.container {
  margin: 20px;
  border: solid 1px black;
}

main {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
}

.leftContainer {
  display: flex;
  flex-direction: column;
  align-items: center;
  border: solid 1px black;
}

.leftbuttonBox {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.leftContainer button {
  margin-top: 20px;
  width: 200px;
  height: 72px;
}

.leftContainer button.selected {
  color: rgb(54, 54, 54);
  background-color: rgb(61, 230, 69);
}

.middleContainer {
  display: grid;
  grid-template-rows: auto;
  border: solid 1px black;
}

.middleBoxContainer {
  margin-bottom: 20px;
}

.buttonBox {
  display: flex;
  flex-direction: column;
  margin-top: 30px;
}

.buttonBox button {
  padding: 15px 20px;
  font-size: 32px;
}

.buttonWithImage {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.buttonWithImage img {
  width: 140px;
  height: 140px;
  margin-right: 10px;
  margin-left: 17px;
}

.buttonBox button.selected {
  color: rgb(54, 54, 54);
  background-color: rgb(61, 230, 69);
}

.rightContainer {
  display: grid;
  grid-template-rows: 60px 60px 238px 60px 60px;
  border: solid 1px black;
}

button {
  margin: 0 20px;
  margin-bottom: 10px;
  padding: 10px 20px;
  font-size: 32px;
  font-weight: bold;
  color: rgb(54, 54, 54);
  background-color: #3396ff;
  border: solid 2px black;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #0056b3;
}

#sendPaletteInfo {
  margin: 0;
  width: 100%;
  height: 72px;
  margin-bottom: 20px;
  background-color: #3396ff;
}

#startRobotButton {
  margin: 0;
  width: 100%;
  height: 72px;
  margin-bottom: 55px;
  margin-top: 10px;
  padding: 10px 15px;
  background-color: #3396ff;
}

#startRobotButton:disabled {
  background-color: gray;
  color: white;
  cursor: not-allowed;
}

#woodenFlatPallet:disabled {
  background-color: gray;
  color: white;
  cursor: not-allowed;
}

#exitAppButton {
  margin: 0;
  width: 100%;
  color: rgb(54, 54, 54);
  background-color: rgb(252, 101, 101);
  padding: 10px;
  cursor: pointer;
  font-size: 22px;
}

#resetButton {
  margin: 0;
  width: 100%;
  color: rgb(54, 54, 54);
  background-color: rgb(252, 169, 101);
  padding: 10px;
  cursor: pointer;
  font-size: 22px;
}

#bookHeight {
  width: 100px;
  height: 40px;
  margin-top: 10px;
  padding: 10px;
  font-size: 19px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

#palletHeight {
  width: 180px;
  height: 40px;
  margin-top: 10px;
  padding: 10px;
  font-size: 19px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

.inputContainer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.inputBox {
  display: flex;
}

p {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  height: 40px;
  margin-top: 10px;
  padding: 10px;
  font-size: 19px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

#bookHeight::placeholder,
#palletHeight::placeholder {
  color: #999;
}

#bookHeightTitle,
#palletHeightTitle {
  margin-top: 20px;
  font-size: 19px;
  font-weight: 600;
}


html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

#alert {
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  position: absolute;
  justify-content: center;
  display: none;
}

#alertBox{
  width: 80%;
  height: 50%;
  background-color: white;
  display: flex;
  align-self: center;
  border-radius: 10px;
  border:2px solid black;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

#loader {
  border: 16px solid #f3f3f3; /* Light gray */
  border-top: 16px solid #3498db; /* Blue */
  border-radius: 50%;
  width: 100px;
  height: 100px;
  animation: spin 1s linear infinite;
  margin: 10px auto; /* Center the loader */
}

#alert_msg {
  font-size: 32px;
  font-weight: bold;
  color: rgb(54, 54, 54);

}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}