* {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
html {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}
body {
  margin: 0;
  padding: 40px 20px 20px 20px;
  font-family: Arial, sans-serif;
  background: linear-gradient(-45deg, #ffe066, #74c0fc, #f783ac, #ffe066);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
  color: #333;
  text-align: center;
  min-height: 100vh;
}
@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
header {
  margin-bottom: 20px;
}
h1 {
  margin: 0;
}
.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 20px 0;
}
button {
  padding: 10px 20px;
  font-size: 1rem;
  border: none;
  border-radius: 5px;
  background: #333;
  color: white;
  cursor: pointer;
}
button:hover {
  background: #555;
}
.content {
  position: relative;
  max-width: 600px;
  width: calc(100% - 40px);
  margin: 20px auto;
  background: white;
  padding: 15px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  text-align: center;
  z-index: 1;
  display: none;
}
.content.no-hide {
  display: block;
}
input, textarea {
  width: 90%;
  margin-bottom: 10px;
  padding: 8px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}
form {
  display: flex;
  flex-direction: column;
  align-items: center;
}
footer {
  margin-top: 40px;
  color: #666;
}
.language-switcher {
  position: absolute;
  top: 20px;
  right: calc(50% - 300px);
}
.language-switcher img {
  width: 24px;
  height: 24px;
  cursor: pointer;
  margin-left: 10px;
}

@media (max-width: 640px) {
  .language-switcher {
    position: fixed;
    top: 10px;
    right: 10px;
    z-index: 10;
  }
}