/* ============================================================
   detail.css — 단계/주제 상세 페이지 공통 레이아웃
   base.css + playbook.css 위에 얹는 상세 페이지 전용 스타일
   ============================================================ */

/* ---- 상세 헤더 ---- */
.detail-hero {
  padding: 56px 0 40px;
  background: linear-gradient(160deg, var(--color-bg) 55%, var(--color-accent-subtle) 100%);
  border-bottom: 1px solid var(--color-border);
}

.crumb {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 22px;
  transition: color var(--transition);
}

.crumb:hover { color: var(--color-accent); }
.crumb svg { width: 16px; height: 16px; }

.detail-head {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.detail-badge {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--color-card-shadow);
}

.detail-badge svg { width: 28px; height: 28px; }

.detail-titles h1 {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-text);
}

.detail-titles .en {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
  margin-top: 4px;
}

.detail-summary {
  max-width: 720px;
  margin-top: 22px;
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ---- 상세 본문 블록 ---- */
.detail-section { padding: 56px 0; }
.detail-section + .detail-section { padding-top: 0; }

.detail-block-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: 6px;
}

.detail-block-title::after {
  content: '';
  display: block;
  width: 34px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  margin-top: 10px;
}

.detail-block-sub {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 26px;
}

.detail-prose {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.85;
  max-width: 760px;
}

.detail-prose + .detail-prose { margin-top: 14px; }

/* 체크리스트형 리스트 (card 안에서도 사용) */
.check-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.check-list li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 12px;
  align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.check-list li::before {
  content: '';
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 6px;
  background: var(--color-accent-subtle);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234f6ef7' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-size: 13px;
  background-position: center;
  background-repeat: no-repeat;
}

.check-list li strong { color: var(--color-text); font-weight: 700; }

/* 2열 정보 카드 */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--color-card-shadow);
}

.info-card h4 {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.info-card h4 svg { width: 19px; height: 19px; color: var(--color-accent); }

.info-card p { font-size: 0.88rem; color: var(--color-text-secondary); line-height: 1.7; }

/* ---- 이전/다음 단계 ---- */
.detail-prevnext {
  display: flex;
  gap: 14px;
  margin: 16px 0 72px;
  flex-wrap: wrap;
}

.pn-link {
  flex: 1 1 220px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px 22px;
  box-shadow: var(--color-card-shadow);
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.18s;
}

.pn-link:hover { border-color: var(--color-accent); box-shadow: var(--color-card-shadow-hover); transform: translateY(-2px); }
.pn-link--next { text-align: right; }

.pn-dir { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-muted); }
.pn-name { font-size: 1.02rem; font-weight: 700; color: var(--color-text); }
.pn-link--disabled { opacity: 0.45; pointer-events: none; }

@media (max-width: 480px) {
  .detail-hero { padding: 40px 0 32px; }
  .detail-badge { width: 52px; height: 52px; font-size: 1.1rem; }
}