body {
  background-color: #333;
  height: 100vh;
}

.decode-box {
  max-width: 500px;
  margin: 40px auto;
  padding: 20px;
  background: #111;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  color: #fff;
}

.decode-box h2 {
  text-align: center;
  margin-bottom: 16px;
  font-weight: 600;
}

.decode-input {
  display: flex;
  gap: 10px;
}

.decode-input input {
  flex: 1;
  padding: 10px 12px;
  border-radius: 8px;
  border: none;
  outline: none;
  font-size: 14px;
  background: #1e1e1e;
  color: #fff;
}

.decode-input input::placeholder {
  color: #aaa;
}

.decode-input button {
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  background: #79a1f7;
  color: #000;
  font-weight: 600;
  transition: 0.2s;
}

.decode-input button:hover {
  background: #5f8cff;
}

.decode-result {
  margin-top: 15px;
  padding: 10px;
  background: #1e1e1e;
  border-radius: 8px;
  word-break: break-all;
  font-size: 14px;
}

.link {
  color: #79a1f7;
    font-size: 20px;
}