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

body {
    background: linear-gradient(135deg, #002752, #335275);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.login-box {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    width: 350px;
    text-align: center;
}

h2 {
    margin-bottom: 32px;
    color: #002752;
}

.input-group {
    position: relative;
    margin-bottom: 30px;
}

.input-group input {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 5px;
    outline: none;
    transition: 0.3s;
}

.input-group input:focus {
    border-color: #002752;
}

.input-group label {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 16px;
    color: #999;
    pointer-events: none;
    transition: 0.3s;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
    top: -22px;
    left: 10px;
    font-size: 18px;
    color: #002752;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #002752;
    border: none;
    border-radius: 5px;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}

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

.error-message {
    color: red;
    margin-top: 10px;
    display: none;
}