: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;
}

/* ─── Sevens ──────────────────────────────────────────────── */
#game { padding: 0 8px 6px; align-items: stretch; }

.sv-wrap {
  display: flex; flex-direction: column; gap: 8px;
  width: 100%; height: 100%; max-width: 460px; margin: 0 auto;
  min-height: 0;
}

.sv-opps { display: flex; gap: 6px; }
.sv-opp {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 1px;
  padding: 6px 4px; border-radius: 10px;
  background: #14141c; border: 1px solid #262633;
  font-size: 11px; color: #9aa3b2;
}
.sv-opp.on { border-color: #4f9eff; background: #16233a; color: #dbe7ff; }
.sv-opp.done { opacity: 0.5; }
.sv-opp-name { font-weight: 700; letter-spacing: 0.02em; }
.sv-opp-n { font-weight: 800; color: #e8ecf3; font-variant-numeric: tabular-nums; }

.sv-table {
  display: flex; flex-direction: column; gap: 4px;
  padding: 8px 6px; border-radius: 12px;
  background: #101820; border: 1px solid #1e2a36;
}
.sv-row { display: grid; grid-template-columns: repeat(13, 1fr); gap: 2px; }
.sv-slot {
  display: flex; align-items: center; justify-content: center;
  aspect-ratio: 0.72; border-radius: 4px;
  background: #16202a; border: 1px solid #22303d;
  font-size: clamp(8px, 2.4vw, 12px); font-weight: 700; color: #3c4c5c;
  font-variant-numeric: tabular-nums;
}
.sv-slot.pivot { border-color: #38506a; }
.sv-slot.on { background: #f3f6fa; border-color: #f3f6fa; color: #16202a; }
.sv-row.red .sv-slot.on { color: #c4324a; }

.sv-msg { margin: 0; min-height: 17px; text-align: center; font-size: 13px; font-weight: 600; color: #9aa3b2; }

.sv-hand {
  display: flex; flex-wrap: wrap; gap: 4px; justify-content: center;
  align-content: flex-start; min-height: 0; overflow: hidden;
}
.sv-card {
  font: inherit; margin: 0; cursor: pointer;
  width: clamp(30px, 9.6vw, 40px); aspect-ratio: 0.7;
  border-radius: 6px; border: 1px solid #c9d2dc; background: #f6f9fc; color: #16202a;
  display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1;
  -webkit-tap-highlight-color: transparent;
}
.sv-card.red { color: #c4324a; }
.sv-card b { font-size: clamp(12px, 3.6vw, 15px); font-weight: 800; }
.sv-card i { font-style: normal; font-size: clamp(10px, 3.2vw, 13px); }
.sv-card.on { box-shadow: 0 0 0 2px #4f9eff; }
.sv-card.off { filter: brightness(0.62) saturate(0.55); cursor: default; }

.sv-bar { display: flex; justify-content: center; }
.sv-hold {
  font: inherit; font-weight: 700; font-size: 14px;
  min-height: 44px; padding: 0 22px; border-radius: 999px; cursor: pointer;
  border: 1px solid #2f3a49; background: #1b2330; color: #dbe3ee;
  -webkit-tap-highlight-color: transparent;
}
.sv-hold:disabled { opacity: 0.45; cursor: default; }
.sv-hold:active:not(:disabled) { background: #253044; }

/* 가로 모드(세로가 짧을 때)는 칸을 납작하게, 손패를 한 줄로 — 공용 구제(스크롤)에
   기대지 않고 한 화면에 들어오게 한다. */
@media (orientation: landscape) and (max-height: 520px) {
  .sv-wrap { max-width: 620px; gap: 6px; }
  .sv-slot { aspect-ratio: 1.45; font-size: clamp(8px, 1.6vh, 11px); }
  .sv-table { padding: 6px 6px; gap: 3px; }
  .sv-card { width: clamp(24px, 4.6vh, 32px); }
  .sv-hold { min-height: 40px; }
}