body {
    font-family: Arial, sans-serif;
    background-color: #f4f6f8;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 20px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

h2, h3 {
    margin: 0;
    padding: 10px 0;
}

a.button, button {
    background-color: #007BFF;
    border: none;
    color: white;
    padding: 8px 14px;
    text-decoration: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

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

.card {
    background: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.login-wrapper {
    display: flex;
    height: 100vh;
    align-items: center;
    justify-content: center;
    background: #e9ecef;
}

.login-box {
    background: white;
    padding: 30px;
    border-radius: 10px;
    width: 320px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.login-box h2 {
    margin-bottom: 20px;
}

.login-box input[type="text"],
.login-box input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 12px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

.login-box button {
    width: 100%;
    background: #007BFF;
    color: white;
    padding: 10px;
    border: none;
    border-radius: 5px;
}

.kalender {
    border-collapse: collapse;
    width: 100%;
    table-layout: auto;
    overflow-x: auto;
}

.kalender th,
.kalender td {
    border: 1px solid #ccc;
    padding: 6px;
    text-align: center;
    vertical-align: top;
    word-wrap: break-word;
    overflow: hidden;
    white-space: nowrap;
    font-size: 11px;
}

.kalender td:first-child,
.kalender th:first-child {
    white-space: nowrap;
    text-align: left;
    background-color: #f7f7f7;
    font-weight: bold;
}

.kalender th {
    background-color: #f2f2f2;
}

.urlaubszelle {
    background-color: #a4ddac;
}
.urlauboffenzelle {
    background-color: #dff6e0;
}
.krankzelle {
    background-color: #f8d7da;
}
.freizelle {
    background-color: #d1ecf1;
}
.feiertag {
    background-color: #ececec;
    font-size: 10px;
    color: #444;
}

.logout-link {
    color: #dc3545;
    text-decoration: none;
    font-weight: bold;
}

@media screen and (max-width: 768px) {
    .kalender th, .kalender td {
        font-size: 9px;
        padding: 4px;
    }

    .container {
        padding: 10px;
    }

    .card {
        padding: 12px;
    }
}