.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: 1fr;
  gap: 20px;
  padding-top: 20px;
  margin-bottom: 70px;

}

.quiz-card img {
  width: 100%;
  height: auto;
  display: block;

}

.quiz-card {
  border: 2px solid #ccc;
padding-bottom: 10px;
  cursor: pointer;
  transition: 0.3s ease;
  align-items: center;
  gap: 10px;
  position: relative;
}
.quiz-card div {
  width: 100%;
}

.quiz-card.selected {
  border-color: #00bcd4;
  background-color: rgb(61, 61, 247);
}

.quiz-card.faded {
  opacity: 1;
}

.quiz-checkbox {
  width: 22px;
  height: 22px;
  position: absolute;
  top: 0%;
  margin-top: 16px;
  left: 13px;
}


/* Responsive tweaks */
@media (max-width: 480px) {
  /* .top-left-box {
    width: 18px;
    height: 18px;
  } */
}

.quiz-card {
  width: 100%;

  border-radius: 8px;
  overflow: hidden;
  color: #fff;
  position: relative;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  transition: transform 0.3s ease;
  position: relative;
}

.quiz-card:hover {
  transform: scale(1.02);
}

.checkbox-container {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 10;
}

.checkbox-container input[type="checkbox"] {
  display: none;
}


.custom-checkbox {
  width: 20px;
  height: 20px;
  background-color: transparent;
  border-radius: 4px;
  position: absolute;
  cursor: pointer;
}

.custom-checkbox::after {
  content: '✔';
  position: absolute;
  top: -2px;
  left: 4px;
  font-size: 16px;
  display: none;
}

.checkbox-container input:checked + .custom-checkbox::after {
  display: block;
}

.quiz-card img {
  width: 100%;
  height: auto;
  display: block;
}

.card-content {
  padding: 12px;
  text-align: center;
}

.card-content h3 {
  margin: 10px 0 5px;
  font-size: 18px;
  color: #000;
}

.card-content a {
  color: #fff;
  font-style: italic;
  text-decoration: none;
  font-size: 14px;
  word-wrap: break-word;
}

.card-content a:hover {
  text-decoration: underline;
}

#submit-btn{
  width: 100%;
  height: 40px;
  border-radius: 5px;
  background-color: #00bcd4;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
}

/* Responsive styles */
@media (max-width: 768px) {

  .grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      grid-template-rows: 1fr;
      gap: 10px;
      padding: 0px;
      padding-top: 24px;
      margin-bottom: 70px;
      align-items: center;
      justify-items: center;
      width: 100%;
    }

  .quiz-card {
    max-width: 100%;
    height: 267px;
  }
  .card-content  {
    padding: 5px;
   }
  
}

@media (max-width: 480px) {
  .card-content h3 {
    font-size: 16px;
  }
  .quiz-checkbox {
    width: 15px;
    height: 15px;
    position: absolute;
    top: 0%;
    margin-top: 7px;
    left: 5px;
  }
  
  .quiz-card {
    max-width: 100%;
    height: 267px;
  }
  .card-content  {
   padding: 5px;
  }

  .card-content a {
    font-size: 13px;
  }

  .custom-checkbox {
    width: 18px;
    height: 18px;
  }

  .custom-checkbox::after {
    font-size: 14px;
    top: -1px;
    left: 4px;
  }
}