/* =========================================================================
 * 천자문 어드벤처: 마법의 팝업 — PREMIUM 스타일
 * 밝은 라이트 테마 + 바이올렛/골드 "마법" 액센트.
 * 한자=명조, UI=산세리프. 정교한 그림자·모션·그라데이션 시스템.
 * ======================================================================= */

:root {
  /* 봉인의 서 카드 배율 — 실제 값은 .challenge-hero 에서 화면 폭별로 재정의된다.
   * 여기 기본값이 있어야 카드 밖에서 .ch-* 를 재사용해도 calc()가 깨지지 않는다. */
  --ch-scale: 1.15;
  --bg: #f5f6fc;
  --surface: #ffffff;
  --surface-2: #f4f5fb;
  --surface-3: #eef0f8;
  --border: #e7e9f4;
  --border-strong: #d8dbeb;
  --text: #1b2030;
  --text-soft: #6b7186;
  --text-faint: #a3a8bd;

  --primary: #6d5efc;
  --primary-dark: #5847e8;
  --primary-soft: #efeefe;
  --violet: #a855f7;
  --gold: #f59e0b;
  --gold-soft: #fff5e3;
  --ink: #1c2030;
  --ink-soft: #565d72;

  --success: #16a34a;
  --success-soft: #e7f7ee;
  --danger: #ef4444;
  --danger-soft: #fdecec;

  --grad-brand: linear-gradient(120deg, #6d5efc 0%, #a855f7 60%, #ec4899 110%);
  --grad-gold: linear-gradient(120deg, #f59e0b, #fbbf24);

  /* 정교한 그림자: 컬러 틴트(보라끼) + 다층 깊이. 위쪽에 미세한 화이트 인셋 하이라이트로 유리/카드 질감 */
  --shadow-xs: 0 1px 2px rgba(28, 25, 70, 0.05);
  --shadow-sm: 0 1px 2px rgba(28, 25, 70, 0.05), 0 3px 8px rgba(28, 25, 70, 0.055);
  --shadow-md: 0 2px 6px rgba(28, 25, 70, 0.06), 0 8px 20px rgba(28, 25, 70, 0.08), 0 16px 36px rgba(28, 25, 70, 0.05);
  --shadow-lg: 0 6px 16px rgba(24, 20, 60, 0.14), 0 20px 44px rgba(24, 20, 60, 0.16), 0 36px 80px rgba(24, 20, 60, 0.12);
  --shadow-primary: 0 6px 16px rgba(109, 94, 252, 0.32), 0 12px 28px rgba(109, 94, 252, 0.18);
  --hairline: inset 0 1px 0 rgba(255, 255, 255, 0.9);

  --ring: 0 0 0 3px rgba(109, 94, 252, 0.35);

  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 26px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* tap-highlight: 모바일에서 보기를 탭할 때마다 파란 사각형이 번쩍인다.
 * 나머지 5개 스타일시트(랜딩·고전 4종)엔 이미 있고 여기만 빠져 있었다. */
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

/* 퀴즈 중 빠르게 연타하면 보기 텍스트가 선택되고 iOS는 복사 메뉴를 띄운다.
 * 읽는 영역(해설·도감 텍스트)은 선택이 필요하므로 조작 요소만 잠근다. */
.option, .nav button, .btn, .stage, .card-slot, .chapter-header, .ch-diff, .ch-speed, .ch-reset {
  -webkit-user-select: none; user-select: none;
}

/* 접근성: 키보드 포커스에만 또렷한 링 (마우스 클릭엔 없음) */
:where(button, [tabindex], a):focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

/* 텍스트 선택 색 — 브랜드 톤 */
::selection { background: rgba(109, 94, 252, 0.22); color: var(--ink); }

/* 스크롤바 (Webkit) */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-thumb {
  background: var(--border-strong); border-radius: 999px;
  border: 3px solid var(--bg); background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: #c2c6dc; background-clip: padding-box; }
::-webkit-scrollbar-track { background: transparent; }

body {
  font-family: 'Pretendard Variable', 'Pretendard', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--text);
  line-height: 1.58;
  letter-spacing: -0.018em;
  word-break: keep-all;
  min-height: 100vh;
  min-height: 100dvh;   /* 모바일 주소창이 접힐 때 높이가 튀는 것 방지 (미지원 브라우저는 위 줄 사용) */
  background:
    radial-gradient(1100px 560px at 92% -8%, #eceafe 0%, transparent 55%),
    radial-gradient(900px 520px at -8% 108%, #fdeef6 0%, transparent 52%),
    radial-gradient(700px 400px at 50% 50%, #fbfbff 0%, transparent 70%),
    var(--bg);
  background-attachment: fixed;
  display: flex;
  justify-content: center;
  padding: 28px 18px 64px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
}

/* 명조(한자) 공통 — 또렷한 획 렌더링 */
.ep-combo, .c-char, .char-box, .l-char, .combo-phrase, .w-char {
  font-feature-settings: 'palt' 1;
  -webkit-font-smoothing: auto;
}

.app { width: 100%; max-width: 1240px; position: relative; z-index: 1; }

/* 배경에 떠다니는 마법 오브 */
body::before, body::after {
  content: ''; position: fixed; border-radius: 50%;
  z-index: 0; filter: blur(70px); opacity: 0.55; pointer-events: none;
}
body::before {
  width: 360px; height: 360px; top: -90px; left: -70px;
  background: radial-gradient(circle, #cdc6ff, transparent 70%);
  animation: float1 19s ease-in-out infinite;
}
body::after {
  width: 320px; height: 320px; bottom: -80px; right: -50px;
  background: radial-gradient(circle, #ffd4ec, transparent 70%);
  animation: float2 23s ease-in-out infinite;
}
@keyframes float1 { 0%,100% { transform: translate(0,0) scale(1);} 50% { transform: translate(46px,34px) scale(1.08);} }
@keyframes float2 { 0%,100% { transform: translate(0,0) scale(1);} 50% { transform: translate(-44px,-30px) scale(1.1);} }
@media (prefers-reduced-motion: reduce) {
  body::before, body::after { animation: none; }
  * { animation-duration: 0.001ms !important; }
}

/* =========================================================================
 * 헤더 / 게임 HUD
 * ======================================================================= */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px 22px;
  box-shadow: var(--shadow-md), var(--hairline);
  margin-bottom: 18px;
}

.brand { display: flex; align-items: center; gap: 14px; }
.logo {
  width: 48px; height: 48px; flex-shrink: 0;
  display: grid; place-items: center;
  font-size: 1.5rem;
  border-radius: 14px;
  background: var(--grad-brand);
  box-shadow: var(--shadow-primary);
}
.brand-text h1 {
  font-size: 1.35rem; font-weight: 900; letter-spacing: -0.6px; line-height: 1.1;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand-text .sub { font-size: 0.74rem; color: var(--violet); font-weight: 700; letter-spacing: 1px; }

.hud { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.hud-level { display: flex; align-items: center; gap: 12px; }
.rank-badge {
  background: var(--grad-brand);
  color: #fff;
  padding: 8px 16px; border-radius: 999px;
  font-size: 0.82rem; font-weight: 800; letter-spacing: 0.3px;
  box-shadow: var(--shadow-primary);
  white-space: nowrap;
}
.level-block { min-width: 150px; }
.level-line {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 0.72rem; margin-bottom: 5px;
}
#level-label { font-weight: 800; color: var(--text); }
#exp-label { color: var(--text-faint); font-weight: 600; }
.xpbar {
  height: 8px; border-radius: 999px;
  background: var(--surface-3);
  overflow: hidden;
}
.xpbar-fill {
  height: 100%; width: 0%;
  border-radius: 999px;
  background: var(--grad-gold);
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
  transition: width 0.6s var(--ease);
  position: relative;
}
.xpbar-fill::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
  transform: translateX(-100%);
  animation: shine 2.4s ease-in-out infinite;
}
@keyframes shine { 0%,60% { transform: translateX(-100%);} 100% { transform: translateX(220%);} }

.hud-stats { display: flex; gap: 8px; }
.stat {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.85rem; font-weight: 600; color: var(--text-soft);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 8px 13px; border-radius: 999px;
}
.stat b { color: var(--text); font-weight: 800; }

/* =========================================================================
 * 탭 네비게이션
 * ======================================================================= */
.nav { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; align-items: center; }
.nav button {
  font-family: inherit; font-size: 0.9rem; font-weight: 700;
  padding: 10px 18px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-soft);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  box-shadow: var(--shadow-xs);
}
.nav button:hover { color: var(--text); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.nav button:active { transform: translateY(0) scale(0.97); transition-duration: 0.06s; }
.nav button.active {
  background: var(--ink); color: #fff; border-color: var(--ink);
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.12);
}
.nav #btn-reset { box-shadow: none; font-weight: 600; color: var(--text-faint); }
.nav #btn-reset:hover { color: var(--danger); }

/* =========================================================================
 * 패널 공통
 * ======================================================================= */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: var(--shadow-md), var(--hairline);
  min-height: 460px;
  animation: panelIn 0.45s var(--ease-out);
}
@keyframes panelIn { 0% { opacity: 0; transform: translateY(10px) scale(0.995);} 100% { opacity: 1; transform: none;} }
.panel.hidden { display: none; }
.panel h2 { font-size: 1.28rem; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 8px; }
.panel .hint { color: var(--text-soft); font-size: 0.88rem; line-height: 1.6; margin-bottom: 24px; max-width: 62ch; }

/* 월드맵 상단 헤더 + 전체 토글 */
.map-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.btn-sm { padding: 8px 14px; font-size: 0.82rem; font-weight: 700; flex-shrink: 0; }

/* 전체 진행 요약 바 (월드맵 상단) */
.map-progress {
  display: flex; align-items: center; gap: 14px;
  background: linear-gradient(120deg, var(--primary-soft), #fbeefb);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px 18px; margin-bottom: 24px;
}
.map-progress .mp-label { font-size: 0.82rem; font-weight: 700; color: var(--primary-dark); white-space: nowrap; }
.map-progress .mp-bar { flex: 1; height: 10px; border-radius: 999px; background: #fff; overflow: hidden; box-shadow: inset 0 1px 3px rgba(0,0,0,0.06); }
.map-progress .mp-fill { height: 100%; border-radius: 999px; background: var(--grad-brand); transition: width 0.6s var(--ease); }
.map-progress .mp-count { font-size: 0.82rem; font-weight: 800; color: var(--text); white-space: nowrap; }

/* =========================================================================
 * 월드맵
 * ======================================================================= */
.chapter-group {
  margin-bottom: 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.chapter-header {
  width: 100%; display: flex; align-items: center; gap: 14px;
  padding: 16px 18px;
  background: transparent; border: none; cursor: pointer;
  font-family: inherit; text-align: left;
  transition: background 0.15s;
}
.chapter-header:hover { background: var(--surface-2); }
.ch-title {
  font-size: 0.96rem; font-weight: 800; color: var(--text);
  display: flex; align-items: center; gap: 9px; white-space: nowrap;
}
.ch-title em {
  font-style: normal; font-size: 0.64rem; font-weight: 800; color: #fff;
  background: var(--grad-brand); padding: 3px 9px; border-radius: 999px; letter-spacing: 0.3px;
}
.ch-progress { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.ch-bar { width: 130px; height: 8px; border-radius: 999px; background: var(--surface-3); overflow: hidden; }
.ch-bar i { display: block; height: 100%; border-radius: 999px; background: var(--grad-brand); transition: width 0.6s var(--ease); }
.ch-count { font-size: 0.78rem; font-weight: 800; color: var(--text-soft); min-width: 32px; text-align: right; }
.ch-chevron { font-size: 0.85rem; color: var(--text-faint); transition: transform 0.3s var(--ease); }
.chapter-group.collapsed .ch-chevron { transform: rotate(-90deg); }
.chapter-body { padding: 2px 18px 20px; }
.chapter-group.collapsed .chapter-body { display: none; }
.chapter-group.ch-current { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary), var(--shadow-md); }
.chapter-group.ch-locked .ch-title { color: var(--text-faint); }
.chapter-group.ch-locked .ch-bar i { background: var(--border-strong); }
.stage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(162px, 1fr));
  gap: 13px;
}
.stage {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px 16px 18px;
  text-align: center;
  cursor: pointer;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), border-color 0.22s;
  box-shadow: var(--shadow-sm);
  animation: stageIn 0.5s var(--ease) backwards;
  overflow: hidden;
}
.stage::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(120px 70px at 50% -10%, rgba(109,94,252,0.08), transparent 70%);
  opacity: 0; transition: opacity 0.3s;
}
.stage:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.stage:not(.locked):active { transform: translateY(-1px) scale(0.985); transition-duration: 0.07s; }
.stage:hover::before { opacity: 1; }
.stage .ep-no { font-size: 0.72rem; color: var(--text-faint); font-weight: 600; }
.stage .ep-combo {
  font-family: 'Noto Serif KR', serif; font-weight: 700;
  font-size: 1.72rem; letter-spacing: 2px; margin: 12px 0 8px; color: var(--ink);
  position: relative;
  white-space: nowrap;          /* 4자를 한 줄로 */
}
.stage .ep-title { font-size: 0.87rem; font-weight: 600; color: var(--text); }
.stage .ep-status {
  font-size: 0.74rem; margin-top: 14px; font-weight: 700; color: var(--text-soft);
  display: inline-block; padding: 4px 10px; border-radius: 999px; background: var(--surface-2);
}

.stage.locked { cursor: not-allowed; background: var(--surface-2); box-shadow: none; }
.stage.locked .ep-combo { color: #cbcfe0; filter: blur(0.4px); }
.stage.locked .ep-title, .stage.locked .ep-no { color: #bcc0d2; }
.stage.locked:hover { transform: none; box-shadow: none; border-color: var(--border); }
.stage.locked:hover::before { opacity: 0; }
.stage.locked::after {
  content: '🔒'; position: absolute; top: 13px; right: 13px; font-size: 0.95rem; opacity: 0.65;
}
.stage.cleared { border-color: #c4e9d2; background: linear-gradient(180deg, #ffffff, #f1fbf5); }
.stage.cleared .ep-status { color: var(--success); background: var(--success-soft); }
.stage.current {
  border-color: transparent;
  box-shadow: 0 0 0 2px var(--primary), var(--shadow-md);
  animation: stageIn 0.5s var(--ease) backwards, currentBreath 2.8s ease-in-out 0.6s infinite;
}
.stage.current .ep-status { color: #fff; background: var(--primary); }
.stage.current::after {
  content: 'NOW'; position: absolute; top: 11px; right: 11px;
  font-size: 0.58rem; font-weight: 800; letter-spacing: 0.5px; color: #fff;
  background: var(--grad-brand); padding: 3px 7px; border-radius: 999px;
}

.progress-pips { display: flex; gap: 5px; justify-content: center; margin-top: 13px; }
.pip { width: 9px; height: 9px; border-radius: 50%; background: var(--surface-3); border: 1px solid var(--border); transition: all 0.3s var(--ease); }
.pip.done { background: var(--success); border-color: var(--success); box-shadow: 0 0 6px rgba(22,163,74,0.4); }

/* =========================================================================
 * 카드 도감 — 수집 요약 헤더
 * ======================================================================= */
.collection-summary {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  background: linear-gradient(120deg, var(--primary-soft), #fbeefb);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 20px; margin-bottom: 24px;
  box-shadow: var(--hairline);
}
/* 원형 진행률 링 (conic-gradient) */
.cs-ring {
  --p: 0;
  width: 72px; height: 72px; flex-shrink: 0; border-radius: 50%;
  display: grid; place-items: center;
  background:
    radial-gradient(closest-side, #fff 78%, transparent 79% 100%),
    conic-gradient(var(--primary) calc(var(--p) * 1%), var(--surface-3) 0);
  box-shadow: var(--shadow-sm);
}
.cs-pct { font-size: 1.18rem; font-weight: 900; color: var(--primary-dark); letter-spacing: -0.5px; }
.cs-pct small { font-size: 0.62rem; font-weight: 800; }
.cs-info { flex: 1; min-width: 180px; display: flex; flex-direction: column; gap: 7px; }
.cs-count { font-size: 0.95rem; color: var(--text-soft); }
.cs-count b { font-size: 1.15rem; font-weight: 900; color: var(--text); }
.cs-bar { height: 8px; border-radius: 999px; background: #fff; overflow: hidden; box-shadow: inset 0 1px 3px rgba(0,0,0,0.07); }
.cs-bar i { display: block; height: 100%; border-radius: 999px; background: var(--grad-brand); transition: width 0.7s var(--ease-out); }
.cs-rank { font-size: 0.8rem; color: var(--text-soft); }
.cs-rank b { color: var(--primary-dark); font-weight: 800; }
.cs-filter { display: inline-flex; background: rgba(255,255,255,0.7); border: 1px solid var(--border); border-radius: 999px; padding: 3px; gap: 2px; }
.cs-filter button {
  font-family: inherit; font-size: 0.8rem; font-weight: 700; color: var(--text-soft);
  border: none; background: transparent; padding: 7px 15px; border-radius: 999px; cursor: pointer;
  transition: color 0.15s, background 0.15s, box-shadow 0.15s;
}
.cs-filter button:hover { color: var(--text); }
.cs-filter button.on { background: var(--surface); color: var(--primary-dark); box-shadow: var(--shadow-xs); }

/* =========================================================================
 * 카드 도감 (홀로그래픽)
 * ======================================================================= */
.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 16px;
}

/* 유아 도감의 주제 머리글 — 92자를 한 판에 늘어놓으면 글자 더미가 된다.
 * 배우는 순서(숫자 → 자연 → …)대로 끊어주고 묶음별 달성도를 함께 보인다. */
.tod-group {
  display: flex; align-items: baseline; gap: 10px;
  margin: 26px 0 12px; padding-bottom: 8px;
  border-bottom: 1px dashed var(--border-strong);
}
.tod-group:first-of-type { margin-top: 14px; }
.tod-group b { font-size: 1rem; font-weight: 800; color: var(--ink); letter-spacing: -0.01em; }
.tod-group span {
  margin-left: auto; font-size: 0.78rem; font-weight: 800; color: var(--primary-dark);
  background: var(--primary-soft); padding: 3px 10px; border-radius: 999px;
}
.card-slot {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: linear-gradient(165deg, #ffffff 0%, #f5f6ff 60%, #fdf2fb 100%);
  cursor: pointer;
  transition: transform 0.22s var(--ease), box-shadow 0.22s;
  box-shadow: var(--shadow-sm);
  animation: cardIn 0.42s var(--ease) backwards;
  overflow: hidden;
}
.card-slot::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(168,85,247,0.14) 45%, rgba(245,158,11,0.14) 55%, transparent 70%);
  transform: translateX(-120%); transition: transform 0.7s var(--ease);
}
.card-slot:hover { transform: translateY(-6px) scale(1.03); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.card-slot:active { transform: translateY(-2px) scale(1.0); transition-duration: 0.08s; }
.card-slot:hover::after { transform: translateX(120%); }
.card-slot.empty {
  background: var(--surface-2); border-style: dashed; box-shadow: none;
  cursor: default; font-size: 1.6rem; color: var(--text-faint);
}
.card-slot.empty::after { display: none; }
.card-slot.empty:hover { transform: none; box-shadow: none; }
.card-slot .c-char { font-family: 'Noto Serif KR', serif; font-weight: 700; font-size: 3rem; color: var(--ink); position: relative; }
.card-slot .c-read { font-size: 0.85rem; font-weight: 700; margin-top: 10px; color: var(--text-soft); position: relative; }

/* =========================================================================
 * 오답노트
 * ======================================================================= */
.wrong-list { display: flex; flex-direction: column; gap: 12px; }
.wrong-item {
  display: flex; align-items: center; gap: 16px;
  background: var(--surface);
  border: 1px solid var(--danger-soft);
  border-left: 4px solid var(--danger);
  border-radius: var(--r-md);
  padding: 15px 18px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s var(--ease), box-shadow 0.2s;
}
.wrong-item:hover { transform: translateX(3px); box-shadow: var(--shadow-md); }
.wrong-item .w-char { font-family: 'Noto Serif KR', serif; font-weight: 700; font-size: 2.1rem; color: var(--danger); }
.wrong-item .w-info { flex: 1; }
.wrong-item .w-info b { font-size: 1rem; font-weight: 800; }
.wrong-item .w-info span { display: block; font-size: 0.8rem; color: var(--text-soft); margin-top: 2px; }

/* =========================================================================
 * 버튼
 * ======================================================================= */
.btn {
  font-family: inherit; font-size: 0.92rem; font-weight: 800;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  cursor: pointer;
  background: var(--primary); color: #fff;
  transition: transform 0.14s var(--ease), box-shadow 0.2s, background 0.2s, filter 0.2s;
  box-shadow: var(--shadow-primary), inset 0 1px 0 rgba(255,255,255,0.22);
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.05); box-shadow: 0 10px 26px rgba(109,94,252,0.45), inset 0 1px 0 rgba(255,255,255,0.22); }
.btn:active { transform: translateY(0) scale(0.97); filter: brightness(0.98); transition-duration: 0.06s; }
.btn.ghost {
  background: var(--surface); border-color: var(--border-strong); color: var(--text-soft);
  box-shadow: var(--shadow-xs);
}
.btn.ghost:hover { background: var(--surface-2); color: var(--text); box-shadow: var(--shadow-sm); }
.btn.crimson { background: var(--danger); box-shadow: 0 8px 22px rgba(239,68,68,0.32); }
.btn.crimson:hover { box-shadow: 0 10px 26px rgba(239,68,68,0.42); }
.empty-note { color: var(--text-soft); text-align: center; padding: 64px 0; font-size: 0.95rem; }

/* =========================================================================
 * 마법 팝업 (퀴즈 / 해설 / 콤보)
 * ======================================================================= */
/* 내용이 화면보다 길면(예: 사자성어 6개가 붙는 세트 결과) 오버레이가 스크롤된다.
 * align-items:center 로 중앙 정렬하면 넘칠 때 위쪽이 잘려 도달 불가 → flex-start + margin:auto.
 * (auto 마진은 여유 공간이 음수면 0으로 계산되므로, 들어갈 땐 중앙 / 넘칠 땐 위 기준.) */
.overlay {
  position: fixed; inset: 0;
  background: rgba(18, 20, 42, 0.5);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: flex; align-items: flex-start; justify-content: center;
  overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch;
  z-index: 100; padding: 16px;
  animation: overlayIn 0.25s ease;
}
@keyframes overlayIn { from { opacity: 0; } to { opacity: 1; } }
.overlay.hidden { display: none; }

.popup {
  width: 100%; max-width: 450px;
  margin: auto; /* 세로·가로 중앙 정렬 (넘칠 땐 자동으로 0이 되어 상단부터 스크롤) */
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg), var(--hairline);
  padding: 30px 28px;
  position: relative;
  animation: popIn 0.45s var(--ease-out);
}
/* 그라데이션 글로우 보더 */
.popup::before {
  content: ''; position: absolute; inset: -2px; z-index: -1;
  border-radius: calc(var(--r-lg) + 2px);
  background: var(--grad-brand);
  opacity: 0.5; filter: blur(8px);
}
@keyframes popIn {
  0% { transform: scale(0.85) translateY(14px); opacity: 0; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}

/* 연출 대기 중 '탭하면 건너뛰기' 힌트 — 레이아웃을 밀지 않도록 패딩 안쪽에 절대배치 */
.popup.awaiting::after {
  content: '탭하거나 아무 키나 누르면 바로 넘어가요';
  position: absolute; left: 0; right: 0; bottom: 9px;
  text-align: center; font-size: 0.66rem; font-weight: 600;
  color: var(--text-faint); pointer-events: none;
  animation: skipHintIn 0.45s var(--ease) 0.3s both;
}
@keyframes skipHintIn { from { opacity: 0; } to { opacity: 0.95; } }

.popup-head {
  text-align: center; font-size: 0.78rem; font-weight: 700;
  color: var(--text-soft); margin-bottom: 6px; letter-spacing: 0.4px;
}

/* 한자 박스 + 마법진 글로우 */
.char-stage { text-align: center; margin: 16px 0 24px; position: relative; }
.char-box {
  font-family: 'Noto Serif KR', serif; font-weight: 700;
  display: inline-block;
  font-size: 5.6rem; line-height: 1; color: var(--ink);
  padding: 24px 40px; border-radius: var(--r-md);
  background: radial-gradient(circle at 50% 35%, #ffffff, #f1f0ff 80%);
  border: 1px solid var(--primary-soft);
  position: relative; z-index: 1;
  box-shadow: 0 8px 26px rgba(109,94,252,0.14);
}
.char-box.flash { animation: flash 0.7s var(--ease); }
@keyframes flash {
  0% { transform: scale(0.65) rotate(-4deg); box-shadow: 0 0 0 0 rgba(109,94,252,0); filter: brightness(1.5); }
  45% { box-shadow: 0 0 0 16px rgba(109,94,252,0.16); }
  100% { transform: scale(1) rotate(0); box-shadow: 0 8px 26px rgba(109,94,252,0.14); filter: brightness(1); }
}

.options { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.option {
  position: relative;
  font-family: inherit; font-size: 1rem; font-weight: 700;
  padding: 16px 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: transform 0.12s var(--ease), background 0.15s, border-color 0.15s, box-shadow 0.15s;
  box-shadow: var(--shadow-xs);
  animation: optionIn 0.38s var(--ease) backwards;
}
.option:hover:not(:disabled) { transform: translateY(-3px); border-color: var(--primary); background: var(--primary-soft); box-shadow: var(--shadow-md); }
.option:active:not(:disabled) { transform: translateY(-1px) scale(0.98); transition-duration: 0.06s; }
.option:disabled { cursor: default; }
.option:disabled:not(.correct):not(.wrong) { opacity: 0.55; }
.option.correct { background: var(--success); color: #fff; border-color: var(--success); animation: correctPulse 0.5s; box-shadow: 0 8px 20px rgba(22,163,74,0.35); }
.option.wrong { background: var(--danger); color: #fff; border-color: var(--danger); animation: shake 0.4s; }
.opt-num {
  position: absolute; top: 7px; left: 9px;
  width: 18px; height: 18px; border-radius: 6px; display: grid; place-items: center;
  font-size: 0.66rem; font-weight: 800; color: var(--primary-dark);
  background: var(--primary-soft); border: 1px solid #ddd9fb;
}
.option.correct .opt-num, .option.wrong .opt-num { background: rgba(255,255,255,0.28); color: #fff; border-color: transparent; }
@keyframes correctPulse { 0%,100% { transform: scale(1);} 50% { transform: scale(1.07);} }
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%,60% { transform: translateX(-7px); }
  40%,80% { transform: translateX(7px); }
}
.popup.shake { animation: shake 0.45s; }

/* 공격 연출 */
.attack-flash {
  position: absolute; inset: 0; border-radius: var(--r-lg);
  background: radial-gradient(circle, rgba(109,94,252,0.45), transparent 70%);
  pointer-events: none; opacity: 0;
}
.attack-flash.go { animation: attack 0.5s ease-out; }
@keyframes attack { 0% { opacity: 0; transform: scale(0.6);} 50% { opacity: 1;} 100% { opacity: 0; transform: scale(1.3);} }

/* ---------- 해설 탭 ---------- */
.lore { animation: fadeUp 0.45s var(--ease); }
@keyframes fadeUp { 0% { opacity: 0; transform: translateY(14px);} 100% { opacity: 1; transform: translateY(0);} }
.lore-head { text-align: center; margin-bottom: 14px; }
.lore-head .l-char {
  font-family: 'Noto Serif KR', serif; font-weight: 700; font-size: 3.6rem;
  background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lore-head .l-read { font-size: 1.3rem; font-weight: 800; margin-top: 4px; letter-spacing: 1px; }
.lore-meta { display: flex; justify-content: center; align-items: center; gap: 10px; font-size: 0.78rem; color: var(--text-soft); margin-bottom: 20px; }
.lore-meta span { background: var(--surface-2); padding: 5px 11px; border-radius: 999px; font-weight: 600; }
.lore-section { margin-bottom: 16px; }
.lore-section h4 { font-size: 0.8rem; font-weight: 800; color: var(--primary-dark); margin-bottom: 8px; letter-spacing: 0.3px; }
.lore-section p { font-size: 0.93rem; line-height: 1.7; color: var(--text); }
.vocab { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.vocab li { background: var(--surface-2); border-radius: var(--r-sm); padding: 10px 14px; font-size: 0.9rem; border: 1px solid var(--border); }
.vocab li b { color: var(--text); font-weight: 800; }
.vocab li span { color: var(--text-soft); }
.lore-actions { display: flex; gap: 10px; margin-top: 22px; }
.lore-actions .btn { flex: 1; }

.card-earned {
  text-align: center; font-size: 0.84rem; font-weight: 700; color: var(--success);
  background: var(--success-soft); padding: 11px; border-radius: var(--r-sm);
  margin: 12px 0 4px; animation: fadeUp 0.5s 0.15s both;
}

/* ---------- 콤보 연출 ---------- */
.combo { text-align: center; animation: fadeUp 0.5s; padding: 8px 0; }
.combo .combo-banner { font-size: 0.82rem; font-weight: 800; color: var(--gold); letter-spacing: 3px; margin-bottom: 12px; }
.combo .combo-phrase {
  font-family: 'Noto Serif KR', serif; font-weight: 700;
  font-size: 3.1rem; letter-spacing: 9px; margin: 14px 0;
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: comboGlow 1s var(--ease);
}
@keyframes comboGlow {
  0% { transform: scale(0.55); opacity: 0; }
  60% { transform: scale(1.08); }
  100% { transform: scale(1); opacity: 1; }
}
.combo .combo-read {
  display: flex; justify-content: center; gap: 1.05rem;
  font-weight: 700; font-size: 1.12rem; letter-spacing: 0.5px;
  color: var(--violet); margin: -4px 0 16px;
}
.combo .combo-trans { font-size: 1.08rem; font-weight: 500; margin-bottom: 22px; color: var(--text); }
.combo .combo-reward { display: flex; justify-content: center; gap: 12px; margin-bottom: 24px; }
.combo .combo-reward span {
  background: var(--gold-soft); border: 1px solid #f6e2bd;
  padding: 11px 20px; border-radius: var(--r-sm);
  font-size: 0.95rem; font-weight: 700;
}
.combo .combo-reward b { color: var(--gold); }

/* ---------- 토스트 ---------- */
.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%) translateY(12px);
  background: var(--ink); color: #fff;
  padding: 14px 26px; border-radius: 999px; font-size: 0.9rem; font-weight: 700;
  box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; transition: opacity 0.3s, transform 0.3s var(--ease); z-index: 200;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* =========================================================================
 * 동적 등장 / 강조 애니메이션
 * ======================================================================= */
@keyframes stageIn { from { opacity: 0; transform: translateY(16px) scale(0.97); } to { opacity: 1; transform: none; } }
@keyframes cardIn { from { opacity: 0; transform: translateY(14px) scale(0.95); } to { opacity: 1; transform: none; } }
@keyframes optionIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes currentBreath {
  0%, 100% { box-shadow: 0 0 0 2px var(--primary), var(--shadow-md); }
  50% { box-shadow: 0 0 0 6px rgba(109, 94, 252, 0.22), var(--shadow-md); }
}
.stat.bump { animation: bump 0.45s var(--ease); }
@keyframes bump { 0%, 100% { transform: scale(1); } 40% { transform: scale(1.16); } }
.rank-badge.bump { animation: bump 0.5s var(--ease); }

/* =========================================================================
 * 반응형 — 태블릿 / 모바일
 * ======================================================================= */
@media (max-width: 720px) {
  .stage-grid { grid-template-columns: repeat(auto-fill, minmax(162px, 1fr)); }
}

@media (max-width: 560px) {
  /* 노치/홈 인디케이터 기기: 가로 모드에서 좌우가 잘리고
   * 세로 모드에서 하단 바가 마지막 버튼을 덮는다. */
  body {
    padding: 16px 12px 44px; overflow-x: hidden;
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
    padding-bottom: calc(44px + env(safe-area-inset-bottom));
  }

  /* 헤더 / HUD: 두 줄로 자연스럽게 */
  .topbar { gap: 14px; padding: 14px 16px; }
  .brand { gap: 11px; }
  .logo { width: 42px; height: 42px; font-size: 1.3rem; }
  .brand-text h1 { font-size: 1.18rem; }
  .hud { width: 100%; gap: 12px; }
  /* flex:1 로만 두면 390px 폭에서 레벨 바가 62px 로 짜부라져
   * 'Lv.1' 과 '0 / 50 XP' 가 겹쳐 'Lv.10' 처럼 읽힌다.
   * 폭에 관계없이 레벨 줄을 항상 한 줄 차지하게 만든다. */
  .hud-level { flex: 1 0 100%; }
  .level-block { flex: 1; min-width: 0; }
  .hud-stats { flex-shrink: 0; }

  /* 탭: 가로 스크롤로 한 줄 유지 */
  .nav { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }
  .nav::-webkit-scrollbar { display: none; }
  /* 터치 타깃 최소 44px (iOS HIG / Android 48dp) — 기존 38px 는 오탭이 잦다 */
  .nav button { flex-shrink: 0; padding: 9px 15px; font-size: 0.86rem; min-height: 44px; }

  .panel { padding: 20px 16px; min-height: 0; }
  .panel h2 { font-size: 1.12rem; }

  /* 월드맵: 2열 고정 + 콤보 한자 축소 */
  .stage-grid { grid-template-columns: 1fr 1fr; gap: 11px; }
  .stage { padding: 16px 10px 14px; }
  .stage .ep-combo { font-size: 1.55rem; letter-spacing: 2px; }
  .stage .ep-title { font-size: 0.8rem; }
  .stage .ep-status { font-size: 0.68rem; }

  .map-progress { padding: 12px 14px; gap: 10px; }
  .map-progress .mp-label { font-size: 0.74rem; }
  .map-progress .mp-count { font-size: 0.76rem; }

  /* 장 아코디언 헤더 압축 */
  .chapter-header { padding: 14px 14px; gap: 10px; }
  .ch-title { font-size: 0.86rem; gap: 7px; }
  .ch-title em { font-size: 0.58rem; padding: 2px 7px; }
  .ch-bar { width: 64px; }
  .ch-count { font-size: 0.72rem; min-width: 26px; }
  .chapter-body { padding: 2px 12px 14px; }

  /* 도감 */
  .collection-summary { gap: 14px; padding: 15px 16px; }
  .cs-ring { width: 60px; height: 60px; }
  .cs-pct { font-size: 1rem; }
  .cs-filter { width: 100%; justify-content: center; order: 3; }
  .cs-info { min-width: 0; }
  .collection-grid { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 11px; }
  .card-slot .c-char { font-size: 2.3rem; }
  .card-slot .c-read { font-size: 0.78rem; }

  /* 팝업 */
  .popup { padding: 24px 18px; }
  .char-box { font-size: 4.2rem; padding: 18px 26px; }
  .options { gap: 9px; }
  .option { padding: 14px 6px; font-size: 0.95rem; }
  .lore-head .l-char { font-size: 3.1rem; }
  .combo .combo-phrase { font-size: 2.3rem; letter-spacing: 5px; }
  .combo .combo-reward { flex-wrap: wrap; }
}

@media (max-width: 360px) {
  .stage .ep-combo { font-size: 1.35rem; letter-spacing: 1px; }
  .option { font-size: 0.88rem; }
}

/* =========================================================================
 * 봉인의 서 — 인카운터 연출 & 챌린지 UI
 * ======================================================================= */

/* ---------- 인카운터: 마법진 + 붓 획 등장 ---------- */
.char-stage.encounter { min-height: 176px; display: grid; place-items: center; margin: 10px 0 22px; }
.char-stage.encounter .char-box { grid-area: 1 / 1; }
.seal-ring {
  grid-area: 1 / 1;
  width: 224px; height: 224px; border-radius: 50%;
  pointer-events: none; z-index: 0; opacity: 0.55;
  background: conic-gradient(from 0deg,
    transparent 0 10deg, var(--realm-r1, rgba(109,94,252,0.42)) 10deg 14deg,
    transparent 14deg 28deg, var(--realm-r2, rgba(168,85,247,0.30)) 28deg 30deg, transparent 30deg 46deg);
  -webkit-mask: radial-gradient(circle, transparent 0 62%, #000 63% 70%, transparent 71%);
          mask: radial-gradient(circle, transparent 0 62%, #000 63% 70%, transparent 71%);
  animation: ringspin 11s linear infinite;
}
.seal-ring.inner {
  width: 158px; height: 158px; opacity: 0.5;
  background: conic-gradient(from 0deg,
    transparent 0 16deg, var(--realm-r3, rgba(245,158,11,0.5)) 16deg 20deg, transparent 20deg 40deg);
  -webkit-mask: radial-gradient(circle, transparent 0 58%, #000 60% 72%, transparent 73%);
          mask: radial-gradient(circle, transparent 0 58%, #000 60% 72%, transparent 73%);
  animation: ringspin 8s linear infinite reverse;
}
@keyframes ringspin { to { transform: rotate(360deg); } }

/* 붓으로 위→아래로 그어지듯 등장 */
.char-box.brush-in { animation: brushReveal 0.62s var(--ease-out) both; }
@keyframes brushReveal {
  0%   { clip-path: inset(0 0 100% 0); filter: blur(7px) brightness(1.7); transform: scale(0.9); opacity: 0; }
  55%  { filter: blur(0.5px) brightness(1.12); opacity: 1; }
  100% { clip-path: inset(0 0 0 0); filter: none; transform: scale(1); opacity: 1; }
}
/* ---------- 문제 유형별 스테이지 ---------- */
/* 새 유형의 스테이지 박스도 char-box와 같은 자리·같은 등장 연출을 쓴다. */
.char-stage.encounter .q-box { grid-area: 1 / 1; }
.q-box.brush-in { animation: brushReveal 0.62s var(--ease-out) both; }

.reading-box, .word-box, .phrase-box {
  display: inline-block; line-height: 1.15; color: var(--ink);
  border-radius: var(--r-md); position: relative; z-index: 1;
  background: radial-gradient(circle at 50% 35%, #ffffff, #f1f0ff 80%);
  border: 1px solid var(--primary-soft);
  box-shadow: 0 8px 26px rgba(109,94,252,0.14);
}
/* 훈음 → 한자: 스테이지엔 한글 훈음이 오므로 산세리프 */
.reading-box { font-size: 2.4rem; font-weight: 900; padding: 22px 30px; letter-spacing: -0.02em; }
/* 단어·구절 빈칸: 한자이므로 명조 */
.word-box, .phrase-box { font-family: 'Noto Serif KR', serif; font-weight: 700; }
.word-box { font-size: 3.3rem; padding: 20px 26px; letter-spacing: 5px; }
.phrase-box { font-size: 2.7rem; padding: 20px 22px; letter-spacing: 4px; }
/* 가려진 칸 — 어디를 묻는지 한눈에 */
.word-box em, .phrase-box em {
  font-style: normal; color: var(--primary);
  background: var(--primary-soft); border-radius: 8px; padding: 0 4px;
  animation: blankPulse 1.7s ease-in-out infinite;
}
@keyframes blankPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* 스테이지 보조 설명 (단어 뜻 / 구절 풀이) — 마법진 아래 줄에 놓인다 */
.q-sub {
  grid-column: 1; z-index: 1; margin-top: 14px;
  font-size: 0.86rem; font-weight: 700; line-height: 1.5;
  color: var(--ink-soft); text-align: center; max-width: 300px;
}

/* ---------- 유아 모드 — 보기 3개, 한 줄에 하나 ----------
 * 2열 그리드에 3개를 넣으면 마지막 하나만 아래 홀로 남아 '덜 만든 화면'처럼 보인다.
 * 세로로 쌓고 글씨·터치 영역을 키운다. */
.options.toddler { grid-template-columns: 1fr; gap: 12px; }
.options.toddler .option { font-size: 1.25rem; padding: 20px 12px; min-height: 64px; }
.options.toddler.hanja .option { font-size: 2.6rem; padding: 16px 12px; letter-spacing: 3px; }
@media (max-width: 560px) {
  .options.toddler .option { font-size: 1.12rem; padding: 17px 10px; min-height: 58px; }
  .options.toddler.hanja .option { font-size: 2.2rem; padding: 14px 10px; }
}

/* 보기가 한자일 때 — 명조로 크게. 훈음 보기와 시각적으로 확실히 구분된다. */
.options.hanja .option {
  font-family: 'Noto Serif KR', serif; font-size: 2rem; font-weight: 700;
  padding: 12px 6px; letter-spacing: 2px;
}

/* 모바일 — 위쪽 반응형 블록보다 뒤에 와야 동일 특이도에서 이긴다 */
@media (max-width: 560px) {
  .reading-box { font-size: 1.85rem; padding: 18px 22px; }
  .word-box { font-size: 2.6rem; padding: 16px 20px; letter-spacing: 4px; }
  .phrase-box { font-size: 2.05rem; padding: 16px 14px; letter-spacing: 3px; }
  .q-sub { font-size: 0.8rem; margin-top: 11px; max-width: 260px; }
  .options.hanja .option { font-size: 1.7rem; padding: 11px 5px; }
}
@media (max-width: 360px) {
  .reading-box { font-size: 1.6rem; padding: 15px 18px; }
  .word-box { font-size: 2.2rem; letter-spacing: 3px; }
  .phrase-box { font-size: 1.75rem; letter-spacing: 2px; }
  .options.hanja .option { font-size: 1.5rem; }
}

/* 봉인 실패 시 달아나는 글자 */
.char-box.escaped { opacity: 0.4; filter: grayscale(0.6); animation: escape 0.6s var(--ease) both; }
@keyframes escape { 0% { transform: scale(1);} 100% { transform: scale(0.86) translateY(-6px) rotate(-3deg); opacity: 0.4; } }

/* ---------- 챌린지 진행 트랙(도장 핍 + 콤보) ---------- */
.seal-track { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 2px 0 4px; }
.seal-pips { display: flex; gap: 5px; }
.seal-pip {
  width: 12px; height: 12px; border-radius: 4px;
  background: var(--surface-3); border: 1px solid var(--border-strong);
  transition: transform 0.2s var(--ease), background 0.2s;
}
.seal-pip.ok { background: var(--success); border-color: var(--success); box-shadow: 0 2px 6px rgba(22,163,74,0.35); }
.seal-pip.miss { background: var(--danger); border-color: var(--danger); opacity: 0.75; }
.seal-pip.now { transform: scale(1.35); border-color: var(--primary); animation: pipNow 1.1s ease-in-out infinite; }
@keyframes pipNow { 0%,100% { box-shadow: 0 0 0 3px rgba(109,94,252,0.32); } 50% { box-shadow: 0 0 0 5px rgba(109,94,252,0.12); } }
.seal-streak {
  font-size: 0.74rem; font-weight: 800; color: var(--gold);
  background: var(--gold-soft); padding: 3px 9px; border-radius: 999px; white-space: nowrap;
}

/* ---------- 봉인 성공 해설(간결) ---------- */
.seal-reveal { text-align: center; animation: fadeUp 0.4s var(--ease); position: relative; }
.seal-stamp {
  display: inline-block; font-family: 'Noto Serif KR', serif; font-weight: 900;
  font-size: 1.05rem; letter-spacing: 3px; color: #fff;
  background: linear-gradient(135deg, #ef4444, #b91c1c);
  padding: 7px 16px; border-radius: 10px; margin-bottom: 10px;
  box-shadow: 0 6px 16px rgba(185,28,28,0.4), inset 0 1px 0 rgba(255,255,255,0.3);
  animation: stamp 0.45s var(--ease) both;
}
@keyframes stamp {
  0% { transform: scale(2.2) rotate(-14deg); opacity: 0; }
  55% { transform: scale(0.9) rotate(-6deg); opacity: 1; }
  100% { transform: scale(1) rotate(-4deg); opacity: 1; }
}
.streak-flame { font-size: 0.9rem; font-weight: 800; color: var(--gold); margin-bottom: 6px; animation: bump 0.5s; }
.sr-char {
  font-family: 'Noto Serif KR', serif; font-weight: 700; font-size: 4rem; line-height: 1.1;
  background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sr-read { font-size: 1.25rem; font-weight: 800; letter-spacing: 1px; margin: 2px 0 12px; }
.sr-origin {
  font-size: 0.9rem; line-height: 1.65; color: var(--text); text-align: left;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: 12px 14px; margin-bottom: 12px;
}
.sr-again { color: var(--success); font-weight: 800; font-size: 0.92rem; margin-bottom: 4px; }

/* ---------- 봉인의 서 홈(두루마리) ---------- */
/* --ch-scale — 두루마리 카드 전체(폭·여백·글씨)의 배율.
 * 기본 글씨가 작다는 피드백으로 1.15 적용. 이 값 하나만 바꾸면 카드가 통째로 커진다.
 * 좁은 화면에선 3열(통계·난이도)이 무너지므로 아래 미디어쿼리에서 배율을 낮춘다. */
.challenge-hero {
  --ch-scale: 1.15;
  display: grid; place-items: center; padding: 8px 0 28px; animation: panelIn 0.5s var(--ease) backwards;
}
.scroll-card { width: 100%; max-width: calc(480px * var(--ch-scale)); }
.scroll-rod { height: calc(16px * var(--ch-scale)); border-radius: 999px; background: linear-gradient(180deg, #c9a15e, #9c7434); box-shadow: 0 4px 12px rgba(120,80,20,0.28), inset 0 1px 0 rgba(255,255,255,0.4); }
.scroll-rod.top { margin-bottom: calc(-8px * var(--ch-scale)); }
.scroll-rod.bottom { margin-top: calc(-8px * var(--ch-scale)); }
.scroll-body {
  position: relative; z-index: 1; text-align: center;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.6), transparent 12%),
    radial-gradient(120% 60% at 50% 0%, #fffdf7, #fbf7ec 70%);
  border: 1px solid #eadfc4; border-radius: var(--r-lg);
  box-shadow: var(--shadow-md), inset 0 0 60px rgba(200,170,110,0.08);
  padding: calc(30px * var(--ch-scale)) calc(28px * var(--ch-scale)) calc(26px * var(--ch-scale));
}
.ch-seal-emblem { font-size: calc(2.6rem * var(--ch-scale)); filter: drop-shadow(0 6px 14px rgba(109,94,252,0.35)); animation: float1 6s ease-in-out infinite; }
.scroll-body h2 { font-family: 'Noto Serif KR', serif; font-size: calc(1.7rem * var(--ch-scale)); font-weight: 900; margin: 4px 0 6px; letter-spacing: 1px; }
.ch-lead { font-size: calc(0.92rem * var(--ch-scale)); color: var(--ink-soft); line-height: 1.65; margin-bottom: 18px; }
.ch-stats { display: flex; justify-content: center; gap: 10px; margin-bottom: 16px; }
.ch-stat {
  flex: 1; max-width: calc(120px * var(--ch-scale)); display: flex; flex-direction: column; gap: 2px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: calc(10px * var(--ch-scale)) 6px; box-shadow: var(--shadow-xs);
}
.ch-stat .v { font-size: calc(1.15rem * var(--ch-scale)); font-weight: 900; color: var(--primary-dark); }
.ch-stat .k { font-size: calc(0.68rem * var(--ch-scale)); color: var(--text-soft); font-weight: 600; }
.ch-minibar { height: 8px; background: var(--surface-3); border-radius: 999px; overflow: hidden; margin: 4px 0 5px; }
.ch-minibar-fill { height: 100%; background: var(--grad-brand); border-radius: 999px; transition: width 0.6s var(--ease); }
.ch-minibar-label { font-size: calc(0.72rem * var(--ch-scale)); color: var(--text-soft); font-weight: 700; margin-bottom: 16px; }
.ch-next {
  background: var(--primary-soft); border: 1px solid #e2ddfb; border-radius: var(--r-md);
  padding: calc(12px * var(--ch-scale)) calc(14px * var(--ch-scale)); margin-bottom: 18px;
}
.ch-compose-hint { font-size: calc(0.82rem * var(--ch-scale)); color: var(--ink-soft); font-weight: 700; margin-bottom: 8px; }
.ch-compose-hint b { color: var(--primary-dark); }
.ch-phrase-preview { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px; }
.ch-phrase {
  font-family: 'Noto Serif KR', serif; font-weight: 700; font-size: calc(1.15rem * var(--ch-scale)); letter-spacing: 2px;
  color: var(--ink); background: var(--surface); border: 1px solid var(--border-strong);
  padding: 3px 10px; border-radius: 8px;
}
.ch-phrase-dot { color: var(--text-faint); }
.ch-random-note { font-size: calc(0.86rem * var(--ch-scale)); font-weight: 700; color: var(--primary-dark); }
.ch-start { width: 100%; font-size: calc(1.05rem * var(--ch-scale)); padding: calc(15px * var(--ch-scale)); }
/* 파괴적 동작이라 눈에 띄지 않게 — 찾으면 있지만 먼저 보이진 않는 위치·톤 */
.ch-reset {
  display: block; margin: 14px auto 0; padding: 6px 10px;
  background: none; border: none; cursor: pointer;
  font-family: inherit; font-size: calc(0.72rem * var(--ch-scale)); font-weight: 600;
  color: var(--text-faint); border-radius: 8px; transition: color 0.15s, background 0.15s;
}
.ch-reset:hover { color: var(--danger); background: var(--danger-soft); }

/* 세트 구성 안내(복습 n자 + 새 글자 n자) */
.ch-mix {
  margin-top: 10px; padding-top: 9px; border-top: 1px dashed #ded8f7;
  font-size: calc(0.76rem * var(--ch-scale)); font-weight: 700; color: var(--ink-soft);
}
.ch-mix b { color: var(--primary-dark); }

/* 설정 묶음 — 위의 .ch-stats(통계)와 같은 3열 카드 행이라 그냥 두면
 * 난이도가 '통계의 연장'으로 읽혀 조작 가능한 UI로 보이지 않는다.
 * 별도 패널 + 라벨로 묶어 '고르는 곳'임을 명시한다. */
.ch-setup {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: calc(13px * var(--ch-scale)) calc(13px * var(--ch-scale)) calc(11px * var(--ch-scale)); margin-bottom: 16px;
}
.ch-setup-head {
  font-size: calc(0.78rem * var(--ch-scale)); font-weight: 800; color: var(--ink-soft);
  text-align: left; margin-bottom: 9px; letter-spacing: -0.01em;
}

/* 난이도 선택기 — 유아가 추가되며 4개가 되었다.
 * 좁은 화면에서 4열로 두면 설명이 세 줄로 접혀 버튼이 세로로 길쭉해진다. */
.ch-diff-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 11px; }
@media (max-width: 640px) {
  .ch-diff-row { grid-template-columns: 1fr 1fr; }
}
.ch-diff {
  position: relative;
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: calc(11px * var(--ch-scale)) 4px calc(10px * var(--ch-scale)); cursor: pointer;
  background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--r-sm);
  box-shadow: var(--shadow-xs); transition: transform 0.12s var(--ease), border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.ch-diff:hover { transform: translateY(-2px); border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.ch-diff:active { transform: translateY(0) scale(0.98); transition-duration: 0.06s; }
.ch-diff.on {
  border-color: var(--primary); background: var(--primary-soft);
  box-shadow: 0 6px 16px rgba(109,94,252,0.18);
}
/* 선택 표시 — 색만으로는 '고를 수 있다'는 인상이 약하다 */
.ch-diff.on::after {
  content: '✓';
  position: absolute; top: -7px; right: -5px;
  width: 19px; height: 19px; border-radius: 50%;
  background: var(--primary); color: #fff;
  font-size: 0.66rem; font-weight: 900;
  display: grid; place-items: center;
  box-shadow: 0 2px 6px rgba(109,94,252,0.45);
}
.cd-emoji { font-size: calc(1.25rem * var(--ch-scale)); line-height: 1; }
.cd-label { font-size: calc(0.9rem * var(--ch-scale)); font-weight: 800; color: var(--text); }
.ch-diff.on .cd-label { color: var(--primary-dark); }
.cd-desc { font-size: calc(0.62rem * var(--ch-scale)); color: var(--text-soft); font-weight: 600; text-align: center; line-height: 1.3; }
@media (max-width: 480px) {
  .cd-desc { font-size: calc(0.58rem * var(--ch-scale)); }
  .ch-diff { padding: calc(9px * var(--ch-scale)) 3px calc(8px * var(--ch-scale)); }
}

/* 연출 속도 선택기 — 난이도보다 한 단계 가벼운 세그먼트 컨트롤 */
.ch-speed-row { display: flex; align-items: center; gap: 10px; margin-bottom: 0; }
.ch-speed-label { font-size: calc(0.72rem * var(--ch-scale)); font-weight: 700; color: var(--text-soft); flex-shrink: 0; }
.ch-speed-seg {
  display: flex; flex: 1; gap: 3px; padding: 3px;
  background: var(--surface-3); border-radius: 999px;
}
.ch-speed {
  flex: 1; cursor: pointer; padding: calc(7px * var(--ch-scale)) 4px; border: none; border-radius: 999px;
  background: transparent; color: var(--text-soft);
  font-family: inherit; font-size: calc(0.76rem * var(--ch-scale)); font-weight: 700; letter-spacing: -0.01em;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
}
.ch-speed:hover { color: var(--text); }
.ch-speed.on {
  background: var(--surface); color: var(--primary-dark);
  box-shadow: var(--shadow-xs), 0 0 0 1px var(--border-strong);
}
@media (max-width: 480px) {
  .ch-speed-row { gap: 8px; }
  /* 29px 짜리 타깃이라 오탭이 잦았다 — 높이를 확보한다. */
  .ch-speed {
    font-size: calc(0.71rem * var(--ch-scale)); padding: calc(6px * var(--ch-scale)) 3px;
    min-height: 40px;
  }
}
/* 360px 급에선 '연출 속도' 라벨이 가로 폭을 먹어 '⚡ 빠르게' 가 두 줄로 접혔다.
 * 라벨을 위로 올려 세그먼트에 full-width 를 준다. */
@media (max-width: 400px) {
  .ch-speed-row { flex-direction: column; align-items: stretch; gap: 6px; }
  .ch-speed-label { text-align: left; }
  .ch-speed { white-space: nowrap; }
}

/* 좁은 화면: 카드 폭이 화면에 묶여 있어 배율을 그대로 쓰면 3열(통계·난이도)이
 * 줄바꿈으로 무너진다. 여백은 유지하고 배율만 낮춘다. */
@media (max-width: 480px) { .challenge-hero { --ch-scale: 1.08; } }
@media (max-width: 360px) { .challenge-hero { --ch-scale: 1.0; } }

/* ---------- 세트 결과 요약 ---------- */
.challenge-summary { text-align: center; animation: fadeUp 0.5s var(--ease); }
.cs-banner { font-size: 0.82rem; font-weight: 800; color: var(--gold); letter-spacing: 3px; margin-bottom: 10px; }
.cs-grade { font-size: 1.5rem; font-weight: 900; margin-bottom: 8px; }
.cs-score { font-size: 1.05rem; margin-bottom: 14px; }
.cs-score b { font-size: 2rem; font-weight: 900; color: var(--primary-dark); }
.cs-score span { color: var(--text-soft); font-weight: 700; }
.cs-rewards { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.cs-rewards span { background: var(--surface-2); border: 1px solid var(--border); padding: 7px 13px; border-radius: 999px; font-size: 0.84rem; font-weight: 700; }
.cs-rewards b { color: var(--gold); }
.cs-phrases { text-align: left; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-md); padding: 14px 16px; margin-bottom: 20px; }
.cs-phrases h4 { font-size: 0.8rem; font-weight: 800; color: var(--primary-dark); margin-bottom: 10px; }
.cs-phrases ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.cs-phrases li { display: flex; align-items: baseline; gap: 10px; }
.cs-phrases .p-han { font-family: 'Noto Serif KR', serif; font-weight: 700; font-size: 1.15rem; letter-spacing: 2px; color: var(--ink); white-space: nowrap; }
.cs-phrases li span { font-size: 0.82rem; color: var(--text-soft); }

/* ---------- 세계관(관문) 테마: 봉인 오버레이 배경/분위기 ---------- */
.realm-tag {
  text-align: center; font-size: 0.72rem; font-weight: 800; letter-spacing: 1.5px;
  color: var(--text-soft); margin: 0 0 8px;
}
.overlay[data-realm] .popup { z-index: 2; }
.overlay[data-realm]::before {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none;
}

/* 🌌 천지 — 별밤 */
.overlay[data-realm="night"] {
  background: radial-gradient(1200px 700px at 50% 12%, rgba(76,29,149,0.55), transparent 60%), rgba(8,10,34,0.66);
  --realm-r1: rgba(129,140,248,0.55); --realm-r2: rgba(192,132,252,0.42); --realm-r3: rgba(250,204,21,0.5);
}
.overlay[data-realm="night"]::before {
  background-image:
    radial-gradient(1.6px 1.6px at 20% 30%, #fff, transparent),
    radial-gradient(1.6px 1.6px at 70% 18%, #fff, transparent),
    radial-gradient(1.2px 1.2px at 40% 62%, #cbd5ff, transparent),
    radial-gradient(1.6px 1.6px at 85% 55%, #fff, transparent),
    radial-gradient(1.2px 1.2px at 14% 76%, #e2e8ff, transparent),
    radial-gradient(1.6px 1.6px at 60% 82%, #fff, transparent),
    radial-gradient(1.2px 1.2px at 90% 86%, #cbd5ff, transparent),
    radial-gradient(1.2px 1.2px at 33% 14%, #fff, transparent);
  animation: twinkle 3.6s ease-in-out infinite;
}
@keyframes twinkle { 0%,100% { opacity: 0.9; } 50% { opacity: 0.45; } }

/* 🍃 계절 — 청록 안개 */
.overlay[data-realm="season"] {
  background: radial-gradient(1200px 700px at 50% 12%, rgba(13,148,136,0.5), transparent 60%), rgba(6,26,28,0.62);
  --realm-r1: rgba(45,212,191,0.5); --realm-r2: rgba(94,234,212,0.4); --realm-r3: rgba(163,230,53,0.5);
}
.overlay[data-realm="season"]::before {
  background:
    radial-gradient(600px 320px at 30% 40%, rgba(94,234,212,0.18), transparent 70%),
    radial-gradient(520px 280px at 75% 66%, rgba(132,204,22,0.15), transparent 70%);
  animation: realmDrift 9s ease-in-out infinite alternate;
}

/* 💎 보배 — 황금 광맥 */
.overlay[data-realm="treasure"] {
  background: radial-gradient(1200px 700px at 50% 12%, rgba(180,120,20,0.5), transparent 60%), rgba(30,20,6,0.64);
  --realm-r1: rgba(251,191,36,0.6); --realm-r2: rgba(245,158,11,0.45); --realm-r3: rgba(253,224,71,0.6);
}
.overlay[data-realm="treasure"]::before {
  background: radial-gradient(720px 400px at 50% 30%, rgba(251,191,36,0.2), transparent 70%);
  animation: realmGlow 4.2s ease-in-out infinite;
}

/* 🌫️ 만물 — 수묵 안개 */
.overlay[data-realm="ink"] {
  background: radial-gradient(1200px 700px at 50% 12%, rgba(51,65,85,0.5), transparent 60%), rgba(15,20,26,0.66);
  --realm-r1: rgba(148,163,184,0.5); --realm-r2: rgba(100,116,139,0.4); --realm-r3: rgba(203,213,225,0.5);
}
.overlay[data-realm="ink"]::before {
  background:
    radial-gradient(600px 340px at 35% 45%, rgba(148,163,184,0.14), transparent 70%),
    radial-gradient(520px 300px at 70% 62%, rgba(100,116,139,0.12), transparent 70%);
  animation: realmDrift 11s ease-in-out infinite alternate;
}

/* 🏯 문명 — 궁궐 노을 */
.overlay[data-realm="palace"] {
  background: radial-gradient(1200px 700px at 50% 12%, rgba(153,27,27,0.5), transparent 60%), rgba(28,8,10,0.64);
  --realm-r1: rgba(248,113,113,0.55); --realm-r2: rgba(251,191,36,0.45); --realm-r3: rgba(253,224,71,0.55);
}
.overlay[data-realm="palace"]::before {
  background: radial-gradient(820px 440px at 50% 25%, rgba(220,38,38,0.16), transparent 65%);
  animation: realmGlow 5s ease-in-out infinite;
}

@keyframes realmDrift { from { transform: translateX(-14px); } to { transform: translateX(14px); } }
@keyframes realmGlow { 0%,100% { opacity: 0.7; } 50% { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  .seal-ring, .ch-seal-emblem { animation: none; }
  .char-box.brush-in { animation: none; }
  .seal-pip.now { animation: none; }
  .overlay[data-realm]::before { animation: none; }
}
@media (max-width: 480px) {
  .char-stage.encounter { min-height: 150px; }
  .seal-ring { width: 190px; height: 190px; }
  .seal-ring.inner { width: 138px; height: 138px; }
  .sr-char { font-size: 3.2rem; }
  .ch-stat .v { font-size: 1rem; }
  .ch-phrase { font-size: 1rem; letter-spacing: 1px; }
}