.exercise-container {
  width: 68rem;
  height: 40rem;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'League Spartan', sans-serif;
}

.kitchen-container {
  width: 65rem;
  max-height: 40rem;
  background-color: #fff;
  border-radius: 0.8rem;
  box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.1);
}

/* Custom scrollbar */
.kitchen-container::-webkit-scrollbar {
  width: 0.8rem;
}

.kitchen-container::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 0.4rem;
}

.kitchen-container::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 0.4rem;
}

.kitchen-container::-webkit-scrollbar-thumb:hover {
  background: #aaa;
}

.kitchen-table {
  width: 65rem;
  border-collapse: collapse;

}

.kitchen-table tr {
  border-bottom: 0.1rem solid #eee;
}

.kitchen-table tr:last-child {
  border-bottom: none;
}

.kitchen-table td {
  padding: 1.2rem 1rem;
  font-size: 1.2rem;
  vertical-align: middle;
}

.sentence {
  width: 70%;
  line-height: 1.5;
}

.scramble {
  width: 20%;
  font-weight: bold;
  color: #00699f;
  letter-spacing: 0.1rem;
  text-align: center;
  font-family: monospace;
  font-size: 1.4rem;
  background-color: #f5f5f5;
  border-radius: 0.4rem;
  padding: 0.8rem;
}

.bulb-cell {
  width: 10%;
  text-align: center;
}

.bulb-button {
  background: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.bulb-button:hover {
  transform: scale(1.1);
}

.bulb-icon {
  width: 2rem;
  height: 2rem;
  opacity: 0.7;
}

.fill-in {
  width: 10rem;
  height: 2.5rem;
  padding: 0 0.5rem;
  font-size: 1.2rem;
  border: 0.2rem solid #F9B002;
  border-radius: 1.5rem;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.7);
  transition: all 0.2s ease;
}

.fill-in:focus {
  outline: none;
  border-color: #00699f;
  box-shadow: 0 0 0.3rem rgba(52, 152, 219, 0.5);
  background-color: rgba(255, 255, 255, 0.9);
}

/* Visual feedback for correct/incorrect answers */
.fill-in.correct {
  background-color: rgba(37, 129, 116, 0.1);
  border-color: #258174;
}

.fill-in.incorrect {
  background-color: rgba(255, 0, 0, 0.1);
  border-color: #ff0000;
}

/* Image Popup Styles */
.image-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  pointer-events: none;
}

.popup-content {
  position: absolute;
  background-color: #fff;
  padding: 0.5rem;
  border-radius: 0.5rem;
  width: 6rem;
  box-shadow: 0 0.2rem 1rem rgba(0, 0, 0, 0.3);
  pointer-events: auto;
}

.popup-content img {
  width: 6rem;
  height: 6rem;
  display: block;
  border-radius: 0.2rem;
}

.close-popup {
  position: absolute;
  top: -0.8rem;
  right: -0.8rem;
  background: #fff;
  border: 0.1rem solid #ccc;
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  font-size: 1.2rem;
  cursor: pointer;
  color: #333;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0.1rem 0.3rem rgba(0, 0, 0, 0.2);
}