:root {
            --primary-color: #2c6e9b;
            --secondary-color: #3da58a;
            --accent-color: #ff6b6b;
            --light-bg: #f8f9fa;
            --dark-bg: #1e293b;
            --text-dark: #2d3748;
            --text-light: #f8f9fa;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: 'Roboto', sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f5f7fa;
            color: var(--text-dark);
            line-height: 1.6;
        }

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

        /* Sidebar Styles */
        .sidebar {
            width: 280px;
            background: linear-gradient(135deg, var(--primary-color), #1a4a6e);
            color: white;
            height: 100vh;
            position: fixed;
            overflow-y: auto;
            transition: all 0.3s ease;
            z-index: 1000;
        }

        .sidebar-header {
            display: flex;
            align-items: center;
            padding: 20px 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .sidebar-header a {
            display: flex;
            align-items: center;
            text-decoration: none;
            color: white;
        }

        .sidebar-header img {
            width: 40px;
            height: auto;
            margin-right: 10px;
        }

        .sidebar-header h3 {
            margin: 0;
            font-size: 1.3rem;
            font-weight: bold;
        }

        .sidebar-menu {
            list-style: none;
            padding: 15px 0;
            margin: 0;
        }

        .sidebar-menu li {
            margin: 5px 0;
        }

        .sidebar-menu a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            display: flex;
            align-items: center;
            padding: 12px 20px;
            border-radius: 4px;
            transition: all 0.3s;
            gap: 10px;
        }

        .sidebar-menu a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: white;
        }

        .sidebar-menu a i {
            width: 24px;
            text-align: center;
        }

        .menu-item .menu-link {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .menu-toggle {
            transition: transform 0.3s;
            font-size: 0.8rem;
        }

        .menu-toggle.rotated {
            transform: rotate(90deg);
        }

        .menu-dropdown {
            list-style: none;
            padding-left: 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .menu-dropdown.show {
            max-height: 1000px;
        }

        .menu-dropdown li a {
            padding: 8px 15px;
            font-size: 0.9rem;
        }

        .menu-dropdown li a i {
            font-size: 0.7rem;
        }

        /* Main Content Styles */
        .main-content {
            flex: 1;
            margin-left: 280px;
            background-color: var(--light-bg);
            transition: margin-left 0.3s ease;
        }

        .header {
            background: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 15px 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-left {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .header h1 {
            margin: 0;
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--primary-color);
        }

        .go-to-start-btn {
            background: var(--primary-color);
            color: white;
            border: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background 0.3s;
        }

        .go-to-start-btn:hover {
            background: #1a4a6e;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .search-container {
            position: relative;
            background: #f1f3f5;
            border-radius: 50px;
            padding: 8px 15px;
            display: flex;
            align-items: center;
            gap: 8px;
            width: 250px;
        }

        .search-container input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 0.9rem;
        }

        .search-results {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #7ea2bc;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            border-radius: 8px;
            margin-top: 5px;
            max-height: 300px;
            overflow-y: auto;
            display: none;
            z-index: 200;
        }

        .search-results.show {
            display: block;
        }

        .search-result-item {
            padding: 10px 15px;
            border-bottom: 1px solid #eee;
            cursor: pointer;
            transition: background 0.2s;
        }

        .search-result-item:hover {
            background: #4fc7ff;
        }

        .result-type {
            background: var(--primary-color);
            color: white;
            font-size: 0.7rem;
            padding: 2px 6px;
            border-radius: 4px;
            margin-right: 8px;
        }

        .result-name {
            font-weight: 500;
            color: #1f5379;
        }

        .result-context {
            font-size: 0.8rem;
            color: #6c757d;
            margin-top: 3px;
        }

        /* Button Styles */
        .btn {
            background-color: #007bff;
            border: none;
            color: white;
            padding: 10px 20px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
        }

        .btn-primary {
            background-color: #007bff;
        }

        .btn-secondary {
            background-color: #6c757d;
        }

        .btn-info {
            background-color: #17a2b8;
        }

        .btn-success {
            background-color: #28a745;
        }

        .btn-danger {
            background-color: #dc3545;
        }

        .btn-warning {
            background-color: #ffc107;
            color: #212529;
        }

        .mobile-search-btn,
        .mobile-menu-btn {
            background: transparent;
            border: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--text-dark);
            display: none;
        }

        .mobile-search-container {
            padding: 15px;
            background: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: absolute;
            top: 70px;
            left: 0;
            right: 0;
            z-index: 100;
            display: none;
        }

        .mobile-search-container.show {
            display: block;
        }

        /* Content Styles 25px*/
        .content {
            padding: 1px;
        }

        .section {
            background: white;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 30px;
            overflow: hidden;
            animation: fadeIn 0.5s ease-out;
        }

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

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .section-header {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 20px 25px;
        }

        .section-header h2 {
            margin: 0;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-body {
            padding: 25px;
        }

        .card {
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            margin-bottom: 20px;
            overflow: hidden;
            border: 1px solid #eaeaea;
        }

        .card-header {
            background: #f8f9fa;
            padding: 15px 20px;
            border-bottom: 1px solid #eaeaea;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .card-header h3 {
            margin: 0;
            font-size: 1.2rem;
        }

        .card-body {
            padding: 20px;
        }

        .badge {
            padding: 5px 10px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
        }

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

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

        .badge-info {
            background: #17a2b8;
            color: white;
        }

        .badge-warning {
            background: #ffc107;
            color: #212529;
        }

        /* Table Styles */
        .table-responsive {
            overflow-x: auto;
            margin-bottom: 1rem;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 600px;
        }

        .data-table th {
            background: #f1f5f9;
            padding: 12px 15px;
            text-align: left;
            font-weight: 600;
            color: var(--text-dark);
            border-bottom: 2px solid #e2e8f0;
        }

        .data-table td {
            padding: 12px 15px;
            border-bottom: 1px solid #edf2f7;
        }

        .data-table tr:hover td {
            background: #f8fafc;
        }

        .field-name {
            font-weight: 600;
            color: var(--primary-color);
        }

        .field-type {
            color: #e53e3e;
            font-family: 'Roboto Mono', monospace;
            font-size: 0.9rem;
        }

        .field-key {
            display: inline-block;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .PRI {
            background: #f0fff4;
            color: #38a169;
            border: 1px solid #c6f6d5;
        }

        .MUL {
            background: #ebf8ff;
            color: #3182ce;
            border: 1px solid #bee3f8;
        }

        .UNI {
            background: #fffaf0;
            color: #dd6b20;
            border: 1px solid #feebc8;
        }

        /* Tabs */
        .tabs {
            display: flex;
            border-bottom: 1px solid #e2e8f0;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .tab {
            padding: 10px 20px;
            cursor: pointer;
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-bottom: none;
            border-radius: 5px 5px 0 0;
            margin-right: 5px;
            font-size: 0.95rem;
            transition: all 0.3s;
            margin-bottom: -1px;
        }

        .tab.active {
            background: white;
            border-bottom: 1px solid white;
            font-weight: 500;
            color: var(--primary-color);
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
        }

        /* ER Diagram Styles */
        .erd-diagram {
            width: 100%;
            height: 600px;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            /*background: white;*/
            background: transparent;
            margin-top: 20px;
        }

        /* Category Sections */
        .category-section {
            margin-bottom: 40px;
        }

        .category-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 15px 20px;
            border-radius: 8px 8px 0 0;
            margin-bottom: 20px;
        }

        .category-header h3 {
            margin: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* Utility Classes */
        .mt-2 {
            margin-top: 0.5rem;
        }

        .mt-3 {
            margin-top: 1rem;
        }

        .mt-4 {
            margin-top: 1.5rem;
        }

        .mb-2 {
            margin-bottom: 0.5rem;
        }

        .mb-3 {
            margin-bottom: 1rem;
        }

        .mb-4 {
            margin-bottom: 1.5rem;
        }

        .mb-0 {
            margin-bottom: 0 !important;
        }

        .mr-2 {
            margin-right: 0.5rem;
        }

        .ml-2 {
            margin-left: 0.5rem;
        }

        .d-flex {
            display: flex;
        }

        .d-none {
            display: none;
        }

        .flex-wrap {
            flex-wrap: wrap;
        }

        .align-items-center {
            align-items: center;
        }

        .justify-content-between {
            justify-content: space-between;
        }

        .gap-2 {
            gap: 0.5rem;
        }

        .text-muted {
            color: #718096;
        }

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

        /* Dark Mode */
        .dark-mode {
            background-color: var(--dark-bg);
            color: var(--text-light);
        }

        .dark-mode .header,
        .dark-mode .card,
        .dark-mode .section,
        .dark-mode .section-body {
            background-color: #2d3748;
            color: var(--text-dark);
        }

        .dark-mode .card-header,
        .dark-mode .tabs {
            background-color: #1a202c;
            border-color: #2d3748;
        }

        .dark-mode .data-table th {
            background-color: #1a202c;
            border-color: #2d3748;
        }

        .dark-mode .data-table td {
            border-color: #2d3748;
        }

        .dark-mode .data-table tr:hover td {
            background-color: #2d3748;
        }

        .dark-mode .tab {
            background-color: #1a202c;
            border-color: #2d3748;
            color: var(--text-light);
        }

        .dark-mode .tab.active {
            background-color: #2d3748;
            color: white;
        }

        .dark-mode .search-container {
            background-color: #2d3748;
        }

        .dark-mode .search-container input {
            color: var(--text-light);
        }

        /* Responsive Design */
        @media (max-width: 1200px) {
            .sidebar {
                width: 250px;
            }

            .main-content {
                margin-left: 250px;
            }
        }

        @media (max-width: 992px) {
            .sidebar {
                transform: translateX(-100%);
                width: 280px;
            }

            .sidebar.show {
                transform: translateX(0);
            }

            .main-content {
                margin-left: 0;
            }

            .mobile-menu-btn,
            .mobile-search-btn {
                display: flex;
            }

            .header-left h1 {
                font-size: 1.2rem;
            }

            .search-container {
                display: flex;
                width: inherit;
            }
        }

        @media (max-width: 768px) {
            .header {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
                padding: 15px;
            }

            .header-right {
                width: 100%;
                justify-content: space-between;
            }

            .content {
                padding: 15px;
            }

            .section-body {
                padding: 15px;
            }

            .tabs {
                flex-direction: column;
            }

            .tab {
                margin-right: 0;
                margin-bottom: 5px;
                border-radius: 5px;
                border: 1px solid #e2e8f0;
            }

            .tab.active {
                border-radius: 5px 5px 0 0;
            }

            .erd-diagram {
                height: 400px;
            }

            .btn {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 576px) {
            .header h1 {
                font-size: 1.1rem;
            }

            .section-header h2 {
                font-size: 1.2rem;
            }

            .card-header h3 {
                font-size: 1.1rem;
            }

            .data-table {
                font-size: 0.85rem;
            }

            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
        }

        /* Theme Toggle */
        .theme-toggle {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
            z-index: 100;
            transition: all 0.3s ease;
        }

        .theme-toggle:hover {
            transform: scale(1.1);
        }

        /* Back to top button */
        .back-to-top {
            position: fixed;
            bottom: 80px;
            right: 20px;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--secondary-color);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
            z-index: 100;
            transition: all 0.3s ease;
            opacity: 0;
            visibility: hidden;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            transform: translateY(-3px);
        }

        /* Loading spinner */
        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255, 255, 255, .3);
            border-radius: 50%;
            border-top-color: #fff;
            animation: spin 1s ease-in-out infinite;
        }

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

        /* Print styles */
        @media print {

            .sidebar,
            .header,
            .theme-toggle,
            .back-to-top {
                display: none !important;
            }

            .main-content {
                margin-left: 0 !important;
            }

            .section {
                box-shadow: none;
                border: 1px solid #ddd;
            }
        }