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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            position: relative;
        }

        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><circle cx="7" cy="7" r="1"/><circle cx="37" cy="7" r="1"/><circle cx="52" cy="22" r="1"/><circle cx="22" cy="22" r="1"/><circle cx="7" cy="37" r="1"/><circle cx="37" cy="37" r="1"/><circle cx="52" cy="52" r="1"/><circle cx="22" cy="52" r="1"/></g></g></svg>') repeat;
            pointer-events: none;
        }

        .container {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 
                0 20px 60px rgba(0, 0, 0, 0.1),
                0 0 0 1px rgba(255, 255, 255, 0.2);
            width: 100%;
            max-width: 450px;
            position: relative;
            overflow: hidden;
            margin-bottom: 80px;
        }

        .container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #f5576c);
            background-size: 300% 100%;
            animation: gradient 3s ease infinite;
        }

        @keyframes gradient {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        .container h2 {
            text-align: center;
            color: #2c3e50;
            margin-bottom: 10px;
            font-size: 28px;
            font-weight: 700;
            background: linear-gradient(135deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .container p {
            text-align: center;
            color: #6c757d;
            margin-bottom: 30px;
            line-height: 1.5;
            font-size: 14px;
        }

        .form-group {
            margin-bottom: 25px;
            position: relative;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #2c3e50;
            font-weight: 600;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid #e9ecef;
            border-radius: 12px;
            font-size: 16px;
            color: #2c3e50;
            background: rgba(255, 255, 255, 0.8);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(10px);
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: #667eea;
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 
                0 0 0 3px rgba(102, 126, 234, 0.1),
                0 4px 12px rgba(102, 126, 234, 0.15);
            transform: translateY(-2px);
        }

        .form-group input::placeholder {
            color: #adb5bd;
            font-style: italic;
        }

        /* Spezielle Styles für verschiedene Input-Typen */
        .form-group input[name="latitude"],
        .form-group input[name="longitude"] {
            font-family: 'Courier New', monospace;
            background: linear-gradient(45deg, #f8f9fa, #ffffff);
        }

        .form-group select {
            cursor: pointer;
            background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTIiIGhlaWdodD0iOCIgdmlld0JveD0iMCAwIDEyIDgiIGZpbGw9Im5vbmUiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+CjxwYXRoIGQ9Ik0xIDFMNiA2TDExIDEiIHN0cm9rZT0iIzZjNzU3ZCIgc3Ryb2tlLXdpZHRoPSIyIiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiLz4KPC9zdmc+');
            background-repeat: no-repeat;
            background-position: right 20px center;
            padding-right: 50px;
            appearance: none;
        }

        .form-group select option {
            padding: 10px;
            background: white;
            color: #2c3e50;
        }

        .form-group button {
            width: 100%;
            padding: 18px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            color: white;
            border-radius: 12px;
            cursor: pointer;
            font-size: 18px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }

        .form-group button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }

        .form-group button:hover::before {
            left: 100%;
        }

        .form-group button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
        }

        .form-group button:active {
            transform: translateY(-1px);
        }

        /* Nachrichten */
        .success-message, .error-message {
            text-align: center;
            margin: 20px 0;
            padding: 15px 20px;
            border-radius: 12px;
            font-weight: 500;
            animation: slideIn 0.5s ease-out;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .success-message {
            background: linear-gradient(45deg, #d4edda, #c3e6cb);
            color: #155724;
            border: 2px solid #28a745;
            border-left: 5px solid #28a745;
        }

        .error-message {
            background: linear-gradient(45deg, #f8d7da, #f5c6cb);
            color: #721c24;
            border: 2px solid #dc3545;
            border-left: 5px solid #dc3545;
        }





    /* Moderne Navbar */
        .navbar {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 25px;
            padding: 15px 25px;
            box-shadow: 
                0 20px 40px rgba(0, 0, 0, 0.3),
                0 0 0 1px rgba(255, 255, 255, 0.05),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .navbar:hover {
            transform: translateX(-50%) translateY(-5px);
            box-shadow: 
                0 30px 60px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
        }

        .navbar-content {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            padding: 12px 20px;
            border-radius: 18px;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            display: flex;
            align-items: center;
            gap: 8px;
            overflow: hidden;
            white-space: nowrap;
        }

        /* Glow Effect */
        .navbar a::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, 
                rgba(102, 126, 234, 0.3) 0%, 
                rgba(118, 75, 162, 0.3) 50%,
                rgba(245, 87, 108, 0.3) 100%);
            opacity: 0;
            border-radius: 18px;
            transition: opacity 0.4s ease;
        }

        .navbar a:hover::before {
            opacity: 1;
        }

        .navbar a:hover {
            color: white;
            transform: translateY(-3px) scale(1.05);
            text-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
            box-shadow: 
                0 8px 25px rgba(102, 126, 234, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.2);
        }

        /* Active State */
        .navbar a.active {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            box-shadow: 
                0 6px 20px rgba(102, 126, 234, 0.5),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
        }

        .navbar a.active::before {
            display: none;
        }

        /* Separator */
        .navbar-separator {
            width: 1px;
            height: 30px;
            background: linear-gradient(to bottom, 
                transparent 0%, 
                rgba(255, 255, 255, 0.2) 50%, 
                transparent 100%);
            margin: 0 8px;
        }

        /* Brand/Logo Area */
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-right: 15px;
            padding-right: 15px;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .navbar-brand .logo {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: white;
            font-size: 16px;
        }

        .navbar-brand .title {
            color: white;
            font-weight: 600;
            font-size: 16px;
        }

        /* Floating Action Button Style für wichtige Links */
        .navbar a.fab {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            padding: 0;
            justify-content: center;
            font-size: 20px;
            margin-left: 10px;
        }

        .navbar a.fab:hover {
            transform: translateY(-3px) scale(1.1);
            box-shadow: 0 10px 30px rgba(245, 87, 108, 0.6);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .navbar {
                bottom: 10px;
                left: 10px;
                right: 10px;
                transform: none;
                border-radius: 20px;
                padding: 12px 15px;
            }

            .navbar:hover {
                transform: translateY(-3px);
            }

            .navbar-content {
                justify-content: space-between;
                gap: 4px;
            }

            .navbar a {
                padding: 10px 12px;
                font-size: 12px;
                flex: 1;
                justify-content: center;
            }

            .navbar a span.text {
                display: none;
            }

            .navbar-brand {
                display: none;
            }

            .navbar-separator {
                display: none;
            }

            .navbar a.fab {
                width: 40px;
                height: 40px;
                font-size: 16px;
                flex: none;
            }
        }

        /* Floating Animation */
        @keyframes float {
            0%, 100% { transform: translateX(-50%) translateY(0px); }
            50% { transform: translateX(-50%) translateY(-2px); }
        }

        .navbar {
            animation: float 3s ease-in-out infinite;
        }

        /* Ripple Effect */
        .navbar a {
            overflow: hidden;
        }

        .navbar a::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }

        .navbar a:active::after {
            width: 300px;
            height: 300px;
        }

        /* Notification Badge */
        .notification-badge {
            position: absolute;
            top: -5px;
            right: -5px;
            background: #ff4757;
            color: white;
            border-radius: 50%;
            width: 18px;
            height: 18px;
            font-size: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }
















        /* Responsive Design */
        @media (max-width: 768px) {
            .container {
                margin: 10px;
                padding: 30px 25px;
                max-width: 100%;
            }

            .navbar {
                flex-wrap: wrap;
                padding: 10px;
                text-align: center;
            }

            .navbar .center {
                flex-wrap: wrap;
                justify-content: center;
            }
        }

        /* Input Animation */
        .form-group {
            position: relative;
        }

        .form-group input:focus + .floating-label,
        .form-group input:not(:placeholder-shown) + .floating-label {
            transform: translateY(-25px) scale(0.8);
            color: #667eea;
        }

        /* Icon Vorschau für Select */
        .icon-preview {
            display: inline-block;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            margin-right: 10px;
            vertical-align: middle;
        }

        /* Loading Animation für Button */
        .form-group button.loading {
            pointer-events: none;
            background: #6c757d;
        }

        .form-group button.loading::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 20px;
            height: 20px;
            margin: -10px 0 0 -10px;
            border: 2px solid transparent;
            border-top: 2px solid white;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }