* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
  font-family: "Arial", sans-serif;
  background-color: #101010;
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  text-align: center;
  background: #141414;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 400px;
}

h1 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: #ffffff;
}

form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

input { 
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 5px;
  background-color: #2c2c2c;
  color: #ffffff;
  font-size: 1rem;
}

button {
  width: 100%;
  padding: 12px;
  background-color: #ffffff;
  color: #000000;
  font-size: 1rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: #b6b6b6;
}

#result {
  font-size: 1rem;
  color: #ffffff;
  margin-top: 1rem;
}

@media (max-width: 480px) {
  .container {
    width: 80%;
    padding: 20px;
  }

  h1 {
    font-size: 1.5rem;
  }

  input,
  button {
    font-size: 0.9rem;
    padding: 10px;
  }

  #result {
    font-size: 0.9rem;
  }
}