: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;
}

.overlay-sub { margin: 0; font-size: 14px; font-weight: 700; color: #a0a0a0; font-variant-numeric: tabular-nums; }

/* ─── Alquerque ────────────────────────────────────────────
   5×5 points; points with (r+c) even also carry the diagonals. */
#game {
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
}
.aq-top { display: flex; gap: 8px; justify-content: center; align-items: center; }
.aq-c, .aq-quiet {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background: #161616;
  border: 1px solid #2a2a2a;
  font-size: 15px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.aq-c i { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.aq-c.me i { background: #f1e3c6; }
.aq-c.foe i { background: #8b3a2b; box-shadow: 0 0 0 1px #d8826e; }
.aq-quiet { font-size: 12px; font-weight: 700; color: #b0b0b0; }
.aq-quiet.warn { color: #ffb36b; border-color: #6a4a22; }

.aq-board {
  position: relative;
  align-self: center;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  width: min(92vw, 400px, calc(100dvh - 300px));
  min-width: 240px;
  aspect-ratio: 1;
  border-radius: 14px;
  background: #1d1812;
  border: 1px solid #3a2f22;
}
.aq-lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.aq-lines line {
  stroke: rgba(240, 220, 180, 0.30);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  stroke-linecap: round;
}
.aq-pt {
  position: relative;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}
.aq-pt::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(240, 220, 180, 0.40);
}
.aq-pt > span {
  position: absolute;
  width: 68%;
  aspect-ratio: 1;
  border-radius: 50%;
  transition: transform 0.1s ease;
}
.aq-pt.me > span { background: radial-gradient(circle at 35% 30%, #fffaf0, #e6d3ad 60%, #b9a274); box-shadow: 0 2px 0 rgba(0,0,0,0.45); }
.aq-pt.foe > span { background: radial-gradient(circle at 35% 30%, #c76a52, #8b3a2b 60%, #5a2218); box-shadow: 0 2px 0 rgba(0,0,0,0.45), 0 0 0 1px #d8826e; }
.aq-pt.can > span { outline: 2px solid rgba(255, 255, 255, 0.55); outline-offset: 2px; }
.aq-pt.sel > span { outline: 3px solid #ffd36b; outline-offset: 2px; transform: scale(1.08); }
.aq-pt.dead > span { outline: 3px dashed #ff5a5a; outline-offset: 2px; opacity: 0.6; }
.aq-pt.last::before { background: #ffd36b; width: 10px; height: 10px; }
.aq-pt.gone::after {
  content: "×";
  position: absolute;
  color: #ff7a6b;
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
}
.aq-pt.trail::before { background: #ffd36b; width: 12px; height: 12px; }
.aq-pt.to::after {
  content: "";
  position: absolute;
  width: 42%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 3px solid #ffd36b;
  background: rgba(255, 211, 107, 0.18);
}
.aq-msg {
  margin: 0;
  min-height: 22px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  color: #c8c8c8;
}
.aq-msg.ok { color: #6ee787; }
.aq-msg.bad { color: #ff6b6b; }