:root {
  color-scheme: light;
  --bg-top: #fff5dd;
  --bg-bottom: #f0c27b;
  --panel: rgba(255, 250, 240, 0.72);
  --panel-border: rgba(85, 49, 15, 0.12);
  --text: #2f2419;
  --muted: #6f5a45;
  --accent: #d9481f;
  --accent-2: #ffb347;
  --shadow: 0 22px 60px rgba(90, 51, 14, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.9), transparent 30%),
    radial-gradient(circle at bottom right, rgba(217, 72, 31, 0.18), transparent 30%),
    linear-gradient(160deg, var(--bg-top), var(--bg-bottom));
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(8px);
}

body::before {
  top: 7vh;
  right: 8vw;
  width: 180px;
  height: 180px;
  background: rgba(255, 255, 255, 0.28);
}

body::after {
  left: 6vw;
  bottom: 8vh;
  width: 240px;
  height: 240px;
  background: rgba(255, 184, 77, 0.24);
}

.game-shell {
  width: min(1080px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 36px;
}

.hero {
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.8rem;
  letter-spacing: 0.28em;
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  font-family: "Black Han Sans", sans-serif;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  letter-spacing: 0.02em;
}

.subtitle {
  max-width: 620px;
  margin: 12px 0 0;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--muted);
}

.hud {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.stat-card,
.controls,
.board-wrap {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.stat-card {
  padding: 16px 18px;
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.82rem;
  color: var(--muted);
}

.stat-card strong {
  font-size: 1.6rem;
}

.board-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  padding: 14px;
  border: 1px solid rgba(110, 68, 26, 0.16);
  background: linear-gradient(180deg, rgba(255, 248, 235, 0.7), rgba(255, 242, 214, 0.78));
  box-shadow: var(--shadow);
}

#gameCanvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(71, 45, 26, 0.94), rgba(42, 27, 15, 0.98)),
    linear-gradient(transparent 95%, rgba(255, 255, 255, 0.06) 100%);
}

.overlay {
  position: absolute;
  inset: 14px;
  display: grid;
  place-items: center;
  background: rgba(31, 18, 9, 0.52);
  border-radius: 20px;
  transition: opacity 220ms ease, visibility 220ms ease;
}

.overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.overlay-card {
  width: min(440px, calc(100% - 32px));
  padding: 28px;
  text-align: center;
  border-radius: 24px;
  background: rgba(255, 248, 238, 0.92);
  border: 1px solid rgba(99, 61, 25, 0.14);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

.overlay-card h2 {
  margin: 0 0 10px;
  font-family: "Black Han Sans", sans-serif;
  font-size: 2rem;
}

.overlay-card p {
  margin: 0 0 20px;
  color: var(--muted);
  line-height: 1.6;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 14px 26px;
  font: inherit;
  font-weight: 700;
  color: #fffaf3;
  background: linear-gradient(135deg, var(--accent), #ff7b1c);
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(217, 72, 31, 0.28);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

button:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 16px 34px rgba(217, 72, 31, 0.36);
}

.controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.controls p {
  margin: 0;
  color: var(--muted);
}

.controls span {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-weight: 700;
}

@media (max-width: 900px) {
  .hud,
  .controls {
    grid-template-columns: 1fr;
  }

  .game-shell {
    width: min(100vw - 20px, 1080px);
    padding-top: 18px;
  }

  .board-wrap {
    padding: 10px;
  }

  .overlay {
    inset: 10px;
  }
}