/* 프라이빗 코치 첫째 · 둘째 층 (2026-10-22, js/ps2-coach.js). 앱(시안 10)과 같은 숲색 처방 카드 · 실력 눈금. */
.co { --co-deep: #0c3b27; --co-deep-ink: #d4ecdd; --co-deep-dim: #9fcbb2; --co-forest: #0e8a43; --co-forest-text: #0b7d3c; --co-soft: #e4f3ea;
      --co-mist: #eef2f0; --co-gold: #8a660f; --co-gold-soft: #faf5e8; --co-blue: #1d5fa8; --co-blue-soft: #e8f1fb; --co-line: #e3e8e5;
      font-size: 15px; line-height: 1.6; color: var(--ps-ink, #0b1324); margin: 4px 0 28px; }
.co[hidden] { display: none !important; }
.co a { text-decoration: none; color: inherit; }
.co-h { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; margin: 18px 0 10px; display: flex; align-items: baseline; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.co-h small { font-size: 13px; font-weight: 500; color: var(--ps-ink-3, #64748b); }
.co-sub { font-size: 15px; font-weight: 800; margin: 22px 0 8px; padding-bottom: 6px; border-bottom: 1px solid var(--co-line); display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.co-sub small { font-weight: 500; color: var(--ps-ink-3, #64748b); font-size: 12.5px; }
.co-hero { display: grid; gap: 8px; background: var(--co-deep); color: var(--co-deep-ink); border-radius: 22px; padding: 22px 22px 20px; max-width: 720px; }
.co-hero:hover, .co-hero:focus-visible { outline: 3px solid var(--co-soft); }
.co-hero__m { display: flex; justify-content: space-between; font-size: 12.5px; font-weight: 700; color: var(--co-deep-dim); }
.co-hero__t { font-family: "Noto Serif KR", serif; font-size: 24px; line-height: 1.35; color: #fff; }
.co-hero__p { font-size: 14.5px; }
.co-steps { display: flex; gap: 8px; margin-top: 4px; }
.co-steps span { flex: 1; border-top: 3px solid rgba(255,255,255,.2); padding-top: 6px; font-size: 12.5px; color: var(--co-deep-dim); }
.co-steps span.is-done { border-top-color: #74d6a0; color: var(--co-deep-ink); }
.co-hero__go { margin-top: 8px; background: #fff; color: var(--co-deep); border-radius: 12px; text-align: center; padding: 11px; font-weight: 800; }
.co-list { max-width: 720px; }
.co-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 2px; border-bottom: 1px solid var(--co-line); }
.co-row b { display: block; font-size: 15px; }
.co-row small { display: block; font-size: 13px; color: var(--ps-ink-3, #64748b); }
.co-row em { font-style: normal; font-weight: 800; color: var(--co-forest-text); white-space: nowrap; }
.co-row:hover b { color: var(--co-forest-text); }
.co-map { max-width: 720px; }
.co-scale { display: flex; margin: 6px 0 2px 120px; margin-right: 214px; font-size: 11.5px; font-weight: 700; color: var(--ps-ink-3, #64748b); }
.co-scale span { text-align: center; }
.co-lad { display: grid; grid-template-columns: 108px minmax(0, 1fr) 96px 94px; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--co-line); }
.co-lad > b { font-size: 15px; }
.co-lad:hover > b { color: var(--co-forest-text); }
.co-bar { position: relative; height: 9px; border-radius: 6px; background: var(--co-mist); display: block; }
.co-bar--none { background: transparent; border-top: 2px dashed #dfe5e1; height: 2px; }
.co-cut { position: absolute; top: 0; bottom: 0; width: 2px; margin-left: -1px; background: #fff; }
.co-band { position: absolute; top: -4px; height: 17px; border-radius: 9px; background: rgba(14,138,67,.18); border: 1.5px solid rgba(14,138,67,.6); }
.co-band--soft { background: rgba(14,138,67,.08); border-color: rgba(14,138,67,.25); }
.co-pt { position: absolute; top: -5px; width: 19px; height: 19px; margin-left: -9px; border-radius: 50%; background: var(--co-forest); border: 3px solid #fff; box-shadow: 0 0 0 1px rgba(14,138,67,.3); }
.co-val { text-align: right; font-weight: 800; font-size: 14px; white-space: nowrap; }
.co-val--judging { color: var(--co-gold); }
.co-val--none { color: var(--ps-ink-3, #64748b); font-weight: 500; }
.co-up { color: var(--co-forest-text); margin-left: 4px; }
.co-down { color: #b4441c; margin-left: 4px; }
.co-meta { display: grid; grid-template-columns: auto; justify-items: end; gap: 3px; }
.co-meta small { font-size: 11.5px; color: var(--ps-ink-3, #64748b); }
.co-chip { font-size: 11.5px; font-weight: 800; padding: 2px 9px; border-radius: 999px; background: var(--co-mist); color: var(--ps-ink-2, #3b4658); white-space: nowrap; }
.co-chip--judging { background: var(--co-gold-soft); color: var(--co-gold); }
.co-chip--tentative { background: var(--co-blue-soft); color: var(--co-blue); }
.co-chip--stable { background: var(--co-soft); color: var(--co-forest-text); }
.co-ev { display: block; width: 72px; height: 5px; border-radius: 4px; background: var(--co-mist); overflow: hidden; }
.co-ev i { display: block; height: 100%; background: #c9a227; }
.co-ev--big { width: 100%; max-width: 720px; height: 8px; }
.co-lad--soon { opacity: .7; }
.co-note { font-size: 13px; color: var(--ps-ink-3, #64748b); margin: 10px 0 0; }
.co-ah { display: flex; align-items: center; gap: 10px; margin: 6px 0 4px; }
.co-ah b { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; }
.co-lead { font-size: 15.5px; color: var(--ps-ink-2, #3b4658); margin: 4px 0 12px; max-width: 64ch; }
.co-lad--big { grid-template-columns: minmax(0, 1fr); margin-left: 120px; margin-right: 214px; border-bottom: 0; }
.co-spark { width: 100%; max-width: 720px; height: 64px; display: block; }
.co-spark__l { fill: none; stroke: var(--co-forest); stroke-width: 2.5; }
.co-spark__a { fill: rgba(14,138,67,.1); }
.co-spark circle { fill: var(--co-forest); }
.co-path { list-style: none; padding: 0; margin: 0; max-width: 720px; }
.co-path li a { display: grid; padding: 10px 0 10px 26px; position: relative; border-left: 2px solid var(--co-line); margin-left: 8px; }
.co-path li a::before { content: ""; position: absolute; left: -9px; top: 14px; width: 16px; height: 16px; border-radius: 50%; border: 2px solid #c5cdd5; background: #fff; }
.co-path li.is-now a::before { border: 5px solid var(--co-forest); }
.co-path li.is-done a::before { background: var(--co-forest); border-color: var(--co-forest); }
.co-path li.is-fix a::before { border: 5px solid var(--co-gold); }
.co-path li.is-fix b { color: var(--co-gold); }
.co-path small { color: var(--ps-ink-3, #64748b); font-size: 13px; }
#sk.co-empty .sk-hero__row, #sk.co-empty .sk-hero__side { display: none; }
#sk.co-empty .sk-hero { grid-template-columns: minmax(0, 1fr); padding-top: 18px; padding-bottom: 18px; }
@media (max-width: 640px) {
  .co-lad { grid-template-columns: 76px minmax(0, 1fr) 84px; gap: 8px; }
  .co-meta { grid-column: 2 / 4; grid-template-columns: auto auto auto; justify-content: start; align-items: center; gap: 8px; }
  .co-scale { margin-left: 84px; margin-right: 92px; }
  .co-lad--big { margin-left: 0; margin-right: 0; }
  .co-hero__t { font-size: 21px; }
}
/* 사이트의 #sk 글자색 규칙보다 앞서도록 (처방 카드는 짙은 바탕) */
#sk .co-hero, #sk .co-hero__p { color: var(--co-deep-ink); }
#sk .co-hero__m span, #sk .co-steps span { color: var(--co-deep-dim); }
#sk .co-steps span.is-done { color: var(--co-deep-ink); }
#sk .co-hero__t { color: #fff; }
#sk .co-hero__go { color: var(--co-deep); }
/* 2026-10-22 AI 실력 진단 안내: 지난 진단 뒤로 쌓인 기록 · 바뀐 점수 · 다시 받기 (첫째 층의 '내 실력' 아래), 지난 리포트 맨 위 알림 */
.co-ai { max-width: 720px; margin: 22px 0 0; padding: 20px 22px; border: 1px solid #dfe9e3; border-radius: 18px;
         background: linear-gradient(135deg, #f4faf6 0%, #fbf8ee 100%); display: grid; gap: 8px; }
#sk .co-ai p { margin: 0; font-size: 14.5px; line-height: 1.65; color: var(--ps-ink-2, #334155); max-width: 62ch; }
.co-ai__tag { justify-self: start; font-size: 11.5px; font-weight: 800; letter-spacing: .04em; color: var(--co-forest-text); background: #fff;
              border: 1px solid #cfe5d8; border-radius: 999px; padding: 2px 10px; }
#sk .co-ai__t { display: block; font-size: 19px; font-weight: 800; line-height: 1.4; letter-spacing: -0.01em; color: var(--ps-ink, #0b1324); }
.co-ai__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.co-ai__chips span { font-size: 13px; font-weight: 700; color: var(--co-deep); background: #fff; border: 1px solid var(--co-line); border-radius: 999px; padding: 3px 11px; }
#sk .co-ai__chg { font-weight: 700; color: var(--co-gold); }
.co-ai__act { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-top: 6px; }
#sk .co-ai__go { appearance: none; border: 0; cursor: pointer; font: inherit; font-size: 15px; font-weight: 800; color: #fff; background: var(--co-deep);
                 border-radius: 999px; padding: 11px 20px; text-decoration: none; }
#sk .co-ai__go:hover, #sk .co-ai__go:focus-visible { background: var(--co-forest); }
#sk .co-ai__act small { font-size: 13px; color: var(--ps-ink-3, #64748b); }
#sk .co-ai__act small a { color: var(--co-forest-text); font-weight: 700; text-decoration: none; }
#sk .co-stale { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin: 0 0 14px; padding: 10px 14px; border-radius: 12px;
                background: #faf5e8; color: #6b4f0b; font-size: 13.5px; line-height: 1.55; }
#sk .co-stale button { appearance: none; border: 1px solid #d9c48e; background: #fff; color: #6b4f0b; font: inherit; font-weight: 800; border-radius: 999px; padding: 4px 12px; cursor: pointer; }
#sk .co-stale a { color: #6b4f0b; font-weight: 800; }
@media (max-width: 640px) {
  .co-ai { padding: 18px 16px; }
  #sk .co-ai__t { font-size: 17.5px; }
  #sk .co-ai__go { width: 100%; text-align: center; }
}

/* 2026-10-22 엔진 E1(설계서 5판 12절): 문법 단원 줄 아래 숙달 상태의 수 · 부분별 상태 */
.co-ms { margin: -2px 0 10px; padding: 0 2px 10px; border-bottom: 1px solid var(--co-line); font-size: 13.5px; }
.co-ms__sum { display: block; color: var(--co-forest-text); font-weight: 700; }
.co-ms__more { margin-top: 6px; }
.co-ms__more summary { cursor: pointer; color: #4b5a52; font-weight: 700; }
.co-ms__ch { margin-top: 10px; }
.co-ms__ch > b { display: block; font-size: 13.5px; }
.co-ms__ch ul { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 4px; }
.co-ms__ch li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 10px; padding: 7px 10px; border-radius: 10px; background: var(--co-mist); }
.co-ms__ch li.is-learned, .co-ms__ch li.is-secure { background: var(--co-soft); }
.co-ms__ch li.is-relearning { background: var(--co-gold-soft); }
.co-ms__n { min-width: 0; }
.co-ms__s { color: #4b5a52; font-weight: 700; white-space: nowrap; }
.co-ms__x { grid-column: 1 / -1; color: #4b5a52; }
.co-ms__x a { color: var(--co-forest-text); font-weight: 800; }
@media (max-width: 560px) { .co-ms__ch li { grid-template-columns: 1fr; } .co-ms__s { white-space: normal; } }

/* 2026-10-24 코치 엔진 E1.2: '실력 재보기' 카드(AI 진단 카드의 모양을 그대로 씀) */
.co-probe { margin-top: 18px; }

/* ───────── 2026-10-24 새 첫 화면(/skill/): 오늘 할 일 → 내 실력 → AI 코치의 말, 그 아래 '자세히 보기' ─────────
   한 화면에 센 단추 하나, 같은 종류는 한 덩어리, 세부는 펼쳐서. 글줄 폭은 720px 안(한국어 한 줄 40자 안팎), 누르는 곳은 48px 넘게. */
#sk .sk-title { margin: 6px 0 2px; font-size: 15px; font-weight: 800; letter-spacing: -0.01em; color: var(--ps-ink-3); }
#sk .sk-title small { margin-left: 6px; font-size: 12.5px; font-weight: 500; color: var(--ps-ink-3); }
#sk.has-coach .sk-fallback { display: none; }
#sk .sk-hero.sk-fallback { grid-template-columns: minmax(0, 1fr); max-width: 720px; }
.co-hub { margin-top: 0; }
.co-hub .co-h { font-size: 21px; margin: 24px 0 10px; }
.co-hub .co-today .co-h { margin-top: 8px; }
.co-hub .co-hero { padding: 24px 24px 22px; }
.co-hub .co-hero__t { font-size: 25px; }
.co-hub .co-hero__p { font-size: 15px; line-height: 1.6; max-width: 56ch; }
.co-hub .co-hero__go { min-height: 48px; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.co-steps--plan span { font-weight: 700; }
.co-hub .co-row { min-height: 56px; padding: 10px 2px; }
.co-fold[hidden] { display: none; }
.co-more { appearance: none; display: inline-flex; align-items: center; min-height: 40px; margin-top: 10px; padding: 0 16px; border: 1px solid var(--co-line); border-radius: 999px;
           background: #fff; color: var(--co-forest-text); font: inherit; font-size: 13.5px; font-weight: 800; cursor: pointer; }
.co-more:hover { border-color: var(--co-forest); }
.co-ai--quiet { background: #fff; border-color: var(--co-line); }
#sk .co-ai__link { display: inline-flex; align-items: center; min-height: 44px; font-size: 15px; font-weight: 800; color: var(--co-forest-text); }
/* 자세히 보기: 같은 종류끼리 접은 칸. 제목은 summary 한 줄에, 안의 옛 제목(문법 지도 · 처방 모음)은 숨긴다 */
#sk .sk-more { max-width: 720px; margin-top: 34px; }
#sk .sk-more__h { display: flex; align-items: baseline; gap: 10px; margin: 0 0 8px; font-size: 15px; font-weight: 800; color: var(--ps-ink-3); }
#sk .sk-more__h small { font-size: 12.5px; font-weight: 500; }
#sk .sk-more__it { margin-top: 8px; border: 1px solid var(--ps-line); border-radius: 16px; background: #fff; }
#sk .sk-more__it > summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: minmax(0, 1fr) 18px; align-items: center; column-gap: 10px; row-gap: 2px; min-height: 54px; padding: 12px 16px; }
#sk .sk-more__it > summary > b, #sk .sk-more__it > summary > small { grid-column: 1; }
#sk .sk-more__it > summary::after { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
#sk .sk-more__it > summary::-webkit-details-marker { display: none; }
#sk .sk-more__it > summary b { display: block; font-size: 15.5px; font-weight: 800; letter-spacing: -0.01em; }
#sk .sk-more__it > summary small { display: block; margin-top: 0; color: var(--ps-ink-3); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#sk .sk-more__it > summary::after { content: ""; width: 9px; height: 9px; margin-right: 5px; border-right: 2px solid var(--ps-ink-3); border-bottom: 2px solid var(--ps-ink-3); transform: rotate(45deg); transition: transform .2s; }
#sk .sk-more__it[open] > summary::after { transform: rotate(-135deg); }
#sk .sk-more__it[open] > summary { border-bottom: 1px solid var(--ps-line); }
#sk .sk-more__body { padding: 14px 16px 18px; }
#sk .sk-more__body.sk-card { border: 0; border-radius: 0; margin: 0; padding: 14px 16px 18px; box-shadow: none; }
#sk .sk-more__body > .sk-card { border: 0; border-radius: 0; margin-top: 0; padding: 0; box-shadow: none; }
#sk .sk-more__body > .sk-card + .sk-card { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--ps-line); }
#sk .sk-more__body > .sk-map > h4, #sk .sk-more__body .gm-rx > .gi-h { display: none; }
#sk .sk-radar__box { display: flex; justify-content: center; margin: 0 0 14px; }
#sk .sk-radar__box .sk-radar { max-width: 300px; }
#sk .sk-chip--S { background: #e0f2f1; color: #0f766e; }
/* 2026-10-24 E1.4 누가 공부하나요? — 조용한 카드 하나, 센 단추 아님 */
.co-prof { max-width: 720px; margin: 18px 0 0; padding: 18px 20px; border: 1px solid var(--co-line); border-radius: 18px; background: #fff; display: grid; gap: 10px; }
#sk .co-prof__p { margin: 0; font-size: 14px; line-height: 1.6; color: var(--ps-ink-2, #334155); }
.co-prof__row { display: grid; gap: 6px; }
.co-prof__row > b { font-size: 13.5px; }
.co-prof__row > b small { margin-left: 6px; font-weight: 500; color: var(--ps-ink-3, #64748b); }
.co-prof__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.co-prof__chip { appearance: none; cursor: pointer; font: inherit; font-size: 13.5px; font-weight: 700; min-height: 36px; padding: 0 13px; border-radius: 999px; border: 1px solid var(--co-line); background: #fff; color: var(--ps-ink, #0b1324); }
.co-prof__chip.is-on { background: var(--co-deep); border-color: var(--co-deep); color: #fff; }
.co-prof__chip.is-soon { color: var(--ps-ink-3, #64748b); }
.co-prof__chip.is-soon small { margin-left: 4px; font-size: 11px; font-weight: 600; }
.co-prof__chip.is-on.is-soon { color: #fff; }
.co-prof__act { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin-top: 2px; }
#sk .co-prof__act .co-ai__go { padding: 9px 18px; font-size: 14px; }
.co-prof__later { appearance: none; cursor: pointer; font: inherit; font-size: 13.5px; font-weight: 700; color: var(--ps-ink-3, #64748b); background: none; border: 0; min-height: 36px; }
#sk .co-prof__act small { font-size: 12.5px; color: var(--ps-ink-3, #64748b); }
@media (max-width: 640px) { .co-prof { padding: 16px 14px; } }
#sk .sk-dom--soon > summary { opacity: .85; }
@media (max-width: 640px) {
  .co-hub .co-h { font-size: 19px; margin-top: 20px; }
  .co-hub .co-hero { padding: 18px 16px 16px; border-radius: 18px; }
  .co-hub .co-hero__t { font-size: 21px; }
  .co-hub .co-hero__p { font-size: 14.5px; }
  #sk .sk-more__it > summary { padding: 12px 14px; }
  #sk .sk-more__body, #sk .sk-more__body.sk-card { padding: 12px 14px 16px; }
}

/* 2026-10-24 E2.1 오늘의 처방(회기) 영웅 카드: 마침 모양 · 길이 칩 */
#sk .co-hero--done, .co-hero--done { background: var(--co-mist); color: var(--ps-ink, #0b1324); }
#sk .co-hero--done .co-hero__t, .co-hero--done .co-hero__t { color: var(--ps-ink, #0b1324); }
#sk .co-hero--done .co-hero__p, .co-hero--done .co-hero__p { color: var(--ps-ink-2, #334155); }
#sk .co-hero--done .co-hero__m span, .co-hero--done .co-hero__m span { color: var(--ps-ink-3, #64748b); }
.co-hero__note a { color: var(--co-forest-text); font-weight: 700; }
.co-lens { display: flex; align-items: center; gap: 8px; margin: 10px 0 0; max-width: 720px; }
.co-lens small { font-size: 12.5px; color: var(--ps-ink-3, #64748b); margin-right: 2px; }
.co-lens a { flex: 1; text-align: center; padding: 9px 0; border: 1px solid var(--co-line); border-radius: 12px; font-weight: 700; font-size: 13.5px; color: var(--ps-ink-2, #334155); background: #fff; }
.co-lens a:hover { border-color: var(--co-deep); color: var(--co-deep); }

/* 2026-10-24 E2.3: 대안 둘(다른 길) · 이번 주 목표 줄 */
.co-alts { max-width: 720px; margin: 10px 0 0; }
.co-alts > small { display: block; font-size: 12.5px; font-weight: 700; color: var(--ps-ink-3, #64748b); margin: 0 2px 2px; }
.co-alt b { font-size: 14px; }
.co-alt em { font-size: 13px; }
.co-week { max-width: 720px; margin: 12px 2px 0; font-size: 14px; color: var(--ps-ink-2, #334155); }
.co-week b { font-weight: 800; color: var(--ps-ink, #0b1324); }