: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;
}


/* ─── rendezvous ─────────────────────────────────────────── */
.rv-wrap { display:flex; flex-direction:column; align-items:stretch; gap:8px; width:100%; height:100%; max-width:440px; }
.rv-hud { display:flex; align-items:center; gap:10px; font-size:12px; font-weight:700; color:#a8b4c4; }
.rv-lives { margin-left:auto; color:#ff8fa0; letter-spacing:2px; font-size:15px; }

.rv-bar { width:100%; height:6px; border-radius:999px; background:#1c232e; overflow:hidden; }
.rv-bar i { display:block; height:100%; background:#4f9eff; transform-origin:left center; border-radius:999px; }
.rv-bar i.low { background:#ff8080; }

.rv-cv { flex:1; min-height:0; max-height:min(52vh, 430px); width:100%; display:block; border-radius:14px;
  background:radial-gradient(circle at 50% 45%, #0d1420 0%, #070a10 70%); border:1px solid #1d2531; }

.rv-gauges { margin-top:auto; display:grid; grid-template-columns:repeat(4, 1fr); gap:6px; }
.rv-g { background:#12181f; border:1px solid #232c38; border-radius:10px; padding:5px 4px; text-align:center; min-width:0; }
.rv-g span { display:block; font-size:9px; font-weight:700; letter-spacing:.04em; color:#7b8798; text-transform:uppercase; }
.rv-g b { display:block; font-size:14px; font-weight:800; color:#e6ecf4; font-variant-numeric:tabular-nums;
  margin-top:1px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.rv-g b.good { color:#7ee08a; }
.rv-g b.bad { color:#ff9d6b; }

.rv-fuel { display:flex; align-items:center; gap:8px; }
.rv-fuel span { font-size:10px; font-weight:700; color:#7b8798; text-transform:uppercase; letter-spacing:.04em; flex:0 0 auto; }
.rv-ftrack { flex:1; height:8px; border-radius:999px; background:#1c232e; overflow:hidden; }
.rv-fuel i { display:block; height:100%; background:#ffd24a; transform-origin:left center; border-radius:999px; }
.rv-fuel i.low { background:#ff8080; }

.rv-msg { min-height:20px; text-align:center; font-size:13px; font-weight:700; color:#8e9aab; }
.rv-msg.ok { color:#7ee08a; }
.rv-msg.no { color:#ff8080; }

.rv-pads { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.rv-pad {
  font:inherit; min-height:76px; border-radius:14px; border:1px solid #2b3644; background:#1b222c; color:#e6ecf4;
  cursor:pointer; display:flex; align-items:center; justify-content:center; gap:8px;
  font-weight:800; font-size:15px; -webkit-tap-highlight-color:transparent; touch-action:none; user-select:none;
}
.rv-pad em { font-style:normal; font-size:20px; line-height:1; color:#8e9aab; }
.rv-retro.on { background:#4a2a2a; border-color:#ff8a6b; }
.rv-retro.on em { color:#ff8a6b; }
.rv-pro.on { background:#22405e; border-color:#4f9eff; }
.rv-pro.on em { color:#7fb4ff; }

.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; }