: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;
}

/* 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;
}


/* ─── breakaway ──────────────────────────────────────────── */
.bk-wrap { display:flex; flex-direction:column; align-items:stretch; gap:8px; width:100%; height:100%; max-width:440px; }
.bk-hud { display:flex; align-items:center; gap:10px; font-size:13px; font-weight:700; color:#a8b4c4; font-variant-numeric:tabular-nums; }
.bk-togo { margin-left:auto; color:#cfe2ff; }

.bk-stage { position:relative; flex:1; min-height:0; border-radius:16px; overflow:hidden; background:#101820; border:1px solid #1f2c38; }
.bk-canvas { display:block; width:100%; height:100%; touch-action:none; }

.bk-draft {
  position:absolute; left:0; right:0; top:8%;
  text-align:center; font-size:12px; font-weight:800; letter-spacing:0.08em;
  color:#7ee08a; opacity:0; transition:opacity .12s ease; pointer-events:none;
}
.bk-draft.on { opacity:1; }

.bk-flash {
  position:absolute; left:0; right:0; top:38%;
  text-align:center; font-size:20px; font-weight:800; color:#e6ecf4;
  text-shadow:0 2px 10px rgba(0,0,0,.7); opacity:0; transition:opacity .15s ease; pointer-events:none;
}
.bk-flash.show { opacity:1; }
.bk-flash.ok { color:#7ee08a; }
.bk-flash.no { color:#ff8080; }

/* 다리(무산소 잔량) — 한 번 비면 다시 안 찬다는 걸 크게 보여 준다 */
.bk-legs { position:relative; width:100%; height:22px; border-radius:8px; background:#12181f; border:1px solid #232c38; overflow:hidden; }
.bk-legs i { display:block; height:100%; background:#4f9eff; transform-origin:left center; }
.bk-legs i.low { background:#ff8080; }
.bk-legs span {
  position:absolute; right:8px; top:50%; transform:translateY(-50%);
  font-size:11px; font-weight:800; color:#c9d3e0; font-variant-numeric:tabular-nums;
  text-shadow:0 1px 4px rgba(0,0,0,.8);
}

.bk-tip { text-align:center; font-size:12px; font-weight:700; color:#6b7a8d; }

.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; }