/* 
 * Universal Calculator Styles - Extended Version
 * Comprehensive CSS framework for all CalmyTime calculator pages
 * Includes unique class prefixes for each calculator to prevent conflicts
 * Version: 2.0 - Extended for additional calculators
 */

/* ==========================================================================
   COUNTDOWN TIMER STYLES (ctimer- prefix)
   ========================================================================== */

/* CSS Variables for Consistent Theming */
        :root {
            --cdtimer-light-gray: #f8f9fa;
            --cdtimer-vibrant-red: #dc3545;
            --cdtimer-slate-gray: #333333;
            --cdtimer-productive-green: #28a745;
            --cdtimer-urgent-orange: #fd7e14;
            --cdtimer-shadow-red: rgba(220, 53, 69, 0.15);
            --cdtimer-font-primary: 'Montserrat', sans-serif;
            --cdtimer-font-secondary: 'Lora', serif;
            --cdtimer-border-radius: 12px;
            --cdtimer-transition: all 0.3s ease;
        }

        /* Reset and Base Styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: var(--cdtimer-font-primary);
            line-height: 1.6;
            color: var(--cdtimer-slate-gray);
            background-color: var(--cdtimer-light-gray);
        }

        /* Main Container */
        .cdtimer-main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        /* Header Section */
        .cdtimer-header {
            text-align: center;
            margin-bottom: 40px;
            padding: 40px 20px;
            background: linear-gradient(135deg, var(--cdtimer-vibrant-red), #b02a37);
            color: white;
            border-radius: var(--cdtimer-border-radius);
            box-shadow: 0 8px 25px rgba(220, 53, 69, 0.3);
        }

        .cdtimer-main-title {
            font-family: var(--cdtimer-font-secondary);
            font-size: 2.5rem;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .cdtimer-subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Timer Tool Section */
        .cdtimer-tool-section {
            background: white;
            padding: 40px;
            border-radius: var(--cdtimer-border-radius);
            box-shadow: 0 5px 20px var(--cdtimer-shadow-red);
            margin-bottom: 40px;
            border: 2px solid var(--cdtimer-vibrant-red);
        }

        .cdtimer-tool-title {
            font-family: var(--cdtimer-font-secondary);
            font-size: 2rem;
            color: var(--cdtimer-vibrant-red);
            text-align: center;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        /* Timer Setup Form */
        .cdtimer-setup-form {
            background: var(--cdtimer-light-gray);
            padding: 30px;
            border-radius: var(--cdtimer-border-radius);
            margin-bottom: 30px;
        }

        .cdtimer-form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .cdtimer-input-group {
            display: flex;
            flex-direction: column;
        }

        .cdtimer-label {
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--cdtimer-slate-gray);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .cdtimer-input,
        .cdtimer-select {
            padding: 12px 15px;
            border: 2px solid #e9ecef;
            border-radius: var(--cdtimer-border-radius);
            font-size: 1rem;
            transition: var(--cdtimer-transition);
            font-family: var(--cdtimer-font-primary);
        }

        .cdtimer-input:focus,
        .cdtimer-select:focus {
            outline: none;
            border-color: var(--cdtimer-vibrant-red);
            box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
        }

        /* Timer Display */
        .cdtimer-display {
            background: linear-gradient(135deg, #2c3e50, #34495e);
            color: white;
            padding: 40px;
            border-radius: var(--cdtimer-border-radius);
            text-align: center;
            margin-bottom: 30px;
            display: none;
        }

        .cdtimer-display.active {
            display: block;
            animation: fadeInUp 0.5s ease;
        }

        .cdtimer-event-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 20px;
            color: #ecf0f1;
        }

        .cdtimer-countdown-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .cdtimer-time-unit {
            background: rgba(255, 255, 255, 0.1);
            padding: 20px;
            border-radius: var(--cdtimer-border-radius);
            backdrop-filter: blur(10px);
        }

        .cdtimer-time-value {
            font-size: 2.5rem;
            font-weight: 700;
            font-family: 'Courier New', monospace;
            color: var(--cdtimer-urgent-orange);
            display: block;
        }

        .cdtimer-time-label {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #bdc3c7;
            margin-top: 5px;
        }

        .cdtimer-progress-bar {
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 20px;
        }

        .cdtimer-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--cdtimer-urgent-orange), var(--cdtimer-vibrant-red));
            width: 0%;
            transition: width 1s ease;
        }

        .cdtimer-status-message {
            font-size: 1.1rem;
            font-weight: 500;
            color: #ecf0f1;
        }

        /* Button Styles */
        .cdtimer-button-group {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cdtimer-btn {
            padding: 12px 30px;
            border: none;
            border-radius: var(--cdtimer-border-radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--cdtimer-transition);
            font-family: var(--cdtimer-font-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .cdtimer-btn-primary:hover {
            background: #b02a37;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(220, 53, 69, 0.3);
        }

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

        .cdtimer-btn-secondary:hover {
            background: #545b62;
            transform: translateY(-2px);
        }

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

        .cdtimer-btn-success:hover {
            background: #1e7e34;
            transform: translateY(-2px);
        }

        /* Content Sections */
        .cdtimer-content-section {
            background: white;
            padding: 40px;
            border-radius: var(--cdtimer-border-radius);
            box-shadow: 0 5px 20px var(--cdtimer-shadow-red);
            margin-bottom: 30px;
        }

        .cdtimer-section-title {
            font-family: var(--cdtimer-font-secondary);
            font-size: 1.8rem;
            color: var(--cdtimer-vibrant-red);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .cdtimer-paragraph {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 20px;
            color: var(--cdtimer-slate-gray);
        }

        /* Lists */
        .cdtimer-list {
            list-style: none;
            padding: 0;
        }

        .cdtimer-list-item {
            padding: 10px 0;
            padding-left: 30px;
            position: relative;
            font-size: 1.1rem;
            line-height: 1.6;
        }

        .cdtimer-list-item::before {
            content: "\f058";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--cdtimer-productive-green);
            font-size: 1.2rem;
        }

        /* Tables */
        .cdtimer-table-wrapper {
            overflow-x: auto;
            margin: 20px 0;
        }

        .cdtimer-table {
            width: 100%;
            border-collapse: collapse;
            background: white;
            border-radius: var(--cdtimer-border-radius);
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .cdtimer-table th,
        .cdtimer-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #e9ecef;
        }

        .cdtimer-table th {
            background: var(--cdtimer-vibrant-red);
            color: white;
            font-weight: 600;
        }

        .cdtimer-table tr:hover {
            background: var(--cdtimer-light-gray);
        }

        /* FAQ Section */
        .cdtimer-faq-item {
            background: var(--cdtimer-light-gray);
            border-radius: var(--cdtimer-border-radius);
            margin-bottom: 15px;
            overflow: hidden;
            border-left: 4px solid var(--cdtimer-productive-green);
        }

        .cdtimer-faq-question {
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--cdtimer-vibrant-red);
            transition: var(--cdtimer-transition);
        }

        .cdtimer-faq-question:hover {
            background: #e9ecef;
        }

        .cdtimer-faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .cdtimer-faq-item.active .cdtimer-faq-answer {
            max-height: 200px;
            padding: 20px;
        }

        .cdtimer-faq-icon {
            transition: transform 0.3s ease;
        }

        .cdtimer-faq-item.active .cdtimer-faq-icon {
            transform: rotate(180deg);
        }

        /* Example Boxes */
        .cdtimer-example-box {
            background: linear-gradient(135deg, #fff3cd, #ffeaa7);
            padding: 25px;
            border-radius: var(--cdtimer-border-radius);
            margin: 20px 0;
            border-left: 5px solid var(--cdtimer-urgent-orange);
        }

        .cdtimer-tip-box {
            background: linear-gradient(135deg, #d1ecf1, #bee5eb);
            padding: 25px;
            border-radius: var(--cdtimer-border-radius);
            margin: 20px 0;
            border-left: 5px solid #17a2b8;
        }

        /* Internal Links */
        .cdtimer-internal-links {
            background: var(--cdtimer-light-gray);
            padding: 30px;
            border-radius: var(--cdtimer-border-radius);
            margin-top: 30px;
        }

        .cdtimer-link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }

        .cdtimer-link-item {
            background: white;
            padding: 20px;
            border-radius: var(--cdtimer-border-radius);
            text-decoration: none;
            color: var(--cdtimer-slate-gray);
            transition: var(--cdtimer-transition);
            border: 2px solid transparent;
        }

        .cdtimer-link-item:hover {
            border-color: var(--cdtimer-vibrant-red);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px var(--cdtimer-shadow-red);
            text-decoration: none;
            color: var(--cdtimer-vibrant-red);
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }

        .cdtimer-pulse {
            animation: pulse 2s infinite;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .cdtimer-main-title {
                font-size: 2rem;
            }
            
            .cdtimer-tool-section,
            .cdtimer-content-section {
                padding: 25px;
            }
            
            .cdtimer-form-grid {
                grid-template-columns: 1fr;
            }
            
            .cdtimer-countdown-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .cdtimer-button-group {
                flex-direction: column;
                align-items: center;
            }
            
            .cdtimer-btn {
                width: 100%;
                max-width: 300px;
            }
        }

        @media (max-width: 480px) {
            .cdtimer-main-container {
                padding: 10px;
            }
            
            .cdtimer-header {
                padding: 30px 15px;
            }
            
            .cdtimer-main-title {
                font-size: 1.8rem;
            }
            
            .cdtimer-tool-section,
            .cdtimer-content-section {
                padding: 20px;
            }
            
            .cdtimer-countdown-grid {
                grid-template-columns: 1fr;
            }
            
            .cdtimer-time-value {
                font-size: 2rem;
            }
        }

/* ==========================================================================
   DATE DURATION CALCULATOR STYLES (ddcalc- prefix)
   ========================================================================== */

 /* CSS Variables for Consistent Theming */
        :root {
            --ddcalc-light-gray: #f8f9fa;
            --ddcalc-deep-purple: #6f42c1;
            --ddcalc-slate-gray: #333333;
            --ddcalc-productive-green: #28a745;
            --ddcalc-analytical-teal: #20c997;
            --ddcalc-shadow-purple: rgba(111, 66, 193, 0.15);
            --ddcalc-font-primary: 'Montserrat', sans-serif;
            --ddcalc-font-secondary: 'Lora', serif;
            --ddcalc-border-radius: 12px;
            --ddcalc-transition: all 0.3s ease;
        }

        /* Reset and Base Styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: var(--ddcalc-font-primary);
            line-height: 1.6;
            color: var(--ddcalc-slate-gray);
            background-color: var(--ddcalc-light-gray);
        }

        /* Main Container */
        .ddcalc-main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        /* Header Section */
        .ddcalc-header {
            text-align: center;
            margin-bottom: 40px;
            padding: 40px 20px;
            background: linear-gradient(135deg, var(--ddcalc-deep-purple), #5a32a3);
            color: white;
            border-radius: var(--ddcalc-border-radius);
            box-shadow: 0 8px 25px rgba(111, 66, 193, 0.3);
        }

        .ddcalc-main-title {
            font-family: var(--ddcalc-font-secondary);
            font-size: 2.5rem;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .ddcalc-subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Calculator Tool Section */
        .ddcalc-tool-section {
            background: white;
            padding: 40px;
            border-radius: var(--ddcalc-border-radius);
            box-shadow: 0 5px 20px var(--ddcalc-shadow-purple);
            margin-bottom: 40px;
            border: 2px solid var(--ddcalc-deep-purple);
        }

        .ddcalc-tool-title {
            font-family: var(--ddcalc-font-secondary);
            font-size: 2rem;
            color: var(--ddcalc-deep-purple);
            text-align: center;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        /* Calculator Form */
        .ddcalc-form {
            background: var(--ddcalc-light-gray);
            padding: 30px;
            border-radius: var(--ddcalc-border-radius);
            margin-bottom: 30px;
        }

        .ddcalc-form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .ddcalc-input-group {
            display: flex;
            flex-direction: column;
        }

        .ddcalc-label {
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--ddcalc-slate-gray);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .ddcalc-input,
        .ddcalc-select {
            padding: 12px 15px;
            border: 2px solid #e9ecef;
            border-radius: var(--ddcalc-border-radius);
            font-size: 1rem;
            transition: var(--ddcalc-transition);
            font-family: var(--ddcalc-font-primary);
        }

        .ddcalc-input:focus,
        .ddcalc-select:focus {
            outline: none;
            border-color: var(--ddcalc-deep-purple);
            box-shadow: 0 0 0 3px rgba(111, 66, 193, 0.1);
        }

        /* Results Display */
        .ddcalc-results {
            background: white;
            padding: 30px;
            border-radius: var(--ddcalc-border-radius);
            border: 2px solid var(--ddcalc-analytical-teal);
            margin-top: 20px;
            display: none;
        }

        .ddcalc-results.show {
            display: block;
            animation: fadeInUp 0.5s ease;
        }

        .ddcalc-results-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .ddcalc-duration-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--ddcalc-deep-purple);
            margin-bottom: 10px;
        }

        .ddcalc-duration-summary {
            font-size: 1.1rem;
            color: var(--ddcalc-slate-gray);
        }

        .ddcalc-duration-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .ddcalc-duration-unit {
            background: linear-gradient(135deg, var(--ddcalc-light-gray), #e9ecef);
            padding: 20px;
            border-radius: var(--ddcalc-border-radius);
            text-align: center;
            border: 1px solid #dee2e6;
        }

        .ddcalc-unit-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--ddcalc-deep-purple);
            font-family: 'Courier New', monospace;
            display: block;
        }

        .ddcalc-unit-label {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--ddcalc-slate-gray);
            margin-top: 5px;
        }

        .ddcalc-detailed-breakdown {
            background: var(--ddcalc-light-gray);
            padding: 25px;
            border-radius: var(--ddcalc-border-radius);
            margin-top: 20px;
        }

        .ddcalc-breakdown-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--ddcalc-deep-purple);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ddcalc-breakdown-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid #dee2e6;
        }

        .ddcalc-breakdown-item:last-child {
            border-bottom: none;
        }

        .ddcalc-breakdown-label {
            font-weight: 500;
            color: var(--ddcalc-slate-gray);
        }

        .ddcalc-breakdown-value {
            font-weight: 700;
            color: var(--ddcalc-deep-purple);
            font-family: 'Courier New', monospace;
        }

        /* Button Styles */
        .ddcalc-button-group {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .ddcalc-btn {
            padding: 12px 30px;
            border: none;
            border-radius: var(--ddcalc-border-radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--ddcalc-transition);
            font-family: var(--ddcalc-font-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .ddcalc-btn-primary:hover {
            background: #5a32a3;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(111, 66, 193, 0.3);
        }

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

        .ddcalc-btn-secondary:hover {
            background: #545b62;
            transform: translateY(-2px);
        }

        /* Content Sections */
        .ddcalc-content-section {
            background: white;
            padding: 40px;
            border-radius: var(--ddcalc-border-radius);
            box-shadow: 0 5px 20px var(--ddcalc-shadow-purple);
            margin-bottom: 30px;
        }

        .ddcalc-section-title {
            font-family: var(--ddcalc-font-secondary);
            font-size: 1.8rem;
            color: var(--ddcalc-deep-purple);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ddcalc-paragraph {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 20px;
            color: var(--ddcalc-slate-gray);
        }

        /* Lists */
        .ddcalc-list {
            list-style: none;
            padding: 0;
        }

        .ddcalc-list-item {
            padding: 10px 0;
            padding-left: 30px;
            position: relative;
            font-size: 1.1rem;
            line-height: 1.6;
        }

        .ddcalc-list-item::before {
            content: "\f058";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--ddcalc-productive-green);
            font-size: 1.2rem;
        }

        /* Tables */
        .ddcalc-table-wrapper {
            overflow-x: auto;
            margin: 20px 0;
        }

        .ddcalc-table {
            width: 100%;
            border-collapse: collapse;
            background: white;
            border-radius: var(--ddcalc-border-radius);
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .ddcalc-table th,
        .ddcalc-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #e9ecef;
        }

        .ddcalc-table th {
            background: var(--ddcalc-deep-purple);
            color: white;
            font-weight: 600;
        }

        .ddcalc-table tr:hover {
            background: var(--ddcalc-light-gray);
        }

        /* FAQ Section */
        .ddcalc-faq-item {
            background: var(--ddcalc-light-gray);
            border-radius: var(--ddcalc-border-radius);
            margin-bottom: 15px;
            overflow: hidden;
            border-left: 4px solid var(--ddcalc-productive-green);
        }

        .ddcalc-faq-question {
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--ddcalc-deep-purple);
            transition: var(--ddcalc-transition);
        }

        .ddcalc-faq-question:hover {
            background: #e9ecef;
        }

        .ddcalc-faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .ddcalc-faq-item.active .ddcalc-faq-answer {
            max-height: 200px;
            padding: 20px;
        }

        .ddcalc-faq-icon {
            transition: transform 0.3s ease;
        }

        .ddcalc-faq-item.active .ddcalc-faq-icon {
            transform: rotate(180deg);
        }

        /* Example Boxes */
        .ddcalc-example-box {
            background: linear-gradient(135deg, #e8f4fd, #d1ecf1);
            padding: 25px;
            border-radius: var(--ddcalc-border-radius);
            margin: 20px 0;
            border-left: 5px solid var(--ddcalc-analytical-teal);
        }

        .ddcalc-tip-box {
            background: linear-gradient(135deg, #f3e5f5, #e1bee7);
            padding: 25px;
            border-radius: var(--ddcalc-border-radius);
            margin: 20px 0;
            border-left: 5px solid var(--ddcalc-deep-purple);
        }

        /* Internal Links */
        .ddcalc-internal-links {
            background: var(--ddcalc-light-gray);
            padding: 30px;
            border-radius: var(--ddcalc-border-radius);
            margin-top: 30px;
        }

        .ddcalc-link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }

        .ddcalc-link-item {
            background: white;
            padding: 20px;
            border-radius: var(--ddcalc-border-radius);
            text-decoration: none;
            color: var(--ddcalc-slate-gray);
            transition: var(--ddcalc-transition);
            border: 2px solid transparent;
        }

        .ddcalc-link-item:hover {
            border-color: var(--ddcalc-deep-purple);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px var(--ddcalc-shadow-purple);
            text-decoration: none;
            color: var(--ddcalc-deep-purple);
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .ddcalc-main-title {
                font-size: 2rem;
            }
            
            .ddcalc-tool-section,
            .ddcalc-content-section {
                padding: 25px;
            }
            
            .ddcalc-form-grid {
                grid-template-columns: 1fr;
            }
            
            .ddcalc-duration-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .ddcalc-button-group {
                flex-direction: column;
                align-items: center;
            }
            
            .ddcalc-btn {
                width: 100%;
                max-width: 300px;
            }
        }

        @media (max-width: 480px) {
            .ddcalc-main-container {
                padding: 10px;
            }
            
            .ddcalc-header {
                padding: 30px 15px;
            }
            
            .ddcalc-main-title {
                font-size: 1.8rem;
            }
            
            .ddcalc-tool-section,
            .ddcalc-content-section {
                padding: 20px;
            }
            
            .ddcalc-duration-grid {
                grid-template-columns: 1fr;
            }
            
            .ddcalc-unit-value {
                font-size: 1.5rem;
            }
        }

/* ==========================================================================
   DATE FORMATTER STYLES (dfmt- prefix)
   ========================================================================== */

/* CSS Variables for Consistent Theming */
        :root {
            --dfmt-light-gray: #f8f9fa;
            --dfmt-emerald-green: #10b981;
            --dfmt-slate-gray: #333333;
            --dfmt-productive-green: #28a745;
            --dfmt-tech-cyan: #06b6d4;
            --dfmt-shadow-green: rgba(16, 185, 129, 0.15);
            --dfmt-font-primary: 'Montserrat', sans-serif;
            --dfmt-font-secondary: 'Lora', serif;
            --dfmt-border-radius: 12px;
            --dfmt-transition: all 0.3s ease;
        }

        /* Reset and Base Styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: var(--dfmt-font-primary);
            line-height: 1.6;
            color: var(--dfmt-slate-gray);
            background-color: var(--dfmt-light-gray);
        }

        /* Main Container */
        .dfmt-main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        /* Header Section */
        .dfmt-header {
            text-align: center;
            margin-bottom: 40px;
            padding: 40px 20px;
            background: linear-gradient(135deg, var(--dfmt-emerald-green), #059669);
            color: white;
            border-radius: var(--dfmt-border-radius);
            box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
        }

        .dfmt-main-title {
            font-family: var(--dfmt-font-secondary);
            font-size: 2.5rem;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .dfmt-subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Formatter Tool Section */
        .dfmt-tool-section {
            background: white;
            padding: 40px;
            border-radius: var(--dfmt-border-radius);
            box-shadow: 0 5px 20px var(--dfmt-shadow-green);
            margin-bottom: 40px;
            border: 2px solid var(--dfmt-emerald-green);
        }

        .dfmt-tool-title {
            font-family: var(--dfmt-font-secondary);
            font-size: 2rem;
            color: var(--dfmt-emerald-green);
            text-align: center;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        /* Formatter Form */
        .dfmt-form {
            background: var(--dfmt-light-gray);
            padding: 30px;
            border-radius: var(--dfmt-border-radius);
            margin-bottom: 30px;
        }

        .dfmt-form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .dfmt-input-group {
            display: flex;
            flex-direction: column;
        }

        .dfmt-label {
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--dfmt-slate-gray);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .dfmt-input,
        .dfmt-select {
            padding: 12px 15px;
            border: 2px solid #e9ecef;
            border-radius: var(--dfmt-border-radius);
            font-size: 1rem;
            transition: var(--dfmt-transition);
            font-family: var(--dfmt-font-primary);
        }

        .dfmt-input:focus,
        .dfmt-select:focus {
            outline: none;
            border-color: var(--dfmt-emerald-green);
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
        }

        /* Results Display */
        .dfmt-results {
            background: white;
            padding: 30px;
            border-radius: var(--dfmt-border-radius);
            border: 2px solid var(--dfmt-tech-cyan);
            margin-top: 20px;
            display: none;
        }

        .dfmt-results.show {
            display: block;
            animation: fadeInUp 0.5s ease;
        }

        .dfmt-results-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .dfmt-format-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--dfmt-emerald-green);
            margin-bottom: 10px;
        }

        .dfmt-format-summary {
            font-size: 1.1rem;
            color: var(--dfmt-slate-gray);
        }

        .dfmt-format-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .dfmt-format-item {
            background: linear-gradient(135deg, var(--dfmt-light-gray), #e9ecef);
            padding: 20px;
            border-radius: var(--dfmt-border-radius);
            border: 1px solid #dee2e6;
        }

        .dfmt-format-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--dfmt-emerald-green);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .dfmt-format-value {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--dfmt-slate-gray);
            font-family: 'Courier New', monospace;
            background: white;
            padding: 10px;
            border-radius: 6px;
            border: 1px solid #dee2e6;
            word-break: break-all;
        }

        .dfmt-copy-btn {
            margin-top: 10px;
            padding: 6px 12px;
            background: var(--dfmt-tech-cyan);
            color: white;
            border: none;
            border-radius: 6px;
            font-size: 0.8rem;
            cursor: pointer;
            transition: var(--dfmt-transition);
        }

        .dfmt-copy-btn:hover {
            background: #0891b2;
        }

        /* Button Styles */
        .dfmt-button-group {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .dfmt-btn {
            padding: 12px 30px;
            border: none;
            border-radius: var(--dfmt-border-radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--dfmt-transition);
            font-family: var(--dfmt-font-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .dfmt-btn-primary:hover {
            background: #059669;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
        }

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

        .dfmt-btn-secondary:hover {
            background: #545b62;
            transform: translateY(-2px);
        }

        /* Content Sections */
        .dfmt-content-section {
            background: white;
            padding: 40px;
            border-radius: var(--dfmt-border-radius);
            box-shadow: 0 5px 20px var(--dfmt-shadow-green);
            margin-bottom: 30px;
        }

        .dfmt-section-title {
            font-family: var(--dfmt-font-secondary);
            font-size: 1.8rem;
            color: var(--dfmt-emerald-green);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .dfmt-paragraph {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 20px;
            color: var(--dfmt-slate-gray);
        }

        /* Lists */
        .dfmt-list {
            list-style: none;
            padding: 0;
        }

        .dfmt-list-item {
            padding: 10px 0;
            padding-left: 30px;
            position: relative;
            font-size: 1.1rem;
            line-height: 1.6;
        }

        .dfmt-list-item::before {
            content: "\f058";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--dfmt-productive-green);
            font-size: 1.2rem;
        }

        /* Tables */
        .dfmt-table-wrapper {
            overflow-x: auto;
            margin: 20px 0;
        }

        .dfmt-table {
            width: 100%;
            border-collapse: collapse;
            background: white;
            border-radius: var(--dfmt-border-radius);
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .dfmt-table th,
        .dfmt-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #e9ecef;
        }

        .dfmt-table th {
            background: var(--dfmt-emerald-green);
            color: white;
            font-weight: 600;
        }

        .dfmt-table tr:hover {
            background: var(--dfmt-light-gray);
        }

        /* FAQ Section */
        .dfmt-faq-item {
            background: var(--dfmt-light-gray);
            border-radius: var(--dfmt-border-radius);
            margin-bottom: 15px;
            overflow: hidden;
            border-left: 4px solid var(--dfmt-productive-green);
        }

        .dfmt-faq-question {
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--dfmt-emerald-green);
            transition: var(--dfmt-transition);
        }

        .dfmt-faq-question:hover {
            background: #e9ecef;
        }

        .dfmt-faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .dfmt-faq-item.active .dfmt-faq-answer {
            max-height: 200px;
            padding: 20px;
        }

        .dfmt-faq-icon {
            transition: transform 0.3s ease;
        }

        .dfmt-faq-item.active .dfmt-faq-icon {
            transform: rotate(180deg);
        }

        /* Example Boxes */
        .dfmt-example-box {
            background: linear-gradient(135deg, #d1fae5, #a7f3d0);
            padding: 25px;
            border-radius: var(--dfmt-border-radius);
            margin: 20px 0;
            border-left: 5px solid var(--dfmt-emerald-green);
        }

        .dfmt-tip-box {
            background: linear-gradient(135deg, #cffafe, #a5f3fc);
            padding: 25px;
            border-radius: var(--dfmt-border-radius);
            margin: 20px 0;
            border-left: 5px solid var(--dfmt-tech-cyan);
        }

        /* Internal Links */
        .dfmt-internal-links {
            background: var(--dfmt-light-gray);
            padding: 30px;
            border-radius: var(--dfmt-border-radius);
            margin-top: 30px;
        }

        .dfmt-link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }

        .dfmt-link-item {
            background: white;
            padding: 20px;
            border-radius: var(--dfmt-border-radius);
            text-decoration: none;
            color: var(--dfmt-slate-gray);
            transition: var(--dfmt-transition);
            border: 2px solid transparent;
        }

        .dfmt-link-item:hover {
            border-color: var(--dfmt-emerald-green);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px var(--dfmt-shadow-green);
            text-decoration: none;
            color: var(--dfmt-emerald-green);
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .dfmt-main-title {
                font-size: 2rem;
            }
            
            .dfmt-tool-section,
            .dfmt-content-section {
                padding: 25px;
            }
            
            .dfmt-form-grid {
                grid-template-columns: 1fr;
            }
            
            .dfmt-format-grid {
                grid-template-columns: 1fr;
            }
            
            .dfmt-button-group {
                flex-direction: column;
                align-items: center;
            }
            
            .dfmt-btn {
                width: 100%;
                max-width: 300px;
            }
        }

        @media (max-width: 480px) {
            .dfmt-main-container {
                padding: 10px;
            }
            
            .dfmt-header {
                padding: 30px 15px;
            }
            
            .dfmt-main-title {
                font-size: 1.8rem;
            }
            
            .dfmt-tool-section,
            .dfmt-content-section {
                padding: 20px;
            }
        }
/* ==========================================================================
   DATETIME CALCULATOR STYLES (dtcalc- prefix)
   ========================================================================== */

 /* CSS Variables for Consistent Theming */
        :root {
            --dtcalc-light-gray: #f8f9fa;
            --dtcalc-royal-blue: #4169e1;
            --dtcalc-slate-gray: #333333;
            --dtcalc-productive-green: #28a745;
            --dtcalc-tech-orange: #ff6b35;
            --dtcalc-shadow-blue: rgba(65, 105, 225, 0.15);
            --dtcalc-font-primary: 'Montserrat', sans-serif;
            --dtcalc-font-secondary: 'Lora', serif;
            --dtcalc-border-radius: 12px;
            --dtcalc-transition: all 0.3s ease;
        }

        /* Reset and Base Styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: var(--dtcalc-font-primary);
            line-height: 1.6;
            color: var(--dtcalc-slate-gray);
            background-color: var(--dtcalc-light-gray);
        }

        /* Main Container */
        .dtcalc-main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        /* Header Section */
        .dtcalc-header {
            text-align: center;
            margin-bottom: 40px;
            padding: 40px 20px;
            background: linear-gradient(135deg, var(--dtcalc-royal-blue), #2e4bc6);
            color: white;
            border-radius: var(--dtcalc-border-radius);
            box-shadow: 0 8px 25px rgba(65, 105, 225, 0.3);
        }

        .dtcalc-main-title {
            font-family: var(--dtcalc-font-secondary);
            font-size: 2.5rem;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .dtcalc-subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Calculator Tool Section */
        .dtcalc-tool-section {
            background: white;
            padding: 40px;
            border-radius: var(--dtcalc-border-radius);
            box-shadow: 0 5px 20px var(--dtcalc-shadow-blue);
            margin-bottom: 40px;
            border: 2px solid var(--dtcalc-royal-blue);
        }

        .dtcalc-tool-title {
            font-family: var(--dtcalc-font-secondary);
            font-size: 2rem;
            color: var(--dtcalc-royal-blue);
            text-align: center;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }

        /* Calculator Tabs */
        .dtcalc-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 30px;
            border-bottom: 2px solid #e9ecef;
        }

        .dtcalc-tab {
            padding: 12px 24px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: #6c757d;
            cursor: pointer;
            transition: var(--dtcalc-transition);
            border-bottom: 3px solid transparent;
        }

        .dtcalc-tab.active {
            color: var(--dtcalc-royal-blue);
            border-bottom-color: var(--dtcalc-royal-blue);
        }

        .dtcalc-tab:hover {
            color: var(--dtcalc-royal-blue);
        }

        /* Tab Content */
        .dtcalc-tab-content {
            display: none;
        }

        .dtcalc-tab-content.active {
            display: block;
            animation: fadeInUp 0.5s ease;
        }

        /* Calculator Form */
        .dtcalc-form {
            background: var(--dtcalc-light-gray);
            padding: 30px;
            border-radius: var(--dtcalc-border-radius);
            margin-bottom: 30px;
        }

        .dtcalc-form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .dtcalc-input-group {
            display: flex;
            flex-direction: column;
        }

        .dtcalc-label {
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--dtcalc-slate-gray);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .dtcalc-input,
        .dtcalc-select {
            padding: 12px 15px;
            border: 2px solid #e9ecef;
            border-radius: var(--dtcalc-border-radius);
            font-size: 1rem;
            transition: var(--dtcalc-transition);
            font-family: var(--dtcalc-font-primary);
        }

        .dtcalc-input:focus,
        .dtcalc-select:focus {
            outline: none;
            border-color: var(--dtcalc-royal-blue);
            box-shadow: 0 0 0 3px rgba(65, 105, 225, 0.1);
        }

        /* Results Display */
        .dtcalc-results {
            background: white;
            padding: 30px;
            border-radius: var(--dtcalc-border-radius);
            border: 2px solid var(--dtcalc-tech-orange);
            margin-top: 20px;
            display: none;
        }

        .dtcalc-results.show {
            display: block;
            animation: fadeInUp 0.5s ease;
        }

        .dtcalc-results-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .dtcalc-result-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--dtcalc-royal-blue);
            margin-bottom: 10px;
        }

        .dtcalc-result-summary {
            font-size: 1.1rem;
            color: var(--dtcalc-slate-gray);
        }

        .dtcalc-result-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .dtcalc-result-item {
            background: linear-gradient(135deg, var(--dtcalc-light-gray), #e9ecef);
            padding: 20px;
            border-radius: var(--dtcalc-border-radius);
            text-align: center;
            border: 1px solid #dee2e6;
        }

        .dtcalc-result-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dtcalc-royal-blue);
            font-family: 'Courier New', monospace;
            display: block;
            margin-bottom: 5px;
        }

        .dtcalc-result-label {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--dtcalc-slate-gray);
        }

        /* Button Styles */
        .dtcalc-button-group {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .dtcalc-btn {
            padding: 12px 30px;
            border: none;
            border-radius: var(--dtcalc-border-radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--dtcalc-transition);
            font-family: var(--dtcalc-font-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .dtcalc-btn-primary:hover {
            background: #2e4bc6;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(65, 105, 225, 0.3);
        }

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

        .dtcalc-btn-secondary:hover {
            background: #545b62;
            transform: translateY(-2px);
        }

        /* Content Sections */
        .dtcalc-content-section {
            background: white;
            padding: 40px;
            border-radius: var(--dtcalc-border-radius);
            box-shadow: 0 5px 20px var(--dtcalc-shadow-blue);
            margin-bottom: 30px;
        }

        .dtcalc-section-title {
            font-family: var(--dtcalc-font-secondary);
            font-size: 1.8rem;
            color: var(--dtcalc-royal-blue);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .dtcalc-paragraph {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 20px;
            color: var(--dtcalc-slate-gray);
        }

        /* Lists */
        .dtcalc-list {
            list-style: none;
            padding: 0;
        }

        .dtcalc-list-item {
            padding: 10px 0;
            padding-left: 30px;
            position: relative;
            font-size: 1.1rem;
            line-height: 1.6;
        }

        .dtcalc-list-item::before {
            content: "\f058";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--dtcalc-productive-green);
            font-size: 1.2rem;
        }

        /* Tables */
        .dtcalc-table-wrapper {
            overflow-x: auto;
            margin: 20px 0;
        }

        .dtcalc-table {
            width: 100%;
            border-collapse: collapse;
            background: white;
            border-radius: var(--dtcalc-border-radius);
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .dtcalc-table th,
        .dtcalc-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #e9ecef;
        }

        .dtcalc-table th {
            background: var(--dtcalc-royal-blue);
            color: white;
            font-weight: 600;
        }

        .dtcalc-table tr:hover {
            background: var(--dtcalc-light-gray);
        }

        /* FAQ Section */
        .dtcalc-faq-item {
            background: var(--dtcalc-light-gray);
            border-radius: var(--dtcalc-border-radius);
            margin-bottom: 15px;
            overflow: hidden;
            border-left: 4px solid var(--dtcalc-productive-green);
        }

        .dtcalc-faq-question {
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--dtcalc-royal-blue);
            transition: var(--dtcalc-transition);
        }

        .dtcalc-faq-question:hover {
            background: #e9ecef;
        }

        .dtcalc-faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .dtcalc-faq-item.active .dtcalc-faq-answer {
            max-height: 200px;
            padding: 20px;
        }

        .dtcalc-faq-icon {
            transition: transform 0.3s ease;
        }

        .dtcalc-faq-item.active .dtcalc-faq-icon {
            transform: rotate(180deg);
        }

        /* Example Boxes */
        .dtcalc-example-box {
            background: linear-gradient(135deg, #e3f2fd, #bbdefb);
            padding: 25px;
            border-radius: var(--dtcalc-border-radius);
            margin: 20px 0;
            border-left: 5px solid var(--dtcalc-royal-blue);
        }

        .dtcalc-tip-box {
            background: linear-gradient(135deg, #fff3e0, #ffe0b2);
            padding: 25px;
            border-radius: var(--dtcalc-border-radius);
            margin: 20px 0;
            border-left: 5px solid var(--dtcalc-tech-orange);
        }

        /* Internal Links */
        .dtcalc-internal-links {
            background: var(--dtcalc-light-gray);
            padding: 30px;
            border-radius: var(--dtcalc-border-radius);
            margin-top: 30px;
        }

        .dtcalc-link-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }

        .dtcalc-link-item {
            background: white;
            padding: 20px;
            border-radius: var(--dtcalc-border-radius);
            text-decoration: none;
            color: var(--dtcalc-slate-gray);
            transition: var(--dtcalc-transition);
            border: 2px solid transparent;
        }

        .dtcalc-link-item:hover {
            border-color: var(--dtcalc-royal-blue);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px var(--dtcalc-shadow-blue);
            text-decoration: none;
            color: var(--dtcalc-royal-blue);
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .dtcalc-main-title {
                font-size: 2rem;
            }
            
            .dtcalc-tool-section,
            .dtcalc-content-section {
                padding: 25px;
            }
            
            .dtcalc-form-grid {
                grid-template-columns: 1fr;
            }
            
            .dtcalc-result-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .dtcalc-button-group {
                flex-direction: column;
                align-items: center;
            }
            
            .dtcalc-btn {
                width: 100%;
                max-width: 300px;
            }
            
            .dtcalc-tabs {
                flex-wrap: wrap;
            }
            
            .dtcalc-tab {
                flex: 1;
                min-width: 120px;
            }
        }

        @media (max-width: 480px) {
            .dtcalc-main-container {
                padding: 10px;
            }
            
            .dtcalc-header {
                padding: 30px 15px;
            }
            
            .dtcalc-main-title {
                font-size: 1.8rem;
            }
            
            .dtcalc-tool-section,
            .dtcalc-content-section {
                padding: 20px;
            }
            
            .dtcalc-result-grid {
                grid-template-columns: 1fr;
            }
            
            .dtcalc-result-value {
                font-size: 1.2rem;
            }
        }

/* ==========================================================================
   SHARED COMPONENT STYLES
   ========================================================================== */

/* Form Elements - Shared across all calculators */
.calculator-form {
    background: var(--light-gray, #f8f9fa);
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.calculator-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.calculator-input-group {
    display: flex;
    flex-direction: column;
}

.calculator-label {
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.calculator-input,
.calculator-select {
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.calculator-input:focus,
.calculator-select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

/* Button Styles - Shared across all calculators */
.calculator-button-group {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.calculator-btn {
    padding: 12px 30px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
    display: flex;
    align-items: center;
    gap: 8px;
}

.calculator-btn-primary {
    background: var(--primary-color, #007bff);
    color: white;
}

.calculator-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

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

.calculator-btn-secondary:hover {
    background: #545b62;
    transform: translateY(-2px);
}

/* List Styles - Shared across all calculators */
.calculator-list {
    list-style: none;
    padding: 0;
}

.calculator-list-item {
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    font-size: 1.1rem;
    line-height: 1.6;
}

.calculator-list-item::before {
    content: "\f058";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: var(--productive-green, #28a745);
    font-size: 1.2rem;
}

/* Table Styles - Shared across all calculators */
.calculator-table-wrapper {
    overflow-x: auto;
    margin: 20px 0;
}

.calculator-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.calculator-table th,
.calculator-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.calculator-table th {
    background: var(--primary-color, #007bff);
    color: white;
    font-weight: 600;
}

.calculator-table tr:hover {
    background: var(--light-gray, #f8f9fa);
}

/* FAQ Styles - Shared across all calculators */
.calculator-faq-item {
    background: var(--light-gray, #f8f9fa);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    border-left: 4px solid var(--productive-green, #28a745);
}

.calculator-faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--primary-color, #007bff);
    transition: all 0.3s ease;
}

.calculator-faq-question:hover {
    background: #e9ecef;
}

.calculator-faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.calculator-faq-item.active .calculator-faq-answer {
    max-height: 200px;
    padding: 20px;
}

.calculator-faq-icon {
    transition: transform 0.3s ease;
}

.calculator-faq-item.active .calculator-faq-icon {
    transform: rotate(180deg);
}

/* Example and Tip Boxes - Shared across all calculators */
.calculator-example-box {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    padding: 25px;
    border-radius: 12px;
    margin: 20px 0;
    border-left: 5px solid var(--primary-color, #007bff);
}

.calculator-tip-box {
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
    padding: 25px;
    border-radius: 12px;
    margin: 20px 0;
    border-left: 5px solid var(--tech-orange, #ff6b35);
}

/* Internal Links - Shared across all calculators */
.calculator-internal-links {
    background: var(--light-gray, #f8f9fa);
    padding: 30px;
    border-radius: 12px;
    margin-top: 30px;
}

.calculator-link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.calculator-link-item {
    background: white;
    padding: 20px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--slate-gray, #333333);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.calculator-link-item:hover {
    border-color: var(--primary-color, #007bff);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.15);
    text-decoration: none;
    color: var(--primary-color, #007bff);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design - Shared across all calculators */
@media (max-width: 768px) {
    .calculator-main-title {
        font-size: 2rem;
    }
    
    .calculator-tool-section,
    .calculator-content-section {
        padding: 25px;
    }
    
    .calculator-form-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator-button-group {
        flex-direction: column;
        align-items: center;
    }
    
    .calculator-btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .calculator-main-container {
        padding: 10px;
    }
    
    .calculator-header {
        padding: 30px 15px;
    }
    
    .calculator-main-title {
        font-size: 1.8rem;
    }
    
    .calculator-tool-section,
    .calculator-content-section {
        padding: 20px;
    }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */

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

.mb-10 { margin-bottom: 10px; }
.mb-15 { margin-bottom: 15px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }

.mt-10 { margin-top: 10px; }
.mt-15 { margin-top: 15px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }

.p-10 { padding: 10px; }
.p-15 { padding: 15px; }
.p-20 { padding: 20px; }
.p-30 { padding: 30px; }

.font-weight-bold { font-weight: 600; }
.font-weight-normal { font-weight: 400; }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.gap-10 { gap: 10px; }
.gap-15 { gap: 15px; }

/* ==========================================================================
   END OF UNIVERSAL CALCULATOR STYLES
   ========================================================================== */