:root {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
  touch-action: manipulation;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100dvh;
  overflow: hidden;
  background: #0a0a0a;
  color: #f5f5f5;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
  overscroll-behavior: none;
}

main {
  height: 100%;
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  padding:
    max(60px, env(safe-area-inset-top))
    16px
    max(20px, env(safe-area-inset-bottom));
  gap: 16px;
}

/* 점수바: SCORE | BEST | New 버튼 */
.score-bar {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.score-box {
  flex: 1;
  background: #161616;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 8px 12px;
  text-align: center;
  min-width: 0;
}

.score-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #a0a0a0;
}

.score-val,
.best-val {
  display: block;
  font-size: 22px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: #f5f5f5;
  margin-top: 2px;
  line-height: 1.1;
}

.new-btn {
  flex: 0 0 auto;
  font: inherit;
  color: #fff;
  background: #4f9eff;
  border: none;
  border-radius: 12px;
  padding: 0 18px;
  min-height: 56px;
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  -webkit-tap-highlight-color: transparent;
}

.new-btn:active { background: #3d8ae8; }

/* 게임 영역 — 보드/캠버스/그리드 등을 여기에 */
#game {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;   /* 작은 폰에서 아래 조작 요소가 화면 밖으로 밀리지 않게 */
}

/* 좌상단 ← 홈, 우상단 🏆 명예의 전당 — 모든 게임 공통 chrome */
.home-link,
.hof-link {
  position: fixed;
  top: max(12px, env(safe-area-inset-top));
  z-index: 10;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  text-decoration: none;
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: background 0.15s ease;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.home-link { left:  max(12px, env(safe-area-inset-left)); }
.hof-link  { right: max(12px, env(safe-area-inset-right)); }

@media (hover: hover) {
  .home-link:hover,
  .hof-link:hover {
    background: rgba(0, 0, 0, 0.55);
  }
}

/* 오버레이 (게임 종료 / 완료 시 점수 + 저장 버튼) */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  padding: 20px;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.overlay[hidden] { display: none; }

.overlay-card {
  background: #161616;
  border: 1px solid #2a2a2a;
  border-radius: 18px;
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
  min-width: 240px;
  max-width: 320px;
  width: 100%;
}

.overlay-card h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.overlay-score {
  margin: 0;
  font-size: 56px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1;
}

.overlay-card button {
  font: inherit;
  color: #fff;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  padding: 12px 20px;
  min-height: 44px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  width: 100%;
  -webkit-tap-highlight-color: transparent;
}

.overlay-card button:active {
  background: rgba(255, 255, 255, 0.18);
}

.overlay-card .save-btn {
  background: #4f9eff;
  border-color: #4f9eff;
}

.overlay-card .save-btn:active {
  background: #3d8ae8;
}

/* ─── Shobu ──────────────────────────────────────────────── */
#game { --cw: clamp(70px, min(30vw, calc((100dvh - 400px) * 0.7)), 130px); }
.rs-wrap { display: flex; flex-direction: column; align-items: center; gap: 8px; width: 100%; max-width: 440px; height: 100%; min-height: 0; padding: 0 14px; box-sizing: border-box; }
.rs-head { margin-top: auto; font-size: 12px; font-weight: 800; color: #a8b4c4; }
.rs-head b { color: #f0f4fa; }
.rs-side { display: flex; align-items: center; gap: 10px; padding: 5px 14px; border-radius: 999px; background: #151b25; font-size: 13px; font-weight: 800; color: #a8b4c4; }
.rs-side .rs-cnt { color: #f0f4fa; font-variant-numeric: tabular-nums; }
.rs-side.turn { box-shadow: 0 0 0 2px #f0d68a; }
.rs-side.foe .rs-name { color: #f5c48a; }
.rs-side.me .rs-name { color: #9cc9ff; }
.rs-pile {
  position: relative; width: calc(var(--cw) * 2.55); height: calc(var(--cw) * 1.55); border: none; border-radius: 16px;
  background: #1d4a33; box-shadow: inset 0 0 0 2px rgba(255,255,255,0.08); cursor: pointer; padding: 0; font: inherit;
  -webkit-tap-highlight-color: transparent; touch-action: manipulation;
}
.rs-pile.hit-me { animation: rs-hit-me 0.5s ease; }
.rs-pile.hit-foe { animation: rs-hit-foe 0.5s ease; }
@keyframes rs-hit-me { 30% { box-shadow: inset 0 0 0 6px #8fd0a0; } }
@keyframes rs-hit-foe { 30% { box-shadow: inset 0 0 0 6px #f0a24f; } }
.rs-stack { position: absolute; inset: 0; }
.rs-card, .rs-under {
  position: absolute; top: 50%; left: 50%; width: var(--cw); height: calc(var(--cw) * 1.38); margin: calc(var(--cw) * -0.69) 0 0 calc(var(--cw) * -0.5);
  border-radius: 9px; box-sizing: border-box; background: #f4f4f0; border: 1px solid #9aa0a8; color: #1a1a1a;
  display: flex; flex-direction: column; align-items: flex-start; padding: 6px 0 0 8px; box-shadow: 0 2px 6px rgba(0,0,0,0.35);
}
.rs-under { background: #b83a3a; border-color: #7a1e1e; transform: translate(calc(var(--cw) * -0.78), 4px) rotate(-6deg); }
.rs-card.p2 { transform: translate(calc(var(--cw) * -0.7), 0) rotate(-4deg); }
.rs-card.p1 { transform: translate(calc(var(--cw) * -0.28), 0) rotate(-1.5deg); }
.rs-card.p0 { transform: translate(calc(var(--cw) * 0.16), 0); }
.rs-card b { font-size: calc(var(--cw) * 0.28); font-weight: 800; line-height: 1; letter-spacing: -0.04em; }
.rs-card i { font-style: normal; font-size: calc(var(--cw) * 0.26); line-height: 1.1; }
.rs-card.red { color: #c01818; }
.rs-chall {
  position: absolute; left: 50%; bottom: 6px; transform: translateX(-50%); width: max-content; max-width: calc(100% - 16px); text-align: center; line-height: 1.25; z-index: 2;
  padding: 3px 10px; border-radius: 12px; background: #f0d68a; color: #1a1a1a; font-size: 11.5px; font-weight: 800;
}
.rs-chall[hidden] { display: none; }
.rs-msg { min-height: 34px; font-size: 13px; font-weight: 800; color: #a8b4c4; text-align: center; line-height: 1.3; padding-top: 6px; }
.rs-msg.ok { color: #8fd0a0; }
.rs-msg.warn { color: #f0d68a; }
.rs-slap {
  margin-bottom: auto; width: 100%; min-height: 72px; border: none; border-radius: 18px; background: #4f9eff; color: #0a0a0a;
  font: inherit; font-size: 24px; font-weight: 900; letter-spacing: 0.06em; cursor: pointer;
  -webkit-tap-highlight-color: transparent; touch-action: manipulation; user-select: none;
}
.rs-slap:active { background: #3d8ae8; transform: scale(0.98); }

.overlay-howto {
  margin: 0; font-size: 13px; line-height: 1.55; color: #c9c9c9;
  text-align: left; white-space: pre-line; max-height: 46vh;
  overflow-y: auto; touch-action: pan-y;
}
.overlay-sub { margin: 0; font-size: 13px; color: #a0a0a0; }
.overlay-score { font-variant-numeric: tabular-nums; }
@media (prefers-reduced-motion: reduce) { .rs-pile.hit-me, .rs-pile.hit-foe { animation: none; } }