/* 신규·전입 교사 지식창고 — 외부 글꼴·스크립트 없이 학교 내부망에서도 그대로 열리도록 시스템 글꼴만 쓴다. */
:root {
  --bg: #f5f6f3;
  --surface: #ffffff;
  --surface-2: #eef1f4;
  --ink: #1d2733;
  --ink-2: #3c4a58;
  --muted: #66727f;
  --line: #d9dee4;
  --navy: #1b3c61;
  --navy-ink: #ffffff;
  --accent: #1f7a6c;
  --focus: #2f6fd0;
  --verified-bg: #e3f3ea; --verified-ink: #166240;
  --check-bg: #fff3d6;    --check-ink: #8a5a00;
  --custom-bg: #eceff2;   --custom-ink: #4a5563;
  --yearly-bg: #eae7fb;   --yearly-ink: #4b3aa6;
  --pinned-bg: #1b3c61;   --pinned-ink: #ffffff;
  --national-bg: #e6eefb; --national-ink: #1d4f9a;
  --local-bg: #e2f2ef;    --local-ink: #1f6b5f;
  --warn-bg: #fff6e5;     --warn-line: #e0a83b;
  --tip-bg: #eef7f1;      --tip-line: #4e9d74;
  --ask-bg: #eef3fb;      --ask-line: #5b86c9;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(20, 30, 45, .06), 0 4px 14px rgba(20, 30, 45, .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161b; --surface: #1a2027; --surface-2: #222a33;
    --ink: #e7ecf1; --ink-2: #c3ccd6; --muted: #93a0ad; --line: #2e3844;
    --navy: #28517f; --focus: #7aa7ee; --accent: #58b8a8;
    --verified-bg: #173226; --verified-ink: #8fd7b0;
    --check-bg: #3a2e12;    --check-ink: #f1c667;
    --custom-bg: #2a3038;   --custom-ink: #c3ccd6;
    --yearly-bg: #2b2750;   --yearly-ink: #c1b7ff;
    --pinned-bg: #28517f;
    --national-bg: #1d2f4b; --national-ink: #a7c4f2;
    --local-bg: #173531;    --local-ink: #8fd6c9;
    --warn-bg: #33291a;     --warn-line: #d8a24a;
    --tip-bg: #18302a;      --tip-line: #5fb88b;
    --ask-bg: #1b2a40;      --ask-line: #7aa0dd;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a { color: var(--accent); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

/* ── 머리 ── */
.top { background: var(--navy); color: var(--navy-ink); }
.top__inner { max-width: 1120px; margin: 0 auto; padding: 22px 16px 0; display: grid; gap: 14px; }
.brand__kicker { margin: 0; font-size: 14px; font-weight: 700; opacity: .8; letter-spacing: .02em; }
.brand__title { margin: 2px 0 0; font-size: clamp(24px, 4vw, 32px); line-height: 1.25; letter-spacing: -.01em; }
.brand__tagline { margin: 4px 0 0; opacity: .85; }
.search { position: relative; }
.search input {
  width: 100%; font: inherit; font-size: 17px; padding: 13px 44px 13px 16px;
  border: 0; border-radius: var(--radius); background: var(--surface); color: var(--ink);
  box-shadow: 0 2px 10px rgba(0, 0, 0, .18);
}
.search__key {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font: 12px/1 ui-monospace, monospace; color: var(--muted); border: 1px solid var(--line); border-radius: 6px; padding: 4px 7px;
}
.tabs { display: flex; gap: 4px; }
.tabs__item {
  color: var(--navy-ink); text-decoration: none; padding: 10px 14px 12px; border-radius: 10px 10px 0 0; font-weight: 700; opacity: .75;
}
.tabs__item[aria-current="true"] { background: var(--bg); color: var(--ink); opacity: 1; }
.tabs__count { font-size: 12px; font-weight: 700; margin-left: 4px; padding: 1px 7px; border-radius: 999px; background: rgba(255,255,255,.16); }
.tabs__item[aria-current="true"] .tabs__count { background: var(--surface-2); }

/* ── 본문 ── */
.page { max-width: 1120px; margin: 0 auto; padding: 18px 16px 40px; }
.situations { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none;
  padding: 7px 13px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2);
}
.chip:hover { border-color: var(--navy); }
.chip[aria-pressed="true"] { background: var(--navy); border-color: var(--navy); color: #fff; }
.chip--link { font-weight: 500; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }

.filters { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 18px; }
.segmented { display: inline-flex; background: var(--surface-2); border-radius: 10px; padding: 3px; flex-wrap: wrap; }
.segmented__item {
  font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; border: 0; background: transparent; color: var(--muted);
  padding: 6px 11px; border-radius: 8px;
}
.segmented__item[aria-pressed="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }

.layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; align-items: start; }
.chapters { position: sticky; top: 12px; display: grid; gap: 2px; }
.chapters__item {
  font: inherit; font-size: 15px; text-align: left; cursor: pointer; border: 0; background: transparent; color: var(--ink-2);
  padding: 8px 12px; border-radius: 10px; display: flex; justify-content: space-between; gap: 8px;
}
.chapters__item:hover { background: var(--surface-2); }
.chapters__item[aria-pressed="true"] { background: var(--surface); color: var(--ink); font-weight: 700; box-shadow: var(--shadow); }
.chapters__count { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }

.results:focus { outline: none; }
.results__head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.results__count { margin: 0; color: var(--muted); font-size: 14px; }
.link-button { font: inherit; font-size: 14px; background: none; border: 0; color: var(--accent); cursor: pointer; padding: 4px 0; text-decoration: underline; }
.section-label { font-size: 13px; color: var(--muted); margin: 0 0 6px; font-weight: 700; }
.recent { margin-bottom: 14px; }

/* ── 카드 ── */
.card-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.kb-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); transition: border-color .15s, transform .15s; }
.kb-card:hover { border-color: var(--navy); transform: translateY(-1px); }
.kb-card__head { color: inherit; text-decoration: none; padding: 14px 16px 12px; display: flex; flex-direction: column; gap: 6px; height: 100%; border-radius: var(--radius); }
.kb-card__title { font-size: 17px; font-weight: 800; line-height: 1.4; }
.kb-card__answer { color: var(--ink-2); font-size: 14.5px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.kb-card__tilefoot { margin-top: auto; padding-top: 4px; display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.kb-card__chapter { font-size: 12px; color: var(--muted); }
.kb-card__more { font-size: 13px; font-weight: 700; color: var(--accent); }
.kb-card__more::after { content: " →"; }
/* 카드 창 */
html:has(.card-dialog[open]) { overflow: hidden; }
.card-dialog { width: min(860px, calc(100vw - 32px)); max-height: calc(100vh - 48px); padding: 0; border: 0; border-radius: 16px; background: var(--surface); color: var(--ink); box-shadow: 0 20px 60px rgba(0, 0, 0, .3); overflow: hidden; }
.card-dialog[open] { display: flex; flex-direction: column; }
.card-dialog::backdrop { background: rgba(12, 18, 28, .55); }
.card-dialog__scroll { overflow-y: auto; overscroll-behavior: contain; flex: 1; }
.card-dialog__close { position: absolute; top: 12px; right: 12px; z-index: 2; font: inherit; font-size: 13.5px; font-weight: 700; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-2); cursor: pointer; }
.card-dialog__close:hover { border-color: var(--navy); color: var(--ink); }
.card-dialog__head { padding: 18px 20px 14px; padding-right: 96px; display: grid; gap: 6px; border-bottom: 1px solid var(--line); }
.card-dialog__head .kb-card__title { margin: 0; font-size: 21px; }
.card-dialog__head .kb-card__title:focus { outline: none; }
.card-dialog__head .kb-card__answer { margin: 0; font-size: 16px; display: block; -webkit-line-clamp: unset; overflow: visible; }
.kb-card--detail { border: 0; box-shadow: none; border-radius: 0; }
.kb-card--detail:hover { transform: none; }
.card-dialog__nav { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 16px; border-top: 1px solid var(--line); background: var(--bg); }
.card-dialog__pos { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.card-dialog__nav .mini-button:disabled { opacity: .45; cursor: default; }
.badges { display: flex; flex-wrap: wrap; gap: 5px; }
.badge { font-size: 12px; font-weight: 700; padding: 2px 8px; border-radius: 999px; line-height: 1.6; white-space: nowrap; }
.badge--verified { background: var(--verified-bg); color: var(--verified-ink); }
.badge--check { background: var(--check-bg); color: var(--check-ink); }
.badge--custom { background: var(--custom-bg); color: var(--custom-ink); }
.badge--yearly { background: var(--yearly-bg); color: var(--yearly-ink); }
.badge--pinned { background: var(--pinned-bg); color: var(--pinned-ink); }
.badge--scope-national { background: var(--national-bg); color: var(--national-ink); }
.badge--scope-local { background: var(--local-bg); color: var(--local-ink); }

.kb-card__body { padding: 16px 20px 20px; display: grid; gap: 12px; }
.kb-section__title { margin: 0 0 4px; font-size: 13px; color: var(--muted); letter-spacing: .02em; }
.kb-section p { margin: 0; }
.steps, .points { margin: 0; padding-left: 22px; display: grid; gap: 4px; }
.steps li::marker { font-weight: 800; color: var(--navy); }
.callout { border-left: 4px solid; border-radius: 8px; padding: 10px 12px; }
.callout .kb-section__title { color: inherit; opacity: .8; }
.callout--warn { background: var(--warn-bg); border-color: var(--warn-line); }
.callout--tip { background: var(--tip-bg); border-color: var(--tip-line); }
.callout--ask { background: var(--ask-bg); border-color: var(--ask-line); }
.ask { display: grid; gap: 8px; justify-items: start; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 0; font-size: 14px; }
.facts dt { color: var(--muted); font-weight: 700; }
.facts dd { margin: 0; }
.sources { display: grid; gap: 2px; }
.kb-card__actions { display: flex; gap: 8px; }
.mini-button {
  font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; padding: 5px 11px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink-2);
}
.mini-button:hover { border-color: var(--navy); }
.empty { color: var(--muted); padding: 24px 0; }

/* ── 체크리스트 ── */
.checklist { max-width: 760px; }
.checklist h2 { margin: 6px 0 4px; }
.checklist__lead { color: var(--muted); margin: 0 0 14px; }
.progress { height: 10px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.progress__bar { display: block; height: 100%; width: 0; background: var(--accent); transition: width .25s ease; }
.checklist__status { font-size: 14px; color: var(--muted); margin: 6px 0 14px; }
.checklist__items { list-style: none; padding: 0; margin: 0 0 14px; display: grid; gap: 8px; }
.check-item { display: flex; justify-content: space-between; align-items: center; gap: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.check-item.is-done .check-item__label span { color: var(--muted); text-decoration: line-through; }
.check-item__label { display: flex; gap: 12px; align-items: flex-start; cursor: pointer; }
.check-item__label input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--accent); flex: none; }
.check-item__link { font-size: 14px; white-space: nowrap; }

/* ── 바닥 ── */
.foot { border-top: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: 14px; }
.foot__inner { max-width: 1120px; margin: 0 auto; padding: 18px 16px 28px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0 0 12px; }
.legend div { display: flex; gap: 6px; align-items: center; }
.legend dd { margin: 0; }

/* ── 좁은 화면 ── */
@media (max-width: 780px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .chapters { position: static; display: flex; overflow-x: auto; gap: 6px; padding-bottom: 4px; scrollbar-width: none; }
  .chapters__item { white-space: nowrap; flex: none; background: var(--surface); border: 1px solid var(--line); padding: 6px 12px; }
  /* 상황 칩이 폰에서 다섯 줄을 차지하지 않게 한 줄로 밀어 보게 한다. */
  .situations { flex-wrap: nowrap; overflow-x: auto; margin: 0 -16px; padding: 0 16px 4px; scrollbar-width: none; }
  .situations .chip { flex: none; }
  .search__key { display: none; }
  .kb-card__title { font-size: 16.5px; }
  .card-dialog { width: 100vw; max-width: 100vw; height: 100dvh; max-height: 100dvh; border-radius: 0; margin: 0; }
  .card-dialog__head { padding: 14px 16px 12px; padding-right: 84px; }
  .card-dialog__head .kb-card__title { font-size: 19px; }
  .kb-card__body { padding: 14px 16px 18px; }
  .facts { grid-template-columns: minmax(0, 1fr); }
  .facts dt { margin-top: 6px; }
  .check-item { flex-direction: column; align-items: flex-start; }
}

@media print {
  .top, .situations, .filters, .chapters, .results__head, .recent, .foot, .kb-card__actions, .mini-button { display: none !important; }
  .layout { display: block; }
  body { background: #fff; }
  .kb-card { box-shadow: none; break-inside: avoid; }
}