background: var(--paper);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.pager a:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -16px rgb(10 12 20 / .5); }
.pager .next { text-align: right; justify-items: end; border-top: 6px solid var(--c); }
.pager .prev { border-top: 6px solid var(--c); }
.pager-dir { display: inline-flex; align-items: center; gap: 6px; font: 800 .8rem/1 var(--f-body); color: var(--ink-3); }
.pager-dir .i { width: 15px; height: 15px; }
.pager-sec { font-size: .8rem; font-weight: 700; color: var(--c-ink); }
.pager-title { font: 800 1.08rem/1.4 var(--f-body); }
.doc-foot { margin-top: 40px; padding-top: 14px; border-top: 1px solid var(--rule); font-size: .8rem; color: var(--ink-3); }
.doc-foot code { font: .9em var(--f-mono); }

/* ---------- 오른쪽: 이 페이지에서 ---------- */
.rail {
  position: sticky; top: calc(var(--mast-h) + var(--strip-h) + 40px); align-self: start;
  max-height: calc(100vh - var(--mast-h) - 80px); overflow-y: auto;
  padding-left: 18px; border-left: 1px solid var(--rule);
  scrollbar-width: none;
}
.rail-title { margin: 0 0 10px; font: 800 .8rem/1 var(--f-body); color: var(--ink); letter-spacing: .02em; }
.rail-list { list-style: none; margin: 0; padding: 0; }
.rail-list a { display: block; padding: 4px 0; font-size: .84rem; line-height: 1.45; color: var(--ink-3); text-decoration: none; transition: color .2s; }
.rail-list a:hover { color: var(--ink); }
.rail-list .lv3 a { padding-left: 12px; font-size: .8rem; }
.rail-list a[aria-current="true"] { color: var(--ink); font-weight: 700; }
.rail-marker {
  position: absolute; left: -1px; top: 0; width: 3px; height: 0;
  background: var(--c); border-radius: 2px;
  transition: transform .35s var(--ease), height .35s var(--ease);
}

/* ---------- 오른쪽 끝 색인 꼬리표 ---------- */
.thumb-tabs {
  position: fixed; right: 0; top: calc(var(--mast-h) + var(--strip-h) + 32px); z-index: 30;
  display: flex; flex-direction: column; gap: 3px;
}
.thumb-tabs a {
  display: flex; align-items: center; gap: 10px;
  width: var(--tabs-w); height: 44px; padding-left: 7px; overflow: hidden;
  background: var(--c); color: var(--c-on); text-decoration: none;
  border-radius: 6px 0 0 6px;
  transform: translateX(3px);
  transition: width .3s var(--ease), transform .3s var(--ease);
}
.thumb-tabs a[aria-current="true"] { transform: translateX(0); width: calc(var(--tabs-w) + 8px); }
.thumb-tabs a:hover, .thumb-tabs a:focus-visible { width: 190px; transform: translateX(0); }
.tab-no { font: 400 1rem/1 var(--f-display); flex: none; width: 20px; text-align: center; }
.tab-name { font: 800 .86rem/1 var(--f-body); white-space: nowrap; opacity: 0; transition: opacity .2s; }
.thumb-tabs a:hover .tab-name, .thumb-tabs a:focus-visible .tab-name { opacity: 1; }

/* ---------- 첫 화면(전체 목차) ---------- */
.home-head { padding: 12px 0 34px; border-bottom: 3px solid var(--rule-strong); }
.home-head h1 { margin: 0 0 14px; font: 400 clamp(2.6rem, 1.6rem + 4vw, 4.4rem)/1.05 var(--f-display); letter-spacing: -.01em; }
.home-lede { margin: 0; max-width: 40rem; font-size: 1.15rem; line-height: 1.7; color: var(--ink-2); }
.home h2 { margin: 48px 0 18px; font: 800 1.3rem/1.3 var(--f-body); }
.route-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border: 1.5px solid var(--rule-strong); border-radius: var(--radius); overflow: hidden; }
.route-list li + li { border-left: 1.5px solid var(--rule-strong); }
.route-list a { position: relative; display: grid; gap: 6px; align-content: start; height: 100%; padding: 16px 18px 20px; text-decoration: none; color: var(--ink); background: var(--paper); transition: background .2s; }
.route-list a:hover { background: var(--c-tint); }
.route-no {
  margin-bottom: 6px;
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--c); color: var(--c-on); font: 400 1.05rem/1 var(--f-display);
}
.route-sec { font-size: .8rem; font-weight: 700; color: var(--c-ink); }
.route-title { font: 800 1.02rem/1.4 var(--f-body); }
.route-note { margin: 12px 0 0; font-size: .9rem; color: var(--ink-3); }

.chapter { display: grid; grid-template-columns: 116px minmax(0, 1fr); border-top: 1.5px solid var(--rule-strong); }
.chapter:last-child { border-bottom: 1.5px solid var(--rule-strong); }
.chapter-no { background: var(--c); color: var(--c-on); font: 400 3.6rem/1 var(--f-display); padding: 18px 14px; letter-spacing: -.02em; }
.chapter-body { padding: 18px 0 22px 24px; }
.chapter-body h3 { margin: 0 0 4px; font: 400 1.6rem/1.25 var(--f-display); }
.chapter-body h3 a { color: var(--ink); text-decoration: none; }
.chapter-body h3 a:hover { color: var(--c-ink); }
.chapter-body > p { margin: 0 0 14px; color: var(--ink-2); font-size: .95rem; }
.chapter-pages { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 28px; }
.chapter-pages li { break-inside: avoid; display: flex; align-items: baseline; gap: 8px; padding: 5px 0; border-bottom: 1px dotted var(--rule); }
.chapter-pages a { color: var(--ink); text-decoration: none; font-weight: 600; font-size: .95rem; }
.chapter-pages a:hover { color: var(--c-ink); text-decoration: underline; }
.chapter-pages .type-badge { margin-left: auto; flex: none; }

/* ---------- 반응형 ---------- */
@media (max-width: 1400px) {
  :root { --rail-w: 176px; }
  .page { gap: 36px; padding-left: 36px; padding-right: 56px; }
}
@media (max-width: 1240px) {
  .page { grid-template-columns: minmax(0, var(--measure)); padding-right: 64px; }
  .rail { display: none; }
}
@media (max-width: 960px) {
  :root { --side-w: 0px; }
  .layout { grid-template-columns: minmax(0, 1fr); }
  .nav-toggle { display: inline-grid; }
  .sidebar {
    position: fixed; z-index: 60; top: 0; left: 0; bottom: 0; height: 100%;
    width: min(320px, 86vw);
    transform: translateX(-102%); transition: transform .32s var(--ease);
    box-shadow: 0 0 40px rgb(10 12 20 / .3); padding-top: 0;
  }
  .sidebar[data-open] { transform: none; }
  .sidebar-head { display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 1; margin: 0 -14px 12px; padding: 10px 10px 10px 22px; background: var(--paper-2); border-bottom: 1px solid var(--rule); font-weight: 800; }
  .scrim { position: fixed; inset: 0; z-index: 55; background: rgb(10 12 20 / .45); }
  .page { padding: 28px 24px 72px; }
  .thumb-tabs { display: none; }
  .chapter-strip { height: 8px; }
}
@media (max-width: 640px) {
  :root { --mast-h: 52px; }
  .masthead { gap: 8px; padding: 0 10px 0 16px; }
  .wm-sub { display: none; }
  .search { width: auto; flex: 1; }
  .search-key { display: none; }
  .search input { padding-right: 12px; }
  .page { padding: 20px 16px 64px; }
  .opener-band { min-height: 54px; gap: 10px; }
  .opener-no { font-size: 2.9rem; padding: 8px 4px 8px 12px; margin-bottom: 0; align-self: center; }
  .opener-sec { font-size: .9rem; }
  .opener-badges { gap: 6px; }
  .prose { font-size: 1rem; }
  .prose > p:first-child { font-size: 1.06rem; }
  .prose h2 { font-size: 1.3rem; }
  .callout { padding: 20px 16px 14px; }
  .check { flex-direction: column; gap: 8px; }
  .req-body { padding: 18px 16px; }
  .pager { grid-template-columns: 1fr; }
  .route-list { grid-template-columns: 1fr; }
  .route-list li + li { border-left: 0; border-top: 1.5px solid var(--rule-strong); }
  .route-list a { grid-template-columns: auto 1fr; column-gap: 14px; align-items: center; }
  .route-no { grid-row: span 2; }
  .route-sec { margin-top: 0; }
  .chapter { grid-template-columns: 64px minmax(0, 1fr); }
  .chapter-no { font-size: 2.2rem; padding: 14px 8px; }
  .chapter-body { padding-left: 16px; }
  .chapter-pages { columns: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0s !important; animation-duration: 0s !important; scroll-behavior: auto !important; }
}

@media print {
  .masthead, .chapter-strip, .sidebar, .rail, .thumb-tabs, .pager, .copy, .anchor { display: none !important; }
  .layout, .page { display: block; padding: 0; }
  .callout, .table-wrap, pre.code { break-inside: avoid; }
}

/* 문답 목록(자주 묻는 질문) */
.prose dl { margin: 1.2em 0; }
.prose dt { font-weight: 700; margin-top: 1.2em; }
.prose dd { margin: .35em 0 0 0; color: var(--ink-2); }