/* Custom overrides for Ohm's Law calculator */
        .ohm-law-tabs {
            margin-bottom: var(--spacing-lg);
        }
        
        .ohm-inputs {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-md);
            margin: var(--spacing-lg) 0;
        }
        
        .ohm-result {
            text-align: center;
            margin: var(--spacing-lg) 0;
            padding: var(--spacing-lg);
            background-color: var(--background-primary);
            border-radius: var(--radius-md);
            border: 1px solid #e9ecef;
        }
        
        .ohm-value {
            font-size: var(--font-size-2xl);
            font-weight: bold;
            color: var(--accent-color);
            margin: var(--spacing-sm) 0;
        }
        
        .ohm-formula {
            background-color: var(--background-secondary);
            padding: var(--spacing-md);
            border-radius: var(--radius-md);
            margin: var(--spacing-md) 0;
            border-left: 4px solid var(--info-color);
        }
        
        .ohm-formula code {
            font-family: 'Courier New', monospace;
            background-color: var(--background-muted);
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--radius-sm);
        }
        
        @media (max-width: 768px) {
            .ohm-inputs {
                grid-template-columns: 1fr;
            }
        }
        
        .input-group input, .input-group select {
            /* Framework handles input styling */
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
            transition: border-color 0.3s;
        }

        .input-group input:focus, .input-group select:focus {
            outline: none;
            border-color: #667eea;
        }

        .button-group {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            flex: 1;
            min-width: 120px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }

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

        .btn-secondary:hover {
            background: #5a6268;
        }

        .result {
            margin-top: 20px;
            padding: 20px;
            background: white;
            border-radius: 10px;
            border-left: 4px solid #667eea;
            display: none;
        }

        .result.show {
            display: block;
        }

        .result h3 {
            color: #333;
            margin-bottom: 15px;
        }

        .result-value {
            font-size: 1.5em;
            font-weight: bold;
            color: #667eea;
            margin: 10px 0;
        }

        .formula {
            background: #e9ecef;
            padding: 15px;
            border-radius: 8px;
            font-family: 'Courier New', monospace;
            margin: 15px 0;
            border-left: 4px solid #667eea;
        }

        .error {
            color: #dc3545;
            background: #f8d7da;
            padding: 10px;
            border-radius: 5px;
            margin: 10px 0;
            display: none;
        }

        .info-box {
            background: #d1ecf1;
            border: 1px solid #bee5eb;
            color: #0c5460;
            padding: 15px;
            border-radius: 8px;
            margin: 15px 0;
        }

        .circuit-diagram {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            margin: 15px 0;
        }

        .circuit {
            width: 300px;
            height: 150px;
            margin: 20px auto;
            position: relative;
            border: 2px solid #333;
            border-radius: 10px;
            background: #fff;
        }

        .voltage-source {
            position: absolute;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            width: 40px;
            height: 60px;
            border: 2px solid #333;
            border-radius: 5px;
            background: #ffeb3b;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .resistor {
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            width: 60px;
            height: 20px;
            background: #d4af37;
            border-radius: 10px;
        }

        .wire {
            position: absolute;
            background: #333;
        }

        .wire.horizontal {
            height: 2px;
        }

        .wire.vertical {
            width: 2px;
        }

        .wire.top {
            top: 20px;
            left: 60px;
            right: 80px;
        }

        .wire.bottom {
            bottom: 20px;
            left: 60px;
            right: 80px;
        }

        .wire.left {
            left: 40px;
            top: 20px;
            bottom: 20px;
        }

        .wire.right {
            right: 40px;
            top: 20px;
            bottom: 20px;
        }

        .calculation-mode {
            background: #e3f2fd;
            border: 1px solid #bbdefb;
            padding: 15px;
            border-radius: 8px;
            margin: 15px 0;
        }

        .calculation-mode h4 {
            color: #1976d2;
            margin-bottom: 10px;
        }

        @media (max-width: 768px) {
            .header h1 {
                font-size: 2em;
            }
            
            .content {
                padding: 20px;
            }
            
            .button-group {
                flex-direction: column;
            }
            
            .btn {
                flex: none;
            }
            
            .circuit {
                width: 250px;
                height: 120px;
            }
        }

        /* Cross-linking styles */
        .cross-links-section {
            max-width: 1000px;
            margin: 40px auto 20px;
            background-color: #ffffff;
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            padding: 30px;
        }
        
        .cross-links-section h2 {
            text-align: center;
            color: #2c3e50;
            margin-bottom: 30px;
            font-size: 1.8em;
            border-bottom: 3px solid #3498db;
            padding-bottom: 15px;
        }
        
        .cross-link-category {
            margin-bottom: 30px;
        }
        
        .cross-link-category h3 {
            color: #2c3e50;
            margin-bottom: 15px;
            font-size: 1.3em;
            padding-left: 10px;
            border-left: 4px solid #3498db;
        }
        
        .cross-link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 15px;
        }
        
        .cross-link-card {
            display: block;
            text-decoration: none;
            color: #34495e;
            background: #f8f9fa;
            border: 2px solid #e9ecef;
            border-radius: 8px;
            padding: 15px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .cross-link-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(52, 152, 219, 0.15);
            border-color: #3498db;
            background: #e3f2fd;
            color: #2c3e50;
        }
        
        .cross-link-card span {
            font-weight: 500;
            display: block;
            line-height: 1.4;
        }
        
        .cross-link-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: #3498db;
            transform: scaleY(0);
            transition: transform 0.3s ease;
        }
        
        .cross-link-card:hover::before {
            transform: scaleY(1);
        }
        
        @media (max-width: 768px) {
            .cross-links-section {
                margin: 20px;
                padding: 20px;
            }
            
            .cross-link-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            
            .cross-link-card {
                padding: 12px;
            }
        }