:root{font-family:"Pretendard","Noto Sans KR",system-ui,sans-serif;color:#f8fafc;background:#0f172a;--panel:rgba(15,23,42,.88);--line:rgba(255,255,255,.13);--cyan:#67e8f9;--yellow:#fbbf24;--red:#fb7185;--green:#4ade80}
*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:radial-gradient(circle at 15% 10%,rgba(103,232,249,.16),transparent 28rem),radial-gradient(circle at 90% 80%,rgba(251,191,36,.13),transparent 24rem),#0f172a;overscroll-behavior:none;-webkit-tap-highlight-color:transparent}button{font:inherit}.app{width:min(100%,560px);min-height:100dvh;margin:auto;padding:18px 16px 26px;display:flex;flex-direction:column;gap:14px}.topbar,.stats,.panel{border:1px solid var(--line);background:var(--panel);box-shadow:0 18px 60px rgba(0,0,0,.24);backdrop-filter:blur(16px)}.topbar{border-radius:24px;padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px}.eyebrow{margin:0 0 4px;color:var(--cyan);font-size:.72rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase}h1{margin:0;font-size:clamp(1.25rem,5vw,1.7rem);line-height:1.15}.badge{flex:none;padding:7px 10px;border:1px solid rgba(251,191,36,.35);border-radius:999px;color:#fde68a;background:rgba(251,191,36,.13);font-size:.68rem;font-weight:900}.stats{border-radius:18px;padding:10px 14px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.stat{text-align:center}.label{display:block;color:#a9b7ca;font-size:.7rem}.value{display:block;margin-top:2px;font-size:1.15rem;font-weight:900}.danger{color:var(--red)!important}.panel{border-radius:22px;padding:14px}.instructions{margin:0;color:#b8c4d5;font-size:.84rem;line-height:1.55}.message{min-height:2.9rem;margin:0;padding:10px 14px;display:grid;place-items:center;border-radius:14px;background:rgba(255,255,255,.055);color:#a9b7ca;font-size:.84rem;font-weight:800;text-align:center}.message.success{color:var(--green)}.message.error{color:var(--red)}.primary,.secondary{min-height:46px;padding:10px 16px;border-radius:14px;font-weight:900;cursor:pointer}.primary{border:0;color:#082f49;background:linear-gradient(135deg,#67e8f9,#a7f3d0)}.secondary{color:#fff;background:rgba(255,255,255,.07);border:1px solid var(--line)}button:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}.modal{position:fixed;inset:0;z-index:20;padding:20px;display:grid;place-items:center;background:rgba(2,6,23,.8);backdrop-filter:blur(10px)}.modal[hidden]{display:none}.modal-card{width:min(100%,390px);padding:26px;border:1px solid var(--line);border-radius:26px;background:#172033;text-align:center}.modal-icon{font-size:3rem}.modal h2{margin:8px 0;font-size:1.7rem}.result-score{margin:10px 0;color:var(--yellow);font-size:2rem;font-weight:1000}.result-note{color:#a9b7ca;font-size:.82rem;line-height:1.5}.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}@media(max-width:360px){.app{padding-inline:10px}.panel{padding:11px}}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media(max-width:430px){.topbar{align-items:flex-start;flex-wrap:wrap}.badge{padding:5px 8px;font-size:.62rem}.stats{padding-inline:6px}.value{font-size:1.05rem}}
.screen-restart{width:100%}.screen-restart[hidden]{display:none}
.top-actions{display:flex;align-items:center;gap:8px}.sound-toggle{width:34px;height:34px;padding:0;border:1px solid var(--line);border-radius:50%;color:#fff;background:rgba(255,255,255,.08);cursor:pointer}.sound-toggle:hover{background:rgba(255,255,255,.15)}