html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
}

/* Hintergrund auf allen Seiten */
body {
    background: url('background.jpg') center/cover no-repeat fixed;
    position: relative;
}

/* Overlay für bessere Lesbarkeit */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.25); /* 0.25 = leichter dunkler Filter */
    z-index: 0;
}

/* Inhalte über dem Overlay */
.container {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 40px auto;
    background: rgba(255, 255, 255, 0.95);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    text-align: center;
}

/* Eingabefelder */
label {
    display: block;
    text-align: left;
    margin-top: 10px;
}

input, textarea {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
}

/* Buttons */
button {
    margin-top: 12px;
    padding: 10px;
    width: 100%;
    border: none;
    border-radius: 6px;
    background: #007bff;
    color: white;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

/* Kleine Texte */
.small {
    font-size: 13px;
}

/* Mobile */
@media (max-width: 600px) {
    .container {
        margin: 20px;
        width: auto;
    }
}