body {
  text-align: center;
  background-color: #011F3F;
  /* Modern dark gradient background */
  background: radial-gradient(circle, #012a52 0%, #001021 100%);
  margin: 0;
  height: 100vh;
}

#level-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 3rem;
  margin: 5% 0;
  color: #FEF2BF;
  text-shadow: 3px 3px #000; /* Text ko thoda depth dene ke liye */
}

.container {
  display: block;
  width: 50%;
  margin: auto;
}

.btn {
  margin: 25px;
  display: inline-block;
  height: 200px;
  width: 200px;
  border: 8px solid #111;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.1s ease-in-out;
  /* 3D Glassy look aur shadow */
  box-shadow: 0 15px 0 #000, 0 20px 25px rgba(0,0,0,0.5); 
  position: relative;
}

/* Jab mouse button ke upar ho (Hover effect) */
.btn:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 0 #000, 0 25px 30px rgba(0,0,0,0.6);
}

/* Modern Colors with Gradients */
.green  { background: linear-gradient(145deg, #2ecc71, #27ae60); }
.red    { background: linear-gradient(145deg, #e74c3c, #c0392b); }
.yellow { background: linear-gradient(145deg, #f1c40f, #f39c12); }
.blue   { background: linear-gradient(145deg, #3498db, #2980b9); }

/* Pressed Effect (Actual 3D Click) */
.pressed {
  box-shadow: 0 5px 0 #000 !important; /* Shadow choti ho jayegi */
  transform: translateY(10px) !important; /* Button niche dabega */
  filter: brightness(1.5); /* Button chamkega */
}

.game-over {
  background-color: red;
  opacity: 1;
  animation: shake 0.2s ease-in-out 3; /* Screen shake karegi */
}

@keyframes shake {
  0% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
  100% { transform: translateX(0); }
}

#custom-alert {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(1, 31, 63, 0.95);
  border: 4px solid #FEF2BF;
  padding: 30px;
  border-radius: 20px;
  z-index: 100;
  color: #FEF2BF;
  font-family: 'Press Start 2P', cursive;
  box-shadow: 0 0 50px rgba(254, 242, 191, 0.5);
  text-align: center;
}

#custom-alert button {
  margin-top: 20px;
  padding: 10px 20px;
  background: #FEF2BF;
  color: #011F3F;
  border: none;
  font-family: 'Press Start 2P', cursive;
  cursor: pointer;
  border-radius: 10px;
}

.hidden { display: none; }

footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  padding: 15px 0;
  background-color: rgba(0, 0, 0, 0.3); /* Subtle dark background */
  color: #FEF2BF;
  font-family: 'Press Start 2P', cursive;
  font-size: 0.7rem; /* Chota font taaki game focus mein rahe */
  letter-spacing: 1px;
}

footer span {
  color: #e74c3c; /* Sumit naam red highlight hoga */
  text-transform: uppercase;
}
.container {
  margin-bottom: 80px; /* Footer ke liye thodi jagah */
}