#warranty-search {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1rem;
}

#warranty-search .search-field {
  flex: 1 1 200px;
  padding: 0.5rem 0.75rem;
  border: 1px solid #ced4da;
  border-radius: 0.375rem;
  font-size: 1rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

#warranty-search .search-field:focus {
  border-color: #80bdff;
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

#warranty-search .search-button {
  padding: 0.5rem 1rem;
  font-size: 1rem;
  border: 1px solid #007bff;
  background-color: #007bff;
  color: #fff;
  border-radius: 0.375rem;
  cursor: pointer;
  transition: background-color 0.15s ease-in-out;
}

#warranty-search .search-button:hover {
  background-color: #0069d9;
}

.custom-message {
  padding: 10px;
  font-size: 14px;
  text-align:center;
}

@media (max-width: 600px) {
  #warranty-search {
    flex-direction: column;
    align-items: stretch;
  }

  #warranty-search .search-field,
  #warranty-search .search-button {
    flex: none !important; /* disable flex behavior */
    width: 100%;
  }
}

/* Apply red styling only when the form has .was-validated */
#warranty-search.was-validated input:invalid {
  border: 2px solid #dc3545;
  background-color: #fff5f5;
}

#warranty-search.was-validated input:focus:invalid {
  outline: none;
  box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}