:root {
  --bg-color: #ffffff;
  --text-color: #333333;
  --container-bg: #f5f5f5;
}

[data-theme="dark"] {
  --bg-color: #121212;
  --text-color: #f5f5f5;
  --container-bg: #1e1e1e;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: Arial, sans-serif;
  transition: background-color 0.3s, color 0.3s;
  margin: 0;
  padding: 20px;
}

.container {
  background-color: var(--container-bg);
  padding: 20px;
  border-radius: 10px;
  max-width: 600px;
  margin: 50px auto;
  text-align: center;
}

/* Toggle Switch with Icons */
.theme-switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
  margin: 20px 0;
}

.theme-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #131212;
  transition: 0.4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
  z-index: 2;
}

/* Icons inside the slider */
.slider i {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: rgb(109, 148, 233);
}

.slider .fa-sun {
  left: 8px;
  opacity: 1;
}

.slider .fa-moon {
  right: 8px;
  opacity: 0;
}

/* Toggle states */
input:checked + .slider {
  background-color: #2196f3;
}

input:checked + .slider:before {
  transform: translateX(26px);
}

input:checked + .slider .fa-sun {
  opacity: 0;
}

input:checked + .slider .fa-moon {
  opacity: 1;
}