:root {
            --bg-primary: #f1f5f9; /* Light grey-blue background */
            --bg-secondary: #ffffff; /* Pure white container */
            --bg-card: #ffffff;
            --accent-glow: rgba(14, 165, 233, 0.08);
            --color-primary: #0ea5e9;
            --color-secondary: #0284c7;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --text-main: #0f172a; /* Dark slate text */
            --text-muted: #64748b; /* Soft slate text */
            --border-color: #e2e8f0; /* Clear slate borders */
            --border-focus: #0ea5e9;
            --shadow-glow: 0 10px 30px rgba(14, 165, 233, 0.06);
            --radius-lg: 16px;
            --radius-md: 10px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
            -webkit-font-smoothing: antialiased;
        }

        body {
            background-color: var(--bg-primary);
            color: var(--text-main);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        /* Header Style */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            padding: 0.5rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            font-size: 1.8rem;
            color: var(--color-primary);
        }

        .logo-text h1 {
            font-family: 'Outfit', sans-serif;
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }

        .logo-text p {
            font-size: 0.65rem;
            color: var(--text-muted);
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .session-info {
            background: rgba(14, 165, 233, 0.08);
            border: 1px solid rgba(14, 165, 233, 0.15);
            padding: 0.5rem 1rem;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-secondary);
        }

        .session-info span.id {
            color: var(--text-main);
        }

        /* Progress Bar */
        .progress-container {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            padding: 0.75rem 2rem;
            overflow-x: auto;
        }

        .progress-steps {
            display: flex;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            min-width: 800px;
            position: relative;
        }

        .progress-line {
            position: absolute;
            top: 15px;
            left: 5%;
            width: 90%;
            height: 2px;
            background: #e2e8f0;
            z-index: 1;
        }

        .progress-line-fill {
            position: absolute;
            top: 15px;
            left: 5%;
            width: 0%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            z-index: 2;
            transition: var(--transition);
        }

        .step-node {
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            z-index: 3;
            cursor: pointer;
            width: 10%;
        }

        .step-circle {
            width: 32px;
            height: 32px;
            background: var(--bg-secondary);
            border: 2px solid var(--text-muted);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .step-node.active .step-circle {
            border-color: var(--color-primary);
            color: var(--color-primary);
            box-shadow: 0 0 10px rgba(14, 165, 233, 0.2);
            background: var(--bg-secondary);
        }

        .step-node.completed .step-circle {
            border-color: var(--color-success);
            background: var(--color-success);
            color: white;
        }

        .step-label {
            font-size: 0.7rem;
            font-weight: 500;
            margin-top: 5px;
            color: var(--text-muted);
            text-align: center;
            white-space: nowrap;
        }

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

        .step-node.completed .step-label {
            color: var(--text-main);
        }

        /* Layout */
        .main-container {
            display: grid;
            grid-template-columns: 1fr 360px;
            flex-grow: 1;
            width: 100%;
            max-width: 1400px;
            margin: 1rem auto;
            padding: 0 1.25rem;
            gap: 1.25rem;
            align-items: start;
            transition: all 0.3s ease;
        }

        /* Large Desktop */
        @media (min-width: 1400px) {
            .main-container.three-columns {
                grid-template-columns: 285px 1fr 340px;
            }
        }

        /* Medium Desktop / Laptops */
        @media (min-width: 1200px) and (max-width: 1399px) {
            .main-container.three-columns {
                grid-template-columns: 240px 1fr 300px;
                gap: 1rem;
                padding: 0 1rem;
            }
            .main-container {
                grid-template-columns: 1fr 310px;
                gap: 1rem;
                padding: 0 1rem;
            }
        }

        /* Small Desktop / Tablets / Mobile */
        @media (max-width: 1199px) {
            .main-container, .main-container.three-columns {
                grid-template-columns: 1fr !important;
                gap: 1.25rem;
            }
            .primary-service-sidebar, .estimate-sidebar {
                position: static !important;
                width: 100% !important;
            }
        }

        /* Wizard container card */
        .wizard-container {
            background-color: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            min-height: 450px;
            display: flex;
            flex-direction: column;
        }

        .step-content {
            display: none;
            flex-grow: 1;
            animation: fadeIn 0.4s ease-out;
        }

        .step-content.active {
            display: flex;
            flex-direction: column;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .step-header {
            margin-bottom: 1.25rem;
        }

        .step-header h2 {
            font-family: 'Outfit', sans-serif;
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.25rem;
        }

        .step-header p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.4;
        }

        /* Buttons footer */
        .wizard-footer {
            margin-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .btn {
            padding: 0.8rem 1.8rem;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .btn-secondary {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-main);
        }

        .btn-secondary:hover {
            background: #f8fafc;
            border-color: var(--text-muted);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
            border: none;
            color: white;
            box-shadow: 0 4px 12px rgba(14, 165, 233, 0.2);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            filter: brightness(1.1);
        }

        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none !important;
            filter: none !important;
        }

        /* Forms Styling */
        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            color: var(--text-main);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--border-focus);
            box-shadow: 0 0 10px rgba(14, 165, 233, 0.15);
            background: #ffffff;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        @media (max-width: 600px) {
            .form-row {
                grid-template-columns: 1fr;
            }
        }

        /* Step-specific Grid Elements */
        .card-grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .card-grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 1.5rem;
        }

        @media (max-width: 768px) {
            .card-grid-2, .card-grid-3 {
                grid-template-columns: 1fr;
            }
        }

        .selection-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
            position: relative;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
        }

        .selection-card:hover {
            border-color: rgba(14, 165, 233, 0.4);
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(0,0,0,0.04);
        }

        .selection-card.selected {
            border-color: var(--color-primary);
            background: rgba(14, 165, 233, 0.03);
            box-shadow: 0 4px 20px rgba(14, 165, 233, 0.1);
        }

        .card-header-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .card-icon {
            font-size: 2rem;
            color: var(--color-primary);
        }

        .card-badge {
            background: rgba(14, 165, 233, 0.08);
            color: var(--color-primary);
            border: 1px solid rgba(14, 165, 233, 0.2);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 20px;
            text-transform: uppercase;
        }

        .selection-card.selected .card-badge {
            background: var(--color-primary);
            color: white;
            border-color: var(--color-primary);
        }

        .card-title {
            font-family: 'Outfit', sans-serif;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .card-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* Quantity controls */
        .slider-container {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            margin-top: 1rem;
            box-shadow: 0 2px 8px rgba(0,0,0,0.01);
        }

        .slider-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .slider-value {
            font-size: 2rem;
            font-family: 'Outfit', sans-serif;
            font-weight: 800;
            color: var(--color-primary);
        }

        .slider-range-input {
            width: 100%;
            height: 6px;
            background: #e2e8f0;
            border-radius: 3px;
            outline: none;
            -webkit-appearance: none;
            margin-bottom: 1rem;
        }

        .slider-range-input::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: 50%;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(14, 165, 233, 0.25);
            transition: transform 0.1s;
        }

        .slider-range-input::-webkit-slider-thumb:hover {
            transform: scale(1.2);
        }

        .slider-limits {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .additional-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            margin-top: 1.5rem;
            gap: 1rem;
            border-top: 1px solid var(--border-color);
            padding-top: 1.5rem;
        }

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

        .stat-box p {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .stat-box h4 {
            font-family: 'Outfit', sans-serif;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-top: 4px;
        }

        /* Stepper input */
        .stepper-control {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            margin: 2rem 0 1rem;
        }

        .stepper-btn {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            background: #ffffff;
            color: var(--text-main);
            font-size: 1.5rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }

        .stepper-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(14, 165, 233, 0.05);
        }

        .stepper-value {
            font-size: 2.5rem;
            font-family: 'Outfit', sans-serif;
            font-weight: 800;
            min-width: 60px;
            text-align: center;
        }

        /* Norwood Grade Selector style */
        .norwood-container {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 10px;
            margin-top: 5px;
        }

        @media (max-width: 600px) {
            .norwood-container {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .norwood-btn {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 10px;
            text-align: center;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 1px 3px rgba(0,0,0,0.02);
        }

        .norwood-btn:hover {
            border-color: var(--color-primary);
            background: rgba(14, 165, 233, 0.02);
        }

        .norwood-btn.selected {
            background: rgba(14, 165, 233, 0.05);
            border-color: var(--color-primary);
            box-shadow: 0 2px 8px rgba(14,165,233,0.15);
        }

        .norwood-btn h5 {
            font-family: 'Outfit', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
        }

        .norwood-btn p {
            font-size: 0.65rem;
            color: var(--text-muted);
            margin-top: 3px;
        }

        /* Calendar Widget */
        .calendar-widget {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .calendar-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .calendar-nav h3 {
            font-family: 'Outfit', sans-serif;
            font-size: 1.2rem;
            font-weight: 700;
        }

        .calendar-nav-btn {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-main);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .calendar-nav-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 8px;
            text-align: center;
        }

        .calendar-weekday {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            padding: 5px 0;
            text-transform: uppercase;
        }

        .calendar-day {
            min-height: 48px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            background: #f8fafc;
            cursor: pointer;
            transition: var(--transition);
            padding: 4px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .calendar-day:hover:not(.disabled):not(.closed) {
            border-color: var(--color-primary);
            background: rgba(14, 165, 233, 0.03);
        }

        .calendar-day.disabled {
            opacity: 0.25;
            cursor: not-allowed;
            background: #f1f5f9;
        }

        .calendar-day.closed {
            background: #f1f5f9;
            color: var(--text-muted);
            cursor: not-allowed;
        }

        .calendar-day.closed .slot-badge {
            background: transparent;
            color: var(--text-muted);
        }

        .calendar-day.available {
            border-color: rgba(16, 185, 129, 0.2);
            background: rgba(16, 185, 129, 0.02);
        }

        .calendar-day.available .slot-badge {
            background: rgba(16, 185, 129, 0.08);
            color: var(--color-success);
        }

        .calendar-day.full {
            border-color: rgba(239, 68, 68, 0.2);
            background: rgba(239, 68, 68, 0.02);
            color: var(--text-muted);
            cursor: not-allowed;
        }

        .calendar-day.full .slot-badge {
            background: rgba(239, 68, 68, 0.08);
            color: var(--color-danger);
        }

        .calendar-day.selected-day {
            border-color: var(--color-primary);
            background: rgba(14, 165, 233, 0.08) !important;
            color: var(--color-primary);
            font-weight: 700;
            box-shadow: 0 2px 10px rgba(14,165,233,0.1);
        }

        .calendar-day.selected-day .slot-badge {
            background: var(--color-primary);
            color: white;
        }

        .slot-badge {
            font-size: 0.65rem;
            padding: 2px 4px;
            border-radius: 4px;
            margin-top: 4px;
            font-weight: 700;
        }

        .calendar-legend {
            display: flex;
            gap: 15px;
            font-size: 0.75rem;
            color: var(--text-muted);
            justify-content: center;
            margin-top: 1.5rem;
            flex-wrap: wrap;
        }

        .legend-item {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .legend-color {
            width: 12px;
            height: 12px;
            border-radius: 3px;
        }

        .legend-color.avail { background: rgba(16, 185, 129, 0.08); border: 1px solid var(--color-success); }
        .legend-color.sel { background: rgba(14, 165, 233, 0.08); border: 1px solid var(--color-primary); }
        .legend-color.ful { background: rgba(239, 68, 68, 0.08); border: 1px solid var(--color-danger); }
        .legend-color.cls { background: #f1f5f9; border: 1px solid var(--border-color); }

        /* Timer alert banner (Large Hero Countdown) */
        .big-timer-container {
            display: none;
            background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
            border: 2px solid #fde68a;
            color: #92400e;
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            margin-bottom: 2rem;
            text-align: center;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(217, 119, 6, 0.08);
            animation: pulse-glow 2s infinite alternate;
        }

        .big-timer-container.active {
            display: flex;
        }

        .timer-big-digit {
            font-family: 'Outfit', sans-serif;
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1;
            margin: 0.5rem 0;
            color: #d97706;
            text-shadow: 0 2px 10px rgba(217, 119, 6, 0.15);
        }

        @keyframes pulse-glow {
            from { border-color: #fde68a; box-shadow: 0 4px 15px rgba(217, 119, 6, 0.08); }
            to { border-color: #fbbf24; box-shadow: 0 4px 25px rgba(217, 119, 6, 0.18); }
        }

        @keyframes pulse-glow-green {
            from { border-color: #bbf7d0; box-shadow: 0 4px 10px rgba(22,101,52,0.05); }
            to { border-color: #86efac; box-shadow: 0 4px 18px rgba(22,101,52,0.12); }
        }

        /* Persistent Sidebar */
        .sidebar-section-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.25rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
        }
        .sidebar-section-card:hover {
            box-shadow: 0 6px 18px rgba(0,0,0,0.04);
            border-color: var(--color-primary);
        }
        .sidebar-section-header {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: 'Outfit', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 1rem;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 0.5rem;
        }

        .sb-cards-horizontal {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 1.5rem;
            width: 100%;
        }

        @media (min-width: 1024px) {
            .sb-cards-horizontal {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sb-cards-horizontal > .sidebar-section-card {
                flex: 1 1 calc(50% - 8px);
                margin-bottom: 0;
                min-width: 180px;
            }
            .sidebar-section-card .sidebar-row {
                font-size: 0.85rem;
                padding: 0.15rem 0;
            }
            .sidebar-section-card .sidebar-section-header {
                font-size: 0.95rem;
                margin-bottom: 0.75rem;
            }
        }

        /* Left Sidebar: Primary Service Column */
        .primary-service-sidebar {
            background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2.5rem 1.75rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 90px;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            transition: all 0.3s ease;
        }

        .primary-service-card-premium {
            border: 1px solid var(--border-color);
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.25rem;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .primary-service-card-premium:hover {
            box-shadow: 0 6px 20px rgba(14, 165, 233, 0.06);
            border-color: var(--color-primary);
        }

        .primary-service-icon-box {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(14, 165, 233, 0.1);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto;
            box-shadow: 0 4px 10px rgba(14, 165, 233, 0.15);
        }

        .primary-service-icon-box span {
            font-size: 2rem;
        }

        .primary-service-badge {
            background: rgba(14, 165, 233, 0.08);
            color: var(--color-primary);
            border: 1px solid rgba(14, 165, 233, 0.15);
            border-radius: 12px;
            padding: 2px 10px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            display: inline-block;
        }

        /* ═══════════════════════════════════════════════
           Bundle / Add-on Step — Premium Layout
           ═══════════════════════════════════════════════ */

        .bundle-scroll-area {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            gap: 1.75rem;
            max-height: 460px;
            overflow-y: auto;
            padding-right: 8px;
        }

        .bundle-scroll-area::-webkit-scrollbar { width: 5px; }
        .bundle-scroll-area::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }

        /* Section header with icon */
        .bundle-section {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .bundle-section-header {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }

        .bundle-section-icon {
            font-size: 1.5rem;
            color: var(--color-primary);
            background: rgba(14, 165, 233, 0.07);
            border-radius: 10px;
            padding: 8px;
            flex-shrink: 0;
        }

        .bundle-section-title {
            font-family: 'Outfit', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 4px 0;
            line-height: 1.3;
        }

        .bundle-section-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.45;
        }

        /* ── Card list container ── */
        .upsell-list-container {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
        }

        .upsell-list-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.15rem;
            border-bottom: 1px solid var(--border-color);
            transition: all 0.2s ease;
            gap: 0.75rem;
            cursor: pointer;
        }

        .upsell-list-row:last-child { border-bottom: none; }

        .upsell-list-row:hover {
            background: rgba(14, 165, 233, 0.025);
        }

        .upsell-list-row.active {
            background: rgba(14, 165, 233, 0.045);
            border-left: 3px solid var(--color-primary);
        }

        /* ── Left side: checkbox + icon + info ── */
        .upsell-row-left {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            min-width: 0;
        }

        .upsell-row-left .custom-checkbox-wrapper {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .upsell-row-left input[type="checkbox"] {
            width: 18px;
            height: 18px;
            accent-color: var(--color-primary);
            cursor: pointer;
        }

        .upsell-list-icon-box {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(0, 0, 0, 0.03);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: all 0.2s ease;
        }

        .upsell-list-row.active .upsell-list-icon-box {
            background: rgba(14, 165, 233, 0.1);
            color: var(--color-primary);
        }

        .upsell-row-info {
            flex: 1;
            min-width: 0;
            padding-right: 8px;
        }

        .upsell-row-title-row {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .upsell-list-title {
            font-weight: 600;
            font-size: 0.925rem;
            color: var(--text-main);
            line-height: 1.3;
        }

        /* ── Badges ── */
        .upsell-badge {
            font-size: 0.65rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 5px;
            border: 1px solid rgba(0, 0, 0, 0.07);
            background: rgba(0, 0, 0, 0.03);
            color: var(--text-muted);
            white-space: nowrap;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }

        .upsell-badge--accent {
            background: rgba(14, 165, 233, 0.08);
            color: var(--color-primary);
            border-color: rgba(14, 165, 233, 0.15);
        }

        .upsell-badge--premium {
            background: rgba(245, 158, 11, 0.1);
            color: #b45309;
            border-color: rgba(245, 158, 11, 0.2);
        }

        .upsell-badge--essential {
            background: rgba(16, 185, 129, 0.08);
            color: #047857;
            border-color: rgba(16, 185, 129, 0.15);
        }

        /* ── Description ── */
        .upsell-desc {
            display: block;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 3px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            line-height: 1.35;
        }

        /* ── Right side: stepper + price ── */
        .upsell-row-right {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .upsell-stepper-wrap {
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(0, 0, 0, 0.025);
            padding: 3px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        .upsell-list-stepper-btn {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            width: 28px;
            height: 28px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.15s ease;
            user-select: none;
        }

        .upsell-list-stepper-btn:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .upsell-list-stepper-val {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-main);
            min-width: 22px;
            text-align: center;
        }

        .bundle-manual-input {
            width: 72px;
            text-align: center;
            border: none;
            background: transparent;
            font-weight: 600;
            font-family: 'Outfit', sans-serif;
            color: var(--text-main);
            font-size: 0.9rem;
            outline: none;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 2px;
            margin: 0 6px;
        }

        .bundle-manual-input:focus {
            border-bottom-color: var(--color-primary);
        }

        /* ── Price block ── */
        .upsell-price-block {
            text-align: right;
            min-width: 75px;
        }

        .upsell-price-amount {
            font-family: 'Outfit', sans-serif;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-main);
            display: block;
            line-height: 1.3;
        }

        .upsell-price-unit {
            font-size: 0.68rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            display: block;
        }

        /* ── Empty state ── */
        .upsell-empty {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 2rem 1rem;
            color: var(--text-muted);
            font-size: 0.875rem;
        }

        .upsell-empty .material-icons {
            font-size: 1.25rem;
            opacity: 0.5;
        }

        /* ── Bottom summary banner ── */
        .bundle-summary-banner {
            margin-top: 1.5rem;
            padding: 1rem 1.25rem;
            background: linear-gradient(135deg, rgba(14, 165, 233, 0.04), rgba(14, 165, 233, 0.01));
            border: 1px solid rgba(14, 165, 233, 0.18);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .bundle-summary-left {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .bundle-summary-icon {
            color: var(--color-primary);
            font-size: 1.4rem;
        }

        .bundle-summary-info {
            display: flex;
            flex-direction: column;
        }

        .bundle-summary-label {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-main);
        }

        .bundle-summary-count {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .bundle-summary-right {
            display: flex;
            align-items: baseline;
            gap: 2px;
        }

        .bundle-summary-currency {
            font-family: 'Outfit', sans-serif;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            opacity: 0.7;
        }

        .bundle-summary-total {
            font-family: 'Outfit', sans-serif;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--color-primary);
        }

        /* Premium Receipt-style Estimate Sidebar */
        .estimate-sidebar {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem 1.50rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
            position: sticky;
            top: 90px;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .receipt-header {
            border-bottom: 2px dashed var(--border-color);
            padding-bottom: 1.25rem;
            text-align: center;
        }

        .receipt-header h3 {
            font-family: 'Outfit', sans-serif;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.5px;
            text-transform: uppercase;
        }

        .receipt-header p {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .receipt-section-title {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .receipt-items-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .receipt-item-row {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            font-size: 0.9rem;
            color: var(--text-muted);
            gap: 10px;
        }

        .receipt-item-name {
            font-weight: 600;
            color: var(--text-main);
            flex-grow: 1;
        }

        .receipt-item-desc {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: block;
            margin-top: 2px;
            font-weight: 500;
        }

        .receipt-item-price {
            font-family: 'Outfit', sans-serif;
            font-weight: 700;
            color: var(--text-main);
            text-align: right;
            white-space: nowrap;
        }

        .receipt-divider {
            border-top: 1px dashed var(--border-color);
            margin: 0.5rem 0;
        }

        /* Savings Box highlight */
        .receipt-savings-box {
            background: rgba(16, 185, 129, 0.05);
            border: 1px solid rgba(16, 185, 129, 0.15);
            border-radius: var(--radius-md);
            padding: 1rem;
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-top: 0.5rem;
        }

        .receipt-savings-header {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--color-success);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Payable card */
        .receipt-payable-card {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #ffffff;
            border-radius: var(--radius-md);
            padding: 1.25rem;
            box-shadow: 0 4px 15px rgba(15, 23, 42, 0.15);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .receipt-payable-label {
            font-size: 0.75rem;
            font-weight: 600;
            color: #94a3b8;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .receipt-payable-value {
            font-family: 'Outfit', sans-serif;
            font-size: 2rem;
            font-weight: 800;
            color: #38bdf8;
            text-shadow: 0 2px 10px rgba(56, 189, 248, 0.2);
            line-height: 1;
        }

        .receipt-payable-note {
            font-size: 0.7rem;
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 4px;
            margin-top: 2px;
        }

        /* E-commerce Upsell Cards Grid */
        .upsell-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.25rem;
            margin-bottom: 1.5rem;
            width: 100%;
        }

        .upsell-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.25rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
            overflow: hidden;
            min-height: 250px;
        }

        .upsell-card:hover {
            border-color: rgba(14, 165, 233, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .upsell-card.active {
            border-color: var(--color-primary);
            background: rgba(14, 165, 233, 0.02);
            box-shadow: 0 8px 25px rgba(14, 165, 233, 0.1);
        }

        .upsell-card-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            margin-bottom: 1rem;
        }

        .upsell-icon-box {
            width: 45px;
            height: 45px;
            background: rgba(14, 165, 233, 0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            transition: var(--transition);
        }

        .upsell-card.active .upsell-icon-box {
            background: var(--color-primary);
            color: white;
        }

        .upsell-badge {
            background: rgba(16, 185, 129, 0.08);
            color: var(--color-success);
            border: 1px solid rgba(16, 185, 129, 0.15);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 20px;
            text-transform: uppercase;
        }

        .upsell-card-body {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex-grow: 1;
            margin-bottom: 1rem;
        }

        .upsell-title {
            font-family: 'Outfit', sans-serif;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
        }

        .upsell-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .upsell-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-color);
            padding-top: 0.75rem;
            margin-top: auto;
        }

        .upsell-price {
            display: flex;
            flex-direction: column;
        }

        .upsell-price-value {
            font-size: 1.15rem;
            font-family: 'Outfit', sans-serif;
            font-weight: 800;
            color: var(--text-main);
        }

        .upsell-price-unit {
            font-size: 0.7rem;
            color: var(--text-muted);
            font-weight: 600;
            text-transform: uppercase;
        }

        .upsell-btn {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            padding: 0.5rem 1rem;
            border-radius: var(--radius-md);
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .upsell-btn:hover {
            background: var(--color-primary);
            color: white;
            border-color: var(--color-primary);
        }

        .upsell-card.active .upsell-btn-add {
            display: none;
        }

        .upsell-stepper {
            display: none;
            align-items: center;
            gap: 8px;
            background: rgba(14, 165, 233, 0.08);
            border: 1px solid rgba(14, 165, 233, 0.15);
            padding: 2px;
            border-radius: 20px;
        }

        .upsell-card.active .upsell-stepper {
            display: flex;
        }

        .upsell-stepper-btn {
            width: 26px;
            height: 26px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .upsell-stepper-btn:hover {
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .upsell-stepper-val {
            font-size: 0.85rem;
            font-weight: 800;
            min-width: 18px;
            text-align: center;
            color: var(--color-primary);
        }

        /* Benefit Item Grid — non-selectable display cards */
        .benefit-card {
            background: linear-gradient(135deg, rgba(14,165,233,0.03) 0%, rgba(255,255,255,1) 100%);
            border: 1px solid rgba(14, 165, 233, 0.18);
            border-radius: var(--radius-lg);
            padding: 1.1rem 1.25rem;
            cursor: default;
            display: flex;
            gap: 12px;
            align-items: flex-start;
            box-shadow: 0 1px 3px rgba(14,165,233,0.04);
            pointer-events: none;
            user-select: none;
        }

        .benefit-shield {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), #38bdf8);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 1px;
            box-shadow: 0 2px 6px rgba(14,165,233,0.25);
        }

        .benefit-info {
            display: flex;
            flex-direction: column;
            gap: 3px;
        }

        .benefit-title {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .benefit-desc {
            font-size: 0.74rem;
            color: var(--text-muted);
            line-height: 1.35;
        }

        .benefit-reward {
            color: var(--color-success);
            font-weight: 700;
            font-size: 0.8rem;
            margin-top: 2px;
        }

        /* Reward Item Grid */
        .reward-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.25rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            gap: 12px;
            align-items: flex-start;
            box-shadow: 0 1px 3px rgba(0,0,0,0.01);
        }
        .reward-card:hover {
            border-color: rgba(16, 185, 129, 0.3);
            background: #f8fafc;
        }
        .reward-card.active {
            border-color: var(--color-success);
            background: rgba(16, 185, 129, 0.03);
        }
        .reward-checkbox {
            width: 20px;
            height: 20px;
            border-radius: 4px;
            border: 2px solid var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 0.8rem;
            flex-shrink: 0;
            margin-top: 2px;
            transition: var(--transition);
        }
        .reward-card.active .reward-checkbox {
            background: var(--color-success);
            border-color: var(--color-success);
        }
        .reward-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .reward-title {
            font-size: 0.9rem;
            font-weight: 700;
        }
        .reward-desc {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.3;
        }
        .reward-amount {
            color: var(--color-success);
            font-weight: 700;
            font-size: 0.8rem;
            margin-top: 2px;
        }

        /* Step 9 Coupon Box */
        .coupon-box {
            display: flex;
            gap: 10px;
            margin-top: 1rem;
        }

        /* Summary item details */
        .summary-card {
            background: #f8fafc;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            margin-bottom: 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        @media (max-width: 600px) {
            .summary-card {
                grid-template-columns: 1fr;
            }
        }

        .summary-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .summary-item label {
            font-size: 0.75rem;
            text-transform: uppercase;
            color: var(--text-muted);
            font-weight: 600;
        }

        .summary-item span {
            font-size: 1rem;
            font-weight: 600;
        }

        .success-checkmark {
            text-align: center;
            margin: 2rem 0;
        }

        .success-icon {
            font-size: 5rem;
            color: var(--color-success);
            animation: scaleIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        @keyframes scaleIn {
            from { transform: scale(0); opacity: 0; }
            to { transform: scale(1); opacity: 1; }
        }

        .success-code {
            font-size: 2rem;
            font-family: 'Outfit', sans-serif;
            font-weight: 800;
            color: var(--color-primary);
            text-align: center;
            margin-bottom: 1.5rem;
            letter-spacing: 1px;
        }

        /* Premium Cart redone style (Step 6) */
        .cart-premium-wrapper {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 2rem;
            align-items: stretch;
            margin-top: 1rem;
            width: 100%;
        }

        @media (max-width: 850px) {
            .cart-premium-wrapper {
                grid-template-columns: 1fr;
            }
        }

        .cart-product-card {
            background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            position: relative;
        }

        .cart-product-badge-wrapper {
            display: flex;
        }

        .cart-product-badge {
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border: 1px solid transparent;
        }

        .cart-product-badge.hair-transplants {
            background: rgba(239, 68, 68, 0.08);
            color: var(--color-danger);
            border-color: rgba(239, 68, 68, 0.15);
        }

        .cart-product-badge.hair-treatments {
            background: rgba(16, 185, 129, 0.08);
            color: var(--color-success);
            border-color: rgba(16, 185, 129, 0.15);
        }

        .cart-product-badge.products {
            background: rgba(14, 165, 233, 0.08);
            color: var(--color-primary);
            border-color: rgba(14, 165, 233, 0.15);
        }

        .cart-product-main {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .cart-product-icon-glow {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            transition: var(--transition);
        }

        .cart-product-icon-glow.hair-transplants {
            background: rgba(239, 68, 68, 0.08);
            color: var(--color-danger);
        }

        .cart-product-icon-glow.hair-treatments {
            background: rgba(16, 185, 129, 0.08);
            color: var(--color-success);
        }

        .cart-product-icon-glow.products {
            background: rgba(14, 165, 233, 0.08);
            color: var(--color-primary);
        }

        .cart-product-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .cart-product-title {
            font-family: 'Outfit', sans-serif;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-main);
        }

        .cart-product-tier {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .cart-product-desc-section {
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 1.25rem 0;
        }

        .cart-product-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .cart-product-pricing-footer {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-top: auto;
        }

        .cart-price-rate {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .rate-label, .subtotal-label {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .rate-value {
            font-size: 1.2rem;
            font-family: 'Outfit', sans-serif;
            font-weight: 700;
            color: var(--text-main);
        }

        .rate-value small {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .cart-price-subtotal {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 2px;
        }

        .subtotal-value {
            font-size: 1.6rem;
            font-family: 'Outfit', sans-serif;
            font-weight: 800;
            color: var(--color-primary);
            text-shadow: 0 2px 8px rgba(14, 165, 233, 0.1);
        }

        .subtotal-quantity-details {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        /* Right control card styling */
        .cart-control-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.01);
        }

        .slider-container-premium, .stepper-container-premium {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            width: 100%;
        }

        .slider-header-premium, .stepper-header-premium {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .control-label {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .slider-value-glowing {
            font-size: 2.2rem;
            font-family: 'Outfit', sans-serif;
            font-weight: 800;
            color: var(--color-primary);
            text-shadow: 0 0 10px rgba(14, 165, 233, 0.15);
        }

        .slider-wrapper-premium {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .slider-range-input-premium {
            width: 100%;
            height: 8px;
            background: #e2e8f0;
            border-radius: 4px;
            outline: none;
            -webkit-appearance: none;
        }

        .slider-range-input-premium::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: 50%;
            cursor: pointer;
            box-shadow: 0 0 8px rgba(14, 165, 233, 0.35);
            transition: transform 0.1s;
        }

        .slider-range-input-premium::-webkit-slider-thumb:hover {
            transform: scale(1.2);
        }

        .slider-limits-premium {
            display: flex;
            justify-content: space-between;
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .manual-input-box-premium {
            border-top: 1px dashed var(--border-color);
            padding-top: 1.25rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .manual-label-premium {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 700;
            text-align: center;
            letter-spacing: 0.5px;
        }

        .manual-input-wrapper {
            position: relative;
            width: 170px;
            margin: 0 auto;
        }

        .manual-control-premium {
            width: 100%;
            padding: 0.65rem 3.5rem 0.65rem 1rem;
            text-align: center;
            font-weight: 700;
            font-size: 1.15rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background: #f8fafc;
            color: var(--text-main);
            transition: var(--transition);
        }

        .manual-control-premium:focus {
            outline: none;
            border-color: var(--border-focus);
            box-shadow: 0 0 10px rgba(14, 165, 233, 0.15);
            background: #ffffff;
        }

        .manual-unit-badge {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
        }

        .additional-stats-premium {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            border-top: 1px solid var(--border-color);
            padding-top: 1.25rem;
        }

        .stat-box-premium {
            background: #f8fafc;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 0.75rem;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }

        .stat-box-premium:hover {
            border-color: rgba(14, 165, 233, 0.2);
            background: rgba(14, 165, 233, 0.01);
        }

        .stat-icon-wrapper {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(14, 165, 233, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
        }

        .stat-icon-wrapper .material-icons {
            font-size: 1.1rem;
        }

        .stat-info {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .stat-label {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
        }

        .stat-value {
            font-family: 'Outfit', sans-serif;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-secondary);
        }

        /* Stepper Redesign */
        .stepper-control-premium {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
        }

        .stepper-btn-premium {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            background: #ffffff;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 6px rgba(0,0,0,0.03);
            transition: var(--transition);
        }

        .stepper-btn-premium:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(14, 165, 233, 0.05);
            transform: scale(1.05);
        }

        .stepper-btn-premium:active {
            transform: scale(0.95);
        }

        .stepper-btn-premium .material-icons {
            font-size: 1.25rem;
        }

        .stepper-value-glowing {
            font-size: 3rem;
            font-family: 'Outfit', sans-serif;
            font-weight: 800;
            color: var(--text-main);
            min-width: 70px;
            text-align: center;
        }

        .stepper-tip-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(14, 165, 233, 0.05);
            border: 1px solid rgba(14, 165, 233, 0.1);
            border-radius: var(--radius-md);
            padding: 0.75rem 1rem;
            justify-content: center;
        }

        .tip-icon {
            font-size: 1.1rem;
            color: var(--color-primary);
        }

        .stepper-tip-box p {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-muted);
        }