.gpt-form-title{
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 0.5em;
  text-align: center;
}

.gpt-form-area{
  width: 100%;
}

.gpt-form-field-area{
  width: 100%;
  margin-bottom: 1em;
}
.gpt-form-field-label{
  font-size: 0.9em;
}

.gpt-form-field-unit{
  font-size: 0.9em;
  margin-left: 0.1em;
}

input[type="number"].gpt-form-field{
  width: 12em;
  max-width: (100% - 2em);
}

input[type="text"].gpt-form-field{
  width: 100%;
  max-width: 100%;
}

select.gpt-form-field{
  width: 12em;
  max-width: 100%;
}

textarea.gpt-form-field{
  width: 100%;
  max-width: 100%;
}

select.gpt-form-field:invalid{
  color: #cccccc;
}

.gpt-form-field-error{
  background-color: #ffeeee;
}

.gpt-form-result-area{
  color: #555555;
  width: 100%;
  background-color: #fafafa;
  height: 10em;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 2em 0;
  border-radius: 4px;
  box-shadow: 0 2px 1px -1px rgba(0, 0, 0, 0.1), 0 1px 1px 0 rgba(0, 0, 0, 0.14), 0 1px 3px 0 rgba(0, 0, 0, 0.12);
}

.gpt-form-loading-area{
  color: #555555;
  width: 100%;
  background-color: #fafafa;
  height: 10em;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 2em 0;
  border-radius: 4px;
  box-shadow: 0 2px 1px -1px rgba(0, 0, 0, 0.1), 0 1px 1px 0 rgba(0, 0, 0, 0.14), 0 1px 3px 0 rgba(0, 0, 0, 0.12);
}

.gpt-form-result-line{
  font-weight: bold;
}

.gpt-form-result-note{
  font-size: 0.8em;
}

.gpt-form-button{
  letter-spacing: 1px;
  background-color: #3ba1da;
  font-size: 0.8em;
  padding: 1em;
  vertical-align: middle;
  height: auto;
  cursor: pointer;
  box-shadow: none;
  text-shadow: none;
  font-family: inherit;
  outline: 0;
  margin: 1rem 0 0 0;
  opacity: 1;
  -webkit-appearance: none;
  min-width: 250px;
  color: #ffffff;
  border-radius: 4px;
  transition: 0.2s;
  border: none;
}


.gpt-form-button:hover{
  background-color: #44b0ec;
}


.gpt-form-secondary-button{
  background-color: #f3f6f8;
  border-color: #eaecef;
  color: #666666;
}

.gpt-form-secondary-button:hover{
  background-color: #eaecef;
}

.gpt-form-button:disabled{
  opacity: 0.8;
  background-color: #f3f6f8;
  cursor: auto;
  color: #dddddd;
}


.gpt-form-result-price{
  font-size: 1.8em;
  color: #3ba1da;
  margin: 0 0.1em;
}

.gpt-form-hidden{
  display: none;
}


.required-mark{
  color: #dd0000;
  margin-left: 0.2em;
}

.three-quarter-spinner {
  width: 2.5em;
  height: 2.5em;
  border: 4px solid #3ba1da;
  border-top: 4px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear 0s infinite;
  margin-bottom: 0.5em;
}

@keyframes spin {
  from {
    transform: rotate(0);
  }
  to{
    transform: rotate(359deg);
  }
}