: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: 10px;
}

.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; }

.message {
  margin: 0; text-align: center; font-size: 13px; color: #a0a0a0;
  letter-spacing: 0.02em; min-height: 18px;
}
.message.win { color: #2ecc71; font-weight: 700; }

/* ─── 보드: 추측 행들 ─── */
.board {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
  min-height: 0;
}
.guess-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #141414;
  border: 1px solid #242424;
  border-radius: 12px;
  padding: 6px 8px;
}
.guess-row.current {
  border-color: #4f9eff;
  background: #16202e;
}
.guess-row.empty { opacity: 0.4; }

.pegs {
  display: flex;
  gap: 6px;
  flex: 1 1 auto;
  justify-content: center;
}
.peg {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #0e0e0e;
  flex: 0 0 auto;
}
.peg.filled { border-color: rgba(255, 255, 255, 0.28); }
.guess-row.current .peg.filled { cursor: pointer; }

/* 6색 팔레트 */
.c0 { background: #e74c3c; }
.c1 { background: #e67e22; }
.c2 { background: #f1c40f; }
.c3 { background: #2ecc71; }
.c4 { background: #3498db; }
.c5 { background: #9b59b6; }

/* 피드백 핀 — 2×2 그리드 */
.feedback {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 3px;
  flex: 0 0 auto;
  width: 26px; height: 26px;
}
.fb {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1px solid #333;
  background: transparent;
}
.fb.exact { background: #f5f5f5; border-color: #f5f5f5; }
.fb.partial { background: transparent; border-color: #888; }

/* 팔레트 */
.palette {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex: 0 0 auto;
}
.swatch {
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 2px solid rgba(255, 255, 255, 0.18);
  cursor: pointer;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}
.swatch:active { transform: scale(0.92); }

/* 컨트롤 버튼 */
.controls {
  display: flex;
  gap: 8px;
  flex: 0 0 auto;
}
.controls button {
  flex: 1;
  font: inherit;
  min-height: 52px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  font-size: 15px;
  -webkit-tap-highlight-color: transparent;
}
.clear-btn {
  color: #f5f5f5;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
}
.clear-btn:active { background: rgba(255, 255, 255, 0.16); }
.guess-btn {
  color: #fff;
  background: #4f9eff;
  border: none;
}
.guess-btn:active { background: #3d8ae8; }
.guess-btn:disabled {
  background: #2a2a2a;
  color: #666;
  cursor: default;
}

/* 좌상단 ← 홈, 우상단 🏆 명예의 전당 */
.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;
  border: none; cursor: pointer; font-family: inherit;
  -webkit-tap-highlight-color: transparent;
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.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 */
.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-score .unit {
  font-size: 20px; font-weight: 600; color: #c0c0c0; margin-left: 6px;
  letter-spacing: 0;
}
.overlay-meta {
  margin: 0; font-size: 14px; color: #a0a0a0; min-height: 1em;
  display: flex; gap: 6px; align-items: center; justify-content: center;
}
.overlay-meta .peg {
  width: 20px; height: 20px;
}
.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; }