:root {
            --primary-color: #4CAF50;
            --primary-dark: #3b8a3e;
            --primary-light: #81c784;
            --secondary-color: #2196F3;
            --secondary-dark: #1976d2;
            --secondary-light: #64b5f6;
            --text-light: #f8f9fa;
            --text-dark: #343a40;
            --background-light: #ffffff;
            --background-dark: #f5f5f5;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--background-light);
            color: var(--text-dark);
            overflow-x: hidden;
        }

        .hero-pattern {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cpath fill='%234CAF50' fill-opacity='0.1' d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z'%3E%3C/path%3E%3C/svg%3E");
        }

        .app-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
            position: relative;
        }

        .header-icon {
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 300px;
            opacity: 0.1;
            z-index: -1;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: white;
            padding: 0.5rem 1.5rem;
            border-radius: 0.375rem;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .btn-secondary {
            background-color: var(--secondary-color);
            color: white;
            padding: 0.5rem 1.5rem;
            border-radius: 0.375rem;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }

        .btn-secondary:hover {
            background-color: var(--secondary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .card {
            background-color: white;
            border-radius: 0.5rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        }

        .input-group {
            margin-bottom: 1rem;
        }

        .form-control {
            width: 100%;
            padding: 0.5rem;
            border: 1px solid #e2e8f0;
            border-radius: 0.375rem;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
        }

        .results-container {
            background-color: var(--background-dark);
            border-radius: 0.5rem;
            padding: 1.5rem;
            margin-top: 2rem;
        }

        .result-item {
            display: flex;
            justify-content: space-between;
            padding: 0.75rem 0;
            border-bottom: 1px solid #e2e8f0;
        }

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

        .chart-container {
            height: 400px;
            margin: 2rem 0;
        }

        /* Timeline styles */
        .timeline {
            position: relative;
            margin: 3rem 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 4px;
            background-color: var(--primary-color);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 2rem;
        }

        .timeline-content {
            position: relative;
            width: 45%;
            padding: 1.5rem;
            border-radius: 0.5rem;
            background-color: white;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .timeline-item:nth-child(odd) .timeline-content {
            margin-left: auto;
        }

        .timeline-item:nth-child(odd)::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 45%;
            width: 20px;
            height: 20px;
            background-color: var(--secondary-color);
            border-radius: 50%;
            transform: translateX(-50%);
        }

        .timeline-item:nth-child(even)::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 55%;
            width: 20px;
            height: 20px;
            background-color: var(--primary-color);
            border-radius: 50%;
            transform: translateX(-50%);
        }

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

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in {
            animation: fadeIn 1s ease-out forwards;
            opacity: 0;
        }

        .delay-100 {
            animation-delay: 0.1s;
        }

        .delay-200 {
            animation-delay: 0.2s;
        }

        .delay-300 {
            animation-delay: 0.3s;
        }

        .delay-400 {
            animation-delay: 0.4s;
        }

        .delay-500 {
            animation-delay: 0.5s;
        }

        /* Vector graphics */
        .nutrition-icon {
            width: 64px;
            height: 64px;
            fill: var(--primary-color);
            transition: transform 0.3s;
        }

        .nutrition-icon:hover {
            transform: scale(1.1);
        }

        /* Nutrient timing visualization */
        .nutrient-timing {
            display: flex;
            margin: 2rem 0;
            overflow: hidden;
            border-radius: 0.5rem;
        }

        .timing-bar {
            height: 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: white;
            font-size: 0.875rem;
            font-weight: 600;
            position: relative;
            overflow: hidden;
            transition: width 1s;
        }

        .pulse {
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% {
                transform: scale(1);
            }

            50% {
                transform: scale(1.05);
            }

            100% {
                transform: scale(1);
            }
        }

        .rotate-icon {
            animation: rotate 10s linear infinite;
        }

        @keyframes rotate {
            from {
                transform: rotate(0deg);
            }

            to {
                transform: rotate(360deg);
            }
        }

        /* Table style */
        .nutrition-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }

        .nutrition-table th,
        .nutrition-table td {
            padding: 0.75rem;
            border: 1px solid #e2e8f0;
            text-align: left;
        }

        .nutrition-table thead {
            background-color: var(--primary-light);
            color: white;
        }

        .nutrition-table tbody tr:nth-child(even) {
            background-color: #f8f9fa;
        }

        /* Progress indicator */
        .progress-container {
            width: 100%;
            height: 8px;
            background-color: #e2e8f0;
            border-radius: 4px;
            margin: 1rem 0;
        }

        .progress-bar {
            height: 100%;
            background-color: var(--primary-color);
            border-radius: 4px;
            transition: width 0.5s ease-out;
            width: 0;
        }

        /* Custom number input styling */
        input[type="number"]::-webkit-inner-spin-button,
        input[type="number"]::-webkit-outer-spin-button {
            -webkit-appearance: none;
            margin: 0;
        }

        input[type="number"] {
            -moz-appearance: textfield;
        }

        /* Tooltip */
        .tooltip {
            position: relative;
            display: inline-block;
        }

        .tooltip .tooltip-text {
            visibility: hidden;
            width: 200px;
            background-color: var(--text-dark);
            color: var(--text-light);
            text-align: center;
            border-radius: 6px;
            padding: 5px;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            margin-left: -100px;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .tooltip .tooltip-text::after {
            content: "";
            position: absolute;
            top: 100%;
            left: 50%;
            margin-left: -5px;
            border-width: 5px;
            border-style: solid;
            border-color: var(--text-dark) transparent transparent transparent;
        }

        .tooltip:hover .tooltip-text {
            visibility: visible;
            opacity: 1;
        }