/* CBNU-KNOW — cbnuholdings.com 브랜드 토큰(home.css :root, 2026-09-15 재확인) */
:root {
  --cb-primary: #A8134A;
  --cb-deep: #6E0B2E;
  --cb-ink: #171214;
  --cb-body: #5B5155;
  --cb-muted: #8B8085;
  --cb-paper: #FBF6F7;
  --cb-card: #FFFFFF;
  --cb-line: rgba(23, 18, 20, .10);
  --cb-line-strong: rgba(23, 18, 20, .18);
  --cb-tint: rgba(168, 19, 74, .06);
  --cb-tint-2: rgba(168, 19, 74, .12);
  --ok: #1F6B4A;
  --warn: #8A5A00;
  --radius: 10px;
  --max: 880px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--cb-paper);
  color: var(--cb-ink);
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, 'Segoe UI', 'Malgun Gothic', sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
a { color: var(--cb-primary); }
button, input, textarea, select { font: inherit; color: inherit; }

/* 머리 */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(251, 246, 247, .92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--cb-line);
}
.top-in { max-width: var(--max); margin: 0 auto; padding: 12px 20px; display: flex; align-items: center; gap: 16px; }
.brand { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--cb-ink); }
.brand b { font-size: 17px; letter-spacing: .02em; }
.brand b span { color: var(--cb-primary); }
.brand small { color: var(--cb-muted); font-size: 12.5px; }
.homelink { font-size: 12.5px; color: var(--cb-muted); text-decoration: none; padding: 2px 8px; border-left: 1px solid var(--cb-line-strong); white-space: nowrap; }
.homelink:hover { color: var(--cb-primary); }
footer.foot a { color: var(--cb-body); }
.top-meta { margin-left: auto; display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--cb-body); flex-wrap: wrap; justify-content: flex-end; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px; background: var(--cb-card); border: 1px solid var(--cb-line); font-size: 12.5px; white-space: nowrap; }
.pill strong { color: var(--cb-primary); }

main { max-width: var(--max); margin: 0 auto; padding: 28px 20px 80px; }
h1 { font-size: 26px; line-height: 1.35; margin: 0 0 8px; letter-spacing: -.01em; }
h2 { font-size: 19px; margin: 0 0 12px; }
h3 { font-size: 16px; margin: 0 0 8px; }
.lead { color: var(--cb-body); margin: 0 0 20px; }
.muted { color: var(--cb-muted); }
.small { font-size: 13px; }

/* 고지 */
.notice {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 14px; border-radius: var(--radius);
  background: var(--cb-tint); border: 1px solid var(--cb-tint-2);
  color: var(--cb-deep); font-size: 14px; margin: 0 0 16px;
}
.notice::before { content: "i"; flex: none; width: 20px; height: 20px; border-radius: 50%; background: var(--cb-primary); color: #fff; font-size: 12px; font-weight: 700; display: grid; place-items: center; margin-top: 1px; }

/* 카드·입력 */
.card { background: var(--cb-card); border: 1px solid var(--cb-line); border-radius: var(--radius); padding: 20px; margin: 0 0 16px; }
label.field { display: block; font-weight: 600; font-size: 14px; margin: 0 0 6px; }
input[type=text], input[type=password], input[type=number], textarea, select {
  width: 100%; padding: 11px 12px; border: 1px solid var(--cb-line-strong); border-radius: 8px; background: #fff;
}
textarea { min-height: 140px; resize: vertical; }
input:focus, textarea:focus, select:focus, button:focus-visible { outline: 2px solid var(--cb-primary); outline-offset: 1px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row > select { width: auto; }
.brand b { white-space: nowrap; }
.row.end { justify-content: flex-end; }
.spacer { flex: 1; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 18px; border-radius: 8px; border: 1px solid var(--cb-primary); background: var(--cb-primary); color: #fff; font-weight: 700; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--cb-deep); border-color: var(--cb-deep); }
.btn.ghost { background: transparent; color: var(--cb-primary); }
.btn.ghost:hover { background: var(--cb-tint); }
.btn.quiet { background: transparent; border-color: var(--cb-line-strong); color: var(--cb-ink); font-weight: 600; }
.btn.quiet:hover { background: #fff; }
.btn.sm { padding: 6px 12px; font-size: 13px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--cb-primary); cursor: pointer; text-decoration: underline; font-size: 13px; }

.examples { display: flex; flex-direction: column; gap: 6px; margin: 10px 0 0; }
.example { text-align: left; background: #fff; border: 1px dashed var(--cb-line-strong); border-radius: 8px; padding: 8px 12px; cursor: pointer; font-size: 14px; color: var(--cb-body); }
.example b { color: var(--cb-primary); font-weight: 700; margin-right: 6px; }

.err { color: #9B1C1C; background: #FDF0F0; border: 1px solid #F3C7C7; padding: 10px 12px; border-radius: 8px; font-size: 14px; margin: 10px 0 0; }

/* 진행 */
.loading { display: flex; align-items: center; gap: 12px; padding: 18px; color: var(--cb-body); }
.spin { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--cb-tint-2); border-top-color: var(--cb-primary); animation: spin .9s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spin { animation: none; } }

/* 단계 표시 */
.steps { display: flex; gap: 6px; margin: 0 0 18px; flex-wrap: wrap; }
.steps span { font-size: 12.5px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--cb-line); color: var(--cb-muted); background: #fff; }
.steps span.on { color: #fff; background: var(--cb-ink); border-color: var(--cb-ink); }

/* 입력 확인 */
.echo { border-left: 3px solid var(--cb-primary); padding: 4px 0 4px 12px; margin: 0 0 16px; color: var(--cb-body); }
.echo .q { color: var(--cb-ink); font-weight: 600; }
.seg { display: inline-flex; border: 1px solid var(--cb-line-strong); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: #fff; padding: 6px 12px; cursor: pointer; font-size: 13.5px; }
.seg button.on { background: var(--cb-ink); color: #fff; }

/* 후보 카드 */
.cands { display: grid; gap: 10px; margin: 12px 0 16px; }
.cand { display: grid; grid-template-columns: 24px 1fr; gap: 10px; padding: 14px; border: 1px solid var(--cb-line); border-radius: var(--radius); background: #fff; cursor: pointer; }
.cand:hover { border-color: var(--cb-line-strong); }
.cand.on { border-color: var(--cb-primary); box-shadow: inset 0 0 0 1px var(--cb-primary); background: #FFFDFD; }
.cand input { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--cb-primary); }
.cand .t { font-weight: 700; }
.cand .meta { font-size: 13px; color: var(--cb-muted); }
.cand .one { margin: 4px 0 0; font-size: 14px; color: var(--cb-body); }
.cand .why { margin: 6px 0 0; font-size: 13.5px; color: var(--cb-ink); }
.cand .why::before { content: "선정 이유 · "; color: var(--cb-primary); font-weight: 600; }
.grade { display: inline-block; font-size: 11.5px; font-weight: 700; padding: 1px 7px; border-radius: 4px; margin-left: 6px; vertical-align: 1px; }
.grade.cite { color: var(--ok); background: #E8F3EE; }
.grade.ref { color: var(--warn); background: #FBF1DE; }
.refnote { font-size: 12.5px; color: var(--warn); margin: 4px 0 0; }

/* 결과 — 정·반·합 */
.block { background: #fff; border: 1px solid var(--cb-line); border-radius: var(--radius); margin: 0 0 14px; overflow: hidden; }
.block > header { display: flex; align-items: baseline; gap: 10px; padding: 12px 18px; border-bottom: 1px solid var(--cb-line); flex-wrap: wrap; }
.block > header .mark { font-weight: 800; font-size: 17px; }
.block > header .sub { font-size: 13px; color: var(--cb-muted); }
.block.thesis > header .mark { color: var(--cb-ink); }
.block.anti > header { background: var(--cb-tint); }
.block.anti > header .mark { color: var(--cb-primary); }
.block.synth > header .mark { color: var(--cb-deep); }
.block ul { list-style: none; margin: 0; padding: 6px 18px 12px; }
.block li { padding: 10px 0; border-bottom: 1px solid var(--cb-line); }
.block li:last-child { border-bottom: 0; }
.block .empty { padding: 14px 18px; color: var(--cb-muted); font-size: 14px; }
.kind { display: inline-block; font-size: 11.5px; font-weight: 700; padding: 1px 7px; border-radius: 4px; margin-right: 6px; background: #F1ECEE; color: var(--cb-body); vertical-align: 1px; }
.kind.user { background: #EEF0F7; color: #3A4466; }
.kind.general { background: #F3F3F3; color: #666; }
.kind.via { background: var(--cb-tint-2); color: var(--cb-deep); }
.refs { display: inline-flex; gap: 4px; flex-wrap: wrap; margin-left: 4px; }
.ref { font-size: 12px; font-weight: 600; padding: 0 6px; border-radius: 4px; border: 1px solid var(--cb-line-strong); color: var(--cb-body); background: #fff; cursor: pointer; }
.ref:hover { border-color: var(--cb-primary); color: var(--cb-primary); }
.ladder { font-size: 12.5px; font-weight: 700; color: var(--cb-primary); }
.added { margin: 8px 18px 0; font-size: 13px; color: var(--cb-deep); }

.conds { display: grid; gap: 10px; padding: 14px 18px; }
.cond { border: 1px solid var(--cb-line); border-radius: 8px; padding: 12px 14px; background: #FFFCFD; }
.cond .if { font-weight: 700; }
.cond .if::before { content: "조건 · "; color: var(--cb-primary); }
.cond .then { margin: 4px 0 0; color: var(--cb-body); }

.nexts { display: grid; gap: 8px; padding: 14px 18px; }
.next { text-align: left; display: flex; gap: 10px; align-items: flex-start; width: 100%; background: #fff; border: 1px solid var(--cb-line-strong); border-radius: 8px; padding: 10px 12px; cursor: pointer; }
.next:hover:not([disabled]) { border-color: var(--cb-primary); }
.next .n { flex: none; width: 22px; height: 22px; border-radius: 50%; background: var(--cb-ink); color: #fff; font-size: 12px; font-weight: 700; display: grid; place-items: center; margin-top: 1px; }
.next[disabled] { cursor: default; opacity: .7; }

.sources { padding: 6px 18px 14px; }
.source { padding: 10px 0; border-bottom: 1px solid var(--cb-line); font-size: 14px; }
.source:last-child { border-bottom: 0; }
.source .sid { font-weight: 700; margin-right: 6px; }
.source .extra { font-size: 12.5px; color: var(--cb-muted); }
.source.flash { background: var(--cb-tint); }

.followup-wrap { border-top: 2px dashed var(--cb-line-strong); margin: 22px 0 0; padding: 18px 0 0; }
.fu-q { font-weight: 700; margin: 0 0 10px; }
.fu-q::before { content: "이어서 · "; color: var(--cb-primary); }

.history { list-style: none; margin: 0; padding: 0; }
.history li { padding: 12px 0; border-bottom: 1px solid var(--cb-line); display: flex; gap: 10px; align-items: baseline; }
.history .when { font-size: 12.5px; color: var(--cb-muted); flex: none; width: 92px; }

footer.foot { max-width: var(--max); margin: 0 auto; padding: 0 20px 40px; font-size: 12.5px; color: var(--cb-muted); }

/* 관리자 */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--cb-line); margin: 0 0 18px; overflow-x: auto; }
.tabs button { border: 0; background: none; padding: 10px 14px; cursor: pointer; font-weight: 600; color: var(--cb-muted); border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs button.on { color: var(--cb-ink); border-bottom-color: var(--cb-primary); }
.tabs button.btn { color: #fff; background: var(--cb-primary); border: 1px solid var(--cb-primary); border-radius: 8px; padding: 6px 14px; align-self: center; }
.tabs button.btn:hover { background: var(--cb-deep); }
.stat .v { font-size: 19px; word-break: keep-all; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin: 0 0 16px; }
.stat { background: #fff; border: 1px solid var(--cb-line); border-radius: var(--radius); padding: 14px; }
.stat .v { font-size: 22px; font-weight: 800; }
.stat .k { font-size: 12.5px; color: var(--cb-muted); }
.alert { display: flex; gap: 10px; align-items: center; padding: 10px 14px; border-radius: 8px; background: #FFF4E5; border: 1px solid #F5D19B; margin: 0 0 8px; font-size: 14px; flex-wrap: wrap; }
.tablewrap { overflow-x: auto; background: #fff; border: 1px solid var(--cb-line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--cb-line); vertical-align: top; }
th { background: #FAF7F8; font-weight: 700; white-space: nowrap; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--cb-tint); }
.codebox { font-family: ui-monospace, 'Cascadia Mono', Consolas, monospace; font-size: 15px; letter-spacing: .08em; font-weight: 700; }
pre.json { white-space: pre-wrap; word-break: break-word; background: #FAF7F8; border: 1px solid var(--cb-line); border-radius: 8px; padding: 10px; font-size: 12.5px; max-height: 320px; overflow: auto; }
details.chunk { border: 1px solid var(--cb-line); border-radius: 8px; padding: 8px 12px; margin: 6px 0; background: #fff; }
details.chunk summary { cursor: pointer; font-size: 13px; font-weight: 600; }
details.chunk div { white-space: pre-wrap; font-size: 13px; color: var(--cb-body); margin: 8px 0 0; }

@media (max-width: 560px) {
  body { font-size: 14.5px; }
  main { padding: 20px 16px 60px; }
  .top-in { padding: 10px 16px; }
  .brand small, .homelink { display: none; }
  h1 { font-size: 22px; }
  .card { padding: 16px; }
  .block > header, .block ul, .conds, .nexts, .sources { padding-left: 14px; padding-right: 14px; }
  .history .when { width: 72px; }
}