/* Shared CalculaGames page outline, based on 2 Steering Wheels. */
.game-page {
  box-sizing: border-box;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  color: #16476a;
  font-family: 'Nunito', 'Segoe UI', sans-serif;
}
.game-page .game-page-intro {
  max-width: 820px;
  margin: 0 auto 24px;
  text-align: center;
}
.game-page .game-page-intro h1 {
  margin: 0 0 12px;
  color: #0875ac;
  font-family: inherit;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
}
.game-page .game-page-intro p {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.7;
}
.game-page .game-panel {
  box-sizing: border-box;
  width: 100%;
  max-width: none;
  padding: clamp(16px, 3vw, 28px);
  border: 1px solid white;
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(255,255,255,.92), rgba(231,249,255,.8));
  box-shadow: inset 0 1px 0 white, 0 12px 32px rgba(29,119,159,.15);
}
.game-page .game-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0;
  box-shadow: none;
}
.game-page .game-canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
}
.game-page .game-guide {
  margin: 24px 0 0;
  color: #16476a;
  font-family: inherit;
  font-size: 1.1rem;
  line-height: 1.75;
}
.game-page .game-guide h2 {
  margin: 0 0 16px;
  color: #0875ac;
  font-family: inherit;
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.3;
  text-shadow: 0 1px 0 white;
}
.game-page .game-guide h3 {
  margin: 28px 0 12px;
  color: #168365;
  font-family: inherit;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.4;
}
.game-page .game-guide p { margin: 0 0 18px; }
.game-page .game-guide p:last-child { margin-bottom: 0; }
.game-page .game-guide a { color: #086591; text-underline-offset: 4px; }
.game-page .game-guide a:hover { color: #12694f; }
.game-page .game-guide a:focus-visible { outline: 3px solid #0875ac; outline-offset: 4px; }
@media (max-width: 600px) {
  main { padding: 20px 12px; }
  .game-page .game-panel { padding: 12px; border-radius: 22px; }
  .game-page .game-guide { padding: 22px 18px; }
}

/* Keep canvas overlays inside the shared play area. */
.game-page .game-container { overflow: hidden; border-radius: 20px; }