* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scrollbar-color: #2d353a #0b0a11;
}

html {
  color-scheme: dark !important;
}

body {
  color: #f1f2f5;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #0b0a11;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.content {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 800px;
  padding: 0 20px;
  text-align: center;
  align-items: center;
}

.header {
  text-align: center;
  padding: 20px;
}

.header-text {
  font-size: 100px;
  margin: 0;
  padding: 0;
  line-height: 1.2;
  font-family: "Helvetica Rounded", Arial, sans-serif;
}

.header1 {
  color: #f1f2f5;
}

.header2 {
  color: #671aab;
}

.header-link {
  text-decoration: none;
  cursor: pointer;
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 600px;
  max-height: 100vh;
}

input[type="text"] {
  padding: 10px;
  font-size: 16px;
  border: 2px solid #af7ac5;
  border-radius: 4px;
  flex-grow: 1;
  background-color: #1a1824;
  color: #fff;
  margin-bottom: 20px;
  width: 100%;
}

input[type="checkbox"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border: 2px solid #af7ac5;
  border-radius: 4px;
  margin-right: 10px;
  position: relative;
  display: inline-block;
  vertical-align: middle;
  background-color: #1a1824;
}

input[type="checkbox"]:checked::before {
  content: "X";
  font-size: 12px;
  position: absolute;
  left: 2px;
  color: #fff;
}

input[type="checkbox"]:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(175, 122, 197, 0.4);
}

input[type="checkbox"]:hover::before {
  content: "To reduce resource usage, you can check this box to use the classic theme without visualizations.";
  position: absolute;
  top: -30px;
  left: -10px;
  background-color: #af7ac5;
  color: #fff;
  padding: 10px;
  border-radius: 5px;
  font-size: 12px;
  white-space: nowrap;
}

input[type="submit"] {
  padding: 17px 25px;
  font-size: 16px;
  background-color: #af7ac5;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 20px;
  box-shadow: 0px 0px 20px 0px #af7ac5;
}

input[type="submit"]:hover {
  background-color: #8763a5;
}

::-webkit-input-placeholder {
  /* Chrome/Opera/Safari */
  color: #666;
}

::-moz-placeholder {
  /* Firefox 19+ */
  color: #666;
}

:-ms-input-placeholder {
  /* IE 10+ */
  color: #666;
}

:-moz-placeholder {
  /* Firefox 18- */
  color: #666;
}

/* Mobile styles */
@media only screen and (max-width: 479px) {
  input[type="text"] {
    width: 90%;
  }
}

/* Landscape mobile styles */
@media only screen and (min-width: 480px) and (max-width: 767px) {
  input[type="text"] {
    width: 90%;
  }
}

/* Tablet styles */
@media only screen and (min-width: 768px) and (max-width: 1024px) {
  form {
    max-width: 800px;
  }
}

/* Landscape tablet styles */
@media only screen and (min-width: 1025px) and (max-width: 1279px) {
  form {
    max-width: 1024px;
  }
}

/* Desktop styles */
@media only screen and (min-width: 1280px) {
  form {
    max-width: 1200px;
  }
}