:root{
  --bg:#0f1620; --card:#182534; --line:#2b3a4d; --ink:#e6edf3; --muted:#93a4b7;
  --accent:#3b82f6; --ok:#22c55e; --bad:#ef4444; --tag:#7c5cff;
}
*{box-sizing:border-box}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo",
    "Noto Sans KR",Roboto,sans-serif; line-height:1.6;
}
header{max-width:820px; margin:0 auto; padding:28px 18px 8px}
h1{margin:0 0 4px; font-size:1.5rem}
.sub{color:var(--muted); margin:0 0 8px; font-size:.92rem}

/* 상단 내비게이션 (퀴즈 ↔ 논문) */
.nav{max-width:820px; margin:0 auto; padding:14px 18px 0; display:flex; gap:8px}
.nav a{
  text-decoration:none; color:var(--muted); background:var(--card);
  border:1px solid var(--line); border-radius:9px; padding:7px 14px; font-size:.92rem;
}
.nav a:hover{border-color:var(--accent); color:var(--ink)}
.nav a.active{background:var(--accent); border-color:var(--accent); color:#fff; font-weight:600}

/* 논문 피드 */
.filters{display:flex; flex-wrap:wrap; gap:10px; align-items:center}
.filters input[type=search]{
  background:#0e1826; color:var(--ink); border:1px solid var(--line);
  border-radius:8px; padding:8px 10px; font-size:1rem; flex:1; min-width:200px;
}
.paper{border:1px solid var(--line); border-radius:12px; padding:16px 18px; margin:12px 0; background:#0e1826}
.paper .ptop{display:flex; gap:8px; align-items:center; flex-wrap:wrap; margin-bottom:6px}
.paper .ptitle{font-weight:600; font-size:1.05rem; margin:2px 0 6px; line-height:1.4}
.paper .pmeta{color:var(--muted); font-size:.85rem; margin-bottom:4px}
.paper .pauthors{color:var(--muted); font-size:.85rem}
.paper details{margin-top:10px}
.paper summary{cursor:pointer; color:#8fb3ff; font-size:.9rem; user-select:none}
.paper .sec{margin:10px 0}
.paper .sec h4{margin:0 0 4px; font-size:.9rem; color:var(--tag)}
.paper .sec p{margin:0; white-space:pre-wrap; font-size:.92rem; color:var(--ink)}
.paper .plink{color:var(--accent); text-decoration:none; font-size:.88rem}
.paper .plink:hover{text-decoration:underline}
.pill{background:rgba(59,130,246,.15); color:#9cc3ff; border:1px solid #2f4a72; border-radius:6px; padding:2px 8px; font-size:.8rem}
/* 회차·부위 배지 — 날짜순 목록에서 해부 카드의 소속(2회차 · 등)을 제목 앞에 박는다 */
.pill.unit{background:rgba(240,181,107,.14); color:#f0b56b; border-color:#7a5a2e;
  margin-right:8px; cursor:pointer; vertical-align:middle; white-space:nowrap}
.pill.unit:hover{background:rgba(240,181,107,.26)}
.conf-medium{color:#e0b34d}
.conf-low{color:#ef8f8f}
.conf-high{color:var(--ok)}
.empty{text-align:center; color:var(--muted); padding:30px 10px}
/* 날짜별 스크랩 그룹 구분(어디까지 봤는지 경계) */
.datehead{display:flex; align-items:center; gap:10px; position:sticky; top:0; z-index:2;
  margin:20px 0 8px; padding:7px 12px; background:rgba(59,130,246,.14);
  border:1px solid #2f4a72; border-radius:8px}
.datehead .dhdate{font-weight:600; color:#9cc3ff; font-size:.92rem}
.datehead .dhcount{color:var(--muted); font-size:.82rem}
.datehead .dhline{flex:1; height:1px; background:var(--line)}
.datepill{background:rgba(124,92,255,.12); color:#c9bcff; border-color:#4a3d7a}
.notebadge{background:rgba(124,92,255,.15); color:#c9bcff; border-color:#4a3d7a}
.landmark{background:rgba(234,179,8,.15); color:#eab308; border-color:#8a6d1f; font-weight:600}
.noteedit{border-top:1px dashed var(--line); padding-top:10px; margin-top:12px}
.noteinput{
  width:100%; background:#0b1420; color:var(--ink); border:1px solid var(--line);
  border-radius:8px; padding:10px; font-family:inherit; font-size:.92rem; line-height:1.6;
  resize:vertical; min-height:64px;
}
.noteinput:focus{outline:none; border-color:var(--accent)}
.noterow{display:flex; align-items:center; gap:10px; margin-top:6px}
.notestatus{flex:1; font-size:.82rem; color:var(--ok)}
.card{
  max-width:820px; margin:16px auto; padding:20px; background:var(--card);
  border:1px solid var(--line); border-radius:14px;
}
.hidden{display:none !important}
.row{display:flex; flex-wrap:wrap; gap:12px; align-items:center; margin:10px 0}
label{color:var(--ink)}
select{
  background:#0e1826; color:var(--ink); border:1px solid var(--line);
  border-radius:8px; padding:8px 10px; font-size:1rem; min-width:220px;
}
button{
  background:#22344a; color:var(--ink); border:1px solid var(--line);
  border-radius:9px; padding:9px 14px; font-size:.95rem; cursor:pointer;
}
button:hover{border-color:var(--accent)}
button.primary{background:var(--accent); border-color:var(--accent); color:#fff; font-weight:600}
button.danger{border-color:var(--bad); color:#ffb4b4}
.muted{color:var(--muted); font-size:.88rem}

.quiz-top{display:flex; gap:8px; align-items:center; flex-wrap:wrap; margin-bottom:10px}
.badge{background:#0e1826; border:1px solid var(--line); border-radius:20px; padding:3px 12px; font-size:.82rem; color:var(--muted)}
.tag{background:rgba(124,92,255,.15); color:#c9bcff; border:1px solid #4a3d7a; border-radius:6px; padding:2px 8px; font-size:.82rem}
.subj{color:var(--muted); font-size:.9rem; margin-left:auto}
.vignette{background:#0e1826; border:1px solid var(--line); border-radius:10px; padding:14px; white-space:pre-wrap}
.question{font-weight:600; font-size:1.05rem; margin:16px 0 12px}

#options{display:flex; flex-direction:column; gap:9px}
.opt{
  text-align:left; padding:12px 14px; border-radius:10px; background:#0e1826;
  border:1px solid var(--line); width:100%; font-size:.98rem; color:var(--ink);
  transition:border-color .1s;
}
.opt:hover{border-color:var(--accent)}
.opt .num{font-weight:700; margin-right:8px}
.opt.correct{border-color:var(--ok); background:rgba(34,197,94,.12)}
.opt.wrong{border-color:var(--bad); background:rgba(239,68,68,.12)}
.opt:disabled{cursor:default; opacity:1}

.explanation{margin-top:16px; padding:14px; border-radius:10px; background:#0e1826; border:1px solid var(--line)}
.verdict{font-weight:700; margin-bottom:8px}
.verdict.ok{color:var(--ok)}
.verdict.bad{color:var(--bad)}
.explanation .item{margin:6px 0}
.explanation .expl-item{margin:11px 0; line-height:1.65}
.explanation .expl-item:first-child{margin-top:2px}
.explanation .k{color:#8fb3ff; font-weight:600; margin-right:6px}
.explanation .expl-item .k{font-weight:700}
.optlines{display:block; white-space:pre-line; margin-top:3px}
.explanation .src{color:var(--muted); font-size:.86rem; margin-top:8px}
.expl-text{
  margin:8px 0 0; white-space:pre-wrap; word-break:break-word;
  font-family:inherit; font-size:.92rem; line-height:1.65; color:var(--ink);
}

.appendix{margin-top:14px; padding-top:12px; border-top:1px dashed var(--line)}
.appendix-head{color:var(--tag); font-weight:700; font-size:.9rem; margin-bottom:6px}
.appendix .item{margin:6px 0}
.appendix .k{color:#8fb3ff; font-weight:600; margin-right:6px}
.guide-table{
  background:#0e1826; border:1px solid var(--line); border-radius:8px;
  padding:10px 12px; font-size:.85rem; white-space:pre-wrap; overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.refs{margin:4px 0 4px 20px; padding:0; color:var(--muted); font-size:.86rem}
.refs li{margin:2px 0}

/* 도형(심전도 등 결정론 SVG) 박스 — 문제 상단 */
.figbox{background:#fff; border:1px solid var(--line); border-radius:10px; padding:8px; margin:12px 0; overflow-x:auto}
.figbox svg{display:block}

/* 임상 자료 박스(활력징후·검사소견) — 문제 상단 */
.databox{background:#0e1826; border:1px solid var(--line); border-radius:10px; padding:12px 14px; margin:12px 0}
.databox .db-h{color:var(--tag); font-weight:700; font-size:.82rem; margin:2px 0 6px}
.databox .db-h + .db-h, .databox .db-labs + .db-h, .databox table + .db-h{margin-top:12px}
.db-vitals{display:flex; flex-wrap:wrap; gap:6px}
.vchip{background:#0b1420; border:1px solid var(--line); border-radius:6px; padding:3px 9px; font-size:.86rem; color:var(--ink)}
.vchip b{color:#9cc3ff; font-weight:600; margin-right:4px}
.db-labs{width:100%; border-collapse:collapse; font-size:.88rem}
.db-labs th{text-align:left; color:var(--muted); font-weight:600; font-size:.8rem; padding:4px 8px; border-bottom:1px solid var(--line)}
.db-labs td{padding:4px 8px; border-bottom:1px solid #16202e}
.db-labs td.ref{color:var(--muted); font-size:.82rem; white-space:nowrap}
.db-labs tr:last-child td{border-bottom:none}

.quiz-nav{display:flex; gap:10px; margin-top:16px}
.score{font-size:1.1rem; font-weight:600}
#wrongList .w, #wbList .w{border:1px solid var(--line); border-radius:10px; padding:12px; margin:10px 0; background:#0e1826}
.w .whead{font-weight:600}
.w .wmeta{color:var(--muted); font-size:.85rem; margin:4px 0}
.w .mine{color:#ffb4b4}
.w .ans{color:#9ff0b8}
footer{max-width:820px; margin:8px auto 40px; padding:0 18px}
code{background:#0e1826; border:1px solid var(--line); border-radius:5px; padding:1px 5px; font-size:.85em}

/* 통합검색 · 대시보드 (search.html) */
.dash-types{display:flex; flex-direction:column; gap:6px; margin:6px 0 4px}
.dash-type{display:flex; align-items:center; gap:10px; width:100%; text-align:left; background:#0e1826}
.dash-type .dt-label{width:78px; flex:none; font-size:.9rem}
.dash-type .dt-bar{flex:1; height:10px; background:#0b1420; border:1px solid var(--line); border-radius:6px; overflow:hidden}
.dash-type .dt-bar span{display:block; height:100%; background:var(--accent)}
.dash-type .dt-n{width:34px; flex:none; text-align:right; color:var(--muted); font-size:.9rem}
.dash-h{margin:14px 0 6px; font-size:.9rem; color:var(--tag)}
.chips{display:flex; flex-wrap:wrap; gap:6px}
.chip{background:#0e1826; font-size:.85rem; padding:5px 10px}
.chip .chip-n{color:var(--muted); font-size:.8em; margin-left:2px}
.rid{color:var(--muted); font-size:.82rem; font-family:ui-monospace,Menlo,Consolas,monospace}
.rsnip{color:var(--ink); font-size:.9rem; margin:6px 0; line-height:1.55}
.rtags{display:flex; flex-wrap:wrap; gap:5px; margin:6px 0}
.rmeta{color:var(--muted); font-size:.82rem; margin-top:4px}
mark{background:rgba(124,92,255,.35); color:#fff; border-radius:3px; padding:0 2px}

/* ── 새 자료(날짜순) ─────────────────────────────────────── */
.wn-badge{background:#7c5cff; color:#fff; border-radius:20px; padding:2px 10px;
  font-size:.72rem; font-weight:700; letter-spacing:.02em; vertical-align:middle}
.wn-btn{background:#0e1826; color:var(--ink); border:1px solid var(--line);
  border-radius:8px; padding:8px 14px; cursor:pointer; font-size:.88rem}
.wn-btn:hover{border-color:var(--accent)}
.wn-day{padding:14px 18px}
.wn-date{margin:0 0 10px; font-size:1rem; display:flex; align-items:center; gap:8px}
.wn-list{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:2px}
.wn-item{display:flex; flex-wrap:wrap; align-items:baseline; gap:8px;
  padding:7px 8px; border-radius:8px}
.wn-item.is-new{background:rgba(124,92,255,.10); box-shadow:inset 2px 0 0 var(--accent)}
.wn-type{flex:none; font-size:.72rem; font-weight:700; border-radius:5px;
  padding:2px 7px; background:#0e1826; border:1px solid var(--line); color:var(--muted)}
.wn-anatomy{color:#f0a09c; border-color:#5a4040}
.wn-kmle,.wn-usmle{color:#9cc3ff; border-color:#3d5166}
.wn-paper{color:#7fd4a8; border-color:#3f7a5e}
.wn-ailab{color:#e0c070; border-color:#5a4a20}
/* 회차·부위 배지 — 날짜순 타임라인에서 해부 자료의 소속(2회차 · 등). 누르면 그 회차만 */
.wn-unit{flex:none; font-size:.72rem; font-weight:700; border-radius:5px; padding:2px 7px;
  background:rgba(240,181,107,.14); border:1px solid #7a5a2e; color:#f0b56b;
  cursor:pointer; white-space:nowrap; font-family:inherit; line-height:1.5}
.wn-unit:hover{background:rgba(240,181,107,.28)}
.wn-title{flex:1 1 260px; color:var(--ink); font-size:.92rem}
.wn-topic{color:var(--muted); font-size:.8rem}
.wn-links{flex:none; font-size:.8rem; color:var(--muted)}
.wn-links a{color:var(--accent); text-decoration:none}
.wn-links a:hover{text-decoration:underline}

/* ── 도해 갤러리 ─────────────────────────────────────────── */
.dg-grid{display:grid; gap:14px; grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.dg-tile{margin:0; background:#0b1624; border:1px solid var(--line); border-radius:10px;
  overflow:hidden; display:flex; flex-direction:column}
.dg-tile.is-new{border-color:var(--accent); box-shadow:0 0 0 1px rgba(124,92,255,.35)}
.dg-tile img{display:block; width:100%; height:170px; object-fit:contain;
  object-position:left top; background:#0e1826}
.dg-tile figcaption{padding:9px 11px; display:flex; flex-wrap:wrap; gap:5px 7px; align-items:baseline}
.dg-kind{font-size:.7rem; font-weight:700; border-radius:5px; padding:2px 6px;
  background:#0e1826; border:1px solid var(--line); color:var(--muted)}
.dg-tree-nerve{color:#9cc3ff; border-color:#3d5166}
.dg-tree-vessel{color:#e0645f; border-color:#5a4040}
.dg-tree-bundle{color:#7fd4a8; border-color:#3f7a5e}
.dg-diag{color:#c9a34a; border-color:#5a4a20}
.dg-sess{font-size:.7rem; color:var(--muted); border:1px solid var(--line);
  border-radius:5px; padding:2px 6px}
.dg-quiz{color:#eab308; border-color:#5a4a20}
.dg-title{flex:1 1 100%; color:var(--ink); font-size:.88rem; line-height:1.4}
.dg-links{flex:1 1 100%; font-size:.78rem; color:var(--muted)}
.dg-links a{color:var(--accent); text-decoration:none}
.dg-links a:hover{text-decoration:underline}
.wn-diagram{color:#c9a34a; border-color:#5a4a20}


/* ── 회차별 학습(진도 순) ─────────────────────────────────── */
.co-list { list-style: none; margin: 0; padding: 0; }
.co-item { border: 1px solid var(--line, #2a3550); border-radius: 10px; margin: 8px 0;
           overflow: hidden; }
.co-item.is-open { border-color: #6f7dff; }
.co-item.is-exam .co-no { background: #7a2740; }
.co-item.is-done .co-head { opacity: .62; }
.co-head { display: grid; grid-template-columns: 84px 150px 1fr auto; gap: 10px;
           align-items: center; width: 100%; text-align: left; cursor: pointer;
           background: none; border: 0; color: inherit; font: inherit; padding: 11px 12px; }
.co-head:hover { background: rgba(111,125,255,.10); }
.co-no { background: #33407a; color: #dfe6ff; border-radius: 6px; padding: 3px 0;
         text-align: center; font-weight: 700; font-size: .86em; }
.co-date { font-size: .84em; opacity: .78; }
.co-topic { font-size: .92em; }
.co-meta { font-size: .8em; opacity: .7; white-space: nowrap; }
.co-done { font-size: .8em; opacity: .75; padding: 0 12px 8px; display: inline-block; }
.co-body { padding: 4px 14px 16px; border-top: 1px solid var(--line, #2a3550); }
.co-body h4 { margin: 14px 0 6px; font-size: .95em; }
.co-chip { display: inline-block; font-size: .74em; padding: 1px 7px; border-radius: 999px;
           background: #33407a; margin-left: 5px; }
.co-mn table { width: 100%; border-collapse: collapse; font-size: .86em; margin-top: 6px; }
.co-mn td { padding: 4px 6px; border-top: 1px solid var(--line, #2a3550); vertical-align: top; }
.co-qs { padding-left: 20px; }
.co-qs li { margin: 9px 0; }
.co-rev { margin-left: 8px; font-size: .78em; padding: 2px 9px; border-radius: 6px;
          border: 1px solid var(--line, #2a3550); background: none; color: inherit;
          cursor: pointer; }
.co-rev:hover { background: rgba(111,125,255,.16); }
.co-ans { margin: 6px 0 0; padding: 8px 10px; border-left: 3px solid #6f7dff;
          background: rgba(111,125,255,.08); border-radius: 0 8px 8px 0; font-size: .9em; }
.co-ans p { margin: 5px 0 0; opacity: .85; }
@media (max-width: 720px) {
  .co-head { grid-template-columns: 70px 1fr; }
  .co-date, .co-meta { grid-column: 2; }
}

/* 회차별 학습 — 문항 카드(도해 우선) */
.co-q { display: grid; grid-template-columns: 300px 1fr; gap: 14px; align-items: start;
        margin: 14px 0; }
.co-q:not(:has(.co-fig)) { grid-template-columns: 1fr; }
.co-fig { display: block; border: 1px solid var(--line, #2a3550); border-radius: 8px;
          overflow: hidden; background: #0d1424; }
.co-fig img { display: block; width: 100%; height: auto; }
.co-pdfonly { margin-top: 14px; }
.co-pdfonly > summary { cursor: pointer; font-size: .88em; opacity: .78; padding: 6px 0; }
.co-pdfonly[open] > summary { opacity: 1; }
@media (max-width: 720px) { .co-q { grid-template-columns: 1fr; } }

/* ── 오픈데이터 실제 영상 문항(imaging) ─────────────────────────────── */
.imgfig{margin:12px 0; background:#0b1420; border:1px solid var(--line); border-radius:10px; padding:8px; text-align:center}
.imgfig img{display:block; max-width:100%; max-height:70vh; margin:0 auto; border-radius:6px; cursor:zoom-in; background:#fff}
.imgfig figcaption{color:var(--muted); font-size:.82rem; margin-top:6px; text-align:left}
.imgfig .zoomhint{color:#8fb3ff}
.explanation .src a{color:#8fb3ff}
.w .wnote{color:#f0d68a; font-size:.9rem; margin:4px 0}
/* 확대 보기(핀치·드래그) */
.zoom{position:fixed; inset:0; z-index:1000; background:rgba(4,8,14,.96); display:flex; align-items:center; justify-content:center; touch-action:none; overscroll-behavior:contain}
.zoom img{max-width:100vw; max-height:100vh; transform-origin:center center; will-change:transform; user-select:none; -webkit-user-drag:none; background:#fff}
.zoom .zclose{position:fixed; top:10px; right:10px; z-index:1001; font-size:1.2rem; padding:8px 12px; background:rgba(24,37,52,.9)}
.zoom .zhint{position:fixed; bottom:12px; left:0; right:0; text-align:center; color:var(--muted); font-size:.82rem; pointer-events:none}
body.noscroll{overflow:hidden}
/* 동기화 표시 */
.syncrow{justify-content:space-between}
.sync{margin:0}
.sync.ok{color:var(--ok)}
.sync.bad{color:#ffb4b4}
button.small{padding:6px 10px; font-size:.85rem}
.syncopts{margin-top:4px}
.syncopts summary{cursor:pointer; font-size:.85rem}
.syncopts input{width:100%; margin-top:6px; background:#0e1826; color:var(--ink); border:1px solid var(--line); border-radius:8px; padding:8px 10px; font-size:.95rem}
/* PWA 설치 버튼·토스트 */
.pwa-install{position:fixed; right:14px; bottom:14px; z-index:900; background:var(--accent); border-color:var(--accent); color:#fff; font-weight:600; box-shadow:0 6px 20px rgba(0,0,0,.35)}
.pwa-toast{position:fixed; left:50%; bottom:18px; transform:translateX(-50%); z-index:950; display:flex; gap:10px; align-items:center; flex-wrap:wrap;
  background:#182534; border:1px solid var(--accent); border-radius:12px; padding:10px 14px; font-size:.92rem; box-shadow:0 6px 20px rgba(0,0,0,.4);
  width:max-content; max-width:min(92vw, 34rem)}
/* 안내 문장이 버튼에 밀려 한 글자씩 세로로 쪼개지지 않게 — 글은 늘어나고 버튼은 줄바꿈으로 내려간다 */
.pwa-toast>span{flex:1 1 14rem; min-width:0}
/* 안내 토스트와 「앱으로 설치」 버튼이 겹치지 않게 — 버튼이 있을 때만 토스트를 위로 올린다(토스트가 뒤에 붙는다) */
#pwaInstall ~ .pwa-toast{bottom:64px}
.pwa-toast button{padding:6px 10px; font-size:.85rem}
.pwa-toast .x{background:none; border:none; color:var(--muted); font-size:1rem; padding:2px 6px}
/* 좁은 화면(핸드폰) */
@media (max-width: 600px){
  .nav{overflow-x:auto; white-space:nowrap; flex-wrap:nowrap; padding:12px 12px 0; gap:6px; scrollbar-width:none}
  .nav::-webkit-scrollbar{display:none}
  .nav a{padding:7px 11px; font-size:.88rem; flex:none}
  header{padding:18px 14px 6px}
  h1{font-size:1.25rem}
  .card{margin:12px 10px; padding:14px; border-radius:12px}
  select{min-width:0; width:100%}
  .row label{min-width:64px}
  .quiz-nav{flex-wrap:wrap}
  .quiz-nav button{flex:1 1 auto}
  .opt{padding:12px; font-size:.95rem}
  .imgfig img{max-height:60vh}
  .subj{margin-left:0; width:100%}
}

/* ── 깊이 해설(정리본 해설지 규칙): 왜 그런가 — 원리 / 경계는 어디인가 — 비교 ── */
.explanation .expl-item.deep{padding:10px 12px; border-radius:8px; margin:12px 0; line-height:1.7}
.explanation .expl-item.deep .k{display:block; margin:0 0 6px; font-weight:700}
.explanation .expl-item.prin{background:rgba(59,130,246,.10); border-left:4px solid var(--accent)}
.explanation .expl-item.cmpx{background:rgba(34,197,94,.08); border-left:4px solid var(--ok)}
.explanation .expl-item.cmpx .k{color:#9ff0b8}
.deep-body b, .deep-body strong{color:#cfe0ff}
.deep-body table{width:100%; border-collapse:collapse; font-size:.86rem; margin:6px 0 8px; display:block; overflow-x:auto}
.deep-body th, .deep-body td{border:1px solid var(--line); padding:5px 7px; vertical-align:top; text-align:left}
.deep-body th{background:#0b1420; color:#9cc3ff; font-weight:600; white-space:nowrap}
.deep-body tbody tr:nth-child(even) td{background:rgba(255,255,255,.03)}

/* ── 정보를 어떻게 선별했는가(design) — 채점 후에만 그려진다 ── */
.triage{margin:14px 0 4px; padding:10px 12px; border-radius:8px; background:rgba(234,179,8,.07); border-left:4px solid #eab308; line-height:1.65}
.triage-head{font-weight:700; margin-bottom:6px}
.triage-head .tg-target{font-weight:400; font-size:.82rem; color:var(--muted, #9aa4b2); margin-left:6px}
.triage-sum .k{font-weight:700; margin-right:6px}
.triage-more{margin-top:8px}
.triage-more > summary{cursor:pointer; color:#fcd34d; font-size:.9rem}
.triage .tg{margin:8px 0 2px}
.triage .tg-h{font-weight:600; font-size:.9rem}
.triage .tg ul{margin:3px 0 0 1.1em; padding:0}
.triage .tg li{margin:2px 0}
.triage .tg p{margin:3px 0 0}
.triage .tg.key .tg-h{color:#fca5a5}
.triage .tg.ruleout .tg-h{color:#93c5fd}
.triage .tg.mgmt .tg-h{color:#fdba74}
.triage .tg.bg .tg-h{color:#a3a3a3}
.triage .tg.rival .tg-h, .triage .tg.switch .tg-h{color:#c4b5fd}
.triage-rev{margin-top:8px; font-size:.78rem; color:var(--muted, #9aa4b2)}
.triage-rev.ok{color:var(--ok)}
.triage .tg-also{font-size:.78rem; color:var(--muted, #9aa4b2)}

/* ── 오답 뒤 학습 흐름(learn.js) ─────────────────────────── */
.expl-head{margin:14px 0 4px; font-weight:600; color:var(--muted); font-size:.9rem}
.learn{border:1px solid #3b4f6b; border-radius:12px; padding:12px 14px; margin:10px 0; background:#101c2b}
.learn-h{font-weight:700; margin-bottom:6px}
/* 내 답·정답은 위아래로 — 제목 줄 → 보기 글 → 한 줄 띄움(긴 영어 보기가 옆 칸과 뒤엉키지 않게) */
.learn-ab{display:block; margin-bottom:10px}
.learn-ab > div{margin-bottom:12px; line-height:1.55}
.learn-ab > div:last-child{margin-bottom:0}
.learn-ab .k{display:block; margin:0 0 2px; font-weight:600; color:#9cc3ff; font-size:.86rem}
.learn-row .k,.dc-row .k,.cn-goal .k{display:inline-block; min-width:5.5em; font-weight:600; color:#9cc3ff; margin-right:6px; font-size:.86rem}
.learn-ab .mine{color:#ffb4b4}.learn-ab .ans{color:#9be7b3}
.learn-row{margin:5px 0; font-size:.95rem}
.learn-row.split{border-left:3px solid #ff8a80; padding-left:8px}
.learn-sub{font-size:.85rem; color:var(--muted); margin:8px 0 4px}
.distcard{border:1px solid var(--line); border-radius:9px; padding:8px 10px; margin:8px 0; background:#0e1826}
.distcard.chosen{border-color:#ff8a80}
.dc-h{font-weight:600; margin-bottom:4px; font-size:.93rem}
.dc-row{margin:3px 0; font-size:.92rem}
.learn-others summary,.cn-part summary,.cn-deep summary,.dia-text summary{cursor:pointer; color:#8fb3ff; font-size:.92rem; padding:4px 0}
.chip{background:#16212f; color:var(--ink); border:1px solid var(--line); border-radius:16px; padding:4px 10px; margin:3px 4px 3px 0; font-size:.84rem; cursor:pointer}
.chip.on,.chip[aria-pressed=true]{background:rgba(59,130,246,.25); border-color:var(--accent)}
.chip.on::before,.chip[aria-pressed=true]::before{content:"✓ "}
.learn-actions{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px; align-items:center}
.learn-flags{margin-top:12px}
.learn-concept{margin-top:10px}
.concept{border-top:1px dashed var(--line); padding-top:10px}
.cn-title{font-weight:700; font-size:1.05rem}
.cn-meta{font-size:.8rem; color:var(--muted); margin:2px 0 6px}
.badge-warn{color:#e0b34d}.badge-ok{color:var(--ok)}
.cn-sec{font-weight:700; margin:12px 0 4px; font-size:.95rem}
.cn-sum ul{margin:4px 0; padding-left:1.2em}
.cn-body{font-size:.94rem}
.cn-body table{border-collapse:collapse; display:block; overflow-x:auto}
.cn-body td,.cn-body th{border:1px solid var(--line); padding:3px 6px}
.dia-legend{font-size:.8rem; color:var(--muted); margin-bottom:6px}
.dia-box{overflow-x:auto; border:1px solid var(--line); border-radius:8px; background:#0e1826; cursor:zoom-in}
.dia-box.dia-fail{cursor:default; padding:10px; color:#e0b34d}
.dia-svg{display:block; max-width:100%; height:auto; margin:0 auto}
.dia-svg .d-bg{fill:#0e1826}
.dia-svg .d-edge{stroke:#7f8fa6; stroke-width:1.4}
.dia-svg .d-edge.off{stroke-dasharray:5 4}
.dia-svg .d-edge.on{stroke:#7cb8ff; stroke-width:3.2}
.dia-svg .d-arrow{fill:#7f8fa6}.dia-svg .d-arrow-path{fill:#7cb8ff}
.dia-svg .d-node{fill:#16212f; stroke:#7f8fa6; stroke-width:1.2}
.dia-svg .k-decision{fill:#2a2412}.dia-svg .k-info{fill:#141f36}.dia-svg .k-alert{fill:#321417}.dia-svg .k-end{fill:#11281c}
.dia-svg .d-node.st{stroke:#7cb8ff; stroke-width:3}
.dia-svg .st-unknown,.dia-svg .st-not_done{stroke-dasharray:6 3}
.dia-svg .d-node.split{stroke:#ff8a80; stroke-width:3}
.dia-svg .d-sub{fill:#a9b6c6}.dia-svg .d-txt{fill:#e6edf5}.dia-svg .b{font-weight:700}
.dia-svg .d-lab{fill:#0e1826; stroke:#7f8fa6; stroke-width:.6}
.dia-hint{font-size:.78rem}
.steps{padding-left:1.4em; font-size:.92rem}
.steps li{margin:4px 0}
.st-mark{font-size:.78rem; color:#9cc3ff}
.st-note{font-size:.85rem; color:#e0b34d}
.crit{border:1px solid var(--line); border-radius:8px; padding:6px 9px; margin:6px 0}
.crit-h{font-weight:600}
.ck{border-left:3px solid var(--tag); padding:4px 8px; margin:8px 0}
.ck-a{margin-top:6px; font-size:.93rem}
.ck-self{margin-top:4px; font-size:.85rem; color:var(--muted)}
.var{margin:8px 0}
.cn-memo{width:100%; background:#0e1826; color:var(--ink); border:1px solid var(--line); border-radius:8px; padding:6px; font:inherit}
.small{font-size:.82rem}
.rv{border:1px solid var(--line); border-radius:10px; padding:8px 10px; margin:8px 0}
.rv-h{font-weight:600}
.rv-st{font-size:.78rem; border-radius:6px; padding:1px 6px; margin-right:4px; border:1px solid var(--line)}
.rv-st.st-need{color:#ffb4b4; border-color:#7a2e2e}
.rv-st.st-doing{color:#e0b34d; border-color:#7a5a2e}
.rv-st.st-done{color:#9be7b3; border-color:#2e7a4a}
.rv-filter{margin:6px 0}
.filebtn{position:relative; overflow:hidden; display:inline-block; border:1px solid var(--line); border-radius:8px; padding:7px 12px; cursor:pointer; font-size:.92rem}
.filebtn input{position:absolute; inset:0; opacity:0; cursor:pointer}

/* 제목 라벨(함정·학습목표·근거·출처·결정적 차이 등) 뒤의 설명은 다음 줄에서 시작한다 — 2026-09-19 사용자 요청 */
.explanation .expl-item > .k,.appendix .item > .k,.triage-sum > .k,
.learn-row > .k,.dc-row > .k,.cn-goal > .k{display:block; min-width:0; margin:0 0 3px}
.learn-row,.dc-row{margin:8px 0}

/* 원리·비교 해설: 문단 사이를 띄우고, (1)·(2)… 나열 항목은 줄마다 — 2026-09-19 */
.deep-body .dp{margin:0 0 10px}
.deep-body .dp:last-child{margin-bottom:0}
.explanation .enum{font-weight:700; color:#8fb3ff; margin-right:2px; display:inline-block; margin-top:.35em}

/* 좁은 화면(핸드폰): 검사 소견 표를 줄 단위로 편다 — 3열 고정이면 첫 칸이 글자 단위로 쪼개진다.
   글씨를 줄이는 대신 폭을 다 쓰게 한다(2026-09-20 사용자 요청). */
@media (max-width: 600px){
  .db-labs, .db-labs tbody, .db-labs tr, .db-labs td{display:block; width:auto}
  .db-labs thead{display:none}
  .db-labs tr{padding:7px 0; border-bottom:1px solid #16202e}
  .db-labs tr:last-child{border-bottom:none}
  .db-labs td{padding:0; border:none; line-height:1.45}
  .db-labs td:first-child{color:#9cc3ff; font-weight:600; font-size:.84rem}
  .db-labs td:nth-child(2){font-size:.95rem}
  .db-labs td.ref{color:var(--muted); font-size:.8rem; white-space:normal}
  .db-labs td.ref:not(:empty)::before{content:"참고치 "}
  .db-labs td.ref:empty{display:none}
  /* 부록 가이드라인: 고정폭 글꼴은 한글이 띄엄띄엄 보인다 — 좁은 화면에서는 본문 글꼴로 */
  .guide-table{font-family:inherit; font-size:.86rem; line-height:1.5; padding:10px}
  .databox{padding:10px 12px}
}

/* 한글은 낱말 단위로 줄을 바꾼다 — 「시간 단/위」처럼 낱말 중간에서 잘리지 않게(2026-09-20 사용자 요청).
   긴 영문·URL 은 그대로 두면 넘치므로 필요할 때만 끊는다. */
body{word-break:keep-all; overflow-wrap:break-word}
.vignette,.question,.opt,.explanation,.learn,.concept,.cn-body{text-wrap:pretty}

/* 좁은 화면: 여백을 줄여 한 줄에 들어가는 글자를 늘리고, 줄 간격을 넓혀 읽기 쉽게 */
@media (max-width: 600px){
  .card{margin:10px 8px; padding:12px}
  .vignette{padding:12px; line-height:1.62}
  .question{font-size:1.02rem; line-height:1.52; margin:14px 0 10px}
  .opt{padding:11px 12px}
  .explanation{padding:12px}
  .explanation .expl-item{margin:12px 0; line-height:1.62}
  .deep-body .dp{margin-bottom:12px}
}