:root {
            --primary-green: #5b8f22;
            --primary-dark: #363534;
            --secondary-blue: #91c0eb;
            --secondary-gray: #b9babe;
            --secondary-cream: #d9d1c3;
            --white: #ffffff;
            --text-dark: #2c2c2c;
            --shadow: 0 4px 20px rgba(0,0,0,0.1);
        }

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background: linear-gradient(135deg, var(--secondary-cream) 0%, var(--white) 50%, var(--secondary-blue) 100%);
            min-height: 100vh;
        }
		/* Header */
        .header {
            background: var(--primary-dark);
            color: var(--white);
            padding: 20px 0;
            box-shadow: var(--shadow);
        }

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

        .logo {
            font-size: 24px;
            font-weight: bold;
            color: var(--primary-green);
        }

        .version-badge {
            background: var(--primary-green);
            color: var(--white);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
        }

        /* Hero Section */
        .hero {
            padding: 40px 0;
            text-align: center;
            background: linear-gradient(135deg, var(--secondary-cream) 0%, var(--white) 100%);
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--primary-dark);
            font-weight: 700;
        }

        .hero .subtitle {
            font-size: 1.3rem;
            margin-bottom: 30px;
            color: var(--primary-green);
            font-weight: 500;
        }

        .hero .description {
            font-size: 1.1rem;
            /*margin-bottom: 40px;*/
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            color: var(--text-dark);
        }

        .cta-button {
            display: inline-block;
            background: var(--primary-green);
            color: var(--white);
            padding: 15px 30px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
        }

        .cta-button:hover {
            background: #4a7a1c;
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0,0,0,0.15);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        
        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            color: var(--primary-green);
            font-weight: 700;
        }

        .header p {
            color: var(--secondary-gray);
            font-size: 1.1rem;
        }

        /* Navigation */
        .nav-tabs {
            background: var(--white);
            padding: 40px 0;
            text-align: center;
        }

        .nav-container {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .nav-tab {
            background: var(--secondary-cream);
            color: var(--primary-dark);
            padding: 15px 30px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
        }

        .nav-tab.active {
            background: var(--primary-green);
            color: var(--white);
            transform: translateY(-2px);
        }

        .nav-tab:hover:not(.active) {
            background: var(--secondary-blue);
            transform: translateY(-2px);
        }

        /* Content Sections */
        .content-section {
            display: none;
            background: var(--white);
            border-radius: 12px;
            padding: 40px;
            margin: 30px 0;
            box-shadow: var(--shadow);
        }

        .content-section.active {
            display: block;
            animation: fadeIn 0.5s ease-in;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Update Cards */
        .update-card {
            background: var(--white);
            border-radius: 12px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--primary-green);
            transition: transform 0.3s ease;
        }

        .update-card:hover {
            transform: translateY(-5px);
        }

        .update-header {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-gray) 100%);
            color: var(--white);
            padding: 20px 30px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-radius: 8px 8px 0 0;
        }

        .update-header h3 {
            margin: 0;
            font-size: 1.3rem;
            font-weight: 600;
        }

        .update-date {
            font-size: 0.9rem;
            opacity: 0.9;
        }

        .update-content {
            padding: 30px;
            display: none;
        }

        .update-content.show {
            display: block;
        }

        .section {
            margin-bottom: 30px;
        }

        .section h4 {
            color: var(--primary-dark);
            margin-bottom: 15px;
            font-size: 1.3rem;
            font-weight: 600;
            border-bottom: 2px solid var(--primary-green);
            padding-bottom: 8px;
        }

        /* Tables */
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background: var(--white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .comparison-table th,
        .comparison-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid var(--secondary-cream);
        }

        .comparison-table th {
            background: var(--primary-green);
            color: var(--white);
            font-weight: 600;
        }

        .comparison-table tr:hover {
            background: var(--secondary-cream);
        }

        /* Forms */
        .admin-form {
            max-width: 800px;
            margin: 0 auto;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--primary-dark);
            font-size: 1rem;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--secondary-gray);
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border-color 0.3s ease;
            background: var(--white);
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px rgba(91, 143, 34, 0.1);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        /* Buttons */
        .btn {
            background: var(--primary-green);
            color: var(--white);
            padding: 15px 30px;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
            text-decoration: none;
            display: inline-block;
            margin: 5px;
        }

        .btn:hover {
            background: #4a7a1c;
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0,0,0,0.15);
        }

        .btn-secondary {
            background: var(--secondary-blue);
            color: var(--primary-dark);
        }

        .btn-secondary:hover {
            background: #7ab1df;
        }

        .btn-danger {
            background: #dc3545;
        }

        .btn-danger:hover {
            background: #c82333;
        }

        /* Section Titles */
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 40px;
            color: var(--primary-dark);
            font-weight: 700;
        }

        /* Export Options */
        .export-options {
            background: var(--secondary-cream);
            border: 1px solid var(--secondary-gray);
            border-radius: 12px;
            padding: 25px;
            margin: 25px 0;
            border-left: 4px solid var(--primary-green);
        }

        .export-options h4 {
            color: var(--primary-dark);
            margin-bottom: 15px;
            font-size: 1.2rem;
        }

        .checkbox-group {
            margin: 15px 0;
        }

        .checkbox-group input[type="checkbox"] {
            width: auto;
            margin-right: 10px;
        }

        .checkbox-group label {
            display: inline;
            font-weight: normal;
            color: var(--text-dark);
        }

        /* Empty State */
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            color: var(--secondary-gray);
            background: var(--secondary-cream);
            border-radius: 12px;
            margin: 20px 0;
        }

        .empty-state h3 {
            margin-bottom: 15px;
            color: var(--primary-dark);
            font-size: 1.5rem;
        }

        /* Instructions */
        .instructions {
            background: var(--secondary-cream);
            padding: 25px;
            border-radius: 12px;
            border-left: 4px solid var(--primary-green);
            margin: 20px 0;
        }

        .instructions p {
            margin-bottom: 10px;
        }

        .instructions ol,
        .instructions ul {
            margin: 15px 0;
            padding-left: 25px;
        }

        .instructions li {
            margin-bottom: 8px;
        }

        .instructions code {
            background: var(--secondary-blue);
            padding: 2px 6px;
            border-radius: 4px;
            font-family: 'Courier New', monospace;
            font-size: 0.9em;
        }

        /* Toggle Icons */
        .toggle-icon {
            transition: transform 0.3s ease;
            font-size: 1.2rem;
        }

        .toggle-icon.rotated {
            transform: rotate(180deg);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .header h1 {
                font-size: 2rem;
            }

            .header-content {
                text-align: center;
            }

            .nav-container {
                flex-direction: column;
                align-items: center;
            }

            .nav-tab {
                width: 100%;
                max-width: 300px;
            }

            .container {
                padding: 0 15px;
            }

            .content-section {
                padding: 25px;
                margin: 20px 0;
            }

            .admin-form {
                padding: 0;
            }

            .comparison-table {
                font-size: 0.9rem;
            }

            .comparison-table th,
            .comparison-table td {
                padding: 10px;
            }
        }

        @media (max-width: 480px) {
            .header h1 {
                font-size: 1.8rem;
            }

            .btn {
                width: 100%;
                margin: 5px 0;
            }

            .update-header {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
        }