/* 한국사 심화 학습 페이지 공용 스타일 — 대시보드 디자인 시스템과 동일 토큰 */
:root{
  --bg:#0a0a0a; --bg2:#141414; --bg3:#1a1a1a;
  --border:#2d2d2d; --border2:#262626;
  --cyan:#f8e18e; --gold:#d4a843; --blue:#38bdf8;
  --text:#f4f4f5; --muted:#9f9f9f; --muted2:#5f5f5f;
  --green:#22c55e; --red:#ef4444;
  --max:820px;
  /* 테마 파생 토큰 — index.html과 같은 이름·같은 값 (라이트에서 함께 뒤집힌다) */
  --ac-rgb:248,225,142;
  --blue-rgb:56,189,248;
  --on-accent:#0a0a0a;
  --nav-bg:rgba(10,10,10,.94);
  --tag-bg:rgba(255,255,255,.04); --tag-ink:#cfcfcf;
  color-scheme:dark;
}
/* ── 라이트 테마 — 한지 화이트 + 딥 골드 (토글은 study.js가 nav에 주입, localStorage khs.theme) ── */
:root[data-theme="light"]{
  --bg:#f7f4ec; --bg2:#fffdf7; --bg3:#efeadd;
  --border:#d9d1bc; --border2:#e3dcca;
  --cyan:#8a6a1c; --gold:#9a7b23; --blue:#0e7490;
  --text:#241f15; --muted:#655d4c; --muted2:#958c75;
  --green:#15803d; --red:#dc2626;
  --ac-rgb:150,117,32;
  --blue-rgb:14,116,144;
  --on-accent:#fffdf7;
  --nav-bg:rgba(247,244,236,.95);
  --tag-bg:rgba(36,31,21,.04); --tag-ink:#5d5647;
  color-scheme:light;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Noto Sans KR',sans-serif;
  line-height:1.6;word-break:keep-all}
::selection{background:rgba(var(--ac-rgb),.25)}

/* NAV */
/* 배경(--nav-bg)을 거의 불투명하게 하고, 골드 헤어라인 + 그림자로 본문과 시각적으로 분리한다 */
nav{position:sticky;top:0;z-index:100;background:var(--nav-bg);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(var(--ac-rgb),.18);
  box-shadow:0 4px 18px rgba(0,0,0,.32);padding:0 20px}
.nav-inner{max-width:var(--max);margin:0 auto;display:flex;align-items:center;gap:2px;
  height:54px;overflow-x:auto;scrollbar-width:none}
.nav-inner::-webkit-scrollbar{display:none}
.nav-brand{font-family:'DM Mono','Noto Sans KR',monospace;font-size:14px;font-weight:500;letter-spacing:.2em;
  color:var(--text);text-decoration:none;margin-right:14px;flex-shrink:0}
.nav-brand em{font-style:normal;color:var(--cyan)}
.nav-inner a:not(.nav-brand){font-family:'DM Mono','Noto Sans KR',monospace;font-size:12px;letter-spacing:.1em;
  color:var(--muted);text-decoration:none;padding:6px 10px;border-radius:6px;
  white-space:nowrap;transition:all .2s}
.nav-inner a:not(.nav-brand):hover{color:var(--cyan);background:rgba(var(--ac-rgb),.06)}
.nav-inner a.active{color:var(--cyan);background:rgba(var(--ac-rgb),.08)}
/* 다크/라이트 스위치 (study.js가 nav에 주입) — 노브 위치는 :root[data-theme]가 직접 구동 */
.theme-switch{position:relative;width:56px;height:28px;flex-shrink:0;cursor:pointer;padding:0;
  margin-left:auto;border:1px solid rgba(var(--ac-rgb),.55);border-radius:999px;
  background:rgba(var(--ac-rgb),.1);transition:border-color .25s,background .25s}
.theme-switch:hover{border-color:var(--cyan);background:rgba(var(--ac-rgb),.16)}
.theme-switch .ts-icon{position:absolute;top:50%;translate:0 -50%;font-size:13px;line-height:1;
  transition:opacity .25s;pointer-events:none}
.theme-switch .ts-icon.moon{left:8px}
.theme-switch .ts-icon.sun{right:7px;opacity:.35}
.theme-switch .ts-knob{position:absolute;top:2px;left:2px;width:22px;height:22px;border-radius:50%;
  background:linear-gradient(135deg,var(--cyan),var(--gold));
  box-shadow:0 0 10px rgba(var(--ac-rgb),.55);transition:left .28s cubic-bezier(.4,0,.2,1)}
:root[data-theme="light"] .theme-switch .ts-knob{left:30px}
:root[data-theme="light"] .theme-switch .ts-icon.sun{opacity:1}
:root[data-theme="light"] .theme-switch .ts-icon.moon{opacity:.35}

/* KO/EN 토글 (study.js가 nav에 주입 — docs/EN.md §1) — index.html의 .lang-btn과 동일 계열 */
.lang-toggle{display:flex;gap:2px;flex-shrink:0;margin-left:auto}
.lang-toggle~.theme-switch{margin-left:10px}
/* 우측 컨트롤 묶음(study.js 주입: 계정·언어·테마) — 모바일 가로스크롤 nav에서 상시 노출(가로 sticky) */
.nav-right{display:flex;align-items:center;flex-shrink:0;margin-left:auto;
  position:sticky;right:0;z-index:2;background:var(--nav-bg);padding-left:8px}
.nav-right .lang-toggle{margin-left:0}
/* legal 등 마크업에 .lang-toggle이 직접 놓인 페이지도 동일하게 고정 */
.nav-inner>.lang-toggle{position:sticky;right:0;z-index:2;background:var(--nav-bg);padding-left:8px}
.lang-btn{font-family:'DM Mono','Noto Sans KR',monospace;font-size:12px;font-weight:500;
  letter-spacing:.12em;color:var(--muted);background:transparent;border:1px solid transparent;
  border-radius:6px;padding:5px 10px;cursor:pointer;transition:all .2s;white-space:nowrap}
.lang-btn:hover{color:var(--cyan);border-color:rgba(var(--ac-rgb),.3)}
.lang-btn.active{color:var(--cyan);border-color:rgba(var(--ac-rgb),.4);background:rgba(var(--ac-rgb),.08)}

/* ── 단원 소단원 드롭다운 (study.js 주입 · body 직속 고정 패널 — .nav-inner의 overflow-x 클리핑 회피) ── */
/* sticky nav(54px)에 헤딩이 가려지지 않도록 앵커 착지 여백 */
main>.sub{scroll-margin-top:70px}
.nav-dd{position:fixed;z-index:120;min-width:250px;max-width:320px;
  max-height:min(60vh,480px);overflow-y:auto;padding:8px;
  background:var(--bg2);border:1px solid var(--border);border-radius:12px;
  box-shadow:0 12px 32px rgba(0,0,0,.35)}
.nav-dd[hidden]{display:none}
/* 링크와 패널 사이 6px 틈을 히트 영역으로 브릿지 (포인터 이동 중 닫힘 방지) */
.nav-dd::before{content:"";position:absolute;top:-8px;left:0;right:0;height:8px}
.nav-dd-head{font-family:'DM Mono','Noto Sans KR',monospace;font-size:10px;
  letter-spacing:.2em;text-transform:uppercase;color:var(--gold);
  padding:4px 8px 8px;border-bottom:1px solid var(--border2);margin-bottom:4px}
.nav-dd-item{display:flex;align-items:center;gap:8px;padding:7px 8px;border-radius:8px;
  text-decoration:none;color:var(--muted);font-size:13px;line-height:1.4;word-break:keep-all;
  transition:background .15s,color .15s}
.nav-dd-item:hover,.nav-dd-item:focus-visible{background:rgba(var(--ac-rgb),.07);color:var(--text);outline:none}
.nav-dd-item.is-cur{background:rgba(var(--ac-rgb),.08)}
.dd-mark{flex-shrink:0;font-size:11px;width:14px;text-align:center;line-height:1}
.dd-mark.read{color:var(--green)}
.dd-mark.cur{color:var(--cyan)}
.dd-mark.todo{color:var(--muted2)}
.dd-num{flex-shrink:0;font-family:'DM Mono','Noto Sans KR',monospace;font-size:11px;
  color:var(--muted2);min-width:15px;text-align:right}
.dd-t{flex:1}
.nav-dd-foot{display:flex;align-items:center;gap:10px;padding:8px 8px 4px;margin-top:4px;
  border-top:1px solid var(--border2)}
.dd-bar{flex:1;height:4px;border-radius:999px;background:var(--bg3);overflow:hidden}
.dd-bar>i{display:block;height:100%;border-radius:999px;
  background:linear-gradient(90deg,var(--cyan),var(--gold))}
.dd-quiz{font-family:'DM Mono','Noto Sans KR',monospace;font-size:10px;
  letter-spacing:.08em;color:var(--muted2);flex-shrink:0}
/* 이어보기 칩 — 학습 재개 1클릭 (모든 기기, 터치 포함). .present-btn 골드 아웃라인 계열 */
.resume-chip{display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-family:'Noto Sans KR',sans-serif;font-size:13px;letter-spacing:.01em;
  color:var(--cyan);background:rgba(var(--ac-rgb),.1);
  border:1px solid rgba(var(--ac-rgb),.4);border-radius:999px;padding:8px 16px;
  cursor:pointer;transition:background .2s,border-color .2s}
.resume-chip:hover{background:rgba(var(--ac-rgb),.18);border-color:var(--cyan)}
@media (prefers-reduced-motion: no-preference){
  .nav-dd:not([hidden]){animation:ddIn .16s ease}
  @keyframes ddIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
  .dd-mark.cur{animation:ddPulse 1.6s ease-in-out infinite}
  @keyframes ddPulse{0%,100%{opacity:1}50%{opacity:.4}}
}

/* UNIT HERO */
.unit-hero{max-width:var(--max);margin:0 auto;padding:64px 20px 40px}
.unit-num{font-family:'DM Mono','Noto Sans KR',monospace;font-size:10px;letter-spacing:.28em;
  color:var(--gold);text-transform:uppercase;margin-bottom:10px}
.unit-hero h1{font-size:clamp(1.7rem,5vw,2.5rem);font-weight:900;letter-spacing:-.02em;
  margin-bottom:8px}
.unit-range{font-family:'DM Mono','Noto Sans KR',monospace;font-size:.8rem;color:var(--muted);margin-bottom:16px}
.unit-goal{background:var(--bg2);border:1px solid var(--border2);border-left:3px solid var(--gold);
  border-radius:12px;padding:14px 18px;font-size:.86rem;color:var(--muted);line-height:1.8}
.unit-goal strong{color:var(--cyan);font-weight:600}

/* SUBSECTION */
main{max-width:var(--max);margin:0 auto;padding:0 20px 60px}
.sub{margin-bottom:48px}
.sub>h2{display:flex;align-items:center;gap:12px;font-size:1.25rem;font-weight:800;
  margin-bottom:16px;padding-top:24px}
.sub>h2 span{font-family:'DM Mono','Noto Sans KR',monospace;font-size:.8rem;font-weight:500;color:var(--on-accent);
  background:linear-gradient(135deg,var(--cyan),var(--gold));width:28px;height:28px;
  border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sub p{font-size:.9rem;color:var(--muted);line-height:1.9;margin-bottom:14px}
.sub strong{color:var(--text);font-weight:600}
.sub em{font-style:normal;color:var(--cyan)}

/* FACT LIST */
.facts{list-style:none;display:flex;flex-direction:column;gap:10px;margin:0 0 16px}
.facts li{padding-left:16px;position:relative;font-size:.88rem;color:var(--muted);line-height:1.85}
.facts li::before{content:'›';position:absolute;left:0;color:var(--gold);font-weight:700}

/* COMPARE TABLE */
.cmp-wrap{overflow-x:auto;margin-bottom:16px}
.cmp{width:100%;border-collapse:collapse;background:var(--bg2);border:1px solid var(--border2);
  border-radius:12px;overflow:hidden;font-size:.83rem}
.cmp th{font-family:'DM Mono','Noto Sans KR',monospace;font-size:10px;letter-spacing:.12em;color:var(--gold);
  text-transform:uppercase;background:var(--bg3);padding:10px 14px;text-align:left;
  border-bottom:1px solid var(--border2);white-space:nowrap}
.cmp td{padding:10px 14px;border-bottom:1px solid var(--border2);color:var(--muted);
  vertical-align:top;line-height:1.7}
.cmp tr:last-child td{border-bottom:none}
/* 첫 칼럼 nowrap 금지 — EN 제도명이 길어 칼럼을 독식한다. 폭 상한 + keep-all 줄바꿈으로 나머지 칼럼을 살린다 */
.cmp td:first-child{color:var(--text);font-weight:600;word-break:keep-all;min-width:110px}
.cmp th:first-child{width:24%}

/* EXAM BOX */
.exam{background:rgba(var(--ac-rgb),.05);border:1px solid rgba(var(--ac-rgb),.25);
  border-radius:14px;padding:16px 20px;margin:18px 0}
.exam h4{font-family:'DM Mono','Noto Sans KR',monospace;font-size:10px;letter-spacing:.2em;color:var(--cyan);
  text-transform:uppercase;margin-bottom:10px}
.exam ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.exam li{padding-left:20px;position:relative;font-size:.85rem;color:var(--muted);line-height:1.8}
.exam li::before{content:'✓';position:absolute;left:0;color:var(--gold);font-weight:700}

/* TIMELINE STRIP */
.strip{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.strip span{font-size:.76rem;padding:4px 12px;border-radius:20px;
  background:var(--tag-bg);border:1px solid var(--border);color:var(--tag-ink);
  font-family:'DM Mono','Noto Sans KR',monospace}
.strip span.hl{background:rgba(var(--ac-rgb),.08);border-color:rgba(var(--ac-rgb),.3);color:var(--cyan)}

/* KEYWORD CHIPS */
.kw{display:inline-block;font-size:.78rem;padding:2px 10px;border-radius:14px;margin:0 2px;
  background:rgba(var(--blue-rgb),.08);border:1px solid rgba(var(--blue-rgb),.25);color:var(--blue)}

/* FOOTER NAV */
.unit-footer{max-width:var(--max);margin:0 auto;padding:24px 20px 60px;
  display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--border2)}
.unit-footer a{font-family:'DM Mono','Noto Sans KR',monospace;font-size:11px;letter-spacing:.08em;
  color:var(--muted);text-decoration:none;padding:12px 20px;border:1px solid var(--border);
  border-radius:999px;transition:all .2s;max-width:48%}
.unit-footer a:hover{color:var(--cyan);border-color:rgba(var(--ac-rgb),.5)}

footer.credit{text-align:center;padding:30px 20px;border-top:1px solid var(--border2);
  font-family:'DM Mono','Noto Sans KR',monospace;font-size:9.5px;letter-spacing:.15em;color:var(--muted2)}

@media (max-width:560px){
  .unit-footer{flex-direction:column}
  .unit-footer a{max-width:100%;text-align:center}
}

/* ── FX: 동적 레이어 (장식 — prefers-reduced-motion·JS 부재 시 자동 비활성) ── */
@view-transition{navigation:auto}
#scrollfx{position:fixed;top:0;left:0;width:100%;height:2px;z-index:300;pointer-events:none;
  background:linear-gradient(90deg,var(--gold),var(--cyan));transform-origin:0 50%;
  transform:scaleX(var(--sp,0));box-shadow:0 0 12px rgba(var(--ac-rgb),.45)}
@media (prefers-reduced-motion: no-preference){
  body.fx-ready main>.sub{opacity:0;transform:translateY(16px);
    transition:opacity .55s ease,transform .55s ease}
  body.fx-ready main>.sub.in{opacity:1;transform:none}
  .qz-opt.correct{animation:okPulse .55s ease}
  @keyframes okPulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.45)}100%{box-shadow:0 0 0 16px rgba(34,197,94,0)}}
  .qz-opt.wrong{animation:shake .38s ease}
  @keyframes shake{0%,100%{transform:none}25%{transform:translateX(-5px)}55%{transform:translateX(4px)}80%{transform:translateX(-2px)}}
  .meter-fill{animation:meterGrow .9s cubic-bezier(.2,.7,.3,1)}
  @keyframes meterGrow{from{width:0}}
  .ps-stage>*{animation:psIn .4s ease both}
  .ps-stage>*:nth-child(2){animation-delay:.06s}
  @keyframes psIn{from{opacity:0;transform:translateY(16px)}}
  .mock-result{animation:psIn .5s ease both}
}

/* ── 모의고사 + 오답노트 (study/mock.html) ── */
.mock-setup{background:var(--bg2);border:1px solid var(--border2);border-radius:16px;
  padding:24px 26px;display:flex;flex-direction:column;gap:16px}
.mock-opt-group{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.mock-opt-label{font-family:'DM Mono','Noto Sans KR',monospace;font-size:10px;letter-spacing:.2em;
  color:var(--gold);text-transform:uppercase;flex:0 0 76px}
.mock-opt-group label{font-size:.88rem;color:var(--muted);cursor:pointer;display:flex;
  align-items:center;gap:7px}
.mock-opt-group input{accent-color:var(--gold);cursor:pointer}
.mock-setup .present-btn{margin-top:4px;align-self:flex-start}
.mock-note{font-size:.78rem;color:var(--muted2);line-height:1.7}
.mock-result{background:var(--bg2);border:1px solid rgba(var(--ac-rgb),.3);border-radius:16px;
  padding:26px 28px;margin-top:28px}
.mock-score{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.mock-pct{font-size:2.2rem;font-weight:900;color:var(--cyan)}
.mock-grade{font-family:'DM Mono','Noto Sans KR',monospace;font-size:13px;color:var(--on-accent);font-weight:500;
  background:linear-gradient(135deg,var(--cyan),var(--gold));border-radius:999px;padding:6px 16px}
.mock-detail{font-size:.8rem;color:var(--muted2)}
.mock-meters{display:flex;flex-direction:column;gap:9px;margin-bottom:20px}
.meter-row{display:flex;align-items:center;gap:12px}
.meter-label{font-size:.8rem;color:var(--muted);flex:0 0 96px;text-align:right}
.meter-track{flex:1;height:8px;border-radius:4px;background:var(--bg3);overflow:hidden}
.meter-fill{display:block;height:100%;border-radius:4px;
  background:linear-gradient(90deg,var(--gold),var(--cyan))}
.meter-val{font-family:'DM Mono','Noto Sans KR',monospace;font-size:11px;color:var(--muted2);flex:0 0 44px}
.wrong-empty{font-size:.85rem;color:var(--muted2);padding:14px 0}
.wrong-item{background:var(--bg2);border:1px solid var(--border2);border-radius:14px;
  padding:18px 20px;margin-bottom:14px}
.wrong-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.wrong-era{font-family:'DM Mono','Noto Sans KR',monospace;font-size:10px;letter-spacing:.1em;color:var(--gold);
  border:1px solid rgba(var(--ac-rgb),.3);border-radius:999px;padding:3px 10px}
.wrong-count{font-family:'DM Mono','Noto Sans KR',monospace;font-size:10px;color:var(--red)}
.wrong-del{margin-left:auto;background:none;border:none;color:var(--muted2);cursor:pointer;
  font-size:13px;padding:4px}
.wrong-del:hover{color:var(--red)}
.wrong-stem{font-size:.9rem;font-weight:600;line-height:1.75;margin-bottom:10px}
.wrong-ans{font-size:.85rem;color:var(--green);margin:10px 0 8px}
.wrong-exp{font-size:.83rem;color:var(--muted);line-height:1.8;border-top:1px dashed var(--border);
  padding-top:10px}
#wrongQuiz{margin-top:24px}

/* ── 발표 슬라이드 모드 (study.js가 DOM 주입) ── */
.present-btn{font-family:'DM Mono','Noto Sans KR',monospace;font-size:11px;letter-spacing:.06em;
  color:var(--on-accent);font-weight:500;background:linear-gradient(135deg,var(--cyan),var(--gold));
  border:none;border-radius:999px;padding:10px 20px;margin-top:18px;cursor:pointer;
  transition:box-shadow .25s,transform .25s}
.present-btn:hover{box-shadow:0 0 22px rgba(var(--ac-rgb),.35);transform:translateY(-1px)}
.ps-overlay{display:none;position:fixed;inset:0;z-index:1000;background:var(--bg)}
.ps-overlay.on{display:block}
body.presenting{overflow:hidden}
.ps-stage{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  max-width:920px;margin:0 auto;padding:56px 48px 72px;overflow-y:auto;zoom:1.18}
/* .sub 밖으로 이동한 노드의 스타일 미러 */
.ps-stage h2{display:flex;align-items:center;gap:12px;font-size:1.5rem;font-weight:800;margin-bottom:18px}
.ps-stage h2 span{font-family:'DM Mono','Noto Sans KR',monospace;font-size:.8rem;font-weight:500;color:var(--on-accent);
  background:linear-gradient(135deg,var(--cyan),var(--gold));width:28px;height:28px;
  border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ps-stage p{font-size:.95rem;color:var(--muted);line-height:1.9;margin-bottom:14px}
.ps-stage strong{color:var(--text);font-weight:600}
.ps-stage em{font-style:normal;color:var(--cyan)}
.ps-kicker{font-family:'DM Mono','Noto Sans KR',monospace;font-size:12px;letter-spacing:.14em;
  color:var(--cyan);margin-bottom:20px}
.ps-cover{text-align:center}
.ps-cover-num{font-family:'DM Mono','Noto Sans KR',monospace;font-size:11px;letter-spacing:.28em;
  color:var(--gold);text-transform:uppercase;margin-bottom:18px}
.ps-cover h1{font-size:2.6rem;font-weight:900;letter-spacing:-.02em;margin-bottom:14px}
.ps-cover-range{font-family:'DM Mono','Noto Sans KR',monospace;font-size:.85rem;color:var(--muted)}
.ps-hud{position:fixed;left:22px;bottom:18px;z-index:1001;display:flex;gap:16px;align-items:baseline;
  font-family:'DM Mono','Noto Sans KR',monospace;font-size:11px;color:var(--muted2)}
.ps-progress{color:var(--cyan);letter-spacing:.08em}
.ps-close{position:fixed;top:18px;right:22px;z-index:1001;width:38px;height:38px;border-radius:50%;
  background:var(--bg2);border:1px solid var(--border);color:var(--muted);font-size:14px;cursor:pointer}
.ps-close:hover{color:var(--cyan);border-color:rgba(var(--ac-rgb),.4)}
.ps-nav{position:fixed;top:50%;transform:translateY(-50%);z-index:1001;width:44px;height:44px;
  border-radius:50%;background:var(--bg2);border:1px solid var(--border);color:var(--muted);
  font-size:16px;cursor:pointer;transition:all .2s}
.ps-nav:hover{color:var(--cyan);border-color:rgba(var(--ac-rgb),.4)}
.ps-prev{left:18px}
.ps-next{right:18px}
@media (max-width:700px){.ps-nav{display:none}.ps-stage{padding:40px 22px 64px;zoom:1}}

/* 인쇄: 발표 중 = 슬라이드당 1페이지 (라이트 지면 대비 색 보정) */
.ps-print{display:none}
@media print{
  body.presenting>*:not(.ps-overlay){display:none!important}
  body.presenting{overflow:visible}
  .ps-overlay.on{position:static;background:none}
  .ps-stage,.ps-hud,.ps-close,.ps-nav{display:none!important}
  .ps-print{display:block}
  .ps-slide{page-break-after:always;break-after:page;padding:24px 8px}
  .ps-slide,.ps-slide p,.ps-slide li,.ps-slide td{color:#333!important}
  .ps-slide strong,.ps-slide h1,.ps-slide h2,.ps-slide td:first-child{color:#000!important}
  .ps-slide em,.ps-slide .ps-kicker,.ps-slide .ps-cover-num{color:#8a6d1f!important}
  .ps-slide .exam,.ps-slide .cmp,.ps-slide .cmp th,.ps-slide .qz,.ps-slide .qz-box,
  .ps-slide .qz-opt,.ps-slide .strip span{background:none!important;border-color:#bbb!important;color:#333!important}
  .ps-slide .cmp th,.ps-slide .exam h4{color:#8a6d1f!important}
  .ps-slide .qz-exp{display:block!important;border-color:#bbb!important;color:#333!important;background:none!important}
  .ps-slide h2 span{background:none!important;border:1px solid #8a6d1f;color:#8a6d1f!important}
}

/* QUIZ */
.qz-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}
#qzScore{font-family:'DM Mono','Noto Sans KR',monospace;font-size:12px;letter-spacing:.06em;color:var(--muted);
  background:var(--bg2);border:1px solid var(--border2);border-radius:999px;padding:8px 18px}
#qzScore.finished{color:var(--cyan);border-color:rgba(var(--ac-rgb),.4)}
#qzScore.perfect{color:var(--on-accent);background:linear-gradient(135deg,var(--cyan),var(--gold));border-color:transparent;font-weight:500}
.qz-reset{font-family:'DM Mono','Noto Sans KR',monospace;font-size:11px;letter-spacing:.06em;color:var(--muted);
  background:none;border:1px solid var(--border);border-radius:999px;padding:8px 16px;cursor:pointer;transition:all .2s}
.qz-reset:hover{color:var(--cyan);border-color:rgba(var(--ac-rgb),.4)}
.qz{background:var(--bg2);border:1px solid var(--border2);border-radius:16px;
  padding:20px 22px;margin-bottom:14px}
.qz-q{font-size:.92rem;font-weight:600;color:var(--text);line-height:1.75;margin-bottom:14px}
.qz-q .qz-num{font-family:'DM Mono','Noto Sans KR',monospace;font-size:.75rem;color:var(--gold);margin-right:8px}
.qz-box{background:var(--bg3);border:1px dashed var(--border);border-radius:10px;
  padding:12px 16px;margin-bottom:14px;font-size:.85rem;color:var(--muted);line-height:1.8}
.qz-opt{display:block;width:100%;text-align:left;font:inherit;font-size:.86rem;color:var(--muted);
  background:var(--bg3);border:1px solid var(--border2);border-radius:10px;
  padding:10px 14px;margin-bottom:7px;cursor:pointer;transition:all .18s;line-height:1.7}
.qz:not(.done) .qz-opt:hover{border-color:rgba(var(--ac-rgb),.4);color:var(--text)}
.qz.done .qz-opt{cursor:default;opacity:.55}
.qz-opt.correct{opacity:1!important;color:var(--green);border-color:rgba(34,197,94,.5);
  background:rgba(34,197,94,.08);font-weight:600}
.qz-opt.wrong{opacity:1!important;color:var(--red);border-color:rgba(239,68,68,.5);
  background:rgba(239,68,68,.07);text-decoration:line-through}
.qz-exp{display:none;margin-top:12px;padding:14px 16px;border-radius:10px;
  background:rgba(var(--ac-rgb),.05);border:1px solid rgba(var(--ac-rgb),.2);
  font-size:.83rem;color:var(--muted);line-height:1.85}
.qz-exp::before{content:'해설 · ';font-family:'DM Mono','Noto Sans KR',monospace;font-size:10px;
  letter-spacing:.15em;color:var(--cyan)}
.qz-exp strong{color:var(--text)}

/* 유물 이미지 (source/heritage/ — 출처·라이선스는 IMAGES.md 대장 참조) */
.fig-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0 6px}
.fig-row figure{margin:0;background:var(--bg2);border:1px solid var(--border2);
  border-radius:12px;overflow:hidden}
/* 유물 이미지는 절대 잘리지 않게 contain — 세로는 세로로, 가로는 가로로 원본 방향 그대로 표시(여백은 figure 배경이 매트로 채움) */
.fig-row img{display:block;width:100%;height:150px;object-fit:contain}
.fig-row.two{grid-template-columns:repeat(2,1fr)}
.fig-row.solo{grid-template-columns:minmax(0,420px);justify-content:center}
.fig-row.solo img,.fig-row.two img{height:210px}
.fig-row figcaption{padding:9px 12px;font-family:'DM Mono','Noto Sans KR',monospace;font-size:10px;
  letter-spacing:.05em;color:var(--muted);line-height:1.6}
.fig-row figcaption b{display:block;font-family:'Noto Sans KR',sans-serif;font-size:.78rem;
  font-weight:600;letter-spacing:0;color:var(--text);margin-bottom:2px}
.fig-credit{font-family:'DM Mono','Noto Sans KR',monospace;font-size:9.5px;letter-spacing:.04em;
  color:var(--muted);text-align:right;margin-bottom:14px}
@media (max-width:640px){.fig-row,.fig-row.two,.fig-row.solo{grid-template-columns:1fr}.fig-row img,.fig-row.two img,.fig-row.solo img{height:200px}}
/* 세로(초상형) 이미지가 있는 행은 study.js가 .has-portrait를 부여 → 어진·초상이 세로로 넉넉히 보이도록 행 높이를 키운다 */
.fig-row.has-portrait img{height:300px}
@media (max-width:640px){.fig-row.has-portrait img{height:280px}}

/* 퀴즈 자료 이미지 (문항 자료 제시형 — 유물 전체가 보이도록 contain) */
.qz-fig{margin:12px 0;text-align:center}
.qz-fig img{max-width:min(360px,100%);max-height:280px;object-fit:contain;
  border:1px solid var(--border2);border-radius:12px;background:var(--bg2)}
.qz-fig figcaption{font-family:'DM Mono','Noto Sans KR',monospace;font-size:9.5px;
  letter-spacing:.04em;color:var(--muted);margin-top:5px}