/* 한판마당 안내 페이지 (게임 안내 · 이용 안내 · 소개) — tools/export-guide.mjs가 만든 페이지가 함께 쓴다 */
:root {
  color-scheme: light dark;
  --bg: #f5f6fb; --bg2: #eceef7; --fg: #171a2c; --sub: #565c78; --mute: #7d83a0;
  --card: #fff; --line: #e1e4ef; --brand: #5b6bff; --brand-ink: #3f4fe0;
  --grad: linear-gradient(135deg, #8a6cff 0%, #5b7bff 50%, #35c8ff 100%);
  --r: 16px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0b0c1a; --bg2: #121429; --fg: #f1f2fb; --sub: #a9aecf; --mute: #7a80a6; --card: #15172e; --line: #262a47; --brand: #8f9bff; --brand-ink: #aab3ff; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.75 system-ui, -apple-system, 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; word-break: keep-all; overflow-wrap: anywhere; }
a { color: var(--brand-ink); }
img, svg { max-width: 100%; }

.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .in { max-width: 960px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 12px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--fg); text-decoration: none; font-weight: 800; font-size: 17px; flex: none; }
.top nav { display: flex; gap: 2px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.top nav::-webkit-scrollbar { display: none; }
.top nav a { color: var(--sub); text-decoration: none; font-size: 14px; font-weight: 600; padding: 6px 10px; border-radius: 10px; white-space: nowrap; }
.top nav a:hover, .top nav a[aria-current] { color: var(--fg); background: var(--bg2); }
.top nav a.play { color: #fff; background: var(--grad); }
.top nav a.lang { color: var(--fg); background: var(--bg2); font-weight: 800; }

main { max-width: 960px; margin: 0 auto; padding: 24px 16px 56px; }
.crumb { font-size: 13px; color: var(--mute); margin: 0 0 14px; }
.crumb a { color: var(--mute); text-decoration: none; }
.crumb a:hover { text-decoration: underline; }
h1 { font-size: clamp(26px, 5vw, 34px); line-height: 1.25; letter-spacing: -.03em; margin: 0 0 8px; }
h2 { font-size: 21px; letter-spacing: -.02em; margin: 34px 0 10px; }
h3 { font-size: 17px; margin: 22px 0 6px; }
p { margin: 0 0 12px; }
.lead { font-size: 17px; color: var(--sub); margin: 0 0 18px; }
.sub { color: var(--sub); }
ul, ol { padding-left: 22px; margin: 0 0 12px; }
li { margin: 4px 0; }

.hero { display: flex; gap: 18px; align-items: center; margin-bottom: 8px; }
.tile { flex: none; width: 88px; height: 88px; border-radius: 26px; display: grid; place-items: center; background: linear-gradient(135deg, var(--c1), var(--c2)); box-shadow: 0 14px 30px -16px var(--c1), inset 0 1px 0 rgba(255,255,255,.3); }
.tile svg { width: 60%; height: 60%; }
.tile.sm { width: 48px; height: 48px; border-radius: 15px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0 0; padding: 0; list-style: none; }
.chips li { margin: 0; font-size: 13px; font-weight: 600; color: var(--sub); background: var(--bg2); border: 1px solid var(--line); padding: 3px 10px; border-radius: 999px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 6px 20px 14px; margin: 14px 0; }
.card h2 { margin-top: 18px; }
.steps { list-style: none; padding: 0; counter-reset: s; }
.steps li { counter-increment: s; position: relative; padding-left: 38px; margin: 10px 0; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 2px; width: 26px; height: 26px; border-radius: 9px; display: grid; place-items: center; font-size: 13px; font-weight: 800; color: #fff; background: var(--grad); }
.tips li::marker { color: var(--brand); }
table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 4px 0 12px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--sub); font-weight: 700; white-space: nowrap; }

.cta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 22px 0 6px; }
.cta.top { margin: 12px 0 4px; }
/* 맨 위 '지금 바로 플레이' (게임 색 · 누르면 바로 시작) */
.playbox { display: flex; align-items: center; gap: 16px; margin: 14px 0 16px; padding: 18px 18px 18px 16px; border-radius: 22px; text-decoration: none; color: #fff; background: linear-gradient(135deg, var(--c1), var(--c2)); box-shadow: 0 18px 36px -20px var(--c1), inset 0 1px 0 rgba(255,255,255,.28); transition: transform .15s; }
.playbox:hover { transform: translateY(-2px); }
.playbox:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; }
.pb-art { flex: none; width: 76px; height: 76px; border-radius: 20px; display: grid; place-items: center; background: rgba(255,255,255,.16); }
.pb-art svg { width: 64%; height: 64%; }
.pb-txt { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.pb-txt b { font-size: 20px; font-weight: 900; line-height: 1.25; }
.pb-txt em { font-style: normal; font-size: 14px; opacity: .88; }
.pb-go { flex: none; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: #fff; color: var(--c1); box-shadow: 0 8px 18px -8px rgba(0,0,0,.45); }
.pb-go svg { width: 26px; height: 26px; margin-left: 3px; }
@media (max-width: 480px) { .playbox { gap: 12px; padding: 14px 14px 14px 12px; } .pb-art { width: 60px; height: 60px; border-radius: 16px; } .pb-txt b { font-size: 17px; } .pb-txt em { font-size: 13px; } .pb-go { width: 46px; height: 46px; } }
.cta .sub { color: var(--sub); font-size: 14px; }
.h1sub { display: block; font-size: 15px; font-weight: 700; color: var(--sub); margin-top: 2px; letter-spacing: 0; }
.btn { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 800; padding: 12px 20px; border-radius: 14px; color: #fff; background: var(--grad); box-shadow: 0 12px 26px -14px #5b7bff; }
.btn.soft { color: var(--fg); background: var(--bg2); box-shadow: none; border: 1px solid var(--line); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; margin: 10px 0 0; padding: 0; list-style: none; }
.grid li { margin: 0; }
.grid a { display: flex; gap: 12px; align-items: center; height: 100%; padding: 12px; border-radius: 14px; background: var(--card); border: 1px solid var(--line); text-decoration: none; color: var(--fg); transition: border-color .15s, transform .15s; }
.grid a:hover { border-color: var(--brand); transform: translateY(-1px); }
.grid b { display: block; font-size: 16px; }
.grid span { display: block; font-size: 13.5px; line-height: 1.5; color: var(--sub); }

.qa dt { font-weight: 800; margin: 16px 0 4px; }
.qa dd { margin: 0; color: var(--sub); }

.foot { border-top: 1px solid var(--line); color: var(--mute); font-size: 14px; }
.foot .in { max-width: 960px; margin: 0 auto; padding: 22px 16px 36px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-bottom: 8px; }
.foot a { color: var(--sub); text-decoration: none; }
.foot a:hover { text-decoration: underline; }

@media (max-width: 560px) {
  .brand span { display: none; }
  .hero { gap: 14px; }
  .tile { width: 68px; height: 68px; border-radius: 20px; }
  .card { padding: 4px 16px 12px; }
}

/* 상황으로 배우기: 판 그림 + 설명 (그림은 tools/guide-figs.mjs) */
.case { display: flex; gap: 18px; align-items: flex-start; margin: 16px 0; padding-top: 14px; border-top: 1px solid var(--line); }
.case:first-of-type { border-top: 0; padding-top: 0; }
.case .fig { flex: none; max-width: 300px; color: var(--sub); }
.case .fig svg { display: block; width: 100%; height: auto; }
.case figcaption { flex: 1; min-width: 0; }
.case figcaption b { display: block; font-size: 16.5px; }
.case figcaption p { margin: 4px 0 0; color: var(--sub); }
@media (max-width: 640px) {
  .case { flex-direction: column; gap: 10px; }
  .case .fig { max-width: 100%; width: 100%; }
  .case .fig svg { max-width: 320px; margin: 0 auto; }
}

/* 앱 받기: PC에서 볼 때만 휴대폰으로 넘기는 QR (휴대폰 · 태블릿에서는 감춤) */
.qr-card { display: flex; align-items: center; gap: 20px; }
.qr-card img { flex: none; width: 132px; height: 132px; border-radius: 10px; background: #fff; padding: 6px; image-rendering: pixelated; }
.qr-card h2 { margin-top: 0; }
.qr-card p { margin: 6px 0 0; }
@media (max-width: 760px), (pointer: coarse) { .qr-card { display: none; } }

/* 읽을거리 (www/read/) — 글 목록 · 본문 */
.reads { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 10px; margin: 10px 0 4px; padding: 0; list-style: none; }
.reads li { margin: 0; }
.reads a { display: block; height: 100%; padding: 14px 16px; border-radius: 14px; background: var(--card); border: 1px solid var(--line); text-decoration: none; color: var(--fg); }
.card .reads a { background: var(--bg); }
.reads a:hover { border-color: var(--brand); }
.reads b { display: block; font-size: 16px; line-height: 1.45; }
.reads span { display: block; margin-top: 4px; font-size: 13.5px; line-height: 1.55; color: var(--sub); }
article.read h2 { margin-top: 32px; }
article.read code { display: inline-block; max-width: 100%; overflow-x: auto; white-space: nowrap; vertical-align: middle; font-size: 14px; background: var(--bg2); border: 1px solid var(--line); padding: 6px 10px; border-radius: 8px; }
@media (max-width: 480px) {
  article.read table { font-size: 13.5px; }
  article.read th, article.read td { padding: 7px 5px; }
}
article.read tbody th { white-space: normal; }

/* Adsterra 광고 자리 — 본문 아래, 화면을 덮지 않게 (비면 hidden) */
[data-adsterra] { max-width: 100%; overflow: hidden; text-align: center; margin: 28px auto; }