/* 119 소방 AI 스튜디오 — 학습 코스(리더·카탈로그) 스타일. assets/guide.css 토큰 공유 */

/* ===== 챕터 리더 레이아웃 ===== */
.courselayout{display:grid;grid-template-columns:264px minmax(0,1fr) 200px;gap:40px;align-items:start;padding-top:30px;padding-bottom:80px}
.csidebar{position:sticky;top:78px;max-height:calc(100vh - 100px);overflow-y:auto;font-size:13.5px;padding-right:6px}
.csidebar .cbook{display:block;font-family:"Space Grotesk";font-weight:700;color:var(--txt);text-decoration:none;padding:4px 0 12px;margin-bottom:6px;border-bottom:1px solid var(--glass-line);line-height:1.4}
.csidebar .cpart{font-family:"Space Grotesk";font-size:10.5px;letter-spacing:.07em;color:var(--txt-faint);text-transform:uppercase;margin:16px 0 5px;padding-left:2px}
.csidebar a.cnav{display:block;padding:5px 10px;color:var(--txt-dim);text-decoration:none;border-left:2px solid transparent;border-radius:6px;line-height:1.45;transition:background .15s,color .15s}
.csidebar a.cnav:hover{background:var(--glass);color:var(--txt)}
.csidebar a.cnav.on{border-left-color:var(--ember);color:var(--ember);font-weight:600;background:rgba(255,90,46,.06)}
.ccontent{min-width:0}

/* ===== 본문 추가 요소(표·번호/중첩목록·콜아웃·mermaid) ===== */
.article h1{font-family:"Space Grotesk";font-size:30px;font-weight:700;line-height:1.25;margin:0 0 22px;letter-spacing:-.01em}
.article table{width:100%;border-collapse:collapse;margin:20px 0;font-size:13.5px;display:block;overflow-x:auto}
.article th,.article td{border:1px solid var(--glass-line);padding:9px 12px;text-align:left;vertical-align:top}
.article th{background:var(--glass);font-family:"Space Grotesk";font-weight:600;color:var(--txt)}
.article ol{padding-left:24px;margin:12px 0}
.article ol li{margin:5px 0}
.article li>ul,.article li>ol{margin:5px 0 5px 4px}
.note.tip{border-color:rgba(255,179,56,.35)}
.note.warn{border-color:rgba(224,36,90,.40)}
.note.key{border-color:rgba(255,90,46,.40)}
.note.goal{border-color:rgba(255,90,46,.45);background:rgba(255,90,46,.05)}
.note .nh{font-family:"Space Grotesk";font-size:12.5px;font-weight:600;margin-bottom:5px;opacity:.92}
.note ul{margin:7px 0 2px;padding-left:20px}
.note ul li{margin:3px 0;line-height:1.55}
pre.mermaid{background:transparent;text-align:center;margin:22px 0;line-height:1.4}
.article .hr{height:0;border:0;border-top:1px solid var(--glass-line);margin:30px 0}

/* ===== 카탈로그(learn.html) ===== */
.lhead{padding:46px 0 14px;max-width:680px} /* 중앙 컬럼 헤드 — 사이트 공통 문법(.wrap margin:auto 로 중앙 배치) */
.ltitle{font-family:"Space Grotesk";font-size:40px;font-weight:700;margin:10px 0 8px;letter-spacing:-.02em}
.ltitle .it{font-family:"Instrument Serif";font-style:italic;font-weight:400;background:linear-gradient(120deg,var(--ember),var(--amber));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;padding-right:.16em}
.lsub{color:var(--txt-dim);font-size:15px;margin:0 0 8px;max-width:640px}
.learn-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;padding:20px 0 80px}
/* 카탈로그 레벨 필터 칩 */
.lchips{display:flex;gap:9px;flex-wrap:wrap;margin:6px 0 22px}
.lchip{font-size:13px;color:var(--txt-dim);background:var(--glass);border:1px solid var(--glass-line);padding:8px 16px;border-radius:100px;cursor:pointer;transition:color .2s,border-color .2s,background .2s;font-weight:500}
.lchip:hover{color:var(--txt);border-color:rgba(255,122,69,.4)}
.lchip.on{background:linear-gradient(120deg,var(--ember),var(--crim));color:#fff;border-color:transparent}
@media (max-width:600px){ .lchip{min-height:44px;display:inline-flex;align-items:center} } /* 모바일 터치 타깃 ≥44px */
.lcard.hide{display:none}
.lcard{position:relative;display:flex;flex-direction:column;gap:10px;padding:24px 22px;background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r);text-decoration:none;color:var(--txt);overflow:hidden;transition:border-color .18s,transform .18s}
.lcard:hover{border-color:rgba(255,90,46,.5);transform:translateY(-2px)}
.lcard .lc-heat{position:absolute;inset:0 0 auto 0;height:3px}
.lcard.h1 .lc-heat{background:linear-gradient(90deg,var(--ember),var(--amber))}
.lcard.h2 .lc-heat{background:linear-gradient(90deg,var(--crim),var(--ember))}
.lcard.h3 .lc-heat{background:linear-gradient(90deg,#3aa0ff,#4dd0e1)}
.lcard .lc-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
/* 과목 아이콘 칩 — 색은 heat 단계를 따른다(h1 불씨/h2 심홍/h3 청록) */
.lcard .lc-ico{flex-shrink:0;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.035);border:1px solid var(--glass-line)}
.lcard .lc-ico svg{width:19px;height:19px}
.lcard.h1 .lc-ico{color:var(--ember)}
.lcard.h2 .lc-ico{color:var(--crim)}
.lcard.h3 .lc-ico{color:#4dd0e1}
.lcard .lc-tr{display:inline-flex;align-items:center;gap:8px}
.lcard .lc-lvl{font-family:"Space Grotesk";font-size:11px;font-weight:600;padding:3px 9px;border-radius:999px;border:1px solid var(--glass-line);color:var(--txt-dim)}
.lcard .lc-n{font-size:12px;color:var(--txt-faint)}
.lcard h3{font-family:"Space Grotesk";font-size:18px;font-weight:700;margin:2px 0 0;line-height:1.3}
.lcard .lc-sum{color:var(--txt-dim);font-size:13.5px;line-height:1.55;margin:0}
.lcard .lc-go{margin-top:auto;font-family:"Space Grotesk";font-size:12.5px;color:var(--ember);font-weight:600}

/* ===== 챕터 검색 ===== */
.csearch{width:100%;max-width:520px;margin:16px 0 0;padding:12px 16px;background:var(--glass);border:1px solid var(--glass-line);border-radius:12px;color:var(--txt);font-size:14px;font-family:inherit}
.csearch::placeholder{color:var(--txt-faint)}
.csearch:focus{border-color:var(--ember)}
.csearch:focus-visible{outline:2px solid var(--ember);outline-offset:2px}
.cresults{display:flex;flex-direction:column;gap:8px;padding:8px 0 80px}
a.cresult{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 16px;background:var(--glass);border:1px solid var(--glass-line);border-radius:12px;text-decoration:none;color:var(--txt);transition:border-color .15s}
a.cresult:hover{border-color:rgba(255,90,46,.5)}
a.cresult strong{font-weight:600;font-size:14px}
a.cresult span{color:var(--txt-faint);font-size:12.5px;white-space:nowrap}

/* ===== 코스 커버(learn/<slug>/index.html 자동 생성) ===== */
.cover{padding:28px 30px 30px;border-radius:20px;margin:0 0 36px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(255,90,46,.13),rgba(224,36,90,.06)),var(--glass);
  border:1px solid rgba(255,122,69,.25);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 18px 44px -20px rgba(0,0,0,.6)}
.cover h1{margin:14px 0 10px}
.cv-sum{color:var(--txt-dim);margin:0;max-width:560px;font-size:15px}
.cv-stats{display:flex;flex-wrap:wrap;margin:22px 0 24px;border-top:1px solid var(--glass-line);border-bottom:1px solid var(--glass-line)}
.cv-s{padding:14px 28px 14px 0;margin-right:28px;border-right:1px solid var(--glass-line)}
.cv-s:last-child{border-right:0;margin-right:0}
.cv-s b{font-family:"Space Grotesk";font-size:26px;font-weight:600;display:block;
  background:linear-gradient(180deg,var(--txt),var(--amber));-webkit-background-clip:text;background-clip:text;color:transparent}
.cv-s span{font-size:12px;color:var(--txt-faint);font-family:"Space Grotesk";letter-spacing:.05em}
.cv-start{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:100px;
  background:linear-gradient(120deg,var(--ember),var(--crim));color:#fff;font-weight:600;font-size:14px;
  box-shadow:0 10px 34px -10px rgba(255,77,31,.55);transition:transform .2s,box-shadow .2s}
.cv-start:hover{transform:translateY(-2px);box-shadow:0 16px 44px -10px rgba(255,77,31,.7)}
.article h3.cv-part{margin-top:32px}
.chgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0 8px}
.cvch{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--glass);
  border:1px solid var(--glass-line);border-radius:12px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);transition:border-color .18s,transform .18s,background .18s}
.cvch:hover{border-color:rgba(255,90,46,.5);transform:translateY(-2px);background:rgba(255,255,255,.05)}
.cvch .chn{flex-shrink:0;font-family:"Space Grotesk";font-size:12.5px;font-weight:700;color:var(--ember);
  min-width:30px;text-align:center;background:rgba(255,90,46,.1);border-radius:8px;padding:4px 0}
.cvch .cht{font-size:13.5px;color:var(--read);line-height:1.4}
@media(max-width:700px){.chgrid{grid-template-columns:1fr}.cv-s{padding-right:18px;margin-right:18px}}

/* ===== 카드 깊이 + 모바일 칩 가로 스크롤(hub.css 카드 규칙과 동일 스케일) ===== */
.lcard{box-shadow:inset 0 1px 0 rgba(255,255,255,.06),0 14px 34px -18px rgba(0,0,0,.55)}
.lcard:hover{box-shadow:inset 0 1px 0 rgba(255,255,255,.1),0 24px 56px -22px rgba(0,0,0,.7),0 12px 44px -18px rgba(255,90,46,.24)}
@media (max-width:600px){
  .lchips{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scroll-snap-type:x proximity;scrollbar-width:none;margin-left:-18px;margin-right:-18px;padding-left:18px;padding-right:18px}
  .lchips::-webkit-scrollbar{display:none}
  .lchips .lchip{flex-shrink:0;scroll-snap-align:start}
}

/* ===== 반응형 ===== */
@media(max-width:980px){
  .courselayout{grid-template-columns:1fr;gap:24px}
  .csidebar,.courselayout .toc{position:static;max-height:none;overflow:visible}
  .csidebar{order:-1;border-bottom:1px solid var(--glass-line);padding-bottom:12px}
}