/* Default light mode variables */
:root {
  --background-color: #f4f4f4;
  --text-color: #000000;
  --container-background-color: #f9f9f9;
  --container-border-color: #ccc;
  --footer-background-color: #fff;
  --button-background-color: #2E8B57;
  --button-text-color: #fff;
  --button-hover-color: #2E8B57;
}

/* Dark mode variables */
body.dark-mode {
  --background-color: #181818;
  --text-color: #ffffff;
  --container-background-color: #333333;
  --container-border-color: #444444;
  --footer-background-color: #222222;
  --button-background-color: #555555;
  --button-text-color: #ffffff;
  --button-hover-color: #888888;
}

/* Apply variables */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--background-color);
  color: var(--text-color);
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

h2 {
  text-align: center;
  margin-bottom: 10px;
}

button {
  display: block;
  margin: 0 auto;
  padding: 12px 24px;
  background-color: var(--button-background-color);
  color: var(--button-text-color);
  border: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: bold;
  text-transform: uppercase;
  cursor: pointer;
  outline: none;
  position: relative;
  overflow: hidden;
}

button::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300%;
  height: 300%;
  background-color: rgba(255, 255, 255, 0.2);
  transition: width 0.5s, height 0.5s, top 0.5s, left 0.5s;
  border-radius: 50%;
  z-index: 0;
  transform: translate(-50%, -50%);
}

button:hover::before {
  width: 0;
  height: 0;
  top: 50%;
  left: 50%;
}

button span {
  position: relative;
  z-index: 1;
}

button:hover span {
  color: var(--button-hover-color);
}

.code-container {
  max-width: 800px;
  margin: 50px auto;
  overflow-x: auto;
  white-space: pre-wrap;
  border: 1px solid var(--container-border-color);
  border-radius: 5px;
  background-color: var(--container-background-color);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  padding: 20px;
}

footer {
  max-width: 800px;
  margin: 50px auto;
  padding: 20px;
  background-color: var(--footer-background-color);
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.footer-container {
  flex-direction: column;
  display: flex;
  justify-content: space-between;
  background-color: var(--footer-background-color);
  padding: 20px;
}

.footer-container div {
  flex: 1;
  margin-right: 20px;
}

.footer-container h3 {
  margin-bottom: 10px;
}

.footer-container ul {
  padding-left: 0;
  list-style-type: none;
}

.footer-container li {
  margin-bottom: 5px;
}

.footer-container a {
  text-decoration: none;
  color: var(--text-color);
}

.footer-container a:hover {
  text-decoration: underline;
}

.footer-container p {
  margin-bottom: 5px;
  font-size: 14px;
}

.copyright {
  text-align: center;
}

.pdf-container,
.impressum,
.datenschutz,
.nutzungsbedingungen,
.sitemap {
  margin: 15px;
}

@media only screen and (max-width: 768px) {
  .code-container,
  footer {
      max-width: 90%;
      margin: 0 auto;
      border: 1px solid var(--container-border-color);
      border-radius: 5px;
      background-color: var(--container-background-color);
      box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  }

  .footer-container {
      flex-direction: column;
      display: flex;
      justify-content: space-between;
      background-color: var(--footer-background-color);
      padding: 20px;
  }
}

/* Fixed position for the mode toggle */
.mode-toggle {
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 1000;
}

.mode-toggle select {
  padding: 5px;
  font-size: 16px;
}