body {
            font-family: Arial, sans-serif;
            background-color: grey;
            color: white;
            margin: 0;
            padding: 0;
            background: linear-gradient(0deg, rgba(11, 11, 11, 1) 3%, rgb(50, 47, 47) 50%, rgba(9, 9, 9, 1) 98%);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
        }

        .container {
            width: 90%;
            max-width: 800px;
            margin: 0 auto;
            border: 2px solid red;
            padding: 10px;
            box-sizing: border-box;
        }

        h1, h2 {
            text-align: center;
            line-height: 0%;
            --glow-color: rgba(123, 121, 121, 0.18);
            --glow-spread-color: rgba(117, 114, 114, 0);
            --enhanced-glow-color: rgb(215, 200, 230);
            --btn-color: rgb(198, 27, 27);
            border: .25em solid rgb(187, 37, 37);
            padding: 1em 3em;
            color: rgb(251, 251, 251);
            font-size: 22px;
            font-weight: bold;
            border-radius: 1em;
            outline: none;
            box-shadow: 0 0 1em .25em rgba(21, 21, 21, 0.09), 0 0 4em 1em rgba(96, 89, 89, 0.78), inset 0 0 .75em .25em rgba(9, 8, 8, 0.15);
            text-shadow: 0 0 .5em rgba(217, 10, 10, 0);
            position: relative;
            transition: all 0.3s;
            cursor: pointer;
            background: linear-Gradient(0deg, rgba(11,11,11,1) 3%, rgb(50, 47, 47) 50%, rgba(9,9,9,1) 98%);
        }        

        header {
            background-color: #444;
            padding: 15px;
            text-align: center;
            font-size: 24px;
            font-weight: bold;
            border-bottom: 2px solid red;
        }

        nav a {
            color: white;
            text-decoration: none;
            font-size: 18px;
            margin: 0 15px;
            transition: color 0.3s;
        }

        nav a:hover {
            color: red;
        }

        form {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 20px;
            background-color: black;
            padding: 20px;
            border-radius: 10px;
            width: 100%;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
            color: white;
        }

        input[type=text], input[type=date], input[type=time], textarea, select, input[type=color] {
            width: 100%;
            max-width: 400px;
            padding: 10px;
            margin: 5px 0 15px 0;
            border: none;
            border-radius: 5px;
            font-size: 16px;
            background-color: #444;
            color: white;
            border: 1px solid #555;
        }

        button {
            background-color: red;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            transition: background-color 0.3s ease;
            border: 1px solid darkred;
        }

        button:hover {
            background-color: darkred;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
            background-color: #444;
            border-radius: 10px;
            overflow: hidden;
        }

        th, td {
            padding: 10px;
            text-align: left;
            border-bottom: 1px solid #555;
        }

        th {
            background-color: #333;
            color: white;
            font-weight: bold;
        }

        tr:nth-child(even) {
            background-color: #555;
        }

        tr:hover {
            background-color: #666;
        }

        .success {
            color: green;
            text-align: center;
            margin-top: 20px;
        }

        .error {
            color: red;
            text-align: center;
            margin-top: 20px;
        }
        a {
            color: red;
        }

        /* Stil für den "Zum Dashboard"-Button */
        .dashboard-button {
            background-color: red;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 16px;
            transition: background-color 0.3s ease;
            border: 1px solid darkred;
            text-decoration: none;
            display: inline-block;
            margin: 10px 0;
        }

        .dashboard-button:hover {
            background-color: darkred;
        }