/* Responsive 2x2 Button Matrix */
.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 50%;
  margin: auto;
}
.row {
  display: flex;
  flex-direction: row;
  justify-content: center;
  width: 100%;
}
.btn {
  margin: 18px;
  display: inline-block;
  height: 120px;
  width: 120px;
  border: 10px solid black;
  border-radius: 20%;
  box-sizing: border-box;
}

@media (max-width: 1024px) {
  .container {
    width: 90vw;
    max-width: 400px;
    min-width: 0;
  }
  .btn {
    height: 90px;
    width: 90px;
    margin: 10px;
    border-width: 7px;
  }
}

@media (max-width: 600px) {
  .container {
    width: 98vw;
    max-width: 320px;
    min-width: 0;
    padding: 0;
  }
  .row {
    width: 100%;
  }
  .btn {
    height: 240px;
    width: 240px;
    margin: 30px;
    border-width: 4px;
  }
}
/* Rules Dropdown Effect */
.rules-dropdown ul {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s;
  margin-bottom: 0;
}
.rules-dropdown ul[style*="max-height: 0"] {
  pointer-events: none;
}
.rules-dropdown ul[style*="max-height"] {
  margin-top: 0;
}
.rules-dropdown h2 {
  display: flex;
  align-items: center;
  gap: 8px;
}
.container h2 {
  font-family: "Press Start 2P", cursive;
  color: #ffd700;
  font-size: 1.5rem;
  margin-bottom: 18px;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px #011f3f44;
}
.container ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}
.container ul li {
  font-family: "Press Start 2P", cursive;
  color: #fef2bf;
  background: #02203a;
  border-radius: 10px;
  margin-bottom: 14px;
  padding: 12px 18px;
  font-size: 0.95rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: background 0.2s, color 0.2s;
}
.container ul li:last-child {
  margin-bottom: 0;
}
body {
  text-align: center;
  background-color: #011f3f;
}

#level-title {
  font-family: "Press Start 2P", cursive;
  font-size: 3rem;
  margin: 5%;
  color: #fef2bf;
}

.game-over {
  background-color: red;
  opacity: 0.8;
}

.red {
  background-color: red;
}

.green {
  background-color: green;
}

.blue {
  background-color: blue;
}

.yellow {
  background-color: yellow;
}

.pressed {
  box-shadow: 0 0 20px white;
  background-color: grey;
}