body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #eef2f6;
}

.logo {
    width: 150px;
    margin-bottom: 20px;
}

.centered, .header {
    text-align: center;
}

.title {
    font-size: 3rem;
    color: #1f4f91;
    margin-bottom: 2rem;
}

.login-box {
    background: #ffffff;
    border: 1px solid #ddd;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 300px;
    box-sizing: border-box;
}

.login-box input {
    width: calc(100% - 1.6rem);
    margin-bottom: 1.5rem;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
    box-sizing: border-box;
}

.login-box button {
    width: 100%;
    padding: 0.8rem;
    background-color: #1f4f91;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
}

.error {
    color: red;
    margin-bottom: 1rem;
    font-weight: bold;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    width: 80%;
    justify-content: center;
    margin-top: 2rem;
}

.button {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 1rem;
    background-color: #1f4f91;
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    text-align: center;
}

.button img {
    width: 40px;
    height: 40px;
    margin-bottom: 0.5rem;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.2);
}

.logout {
    text-decoration: none;
    color: #1f4f91;
    font-weight: bold;
    margin-top: 1rem;
}