/* Base styles for the calculator widget */
        #tree-age-calculator-widget {
            --primary-color: #2e8b57; /* Forest Green as default */
            --primary-hover: #246b43;
            --primary-light: #e8f5ee;
            --primary-gradient: linear-gradient(135deg, var(--primary-color), var(--primary-hover) 95%);
            --text-color: #333333;
            --bg-color: #ffffff;
            --secondary-bg: #f9f9f9;
            --border-color: #dddddd;
            --success-color: #4CAF50;
            --info-color: #2196F3;
            --transition-speed: 0.3s;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            max-width: 800px;
            margin: 2rem auto;
            line-height: 1.6;
            color: var(--text-color);
            position: relative;
            width: 100%;
            padding: 0 10px;
            box-sizing: border-box;
        }

        /* Theme options */
        #tree-age-calculator-widget[data-theme="red"] {
            --primary-color: #c70000;
            --primary-hover: #a30000;
            --primary-light: #ffeeee;
        }
        
        #tree-age-calculator-widget[data-theme="orange"] {
            --primary-color: #ff8c00;
            --primary-hover: #e67e00;
            --primary-light: #fff5e6;
        }

        #tree-age-calculator-widget[data-theme="yellow"] {
            --primary-color: #ffd700;
            --primary-hover: #e6c200;
            --primary-light: #fffde6;
        }

        #tree-age-calculator-widget[data-theme="green"] {
            --primary-color: #2e8b57;
            --primary-hover: #246b43;
            --primary-light: #e8f5ee;
        }

        #tree-age-calculator-widget[data-theme="blue"] {
            --primary-color: #1e90ff;
            --primary-hover: #0077ea;
            --primary-light: #e6f3ff;
        }

        #tree-age-calculator-widget[data-theme="indigo"] {
            --primary-color: #4b0082;
            --primary-hover: #380062;
            --primary-light: #ece6f5;
        }

        #tree-age-calculator-widget[data-theme="violet"] {
            --primary-color: #9400d3;
            --primary-hover: #7c00af;
            --primary-light: #f5e6ff;
        }

        #tree-age-calculator-widget[data-theme="grey"] {
            --primary-color: #666666;
            --primary-hover: #555555;
            --primary-light: #f2f2f2;
        }

        #tree-age-calculator-widget[data-theme="black"] {
            --primary-color: #222222;
            --primary-hover: #111111;
            --primary-light: #e6e6e6;
        }

        /* Basic reset */
        #tree-age-calculator-widget * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        /* Main calculator container */
        #tree-age-calculator-widget .calculator {
            background-color: var(--bg-color);
            border-radius: 12px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.1);
            padding: 2rem;
            margin-bottom: 2rem;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            border: 1px solid rgba(0, 0, 0, 0.05);
            overflow: hidden;
            position: relative;
            width: 100%;
        }
        
        /* Top accent bar */
        #tree-age-calculator-widget .calculator::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-gradient);
        }

        /* Title styling */
        #tree-age-calculator-widget h2 {
            color: var(--primary-color);
            margin-bottom: 1.2rem;
            font-size: 1.9rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            position: relative;
            display: inline-block;
        }
        
        /* Decorative underline */
        #tree-age-calculator-widget h2::after {
            content: "";
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 70px;
            height: 3px;
            background-color: var(--primary-color);
            border-radius: 3px;
        }

        /* Description text */
        #tree-age-calculator-widget .description {
            margin-bottom: 1.5rem;
            line-height: 1.5;
        }

        /* Input field groups */
        #tree-age-calculator-widget .input-group {
            margin-bottom: 1.5rem;
        }

        /* Input labels */
        #tree-age-calculator-widget label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }

        /* Input fields and select dropdowns */
        #tree-age-calculator-widget input[type="number"],
        #tree-age-calculator-widget select {
            width: 100%;
            padding: 0.85rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
            transition: all var(--transition-speed) ease;
            background-color: rgba(255, 255, 255, 0.9);
            box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
        }

        /* Hover state for inputs */
        #tree-age-calculator-widget input[type="number"]:hover,
        #tree-age-calculator-widget select:hover {
            border-color: #bbbbbb;
            background-color: rgba(255, 255, 255, 1);
        }

        /* Focus state for inputs */
        #tree-age-calculator-widget input[type="number"]:focus,
        #tree-age-calculator-widget select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.15);
            background-color: white;
            transform: translateY(-1px);
        }

        /* Tooltip container */
        #tree-age-calculator-widget .tooltip {
            position: relative;
            display: inline-block;
            margin-left: 0.5rem;
            cursor: help;
        }

        /* Tooltip icon */
        #tree-age-calculator-widget .tooltip-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 20px;
            height: 20px;
            background-color: var(--primary-color);
            color: white;
            font-size: 12px;
            font-weight: bold;
            border-radius: 50%;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
            cursor: help;
        }
        
        /* Tooltip hover effect */
        #tree-age-calculator-widget .tooltip:hover .tooltip-icon {
            transform: scale(1.15);
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
        }

        /* Tooltip text */
        #tree-age-calculator-widget .tooltip-text {
            visibility: hidden;
            width: 280px;
            background-color: #333;
            color: #fff;
            text-align: left;
            border-radius: 8px;
            padding: 12px 15px;
            position: absolute;
            z-index: 5;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%) scale(0.95);
            opacity: 0;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            font-size: 0.85rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.25);
            line-height: 1.5;
        }

        /* Tooltip pointer */
        #tree-age-calculator-widget .tooltip-text::after {
            content: "";
            position: absolute;
            top: 100%;
            left: 50%;
            margin-left: -5px;
            border-width: 5px;
            border-style: solid;
            border-color: #333 transparent transparent transparent;
        }

        /* Show tooltip on hover */
        #tree-age-calculator-widget .tooltip:hover .tooltip-text {
            visibility: visible;
            opacity: 1;
            transform: translateX(-50%) scale(1);
        }

        /* Button styling */
        #tree-age-calculator-widget .btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            padding: 0.85rem 1.8rem;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(46, 139, 87, 0.2);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            position: relative;
            overflow: hidden;
        }

        /* Button hover effects */
        #tree-age-calculator-widget .btn:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(46, 139, 87, 0.25);
        }

        /* Button active state */
        #tree-age-calculator-widget .btn:active {
            transform: translateY(1px);
            box-shadow: 0 2px 4px rgba(46, 139, 87, 0.2);
        }

        /* Results container */
        #tree-age-calculator-widget .results {
            display: none;
            margin-top: 2rem;
            padding: 1.8rem;
            background-color: var(--primary-light);
            border-radius: 10px;
            border-left: 4px solid var(--primary-color);
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            opacity: 0;
            transition: opacity 0.5s ease-out, transform 0.5s ease-out;
            transform: translateY(-10px);
        }
        
        /* Visible state for results */
        #tree-age-calculator-widget .results.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Results heading */
        #tree-age-calculator-widget .results h3 {
            margin-bottom: 1rem;
            color: var(--primary-color);
        }

        /* Main result value display */
        #tree-age-calculator-widget .result-value {
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 1rem;
        }

        /* Original units display */
        #tree-age-calculator-widget .original-units {
            font-size: 0.9rem;
            color: #777;
            margin-top: 0.25rem;
            font-weight: normal;
        }

        /* Secondary result display */
        #tree-age-calculator-widget .supplementary-result {
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }

        /* Result explanation */
        #tree-age-calculator-widget .result-explanation {
            font-size: 0.95rem;
            line-height: 1.5;
        }

        /* Embed section */
        #tree-age-calculator-widget .embed-section {
            margin-top: 2rem;
        }

        /* Embed toggle button */
        #tree-age-calculator-widget .embed-toggle {
            color: var(--primary-color);
            font-weight: 600;
            background: none;
            border: none;
            padding: 8px 12px;
            cursor: pointer;
            display: flex;
            align-items: center;
            font-size: 0.95rem;
            border-radius: 4px;
            transition: all 0.3s ease;
            width: 100%;
            text-align: left;
            word-break: normal;
            white-space: normal;
        }
        
        /* Embed toggle hover */
        #tree-age-calculator-widget .embed-toggle:hover {
            background-color: rgba(46, 139, 87, 0.05);
            transform: translateY(-1px);
        }

        /* Embed toggle icon */
        #tree-age-calculator-widget .embed-toggle svg {
            margin-right: 8px;
            transition: transform 0.4s ease;
        }

        /* Active embed toggle */
        #tree-age-calculator-widget .embed-toggle.active {
            background-color: rgba(46, 139, 87, 0.08);
        }
        
        /* Rotate arrow when active */
        #tree-age-calculator-widget .embed-toggle.active svg {
            transform: rotate(90deg);
        }

        /* Embed content container */
        #tree-age-calculator-widget .embed-content {
            display: none;
            margin-top: 1rem;
            padding: 1.5rem;
            background-color: var(--secondary-bg);
            border-radius: 8px;
        }

        /* Theme selector */
        #tree-age-calculator-widget .theme-selector {
            margin-bottom: 1rem;
        }

        /* Theme options container */
        #tree-age-calculator-widget .theme-options {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 0.5rem;
        }

        /* Individual theme option */
        #tree-age-calculator-widget .theme-option {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            cursor: pointer;
            border: 3px solid transparent;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        /* Theme option hover */
        #tree-age-calculator-widget .theme-option:hover {
            transform: scale(1.2) translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
        }

        /* Active theme */
        #tree-age-calculator-widget .theme-option.active {
            border-color: #fff;
            box-shadow: 0 0 0 2px #333, 0 4px 8px rgba(0, 0, 0, 0.2);
            transform: scale(1.15);
        }
        
        /* Active theme hover */
        #tree-age-calculator-widget .theme-option.active:hover {
            transform: scale(1.25) translateY(-2px);
        }

        /* Theme colors */
        #tree-age-calculator-widget .theme-red { background-color: #c70000; }
        #tree-age-calculator-widget .theme-orange { background-color: #ff8c00; }
        #tree-age-calculator-widget .theme-yellow { background-color: #ffd700; }
        #tree-age-calculator-widget .theme-green { background-color: #2e8b57; }
        #tree-age-calculator-widget .theme-blue { background-color: #1e90ff; }
        #tree-age-calculator-widget .theme-indigo { background-color: #4b0082; }
        #tree-age-calculator-widget .theme-violet { background-color: #9400d3; }
        #tree-age-calculator-widget .theme-grey { background-color: #666666; }
        #tree-age-calculator-widget .theme-black { background-color: #222222; }

        /* Embed code textarea */
        #tree-age-calculator-widget .embed-code {
            width: 100%;
            height: 100px;
            padding: 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-family: monospace;
            margin-bottom: 1rem;
            font-size: 0.85rem;
        }

        /* Copy button */
        #tree-age-calculator-widget .copy-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: background-color 0.3s;
        }

        /* Copy button hover */
        #tree-age-calculator-widget .copy-btn:hover {
            background-color: var(--primary-hover);
        }

        /* Copy feedback */
        #tree-age-calculator-widget .copy-feedback {
            display: none;
            margin-left: 1rem;
            color: var(--success-color);
            font-size: 0.9rem;
        }

        /* Calculation method toggle */
        #tree-age-calculator-widget .measurement-toggle {
            display: flex;
            margin-bottom: 1.8rem;
            border: 1px solid rgba(0, 0, 0, 0.1);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            padding: 3px;
            background: var(--secondary-bg);
            flex-wrap: wrap; /* Allow wrapping on narrow screens */
        }

        /* Toggle buttons */
        #tree-age-calculator-widget .measurement-toggle button {
            flex: 1;
            padding: 0.85rem 0.5rem; /* Reduced horizontal padding for mobile */
            background: transparent;
            border: none;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border-radius: 6px;
            position: relative;
            z-index: 1;
            color: #555;
            min-width: 110px; /* Ensure minimum width */
            font-size: 0.9rem; /* Slightly reduce font size */
            white-space: nowrap; /* Prevent text wrapping inside buttons */
        }
        
        /* Toggle button hover */
        #tree-age-calculator-widget .measurement-toggle button:hover:not(.active) {
            background-color: rgba(0, 0, 0, 0.05);
            color: #333;
        }

        /* Active toggle button */
        #tree-age-calculator-widget .measurement-toggle button.active {
            background-color: var(--primary-color);
            color: white;
            box-shadow: 0 2px 8px rgba(46, 139, 87, 0.2);
            transform: translateY(-1px);
        }

        /* Footer */
        #tree-age-calculator-widget footer {
            margin-top: 2.5rem;
            text-align: center;
            padding: 1rem 0;
            position: relative;
        }

        /* Footer line */
        #tree-age-calculator-widget footer::before {
            content: "";
            display: block;
            width: 80px;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
            margin: 0 auto 15px;
        }

        /* Info icon */
        #tree-age-calculator-widget .info-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: #f5f5f5;
            color: var(--primary-color);
            text-decoration: none;
            font-size: 14px;
            font-weight: bold;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }

        /* Info icon hover */
        #tree-age-calculator-widget .info-icon:hover {
            transform: translateY(-2px);
            box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
            background-color: var(--primary-light);
        }

        /* Input rows and columns layout */
        #tree-age-calculator-widget .input-row {
            display: flex;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        #tree-age-calculator-widget .input-col {
            flex: 1;
        }

        /* Calculation methods */
        #tree-age-calculator-widget .calculation-method {
            display: none;
        }

        #tree-age-calculator-widget .calculation-method.active {
            display: block;
        }

        /* FAQ Section */
        #tree-age-calculator-widget .faq-section {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
        }

        #tree-age-calculator-widget .faq-title {
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            color: var(--primary-color);
        }

        #tree-age-calculator-widget .faq-item {
            margin-bottom: 1.5rem;
        }

        #tree-age-calculator-widget .faq-question {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #444;
        }

        #tree-age-calculator-widget .faq-answer {
            font-size: 0.95rem;
            line-height: 1.5;
        }

        /* Responsive styles */
        @media (max-width: 768px) {
            #tree-age-calculator-widget .calculator {
                padding: 1.5rem;
            }

            #tree-age-calculator-widget h2 {
                font-size: 1.5rem;
            }
            
            #tree-age-calculator-widget .input-row {
                flex-direction: column;
                gap: 0.5rem;
            }
            
            #tree-age-calculator-widget .input-col {
                width: 100%;
            }
            
            #tree-age-calculator-widget .measurement-toggle {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 5px;
            }
            
            #tree-age-calculator-widget .measurement-toggle button {
                flex: 1 1 auto;
                min-width: 120px;
                margin: 2px;
                padding: 0.7rem 0.5rem;
                font-size: 0.85rem;
            }
            
            #tree-age-calculator-widget .tooltip-text {
                width: 220px;
                right: auto;
                left: 50%;
                transform: translateX(-50%) scale(0.95);
                position: fixed;
                max-width: 85vw; /* Ensure tooltip never exceeds 85% of viewport width */
            }
            
            #tree-age-calculator-widget .tooltip:hover .tooltip-text {
                transform: translateX(-50%) scale(1);
            }
            
            #tree-age-calculator-widget .tooltip-text::after {
                left: 50%;
                margin-left: -5px;
            }
            
            #tree-age-calculator-widget .tooltip {
                z-index: 10;
            }
            
            #tree-age-calculator-widget .tooltip-icon {
                z-index: 10;
            }
            
            /* Additional mobile optimizations */
            #tree-age-calculator-widget .btn {
                width: 100%;
                padding: 0.75rem 1rem;
                margin-top: 0.5rem;
            }
            
            #tree-age-calculator-widget .results {
                padding: 1.2rem;
            }
            
            #tree-age-calculator-widget .description {
                font-size: 0.95rem;
            }
            
            #tree-age-calculator-widget .faq-section {
                margin-top: 2rem;
            }
            
            #tree-age-calculator-widget .faq-title {
                font-size: 1.2rem;
            }
            
            #tree-age-calculator-widget input[type="number"],
            #tree-age-calculator-widget select {
                padding: 0.7rem 0.8rem;
                font-size: 0.95rem;
            }
        }
        
        /* Extra small devices */
        @media (max-width: 480px) {
            #tree-age-calculator-widget .calculator {
                padding: 1.2rem;
                border-radius: 8px;
            }
            
            #tree-age-calculator-widget h2 {
                font-size: 1.3rem;
            }
            
            #tree-age-calculator-widget .measurement-toggle button {
                min-width: 100%;
                margin-bottom: 5px;
            }
            
            #tree-age-calculator-widget .result-value {
                font-size: 1.3rem;
            }
            
            /* Tooltip positioning for extra small devices */
            #tree-age-calculator-widget .tooltip {
                position: static; /* Change to static to allow better tooltip positioning */
                display: inline-flex;
                margin-left: 0.3rem;
            }
            
            #tree-age-calculator-widget .tooltip-text {
                width: 200px;
                max-width: 80vw;
                bottom: auto;
                top: 50%;
                left: 50%;
                transform: translate(-50%, -50%) scale(0.95);
                position: fixed;
                z-index: 9999;
            }
            
            #tree-age-calculator-widget .tooltip:hover .tooltip-text {
                transform: translate(-50%, -50%) scale(1);
            }
            
            /* Remove the arrow for mobile to avoid positioning issues */
            #tree-age-calculator-widget .tooltip-text::after {
                display: none;
            }
        }
    
/* batch 47 (10/19): chart, species, how-to and tool-page blocks */
#tree-age-calculator-widget .gbm-h3{font-size:1.15rem;font-weight:700;color:#343434;margin:1.6rem 0 .3rem}
#tree-age-calculator-widget .gbm-table{margin:.6rem 0 1.2rem}
#tree-age-calculator-widget .gbm-table table{margin:0;font-size:.95rem}
#tree-age-calculator-widget .gbm-table th{color:#343434;text-transform:none;font-size:.9rem}
#tree-age-calculator-widget .gbm-table th,#tree-age-calculator-widget .gbm-table td{padding:.45rem .6rem;vertical-align:top}
#tree-age-calculator-widget .gbm-est{font-size:.8rem;color:#666;white-space:nowrap}
#tree-age-calculator-widget .gbm-num{white-space:nowrap}
#tree-age-calculator-widget .gbm-woods{color:#666}
#tree-age-calculator-widget .gbm-num .gbm-est{display:block}
#tree-age-calculator-widget .gbm-small{font-size:.9rem;color:#555;margin:.6rem 0 1.4rem}
#tree-age-calculator-widget .gbm-steps li{margin-bottom:.7rem}
#tree-age-calculator-widget .gbm-pro{background:var(--primary-light);border-top:4px solid var(--primary-color);border-radius:10px;padding:1.2rem 1.4rem 1.4rem;margin:2.5rem 0 1rem}
#tree-age-calculator-widget .gbm-pro-actions{display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;align-items:center;margin:1rem 0 0}
#tree-age-calculator-widget .gbm-pro-link{font-weight:700}
#tree-age-calculator-widget .gbm-related{font-size:.95rem;border-top:1px solid var(--border-color);padding-top:1.2rem;margin-top:1.5rem}
#tree-age-calculator-widget .gbm-sources ul{font-size:.92rem}
#tree-age-calculator-widget .gbm-sources li{overflow-wrap:anywhere}
#tree-age-calculator-widget [id]{scroll-margin-top:90px}
#tree-age-calculator-widget .faq-section > h2.faq-title{margin-top:2.6rem}
#tree-age-calculator-widget .faq-section > h2.faq-title:first-child{margin-top:0}
#tree-age-calculator-widget .gbm-who h2.faq-title,#tree-age-calculator-widget .gbm-pro h2.faq-title{margin-top:.4rem}
#tree-age-calculator-widget .gbm-byline{text-align:center;color:#666;font-size:.95rem;margin:-.4rem auto 1.6rem}
@media (max-width:480px){#tree-age-calculator-widget .gbm-table table{font-size:.82rem}#tree-age-calculator-widget .gbm-table th,#tree-age-calculator-widget .gbm-table td{padding:.4rem .25rem}#tree-age-calculator-widget .gbm-pro{padding:1rem}#tree-age-calculator-widget .gbm-pro .uk-button{width:100%;text-align:center}}