/* 관계사절 단원의 움직이는 게임이 함께 쓰는 모양 (2026-10-18). js/ps2-relative-arcade.js 가 만드는 화면: 로비 · 한 판(머리 · 캔버스 · 조작) · '왜' 카드 · 결과.
   형용사 단원의 틀(css/ps2-adjective-arcade.css)을 이름만 바꿔 옮겼다. 게임마다 css/ps2-relative-<게임>.css 가 색(--ra-*)과 로비 그림을 정한다. */
#main .gi .ra { min-width: 0; --ra-ink: #0f172a; --ra-mute: #64748b; --ra-line: #e2e8f0; --ra-accent: #2563eb; --ra-red: #ef4444; --ra-ok: #16a34a;
    --ra-bg1: #0b1120; --ra-bg2: #1e1b4b; --ra-glow: #22d3ee; --ra-halo: rgba(34, 211, 238, .26); --ra-win: #155e75; --ra-hot: #f59e0b; margin: 0 0 28px; }
#main .gi .ra * { box-sizing: border-box; }
#main .gi .ra .ra-view[hidden] { display: none; }

/* 로비 */
#main .gi .ra .ra-hero { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; align-items: center; padding: 22px; border-radius: 22px; color: #fff;
    background: radial-gradient(120% 90% at 20% 0%, var(--ra-halo) 0%, transparent 60%), linear-gradient(150deg, var(--ra-bg2) 0%, var(--ra-bg1) 70%);
    box-shadow: 0 30px 60px -36px rgba(2, 6, 23, .9); overflow: hidden; }
#main .gi .ra .ra-hero__art { position: relative; height: 240px; border-radius: 16px; overflow: hidden; background: rgba(255, 255, 255, .04); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08); }
#main .gi .ra .ra-hero__txt h2 { margin: 0 0 8px; font-size: clamp(20px, 2.6vw, 26px); line-height: 1.35; letter-spacing: -0.02em; color: #fff; }
#main .gi .ra .ra-hero__txt p { margin: 0 0 12px; font-size: 15px; line-height: 1.7; color: rgba(255, 255, 255, .84); }
#main .gi .ra .ra-how { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; font-size: 13.5px; color: rgba(255, 255, 255, .86); }
#main .gi .ra .ra-how kbd, #main .gi .ra .ra-tip kbd { display: inline-block; min-width: 22px; padding: 1px 7px; border-radius: 6px; border: 1px solid rgba(255, 255, 255, .35); background: rgba(255, 255, 255, .12);
    font: 700 12px/1.6 inherit; color: #fff; text-align: center; }
#main .gi .ra .ra-levels { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; margin: 16px 0 10px; }
#main .gi .ra .ra-level { display: grid; align-content: start; gap: 8px; padding: 16px; border: 1px solid var(--ra-line); border-radius: 16px; background: #fff; box-shadow: 0 10px 24px rgba(15, 23, 42, .06);
    transition: transform .18s ease, box-shadow .18s ease; }
#main .gi .ra .ra-level:not(.is-locked):hover { transform: translateY(-3px); box-shadow: 0 18px 34px rgba(15, 23, 42, .12); }
#main .gi .ra .ra-level.is-locked { opacity: .62; }
#main .gi .ra .ra-level h3 { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin: 0; font-size: 16px; }
#main .gi .ra .ra-level h3 i { font-style: normal; color: #f59e0b; letter-spacing: 1px; font-size: 14px; }
#main .gi .ra .ra-level p { margin: 0; font-size: 13.5px; line-height: 1.6; color: var(--ra-mute); }
#main .gi .ra .ra-level__meta { display: flex; gap: 8px; flex-wrap: wrap; font-size: 12.5px; color: var(--ra-mute); }
#main .gi .ra .ra-level__box { padding: 0 8px; border-radius: 999px; background: #fef3c7; color: #92400e; font-weight: 700; }
#main .gi .ra .ra-level .gi-btn { justify-self: start; }
#main .gi .ra .ra-foot { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; font-size: 13px; color: var(--ra-mute); }
#main .gi .ra .ra-tool { padding: 6px 12px; border: 1px solid var(--ra-line); border-radius: 999px; background: #fff; font: 700 13px/1.4 inherit; color: var(--ra-ink); cursor: pointer; }

/* 한 판: 머리 */
#main .gi .ra .ra-stage { display: grid; gap: 10px; }
#main .gi .ra .ra-top { display: grid; grid-template-columns: auto 1fr auto; gap: 8px 14px; align-items: center; }
#main .gi .ra .ra-tag { display: flex; align-items: baseline; gap: 6px; padding: 5px 12px; border-radius: 14px; background: var(--ra-bg1); color: #fff; }
#main .gi .ra .ra-tag small { font-size: 12px; color: rgba(255, 255, 255, .72); }
#main .gi .ra .ra-tag b { font-size: 20px; font-weight: 900; color: var(--ra-glow); font-variant-numeric: tabular-nums; }
#main .gi .ra .ra-stats { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; font-size: 14px; color: var(--ra-mute); }
#main .gi .ra .ra-stats b { font-size: 18px; color: var(--ra-ink); font-variant-numeric: tabular-nums; display: inline-block; }
#main .gi .ra .ra-stats b.is-pop { animation: ra-pop .45s ease; }
@keyframes ra-pop { 30% { transform: scale(1.35); color: #16a34a; } }
#main .gi .ra .ra-combo.is-hot b { color: #ea580c; }
#main .gi .ra .ra-combo.is-hot::after { content: " 🔥"; }
#main .gi .ra .ra-hearts i { font-style: normal; color: var(--ra-red); font-size: 18px; margin-right: 2px; transition: color .2s, transform .2s; display: inline-block; }
#main .gi .ra .ra-hearts i.is-off { color: #cbd5e1; transform: scale(.85); }
#main .gi .ra .ra-hearts.is-danger i:not(.is-off) { animation: ra-beat .9s ease-in-out infinite; }
@keyframes ra-beat { 15% { transform: scale(1.3); } 30% { transform: scale(1); } 45% { transform: scale(1.18); } 60% { transform: scale(1); } }
#main .gi .ra .ra-side { display: flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 800; color: var(--ra-mute); }
#main .gi .ra .ra-bar { height: 6px; border-radius: 999px; background: #e2e8f0; overflow: hidden; }
#main .gi .ra .ra-bar i { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, var(--ra-glow), var(--ra-accent)); transition: width .35s ease; }
#main .gi .ra .ra-q { min-height: 64px; padding: 11px 16px; border-radius: 16px; background: var(--ra-bg1); color: #fff; text-align: center; display: grid; align-content: center; gap: 3px; }
#main .gi .ra .ra-q .ra-ask { margin: 0; font: 800 clamp(16px, 2.2vw, 20px)/1.45 inherit; letter-spacing: -0.01em; }
#main .gi .ra .ra-q .ra-ask b { color: var(--ra-glow); }
#main .gi .ra .ra-q .ra-ask mark { display: inline-block; min-width: 70px; padding: 0 9px; border-radius: 8px; background: rgba(255, 255, 255, .14); color: #fde68a; border: 1px dashed rgba(253, 230, 138, .6); }
#main .gi .ra .ra-ko { display: block; font-size: 14px; color: rgba(255, 255, 255, .8); }
#main .gi .ra .ra-ko--hint { color: rgba(255, 255, 255, .5); }
#main .gi .ra .ra-ko--why { color: #86efac; font-weight: 700; }

/* 한 판: 캔버스 · 조작 */
#main .gi .ra .ra-play { position: relative; display: grid; justify-items: center; }
#main .gi .ra .ra-cv { display: block; width: 100%; border-radius: 18px; touch-action: none; cursor: pointer; box-shadow: 0 30px 60px -30px rgba(2, 6, 23, .85); user-select: none; -webkit-user-select: none; }
#main .gi .ra .ra-overlay { position: absolute; inset: 0; z-index: 5; display: grid; place-items: center; padding: 12px; background: rgba(2, 6, 23, .55); border-radius: 18px; backdrop-filter: blur(2px); }
#main .gi .ra .ra-overlay[hidden] { display: none; }
#main .gi .ra .ra-card { width: min(580px, 100%); max-height: 100%; overflow: auto; padding: 16px 18px; border-radius: 16px; background: #fff; color: var(--ra-ink); box-shadow: 0 30px 60px -20px rgba(2, 6, 23, .8); animation: ra-card .25s ease; }
@keyframes ra-card { from { transform: translateY(14px) scale(.98); opacity: 0; } }
#main .gi .ra .ra-sent { margin: 0; font: 800 18px/1.5 inherit; color: var(--ra-ink); text-align: left; }
#main .gi .ra .ra-sent u, #main .gi .ra .ra-sent mark { text-decoration: none; padding: 0 5px; border-radius: 6px; background: #dcfce7; color: #14532d; }
#main .gi .ra .ra-sent mark.is-bad { background: #fee2e2; color: #991b1b; }
#main .gi .ra .ra-card__tag { display: inline-block; margin-bottom: 6px; padding: 2px 10px; border-radius: 999px; background: #fee2e2; color: #b91c1c; font-size: 12.5px; font-weight: 800; }
#main .gi .ra .ra-card__ko { margin: 4px 0 0; font-size: 14px; color: var(--ra-mute); }
#main .gi .ra .ra-card__why { margin: 8px 0 0; padding: 10px 12px; border-radius: 10px; background: #f0fdf4; color: #14532d; font-size: 15px; line-height: 1.6; font-weight: 600; }
#main .gi .ra .ra-card__mine { margin: 8px 0 0; font-size: 13.5px; color: #b91c1c; }
#main .gi .ra .ra-card__mine s { text-decoration-thickness: 1.5px; }
#main .gi .ra .ra-card__row { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 12px; }
#main .gi .ra .ra-card__link { font-size: 13.5px; font-weight: 700; color: var(--ra-accent); }
#main .gi .ra .ra-ctl { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; }
#main .gi .ra .ra-ctl:empty { display: none; }
#main .gi .ra .ra-pad { min-width: 58px; height: 52px; padding: 0 12px; border: 1px solid var(--ra-line); border-radius: 14px; background: #f8fafc; font: 800 19px/1 inherit; color: var(--ra-ink); cursor: pointer;
    touch-action: manipulation; transition: background .12s, transform .08s; display: inline-grid; place-items: center; }
#main .gi .ra .ra-pad small { display: block; font-size: 10.5px; font-weight: 700; color: var(--ra-mute); margin-top: 2px; }
#main .gi .ra .ra-pad:active { background: #e2e8f0; transform: scale(.96); }
#main .gi .ra .ra-pad.is-main { background: var(--ra-bg1); color: #fff; border-color: var(--ra-bg1); }
#main .gi .ra .ra-pad.is-main small { color: rgba(255, 255, 255, .7); }
#main .gi .ra .ra-tip { margin: 0; font-size: 12.5px; color: var(--ra-mute); text-align: center; }
#main .gi .ra .ra-tip kbd { border-color: var(--ra-line); background: #f1f5f9; color: var(--ra-ink); }

/* 결과 */
#main .gi .ra .ra-result__head { padding: 22px; border-radius: 20px; color: #fff; text-align: center; background: linear-gradient(135deg, var(--ra-bg1), var(--ra-bg2)); }
#main .gi .ra .ra-result__head.is-win { background: radial-gradient(120% 100% at 50% 0, var(--ra-win) 0%, var(--ra-bg1) 72%); }
#main .gi .ra .ra-result__tag { display: inline-block; padding: 3px 12px; border-radius: 999px; background: rgba(255, 255, 255, .14); font-size: 13px; font-weight: 800; }
#main .gi .ra .ra-result__score { margin: 8px 0 0; }
#main .gi .ra .ra-result__score b { font-size: clamp(44px, 7vw, 64px); font-weight: 900; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
#main .gi .ra .ra-result__score small { margin-left: 4px; font-size: 16px; color: rgba(255, 255, 255, .7); }
#main .gi .ra .ra-result__stars { font-size: 26px; color: #fbbf24; letter-spacing: 3px; }
#main .gi .ra .ra-result__row { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px; margin-top: 14px; }
#main .gi .ra .ra-result__row div { padding: 8px; border-radius: 12px; background: rgba(255, 255, 255, .08); }
#main .gi .ra .ra-result__row small { display: block; font-size: 12px; color: rgba(255, 255, 255, .7); }
#main .gi .ra .ra-result__row b { font-size: 18px; }
#main .gi .ra .ra-result__note { margin: 12px 0 0; font-size: 14px; color: #fde68a; }
#main .gi .ra .ra-result__sec { margin-top: 18px; }
#main .gi .ra .ra-result__sec h3 { margin: 0 0 8px; font-size: 17px; }
#main .gi .ra .ra-wrong { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
#main .gi .ra .ra-wrong li { display: grid; gap: 4px; padding: 12px 14px; border: 1px solid var(--ra-line); border-left: 4px solid var(--ra-red); border-radius: 12px; background: #fff; }
#main .gi .ra .ra-wrong .ra-sent { font-size: 16px; }
#main .gi .ra .ra-wrong__ko { font-size: 13.5px; color: var(--ra-mute); }
#main .gi .ra .ra-wrong__why { font-size: 14px; color: #14532d; font-weight: 600; }
#main .gi .ra .ra-wrong__link { justify-self: start; font-size: 13px; font-weight: 700; color: var(--ra-accent); }
#main .gi .ra .ra-skills { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; font-size: 14px; }
#main .gi .ra .ra-skills li { display: flex; justify-content: space-between; gap: 10px; padding: 8px 12px; border-radius: 10px; background: #f1f5f9; }
#main .gi .ra .ra-skills b { color: var(--ra-ink); }
#main .gi .ra .ra-result__cta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }

@media (max-width: 760px) {
    #main .gi .ra .ra-hero { padding: 16px; }
    #main .gi .ra .ra-hero__art { height: 180px; }
    #main .gi .ra .ra-top { grid-template-columns: auto 1fr; }
    #main .gi .ra .ra-side { grid-column: 1 / -1; }
    #main .gi .ra .ra-side:empty { display: none; }
    #main .gi .ra .ra-tip { display: none; }
    #main .gi .ra .ra-pad { min-width: 0; flex: 1; }
    /* 2026-10-18 휴대폰: 캔버스 높이 안에 '왜' 카드가 다 들어가게 조금 촘촘히 */
    #main .gi .ra .ra-overlay { padding: 8px; }
    #main .gi .ra .ra-card { padding: 12px 14px; }
    #main .gi .ra .ra-card .ra-sent { font-size: 16px; line-height: 1.45; }
    #main .gi .ra .ra-card__ko { font-size: 13px; }
    #main .gi .ra .ra-card__why { margin-top: 6px; padding: 8px 10px; font-size: 13.5px; line-height: 1.55; }
    #main .gi .ra .ra-card__mine { font-size: 13px; }
    #main .gi .ra .ra-card__row { margin-top: 8px; }
}
@media (prefers-reduced-motion: reduce) {
    #main .gi .ra .ra-hero__art * { animation: none !important; }
}

/* 페이지: 학습 원리 */
#main .gi .ra-theory { margin: 26px 0 0; border: 1px solid #e2e8f0; border-radius: 18px; background: #fff; }
#main .gi .ra-theory summary { padding: 14px 18px; cursor: pointer; font-size: 15.5px; font-weight: 800; list-style: none; }
#main .gi .ra-theory summary::-webkit-details-marker { display: none; }
#main .gi .ra-theory summary::after { content: "펼치기"; float: right; color: #94a3b8; font-size: 12.5px; font-weight: 700; }
#main .gi .ra-theory[open] summary::after { content: "접기"; }
#main .gi .ra-theory ol { margin: 0; padding: 0 18px 16px 38px; }
#main .gi .ra-theory li { margin: 6px 0; font-size: 14px; line-height: 1.7; color: #334155; }
#main .gi .ra-theory li b { color: #0f172a; }