/* 파는 감각 — 강 위젯 스타일. 원본 bruni-world /biz/ 인라인 <style> 에서 본문·위젯 규칙만 옮겼다.
   모든 선택자는 .lesson-biz 아래. 블로그 클래스와 겹치던 bad·copy·n·row 는 L- 를 붙였다. */
.lesson-biz{
  --ink:var(--bg);--ink2:var(--surface);--ink3:var(--surface-2);
  --line2:var(--line-2);--muted:var(--text-2);--muted-d:var(--text-3);
  --accent:var(--mint);--accent-soft:var(--mint-soft);
  /* 블로그에 없는 색 — 어두운 값 */
  --bad-soft:#ffb0b0;--bad-dim:rgba(255,107,107,.15);--bad-line:rgba(255,107,107,.42);
}
:root[data-theme="light"] .lesson-biz{--bad-soft:#a8231b;--bad-dim:rgba(179,38,30,.09);--bad-line:rgba(179,38,30,.38)}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]) .lesson-biz{--bad-soft:#a8231b;--bad-dim:rgba(179,38,30,.09);--bad-line:rgba(179,38,30,.38)}
}

.lesson-biz p.mut{color:var(--muted)}
.lesson-biz .key{margin-top:20px;padding:16px 20px;background:var(--mint-dim);
  border-left:3px solid var(--accent);border-radius:0 12px 12px 0;font-weight:600;color:var(--text);word-break:keep-all}

/* ── 데모 공통 ── */
.lesson-biz .demo{margin-top:22px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--ink2)}
.lesson-biz .demo-bar{display:flex;align-items:center;gap:10px;justify-content:space-between;flex-wrap:wrap;
  padding:11px 16px;border-bottom:1px solid var(--line2);font-size:12.5px;color:var(--muted)}
.lesson-biz .demo-bar b{color:var(--accent);font-weight:700;letter-spacing:.06em}
.lesson-biz .demo-stage{padding:22px}
.lesson-biz .fig-solo{padding:20px 16px}
.lesson-biz .fb-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.6;word-break:keep-all}
.lesson-biz .fb-note.L-pad{padding:0 16px 16px}

/* 슬라이더 행 */
.lesson-biz .ctl{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.lesson-biz .ctl label{font-size:13px;color:var(--muted);flex:0 0 auto;min-width:88px}
.lesson-biz .ctl input[type=range]{flex:1 1 150px;min-width:0;accent-color:var(--accent)}
.lesson-biz .ctl .v{font-family:var(--mono);font-size:13px;color:var(--accent);font-weight:700;
  flex:0 0 auto;min-width:52px;text-align:right}

/* 결과 패널 */
.lesson-biz .out{background:var(--ink3);border:1px solid var(--line2);border-radius:12px;padding:16px 18px;margin-top:4px}
.lesson-biz .out .big{font-size:clamp(26px,5.4vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.15;color:var(--text)}
.lesson-biz .out .big.no{color:var(--bad)}
.lesson-biz .out .big.ok{color:var(--accent)}
.lesson-biz .out .cap{font-size:12.5px;color:var(--muted);margin-top:7px;word-break:keep-all}
.lesson-biz .out .L-row{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);padding:5px 0;border-top:1px solid var(--line2);margin-top:9px}
.lesson-biz .out .cap+.L-row{border-top:none;margin-top:12px}
.lesson-biz .out .L-row b{color:var(--text);font-family:var(--mono);font-weight:700}

/* ── 그림 조각 ── */
.lesson-biz .jrow{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.lesson-biz .j{background:var(--ink3);border:1px solid var(--line2);border-radius:8px;padding:6px 10px;white-space:nowrap}
.lesson-biz .j.on{background:var(--accent);color:var(--mint-ink);border-color:var(--accent);font-weight:700}
.lesson-biz .j.L-bad{border-color:var(--bad-line);color:var(--bad-soft)}

.lesson-biz .cols{display:flex;gap:12px;flex-wrap:wrap}
.lesson-biz .cols>div{flex:1 1 150px;min-width:0;background:var(--ink3);border:1px solid var(--line2);
  border-radius:12px;padding:14px 16px}
.lesson-biz .cols>div.L-pick{border-color:var(--accent)}
.lesson-biz .cols .h{font-size:11px;letter-spacing:.16em;font-weight:700;color:var(--muted-d)}
.lesson-biz .cols .h.no{color:var(--bad-soft)}
.lesson-biz .cols .h.ok{color:var(--accent)}
.lesson-biz .cols p{font-size:13.5px;margin:8px 0 0;color:var(--text-prose);line-height:1.6;word-break:keep-all}
.lesson-biz .cols p.L-price{font-size:18px;font-weight:800;color:var(--text)}
.lesson-biz .cols p.L-price.L-lg{font-size:20px}
.lesson-biz .cols p.L-price.L-acc{color:var(--accent)}

.lesson-biz .bars{display:flex;flex-direction:column;gap:9px}
.lesson-biz .bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.lesson-biz .bar .lb{font-size:12.5px;color:var(--muted);flex:0 0 auto;min-width:74px}
.lesson-biz .bar .tr{flex:1 1 120px;min-width:0;height:10px;background:var(--ink3);border-radius:999px;overflow:hidden}
.lesson-biz .bar .fl{display:block;height:100%;background:var(--accent);border-radius:999px}
.lesson-biz .bar .fl.dim{background:var(--muted-d)}
.lesson-biz .bar .fl.no{background:var(--bad)}
.lesson-biz .bar .L-n{font-family:var(--mono);font-size:12px;color:var(--muted);flex:0 0 auto;min-width:46px;text-align:right}

/* 깔때기 그림 */
.lesson-biz .fun{display:flex;flex-direction:column;gap:6px;align-items:center}
.lesson-biz .fun .st{background:var(--ink3);border:1px solid var(--line2);border-radius:8px;
  padding:8px 12px;font-size:12.5px;color:var(--text-prose);text-align:center;max-width:100%}
.lesson-biz .fun .st.L-bad{border-color:var(--bad-line);color:var(--bad-soft)}
.lesson-biz .fun .ar{color:var(--muted-d);font-size:11px}

/* 사다리 */
.lesson-biz .lad{display:flex;flex-direction:column-reverse;gap:6px}
.lesson-biz .lad div{background:var(--ink3);border:1px solid var(--line2);border-left:3px solid var(--accent);
  border-radius:0 8px 8px 0;padding:8px 12px;font-size:13px;color:var(--text-prose);word-break:keep-all}
.lesson-biz .lad div small{color:var(--muted-d);display:block;font-size:11.5px;margin-top:2px}

/* 카피 비교 */
.lesson-biz .L-copy{font-size:14.5px;line-height:1.65;word-break:keep-all}
.lesson-biz .L-copy .t{font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--text)}
.lesson-biz .L-copy .s{color:var(--muted);margin-top:6px}

/* 표 */
.lesson-biz table.tb{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:16px;display:block;overflow-x:auto}
.lesson-biz table.tb th,.lesson-biz table.tb td{border:1px solid var(--line2);padding:9px 12px;text-align:left;vertical-align:top}
.lesson-biz table.tb th{background:var(--ink3);font-weight:700;color:var(--text);white-space:nowrap}
.lesson-biz table.tb td{color:var(--text-prose)}

/* ══ 비교 슬라이더 ══
   두 판을 같은 그리드 칸에 겹친다 — 높이가 큰 쪽에 저절로 맞는다(잴 필요 없음).
   조작은 투명한 range 가 맡는다 — 포인터·터치·키보드·스크린리더가 range 하나로 해결된다.
   놓으면 0% 또는 100% 로 붙는다(중간에 멈추면 두 문장이 섞여 못 읽는다). */
.lesson-biz .cmp{position:relative;display:grid;overflow:hidden;background:var(--ink3);border-radius:12px}
.lesson-biz .cmp-pane{grid-area:1/1;padding:20px 22px}
.lesson-biz .cmp-pane.b{clip-path:inset(0 0 0 var(--x,0%))}
.lesson-biz .cmp-pane.a{clip-path:inset(0 calc(100% - var(--x,0%)) 0 0)}
.lesson-biz .cmp.snap .cmp-pane{transition:clip-path .26s cubic-bezier(.2,.7,.2,1)}
.lesson-biz .cmp.snap .cmp-line,.lesson-biz .cmp.snap .cmp-knob{transition:left .26s cubic-bezier(.2,.7,.2,1)}
.lesson-biz .cmp-line{position:absolute;top:0;bottom:0;left:var(--x,0%);width:2px;
  background:var(--accent);opacity:.55;pointer-events:none;transform:translateX(-1px)}
.lesson-biz .cmp-knob{position:absolute;top:50%;left:clamp(17px,var(--x,0%),calc(100% - 17px));width:34px;height:34px;border-radius:50%;
  background:var(--accent);color:var(--mint-ink);display:grid;place-items:center;font-size:13px;font-weight:800;
  transform:translate(-50%,-50%);pointer-events:none;box-shadow:0 3px 12px var(--shadow)}
.lesson-biz .cmp-range{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;
  -webkit-appearance:none;appearance:none;background:transparent}
.lesson-biz .cmp-range:focus-visible ~ .cmp-knob{outline:2px solid var(--text);outline-offset:3px}
.lesson-biz .cmp-tag{position:absolute;top:10px;font-size:11px;font-weight:700;letter-spacing:.04em;
  padding:3px 9px;border-radius:6px;pointer-events:none}
.lesson-biz .cmp-tag.l{left:12px;color:var(--bad-soft);background:var(--bad-dim)}
.lesson-biz .cmp-tag.r{right:12px;color:var(--accent);background:var(--mint-dim)}
.lesson-biz .cmp .L-copy .t{font-size:16.5px;margin-top:22px}
.lesson-biz .cmp .L-copy .s{margin-top:7px;font-size:14px;line-height:1.6}
.lesson-biz .cmp .cols{margin-top:22px}
@media(max-width:560px){.lesson-biz .cmp-pane{padding:18px 16px}.lesson-biz .cmp .L-copy .t{font-size:15px}}

@media (prefers-reduced-motion:reduce){
  .lesson-biz .cmp.snap .cmp-pane,.lesson-biz .cmp.snap .cmp-line,.lesson-biz .cmp.snap .cmp-knob{transition:none}
}