/* =========================
   JLPT (base.html 통합용)
   - ✅ 상단메뉴바(topnav) 유지
   - ✅ kana(기초) 영역 CSS 유지 (절대 수정 X)
   - ✅ N5~N1 스타일은 "공통 통합" (jlpt-level-*로만)
   - ✅ 중복/불필요 코드 제거 (n5-nav, jlpt-nav 등 제거)
========================= */

/* ---------- Variables ---------- */
:root{
  --bg:#f3f5f7;
  --card:#ffffff;
  --navy:#0b1f3b;
  --navy2:#12335f;
  --text:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --shadow:0 6px 18px rgba(17,24,39,.06);
  --radius:10px;
}

*{ box-sizing:border-box; }

/* =========================
   JLPT 공통: 컨테이너 폭(좁게)
   (base.html을 쓰는 JLPT 페이지에서 적용)
========================= */
body[data-jlpt="1"] .container{
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 20px;
}

/* 카드 그리드도 같이 안정화 */
body[data-jlpt="1"] .jlpt-grid{
  max-width: 980px;
  margin: 12px auto 0;
}

/* =========================
   JLPT 상단(탭) 메뉴바 스타일 (유지)
   ※ base.html topbar를 쓰는 전제
========================= */
body[data-jlpt="1"] .topnav{
  display:flex;
  gap:26px;
  align-items:center;
  justify-content:center;
  flex:1;
}

body[data-jlpt="1"] .topnav a{
  text-decoration:none;
  color:#4b5563;
  font-weight:700;
  font-size:15px;
  padding:10px 6px;
  border-radius:10px;
}

body[data-jlpt="1"] .topnav a:hover{
  background:#f3f4f6;
  color:#111827;
}

body[data-jlpt="1"] .topnav a.is-active{
  color:#0b1f4b;
  background:#eef2ff;
}

/* =========================
   JLPT 카드/타이포 (N5~N1 공통)
========================= */
.jlpt-card{
  background:#fff;
  border:1px solid #e5e7eb;
  border-radius:14px;
  padding:18px 18px;
  box-shadow:0 8px 20px rgba(0,0,0,.04);
  margin-bottom:14px;
}

.jlpt-h1{
  font-size:22px;
  margin:0 0 8px 0;
  font-weight:800;
  color:#111827;
}

.jlpt-h2{
  font-size:18px;
  margin:0;
  font-weight:800;
  color:#111827;
}

.jlpt-subtext{
  margin:0;
  color:#4b5563;
  line-height:1.7;
  font-size:14px;
}

/* =========================
   ✅ N5~N1 "공통 통합" 메뉴 UI
   - 반드시 HTML에서 아래 클래스만 사용:
     jlpt-level-nav / jlpt-level-nav-item / jlpt-level-nav-title / jlpt-level-nav-desc
========================= */
.jlpt-level-nav{
  display:flex;
  justify-content:center;
  align-items:stretch;
  gap:12px;
  flex-wrap:nowrap;
  width:100%;
}

.jlpt-level-nav-item{
  flex:1;
  max-width:220px;
  min-width:0;
  background:#fff;
  border:1px solid #e5e7eb;
  border-radius:14px;
  padding:16px 14px;
  text-decoration:none;
  color:#111827;
  text-align:center;
  box-shadow:0 6px 16px rgba(0,0,0,.04);

  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:6px;

  transition:transform .08s ease, border-color .12s ease, box-shadow .12s ease;
}

.jlpt-level-nav-item:hover{
  transform:translateY(-2px);
  border-color:#c7d2fe;
  box-shadow:0 10px 22px rgba(0,0,0,.06);
}

.jlpt-level-nav-title{
  font-size:16px;
  font-weight:900;
  color:#0b1f4b;
  line-height:1.2;
}

.jlpt-level-nav-desc{
  font-size:13px;
  color:#6b7280;
  font-weight:600;
  line-height:1.35;
}

/* 준비중 상태 */
.jlpt-level-nav-item.is-disabled{
  opacity:.45;
  cursor:default;
  pointer-events:none;
}

/* 모바일 대응 */
@media (max-width:640px){
  .jlpt-level-nav{ flex-wrap:wrap; }
  .jlpt-level-nav-item{ max-width:none; width:100%; }
}

/* 레이아웃 여백/폭 (선택적으로 wrapper에 사용) */
.jlpt-level-wrap{
  max-width: 880px;
  padding-top: 34px;
  padding-bottom: 56px;
}

/* 큰 화면에서 카드가 너무 꽉 차는 느낌 방지 */
@media (min-width: 992px){
  .jlpt-level-wrap{ padding-left: 18px; padding-right: 18px; }
}

/* 헤더 타이포 (선택적으로 사용) */
.jlpt-level-title{
  font-size: 1.25rem;
  font-weight: 950;
  letter-spacing: -0.3px;
}

.jlpt-level-sub{
  color: var(--muted);
  font-weight: 750;
  margin-top: 6px;
}

/* 문제 번호 배지 (선택적으로 사용) */
.jlpt-level-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  background:#eef2ff;
  border:1px solid #dbeafe;
  color:#1e3a8a;
  font-weight:900;
  font-size:.88rem;
}

/* 버튼 업그레이드 (JLPT 영역에서만 영향) */
body[data-jlpt="1"] .btn{
  border-radius:14px !important;
  font-weight:900 !important;
  padding:10px 14px !important;
}
body[data-jlpt="1"] .btn:hover{
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(15,23,42,.08);
}
body[data-jlpt="1"] .btn:active{
  transform:translateY(0);
  box-shadow:none;
}

/* 하단 버튼 영역 간격 (선택적으로 사용) */
.jlpt-level-actions{
  margin-top:12px;
  padding-top:10px;
  border-top:1px dashed var(--line);
}

/* =========================
   JLPT 단어/예문 박스 스타일 (유지)
========================= */
.jlpt-section-title{
  font-size:20px;
  font-weight:800;
  margin-bottom:4px;
}

.jlpt-section-desc{
  font-size:14px;
  color:#6b7280;
  margin-bottom:14px;
}

.jlpt-word-box{
  background:#fff;
  border:1px solid #e5e7eb;
  border-radius:12px;
  padding:14px 16px;
}

.jlpt-word-row{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 0;
  border-bottom:1px dashed #e5e7eb;
}

.jlpt-word-row:last-child{ border-bottom:none; }

.jlpt-label{
  width:90px;
  font-weight:700;
  color:#374151;
}

.jlpt-value{
  flex:1;
  font-size:15px;
}

.jlpt-value.jp{
  font-size:22px;
  font-weight:900;
  color:#0b1f4b;
}

.jlpt-word-example{
  margin-top:14px;
  padding:14px 16px;
  background:#f9fafb;
  border-radius:12px;
  font-size:14px;
  line-height:1.7;
}

.jlpt-word-example .ko{
  display:block;
  margin-top:6px;
  color:#4b5563;
}

.jlpt-note{
  margin-top:12px;
  padding:12px 14px;
  background:#f1f5f9;
  border-radius:10px;
  font-size:13px;
  color:#475569;
}

/* =========================
   ✅ Kana(기초) CSS: 절대 건드리지 않음 (그대로 유지)
========================= */
.kana-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:12px;
  margin-bottom:12px;
}
.kana-title{
  margin:0;
  font-size:18px;
  font-weight:900;
  color:#0b1f4b;
}
.kana-tip{
  font-size:13px;
  color:#6b7280;
  font-weight:600;
}
.kana-grid{
  display:grid;
  grid-template-columns:repeat(5, minmax(0, 1fr));
  gap:12px;
  align-items:stretch;
}
.kana-cell{
  border:1px solid #e5e7eb;
  border-radius:14px;
  background:#ffffff;
  cursor:pointer;
  user-select:none;

  height:84px;
  padding:10px 10px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:6px;

  transition:transform .06s ease, border-color .12s ease, background .12s ease;
  text-align:center;
}
.kana-char{
  font-size:30px;
  font-weight:950;
  line-height:1;
  height:34px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#111827;
}
.kana-pron{
  font-size:13px;
  font-weight:900;
  color:#6b7280;
  line-height:1;
  height:14px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.kana-cell.is-empty{
  height:84px;
  background:transparent;
  border:1px dashed #e5e7eb;
  cursor:default;
}
.kana-cell:hover{
  background:#f9fafb;
  border-color:#d1d5db;
  transform:translateY(-1px);
}
.kana-cell:active{
  transform:translateY(0);
}
.kana-cell.is-empty:hover{
  transform:none;
  background:transparent;
  border-color:#e5e7eb;
}
@media (max-width:520px){
  .kana-cell{ height:78px; border-radius:12px; }
  .kana-char{ font-size:28px; height:32px; }
}
.kana-mini-list li{ line-height:1.7; }
.kana-mini-list .ex{
  display:block;
  margin-top:4px;
  color:#475569;
  font-size:0.9rem;
}

/* Kana 페이지 소개 카드 텍스트 (유지) */
.jlpt-intro-title{ font-size:18px; font-weight:800; margin:0 0 10px; }
.jlpt-intro-desc{ color:#334155; margin:0 0 12px; line-height:1.7; }
.jlpt-intro-list{ margin:0; padding-left:18px; color:#475569; line-height:1.8; }
.jlpt-intro-tip{ margin-top:12px; color:#64748b; }