/* Contact form styles */
.form-control.is-invalid {
  border-color: #dc3545;
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23dc3545' viewBox='0 0 12 12'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-invalid:focus {
  border-color: #dc3545;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.form-notification {
  opacity: 0;
  visibility: hidden;
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 15px 20px;
  border-radius: 5px;
  color: white;
  background: #333;
  z-index: 1000;
  box-shadow: 0 3px 10px rgba(0,0,0,0.2);
  transform: translateY(150%);
  transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
}

.form-notification.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.form-notification.success {
  background-color: #28a745;
}

.form-notification.error {
  background-color: #dc3545;
}

.form-check {
  margin-top: 15px;
}

.form-check-input:checked {
  background-color: #007bff;
  border-color: #007bff;
}

/* Loading animation for button */
.btn-loading {
  position: relative;
  color: transparent !important;
}

.btn-loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-top: -8px;
  margin-left: -8px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  animation: btn-spin 0.8s infinite linear;
}

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