body {
  font-family: Arial, sans-serif;
  background-color: #121212;
  color: #f1f1f1;
  margin: 0;
  padding: 0;
}

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

.header p {
  color: #bbb;
  font-size: 14px;
}

.container {
  width: 300px;
  margin: 20px auto;
  background-color: #1e1e1e;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.desc {
  font-size: 13px;
  color: #ccc;
  margin-bottom: 8px;
}

.desc2 {
  font-size: 13px;
  color: #aaa;
  margin-bottom: 15px;
  line-height: 1.4;
}

input {
  width: 100%;
  padding: 8px;
  margin: 6px 0;
  border: none;
  border-radius: 4px;
  background-color: #2a2a2a;
  color: white;
}

input:focus {
  outline: none;
  border: 1px solid #555;
}

button {
  width: 100%;
  padding: 8px;
  margin-top: 10px;
  background-color: #444;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

button:hover {
  background-color: #666;
}

#result {
  margin-top: 15px;
  font-weight: bold;
  color: #9ad1ff;
}

.footer {
  text-align: center;
  padding: 15px;
  font-size: 12px;
  color: #aaa;
}