@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap");

* {
  box-sizing: border-box;
}

body {
  background-color: #686de0;
  font-family: "Roboto", sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
  padding: 20px;
}

.container {
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.1);
  padding: 50px 20px;
  text-align: center;
  max-width: 100%;
  width: 800px;
}

h3 {
  margin: 0;
  opacity: 0.5;
  letter-spacing: 2px;
}

.joke {
  font-size: 30px;
  letter-spacing: 1px;
  line-height: 40px;
  margin: 50px auto;
  max-width: 600px;
}

.btn {
  background-color: #9f68e0;
  color: #fff;
  border: 0;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1), 0 6px 6px rgba(0, 0, 0, 0.1);
  padding: 14px 40px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.3s;
}

.btn:hover {
  background-color: #8754c7;
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus {
  outline: 0;
}

@media (max-width: 768px) {
  .container {
    padding: 40px 15px;
    width: 90%;
  }

  .joke {
    font-size: 24px;
    line-height: 32px;
  }

  .btn {
    padding: 12px 30px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 30px 10px;
    width: 100%;
  }

  .joke {
    font-size: 20px;
    line-height: 28px;
  }

  .btn {
    padding: 10px 25px;
    font-size: 12px;
  }
}

/* Loading animation */
@keyframes loading {
  0% { content: "Loading"; }
  33% { content: "Loading."; }
  66% { content: "Loading.."; }
  100% { content: "Loading..."; }
}

.joke.loading::before {
  content: "Loading";
  animation: loading 1s infinite;
}