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

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f5f5f5;
}

.login-container {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

h1 {
    margin-bottom: 30px;
    font-size: 2rem;
    color: #333;
    font-weight: bold;
}

form {
    display: flex;
    flex-direction: column;
}

.input-group {
    position: relative;
    margin-bottom: 20px;
}

.input-group input {
    width: 100%;
    padding: 10px;
    font-size: 1rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    background: none;
    transition: 0.3s;
}

.input-group label {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 1rem;
    color: #aaa;
    transition: 0.3s;
}

.input-group input:focus {
    border-color: #007BFF;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
    top: -15px;
    font-size: 0.75rem;
    color: #007BFF;
}

button {
    background-color: #007BFF;
    color: white;
    padding: 10px;
    font-size: 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}