: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}
}


/* ---------- 블록 쌓기 퍼즐 (보랏빛 아케이드) ---------- */
:root{--accent:#7b5cff;--well:#16142b;--well-2:#221f3f;--frame:#2b2752}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.stage{gap:16px;background:radial-gradient(120% 80% at 50% 0%,#efeaff 0%,var(--bg) 60%)}
.hud{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;width:min(100%,520px)}
.hud-item{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:12px;background:var(--panel);border:1px solid var(--line);min-width:0}
.hud-item b{font-family:var(--mono);font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.15;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hud-item--best{background:var(--frame);border-color:var(--frame)}
.hud-item--best .mono-label{color:#a49ddb}
.hud-item--best b{color:#fff}

.cabinet{--bw:min(300px,calc(100vw - 196px),calc((100vh - 330px) / 2));display:grid;grid-template-columns:76px auto 76px;gap:10px;align-items:start;padding:12px;border-radius:24px;background:linear-gradient(160deg,#35307a,#1d1a3c);box-shadow:0 2px 0 #0e0c22,0 34px 60px -28px rgba(91,64,255,.55)}
.col{display:flex;flex-direction:column;gap:10px;min-width:0}
.mini{display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 4px 6px;border-radius:14px;background:var(--well);box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.mini-label{font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.18em;color:#8c86c8}
.mini canvas{display:block;width:64px;height:64px}
.mini--next canvas{height:192px}
.combo{min-height:40px;font-family:var(--mono);font-weight:800;font-size:13px;color:#ffe066;text-align:center;opacity:0;transform:translateY(6px);word-break:keep-all}
.combo.is-on{animation:pop .9s ease-out}
@keyframes pop{0%{opacity:0;transform:translateY(8px) scale(.8)}20%{opacity:1;transform:translateY(0) scale(1.1)}70%{opacity:1}100%{opacity:0;transform:translateY(-10px)}}

.well{position:relative;width:max(170px,var(--bw));aspect-ratio:1/2;border-radius:10px;overflow:hidden;background:var(--well);box-shadow:inset 0 0 0 2px rgba(255,255,255,.08);touch-action:none;user-select:none;-webkit-user-select:none;outline:none}
.well:focus-visible{box-shadow:0 0 0 3px #ffe066}
.well canvas{display:block;width:100%;height:100%}
.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:14px;background:rgba(18,16,40,.74);backdrop-filter:blur(2px)}
.overlay-card{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;color:#fff}
.overlay-card .mono-label{color:#ffe066;font-weight:700}
.overlay-title{font-size:clamp(18px,4.6vw,26px);font-weight:700;letter-spacing:-.02em;line-height:1.2;word-break:keep-all}
.overlay-sub{margin:0;font-size:12.5px;line-height:1.6;color:#c9c5ef;word-break:keep-all}
.app[data-state="over"] .overlay-title{font-family:var(--mono);font-size:clamp(22px,6vw,32px)}

.pad{display:none;flex-direction:column;gap:8px;width:min(100%,420px)}
.pad-row{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.pad-btn{height:54px;border:none;border-radius:14px;background:var(--frame);color:#e6e2ff;font-family:var(--mono);font-size:18px;font-weight:700;cursor:pointer;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;box-shadow:0 3px 0 #15122e}
.pad-btn[data-act="hold"],.pad-btn[data-act="pause"],.pad-btn--drop{font-size:12px;letter-spacing:.08em}
.pad-btn--main{background:var(--accent);color:#fff}
.pad-btn--drop{background:#ff5a76;color:#fff}
.pad-btn.is-press{transform:translateY(2px);box-shadow:0 1px 0 #15122e;filter:brightness(1.15)}
.stage-hint{margin:0;font-size:12px;color:var(--muted);text-align:center;word-break:keep-all}
@media (hover:none),(max-width:760px){
  .pad{display:flex}
  .stage-hint{display:none}
}

.score-table{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--ink-2)}
.score-table div{display:flex;justify-content:space-between;gap:12px;padding-bottom:6px;border-bottom:1px dashed var(--line)}
.score-table b{font-family:var(--mono);font-weight:500;font-size:12px;color:var(--ink)}
.check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);cursor:pointer}
.check input{width:16px;height:16px;accent-color:var(--accent)}

@media (max-width:640px){
  .stage{padding:16px 16px 24px}
  .cabinet{grid-template-columns:58px auto 58px;gap:7px;padding:8px;border-radius:18px;--bw:calc(100vw - 32px - 16px - 116px - 14px)}
  .mini canvas{width:48px;height:48px}
  .mini--next canvas{height:144px}
  .hud{gap:6px}
  .hud-item{padding:8px 9px}
  .hud-item b{font-size:16px}
}

/* 다크 모드 (인쇄는 라이트 그대로): 오락기 · 게임판은 원래 어두우니 테두리만 */
@media screen{
  :root[data-theme="dark"]{
    color-scheme:dark;
    --bg:#13121a; --surface:#191822; --panel:#1e1d29; --panel-soft:#23222f;
    --ink:#ecebf3; --ink-hover:#ffffff; --ink-2:#c9c7d6; --sub:#a09dae; --muted:#8a8798;
    --line:#2d2b3a; --line-2:#393747; --line-3:#25242f; --hover:#2a2936; --soft:#25242f; --track:#343242;
    --accent:#9a82ff; --frame:#2f2a5c;
  }
  :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:radial-gradient(120% 80% at 50% 0%,#221d3d 0%,var(--bg) 60%)}
  :root[data-theme="dark"] .hud-item--best{border-color:#3d3772}
  :root[data-theme="dark"] .cabinet{box-shadow:0 0 0 1px #3d3772,0 2px 0 #0e0c22,0 34px 60px -28px rgba(91,64,255,.45)}
  :root[data-theme="dark"] .pad-btn--main,:root[data-theme="dark"] .btn--accent{background:#7b5cff}
}