body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #1d2671, #c33764);
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

/* GLASS CARD */
.quiz-container {
  width: 350px;
  padding: 30px;
  border-radius: 20px;
  backdrop-filter: blur(15px);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  text-align: center;
  color: white;
}

/* QUESTION */
#question {
  margin-bottom: 20px;
}

/* TIMER */
#timer {
  font-size: 14px;
  color: #ffd369;
  margin-bottom: 10px;
}

/* OPTIONS */
.option {
  display: block;
  width: 100%;
  margin: 10px 0;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: rgba(255,255,255,0.15);
  color: white;
  cursor: pointer;
  transition: 0.3s;
}

.option:hover {
  background: rgba(255,255,255,0.3);
  transform: scale(1.03);
}

/* DISABLED */
.option:disabled {
  cursor: not-allowed;
  opacity: 0.8;
}

/* BUTTONS */
#nextBtn, #restartBtn {
  margin-top: 15px;
  padding: 12px;
  border-radius: 25px;
  border: none;
  background: white;
  color: black;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

#nextBtn:hover, #restartBtn:hover {
  transform: scale(1.05);
}

/* SCORE */
#score {
  margin-top: 15px;
  font-size: 18px;
}