/* 두뇌 강화 — 게임 화면 (focus 레이아웃 안). 금빛 테마 + 게임에 꼭 필요한 색(색 글자 · 멈춤 신호)만 따로 둔다.
   색만으로 구분하지 않게 멈춤 신호에는 글자('누르기' · '참기')를, 색 글자 버튼에는 이름을 함께 쓴다. */
:root {
  --c-red: #d12f2f; --c-blue: #2463d6; --c-green: #15803d; --c-yellow: #b98900;
  --go: #15803d; --nogo: #d12f2f;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --c-red: #f87171; --c-blue: #6aa2ff; --c-green: #4ade80; --c-yellow: #facc15; --go: #34d399; --nogo: #f87171; }
}
:root[data-theme="dark"] { --c-red: #f87171; --c-blue: #6aa2ff; --c-green: #4ade80; --c-yellow: #facc15; --go: #34d399; --nogo: #f87171; }

.play .focus-top { display: grid; grid-template-columns: auto auto 1fr auto; align-items: center; gap: 12px; }
.play-title { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.progress-wrap { min-width: 0; }
.counter { white-space: nowrap; font-variant-numeric: tabular-nums; }
.play-body { gap: 14px; }
.play-intro { display: grid; gap: 14px; }
.play-intro h1 { font-size: 30px; }
.mode-badge { display: inline-flex; align-items: center; gap: 6px; justify-self: start; padding: 4px 12px; border-radius: 99px; background: color-mix(in srgb, var(--gold-2) 16%, transparent); color: var(--brand-ink); font-weight: 700; font-size: 13px; }
.level-pick { display: grid; gap: 10px; }
.level-now { display: block; font-family: var(--serif); font-size: 26px; }
.level-track { position: relative; height: 8px; border-radius: 5px; background: var(--surface-2); }
.level-track i { position: absolute; inset: 0 auto 0 0; border-radius: 5px; background: var(--gold-2); }
.level-track b { position: absolute; top: -4px; width: 3px; height: 16px; background: var(--ink-2); border-radius: 2px; transform: translateX(-1.5px); }
.how p { line-height: 1.6; }
.seq-badge { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.seq-badge li { font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 99px; background: var(--surface-2); color: var(--muted); }
.seq-badge li.done { background: color-mix(in srgb, var(--gold-2) 30%, var(--surface-2)); color: var(--ink-2); }
.seq-badge li.here { background: var(--accent-strong); color: var(--on-accent); }
.result { display: grid; gap: 14px; }
.result-head { display: flex; gap: 18px; align-items: center; }
.result-head .ring { color: var(--gold-2); flex-shrink: 0; }
.result-head h1 { font-size: 26px; }
.level-change { display: grid; gap: 2px; }
.ok-text { color: var(--ok-ink); } .bad-text { color: var(--bad); }

/* 공통 무대 */
.stage { min-height: 46vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; border-radius: 20px; transition: background 0.15s; padding: 12px; }
.stage.ok { background: color-mix(in srgb, var(--ok-ink) 12%, transparent); }
.stage.no { background: color-mix(in srgb, var(--bad) 12%, transparent); }
.mark { width: 84px; height: 84px; border-radius: 50%; display: grid; place-items: center; background: var(--surface); box-shadow: var(--shadow-1); }
.stage.ok .mark { color: var(--ok-ink); } .stage.no .mark { color: var(--bad); }
.answer { font-size: 18px; font-weight: 700; text-align: center; }
.count-num { font-family: var(--serif); font-size: 96px; line-height: 1; color: var(--brand-ink); }
.big-digit, .big-word { font-family: var(--serif); font-size: 84px; line-height: 1.1; min-height: 1.1em; font-variant-numeric: tabular-nums; text-align: center; }
.big-word { font-size: 56px; word-break: keep-all; }
.big-btn { padding: 18px; font-size: 18px; }

/* 키패드 · 입력 칸 */
.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; max-width: 360px; margin: 0 auto; }
.kp { height: 58px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface); font-size: 22px; font-weight: 700; display: grid; place-items: center; box-shadow: var(--shadow-1); }
.kp:active { transform: scale(0.96); }
.kp-soft { background: var(--surface-2); }
.kp-enter { background: linear-gradient(180deg, #e9c477, #b8862f); color: #2a1a08; font-size: 17px; border: 0; }
.slots { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.slot { width: 48px; height: 58px; border-radius: 12px; border: 2px solid var(--line); display: grid; place-items: center; font-size: 28px; font-weight: 800; font-variant-numeric: tabular-nums; background: var(--surface); }
.slot.filled { border-color: var(--gold-2); }
.shake { animation: shake 0.3s; }
@keyframes shake { 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }

/* 빠른 반응 게임 틀 */
.rt-wrap { display: grid; gap: 10px; }
.rt-info { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); font-weight: 700; font-variant-numeric: tabular-nums; }
.rt-meter { height: 6px; border-radius: 4px; background: var(--surface-2); overflow: hidden; }
.rt-meter i { display: block; height: 100%; width: 100%; background: var(--gold-2); }
.rt-stage { min-height: 40vh; }
.rt-btns { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 10px; }
.rt-btn { padding: 18px 10px; font-size: 17px; font-weight: 800; justify-content: center; border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow-1); }
.rt-btn:disabled { opacity: 0.55; }
@media (max-width: 560px) { .rt-btns:has(> :nth-child(4)) { grid-template-columns: 1fr 1fr; grid-auto-flow: row; } }

/* 위치 N칸 전 */
.nb-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; width: min(78vw, 300px); aspect-ratio: 1; }
.nb-cell { border-radius: 16px; background: var(--surface-2); border: 1px solid var(--line); transition: background 0.1s; }
.nb-cell.on { background: var(--accent-strong); box-shadow: 0 0 24px var(--glow); }
.nb-cell.ok { background: color-mix(in srgb, var(--ok-ink) 40%, var(--surface)); }
.nb-cell.no { background: color-mix(in srgb, var(--bad) 40%, var(--surface)); }

/* 불빛 순서 */
.cb-board { position: relative; width: min(84vw, 380px); aspect-ratio: 1; }
.cb { position: absolute; width: 15%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 12px; border: 1px solid var(--line); background: var(--surface-2); padding: 0; }
.cb.on { background: var(--accent-strong); box-shadow: 0 0 22px var(--glow); }
.cb.tap { background: color-mix(in srgb, var(--gold-2) 55%, var(--surface)); }
.cb:disabled { cursor: default; opacity: 1; }

/* 가운데 화살표 · 멈춤 신호 · 색 글자 · 규칙 바꾸기 */
.flank { font-size: 54px; letter-spacing: 6px; font-weight: 800; color: var(--muted); user-select: none; }
.flank b { color: var(--ink); }
.gng { display: grid; justify-items: center; gap: 8px; }
.gng i { width: 130px; height: 130px; border-radius: 50%; }
.gng.go i { background: var(--go); }
.gng.nogo i { background: var(--nogo); box-shadow: inset 0 0 0 10px color-mix(in srgb, #000 15%, var(--nogo)); }
.gng span { font-weight: 800; font-size: 18px; }
.stroop-word { font-size: 72px; font-weight: 900; letter-spacing: 2px; }
.c-red { color: var(--c-red); } .c-blue { color: var(--c-blue); } .c-green { color: var(--c-green); } .c-yellow { color: var(--c-yellow); }
.sw { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 6px; vertical-align: 0; }
.sw.c-red { background: var(--c-red); } .sw.c-blue { background: var(--c-blue); } .sw.c-green { background: var(--c-green); } .sw.c-yellow { background: var(--c-yellow); }
.sw-card { display: grid; justify-items: center; gap: 10px; padding: 22px 46px; border-radius: 22px; border: 2px solid var(--line); background: var(--surface); }
.sw-card b { font-size: 76px; line-height: 1; font-family: var(--serif); }
.sw-rule { font-weight: 800; padding: 4px 14px; border-radius: 99px; }
.sw-card.r0 .sw-rule { background: color-mix(in srgb, var(--gold-2) 30%, transparent); color: var(--brand-ink); }
.sw-card.r1 { border-style: dashed; }
.sw-card.r1 .sw-rule { background: var(--ink); color: var(--bg); }

/* 숫자 잇기 */
.tm-board { position: relative; width: min(92vw, 520px); aspect-ratio: 1; border-radius: 18px; background: var(--surface-2); }
.tm-dot { position: absolute; width: 11%; min-width: 40px; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; border: 2px solid var(--gold-2); background: var(--surface);
  font-weight: 800; font-size: 16px; padding: 0; display: grid; place-items: center; }
.tm-dot.done { background: var(--accent-strong); color: var(--on-accent); border-color: transparent; }
.tm-dot.no { background: color-mix(in srgb, var(--bad) 35%, var(--surface)); }

/* 기호 찾기 */
.sym-q { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: center; }
.sym-targets { display: flex; gap: 4px; padding: 8px; border-radius: 12px; border: 2px solid var(--gold-2); background: var(--surface); }
.sym-row { display: flex; gap: 4px; flex-wrap: wrap; justify-content: center; padding: 8px; border-radius: 12px; background: var(--surface-2); }
.sym-sep { color: var(--muted); font-size: 28px; }
.glyph { display: inline-grid; color: var(--ink); }

/* 빠른 계산 */
.arith-q { font-family: var(--serif); font-size: 52px; font-variant-numeric: tabular-nums; }
.arith-a { font-size: 44px; font-weight: 800; min-height: 1.2em; color: var(--brand-ink); font-variant-numeric: tabular-nums; }

/* 숫자 야구 */
.bb { display: grid; gap: 10px; }
.bb-top { flex-wrap: wrap; }
.bb-toggle { display: inline-flex; gap: 6px; align-items: center; cursor: pointer; }
.bb-toggle input { accent-color: var(--gold-2); width: 16px; height: 16px; }
.bb-history { list-style: none; margin: 0; padding: 6px; display: grid; gap: 4px; max-height: 34vh; overflow-y: auto; border-radius: 14px; background: var(--surface-2); }
.bb-history li { display: grid; grid-template-columns: 28px 1fr auto; align-items: center; gap: 10px; padding: 6px 10px; border-radius: 10px; background: var(--surface); }
.bb-history li.bb-empty { display: block; background: none; font-size: 14px; }
.bb-history li.win { background: color-mix(in srgb, var(--gold-2) 25%, var(--surface)); }
.bb-history.mini { max-height: 26vh; width: min(100%, 320px); }
.bb-history.mini li { grid-template-columns: 1fr auto; }
.bb-guess { font-size: 22px; letter-spacing: 6px; font-variant-numeric: tabular-nums; font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; }
.bb-call { font-weight: 800; color: var(--brand-ink); }
.bb-call.out { color: var(--muted); }
.bb-memo { display: grid; grid-template-columns: repeat(10, 1fr); gap: 4px; }
.memo { height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); font-weight: 800; font-size: 16px; padding: 0; }
.memo.m1 { color: var(--muted); text-decoration: line-through; background: var(--surface-2); }
.memo.m2 { border-color: var(--gold-2); box-shadow: inset 0 0 0 2px var(--gold-2); color: var(--brand-ink); }
@media (max-width: 420px) { .bb-memo { grid-template-columns: repeat(5, 1fr); } }
.bb-foot { display: grid; gap: 8px; }
.bb-status { margin: 0; }
.bb-giveup { justify-self: center; }
.bb-start .bb-diamond { font-size: 54px; }
.bb-rules { margin: 0; padding-left: 20px; display: grid; gap: 4px; }
.steppers { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stepper { display: grid; grid-template-columns: 1fr auto auto auto; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 14px; border: 1px solid var(--line); background: var(--surface); }
.stepper > b { font-size: 24px; min-width: 1.2em; text-align: center; }
@media (max-width: 420px) { .steppers { grid-template-columns: 1fr; } }

/* 도형 돌리기 */
.rot-pair { display: flex; align-items: center; gap: 18px; }
.shape svg rect { fill: var(--accent-strong); }
.shape { padding: 8px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); }
.rot-arrow { font-size: 30px; color: var(--muted); }
@media (max-width: 420px) { .shape svg { width: 104px; height: 104px; } .rot-pair { gap: 8px; } }