* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0D1117;
    color: #c9d1d9;
    line-height: 1.6;
}

header {
    text-align: center;
    padding: 20px;
    background-color: #161b22;
    border-bottom: 2px solid #30363d;
}

h1, h2, h3 {
    color: #58a6ff;
}

main {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
}

section {
    margin-bottom: 40px;
}

h2, h3 {
    color: #c9d1d9;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #30363d;
}

th {
    background-color: #161b22;
}

a {
    color: #58a6ff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button {
    background-color: #238636;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
}

button:disabled {
    background-color: #30363d;
    cursor: not-allowed;
}

button:hover:enabled {
    background-color: #2ea043;
}

.upload-btn {
    background-color: #238636;
    color: #fff;
    padding: 10px 20px;
    border-radius: 8px;
    display: inline-block;
    margin-top: 20px;
}

.upload-btn:hover {
    background-color: #2ea043;
}

/* Custom Datei-Upload */
.custom-file-upload {
    background-color: #21262d;
    border: 2px dashed #58a6ff;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 20px;
}

.custom-file-upload label {
    cursor: pointer;
    color: #58a6ff;
    font-weight: bold;
}

#fileNameDisplay {
    display: block;
    margin-top: 10px;
    color: #c9d1d9;
}

form {
    background-color: #161b22;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    margin: 20px auto;
}

.form-group {
    margin-bottom: 20px;
}

label {
    color: #c9d1d9;
    font-size: 16px;
    display: block;
    margin-bottom: 8px;
}

input[type="text"], input[type="file"] {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #30363d;
    background-color: #0d1117;
    color: #c9d1d9;
}

input[type="text"]:focus, input[type="file"]:focus {
    outline: none;
    border-color: #58a6ff;
}

.upload-icon {
    width: 24px;
    height: 24px;
    vertical-align: middle;
    margin-left: 10px;
}

footer {
    text-align: center;
    margin-top: 40px;
}

footer a {
    color: #58a6ff;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.btn {
    display: inline-block;
    background-color: #238636;
    color: #ffffff;
    border: none;
    padding: 8px 20px;
    border-radius: 6px;
    text-align: center;
    cursor: pointer;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s ease;
}

.btn:hover {
    background-color: #2ea043;
}

.btn-danger {
    background-color: #da3633;
}

.btn-danger:hover {
    background-color: #f85149;
}

.btn-primary {
    background-color: #0d1117;
    border: 1px solid #30363d;
}

.btn-primary:hover {
    background-color: #161b22;
}

.inline-form {
    display: inline;
    margin-left: 5px;
}