/* =========================================================
   Lesson 6 Let's Travel! — 퀴즈 앱 디자인
   여행 · 여권 · 스탬프 컨셉의 아기자기한 파스텔 테마
   ========================================================= */

:root{
  --sky:#7ec8e3;
  --sky-deep:#4aa3c7;
  --cream:#fff8ec;
  --paper:#ffffff;
  --ink:#3d3a4e;
  --ink-soft:#6f6a85;
  --line:#ece4d8;
  --mint:#8fd9b6;
  --lemon:#ffd96b;
  --coral:#ff9d8a;
  --grape:#b8a6f0;
  --ok:#38b27b;
  --no:#f2657a;
  --shadow:0 4px 0 rgba(0,0,0,.07), 0 10px 24px rgba(61,58,78,.10);
  --round:20px;
}

*{box-sizing:border-box;}
[hidden]{display:none !important;}
html,body{margin:0;padding:0;}
body{
  font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic","맑은 고딕",system-ui,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 12% 8%, #ffe9c9 0 22%, transparent 22.5%),
    radial-gradient(circle at 88% 14%, #d8f0ff 0 18%, transparent 18.5%),
    radial-gradient(circle at 78% 92%, #e6ddff 0 20%, transparent 20.5%),
    linear-gradient(180deg,#fdfaf3 0%, #f3f8fb 100%);
  background-attachment:fixed;
  min-height:100vh;
  -webkit-text-size-adjust:100%;
}

/* 하늘에 떠다니는 장식 */
.sky-deco{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden;}
.sky-deco span{position:absolute;font-size:28px;opacity:.35;animation:drift linear infinite;}
@keyframes drift{
  from{transform:translateX(-12vw) translateY(0) rotate(0deg);}
  to{transform:translateX(115vw) translateY(-30px) rotate(12deg);}
}

.wrap{position:relative;z-index:1;max-width:760px;margin:0 auto;padding:20px 16px 60px;}

/* ---------- 공통 카드 ---------- */
.card{
  background:var(--paper);
  border:3px solid var(--ink);
  border-radius:var(--round);
  box-shadow:var(--shadow);
  padding:24px;
}

/* ---------- 시작 화면 ---------- */
.hero{text-align:center;padding:30px 24px 26px;}
.hero .plane{font-size:54px;display:block;animation:fly 3.4s ease-in-out infinite;}
@keyframes fly{0%,100%{transform:translateY(0) rotate(-6deg);}50%{transform:translateY(-12px) rotate(4deg);}}
.hero h1{
  margin:10px 0 4px;font-size:30px;letter-spacing:-.5px;
  background:linear-gradient(90deg,var(--sky-deep),var(--grape));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .sub{margin:0;color:var(--ink-soft);font-size:15px;font-weight:600;}

.ticket{
  margin:22px 0 4px;padding:16px;border:2px dashed var(--line);
  border-radius:16px;background:var(--cream);
}
.ticket h2{margin:0 0 14px;font-size:16px;letter-spacing:1px;color:var(--ink-soft);}

.field{margin-bottom:14px;text-align:left;}
.field label{display:block;font-weight:800;font-size:14px;margin-bottom:7px;}
.field .note{font-weight:600;font-size:12px;color:var(--ink-soft);margin-left:6px;}

.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  border:2px solid var(--ink);border-radius:999px;background:#fff;
  padding:9px 0;width:56px;text-align:center;font-weight:800;font-size:15px;
  cursor:pointer;transition:transform .12s, background .12s;
  font-family:inherit;color:var(--ink);
}
.chip:hover{transform:translateY(-2px);}
.chip[aria-pressed="true"]{background:var(--lemon);box-shadow:0 3px 0 var(--ink);}
.chips.small .chip{width:46px;padding:7px 0;font-size:14px;}
.num-grid{max-height:132px;overflow-y:auto;padding:4px;border:2px solid var(--line);border-radius:12px;background:#fff;}

input[type="text"]{
  width:100%;padding:13px 14px;border:2px solid var(--ink);border-radius:14px;
  font-size:17px;font-family:inherit;font-weight:700;background:#fff;color:var(--ink);
}
input[type="text"]:focus{outline:3px solid var(--sky);outline-offset:1px;}
.err{color:var(--no);font-size:13px;font-weight:700;margin-top:6px;min-height:18px;}

.btn{
  display:inline-block;border:3px solid var(--ink);border-radius:16px;
  padding:14px 26px;font-size:17px;font-weight:900;font-family:inherit;
  background:var(--lemon);color:var(--ink);cursor:pointer;
  box-shadow:0 4px 0 var(--ink);transition:transform .1s, box-shadow .1s;
}
.btn:hover{transform:translateY(2px);box-shadow:0 2px 0 var(--ink);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.btn.big{width:100%;margin-top:8px;font-size:19px;padding:16px;}
.btn.ghost{background:#fff;}
.btn.mint{background:var(--mint);}
.btn.grape{background:var(--grape);}

.rules{margin:18px 0 0;padding:14px 16px;border-radius:14px;background:#eef7fb;text-align:left;}
.rules li{font-size:13.5px;font-weight:600;color:var(--ink-soft);margin:5px 0;}

/* ---------- 퀴즈 상단바 ---------- */
.topbar{
  position:sticky;top:0;z-index:20;margin:-20px -16px 14px;padding:12px 16px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:3px solid var(--ink);
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.pill{
  border:2px solid var(--ink);border-radius:999px;padding:5px 12px;
  font-weight:900;font-size:14px;background:#fff;white-space:nowrap;
}
.pill.time{background:var(--mint);}
.pill.time.warn{background:var(--coral);animation:pulse .9s infinite;}
@keyframes pulse{50%{transform:scale(1.06);}}
.pill.score{background:var(--grape);}
.pill.combo{background:var(--lemon);}
.bar{flex:1 1 100%;height:14px;border:2px solid var(--ink);border-radius:999px;background:#fff;overflow:hidden;}
.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--sky),var(--mint));transition:width .35s;}

/* ---------- 문항 ---------- */
.qhead{display:flex;align-items:center;gap:8px;margin-bottom:14px;flex-wrap:wrap;}
.badge{border:2px solid var(--ink);border-radius:999px;padding:3px 11px;font-size:13px;font-weight:900;}
.badge.하{background:var(--mint);}
.badge.중{background:var(--lemon);}
.badge.상{background:var(--coral);}
.badge.tag{background:#fff;}
.qno{font-weight:900;font-size:15px;color:var(--ink-soft);margin-left:auto;}

.qtext{font-size:18px;font-weight:700;line-height:1.75;margin:0 0 16px;}
.qtext .sent{
  display:inline-block;margin-top:10px;padding:10px 14px;border-radius:12px;
  background:var(--cream);border:2px solid var(--line);
  font-family:"Georgia",serif;font-size:18px;font-weight:600;letter-spacing:.2px;
}
.qtext .ko{display:inline-block;margin-top:8px;font-size:15px;color:var(--ink-soft);font-weight:700;}
.qtext .box{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:#eef7fb;border:2px dashed var(--sky-deep);
  font-family:"Georgia",serif;font-size:15px;font-weight:700;
}

.choices{display:grid;gap:10px;}
.choice{
  display:flex;align-items:center;gap:11px;text-align:left;
  border:2px solid var(--ink);border-radius:14px;background:#fff;
  padding:13px 15px;font-size:17px;font-weight:600;font-family:inherit;color:var(--ink);
  cursor:pointer;transition:transform .1s, background .1s;
}
.choice:hover{transform:translateX(3px);background:#fffdf6;}
.choice .n{
  flex:none;width:26px;height:26px;border-radius:50%;border:2px solid var(--ink);
  display:grid;place-items:center;font-size:13px;font-weight:900;background:var(--cream);
}
.choice[data-state="ok"]{background:#e4f8ee;border-color:var(--ok);}
.choice[data-state="no"]{background:#ffeaee;border-color:var(--no);}
.choice:disabled{cursor:default;transform:none;}

.answer-row{display:flex;gap:9px;margin-top:4px;}
.answer-row input{flex:1;}

.qfoot{display:flex;gap:9px;margin-top:16px;align-items:center;flex-wrap:wrap;}
.hintbox{
  margin-top:13px;padding:12px 14px;border-radius:14px;
  background:#fffbe8;border:2px dashed var(--lemon);
  font-size:14.5px;font-weight:700;line-height:1.65;
}
.hintbox b{color:var(--sky-deep);}

/* ---------- 스탬프 줄 ---------- */
.stamps{display:flex;flex-wrap:wrap;gap:5px;margin-top:16px;justify-content:center;}
.stamps i{
  width:22px;height:22px;border-radius:50%;border:2px dashed var(--line);
  display:grid;place-items:center;font-size:12px;font-style:normal;
}
.stamps i.ok{border:2px solid var(--ok);background:#e4f8ee;}
.stamps i.no{border:2px solid var(--no);background:#ffeaee;}

/* ---------- 팝업 ---------- */
.pop-bg{
  position:fixed;inset:0;background:rgba(61,58,78,.45);backdrop-filter:blur(3px);
  display:none;place-items:center;z-index:100;padding:18px;
}
.pop-bg.on{display:grid;}
.pop{
  width:100%;max-width:460px;background:var(--paper);
  border:3px solid var(--ink);border-radius:24px;box-shadow:var(--shadow);
  padding:24px;text-align:center;animation:popin .28s cubic-bezier(.2,1.4,.4,1);
}
@keyframes popin{from{transform:scale(.8) translateY(20px);opacity:0;}to{transform:none;opacity:1;}}
.pop .face{font-size:52px;display:block;margin-bottom:6px;}
.pop h3{margin:0 0 10px;font-size:22px;}
.pop h3.ok{color:var(--ok);}
.pop h3.no{color:var(--no);}
.pop .correct{
  margin:12px 0;padding:12px;border-radius:14px;background:var(--cream);
  border:2px solid var(--line);font-family:"Georgia",serif;font-size:17px;font-weight:700;
}
.pop .correct small{display:block;font-family:inherit;font-size:12px;font-weight:800;color:var(--ink-soft);margin-bottom:4px;letter-spacing:1px;}
.pop .why{font-size:14.5px;font-weight:600;line-height:1.75;text-align:left;color:var(--ink-soft);}
.pop .why b{color:var(--ink);background:linear-gradient(transparent 60%, var(--lemon) 60%);}
.pop .gain{font-size:15px;font-weight:900;margin-top:10px;}

/* ---------- 결과 ---------- */
.result{text-align:center;}
.result .medal{font-size:66px;display:block;animation:fly 3s ease-in-out infinite;}
.result h1{margin:6px 0 2px;font-size:28px;}
.result .who{color:var(--ink-soft);font-weight:800;margin:0 0 16px;}
.bigscore{
  display:inline-block;padding:16px 34px;border:3px solid var(--ink);border-radius:22px;
  background:var(--lemon);box-shadow:0 5px 0 var(--ink);
}
.bigscore b{font-size:52px;line-height:1;}
.bigscore span{font-size:19px;font-weight:800;}
.msg{margin:18px 0 6px;font-size:16px;font-weight:800;}

.breakdown{display:grid;gap:9px;margin:20px 0;text-align:left;}
.brow{
  display:flex;align-items:center;gap:10px;padding:11px 14px;
  border:2px solid var(--ink);border-radius:14px;background:#fff;font-weight:800;font-size:14.5px;
}
.brow .lv{flex:none;}
.brow .track{flex:1;height:11px;border-radius:999px;background:var(--line);overflow:hidden;}
.brow .track i{display:block;height:100%;background:var(--sky);}

.review{margin-top:22px;text-align:left;}
.review h3{font-size:17px;margin:0 0 10px;}
.ritem{
  border:2px solid var(--line);border-radius:14px;padding:12px 14px;margin-bottom:9px;background:#fff;
}
.ritem.wrong{border-color:var(--no);background:#fff6f7;}
.ritem .rq{font-size:14px;font-weight:800;margin-bottom:6px;}
.ritem .ra{font-size:13.5px;font-weight:700;color:var(--ink-soft);font-family:"Georgia",serif;}
.ritem .ra b{color:var(--ok);}
.ritem .rm{font-size:13px;font-weight:600;color:var(--ink-soft);margin-top:5px;line-height:1.6;}

/* 종이 조각 */
.confetti{position:fixed;top:-12px;width:10px;height:14px;z-index:99;pointer-events:none;border-radius:2px;}
@keyframes fall{to{transform:translateY(105vh) rotate(720deg);opacity:.15;}}

.foot{text-align:center;margin-top:24px;font-size:12.5px;font-weight:700;color:var(--ink-soft);}

@media (max-width:520px){
  .hero h1{font-size:25px;}
  .qtext{font-size:16.5px;}
  .qtext .sent{font-size:16px;}
  .choice{font-size:16px;}
  .bigscore b{font-size:44px;}
  .card{padding:18px;}
  .answer-row{flex-wrap:wrap;}
  .answer-row input,
  .answer-row .btn{flex:1 1 100%;width:100%;}
  .topbar{gap:6px;}
  .pill{font-size:12.5px;padding:4px 9px;}
}