* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}

body {
  background: linear-gradient(black, rgba(20, 5, 5, 1));
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  color: #fff;
  margin-top: 1rem;
  perspective: 800px;
}

.lock-screen {
  background-color: #fff6f6;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  text-align: center;
  width: 300px;
}

.lock-screen h2 {
  margin-bottom: 20px;
  font-size: 24px;
  color: #333;
}

.lock-screen input {
  width: 100%;
  padding: 12px;
  margin-bottom: 10px;
  border: 2px solid #ccc;
  border-radius: 8px;
  font-size: 18px;
  outline: none;
}

.lock-screen button {
  width: 100%;
  padding: 12px;
  background-color: #4caf50;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.lock-screen button:hover {
  background-color: #45a049;
}

#error-message {
  color: red;
  margin-top: 10px;
  font-size: 14px;
}