* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background: url('image.css/game quiz.jpg') no-repeat center center fixed;
  background-size: cover;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  text-align: center;
  overflow-x: hidden;
}

/* === Game Container Placeholder === */
#game-container {
  margin-top: 100px;
  text-align: center;
}

/* === Timer Styling === */
#timer {
  font-size: 24px;
  color: #fff;
  background-color: #333;
  padding: 10px 20px;
  border-radius: 10px;
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  user-select: none;
  box-shadow: 0 4px 8px rgba(0,0,0,0.4);
}

.container {
  background: rgba(2, 61, 88, 0.6);
  border-radius: 20px;
  padding: 30px;
  max-width: 700px;
  width: 90%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(15px);
}

h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

input[type="text"],
select {
  width: 100%;
  padding: 10px;
  border-radius: 10px;
  border: none;
  margin-bottom: 15px;
  font-size: 1em;
}

button {
  background-color: #00c6ff;
  color: white;
  border: none;
  padding: 12px 20px;
  margin: 10px 5px;
  border-radius: 10px;
  font-weight: bold;
  font-size: 1em;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background-color: #0072ff;
}

/* Quiz Game */
#quiz,
#score,
#leaderboard,
#progressBar,
#explanation {
  margin-top: 20px;
}

#question {
  font-size: 1.4em;
  margin-bottom: 15px;
}

#options button {
  display: block;
  width: 100%;
  margin: 10px 0;
  padding: 10px;
  font-size: 1em;
}

#timer {
  font-size: 1.2em;
  margin-top: 10px;
}

#streak {
  font-weight: bold;
  color: gold;
  margin-top: 5px;
}

#explanation {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 10px;
  border-radius: 10px;
}

#leaderboardList {
  list-style-type: none;
  padding: 0;
  text-align: left;
}

#leaderboardList li {
  background: rgba(255, 255, 255, 0.1);
  margin: 5px 0;
  padding: 8px 10px;
  border-radius: 8px;
}

/* Progress Bar */
#progressBar {
  background: #ccc;
  border-radius: 10px;
  overflow: hidden;
  height: 20px;
  width: 100%;
}

#progress {
  background: #00ff99;
  height: 100%;
  width: 0%;
  transition: width 0.3s;
}

/* Memory Challenge */
#memoryContainer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-top: 20px;
}

.memory-card {
  width: 80px;
  height: 80px;
  font-size: 40px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s;
}

.memory-card:hover {
  background-color: rgba(0, 198, 255, 0.5);
}

.hidden {
  display: none;
}

/* Responsive */
@media (max-width: 600px) {
  .container {
    padding: 20px;
  }

  h1 {
    font-size: 2em;
  }

  input,
  select,
  button {
    font-size: 0.95em;
  }

}