body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Georgia', serif;
    color: #f0f0f0;
    background-color: #0e0e0e;
    overflow: hidden;
}

.background {
    background-image: url('../img/background.jpg');
    background-size: cover;
    background-position: center;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    filter: brightness(0.3);
    z-index: 0;
}

.overlay {
    position: relative;
    z-index: 1;
    text-align: center;
    top: 25%;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 0.3em;
}

p {
    font-size: 1.3em;
    margin-bottom: 2em;
}

.buttons a {
    display: inline-block;
    margin: 0.5em;
    padding: 0.75em 1.5em;
    color: #fff;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    text-decoration: none;
    transition: background 0.3s;
}

.buttons a:hover {
    background: rgba(255,255,255,0.25);
}

form {
    margin-top: 1em;
}

input[type="password"] {
    padding: 0.5em;
    font-size: 1em;
    border: none;
    border-radius: 5px;
    margin-bottom: 1em;
}

button {
    padding: 0.5em 1.2em;
    font-size: 1em;
    background: #444;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}