/* 하부 게임형 학습 허브 공용 셸 v2 — HUD·히어로컷·월드맵·퀘스트 그리드. exam-prep.html 에서 추출, phonics.html 과 공유. Black Han Sans / Noto Sans KR 폰트 link 는 쓰는 쪽에서 넣는다. */
:root{
  --bg:#0d0a1c; --bg-deep:#141026; --panel:#1b1442; --panel-2:#241a55;
  --purple:#7C5CFF; --purple-dark:#5B3DE0; --pink:#FF6B9D; --gold:#FFC95C;
  --green:#00C897; --blue:#4EC9FF; --red:#FF5470;
  --ink:#F3F0FF; --ink-soft:#C9C0F5; --line:rgba(124,92,255,.32);
  --r-sm:14px; --r-md:22px; --r-lg:30px;
  --shadow-md:0 10px 30px rgba(20,10,50,.35); --shadow-lg:0 24px 60px rgba(10,6,32,.5);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{
  font-family:"Noto Sans KR",system-ui,-apple-system,"Malgun Gothic",sans-serif;
  background:
    radial-gradient(900px 480px at 12% -8%, rgba(124,92,255,.30), transparent 60%),
    radial-gradient(700px 380px at 100% 0%, rgba(255,107,157,.18), transparent 55%),
    var(--bg);
  color:var(--ink); min-height:100svh; overflow-x:hidden;
}
h1,h2,h3{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
a{color:inherit}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
.display{font-family:"Black Han Sans","Noto Sans KR",sans-serif;letter-spacing:.01em}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ── HUD ── */
.hud{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:10px;
  padding:10px 16px;background:linear-gradient(180deg,#1C1240ee,#241a55dd);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.hud-back{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:800;
  color:var(--ink-soft);padding:8px 12px;border-radius:999px;flex-shrink:0}
.hud-back:hover{background:rgba(255,255,255,.08);color:#fff}
.hud-title{font-size:.92rem;font-weight:900;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0}
.hud-chips{display:flex;gap:6px;flex-shrink:0;overflow-x:auto;scrollbar-width:none}
.hud-chips::-webkit-scrollbar{display:none}
.hchip{display:inline-flex;align-items:center;gap:4px;padding:6px 11px;border-radius:999px;
  font-weight:900;font-size:.74rem;white-space:nowrap;background:rgba(255,255,255,.08)}
.hchip.lv{background:linear-gradient(135deg,var(--purple),var(--purple-dark));color:#fff}
.hchip.xp{background:linear-gradient(135deg,#3a2d1a,#5c451c);color:var(--gold)}
.hchip.streak{background:linear-gradient(135deg,#432038,#5c1f3d);color:#ffb0ce}
.hchip.mastered{background:linear-gradient(135deg,#123b30,#0c5340);color:#7ff0c9}

.wrap{max-width:1080px;margin:0 auto;padding:0 16px 70px}

/* ── 히어로 컷 ── */
.hero-panel{
  position:relative;margin:18px 0 22px;border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(155deg,#2c1f68,#181138 65%);
  border:2px solid rgba(255,255,255,.14);box-shadow:var(--shadow-lg);
  padding:26px 24px 22px;display:flex;align-items:flex-end;gap:18px;flex-wrap:wrap;
}
.hero-panel::before{ /* 스크린톤 도트 텍스처 */
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.12) 1px, transparent 1.4px);
  background-size:15px 15px;
  -webkit-mask-image:linear-gradient(200deg,#000 0%,transparent 48%);
  mask-image:linear-gradient(200deg,#000 0%,transparent 48%);
}
.hero-panel::after{ /* 방사형 버스트 */
  content:"";position:absolute;right:-10%;top:-30%;width:60%;height:160%;pointer-events:none;
  background:conic-gradient(from 0deg, rgba(255,201,92,.16), transparent 12deg, transparent 348deg, rgba(255,201,92,.16));
  animation:heroSpin 26s linear infinite;
}
@keyframes heroSpin{to{transform:rotate(360deg)}}
.hero-char{position:relative;z-index:1;width:128px;height:128px;flex-shrink:0;object-fit:contain;
  filter:drop-shadow(0 14px 22px rgba(0,0,0,.5));animation:heroBob 3.6s ease-in-out infinite}
@keyframes heroBob{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-8px) rotate(1deg)}}
.hero-copy{position:relative;z-index:1;flex:1;min-width:220px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:900;
  letter-spacing:.14em;color:var(--gold);text-transform:uppercase}
.hero-title{font-size:clamp(24px,4vw,34px);color:#fff;line-height:1.2;margin:6px 0 10px;text-shadow:0 3px 18px rgba(0,0,0,.4)}
.hero-bubble{
  display:inline-block;background:rgba(255,255,255,.96);color:#3B2E7A;font-weight:700;
  font-size:.86rem;line-height:1.55;border-radius:16px 16px 16px 4px;padding:11px 15px;
  box-shadow:0 8px 20px rgba(10,5,30,.4);max-width:34rem;
}
.hero-progress{position:relative;z-index:1;flex-shrink:0;text-align:center;min-width:96px}
.hero-progress .ring{
  width:82px;height:82px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:conic-gradient(var(--green) calc(var(--avg,0)*1%), rgba(255,255,255,.14) 0);margin:0 auto 6px;
}
.hero-progress .ring i{width:64px;height:64px;border-radius:50%;background:#211a4a;display:flex;
  align-items:center;justify-content:center;font-style:normal;font-weight:900;font-size:1.05rem;color:#fff}
.hero-progress span{font-size:.7rem;color:var(--ink-soft);font-weight:800}

/* ── 월드맵(학년 경로) ── */
.map-title{display:flex;align-items:baseline;gap:8px;margin:0 0 10px}
.map-title h2{font-size:1rem;color:#fff}
.map-title small{color:var(--ink-soft);font-size:.78rem}
.map-scroll{position:relative;overflow-x:auto;overflow-y:hidden;padding:20px 6px 14px;
  scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.map-track{position:relative;display:flex;align-items:flex-end;gap:0;min-width:max-content;padding:0 10px}
.map-track svg{position:absolute;left:0;top:38px;width:100%;height:6px;pointer-events:none;overflow:visible}
.map-track svg path{fill:none;stroke:rgba(255,255,255,.28);stroke-width:3;stroke-dasharray:2 10;stroke-linecap:round;animation:pathFlow 3.2s linear infinite}
@keyframes pathFlow{to{stroke-dashoffset:-24}}
.map-node{position:relative;flex:0 0 auto;width:108px;display:flex;flex-direction:column;align-items:center;
  gap:6px;padding:0 8px;z-index:1;text-align:center}
.map-node .n-badge{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:1.05rem;color:#fff;background:linear-gradient(150deg,#463d63,#2c2547);
  border:3px solid rgba(255,255,255,.14);box-shadow:0 6px 16px rgba(10,5,30,.5);transition:.18s;cursor:pointer;position:relative}
.map-node:hover .n-badge{transform:translateY(-3px)}
.map-node.is-active .n-badge{background:linear-gradient(150deg,var(--purple),var(--purple-dark));
  border-color:#fff;box-shadow:0 0 0 5px rgba(124,92,255,.3),0 10px 22px rgba(20,10,50,.5)}
.map-node.is-cleared .n-badge{background:linear-gradient(150deg,#1fae86,#0c5340)}
.map-node .n-check{position:absolute;bottom:-4px;right:-4px;width:22px;height:22px;border-radius:50%;
  background:var(--green);color:#08331f;display:flex;align-items:center;justify-content:center;font-size:.68rem;font-weight:900;box-shadow:0 2px 6px rgba(0,0,0,.4)}
.map-node .n-label{font-size:.86rem;font-weight:900;color:#fff}
.map-node .n-sub{font-size:.66rem;color:var(--ink-soft)}
.map-node .n-pct{font-size:.66rem;font-weight:800;color:var(--gold)}

/* ── 챕터(교재) ── */
.chapter{margin-top:26px}
.chapter > header{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.chapter > header .ch-badge{width:34px;height:34px;border-radius:10px;background:linear-gradient(150deg,var(--purple),var(--purple-dark));
  display:flex;align-items:center;justify-content:center;font-weight:900;color:#fff;font-size:.9rem;flex-shrink:0}
.chapter > header h3{font-size:1rem;color:#fff}
.chapter > header .ch-meta{font-size:.76rem;color:var(--ink-soft);font-weight:700}
.chapter > header .ch-bar{flex:1 1 140px;height:8px;border-radius:999px;background:rgba(255,255,255,.1);overflow:hidden;min-width:90px}
.chapter > header .ch-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--green));border-radius:999px}
.chapter > header .ch-pct{font-size:.76rem;font-weight:900;color:var(--green);flex-shrink:0}

.quest-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:14px}
.quest{
  position:relative;display:block;text-decoration:none;color:var(--ink);border-radius:var(--r-md);
  padding:16px 14px 14px;overflow:hidden;background:var(--panel-2);border:1.5px solid var(--line);
  transition:.16s; min-height:150px;
}
.quest::before{content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background:repeating-linear-gradient(135deg,#fff 0 2px,transparent 2px 9px)}
.quest::after{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--q-accent,var(--purple))}
.quest:hover{transform:translateY(-4px);border-color:var(--q-accent,var(--purple));box-shadow:var(--shadow-md)}
.quest .q-num{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  background:var(--q-accent,var(--purple));color:#fff;font-weight:900;font-size:.92rem;
  clip-path:polygon(20% 0,80% 0,100% 30%,100% 100%,0 100%,0 30%);
}
.quest .q-ring{position:absolute;right:10px;top:10px;width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:.64rem;font-weight:900;color:#fff;
  background:conic-gradient(var(--green) calc(var(--pct,0)*1%), rgba(255,255,255,.16) 0)}
.quest .q-ring i{width:29px;height:29px;border-radius:50%;background:var(--panel-2);display:flex;
  align-items:center;justify-content:center;font-style:normal}
.quest .q-title{display:block;font-weight:900;font-size:.9rem;margin:10px 0 2px;line-height:1.3}
.quest .q-sub{display:block;font-size:.68rem;color:var(--ink-soft)}
.quest .q-play{
  display:inline-flex;align-items:center;gap:4px;margin-top:10px;font-size:.72rem;font-weight:900;
  color:var(--q-accent,var(--purple));background:rgba(255,255,255,.08);padding:5px 10px;border-radius:999px;
}
.quest.is-done{border-color:var(--green)}
.quest.is-done .q-play{color:var(--green)}
.quest .q-ribbon{position:absolute;top:10px;left:-30px;transform:rotate(-40deg);background:var(--green);
  color:#08331f;font-size:.62rem;font-weight:900;padding:3px 32px;box-shadow:0 2px 6px rgba(0,0,0,.3)}

.hint-line{color:var(--ink-soft);font-size:.84rem;margin:0 0 18px;text-align:center}
.empty-state{color:var(--ink-soft);text-align:center;padding:50px 20px}

.notice{
  color:var(--ink-soft);text-align:center;line-height:1.9;padding:40px 28px;max-width:400px;
  margin:60px auto;background:var(--panel);border:1.5px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);
}
.notice a{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;margin-top:14px;
  padding:11px 22px;border-radius:999px;font-weight:900;font-size:.86rem;text-decoration:none;
  background:linear-gradient(135deg,var(--purple),var(--purple-dark));color:#fff;
  box-shadow:0 4px 0 #4830b8;transition:transform .1s,box-shadow .1s;
}
.notice a:active{transform:translateY(3px);box-shadow:none}
.notice .n-icon{font-size:52px;display:block;margin-bottom:12px;filter:drop-shadow(0 6px 14px rgba(0,0,0,.4))}
.notice .n-title{display:block;font-weight:900;color:#fff;font-size:1.05rem;margin-bottom:4px}
.notice .n-body{display:block;font-size:.88rem}

@media (max-width:640px){
  .hero-panel{padding:20px 16px 18px;flex-direction:column;align-items:flex-start}
  .hero-progress{align-self:flex-end}
  .quest-grid{grid-template-columns:repeat(2,1fr)}
}