@font-face {
            font-family: 'Roboto';
            src: url('https://lukasz.de/wp-content/themes/yootheme/fonts/roboto-38e055a6.woff2') format('woff2');
            font-weight: normal;
            font-style: normal;
        }

        body {
            font-family: 'Roboto', sans-serif;
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background: #f8f9fa url('https://lukasz.de/wp-content/uploads/yootheme/home-cta-01.svg') no-repeat center center fixed;
            background-size: cover;
        }
/* Navigation Styling */
.app-nav {
    position: fixed;
    top: 20px;
    width: 100%;
    display: flex;
    justify-content: center;
    z-index: 1000;
}

.nav-content {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(15px);
    padding: 10px 25px;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-title {
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #999;
    border-right: 1px solid #ddd;
    padding-right: 15px;
}

.nav-links {
    display: flex;
    gap: 15px;
}

.nav-item {
    text-decoration: none;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    transition: 0.3s;
    padding: 5px 10px;
    border-radius: 8px;
}

.nav-item:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #000;
}

.nav-item.active {
    background: #000;
    color: #fff;
}

/* Abstand für den Container anpassen, damit er nicht unter dem Menü klebt */
.container {
    margin-top: 80px;
}

/* Responsive Anpassung */
@media (max-width: 480px) {
    .nav-title { display: none; }
    .nav-content { padding: 8px 15px; }
}
        .container {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 20px 50px rgba(0,0,0,0.15);
            max-width: 450px;
            width: 90%;
            text-align: center;
        }

        .header-logo {
            width: 100px;
            margin-bottom: 20px;
        }

        h1 {
            font-weight: 300;
            font-size: 28px;
            margin-bottom: 30px;
            color: #222;
        }

        .form-group {
            text-align: left;
            margin-bottom: 15px;
        }

        label {
            display: block;
            font-size: 14px;
            margin-bottom: 5px;
            color: #666;
        }

        input[type="text"], input[type="password"], select {
            width: 100%;
            padding: 14px;
            border: 1px solid #e0e0e0;
            border-radius: 10px;
            font-size: 16px;
            box-sizing: border-box;
        }

        .checkbox-container {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            gap: 10px;
            margin: 20px 0;
            font-size: 14px;
            cursor: pointer;
        }

        .btn-main {
            width: 100%;
            padding: 16px;
            background: #000;
            color: #fff;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: 0.3s;
        }

        .btn-main:hover { background: #333; }

        #qrcode {
            margin: 30px auto;
            padding: 15px;
            background: #fff;
            border: 1px solid #eee;
            width: fit-content;
            display: none;
        }

        .action-buttons {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-top: 20px;
            display: none;
        }

        .btn-outline {
            padding: 12px;
            background: transparent;
            border: 1px solid #000;
            color: #000;
            border-radius: 10px;
            cursor: pointer;
            font-size: 14px;
        }


        .result-box {
            background: #f4f4f4;
            padding: 15px;
            border-radius: 12px;
            font-family: 'Courier New', monospace;
            font-size: 20px;
            letter-spacing: 2px;
            word-break: break-all;
            margin-bottom: 20px;
            border: 1px solid #ddd;
            position: relative;
            cursor: pointer;
        }

        .result-box:hover::after {
            content: "Klicken zum Kopieren";
            position: absolute;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 10px;
            color: #888;
            font-family: 'Roboto', sans-serif;
            letter-spacing: 0;
        }

        .setting-group { text-align: left; margin-bottom: 15px; }
        label { display: flex; justify-content: space-between; font-size: 14px; color: #666; margin-bottom: 5px; }
        
        input[type="range"] { width: 100%; accent-color: #000; cursor: pointer; }

        .checkbox-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin: 20px 0;
            text-align: left;
        }

        .check-item { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }

        .btn-main {
            width: 100%;
            padding: 16px;
            background: #000;
            color: #fff;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: 0.3s;
        }

        .btn-main:hover { background: #333; transform: translateY(-2px); }

        .strength-meter {
            height: 4px;
            width: 100%;
            background: #eee;
            margin-top: 10px;
            border-radius: 2px;
            overflow: hidden;
        }

        #strength-bar { height: 100%; width: 0%; transition: 0.5s; }

        /* Import Bereich */
        .import-section { background: #f1f1f1; border: 2px dashed #ccc; border-radius: 15px; padding: 20px; text-align: center; margin-bottom: 30px; cursor: pointer; transition: 0.2s; }
        .import-section:hover { background: #e9e9e9; border-color: #000; }

        .tree-root { text-align: left; background: #fff; padding: 20px; border-radius: 15px; border: 1px solid #eee; margin-bottom: 30px; }
        .node { margin-bottom: 8px; padding: 10px; border-radius: 10px; background: white; border: 1px solid #eee; }
        .node.folder { border-left: 5px solid #000; background: #fafafa; }
        .node-content { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
        
        input { padding: 8px; border: 1px solid #ddd; border-radius: 6px; font-size: 13px; }
        .btn-small { padding: 6px 10px; font-size: 11px; cursor: pointer; border-radius: 6px; border: 1px solid #ccc; background: white; }

        /* Output Grid Fix */
        .output-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; width: 100%; }
        .code-box { display: flex; flex-direction: column; min-width: 0; position: relative; }
        .copy-btn { position: absolute; top: 32px; right: 10px; background: #000; color: #fff; border: none; padding: 4px 8px; border-radius: 4px; font-size: 10px; cursor: pointer; opacity: 0.8; }
        .copy-btn:hover { opacity: 1; }
        
        pre { 
            background: #1a1a1a; color: #d4d4d4; padding: 15px; border-radius: 12px; font-size: 11px; 
            height: 350px; overflow: auto; margin-top: 5px; border: 1px solid #333; white-space: pre; text-align:left; 
        }
        
        .download-btn { width: 100%; margin-top: 10px; padding: 12px; background: #fff; border: 1px solid #000; border-radius: 8px; cursor: pointer; font-weight: bold; }
        .download-btn:hover { background: #f0f0f0; }

        .children { margin-left: 20px; padding: 5px; border-left: 1px dashed #ddd; }