:root{
  color-scheme:light only;
  --bg:#f6faff;
  --bg-soft:#eef6ff;
  --surface:#ffffff;
  --surface-2:#fbfdff;
  --ink:#172744;
  --ink-2:#586a86;
  --line:#d8e4f1;
  --primary:#3f80dc;
  --primary-soft:#e8f2ff;
  --hero-a:#dceeff;
  --hero-b:#e7f8f1;
  --mint:#e4f8ef;
  --mint-ink:#238d6f;
  --cream:#fff4cf;
  --cream-ink:#9f7700;
  --pink:#fff0f4;
  --pink-ink:#c64f75;
  --purple:#f0ebff;
  --purple-ink:#7059bd;
  --success:#23946f;
  --danger:#c84e72;
  --shadow:0 8px 24px rgba(45,76,118,.08);
  --radius:20px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;min-height:100%;background:var(--bg);color:var(--ink)}
body{font-family:"Apple SD Gothic Neo","Malgun Gothic","맑은 고딕",system-ui,sans-serif;background:linear-gradient(180deg,#f4f9ff 0%,#fbfdff 55%,#ffffff 100%) fixed;-webkit-text-size-adjust:100%;line-height:1.55}
button,textarea,input{font:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(63,128,220,.35);outline-offset:2px;border-radius:10px}
#app{max-width:720px;margin:0 auto;min-height:100vh;min-height:100dvh;position:relative;padding-bottom:78px;background:transparent}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:8px;height:58px;padding:0 18px;background:rgba(248,251,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar .back{width:36px;height:36px;border:none;border-radius:12px;background:var(--primary-soft);color:var(--primary);font-size:20px;font-weight:800;display:none;align-items:center;justify-content:center}
.topbar.sub .back{display:flex}
.topbar .title{font-size:19px;font-weight:850;letter-spacing:-.45px}
.topbar .sub2{margin-left:auto;font-size:13px;color:var(--ink-2);font-weight:700}
.wrap{padding:20px 18px 28px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);margin-bottom:14px}
.card.blue{background:var(--primary-soft);border-color:#cfe4ff}
.card.mint{background:var(--mint);border-color:#ccefe2}
.card.yellow{background:var(--cream);border-color:#f2e2a7}
.card.pink{background:var(--pink);border-color:#f4ccd8}
.card.purple{background:var(--purple);border-color:#ddd2ff}
.card h3{margin:0 0 8px;font-size:18px;letter-spacing:-.35px}.muted{color:var(--ink-2);font-size:14px}.eyebrow{font-size:12px;font-weight:850;letter-spacing:.3px;color:var(--primary);margin-bottom:5px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:14px;padding:12px 16px;font-size:14px;font-weight:800;background:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(63,128,220,.18)}
.btn.ghost{background:var(--primary-soft);color:var(--primary);box-shadow:none}.btn.mint{background:var(--success)}.btn.pink{background:var(--danger)}.btn.yellow{background:#b48a11}.btn.purple{background:var(--purple-ink)}.btn.wide{width:100%}.btn.sm{padding:9px 12px;font-size:13px;border-radius:11px}.btn:disabled{opacity:.52;cursor:default}
.row{display:flex;gap:8px;flex-wrap:wrap}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.pill{display:inline-block;font-size:11px;font-weight:800;padding:4px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary)}.pill.g{background:var(--mint);color:var(--mint-ink)}.pill.p{background:var(--pink);color:var(--pink-ink)}.pill.y{background:var(--cream);color:var(--cream-ink)}
.hero{background:linear-gradient(135deg,var(--hero-a),var(--hero-b));border:1px solid #cde5f7;border-radius:26px;padding:26px 22px;margin-bottom:18px;box-shadow:0 10px 28px rgba(60,110,160,.08)}
.hero h1{margin:0;font-size:28px;line-height:1.28;letter-spacing:-.8px}.hero p{margin:10px 0 0;color:var(--ink-2);font-size:15px}.stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;text-align:center;box-shadow:0 4px 14px rgba(45,76,118,.05)}.stat b{display:block;font-size:25px}.stat span{font-size:12px;color:var(--ink-2)}
.menu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mtile{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px 8px;text-align:center;box-shadow:var(--shadow)}.mtile .ic{font-size:25px}.mtile .lb{font-size:14px;font-weight:800;margin-top:7px}
.nav{position:fixed;left:0;right:0;bottom:0;z-index:30;max-width:720px;margin:0 auto;height:72px;display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.98);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.nav button{border:none;background:none;color:#65758d;font-size:12px;font-weight:800;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px}.nav button .ic{font-size:21px}.nav button.on{color:var(--primary)}.nav.hide{display:none}
.word,.rec,.exam-top{border:1px solid var(--line);border-radius:18px;padding:16px;margin-bottom:12px;background:#fff;box-shadow:0 5px 16px rgba(45,76,118,.05)}.word .hd{display:flex;align-items:center;justify-content:space-between;gap:8px}.word .en{font-size:21px;font-weight:850}.word .body{margin-top:10px;display:none}.word.open .body{display:block}.rank{display:flex;gap:9px;margin:7px 0}.rank .n{flex:0 0 auto;font-size:11px;font-weight:850;color:#fff;border-radius:9px;padding:3px 9px;height:fit-content}.r1{background:#bf1740}.r2{background:#245ed6}.r3{background:#168253}.r4{background:#9d481e}.done-tag{font-size:11px;color:var(--success);font-weight:850}.spk{width:38px;height:38px;border:none;border-radius:12px;background:var(--primary-soft);color:var(--primary);font-size:16px}
.prog{height:9px;border-radius:99px;background:#edf2f8;overflow:hidden;margin-top:9px}.prog i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--success));width:0;transition:width .3s}.choice{display:block;width:100%;text-align:left;border:1.5px solid var(--line);background:#fff;border-radius:14px;padding:14px 16px;margin-bottom:9px;font-size:14px;color:var(--ink)}.choice.sel{border-color:var(--primary);background:#edf5ff}.choice.correct{border-color:var(--success);background:#eaf8f2}.choice.wrong{border-color:var(--danger);background:#fff0f4}.qnum{font-size:12px;color:var(--ink-2);font-weight:800}
.score-ring{width:124px;height:124px;border-radius:50%;margin:0 auto 10px;display:flex;align-items:center;justify-content:center;flex-direction:column;background:conic-gradient(var(--success) var(--deg,0deg),#edf2f8 0deg)}.score-ring .in{width:98px;height:98px;border-radius:50%;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center}.score-ring b{font-size:27px}.score-ring span{font-size:11px;color:var(--ink-2)}
.tabs{display:flex;gap:7px;overflow-x:auto;padding-bottom:5px;margin-bottom:12px}.tabs button{flex:0 0 auto;border:1px solid var(--line);background:#fff;color:var(--ink-2);border-radius:999px;padding:9px 14px;font-size:13px;font-weight:800}.tabs button.on{background:var(--primary);color:#fff;border-color:var(--primary)}.empty{text-align:center;color:var(--ink-2);padding:30px 10px}.empty .ic{font-size:36px}.notice{font-size:13px;color:var(--ink-2);background:#f4f8fd;border:1px dashed var(--line);border-radius:14px;padding:12px 14px;margin-top:11px}.foot{text-align:center;color:#9aabc1;font-size:11px;padding:16px}
.aibox{background:var(--mint);border:1px solid #caecdf;border-radius:16px;padding:15px;margin-top:11px;font-size:14px;line-height:1.75;color:var(--ink)}.aibox.err{background:var(--pink);border-color:#efc7d3;color:var(--ink)}.spin{display:inline-block;width:16px;height:16px;border:2.5px solid #cfe0f5;border-top-color:var(--primary);border-radius:50%;animation:sp .7s linear infinite;vertical-align:-3px}@keyframes sp{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.spin{animation:none}}
.chat{display:flex;flex-direction:column;gap:9px;padding-bottom:9px}.bubble{max-width:86%;padding:11px 14px;border-radius:17px;font-size:14px;line-height:1.6;white-space:pre-wrap}.bubble.ai{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px}.bubble.me{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:5px}.bubble .kr{display:block;margin-top:7px;padding-top:7px;border-top:1px dashed rgba(0,0,0,.12);font-size:12px;color:var(--ink-2)}.bubble.me .kr{border-top-color:rgba(255,255,255,.35);color:#edf5ff}.bubble .fix{display:block;margin-top:6px;font-size:12px;color:var(--danger);font-weight:800}.inbar{position:sticky;bottom:0;background:var(--bg);padding:9px 0 5px;display:flex;gap:8px;align-items:flex-end}.inbar textarea{flex:1;border:1.5px solid var(--line);border-radius:15px;padding:11px 13px;font-size:14px;resize:none;max-height:120px;background:#fff;color:var(--ink)}.chip{flex:0 0 auto;border:1px solid var(--line);background:#fff;color:var(--primary);border-radius:999px;padding:8px 12px;font-size:12px;font-weight:800}.chiprow{display:flex;gap:7px;overflow-x:auto;padding-bottom:7px;margin-bottom:7px}
.mascot{font-size:56px;text-align:center;animation:pop .5s ease}@keyframes pop{0%{transform:scale(.4)}60%{transform:scale(1.15)}100%{transform:scale(1)}}.mascot.happy{animation:bounce .8s ease infinite}@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}@media (prefers-reduced-motion:reduce){.mascot,.mascot.happy{animation:none}}.speech{background:#fff;border:1px solid var(--line);border-radius:16px;padding:11px 15px;text-align:center;font-weight:800;margin:7px auto 0;max-width:290px}
@media(max-width:420px){.wrap{padding:16px 12px 24px}.topbar{padding:0 14px}.hero{padding:22px 18px}.hero h1{font-size:25px}.card{padding:16px}.menu-grid{gap:9px}.mtile{padding:17px 6px}}