body {
  font-family: Arial, Helvetica, sans-serif; 
  font-size: 16px;
  line-height: 1.6;
  margin: 0; 
  padding: 0; 
  background-color: #f2f2f2;
}

.header-container {
  margin-left: 10px;
  display: flex;
  align-items: center;
}


.show-hide-btn {
  display: inline-block;
  padding: 10px 10px;
  background-color: #3e818e;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
  margin-left: 20px;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.show-hide-btn:hover {
  background-color: #2c6a73; 
}


.show-hide-btn.active {
  background-color: #3e818e;
  transform: translateY(2px);
}

.options-list {
  position: relative;
  margin-top: 10px;
  margin-left: 20px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}


#logout-form {
  display: inline;
}

#logout-form button {
  background: none !important;
  border: none !important;
  padding: 0;
  font: inherit;
  cursor: pointer;
  color: white;
  text-decoration: underline;
}

#logout-form button:hover {
  color: #474343;
}

.options-list a {
  text-decoration: none;
  padding: 5px 10px;
  border: 1px solid #ccc;
  background-color: #ffff;
  border-radius: 3px;
  color: #333;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.options-list a:not(:last-child) {
  margin-right: 10px;
}

.options-list a:hover {
  background-color: #f7f7f7;
  color: #000;
}

#search-input {
  position: relative;
  background-color: #f7f7f7;
  color: #000;
  margin-right: 20px;
  border: 1px solid #ddd;
  border-radius: 3px;
  font-size: 16px;
  width: 70%;
}


form:not(#logout-form) {
  justify-content: center;
  align-items: center;
  max-width: 500px;
  margin: 0 auto;
  background-color: #fff;
  border: 1px solid #ddd;
  padding: 20px;
}

form#ink-add {
  position: relative;
  max-width: 1500px;
}

form h1 {
  margin-top: 0;
}

form label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.options-list button,
.options-list input,
form button {
  position: relative;
  display: inline-block;
  padding: 10px 10px;
  background-color: #3e818e;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.options-list input:not(#search-input) {
  margin-left : 10px;
}

.options-list button,
.options-list input,
form button:hover {
  background-color: #2c6a73;
  max-height: 100%;
  text-overflow: ellipsis;
}

.options-list button,
.options-list input,
form button.active {
  background-color: #3e818e;
  text-overflow: ellipsis;
}

form select,
form input,
#formset select,
#formset input[type="text"] {
  width: 80%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 3px;
  font-size: 16px;
  margin: 0;
}



.form-field {
  display: inline-block;
  align-items: center;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

ul li {
  margin-bottom: 10px;
}

ul li a {
  display: inline-block;
  padding: 5px;
  color: #333;
  text-decoration: none;
}

.hidden {
  display: none;
}

.compatible-printers-list input[type="checkbox"] {
  position: absolute;
  display: inline;
  margin-top: 5px;
  margin-right: 20px;
  z-index: 20;
}

input[type="checkbox"]:checked + label::before {
  background-color: #2196F3;
  border: 2px solid #2196F3;
}

.dropdown {
  position: relative;
  display: inline-block;
  z-index: 10;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  padding: 12px 16px;
  z-index: 1;
}


.dropdown:hover .dropdown-content {
  display: block;
  z-index: 10;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

details summary::marker {
  display: none;
  font-size: 0;
}

details summary::-webkit-details-marker {
  display: none;
  font-size: 0;
}

details summary::after {
  content: "\25BC";
  display: inline-block;
  font-size: small;
  transform: rotate(-90deg);
  transition: transform 0.25s;
}

details[open] summary::after {
  transform: rotate(0);
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.compatible-printers-list {
  list-style: none;
  position: absolute;
  padding: 0;
  background: white;
  width: fit-content;
  margin-right: 5%;
  padding: 10px;
  border: #ccc 1px solid;
  width: 300px;
}

.compatible-printers-list li {
  position: relative;
  display: block;
  align-items: left;
  text-wrap: nowrap;
}

details summary::marker {
  display: none;
  font-size: 0;
}

details summary::-webkit-details-marker {
  display: none;
  font-size: 0;
}

details summary::after {
  content: "\25BC";
  display: inline-block;
  font-size: small;
  transform: rotate(-90deg);
  transition: transform 0.25s;
  width: 0.75rem;
}

details[open] summary::after {
  transform: rotate(0);
}

fieldset {
  border: 0;
}

fieldset legend {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

ul li {
  margin: 0;
  display: flex; 
}

ul li label {
  display: inline-block;
  width: 8rem;
}

ul li input {
  border: #000 solid 1px;
  width: 20px;
}