/* Loading Screen */
#loading-screen {
  position: fixed;
  top:0; left:0; width:100%; height:100%;
  background:#d6336c;
  color:white;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  z-index:9999;
}

.loader {
  border: 6px solid #ffe6f0;
  border-top: 6px solid white;
  border-radius: 50%;
  width:50px;
  height:50px;
  animation: spin 1s linear infinite;
  margin-top:20px;
}

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

body {
  font-family: Arial, sans-serif;
  text-align: center;
  background: linear-gradient(135deg,#f5f5f5,#ffe6f0);
  margin: 0;
  padding: 20px;
  transition: background 0.5s;
}

h1 { color: #d6336c; animation: glow 2s infinite alternate; }
@keyframes glow { from { text-shadow: 0 0 5px #d6336c; } to { text-shadow: 0 0 20px #ff69b4; } }

#menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 20px;
  gap: 10px;
}

#menu button {
  position: relative;
  margin: 5px;
  padding: 12px 20px;
  background: linear-gradient(45deg,#d6336c,#ff69b4);
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-size: 16px;
  transition: transform 0.2s, box-shadow 0.3s;
}

#menu button:hover { transform: translateY(-5px); box-shadow: 0 8px 15px rgba(0,0,0,0.3); }
#menu button i { margin-right: 8px; }

.game {
  display: none;
  background: white;
  margin: 20px auto;
  padding: 20px;
  border-radius: 12px;
  width: 80%;
  max-width: 500px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  animation: fadeIn 0.5s;
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

button { padding: 8px 16px; margin: 5px; border: none; border-radius: 8px; background: #d6336c; color: white; cursor: pointer; transition: transform 0.2s; }
button:hover { transform: scale(1.05); }

.board { display: grid; grid-template-columns: repeat(3, 100px); gap: 5px; margin: 20px auto; width: 320px; }
.cell { width: 100px; height: 100px; display: flex; justify-content: center; align-items: center; font-size: 36px; border: 2px solid #d6336c; cursor: pointer; transition: 0.2s; }
.cell:hover { background: #ffe6f0; }

canvas { background: #e3e3e3; display: block; margin: 0 auto; border-radius: 8px; }

.memory-board { display: grid; grid-template-columns: repeat(4, 80px); gap: 10px; justify-content: center; }
.memory-card { width: 80px; height: 80px; background: #d6336c; border-radius: 6px; cursor: pointer; display: flex; align-items: center; justify-content: center; color: white; font-size: 24px; transition: transform 0.2s; }
.memory-card:hover { transform: scale(1.1); }