:root{--cream:#FFF3DC;--navy:#26305C;--gold:#D9A21B;--paper:#FFFBF0;--line:#E6D5AE;--bad:#9B2C2C;--good:#1E6B45;--mute:#4A5275}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--cream);color:var(--navy);font-family:"Malgun Gothic","Apple SD Gothic Neo","Noto Sans KR",system-ui,sans-serif;font-size:16px;line-height:1.55;padding-bottom:72px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:var(--cream);padding:8px 12px;z-index:20}
.skip:focus{left:8px;top:8px}
.top{background:var(--navy);padding:10px 16px;position:sticky;top:0;z-index:10}
.brand{background:none;border:0;color:var(--cream);font:inherit;font-size:17px;cursor:pointer;padding:4px 0}
.brand b{color:var(--gold)}
main{max-width:560px;margin:0 auto;padding:14px 16px;outline:none}
h1{font-size:22px;margin:6px 0 10px;line-height:1.3}
h2{font-size:18px;margin:18px 0 8px}
h3{font-size:16px;margin:12px 0 4px}
p{margin:6px 0}
.card{background:var(--paper);border:2px solid var(--navy);border-radius:14px;padding:16px;margin:10px 0}
.small{font-size:13px;color:var(--mute)}
button,.btn{font:inherit;cursor:pointer;border-radius:10px;border:2px solid var(--navy);background:var(--paper);color:var(--navy);padding:10px 14px;min-height:44px;text-decoration:none;display:inline-block;text-align:center}
button:hover,.btn:hover{background:#FBE7B4}
.primary{background:var(--navy);color:var(--cream)}
.primary:hover{background:#1B2347}
.gold{background:var(--gold);border-color:var(--gold);color:var(--navy);font-weight:700}
.gold:hover{background:#C4920F}
.danger{border-color:var(--bad);color:var(--bad)}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;box-shadow:0 0 0 5px var(--navy)}
.row{display:flex;gap:8px;flex-wrap:wrap}
.row>*{flex:1 1 140px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.stat{text-align:center;padding:10px 4px}
.stat b{display:block;font-size:26px;line-height:1.1}
.bar{height:12px;background:#EBDDB8;border-radius:8px;overflow:hidden;border:1px solid var(--navy)}
.bar i{display:block;height:100%;background:var(--gold)}
.chips{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.chip{min-height:40px;padding:6px 12px;border-radius:20px}
.chip[aria-pressed=true]{background:var(--navy);color:var(--cream)}
.tabs{position:fixed;bottom:0;left:0;right:0;background:var(--navy);display:flex;justify-content:center;gap:2px;padding:6px 6px calc(6px + env(safe-area-inset-bottom));z-index:10}
.tabs button{flex:1;max-width:110px;background:transparent;color:var(--cream);border:2px solid transparent;padding:6px 2px;font-size:14px;min-height:44px}
.tabs button[aria-current=page]{background:var(--gold);color:var(--navy);font-weight:700}
.flash{perspective:900px}
.flip{width:100%;min-height:260px;display:block;text-align:center;padding:22px 16px;border-width:3px;background:var(--paper)}
.flip .w{font-size:34px;font-weight:800;word-break:break-word}
.flip .pos{color:var(--mute);margin-top:4px}
.flip .hint{margin-top:18px;font-size:14px;color:var(--mute)}
.back{text-align:left}
.back .m{font-size:22px;font-weight:800}
.ex{border-left:4px solid var(--gold);padding-left:10px;margin:10px 0}
.ex .tr{color:var(--mute);font-size:14px}
.tip{background:#FBEFD0;border-radius:8px;padding:8px 10px;margin:8px 0;font-size:15px}
.speak{margin:8px 0}
.notice{background:#FBEFD0;border:2px dashed var(--gold);border-radius:10px;padding:8px 10px;font-size:14px;margin:8px 0}
.opts{display:grid;gap:8px;margin:10px 0}
.opts button{text-align:left}
.opts button.ok{background:#D6EBDD;border-color:var(--good);color:#12432B;font-weight:700}
.opts button.ng{background:#F5D9D9;border-color:var(--bad);color:#6B1B1B}
.q{font-size:18px;line-height:1.6}
.blank{display:inline-block;min-width:3em;border-bottom:3px solid var(--gold);text-align:center;font-weight:800}
.verdict{font-weight:800;margin:8px 0}
.verdict.good{color:var(--good)}.verdict.bad{color:var(--bad)}
.prog{font-size:14px;color:var(--mute);margin-bottom:6px}
.pair{display:grid;grid-template-columns:1fr auto 1fr;gap:6px;align-items:center;text-align:center}
.pair .x{font-weight:800;color:var(--gold)}
.pair .pw{background:#FBEFD0;border-radius:10px;padding:8px 4px}
.pair .pw b{font-size:18px;display:block}
.doc h2{font-size:17px}
footer{max-width:560px;margin:8px auto 0;padding:10px 16px;text-align:center;border-top:1px solid var(--line)}
footer p{margin:4px 0}
footer .more{font-size:14px}
footer a{color:var(--navy)}
@media (min-width:600px){body{padding-bottom:80px}}
@media (prefers-reduced-motion:no-preference){.card{transition:none}}