/* Shared game styles - mobile-first */
:root {
  --bg: #fbfeff;
  --panel: #fff;
  --accent: #3b82f6;
  --muted: #94a3b8;
}
html,
body {
  height: 100%;
  margin: 0;
  font-family: Inter, system-ui, Arial, Helvetica, sans-serif;
  background: var(--bg);
}
.game-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.game-header {
  padding: 12px 14px;
  text-align: center;
}
.game-root {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
#banner {
  height: 48px;
  background: #f1f5f9;
  border-top: 1px solid #e2e8f0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.small-btn {
  padding: 8px 12px;
  border-radius: 8px;
  border: none;
  background: #e2e8f0;
}
/* responsive utilities */
.container-rows {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
@media (min-width: 720px) {
  .container-rows {
    flex-direction: row;
  }
}
/* celebration helper placeholder */
.confetti-canvas {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 1000;
}

/* Common breakpoints for game shells */
@media (max-width: 1024px) {
  .game-header {
    padding: 10px 12px;
  }
  .game-root {
    padding: 10px;
  }
  #banner {
    height: 44px;
  }
}
@media (max-width: 768px) {
  .game-header {
    padding: 8px 10px;
  }
  .game-root {
    padding: 8px;
  }
  #banner {
    height: 40px;
  }
}