:root {
  font-size: 16px; /* Set the root font size */
  --background-color: #f5f5f5;
  --text-color: #222;
  --header-background: #e0e0e0;
  --button-background: #0066cc;
  --button-text: #ffffff;
}

[data-theme="dark"] {
  --background-color: #2a2a2a;
  --text-color: #e0e0e0;
  --header-background: #3a3a3a;
  --button-background: #4a4a4a;
  --button-text: #e0e0e0;
}

.swal2-popup {
  background: var(--header-background);
  color: var(--text-color);
}
.swal2-confirm,
.swal2-cancel {
  background: var(--background-color);
  color: var(--text-color);
}
.swal2-confirm:hover,
.swal2-cancel:hover {
  background: var(--background-color);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100vh !important;
  line-height: 1.6;
  font-family: "SUSE";
  background-color: var(--background-color);
  color: var(--text-color);
}

ol,
ul {
  list-style: none;
}

button,
input,
textarea,
select {
  border: none;
  outline: none;
}

ul li {
  margin-bottom: 1em; /* Use em for margin */
  width: 97%;
  margin-left: 1.5%;
  margin-right: 1.5%;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1em 2em; /* Use em for padding */
  background-color: var(--header-background);
  border-bottom: 2px solid #ddd;
  color: var(--text-color);
  box-shadow: 0 0.25em 0.5em rgba(0, 0, 0, 0.1); /* Use em for box-shadow */
}

.header h1 {
  font-size: 1.5em; /* Use em for font-size */
  color: #333;
  color: var(--text-color);
  margin: 0;
}

#theme-toggle-btn {
  padding: 0.625em 1.25em; /* Use em for padding */
  font-size: 1em; /* Use em for font-size */
  color: #fff;
  background-color: #007bff;
  border: none;
  border-radius: 0.3125em; /* Use em for border-radius */
  cursor: pointer;
  transition: background-color 0.3s, transform 0.3s;
}

#theme-toggle-btn:hover {
  background-color: #0056b3;
  transform: scale(1.05);
}

#theme-toggle-btn:focus {
  outline: none;
  box-shadow: 0 0 0 0.125em rgba(0, 123, 255, 0.5); /* Use em for box-shadow */
}

.styled-checkbox {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.styled-checkbox + label {
  display: flex;
  align-items: center;
  cursor: pointer;
  position: relative;
  padding: 0.625em 2.5em; /* Use em for padding */
  font-size: 1.125em; /* Use em for font-size */
  background-color: #f0f0f0;
  border-radius: 0.5em; /* Use em for border-radius */
  transition: background-color 0.3s, color 0.3s;
}

.styled-checkbox + label::before {
  content: "";
  position: absolute;
  left: 0.625em; /* Use em for left */
  top: 50%;
  transform: translateY(-50%);
  width: 1.5em; /* Use em for width and height */
  height: 1.5em;
  border: 0.125em solid var(--text-color); /* Use em for border-width */
  border-radius: 50%;
  background-color: transparent;
  transition: background-color 0.3s, border-color 0.3s;
}

.styled-checkbox:checked + label::before {
  background-color: #007bff;
  border-color: #007bff;
}

.styled-checkbox:checked + label {
  color: #007bff;
  background-color: var(--text-color);
}

.styled-checkbox:not(:checked) + label {
  background-color: var(--header-background);
  border-radius: 0.5em; /* Use em for border-radius */
}

#output {
  background-color: #ccc4c473;
  height: 4.6875em; /* Use em for height */
  width: 100%;
  max-width: 37.5em; /* Use em for max-width */
  margin: 0 auto;
  text-align: center;
  padding: 1em; /* Use em for padding */
  margin-top: 0.625em; /* Use em for margin-top */
  box-sizing: border-box;
  border: 0.125em solid #ccc; /* Use em for border-width */
  border-radius: 0.5em; /* Use em for border-radius */
  overflow: auto;
}

@media (max-width: 37.5em) {
  #output {
    height: 4.6875em;
    width: 90%;
  }
}

@media (max-width: 25em) {
  #output {
    height: 7.5em;
    width: 100%;
  }
}

.buttons {
  display: flex;
  justify-content: space-around;
  margin-top: 0.625em; /* Use em for margin-top */
  margin: 0.625em; /* Use em for margin */
  width: 80%;
  margin-left: 10%;
  margin-right: 10%;
}

#generate-btn {
  padding: 0.625em 1.25em; /* Use em for padding */
  font-size: 1em; /* Use em for font-size */
  color: #fff;
  background-color: #007bff;
  border: none;
  border-radius: 0.3125em; /* Use em for border-radius */
  cursor: pointer;
  transition: background-color 0.3s, transform 0.3s;
}

#generate-btn:hover {
  background-color: #0056b3;
  transform: scale(1.05);
}

#copy-btn {
  padding: 0.625em 1.25em; /* Use em for padding */
  font-size: 1em; /* Use em for font-size */
  color: black;
  background-color: #c8cfd6;
  border: none;
  border-radius: 0.3125em; /* Use em for border-radius */
  cursor: pointer;
  transition: background-color 0.3s, transform 0.3s;
}

#copy-btn:hover {
  background-color: #b0b7bd;
  transform: scale(1.05);
}

.status-message {
  margin-top: 10px;
  font-size: 16px;
}

.status-message.success {
  color: green;
}

.status-message.error {
  color: red;
}