:root{
  --bg:#f5f4f0; --surface:#fbfbf9; --panel:#ffffff; --panel-soft:#f7f6f2;
  --ink:#1c1c1a; --ink-hover:#3a3935; --ink-2:#55534d; --sub:#7a776f; --muted:#8a877f;
  --line:#e3e1db; --line-2:#dcdad3; --line-3:#efeee9; --hover:#efeee9; --soft:#f3f2ee; --track:#ebe9e3;
  --accent:#1c1c1a;
  --font:"IBM Plex Sans KR",sans-serif; --mono:"JetBrains Mono",monospace;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit}
.mono-label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted)}
.app{min-height:calc(100vh - 48px);display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 28px;border-bottom:1px solid var(--line);background:var(--surface);flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:14px;min-width:0;flex-wrap:wrap}
.home{font-size:13px;color:var(--ink-2);text-decoration:none}
.home:hover{color:var(--ink)}
.brand-title{font-size:17px;font-weight:700;letter-spacing:-.01em}
.btn{height:36px;padding:0 14px;background:transparent;border:1px solid var(--line-2);border-radius:999px;font-size:13px;cursor:pointer}
.btn:hover{background:var(--hover)}
.btn:disabled{opacity:.4;cursor:default}
.btn:disabled:hover{background:transparent}
.btn--solid{background:var(--ink);color:#fff;border:none;font-weight:500}
.btn--solid:hover{background:var(--ink-hover)}
.text-input{height:40px;padding:0 12px;background:var(--surface);border:1px solid var(--line-2);border-radius:8px;font:inherit;font-size:14px;color:var(--ink)}
@media (max-width:640px){ .topbar{padding:14px 16px} }

/* ---------- 게임 공통 셸 ---------- */
.actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.btn--accent{background:var(--accent);color:#fff;border:none;font-weight:500}
.btn--accent:hover{background:var(--accent);filter:brightness(1.08)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.game{flex:1;display:flex;flex-wrap:wrap;align-items:stretch;min-height:0}
.stage{flex:999 1 420px;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:40px 28px}
.side{flex:1 1 300px;min-width:0;max-width:100%;border-left:1px solid var(--line);background:var(--panel);padding:28px 24px 40px;display:flex;flex-direction:column;gap:28px}
.group{display:flex;flex-direction:column;gap:12px}
.group + .group{border-top:1px solid var(--line-3);padding-top:24px}
.rules{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--ink-2);line-height:1.6;counter-reset:rule}
.rules li{display:flex;gap:10px}
.rules li::before{counter-increment:rule;content:counter(rule,decimal-leading-zero);font-family:var(--mono);font-size:11px;color:var(--accent);padding-top:3px;flex-shrink:0}
.keys{display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--ink-2)}
.keys div{display:flex;justify-content:space-between;align-items:center;gap:12px}
.kbd{display:inline-block;font-family:var(--mono);font-size:11px;line-height:1.4;padding:1px 6px;border:1px solid var(--line-2);border-bottom-width:2px;border-radius:5px;background:var(--surface);color:var(--ink)}
.best-card{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:16px;border-radius:12px;background:var(--panel-soft)}
.best-val{font-family:var(--mono);font-size:28px;font-weight:500;letter-spacing:-.02em}
.seg{display:flex;background:var(--soft);border-radius:999px;padding:3px;gap:2px}
.seg-btn{flex:1;height:30px;padding:0 10px;background:transparent;color:var(--sub);border:none;border-radius:999px;font-size:12px;cursor:pointer;white-space:nowrap}
.seg-btn.is-active{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.link-btn{padding:0;background:none;border:none;font-size:12px;color:var(--muted);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
@media (max-width:640px){
  .stage{padding:24px 16px}
  .side{border-left:none;border-top:1px solid var(--line);padding:24px 16px 40px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}


/* ---------- 냠냠 미로 (한밤 네온) ---------- */
:root{--accent:#7ccf1c;--night:#0a0f2c;--night-2:#131a45;--lime:#b6f24a}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.stage{gap:14px;background:linear-gradient(180deg,#e9ecf8 0%,var(--bg) 65%)}
.hud{display:grid;grid-template-columns:1.2fr .8fr 1fr 1.2fr;gap:8px;width:min(100%,480px)}
.hud-cell{display:flex;flex-direction:column;gap:3px;padding:9px 12px;border-radius:12px;background:var(--panel);border:1px solid var(--line);min-width:0}
.hud-cell b{font-family:var(--mono);font-size:19px;font-weight:700;line-height:1.15;font-variant-numeric:tabular-nums;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hud-cell--best{background:var(--night);border-color:var(--night)}
.hud-cell--best .mono-label{color:#8b95d6}
.hud-cell--best b{color:var(--lime)}
.lives{display:flex;gap:5px;align-items:center;height:22px}
.life{width:15px;height:15px;border-radius:6px;background:var(--lime);box-shadow:inset 0 -2px 0 rgba(0,0,0,.15);transition:transform .3s,opacity .3s}
.life.is-lost{background:var(--line-2);transform:scale(.7);opacity:.6}

.arena{position:relative;width:min(100%,480px,calc((100vh - 310px) * 19 / 21));min-width:260px;aspect-ratio:19/21;padding:8px;border-radius:22px;background:var(--night);box-shadow:0 0 0 1px #1d2660,0 30px 60px -28px rgba(79,107,255,.65);touch-action:none;user-select:none;-webkit-user-select:none;outline:none}
.arena:focus-visible{box-shadow:0 0 0 3px var(--lime)}
.arena canvas{display:block;width:100%;height:100%}
.banner{position:absolute;left:50%;top:51.5%;transform:translate(-50%,-50%);padding:4px 12px;border-radius:999px;background:rgba(10,15,44,.85);font-family:var(--mono);font-weight:800;font-size:clamp(12px,3.4vw,16px);letter-spacing:.14em;color:#ffe14d;white-space:nowrap;pointer-events:none;animation:blink .8s steps(2) infinite}
@keyframes blink{50%{opacity:.35}}
.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:18px;border-radius:22px;background:rgba(10,15,44,.78);backdrop-filter:blur(3px)}
.card{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;color:#fff;max-width:300px}
.card .mono-label{color:var(--lime);font-weight:700}
.card strong{font-size:clamp(19px,5.4vw,25px);line-height:1.3;letter-spacing:-.02em;word-break:keep-all}
.card p{margin:0 0 4px;font-size:12.5px;line-height:1.65;color:#c5cbf2;word-break:keep-all}
.app[data-state="over"] .card strong{font-family:var(--mono);font-size:clamp(24px,7vw,34px)}
.btn--accent{color:#0a0f2c}
.app[data-state="dying"] .arena{animation:shake .4s}
@keyframes shake{20%{transform:translateX(-4px)}40%{transform:translateX(4px)}60%{transform:translateX(-3px)}80%{transform:translateX(2px)}}

.dpad{display:none;grid-template-columns:repeat(3,58px);grid-template-rows:repeat(3,50px);gap:6px}
.dpad-btn{border:none;border-radius:14px;background:var(--night-2);color:#b8c0f0;font-size:16px;cursor:pointer;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;box-shadow:0 3px 0 #05081c}
.dpad-btn.up{grid-area:1/2}
.dpad-btn.left{grid-area:2/1}
.dpad-btn.mid{grid-area:2/2;background:transparent;box-shadow:inset 0 0 0 2px var(--night-2);color:var(--sub);font-family:var(--mono);font-weight:800;font-size:12px}
.dpad-btn.right{grid-area:2/3}
.dpad-btn.down{grid-area:3/2}
.dpad-btn.is-press{background:var(--lime);color:var(--night);transform:translateY(2px);box-shadow:0 1px 0 #05081c}
.stage-hint{margin:0;font-size:12px;color:var(--muted);text-align:center;word-break:keep-all}
@media (hover:none),(max-width:760px){ .dpad{display:grid} .stage-hint{display:none} }

.chasers{display:flex;flex-direction:column;gap:10px}
.chasers div{display:grid;grid-template-columns:22px 52px 1fr;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2)}
.chasers i{width:18px;height:18px;background:var(--c);clip-path:polygon(50% 0,61% 30%,93% 25%,72% 50%,93% 75%,61% 70%,50% 100%,39% 70%,7% 75%,28% 50%,7% 25%,39% 30%)}
.chasers b{font-weight:700;color:var(--ink);font-size:13px}
@media (max-width:640px){
  .stage{padding:16px 16px 24px}
  .arena{width:100%;padding:5px;border-radius:16px}
  .overlay{border-radius:16px}
  .hud{gap:6px}
  .hud-cell{padding:8px 9px}
  .hud-cell b{font-size:16px}
  .life{width:12px;height:12px;border-radius:5px}
}
.check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);cursor:pointer;margin-top:4px}
.check input{width:16px;height:16px;accent-color:var(--accent)}

/* 다크 모드 (인쇄는 라이트 그대로): 미로판은 원래 한밤 네온이라 테두리만 */
@media screen{
  :root[data-theme="dark"]{
    color-scheme:dark;
    --bg:#121320; --surface:#171826; --panel:#1c1d2c; --panel-soft:#212232;
    --ink:#eaebf3; --ink-hover:#ffffff; --ink-2:#c6c8d8; --sub:#9da0b3; --muted:#888b9e;
    --line:#2b2d3e; --line-2:#363849; --line-3:#232534; --hover:#272939; --soft:#232534; --track:#323446;
    --accent:#8ddc2c;
  }
  :root[data-theme="dark"] .btn--solid{color:var(--bg)}
  :root[data-theme="dark"] .seg-btn.is-active{background:var(--track);box-shadow:0 1px 3px rgba(0,0,0,.4)}
  :root[data-theme="dark"] .stage{background:linear-gradient(180deg,#1a1d3a 0%,var(--bg) 65%)}
  :root[data-theme="dark"] .hud-cell--best{border-color:#252f6e}
  :root[data-theme="dark"] .arena{box-shadow:0 0 0 1px #2a3478,0 30px 60px -28px rgba(79,107,255,.45)}
  :root[data-theme="dark"] .dpad-btn{box-shadow:0 0 0 1px #252f6e,0 3px 0 #05081c}
  :root[data-theme="dark"] .dpad-btn.mid{box-shadow:inset 0 0 0 2px #2a3478}
  :root[data-theme="dark"] .dpad-btn.is-press{box-shadow:0 1px 0 #05081c}
}