:root {
            --primary-color: #2a9d8f;
            --primary-dark: #1d7874;
            --primary-light: #48cae4;
            --secondary-color: #e9c46a;
            --accent-color: #f4a261;
            --text-dark: #264653;
            --text-light: #6c757d;
            --bg-light: #f8f9fa;
            --white: #ffffff;
            --success: #28a745;
            --warning: #ffc107;
            --danger: #dc3545;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            background: var(--bg-light);
            color: var(--text-dark);
            min-height: 100vh;
        }

        .admin-container {
            display: flex;
            min-height: 100vh;
        }

        /* Sidebar Styles */
        .admin-sidebar {
            width: 280px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
            color: var(--white);
            padding: 2rem 0;
            position: fixed;
            height: 100vh;
            overflow-y: auto;
            transition: var(--transition);
            z-index: 1000;
        }

        .admin-brand {
            text-align: center;
            padding: 0 1.5rem 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 2rem;
        }

        .admin-brand .brand-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .admin-brand h1 {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
        }

        .admin-brand p {
            opacity: 0.8;
            font-size: 0.9rem;
        }

        .admin-nav {
            padding: 0 1.5rem;
        }

        .nav-section {
            margin-bottom: 2rem;
        }

        .nav-section h3 {
            font-size: 0.9rem;
            text-transform: uppercase;
            opacity: 0.7;
            margin-bottom: 1rem;
            letter-spacing: 1px;
        }

        .nav-links {
            list-style: none;
            padding: 0;
        }

        .nav-links li {
            margin-bottom: 0.5rem;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            padding: 0.75rem 1rem;
            color: var(--white);
            text-decoration: none;
            border-radius: 10px;
            transition: var(--transition);
            opacity: 0.8;
        }

        .nav-links a:hover,
        .nav-links a.active {
            background: rgba(255, 255, 255, 0.1);
            opacity: 1;
            transform: translateX(5px);
        }

        .nav-links a i {
            margin-right: 0.75rem;
            width: 20px;
            text-align: center;
        }

        /* Main Content Styles */
        .admin-main {
            flex: 1;
            padding: 2rem;
        }

        .admin-header {
            display: flex;
            justify-content: between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #e9ecef;
        }

        .admin-header h2 {
            font-family: 'Playfair Display', serif;
            color: var(--primary-dark);
            margin: 0;
        }

        .admin-actions {
            display: flex;
            gap: 1rem;
        }

        /* Form Styles */
        .form-container {
            background: var(--white);
            border-radius: 15px;
            box-shadow: var(--shadow);
            padding: 2rem;
            margin-bottom: 2rem;
        }

        .form-section {
            margin-bottom: 2rem;
        }

        .form-section:last-child {
            margin-bottom: 0;
        }

        .section-title {
            font-size: 1.2rem;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-light);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-label {
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
            display: block;
        }

        .form-control, .form-select {
            border-radius: 10px;
            padding: 0.75rem 1rem;
            border: 1px solid #e0e0e0;
            transition: var(--transition);
            width: 100%;
        }

        .form-control:focus, .form-select:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(42, 157, 143, 0.25);
        }

        .image-preview-container {
            margin-top: 1rem;
        }

        .image-preview {
            max-width: 300px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            display: none;
        }

        .image-preview img {
            width: 100%;
            height: auto;
            display: block;
        }

        .image-actions {
            margin-top: 0.5rem;
            display: flex;
            gap: 0.5rem;
        }

        /* Rich Text Editor Styles */
        .editor-container {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        /* Article List Styles */
        .articles-container {
            background: var(--white);
            border-radius: 15px;
            box-shadow: var(--shadow);
            padding: 2rem;
        }

        .articles-header {
            display: flex;
            justify-content: between;
            align-items: center;
            margin-bottom: 2rem;
        }

        .articles-table {
            width: 100%;
            border-collapse: collapse;
        }

        .articles-table th {
            background: var(--primary-light);
            color: var(--white);
            padding: 1rem;
            text-align: left;
            font-weight: 600;
        }

        .articles-table td {
            padding: 1rem;
            border-bottom: 1px solid #f0f0f0;
            vertical-align: middle;
        }

        .articles-table tr:hover {
            background: var(--bg-light);
        }

        .article-image {
            width: 60px;
            height: 60px;
            border-radius: 8px;
            object-fit: cover;
        }

        .article-title {
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 0.25rem;
        }

        .article-excerpt {
            color: var(--text-light);
            font-size: 0.9rem;
            display: -webkit-box;
            -line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-meta {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .article-actions {
            display: flex;
            gap: 0.5rem;
        }

        .btn-action {
            padding: 0.5rem;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .btn-edit {
            background: var(--warning);
            color: var(--text-dark);
        }

        .btn-delete {
            background: var(--danger);
            color: var(--white);
        }

        .btn-preview {
            background: var(--primary-color);
            color: var(--white);
        }

        .btn-action:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }

        /* Status Badges */
        .status-badge {
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .status-published {
            background: rgba(40, 167, 69, 0.1);
            color: var(--success);
        }

        .status-draft {
            background: rgba(255, 193, 7, 0.1);
            color: var(--warning);
        }

        /* Buttons */
        .btn {
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            font-weight: 500;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: var(--primary-color);
            color: var(--white);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(42, 157, 143, 0.3);
        }

        .btn-success {
            background: var(--success);
            color: var(--white);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
        }

        .btn-outline:hover {
            background: var(--primary-color);
            color: var(--white);
        }

        /* Modal Styles */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-content {
            background: var(--white);
            border-radius: 15px;
            padding: 2rem;
            max-width: 600px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
            transform: translateY(20px);
            transition: var(--transition);
        }

        .modal-overlay.active .modal-content {
            transform: translateY(0);
        }

        .modal-header {
            display: flex;
            justify-content: between;
            align-items: center;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #e9ecef;
        }

        .modal-title {
            font-family: 'Playfair Display', serif;
            color: var(--primary-dark);
            margin: 0;
        }

        .modal-close {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-light);
            transition: var(--transition);
        }

        .modal-close:hover {
            color: var(--danger);
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .admin-sidebar {
                width: 250px;
            }
            
            .admin-main {
                margin-left: 250px;
            }
        }

        @media (max-width: 768px) {
            .admin-container {
                flex-direction: column;
            }
            
            .admin-sidebar {
                width: 100%;
                height: auto;
                position: relative;
                padding: 1rem 0;
            }
            
            .admin-main {
                margin-left: 0;
                padding: 1rem;
            }
            
            .admin-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            
            .articles-table {
                display: block;
                overflow-x: auto;
            }
            
            .nav-links a {
                padding: 1rem;
            }
        }

        @media (max-width: 576px) {
            .form-container,
            .articles-container {
                padding: 1.5rem;
            }
            
            .admin-actions {
                flex-direction: column;
                width: 100%;
            }
            
            .admin-actions .btn {
                width: 100%;
            }
            
            .article-actions {
                flex-direction: column;
            }
        }

        /* Utility Classes */
        .text-center { text-align: center; }
        .text-right { text-align: right; }
        .mb-0 { margin-bottom: 0; }
        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mt-3 { margin-top: 1.5rem; }
        .d-none { display: none; }
        .d-flex { display: flex; }
        .justify-between { justify-content: space-between; }
        .align-center { align-items: center; }
        .w-100 { width: 100%; }

        /* Loading States */
        .loading {
            opacity: 0.7;
            pointer-events: none;
        }

        .spinner {
            width: 20px;
            height: 20px;
            border: 2px solid transparent;
            border-top: 2px solid var(--white);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }