/* 1. Variáveis Globais e Reset */
        :root {
            --color-primary: #007bff;
            --color-primary-dark: #0056b3;
            --color-primary-light: #e6f2ff;
            
            --color-success: #28a745;
            --color-success-light: #e2f5e7;
            
            --color-danger: #dc3545;
            --color-danger-light: #fdecea;
            
            --color-warning: #ffc107;
            --color-warning-light: #fff8e1;

            --color-grey-light: #f8f9fa;
            --color-grey-medium: #dee2e6;
            --color-grey-dark: #6c757d;
            --color-text: #212529;
            --color-white: #ffffff;
            
            --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --border-radius: 0.5rem;
            --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            --footer-height: 120px; /* Altura base do rodapé */
        }

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

        html, body {
            height: 100%;
            font-family: var(--font-family-sans);
            color: var(--color-text);
            background-color: var(--color-grey-light);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        /* 2. Estilos do Logo (NOVO) */
        .site-logo-login {
            height: 50px; /* Altura pequena */
            width: auto;
            margin-bottom: 1rem; /* Espaço abaixo da logo */
            opacity: 0.9;
        }

        .site-logo-app {
            display: block;
            height: 40px; /* Altura pequena e discreta */
            width: auto;
            margin: 0 auto 1.5rem auto; /* Centraliza e dá espaço abaixo */
            opacity: 0.8; /* Torna mais discreta */
        }

        /* 2. Utilitários */
        .hidden {
            display: none !important;
        }

        .container {
            max-width: 900px;
            margin: 0 auto;
            padding: 1.5rem;
        }

        /* 3. Ecrã de Login */
        #login-container {
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            background-color: var(--color-primary);
        }

        .login-card {
            background: var(--color-white);
            padding: 2.5rem 2rem;
            border-radius: var(--border-radius);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            width: 100%;
            max-width: 400px;
            text-align: center;
        }
        .login-card h1 {
            color: var(--color-primary-dark);
            margin-bottom: 1.5rem;
        }
        #login-error {
            color: var(--color-danger);
            background-color: var(--color-danger-light);
            border: 1px solid var(--color-danger);
            border-radius: var(--border-radius);
            padding: 0.75rem;
            margin-top: 1rem;
            text-align: left;
        }

        /* 4. Estrutura Principal da App */
        #app-container {
            /* Deixa espaço para o rodapé fixo */
            /* A altura do rodapé pode variar, então usamos padding */
            padding-bottom: 160px; 
        }

        .screen-container {
            padding-top: 1.5rem;
        }
        
        .screen-container h2 {
            color: var(--color-primary-dark);
            border-bottom: 2px solid var(--color-grey-medium);
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }

        .card {
            background: var(--color-white);
            border-radius: var(--border-radius);
            border: 1px solid var(--color-grey-medium);
            box-shadow: var(--box-shadow);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .card-header {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary-dark);
            margin-bottom: 1rem;
        }

        /* 5. Componentes de Formulário */
        .form-group {
            margin-bottom: 1.25rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .form-group input[type="text"],
        .form-group input[type="password"],
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 0.75rem;
            font-size: 1rem;
            border: 1px solid var(--color-grey-medium);
            border-radius: var(--border-radius);
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .form-group input:focus, 
        .form-group select:focus, 
        .form-group textarea:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px var(--color-primary-light);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }

        /* Botões */
        .btn {
            display: inline-block;
            font-size: 1rem;
            font-weight: 600;
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            text-align: center;
            text-decoration: none;
            transition: background-color 0.2s, box-shadow 0.2s;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--color-primary);
            color: var(--color-white);
        }
        .btn-primary:hover {
            background-color: var(--color-primary-dark);
        }
        .btn-secondary {
            background-color: var(--color-grey-dark);
            color: var(--color-white);
        }
        .btn-secondary:hover {
            background-color: #5a6268;
        }
        .btn-success {
            background-color: var(--color-success);
            color: var(--color-white);
        }
        .btn-success:hover {
            background-color: #218838;
        }
        .btn-danger {
            background-color: var(--color-danger);
            color: var(--color-white);
        }
        .btn-danger:hover {
            background-color: #c82333;
        }
        .btn-warning {
            background-color: var(--color-warning);
            color: var(--color-text);
        }
        .btn-warning:hover {
            background-color: #e0a800;
        }
        .btn-outline {
            background-color: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-outline:hover {
            background-color: var(--color-primary);
            color: var(--color-white);
        }
        .btn-icon {
            padding: 0.5rem 0.75rem;
            font-size: 1.2rem;
            line-height: 1;
        }

        /* Toggle Switch (Etapa 1) */
        .toggle-switch {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--color-grey-light);
            padding: 1rem;
            border-radius: var(--border-radius);
            border: 1px solid var(--color-grey-medium);
        }
        .switch {
            position: relative;
            display: inline-block;
            width: 50px;
            height: 28px;
        }
        .switch input { display: none; }
        .slider {
            position: absolute;
            cursor: pointer;
            top: 0; left: 0; right: 0; bottom: 0;
            background-color: var(--color-grey-medium);
            transition: .4s;
            border-radius: 28px;
        }
        .slider:before {
            position: absolute;
            content: "";
            height: 20px;
            width: 20px;
            left: 4px;
            bottom: 4px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }
        input:checked + .slider {
            background-color: var(--color-primary);
        }
        input:checked + .slider:before {
            transform: translateX(22px);
        }
        
        /* 6. Ecrã 2: Avaliação de Leitura */
        #etapa2-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: 1.5rem;
            padding: 1rem;
            background: var(--color-primary-light);
            border-radius: var(--border-radius);
        }
        #fase-info {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--color-primary-dark);
        }
        #etapa2-aviso {
            font-style: italic;
            color: var(--color-grey-dark);
            margin-top: 0.5rem;
        }

        #texto-container {
            font-size: 1.8rem; /* Tamanho de fonte maior para leitura */
            line-height: 2.5;
            padding: 1rem;
            background: var(--color-white);
            border: 1px solid var(--color-grey-medium);
            border-radius: var(--border-radius);
            user-select: none;
            -webkit-user-select: none;
        }
        #texto-container.fase-inativa {
            color: var(--color-grey-dark);
            background-color: var(--color-grey-light);
            cursor: not-allowed;
        }

        #texto-container span {
            padding: 0.2rem 0.1rem;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.2s, color 0.2s;
        }
        #texto-container span:hover {
            background-color: var(--color-primary-light);
        }

        /* Nova classe .correct-word */
        #texto-container span.correct-word {
            background-color: var(--color-success-light);
            color: #155724; /* Texto mais escuro para contraste */
            border-bottom: 2px solid var(--color-success);
        }
        #texto-container.fase-inativa span.correct-word {
             background-color: var(--color-success-light);
             color: #155724;
             border-bottom: none;
        }
        #texto-container.fase-inativa span {
            cursor: not-allowed;
        }
        #texto-container.fase-inativa span:hover {
            background-color: transparent;
        }


        /* 7. Ecrã 3: Diagnóstico */
        .diag-summary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        .diag-summary-card {
            border: 1px solid var(--color-grey-medium);
            border-radius: var(--border-radius);
            padding: 1rem;
            background: var(--color-white);
        }
        .diag-summary-card h4 {
            color: var(--color-primary-dark);
            margin-bottom: 0.5rem;
        }
        .diag-summary-card p {
            margin-bottom: 0.25rem;
        }
        .diag-summary-card strong {
            font-size: 1.2rem;
            color: var(--color-primary);
        }

        .diag-radio-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .diag-radio-label {
            display: block;
            background: var(--color-white);
            border: 1px solid var(--color-grey-medium);
            border-radius: var(--border-radius);
            padding: 1rem 1.25rem;
            cursor: pointer;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
        .diag-radio-label:hover {
            border-color: var(--color-primary-dark);
        }
        .diag-radio-label input {
            margin-right: 0.75rem;
            transform: scale(1.2);
        }
        .diag-radio-label strong {
            color: var(--color-primary-dark);
        }
        .diag-radio-label p {
            font-size: 0.9rem;
            color: var(--color-grey-dark);
            margin-left: 1.75rem;
        }

        #diag-classificacao-container {
            margin-top: 1.5rem;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            background-color: var(--color-success-light);
            border: 1px solid var(--color-success);
            text-align: center;
        }
        #diag-classificacao-container h3 {
            color: #155724;
            margin-bottom: 0.5rem;
        }
        #diag-classificacao-final {
            font-size: 1.5rem;
            font-weight: 700;
            color: #155724;
        }

        /* 8. Ecrã 4: Relatório Final */
        #etapa4-controles {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 1.5rem;
        }

        .relatorio-section {
            margin-bottom: 2rem;
        }
        .relatorio-section h3 {
            color: var(--color-primary-dark);
            border-bottom: 2px solid var(--color-grey-medium);
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .relatorio-dados-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
        }
        .relatorio-dado-item p {
            margin-bottom: 0.25rem;
        }
        .relatorio-dado-item .label {
            font-weight: 600;
            color: var(--color-grey-dark);
        }
        .relatorio-dado-item .value {
            font-size: 1.1rem;
            font-weight: 500;
        }
        
        .relatorio-tabela-wrapper {
            overflow-x: auto;
        }
        .relatorio-tabela {
            width: 100%;
            border-collapse: collapse;
            margin-top: 1rem;
        }
        .relatorio-tabela th, .relatorio-tabela td {
            border: 1px solid var(--color-grey-medium);
            padding: 0.75rem 1rem;
            text-align: left;
        }
        .relatorio-tabela th {
            background-color: var(--color-grey-light);
            font-weight: 600;
        }
        .relatorio-tabela td {
            background-color: var(--color-white);
        }
        .relatorio-tabela audio {
            width: 100%;
            min-width: 250px;
            height: 40px;
        }

        .relatorio-diagnostico {
            background: var(--color-primary-light);
            border: 1px solid var(--color-primary);
            border-radius: var(--border-radius);
            padding: 1.5rem;
        }
        .relatorio-diagnostico .label {
            font-weight: 600;
            color: var(--color-primary-dark);
        }
        .relatorio-diagnostico .value {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary);
        }
        .relatorio-diagnostico .obs-label {
            margin-top: 1rem;
        }
        .relatorio-diagnostico .obs-value {
            font-style: italic;
            background: var(--color-white);
            padding: 0.75rem;
            border-radius: var(--border-radius);
            display: block;
            margin-top: 0.5rem;
            white-space: pre-wrap;
        }

        /* 9. Rodapé Fixo */
        #fixed-footer {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: var(--color-white);
            border-top: 1px solid var(--color-grey-medium);
            box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
            z-index: 1000;
            transition: transform 0.3s ease-in-out;
        }
        #fixed-footer.focus-mode {
            /* Esconde o rodapé no modo foco */
            transform: translateY(100%);
        }

        /* Linha 1: Navegação */
        .nav-bar-footer {
            display: flex;
            justify-content: space-around;
            border-bottom: 1px solid var(--color-grey-medium);
            background-color: var(--color-grey-light);
        }
        .nav-step {
            flex: 1;
            text-align: center;
            padding: 0.75rem 0.5rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-grey-dark);
            border-bottom: 4px solid transparent;
            cursor: not-allowed;
            position: relative;
        }
        .nav-step.completed {
            cursor: pointer;
            color: var(--color-primary);
        }
        .nav-step.completed:hover {
            background-color: var(--color-primary-light);
        }
        .nav-step.active {
            color: var(--color-primary-dark);
            border-bottom-color: var(--color-primary);
        }
        @media (min-width: 600px) {
            .nav-step {
                font-size: 0.9rem;
            }
        }

        /* Linha 2: Controles Contextuais */
        .footer-controls {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.75rem 1rem;
            min-height: 58px; /* Altura consistente */
        }
        /* Botão de Modo Foco (sempre visível na Etapa 2) */
        #focus-mode-btn-footer {
            position: absolute;
            top: -50px; /* Acima do rodapé */
            right: 1rem;
            z-index: 999;
            border: none;
            box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
        }
        /* Mostrar o botão de "Sair do Foco" quando em modo foco */
        #fixed-footer.focus-mode #focus-mode-btn-footer {
            transform: translateY(100%);
        }

        /* Linha 3: Status da Etapa 2 */
        #footer-etapa2-status {
            display: flex;
            justify-content: space-around;
            align-items: center;
            background: var(--color-primary-dark);
            color: var(--color-white);
            padding: 0.5rem 1rem;
            text-align: center;
        }
        .status-item {
            flex: 1;
        }
        .status-item .label {
            font-size: 0.8rem;
            opacity: 0.8;
        }
        .status-item .value {
            font-size: 1.25rem;
            font-weight: 700;
        }
        /* Status de gravação */
        #audio-status-footer .value {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            color: var(--color-grey-light);
        }
        #audio-status-footer .rec-dot {
            display: inline-block;
            width: 12px;
            height: 12px;
            background-color: var(--color-danger);
            border-radius: 50%;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.3; }
            100% { opacity: 1; }
        }


        /* 10. Modal de Alerta */
        #modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2000;
        }
        .modal-content {
            background: var(--color-white);
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
            width: 90%;
            max-width: 450px;
            text-align: center;
        }
        .modal-content h3 {
            color: var(--color-primary-dark);
            margin-bottom: 1rem;
        }
        .modal-content p {
            margin-bottom: 1.5rem;
        }
        .modal-buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
        }

        /* 11. Impressão */
        @media print {
            body {
                background-color: var(--color-white);
                color: #000;
            }
            #app-container {
                padding-bottom: 0;
            }
            #fixed-footer, 
            #etapa4-controles, 
            .screen-container h2,
            .relatorio-section h3,
            .site-logo-app { /* Esconde logo na impressão */
                display: none;
            }
            .screen-container, .card {
                box-shadow: none;
                border: none;
                padding: 0;
                margin: 0;
            }
            /* Garante que apenas o relatório seja impresso */
            .screen-container:not(#etapa4) {
                display: none;
            }
            #etapa4 {
                display: block !important;
            }
            .relatorio-tabela {
                font-size: 10pt;
            }
            .relatorio-tabela th, .relatorio-tabela td {
                padding: 0.5rem;
            }
            .relatorio-tabela audio {
                display: none; /* Oculta player de áudio na impressão */
            }
            .relatorio-diagnostico {
                background: #eef;
                border: 1px solid #ccc;
            }
            a[href]:after {
                content: none !important;
            }
        }
        
        /* 12. Responsividade */
        @media (max-width: 600px) {
            .container {
                padding: 1rem;
            }
            .login-card {
                padding: 1.5rem 1rem;
            }
            .btn {
                padding: 0.75rem 1rem;
                font-size: 0.9rem;
            }
            .footer-controls {
                padding: 0.5rem;
                gap: 0.5rem;
                /* Permite que botões quebrem a linha se necessário */
                flex-wrap: wrap; 
                justify-content: center;
            }
            #app-container {
                /* Aumenta padding para rodapé mais alto */
                padding-bottom: 180px; 
            }
            #texto-container {
                font-size: 1.5rem;
                line-height: 2.2;
            }
            #fase-info {
                font-size: 1.2rem;
            }
            #etapa2-header {
                padding: 0.75rem;
            }
            #footer-etapa2-status .value {
                font-size: 1.1rem;
            }
        }