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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  background-color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);
  padding: 40px;
  width: 400px;
}

h1 {
  text-align: center;
  color: #333;
  margin-bottom: 30px;
}

.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #555;
}

input {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

button {
  width: 100%;
  background-color: #4A90E2;
  color: white;
  border: none;
  padding: 14px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #357ABD;
}