/* Import a nice Google Font */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

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

body {
  font-family: 'Poppins', sans-serif;
  background: url('https://images.unsplash.com/photo-1503676260728-1c00da094a0b?auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(2px);
}

.quiz-container {
  background-color: rgba(255, 255, 255, 0.95);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  width: 90%;
  max-width: 500px;
  text-align: center;
  animation: fadeIn 1s ease-in-out;
}

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

#question {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 20px;
}

.options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option-btn {
  background-color: #f0f0f0;
  border: 2px solid #ddd;
  padding: 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 16px;
}

.option-btn:hover {
  background-color: #d3e5ff;
  border-color: #0b5ed7;
}

.option-btn.correct {
  background-color: #c8f7c5;
  border-color: #28a745;
}

.option-btn.wrong {
  background-color: #f8d7da;
  border-color: #dc3545;
}

.btn {
  margin-top: 25px;
  padding: 12px 25px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  letter-spacing: 1px;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: all 0.5s;
}

.btn:hover::after {
  left: 100%;
}

.btn:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}