/* 경제저널리즘 2026-2 · 주차별 강의자료 공통 스타일 */
/* ============ 토큰 ============ */
:root{
  --navy:#0d2244;
  --blue:#1a4b8c;
  --blue-mid:#2f6bb5;
  --blue-pale:#e8eef5;
  --border:#c8d6e5;
  --bg-soft:#f4f7fb;
  --paper:#ffffff;
  --ink:#1c2634;
  --ink-soft:#5a6779;
  --ink-faint:#8492a6;
  --amber:#b45309;
  --amber-bg:#fdf6ec;
  --amber-bd:#e9c893;
  --teal:#0f766e;
  --teal-bg:#eefaf7;
  --teal-bd:#a5d9d1;
  --rose:#a4303f;
  --rose-bg:#fdf1f2;
  --rose-bd:#e8b9be;
  --sidebar-w:290px;
  --maxw:820px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic","맑은 고딕",system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  font-size:16.5px;
  line-height:1.78;
  -webkit-text-size-adjust:100%;
  word-break:keep-all;
  overflow-wrap:break-word;
}

/* ============ 레이아웃 ============ */
.layout{display:flex;align-items:flex-start}

#sidebar{
  width:var(--sidebar-w);
  flex:0 0 var(--sidebar-w);
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
  background:var(--navy);
  color:#dbe5f2;
  padding:26px 0 40px;
}
#sidebar::-webkit-scrollbar{width:7px}
#sidebar::-webkit-scrollbar-thumb{background:#2c4a76;border-radius:4px}
.sb-brand{padding:0 22px 18px;border-bottom:1px solid rgba(255,255,255,.14);margin-bottom:14px}
.sb-course{font-size:11.5px;letter-spacing:.14em;color:#7fa7d6;font-weight:700;text-transform:uppercase}
.sb-title{font-size:19px;font-weight:800;color:#fff;line-height:1.4;margin-top:8px}
.sb-nav{padding:0 12px}
.sb-label{font-size:10.5px;letter-spacing:.16em;color:#6d90bd;font-weight:700;padding:14px 10px 7px}
.sb-nav a{
  display:flex;gap:9px;align-items:baseline;
  padding:7px 10px;margin-bottom:1px;
  color:#c3d3e8;text-decoration:none;
  font-size:14px;line-height:1.45;
  border-radius:6px;border-left:3px solid transparent;
  transition:background .13s,color .13s,border-color .13s;
}
.sb-nav a .n{font-size:11px;font-weight:700;color:#6d90bd;min-width:15px;font-variant-numeric:tabular-nums}
.sb-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.sb-nav a.active{background:rgba(93,150,220,.2);color:#fff;border-left-color:#5d96dc;font-weight:600}
.sb-nav a.active .n{color:#9fc4ee}
.sb-foot{padding:20px 22px 0;margin-top:16px;border-top:1px solid rgba(255,255,255,.14);font-size:12.5px}
.sb-foot a{color:#9fc4ee;text-decoration:none;display:block;padding:3px 0}
.sb-foot a:hover{text-decoration:underline;color:#fff}

main{flex:1 1 auto;min-width:0;padding:0 40px 100px;display:flex;justify-content:center}
.wrap{width:100%;max-width:var(--maxw)}

/* ============ 표지 ============ */
.hero{
  margin:0 -40px 46px;
  padding:52px 40px 42px;
  background:linear-gradient(120deg,#0d2244,#1a4b8c 62%,#2f6bb5);
  color:#fff;
}
.hero-inner{max-width:var(--maxw);margin:0 auto}
.hero .eyebrow{font-size:12.5px;letter-spacing:.16em;color:#a9c9ee;font-weight:700}
.hero h1{font-size:clamp(28px,4.6vw,40px);line-height:1.25;margin:14px 0 10px;font-weight:800;letter-spacing:-.02em}
.hero .sub{font-size:17px;color:#cfe0f5;font-weight:500;line-height:1.6}
.hero-facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.hero-facts span{
  font-size:13px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  padding:5px 12px;border-radius:20px;color:#e6effa;
}

/* ============ 섹션 ============ */
section{scroll-margin-top:24px;margin-bottom:56px}
h2{
  font-size:24px;font-weight:800;color:var(--navy);
  letter-spacing:-.02em;line-height:1.35;
  margin:0 0 6px;padding-top:6px;
}
h2 .num{
  display:inline-block;font-size:13px;font-weight:800;color:#fff;
  background:var(--blue);border-radius:5px;
  padding:2px 8px;margin-right:10px;vertical-align:3px;
  font-variant-numeric:tabular-nums;
}
.h2rule{height:3px;background:linear-gradient(90deg,var(--blue),var(--border) 62%,transparent);margin:12px 0 22px;border-radius:2px}
h3{font-size:18.5px;font-weight:750;color:var(--navy);margin:32px 0 10px;line-height:1.45;letter-spacing:-.01em}
h4{font-size:15.5px;font-weight:700;color:var(--blue);margin:22px 0 8px;letter-spacing:-.01em}
p{margin:0 0 13px}
.lede{font-size:17.5px;color:var(--ink-soft);line-height:1.72;margin-bottom:22px}

ul,ol{margin:0 0 14px;padding-left:22px}
li{margin-bottom:6px}
li>ul,li>ol{margin-top:6px;margin-bottom:4px}
li::marker{color:var(--blue-mid)}
ul ul li::marker{color:var(--ink-faint)}
strong{font-weight:700;color:var(--navy)}
em{font-style:normal;color:var(--navy);font-weight:650}
a{color:var(--blue);text-decoration:none;border-bottom:1px solid #b9cde6}
a:hover{border-bottom-color:var(--blue)}
code{
  font-family:ui-monospace,SFMono-Regular,"Cascadia Mono",Consolas,monospace;
  font-size:.88em;background:var(--blue-pale);color:var(--navy);
  padding:1.5px 6px;border-radius:4px;
}
.cite{font-size:13px;color:var(--ink-faint);font-weight:500}

/* ============ 콜아웃 ============ */
.box{border-radius:10px;padding:17px 20px;margin:20px 0;border:1px solid;border-left-width:5px}
.box>*:first-child{margin-top:0}
.box>*:last-child{margin-bottom:0}
.box .bt{font-size:12.5px;font-weight:800;letter-spacing:.06em;display:block;margin-bottom:8px}
.key{background:var(--amber-bg);border-color:var(--amber-bd);border-left-color:var(--amber)}
.key .bt{color:var(--amber)}
.easy{background:var(--teal-bg);border-color:var(--teal-bd);border-left-color:var(--teal)}
.easy .bt{color:var(--teal)}
.warn{background:var(--rose-bg);border-color:var(--rose-bd);border-left-color:var(--rose)}
.warn .bt{color:var(--rose)}
.note{background:var(--bg-soft);border-color:var(--border);border-left-color:var(--blue)}
.note .bt{color:var(--blue)}

.pull{
  margin:28px 0;padding:24px 26px;border-radius:12px;
  background:var(--navy);color:#eaf1fa;text-align:center;
}
.pull .q{font-size:21px;font-weight:800;line-height:1.5;color:#fff;letter-spacing:-.01em}
.pull .a{font-size:14.5px;color:#a9c9ee;margin-top:10px;line-height:1.65}

/* ============ 개념 카드 ============ */
.terms{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:13px;margin:20px 0}
.term{background:var(--bg-soft);border:1px solid var(--border);border-radius:10px;padding:14px 16px;min-width:0}
.term dt{font-size:15px;font-weight:750;color:var(--navy);margin-bottom:5px;line-height:1.4}
.term dt .en{display:block;font-size:11.5px;font-weight:600;color:var(--ink-faint);letter-spacing:.02em;margin-top:2px}
.term dd{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.62}
.term dd .ez{display:block;margin-top:7px;padding-top:7px;border-top:1px dashed var(--border);color:var(--teal);font-weight:600}

/* ============ 대조 2단 ============ */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:20px 0}
.duo>div{border:1px solid var(--border);border-radius:10px;padding:16px 18px;background:#fff;min-width:0}
.duo>div.a{border-top:4px solid var(--blue-mid)}
.duo>div.b{border-top:4px solid var(--amber)}
.duo h5{margin:0 0 4px;font-size:16px;font-weight:750;color:var(--navy)}
.duo .tag{font-size:11.5px;color:var(--ink-faint);font-weight:600;letter-spacing:.04em;display:block;margin-bottom:10px}
.duo ul{padding-left:19px;margin-bottom:0;font-size:14.5px}
.duo li{margin-bottom:7px;line-height:1.6}

/* ============ 표 ============ */
.tw{overflow-x:auto;margin:20px 0;border:1px solid var(--border);border-radius:10px}
table{border-collapse:collapse;width:100%;font-size:14.5px;background:#fff;min-width:480px}
th{background:var(--blue);color:#fff;font-weight:700;text-align:left;padding:11px 14px;line-height:1.45;font-size:14px}
td{padding:10px 14px;border-top:1px solid var(--border);vertical-align:top;line-height:1.6}
tbody tr:nth-child(even){background:var(--bg-soft)}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:700;color:var(--blue)}

/* ============ 사례 박스 ============ */
.case{border:1px solid var(--border);border-radius:11px;overflow:hidden;margin:22px 0;background:#fff}
.case-h{background:var(--blue-pale);padding:11px 18px;border-bottom:1px solid var(--border)}
.case-h .k{font-size:11px;font-weight:800;letter-spacing:.12em;color:var(--blue)}
.case-h .t{font-size:16.5px;font-weight:750;color:var(--navy);margin-top:2px;line-height:1.4}
.case-b{padding:16px 20px}
.case-b>*:first-child{margin-top:0}
.case-b>*:last-child{margin-bottom:0}

/* ============ 단계 ============ */
.steps{list-style:none;padding:0;margin:20px 0;counter-reset:st}
.steps li{
  counter-increment:st;position:relative;
  padding:0 0 16px 44px;margin:0;
  border-left:2px solid var(--border);margin-left:14px;
}
.steps li:last-child{border-left-color:transparent;padding-bottom:0}
.steps li::before{
  content:counter(st);position:absolute;left:-15px;top:-2px;
  width:28px;height:28px;border-radius:50%;
  background:var(--blue);color:#fff;
  font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.steps li b{display:block;color:var(--navy);font-size:15.5px;margin-bottom:3px}

/* ============ 질문 ============ */
.qs{list-style:none;padding:0;margin:18px 0;counter-reset:q}
.qs li{
  counter-increment:q;position:relative;padding:13px 16px 13px 48px;
  border:1px solid var(--border);border-radius:9px;margin-bottom:10px;background:var(--bg-soft);
}
.qs li::before{
  content:"Q" counter(q);position:absolute;left:14px;top:13px;
  font-size:12.5px;font-weight:800;color:#fff;background:var(--blue);
  border-radius:5px;padding:2px 6px;
}
.qs li b{color:var(--navy)}

/* ============ 인포그래픽 ============ */
.info{border:1px solid var(--border);border-radius:12px;background:#fff;margin:24px 0;overflow:hidden}
.info-h{background:var(--navy);color:#fff;padding:13px 18px}
.info-h .t{font-size:16px;font-weight:750;line-height:1.4}
.info-b{padding:18px 20px}
.info-b>*:first-child{margin-top:0}
.info-b>*:last-child{margin-bottom:0}
.info-f{background:var(--bg-soft);border-top:1px solid var(--border);padding:10px 18px;font-size:13px;color:var(--ink-soft);line-height:1.6}

/* 가로 막대 */
.brow{display:grid;grid-template-columns:118px 1fr auto;gap:12px;align-items:center;margin-bottom:11px}
.brow .bl{font-size:14px;font-weight:700;color:var(--navy);text-align:right;line-height:1.3}
.brow .bt2{height:26px;background:var(--blue-pale);border-radius:5px;overflow:hidden}
.brow .bf{height:100%;background:linear-gradient(90deg,#1a4b8c,#4a86cf);border-radius:5px}
.brow .bf.warm{background:linear-gradient(90deg,#b45309,#e0a458)}
.brow .bf.rose{background:linear-gradient(90deg,#a4303f,#d4737f)}
.brow .bf.teal{background:linear-gradient(90deg,#0f766e,#4fada4)}
.brow .bv{font-size:13.5px;font-weight:800;color:var(--blue);font-variant-numeric:tabular-nums;white-space:nowrap;min-width:64px}
.brow .bv.rose{color:var(--rose)}
.brow .bv.teal{color:var(--teal)}

/* 3열 비교 */
.tri{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}
.tri>div{border:1px solid var(--border);border-radius:10px;padding:14px 15px;background:#fff;min-width:0}
.tri h5{margin:0 0 3px;font-size:15.5px;font-weight:750;color:var(--navy)}
.tri .tag{display:block;font-size:11px;font-weight:700;letter-spacing:.05em;color:var(--ink-faint);margin-bottom:9px}
.tri ul{padding-left:17px;margin:0;font-size:13.5px}
.tri li{margin-bottom:6px;line-height:1.55}
.tri.c1>div{border-top:4px solid #1a4b8c}

/* 해부도 */
.anat{background:var(--navy);border-radius:11px;padding:22px 20px;margin:20px 0;color:#eaf1fa}
.anat .s{font-size:23px;font-weight:800;color:#fff;text-align:center;letter-spacing:-.01em;margin-bottom:18px}
.anat .g{display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:10px}
.anat .c{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:11px 13px;min-width:0}
.anat .c .n{font-size:10.5px;font-weight:800;letter-spacing:.1em;color:#9fc4ee}
.anat .c .q{font-size:14px;font-weight:700;color:#fff;margin-top:3px;line-height:1.4}
.anat .c .d{font-size:12.5px;color:#b9cee9;margin-top:4px;line-height:1.5}

/* ============ 도식 ============ */
figure{margin:24px 0}
figure svg{display:block;width:100%;height:auto;max-width:100%}
figcaption{font-size:13px;color:var(--ink-faint);text-align:center;margin-top:10px;line-height:1.6}
.svgwrap{border:1px solid var(--border);border-radius:11px;background:var(--bg-soft);padding:20px 16px;overflow-x:auto}

/* ============ 참고문헌 ============ */
.refs{font-size:14px;line-height:1.68}
.refs h4{margin-top:20px}
.refs ul{list-style:none;padding-left:0}
.refs li{padding-left:20px;text-indent:-20px;margin-bottom:7px;color:var(--ink-soft)}
.refs li b{color:var(--navy)}

/* ============ 상단바 · 진행바 · 맨위로 ============ */
#bar{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,#2f6bb5,#7fb0e8);width:0;z-index:60;transition:width .1s linear}
#topbar{display:none}
#burger{display:none}
#scrim{display:none}
#totop{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  background:var(--navy);color:#fff;border:none;cursor:pointer;font-size:19px;
  box-shadow:0 3px 14px rgba(13,34,68,.32);opacity:0;pointer-events:none;transition:opacity .2s;z-index:55;
}
#totop.on{opacity:.92;pointer-events:auto}
#totop:hover{opacity:1}

@media (max-width:980px){
  body{font-size:16px}
  .layout{display:block}
  #sidebar{
    position:fixed;left:0;top:0;z-index:70;
    height:100dvh;width:284px;flex:none;
    transform:translateX(-100%);transition:transform .24s ease;
    box-shadow:2px 0 22px rgba(0,0,0,.28);
  }
  #sidebar.open{transform:none}
  #scrim{display:block;position:fixed;inset:0;background:rgba(10,20,38,.5);z-index:65;opacity:0;pointer-events:none;transition:opacity .24s}
  #scrim.on{opacity:1;pointer-events:auto}
  #topbar{
    display:flex;align-items:center;gap:12px;
    position:sticky;top:0;z-index:50;
    background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--border);padding:9px 14px;
  }
  #burger{
    display:flex;flex-direction:column;justify-content:center;gap:4.5px;
    width:38px;height:38px;padding:9px;border:1px solid var(--border);
    border-radius:8px;background:#fff;cursor:pointer;flex:none;
  }
  #burger span{display:block;height:2px;background:var(--navy);border-radius:2px}
  #topbar .tt{font-size:14px;font-weight:750;color:var(--navy);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  main{padding:0 18px 80px}
  .hero{margin:0 -18px 34px;padding:36px 20px 30px}
  .duo{grid-template-columns:1fr}
  .tri{grid-template-columns:1fr}
  .brow{grid-template-columns:88px 1fr auto;gap:9px}
  .brow .bl{font-size:13px}
  h2{font-size:21px}
  .pull .q{font-size:18px}
  .anat .s{font-size:19px}
  section{margin-bottom:44px}
}
@media print{
  #sidebar,#topbar,#totop,#bar,#scrim{display:none!important}
  main{padding:0}
  .hero{margin:0 0 30px;background:var(--navy)!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  section{page-break-inside:auto;margin-bottom:30px}
  h2,h3{page-break-after:avoid}
  .box,.case,.duo,figure,.info{page-break-inside:avoid}
}

/* ============ 수치 카드 ============ */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:13px;margin:22px 0}
.stat{border:1px solid var(--border);border-left:4px solid var(--blue);border-radius:9px;padding:14px 16px;background:#fff;min-width:0}
.stat .v{font-size:27px;font-weight:800;color:var(--navy);line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat .l{font-size:13.5px;color:var(--ink-soft);margin-top:7px;line-height:1.5}
.stat .s{font-size:11.5px;color:var(--ink-faint);margin-top:5px}
.stat.neg{border-left-color:var(--rose)}
.stat.neg .v{color:var(--rose)}
.stat.pos{border-left-color:var(--teal)}
.stat.pos .v{color:var(--teal)}

/* ============ 가로 막대 묶음 ============ */
.bars{margin:4px 0}

/* ============ 스펙트럼 축 ============ */
.spec{margin:6px 0 2px}
.spec-line{position:relative;height:10px;border-radius:6px;margin:26px 0 8px}
.spec-line.a{background:linear-gradient(90deg,#0f766e,#c8d6e5 48%,#a4303f)}
.spec-line.b{background:linear-gradient(90deg,#1a4b8c,#c8d6e5 50%,#b45309)}
.spec-line i{position:absolute;top:-7px;width:24px;height:24px;border-radius:50%;background:#fff;border:3px solid var(--navy);transform:translateX(-50%);
  font-style:normal;font-size:11px;font-weight:800;color:var(--navy);display:flex;align-items:center;justify-content:center}
.spec-ends{display:flex;justify-content:space-between;font-size:12.5px;font-weight:700;color:var(--ink-soft)}
.spec-notes{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:16px}
.spec-notes div{font-size:13.5px;line-height:1.55;border-top:3px solid var(--border);padding-top:8px;color:var(--ink-soft);min-width:0}
.spec-notes div b{display:block;color:var(--navy);font-size:13px;margin-bottom:2px}

/* ============ 100% 누적 막대 ============ */
.stack{display:flex;height:34px;border-radius:6px;overflow:hidden;margin:8px 0 6px;border:1px solid var(--border)}
.stack span{display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:800;color:#fff;white-space:nowrap}
.stack .pos{background:#0f766e}
.stack .neu{background:#b9c6d6;color:var(--navy)}
.stack .neg{background:#a4303f}
.stack-l{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--ink-soft);margin-bottom:14px}
.stack-l i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:5px;vertical-align:-1px}

/* ============ 3열 색상 변형 ============ */
.tri.c2>div{border-top:4px solid #b45309}
.tri.c3>div{border-top:4px solid #0f766e}

/* ============ 도식 이미지 ============ */
figure img{display:block;width:100%;height:auto;max-width:100%;border:1px solid var(--border);border-radius:11px;background:#fff;padding:14px}
.svgwrap{border:1px solid var(--border);border-radius:11px;background:var(--bg-soft);padding:20px 16px;overflow-x:auto}