@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;700;900&family=DM+Mono:wght@400;500&display=swap');

/* ── 토큰 ── */
:root {
  --ink:    #0C1220;
  --ink2:   #1A2438;
  --ink3:   #243044;
  --border: rgba(255,255,255,0.07);
  --border2:rgba(255,255,255,0.13);

  --paper:  #F5F2EB;
  --paper2: #EDE9DF;

  --gold:   #E8B84B;
  --gold2:  #F5D078;
  --teal:   #3ECFB2;
  --coral:  #FF6B6B;
  --sky:    #60B4FF;

  --text:   #EDF2F7;
  --muted:  rgba(237,242,247,0.5);
  --hint:   rgba(237,242,247,0.3);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  --font: 'Noto Sans KR', sans-serif;
  --mono: 'DM Mono', monospace;
  --ease: cubic-bezier(0.22,1,0.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{font-size:16px;-webkit-font-smoothing:antialiased;}
body{font-family:var(--font);background:var(--ink);color:var(--text);min-height:100vh;overflow-x:hidden;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input{font-family:inherit;}

/* ── 스크롤바 ── */
::-webkit-scrollbar{width:4px;}
::-webkit-scrollbar-track{background:var(--ink2);}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px;}

/* ── 애니메이션 ── */
@keyframes fadeUp   {from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn   {from{opacity:0}to{opacity:1}}
@keyframes scaleIn  {from{opacity:0;transform:scale(.88)}to{opacity:1;transform:scale(1)}}
@keyframes shimmer  {0%{background-position:200% 0}100%{background-position:-200% 0}}
@keyframes pulse    {0%,100%{filter:drop-shadow(0 0 4px rgba(232,184,75,.35))}50%{filter:drop-shadow(0 0 14px rgba(232,184,75,.7))}}
@keyframes timerPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}
@keyframes ripple   {to{transform:scale(3);opacity:0}}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
@keyframes bounce   {0%,100%{transform:translateY(0)}40%{transform:translateY(-6px)}70%{transform:translateY(-2px)}}

.fade-up  {animation:fadeUp  .38s var(--ease) both;}
.scale-in {animation:scaleIn .32s var(--ease) both;}

/* ── 스켈레톤 ── */
.skeleton{
  background:linear-gradient(90deg,var(--ink2) 25%,var(--ink3) 50%,var(--ink2) 75%);
  background-size:200% 100%;
  animation:shimmer 1.5s infinite;
  border-radius:var(--r-md);
}

/* ── 페이지 wrapper ── */
.page{max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;position:relative;}

/* ════════════════════════════
   HOME
════════════════════════════ */
.home-hero{
  padding:36px 20px 28px;
  background:linear-gradient(160deg,#0C1220 0%,#152035 50%,#0D2040 100%);
  position:relative;overflow:hidden;
}
.home-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 50% at 80% 20%,rgba(62,207,178,.08),transparent);
  pointer-events:none;
}
.home-hero__eyebrow{
  font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal);font-weight:500;margin-bottom:8px;
}
.home-hero__title{
  font-size:30px;font-weight:900;letter-spacing:-1px;line-height:1.1;
  background:linear-gradient(135deg,#fff 30%,var(--gold2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  margin-bottom:8px;
}
.home-hero__sub{font-size:13px;color:var(--muted);line-height:1.5;}

.lang-row{display:flex;align-items:center;justify-content:space-between;margin-top:20px;}
.lang-toggle{display:flex;gap:3px;background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:20px;padding:3px;}
.lang-toggle button{
  padding:4px 14px;border-radius:16px;font-size:12px;font-weight:500;
  color:var(--muted);transition:all .2s;
}
.lang-toggle button.active{background:var(--gold);color:var(--ink);font-weight:700;}

/* 레벨 카드 row */
.level-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:20px 20px 0;}
.level-card{
  background:var(--ink2);border:1px solid var(--border);border-radius:var(--r-md);
  padding:14px 10px;text-align:center;cursor:pointer;
  transition:all .22s var(--ease);text-decoration:none;color:inherit;
  position:relative;overflow:hidden;
}
.level-card:hover{border-color:var(--border2);transform:translateY(-2px);}
.level-card.hot{border-color:rgba(232,184,75,.35);}
.level-card.hot::after{
  content:'HOT';position:absolute;top:7px;right:7px;
  font-size:8px;font-weight:700;letter-spacing:.06em;
  background:var(--gold);color:var(--ink);
  padding:1px 5px;border-radius:4px;
}
.level-card__num{font-family:var(--mono);font-size:10px;color:var(--gold);letter-spacing:.05em;margin-bottom:6px;}
.level-card__icon{font-size:22px;margin-bottom:6px;display:block;}
.level-card__name{font-size:12px;font-weight:700;color:var(--text);margin-bottom:2px;}
.level-card__desc{font-size:10px;color:var(--muted);line-height:1.4;}

/* 섹션 */
.home-section{padding:24px 20px 0;}
.home-section-label{
  font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px;display:flex;align-items:center;gap:6px;
}
.home-section-label::after{content:'';flex:1;height:1px;background:var(--border);}

/* 지도 그리드 */
.map-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.map-card{
  background:var(--ink2);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:16px;cursor:pointer;transition:all .22s var(--ease);
  text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:10px;
  position:relative;overflow:hidden;
}
.map-card::before{
  content:'';position:absolute;inset:0;opacity:0;
  background:linear-gradient(135deg,rgba(232,184,75,.06),transparent);
  transition:opacity .22s;
}
.map-card:hover{border-color:rgba(232,184,75,.3);transform:translateY(-3px);box-shadow:0 8px 32px rgba(0,0,0,.3);}
.map-card:hover::before{opacity:1;}
.map-card:active{transform:scale(.98);}
.map-card.disabled{opacity:.4;cursor:not-allowed;pointer-events:none;}
.map-card__icon{
  width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;font-size:22px;
  background:rgba(255,255,255,.06);
}
.map-card__name{font-size:13px;font-weight:700;color:var(--text);}
.map-card__meta{font-size:11px;color:var(--muted);}
.map-card__badge{
  display:inline-block;font-size:9px;font-weight:700;letter-spacing:.05em;
  padding:2px 7px;border-radius:6px;margin-top:2px;width:fit-content;
}
.badge-gold{background:rgba(232,184,75,.2);color:var(--gold);}
.badge-soon{background:rgba(255,255,255,.06);color:var(--hint);}
.badge-new {background:rgba(62,207,178,.2);color:var(--teal);}

/* 챌린지 배너 */
.challenge-banner{
  margin:16px 20px 0;
  background:linear-gradient(135deg,var(--ink3),#1a3050);
  border:1px solid rgba(62,207,178,.2);
  border-radius:var(--r-lg);padding:16px;
  display:flex;align-items:center;gap:14px;cursor:pointer;
  transition:all .22s var(--ease);text-decoration:none;color:inherit;
}
.challenge-banner:hover{border-color:rgba(62,207,178,.4);transform:translateY(-2px);}
.challenge-banner__icon{font-size:28px;flex-shrink:0;}
.challenge-banner__title{font-size:14px;font-weight:700;color:var(--text);}
.challenge-banner__sub{font-size:11px;color:var(--muted);margin-top:2px;}
.challenge-banner__arrow{margin-left:auto;color:var(--teal);font-size:18px;flex-shrink:0;}

/* 통계 바 */
.stats-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--border);border-radius:var(--r-md);overflow:hidden;
  margin:16px 20px 0;
}
.stat-cell{background:var(--ink2);padding:14px 8px;text-align:center;}
.stat-cell__num{font-family:var(--mono);font-size:20px;font-weight:500;color:var(--gold);}
.stat-cell__label{font-size:10px;color:var(--muted);margin-top:2px;}

/* ════════════════════════════
   QUIZ
════════════════════════════ */
.quiz-page{max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;}

/* 헤더 */
.quiz-header{
  background:var(--ink2);border-bottom:1px solid var(--border);
  padding:12px 16px 14px;position:sticky;top:0;z-index:20;
}
.quiz-header__row1{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.back-btn{
  width:34px;height:34px;border-radius:50%;
  background:rgba(255,255,255,.06);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text);font-size:18px;transition:all .18s;flex-shrink:0;
}
.back-btn:hover{background:rgba(255,255,255,.12);}
.quiz-header__info{flex:1;min-width:0;}
.quiz-header__map{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.04em;}
.quiz-header__lv {font-size:16px;font-weight:900;color:var(--text);letter-spacing:-.3px;line-height:1.2;}

/* 레벨 탭 */
.level-tabs{display:flex;gap:4px;margin-bottom:10px;}
.level-tab{
  flex:1;padding:7px 4px;border-radius:var(--r-sm);
  font-size:11px;font-weight:600;color:var(--muted);
  background:rgba(255,255,255,.04);border:1px solid var(--border);
  transition:all .18s;line-height:1.3;text-align:center;
}
.level-tab span{display:block;font-size:9px;font-weight:400;color:var(--hint);margin-top:1px;}
.level-tab.active{background:var(--gold);color:var(--ink);border-color:var(--gold);}
.level-tab.active span{color:rgba(12,18,32,.65);}
.level-tab:hover:not(.active){background:rgba(255,255,255,.08);color:var(--text);}

/* 진행바 */
.progress-area{display:flex;align-items:center;gap:10px;}
.progress-bar{flex:1;height:3px;background:rgba(255,255,255,.1);border-radius:2px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--teal),var(--gold));border-radius:2px;transition:width .5s var(--ease);}
.progress-label{font-family:var(--mono);font-size:11px;color:var(--muted);white-space:nowrap;}
.score-display{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--gold);white-space:nowrap;min-width:40px;text-align:right;}

/* ── 타이머 링 ── */
.timer-wrap{position:relative;width:46px;height:46px;flex-shrink:0;display:none;}
.timer-wrap.show{display:block;}
.timer-wrap svg{position:absolute;inset:0;transform:rotate(-90deg);}
.timer-bg{fill:none;stroke:rgba(255,255,255,.08);stroke-width:3;}
.timer-arc{fill:none;stroke:var(--teal);stroke-width:3;stroke-linecap:round;stroke-dasharray:125.66;transition:stroke-dashoffset .9s linear,stroke .3s;}
.timer-num{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:14px;font-weight:500;color:var(--teal);
}
.timer-wrap.urgent .timer-arc{stroke:var(--coral);}
.timer-wrap.urgent .timer-num{color:var(--coral);animation:timerPulse .5s ease-in-out infinite;}

/* ── 지도 영역 ── */
.map-wrap{
  flex-shrink:0;position:relative;
  background:linear-gradient(160deg,#0e1a2e,#131f35);
  border-bottom:1px solid var(--border);
}
#map-container{
  width:100%;height:44vw;max-height:300px;min-height:200px;
  position:relative;overflow:hidden;
}
#map-skeleton{position:absolute;inset:0;z-index:2;}
#map-container svg{width:100%;height:100%;display:block;opacity:0;transition:opacity .4s;}
#map-container svg.loaded{opacity:1;}
/* 지도 path */
#map-container path{
  fill:rgba(255,255,255,.04);stroke:rgba(96,180,255,.25);stroke-width:.6;
  transition:fill .2s,stroke .15s;vector-effect:non-scaling-stroke;
}
#map-container path.active{
  fill:var(--gold);stroke:var(--gold2);stroke-width:1.5;
  animation:pulse 2s ease-in-out infinite;
}
#map-container path.correct{fill:#3ECFB2;stroke:#2BA890;stroke-width:1.2;animation:none;filter:none;}
#map-container path.wrong  {fill:var(--coral);stroke:#cc4444;stroke-width:1.2;animation:none;filter:none;}
#map-container path.solved {fill:rgba(62,207,178,.2);stroke:rgba(62,207,178,.3);animation:none;filter:none;}
/* Level3 */
body.lv3 #map-container path{cursor:crosshair;}
body.lv3 #map-container path:hover{fill:rgba(232,184,75,.18);stroke:var(--gold);}
/* 툴팁 */
.map-tip{
  position:absolute;background:var(--ink);border:1px solid var(--border2);
  color:var(--text);font-size:12px;font-weight:500;
  padding:4px 10px;border-radius:var(--r-sm);pointer-events:none;
  z-index:10;white-space:nowrap;opacity:0;transition:opacity .15s;
  transform:translate(-50%,-110%);
}
.map-tip.show{opacity:1;}

/* ── 퀴즈 패널 ── */
.quiz-panel{flex:1;padding:16px;display:flex;flex-direction:column;gap:13px;}
.question-text{
  font-size:15px;font-weight:700;color:var(--text);line-height:1.45;
  padding:12px 14px;background:rgba(255,255,255,.03);
  border:1px solid var(--border);border-radius:var(--r-md);
}
.question-text strong{color:var(--gold);font-size:17px;}

/* 힌트 */
.hint-row{display:flex;align-items:center;gap:8px;}
.hint-btn{
  display:inline-flex;align-items:center;gap:5px;
  padding:6px 13px;border-radius:20px;
  border:1px solid var(--border2);background:rgba(255,255,255,.04);
  font-size:12px;color:var(--muted);transition:all .18s;
}
.hint-btn:hover:not(:disabled){
  border-color:rgba(232,184,75,.4);color:var(--gold);background:rgba(232,184,75,.06);
}
.hint-btn:disabled{opacity:.35;cursor:not-allowed;}
.hint-cost{color:var(--gold);font-weight:600;}
.hint-count{color:var(--hint);font-size:10px;}
.hint-box{
  background:rgba(232,184,75,.07);border:1px solid rgba(232,184,75,.2);
  border-radius:var(--r-md);padding:10px 14px;font-size:13px;color:var(--gold2);
  display:none;animation:slideDown .2s var(--ease);line-height:1.5;
}
.hint-box.show{display:block;}

/* Level3 안내 */
.lv3-guide{
  background:rgba(62,207,178,.06);border:1px solid rgba(62,207,178,.2);
  border-radius:var(--r-md);padding:11px 14px;
  font-size:13px;color:var(--teal);font-weight:500;text-align:center;
  display:none;
}
.lv3-guide.show{display:block;}

/* 선택지 */
.choices{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.choice{
  padding:12px 14px;border-radius:var(--r-md);text-align:left;
  border:1px solid var(--border);background:rgba(255,255,255,.04);
  font-size:13px;font-weight:600;color:var(--text);
  transition:all .18s var(--ease);position:relative;overflow:hidden;
  line-height:1.35;
}
.choice::after{
  content:'';position:absolute;inset:0;background:var(--gold);
  transform:scale(0);border-radius:50%;opacity:0;
  transition:transform .5s,opacity .5s;
}
.choice:hover:not(:disabled){
  border-color:rgba(232,184,75,.3);background:rgba(232,184,75,.07);
  color:var(--gold2);transform:translateY(-1px);
}
.choice:active:not(:disabled){transform:scale(.97);}
.choice.correct{border-color:var(--teal)!important;background:rgba(62,207,178,.12)!important;color:var(--teal)!important;}
.choice.wrong  {border-color:var(--coral)!important;background:rgba(255,107,107,.1)!important;color:var(--coral)!important;}
.choice:disabled{cursor:not-allowed;}

/* 피드백 */
.feedback{
  border-radius:var(--r-md);padding:12px 16px;font-size:14px;font-weight:700;
  text-align:center;display:none;animation:scaleIn .25s var(--ease);
}
.feedback.show{display:block;}
.feedback.correct{background:rgba(62,207,178,.12);border:1px solid rgba(62,207,178,.3);color:var(--teal);}
.feedback.wrong  {background:rgba(255,107,107,.1);border:1px solid rgba(255,107,107,.25);color:var(--coral);}

/* 네비 버튼 */
.quiz-nav{display:flex;gap:8px;padding-bottom:4px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 18px;border-radius:var(--r-md);font-size:14px;font-weight:700;
  transition:all .18s var(--ease);white-space:nowrap;
}
.btn:active{transform:scale(.97);}
.btn-ghost{
  background:rgba(255,255,255,.05);border:1px solid var(--border2);color:var(--muted);flex:1;
}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:var(--text);}
.btn-primary{
  background:linear-gradient(135deg,var(--teal),#2ba890);color:var(--ink);flex:2;
  box-shadow:0 4px 16px rgba(62,207,178,.25);font-weight:800;
}
.btn-primary:hover{box-shadow:0 6px 24px rgba(62,207,178,.4);transform:translateY(-1px);}
.btn-gold{
  background:linear-gradient(135deg,var(--gold),#d4a030);color:var(--ink);
  box-shadow:0 4px 16px rgba(232,184,75,.25);font-weight:800;
}
.btn-gold:hover{box-shadow:0 6px 24px rgba(232,184,75,.4);transform:translateY(-1px);}

/* ════════════════════════════
   RESULT
════════════════════════════ */
.result-hero{
  background:linear-gradient(160deg,var(--ink2),#152035);
  padding:40px 24px 32px;text-align:center;position:relative;overflow:hidden;
}
.result-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 60% at 50% 0%,rgba(232,184,75,.08),transparent);
  pointer-events:none;
}
.result-ring{
  width:130px;height:130px;border-radius:50%;margin:0 auto 20px;
  border:3px solid rgba(232,184,75,.3);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  position:relative;
}
.result-ring::before{
  content:'';position:absolute;inset:-1px;border-radius:50%;
  background:conic-gradient(var(--gold) var(--pct,0%),transparent 0%);
  mask:radial-gradient(circle at center,transparent 58px,black 59px);
  -webkit-mask:radial-gradient(circle at center,transparent 58px,black 59px);
  transition:--pct 1s var(--ease);
}
.result-score{font-family:var(--mono);font-size:40px;font-weight:500;color:var(--gold);line-height:1;animation:bounce .6s .3s var(--ease) both;}
.result-total{font-size:13px;color:var(--muted);margin-top:2px;}
.result-grade{font-size:22px;font-weight:900;letter-spacing:-.5px;margin-bottom:6px;}
.result-sub  {font-size:13px;color:var(--muted);}

.result-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--border);margin:0 16px 16px;border-radius:var(--r-md);overflow:hidden;
}
.rs-cell{background:var(--ink2);padding:16px 8px;text-align:center;}
.rs-cell__num  {font-family:var(--mono);font-size:24px;font-weight:500;color:var(--text);}
.rs-cell__label{font-size:10px;color:var(--muted);margin-top:3px;}

.result-actions{display:flex;gap:8px;padding:0 16px 10px;}
.result-actions .btn{flex:1;}

/* 다음 도전 */
.next-section{padding:8px 16px 32px;}
.next-label{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;}
.next-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.next-card{
  background:var(--ink2);border:1px solid var(--border);border-radius:var(--r-md);
  padding:12px;cursor:pointer;transition:all .18s var(--ease);text-align:left;color:inherit;
}
.next-card:hover{border-color:var(--border2);transform:translateY(-2px);}
.next-card:disabled{opacity:.4;cursor:not-allowed;}
.next-card__icon{font-size:18px;display:block;margin-bottom:5px;}
.next-card__name{font-size:12px;font-weight:700;color:var(--text);display:block;}
.next-card__sub {font-size:10px;color:var(--muted);}

/* ── 토스트 ── */
.toast{
  position:fixed;bottom:28px;left:50%;
  transform:translateX(-50%) translateY(60px);
  background:var(--ink3);border:1px solid var(--border2);
  color:var(--text);padding:10px 20px;border-radius:var(--r-md);
  font-size:13px;font-weight:500;z-index:999;
  opacity:0;transition:transform .3s var(--ease),opacity .3s;
  pointer-events:none;white-space:nowrap;
}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1;}

/* ── 반응형 ── */
@media(max-width:360px){
  :root{font-size:15px;}
  .home-hero__title{font-size:26px;}
}
@media(min-width:480px){
  .page,.quiz-page{border-left:1px solid var(--border);border-right:1px solid var(--border);}
}