:root {
  color-scheme: dark;
  --bg: #101114;
  --panel: rgba(16, 17, 20, 0.74);
  --text: #f6f2e8;
  --muted: #b8b4aa;
  --line: rgba(255, 255, 255, 0.16);
  --accent: #34d399;
  --danger: #fb7185;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button {
  font: inherit;
}

.game-shell {
  position: relative;
  width: 100vw;
  height: 100svh;
  min-height: 520px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 10%, rgba(255, 255, 255, 0.08), transparent 34%),
    linear-gradient(180deg, #17191d 0%, #101114 58%, #090a0c 100%);
  touch-action: none;
  user-select: none;
}

#gameCanvas {
  display: block;
  width: 100%;
  height: 100%;
}

.hud {
  position: absolute;
  top: max(14px, env(safe-area-inset-top));
  left: 50%;
  z-index: 5;
  display: grid;
  width: min(92vw, 460px);
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  transform: translateX(-50%);
  pointer-events: none;
}

.hud > div {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(12, 13, 16, 0.5);
  padding: 8px 10px;
  backdrop-filter: blur(14px);
}

.hud-label {
  display: block;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.1;
}

.hud strong {
  display: block;
  overflow: hidden;
  color: var(--text);
  font-size: 19px;
  line-height: 1.15;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.menu {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px;
  text-align: center;
  background: linear-gradient(180deg, rgba(16, 17, 20, 0.1), rgba(16, 17, 20, 0.58));
}

.menu.is-hidden {
  display: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--muted);
}

.brand p {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0;
}

.mark {
  width: 14px;
  height: 14px;
  border-radius: 4px;
  background: conic-gradient(from 0deg, #34d399, #60a5fa, #f59e0b, #fb7185, #34d399);
}

.menu h1 {
  max-width: min(92vw, 12ch);
  margin: 0;
  font-size: clamp(36px, 10vw, 72px);
  line-height: 0.92;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

.menu-stats {
  min-height: 24px;
  margin: 18px 0 22px;
  color: var(--muted);
  font-size: 15px;
}

.menu-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.menu button {
  min-width: 132px;
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  background: var(--text);
  color: #101114;
  cursor: pointer;
  font-weight: 800;
}

.menu button.secondary {
  border: 1px solid var(--line);
  background: rgba(16, 17, 20, 0.62);
  color: var(--text);
}

.ad-panel {
  position: absolute;
  right: 14px;
  bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 12;
  min-width: 132px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 10px 12px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  backdrop-filter: blur(14px);
}

.ad-panel p {
  margin: 0;
}

.game-ad {
  position: absolute;
  left: 50%;
  z-index: 14;
  width: min(94%, 468px);
  min-height: 64px;
  transform: translateX(-50%);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(12, 13, 16, 0.58);
}

.game-ad-top {
  top: max(78px, calc(env(safe-area-inset-top) + 60px));
}

.game-ad-bottom {
  bottom: max(76px, calc(env(safe-area-inset-bottom) + 64px));
}

.game-ad:empty {
  display: none;
}

@media (min-width: 860px) {
  .game-shell {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 24px 80px rgba(0, 0, 0, 0.55);
  }
}

@media (max-height: 620px) {
  .menu h1 {
    font-size: 40px;
  }

  .brand {
    margin-bottom: 10px;
  }

  .menu-stats {
    margin: 10px 0 14px;
  }
}