:root {
            --primary-green: #7FB69E;
            --primary-peach: #F4D19B;
            --dark-gray: #4A4A4A;
            --light-bg: #F8F9FA;
            --white: #FFFFFF;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--light-bg);
            color: var(--dark-gray);
            min-height: 100vh;
        }

        /* Container do logotipo com espaçamento reduzido */
        .logo-container {
            padding: 0.25rem;
            background-color: #F8F9FA;
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 0.5rem; /* Espaçamento reduzido entre logo e conteúdo */
        }

        .logo {
            height: 120px; /* Reduzido de 200px para economizar espaço em mobile */
            width: auto;
        }

        /* Container principal com espaçamento reduzido */
        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0.5rem;
        }

        /* Tela de upload com espaçamento otimizado */
        .upload-screen {
            text-align: center;
            padding: 1rem 0.5rem;
        }

        .upload-screen h1 {
            font-size: 2rem;
            font-weight: 600;
            color: var(--dark-gray);
            margin-bottom: 0.5rem; /* Espaçamento reduzido */
        }

        .upload-screen p {
            color: #6c757d;
            font-size: 1.1rem;
            margin-bottom: 1.5rem; /* Espaçamento reduzido */
        }

        /* Área de upload com padding reduzido e animações suaves */
        .upload-area {
            max-width: 600px;
            margin: 0 auto;
            padding: 2rem 1rem; /* Padding reduzido para economizar espaço */
            border: 3px dashed var(--primary-green);
            border-radius: 20px;
            background-color: var(--white);
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .upload-area:hover {
            border-color: var(--primary-peach);
            background-color: #fafafa;
        }

        .upload-area.dragover {
            border-color: var(--primary-peach);
            background-color: #fff8f0;
        }

        .camera-icon {
            width: 80px;
            height: 80px;
            background-color: var(--primary-peach);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
        }

        .camera-icon svg {
            width: 40px;
            height: 40px;
            fill: var(--primary-green);
        }

        .upload-area h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--dark-gray);
            margin-bottom: 0.5rem;
        }

        .upload-area p {
            color: #6c757d;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }

        /* Estilo base para os botões de upload */
        .btn-upload {
            background-color: var(--primary-green);
            color: var(--white);
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .btn-upload:hover {
            background-color: #6fa088;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(127, 182, 158, 0.3);
        }

        /* Botão específico para mobile - Inicialmente oculto, será mostrado via JavaScript */
        .btn-mobile {
            display: none;
        }

        /* Botão específico para desktop - Inicialmente oculto, será mostrado via JavaScript */
        .btn-desktop {
            display: none;
        }

        /* Tagline com espaçamento reduzido */
        .tagline {
            margin-top: 1.5rem; /* Espaçamento reduzido */
            color: #6c757d;
            font-size: 0.95rem;
        }

        .loading-screen {
            display: none;
            text-align: center;
            padding: 5rem 1rem;
        }

        .spinner {
            width: 60px;
            height: 60px;
            border: 4px solid var(--primary-peach);
            border-top: 4px solid var(--primary-green);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 2rem;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .loading-screen h2 {
            font-size: 1.5rem;
            color: var(--dark-gray);
            margin-bottom: 0.5rem;
        }

        .loading-screen p {
            color: #6c757d;
        }

        .results-screen {
            display: none;
        }

        .back-button {
            background: none;
            border: none;
            color: var(--dark-gray);
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem;
            margin-bottom: 2rem;
            transition: color 0.3s ease;
        }

        .back-button:hover {
            color: var(--primary-green);
        }

        .results-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        @media (min-width: 768px) {
            .results-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .food-image-card {
            background-color: var(--white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }

        .food-image-card img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        .calories-card {
            background: linear-gradient(135deg, var(--primary-green) 0%, #6fa088 100%);
            color: var(--white);
            padding: 2rem;
            border-radius: 20px;
            box-shadow: 0 4px 12px rgba(127, 182, 158, 0.3);
        }

        .calories-card .label {
            font-size: 0.9rem;
            opacity: 0.9;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .calories-card h2 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .calories-card .unit {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 1rem;
        }

        .calories-card .description {
            font-size: 0.95rem;
            line-height: 1.5;
            opacity: 0.95;
        }

        .macros-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .macro-card {
            background-color: var(--white);
            padding: 1.5rem;
            border-radius: 15px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }

        .macro-card .icon {
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }

        .macro-card .label {
            font-size: 0.9rem;
            color: #6c757d;
            margin-bottom: 0.5rem;
        }

        .macro-card .value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-green);
        }

        .details-card {
            background-color: var(--white);
            padding: 2rem;
            border-radius: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 2rem;
        }

        .details-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--dark-gray);
            margin-bottom: 1.5rem;
        }

        .details-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }

        .detail-item .label {
            font-size: 0.9rem;
            color: #6c757d;
            margin-bottom: 0.25rem;
        }

        .detail-item .value {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--dark-gray);
        }

        .ingredients-card {
            background-color: var(--white);
            padding: 2rem;
            border-radius: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            margin-bottom: 2rem;
        }

        .ingredients-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--dark-gray);
            margin-bottom: 1.5rem;
        }

        .ingredient-item {
            background-color: var(--light-bg);
            padding: 1.5rem;
            border-radius: 15px;
            margin-bottom: 1rem;
        }

        .ingredient-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }

        .ingredient-name {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--dark-gray);
        }

        .ingredient-quantity {
            background-color: var(--primary-peach);
            color: var(--dark-gray);
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .ingredient-nutrition {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem;
        }

        .nutrition-item {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
        }

        .nutrition-label {
            color: #6c757d;
        }

        .nutrition-value {
            font-weight: 600;
            color: var(--dark-gray);
        }

        .warning-card {
            background-color: #fff8e6;
            border-left: 4px solid var(--primary-peach);
            padding: 1rem 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
        }

        .warning-card p {
            margin: 0;
            color: var(--dark-gray);
            font-size: 0.9rem;
        }

        .btn-new-analysis {
            background-color: var(--primary-green);
            color: var(--white);
            border: none;
            padding: 0.75rem 2rem;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            display: block;
            margin: 0 auto;
        }

        .btn-new-analysis:hover {
            background-color: #6fa088;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(127, 182, 158, 0.3);
        }

        #fileInput {
            display: none;
        }

        /* Detecção de dispositivo e otimizações para mobile */
        @media (max-width: 768px) {
            /* Reduz ainda mais o logotipo em mobile */
            .logo {
                height: 100px;
            }

            /* Reduz espaçamento do container do logo em mobile */
            .logo-container {
                padding: 0.25rem;
                margin-bottom: 0.25rem;
            }

            /* Reduz espaçamento do container principal em mobile */
            .main-container {
                padding: 0.25rem;
            }

            /* Otimiza tela de upload para mobile */
            .upload-screen {
                padding: 0.5rem 0.25rem;
            }

            .upload-screen h1 {
                font-size: 1.5rem;
                margin-bottom: 0.5rem;
            }

            .upload-screen p {
                font-size: 0.95rem;
                margin-bottom: 1rem;
            }

            /* Reduz padding da área de upload em mobile */
            .upload-area {
                padding: 1.5rem 1rem;
            }

            /* Otimiza cards de calorias para mobile */
            .calories-card h2 {
                font-size: 2.5rem;
            }

            /* Layout de uma coluna para nutrição dos ingredientes em mobile */
            .ingredient-nutrition {
                grid-template-columns: 1fr;
            }

            /* Reduz espaçamento da tagline em mobile */
            .tagline {
                margin-top: 1rem;
                font-size: 0.85rem;
            }
        }