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

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #4facfe, #00f2fe);
}

/* NEU */
.login-box {
  display: flex;
  flex-direction: column;
  align-items: center;
}

h1 {
  margin-bottom: 20px;
  color: #333;
}

form {
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  width: 300px;
}

input {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border: 1px solid #ddd;
  border-radius: 8px;
  outline: none;
  transition: 0.2s;
}

input:focus {
  border-color: #4facfe;
  box-shadow: 0 0 5px rgba(79, 172, 254, 0.5);
}

button {
  width: 100%;
  padding: 12px;
  margin-top: 10px;
  border: none;
  border-radius: 8px;
  background: #4facfe;
  color: white;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s;
}

button:hover {
  background: #3b8dff;
  transform: translateY(-1px);
}

button:active {
  transform: scale(0.98);
}