* {
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", sans-serif;
  background: linear-gradient(135deg, #667eea, #764ba2);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.game {
  background: #ffffff;
  padding: 25px;
  width: 350px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

h2 {
  margin-bottom: 5px;
}

.range {
  color: #666;
  font-size: 14px;
}

input {
  width: 100%;
  padding: 10px;
  margin: 15px 0;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 15px;
}

button {
  width: 100%;
  padding: 10px;
  background: #667eea;
  border: none;
  border-radius: 6px;
  color: white;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background: #5a6fdc;
}

.message {
  margin: 10px 0;
  font-weight: 500;
}

.attempts {
  font-size: 14px;
  color: #333;
}

.restart {
  margin-top: 10px;
  background: #e74c3c;
}

.restart:hover {
  background: #d63c2c;
}