body {
    font-family: Arial, sans-serif;
    max-width: 900px;
    margin: 20px auto;
    background-color: #f5f5f5;
    color: #333333;
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}

.header-row h1 {
    flex: 1;
    text-align: center;
    margin: 0;
}

/* Zurück-Button */
.back-button {
    white-space: nowrap;
    padding: 8px 16px;
    background-color: #e6e6e6;
    border: 1px solid #999999;
    border-radius: 6px;
    color: #333333;
    text-decoration: none;
    font-size: 14px;
}

.back-button:hover {
    background-color: #dddddd;
}

/* Boxen & Inhalt */
h1 {
    text-align: center;
    margin-bottom: 25px;
}

.box {
    background-color: #ffffff;
    border: 1px solid #cccccc;
    padding: 15px;
    margin-bottom: 18px;
}

h2 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 18px;
}

label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

input[type="text"],
input[type="date"] {
    width: 100%;
    padding: 7px;
    margin-top: 3px;
    box-sizing: border-box;
    border: 1px solid #bbbbbb;
    background-color: #fafafa;
}

input[type="text"]:focus,
input[type="date"]:focus {
    background-color: #ffffff;
    border-color: #999999;
}

button {
    margin-top: 15px;
    padding: 7px 16px;
    background-color: #e6e6e6;
    border: 1px solid #999999;
    cursor: pointer;
}

button:hover {
    background-color: #dddddd;
}

/* Tabelle */
table {
    width: 100%;
    border-collapse: collapse;
    background-color: #ffffff;
    margin-top: 12px;
}

th {
    background-color: #eeeeee;
}

th, td {
    border: 1px solid #cccccc;
    padding: 7px;
    text-align: left;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* Links */
a {
    color: #003366;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Meldungen */
.meldung {
    padding: 10px;
    margin-bottom: 12px;
}

.fehler {
    background-color: #ffdddd;
    border: 1px solid #cc0000;
}

.info {
    background-color: #ddffdd;
    border: 1px solid #00aa00;
}

/* Filter */
.filter {
    background-color: #f0f0f0;
    padding: 12px;
    margin-bottom: 12px;
    border: 1px solid #cccccc;
}

/* Mobile Optimierung */
@media (max-width: 600px) {

    body {
        margin: 10px;
    }

    .header-row {
        flex-direction: column;
        gap: 15px;
    }

    .header-row h1 {
        text-align: center;
    }

    .back-button {
        align-self: center;
    }

    table {
        font-size: 14px;
    }
}