.elementor-30254 .elementor-element.elementor-element-20198afd{--display:flex;}.elementor-widget-text-editor{font-family:var( --e-global-typography-text-font-family ), Sans-serif;font-size:var( --e-global-typography-text-font-size );font-weight:var( --e-global-typography-text-font-weight );line-height:var( --e-global-typography-text-line-height );}.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:var( --e-global-color-primary );}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap, .elementor-widget-text-editor.elementor-drop-cap-view-default .elementor-drop-cap{color:var( --e-global-color-primary );border-color:var( --e-global-color-primary );}@media(max-width:1024px){.elementor-widget-text-editor{font-size:var( --e-global-typography-text-font-size );line-height:var( --e-global-typography-text-line-height );}}@media(max-width:767px){.elementor-widget-text-editor{font-size:var( --e-global-typography-text-font-size );line-height:var( --e-global-typography-text-line-height );}}/* Start custom CSS for text-editor, class: .elementor-element-6108f94 */* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
            line-height: 1.6;
            color: var(--text-primary);
            background-color: var(--bg-primary);
        }

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

        /* Header Styles */
        .course-header {
            background: var(--gradient-primary);
            color: white;
            padding: 40px 20px;
            text-align: center;
            border-radius: 12px;
            margin-bottom: 40px;
            box-shadow: var(--shadow);
        }

        .course-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .course-subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 20px;
        }

        .course-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* Chapter Styles */
        .chapter {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 40px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .chapter-header {
            background: var(--gradient-accent);
            color: white;
            padding: 25px 30px;
        }

        .chapter-number {
            font-size: 0.9rem;
            opacity: 0.9;
            margin-bottom: 5px;
        }

        .chapter-title {
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .chapter-content {
            padding: 30px;
        }

        /* Learning Objectives */
        .learning-objectives {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
        }

        .objectives-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 15px;
        }

        .objectives-list {
            list-style: none;
        }

        .objectives-list li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 8px;
        }

        .objectives-list li::before {
            content: '🎯';
            position: absolute;
            left: 0;
        }

        /* Content Sections */
        .content-section {
            margin: 30px 0;
        }

        .section-title {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent-color);
        }

        .subsection-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 20px 0 10px 0;
        }

        /* Callout Boxes */
        .callout {
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
            border-left: 4px solid;
        }

        .expert-insight {
            background: #eff6ff;
            border-left-color: var(--primary-color);
        }

        .common-mistake {
            background: #fef2f2;
            border-left-color: var(--error-color);
        }

        .quick-reference {
            background: #f0fdf4;
            border-left-color: var(--success-color);
        }

        .further-exploration {
            background: #fffbeb;
            border-left-color: var(--warning-color);
        }

        .callout-title {
            font-weight: 600;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .comparison-table th {
            background: var(--primary-color);
            color: white;
            padding: 15px;
            text-align: left;
            font-weight: 600;
        }

        .comparison-table td {
            padding: 12px 15px;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table tr:nth-child(even) {
            background: var(--bg-secondary);
        }

        /* Mathematical Formulas */
        .formula-box {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
            text-align: center;
            font-family: 'Courier New', monospace;
        }

        .formula {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .formula-description {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-family: inherit;
        }

        /* Code Blocks */
        .code-block {
            background: #1e293b;
            color: #e2e8f0;
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
            overflow-x: auto;
            font-family: 'Courier New', monospace;
        }

        /* SVG Diagrams Container */
        .diagram-container {
            text-align: center;
            margin: 30px 0;
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        .diagram-title {
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--primary-color);
        }

        /* Assessment Questions */
        .assessment {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 25px;
            margin: 30px 0;
        }

        .assessment-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .question {
            margin-bottom: 20px;
            padding: 15px;
            background: white;
            border-radius: 6px;
            border: 1px solid var(--border-color);
        }

        .question-number {
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 8px;
        }

        .answer {
            margin-top: 10px;
            padding: 10px;
            background: #f0fdf4;
            border-left: 3px solid var(--success-color);
            border-radius: 4px;
        }

        .answer-label {
            font-weight: 600;
            color: var(--success-color);
            margin-bottom: 5px;
        }

        /* Key Takeaways */
        .key-takeaways {
            background: var(--gradient-primary);
            color: white;
            padding: 25px;
            border-radius: 8px;
            margin: 30px 0;
        }

        .takeaways-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .takeaways-list {
            list-style: none;
        }

        .takeaways-list li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 10px;
        }

        .takeaways-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            font-weight: bold;
        }

        /* References */
        .references {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 8px;
            margin: 30px 0;
        }

        .references-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 15px;
        }

        .reference-item {
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }

        .reference-item::before {
            content: '📚';
            position: absolute;
            left: 0;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .course-container {
                padding: 15px;
            }

            .course-title {
                font-size: 2rem;
            }

            .course-meta {
                flex-direction: column;
                gap: 15px;
            }

            .chapter-content {
                padding: 20px;
            }

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

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

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

            .chapter-title {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1.2rem;
            }
        }

        /* Print Styles */
        @media print {
            .course-container {
                max-width: none;
                padding: 0;
            }

            .chapter {
                page-break-inside: avoid;
                box-shadow: none;
                border: 1px solid #000;
            }

            .course-header {
                background: none !important;
                color: black !important;
                border: 1px solid #000;
            }

            .chapter-header {
                background: none !important;
                color: black !important;
                border-bottom: 1px solid #000;
            }

            .callout {
                border: 1px solid #000;
                background: none !important;
            }
        }

        /* Interactive Elements */
        .interactive-demo {
            background: var(--bg-secondary);
            border: 2px dashed var(--primary-color);
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
            text-align: center;
        }

        .demo-placeholder {
            color: var(--text-secondary);
            font-style: italic;
        }

        /* Progress Indicators */
        .progress-indicator {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--bg-secondary);
            padding: 15px 20px;
            border-radius: 8px;
            margin: 20px 0;
        }

        .progress-step {
            flex: 1;
            text-align: center;
            position: relative;
        }

        .progress-step:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -50%;
            width: 100%;
            height: 2px;
            background: var(--border-color);
            transform: translateY(-50%);
        }

        .progress-step.active {
            color: var(--primary-color);
            font-weight: 600;
        }

        .progress-step.active::after {
            background: var(--primary-color);
        }/* End custom CSS */