/* ================================================= */
/* 1. VARIÁVEIS GERAIS E ESTILOS BASE (TEMA INFANTIL) */
/* ================================================= */

:root {
    /* Paleta de Cores Mais Vibrante e Amigável para Crianças */
    --color-primary: #8e44ad; /* Roxo vibrante - Botão e Destaque */
    --color-secondary: #27ae60; /* Verde esmeralda - Para o logo */
    --color-accent-1: #e74c3c; /* Vermelho coral - Ícone de Usuário */
    --color-accent-2: #f1c40f; /* Amarelo ensolarado - Ícone de Senha */
    --color-accent-3: #3498db; /* Azul céu - Links */

    /* Fundo (gradiente suave e alegre) */
    --color-background-start: #e0f2f7; /* Azul bebê */
    --color-background-end: #f5eef8;   /* Lilás claro */

    --color-card-bg: #ffffff; /* Fundo do container (branco limpo) */
    --color-text: #34495e; /* Texto principal (azul escuro) */
    --color-light-text: #7f8c8d; /* Texto secundário (cinza suave) */
    --color-error: #e74c3c; /* Vermelho para erros */

    /* Sombras e Bordas */
    --shadow-light: 0 6px 20px rgba(0, 0, 0, 0.1); 
    --border-radius: 18px; 
}

/* Estilos de Corpo (Aplicados em todas as telas) */
body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--color-background-start), var(--color-background-end)); 
    color: var(--color-text);
    margin: 0;
    padding: 0;
    min-height: 100vh; 
    line-height: 1.6;
    overflow-x: hidden;
}

/* ================================================= */
/* 2. ESTILOS DE LOGIN E REGISTRO */
/* ================================================= */

/* Wrapper que centraliza (usado nas telas de login/registro) */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    min-height: 100vh;
}

/* Card principal (login/registro) */
.login-container {
    background-color: var(--color-card-bg);
    padding: 45px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    width: 100%;
    max-width: 400px;
    text-align: center;
    transition: transform 0.3s ease-in-out;
    animation: fadeInScale 0.5s ease-out forwards;
}

.login-container:hover {
    transform: translateY(-5px); 
}

/* Animação de entrada */
@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Cabeçalho */
.login-header {
    margin-bottom: 35px;
}

.logo-icon {
    font-size: 60px;
    color: var(--color-secondary); 
    margin-bottom: 12px;
    display: block;
    animation: bounce 2s infinite ease-in-out; 
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.login-header h1 {
    font-weight: 700; 
    font-size: 32px; 
    margin: 0 0 8px 0;
}

.subtitle {
    font-size: 18px; 
    color: var(--color-light-text);
    margin-top: 0;
}

/* Formulário e Campos */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.form-group {
    position: relative;
    text-align: left;
}

.form-icon {
    position: absolute;
    top: 50%;
    left: 18px;
    transform: translateY(-50%);
    font-size: 24px; 
    transition: color 0.3s;
    pointer-events: none;
}

.form-group input {
    width: 100%;
    padding: 15px 15px 15px 55px; 
    border: 2px solid #d1d5db;
    border-radius: 12px;
    font-size: 18px;
    transition: border-color 0.3s, box-shadow 0.3s;
    box-sizing: border-box;
    background-color: #fcfcfc;
}

.form-group input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(142, 68, 173, 0.25);
    outline: none;
}

.form-group input:focus ~ .form-icon { 
    color: var(--color-primary);
}

.form-group input::placeholder {
    color: var(--color-light-text);
    opacity: 0.7;
}

.form-group label {
    display: none; 
}

/* --- Cores dos Ícones (Lógica para Login e Cadastro) --- */

/* Lógica para formulários de Cadastro (com .form-row) */
.login-form .form-group:nth-of-type(1) .form-icon { color: var(--color-accent-1); } 
.login-form .form-group:nth-of-type(2) .form-icon { color: var(--color-accent-2); }
.login-form .form-group:nth-of-type(3) .form-icon { color: var(--color-secondary); }
.login-form .form-group:nth-of-type(4) .form-icon { color: var(--color-primary); }
.login-form .form-group:nth-of-type(5) .form-icon { color: var(--color-accent-3); }

/* Seletor específico para o Login (que não usa .form-row) */
.login-form > .form-group:nth-child(1) .form-icon { color: var(--color-accent-1); } 
.login-form > .form-group:nth-child(2) .form-icon { color: var(--color-accent-2); } 

/* Linhas com dois campos (Registro) */
.form-row {
    display: flex;
    gap: 20px;
    width: 100%;
    margin-bottom: 5px;
}

.form-group-half {
    flex-grow: 1;
    width: 50%;
    margin-bottom: 0;
}

/* Botão de Login/Registro */
.login-button {
    background-color: var(--color-primary);
    color: var(--color-card-bg);
    border: none;
    padding: 15px 25px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s, box-shadow 0.3s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.login-button:hover {
    background-color: #9b59b6; 
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.login-button:active {
    transform: scale(0.98);
}

.button-icon {
    font-size: 24px;
}

/* Rodapé dos formulários e mensagens */
.login-footer {
    margin-top: 35px;
    padding-top: 25px;
    border-top: 1px solid #eceff1;
}

.register-text {
    font-size: 15px;
    color: var(--color-light-text);
    margin: 0 0 18px 0;
}

.register-link {
    color: var(--color-accent-3);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.register-link:hover {
    color: #2980b9;
    text-decoration: underline;
}

.message-box {
    padding: 12px 18px;
    border-radius: 8px;
    margin-bottom: 25px;
    text-align: left;
    font-size: 15px;
}

.error-box {
    background-color: #fbe9e7;
    border: 1px solid var(--color-error);
}

.error-message {
    color: var(--color-error);
    margin: 0;
    font-weight: 500;
}

.language-selector {
    font-size: 14px;
    color: var(--color-light-text);
}

.lang-link {
    color: var(--color-light-text);
    text-decoration: none;
    transition: color 0.2s;
}

.lang-link:hover {
    color: var(--color-accent-3);
}


/* ================================================= */
/* 3. ESTILOS DE DASHBOARD */
/* ================================================= */

/* Redefinindo o body para telas não-login */
body {
    /* Remover centralização estrita para dar espaço ao dashboard */
    display: block !important; 
    padding: 0; /* Garante que o padding não atrapalhe */
}

.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

.welcome-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 25px 20px;
    background-color: var(--color-card-bg); 
    border-radius: 18px;
    box-shadow: var(--shadow-light);
}

.welcome-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary); 
    margin-bottom: 5px;
}

.welcome-header p {
    font-size: 18px;
    color: var(--color-light-text);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px; 
    margin-top: 40px;
}

.dashboard-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    border-radius: 25px; 
    text-decoration: none;
    color: var(--color-text);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    min-height: 150px;
}

.dashboard-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
}

/* Cores dos Cards */
.card-quizzes { background: #e3f2fd; border: 3px solid var(--color-accent-3); }
.card-quizzes .card-icon { color: var(--color-accent-3); } 

.card-students { background: #e8f5e9; border: 3px solid var(--color-secondary); }
.card-students .card-icon { color: var(--color-secondary); } 

.card-translator { background: #fff3e0; border: 3px solid var(--color-accent-2); }
.card-translator .card-icon { color: var(--color-accent-2); } 

.card-logout { background: #f3e5f5; border: 3px solid var(--color-primary); }
.card-logout .card-icon { color: var(--color-primary); } 

.dashboard-footer {
    text-align: center;
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
}

/* ================================================= */
/* 4. MEDIA QUERIES (Responsividade) */
/* ================================================= */

@media (max-width: 768px) {
    .dashboard-grid {
        /* 1 coluna em telas menores */
        grid-template-columns: 1fr;
    }
}
@media (max-width: 480px) {
    /* Login e Registro */
    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .form-group-half {
        width: 100%;
        margin-bottom: 20px;
    }
    
    /* Dashboard */
    .welcome-header h2 {
        font-size: 28px;
    }
}

/* ================================================= */
/* 5. ESTILOS DA TELA DE GERENCIAMENTO DE QUIZZES */
/* ================================================= */

/* Cabeçalho da Página (My Quizzes) */
.page-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background-color: var(--color-card-bg);
    border-radius: 18px;
    box-shadow: var(--shadow-light);
}

.page-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text);
    margin-top: 10px;
}

.header-icon {
    font-size: 48px;
    display: block;
}

/* Botões de Criação (Grid de 2 Colunas) */
.creation-buttons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.create-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 20px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.create-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.create-button .button-icon {
    font-size: 24px;
    margin-right: 10px;
}

/* Cores específicas para os botões */
.create-manual {
    background-color: var(--color-secondary); /* Verde */
    color: var(--color-card-bg);
}
.create-manual:hover {
    background-color: #2ecc71;
}

.create-ai {
    background-color: var(--color-accent-3); /* Azul Céu */
    color: var(--color-card-bg);
}
.create-ai:hover {
    background-color: #5dade2;
}


/* Lista de Quizzes (Grid) */
.quiz-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.quiz-card {
    background-color: #ffffff;
    padding: 25px;
    border-radius: 18px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
    border-left: 6px solid var(--color-primary); /* Destaque lateral */
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.quiz-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.quiz-info h3 {
    font-size: 22px;
    color: var(--color-primary);
    margin-top: 0;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
}
.quiz-info .quiz-icon {
    font-size: 24px;
    margin-right: 8px;
}

.quiz-description {
    color: var(--color-light-text);
    font-size: 14px;
    margin-bottom: 15px;
}

.quiz-meta {
    display: flex;
    align-items: center;
    color: var(--color-light-text);
    font-size: 13px;
    margin-bottom: 15px;
    padding-top: 10px;
    border-top: 1px solid #f0f0f0;
}
.quiz-meta .meta-icon {
    font-size: 18px;
    margin-right: 5px;
}

.quiz-actions {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.action-btn {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: background-color 0.2s;
    flex-grow: 1;
    justify-content: center;
}

.action-btn span {
    font-size: 18px;
    margin-right: 5px;
}

.edit-btn {
    background-color: var(--color-accent-2); /* Amarelo */
    color: var(--color-text);
}
.edit-btn:hover {
    background-color: #f7d24d;
}

.delete-btn {
    background-color: var(--color-accent-1); /* Vermelho Coral */
    color: var(--color-card-bg);
}
.delete-btn:hover {
    background-color: #e56b5d;
}

/* Estado Vazio */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    border: 2px dashed #ccc;
    border-radius: 18px;
    margin-top: 40px;
    background-color: #f9f9f9;
}

.empty-state .empty-icon {
    font-size: 60px;
    color: var(--color-light-text);
    display: block;
    margin-bottom: 15px;
}

.empty-state p {
    font-size: 18px;
    color: var(--color-text);
    margin-bottom: 25px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-accent-3);
    text-decoration: none;
    font-weight: 600;
}
.back-link:hover {
    text-decoration: underline;
}

/* MEDIA QUERY: Ajuste para telas pequenas */
@media (max-width: 600px) {
    .creation-buttons-grid {
        grid-template-columns: 1fr; /* 1 coluna em celular */
    }
    .quiz-list-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================================= */
/* 6. ESTILOS DA TELA DE CRIAÇÃO/EDIÇÃO DE QUIZ */
/* ================================================= */

/* Contêiner Principal da Página de Formulário (limpa o layout de centralização) */
.form-page {
    padding: 30px 20px 80px 20px; /* Mais espaço no topo e base */
    max-width: 900px; /* Torna o formulário mais largo que o login */
}

/* Formulário Principal */
.quiz-form {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

/* Seções do Formulário */
.form-section {
    padding: 25px;
    margin-bottom: 30px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
}

.quiz-details-section {
    border-left: 5px solid var(--color-secondary); /* Verde Destaque */
}

.questions-section {
    border-left: 5px solid var(--color-accent-3); /* Azul Destaque */
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-top: 0;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.section-title .material-icons {
    font-size: 28px;
    color: var(--color-primary);
}

/* Estilo para Inputs e Textareas dentro desta tela */
.quiz-form-group label,
.quiz-form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
    font-size: 16px;
}

.quiz-form-group input[type="text"],
.quiz-form-input,
.quiz-form-group textarea,
.quiz-form-textarea,
.quiz-form-group select,
.quiz-form-select {
    width: 100%;
    padding: 10px 15px;
    border: 2px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.3s;
    background-color: #fcfcfc;
}

.form-group textarea {
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(142, 68, 173, 0.1);
}

/* --- Blocos de Pergunta --- */
.question-block {
    background-color: #fcfcfd;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    border-top: 5px solid var(--color-accent-2); /* Amarelo: destaca o bloco de pergunta */
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
}

.question-number {
    font-weight: 700;
    font-size: 18px;
    color: var(--color-primary);
    flex-grow: 1;
}

.drag-handle {
    color: var(--color-light-text);
    cursor: grab;
    margin-right: 10px;
}

.question-content .question-group,
.question-content .type-group {
    margin-bottom: 15px;
}

/* --- Respostas --- */
.answers-container {
    padding: 15px;
    background-color: #f5f5f5;
    border-radius: 8px;
    margin-top: 15px;
}

.answer-section-label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--color-accent-1); /* Vermelho Coral */
    font-size: 16px;
}

.answer-group {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.answer-input-group {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 10px;
    background-color: var(--color-card-bg);
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid #ddd;
}

.answer-input-group:focus-within {
    border-color: var(--color-accent-1);
    box-shadow: 0 0 0 2px rgba(231, 76, 60, 0.15);
}

.answer-label {
    cursor: pointer;
    margin: 0;
    display: flex;
    align-items: center;
}

.answer-input-group input[type="text"] {
    flex-grow: 1;
    border: none;
    padding: 5px;
    background: transparent;
    font-size: 15px;
}

.answer-input-group input[type="text"]:focus {
    border: none;
    box-shadow: none;
}

/* Botões de Ação */
.action-button {
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.1s;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    text-decoration: none;
}

/* Estilo Padrão para Botão de Adicionar Pergunta */
.add-question-btn {
    background-color: var(--color-primary); /* Roxo */
    color: var(--color-card-bg);
    margin-top: 15px;
}
.add-question-btn:hover {
    background-color: #9b59b6;
    transform: translateY(-1px);
}

/* Botão de Remover (Estilo Vermelho) */
.delete-style {
    background-color: var(--color-accent-1); /* Vermelho Coral */
    color: var(--color-card-bg);
    padding: 8px 12px;
}
.delete-style:hover {
    background-color: #e56b5d;
}

/* Botão de Adicionar Resposta (Estilo Claro) */
.light-style {
    background-color: #e8f5e9; /* Verde Claro */
    color: var(--color-secondary);
    padding: 8px 12px;
    margin-top: 10px;
    font-size: 14px;
}
.light-style:hover {
    background-color: #d8ead8;
}

/* Botão de Remover Resposta (Pequeno) */
.small-btn {
    padding: 5px;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    justify-content: center;
}
.small-btn .material-icons {
    font-size: 18px;
    margin-right: 0;
}

/* Botão Final de Salvar */
.submit-group {
    text-align: center;
    margin-top: 30px;
}
.submit-group .login-button {
    /* Reutiliza o estilo do botão de login/registro */
    width: 100%;
    max-width: 300px;
}

/* Media Query: Responsividade */
@media (max-width: 600px) {
    .form-page {
        padding: 15px;
    }
    .form-section {
        padding: 15px;
    }
    .answer-input-group {
        flex-wrap: wrap;
        gap: 5px;
    }
    .answer-input-group input[type="text"] {
        width: calc(100% - 40px);
    }
}

/* ================================================= */
/* 7. ESTILOS DA TELA DE CRIAÇÃO DE QUIZ POR IMAGEM/IA */
/* ================================================= */

/* Seções de Configuração */
.ai-upload-section {
    border-left: 5px solid var(--color-accent-1); /* Vermelho Coral */
    text-align: center;
}

.ai-config-section {
    border-left: 5px solid var(--color-primary); /* Roxo */
}

/* Estilo para o Input de Arquivo (Hidden) */

.file-label {
    /* Mantenha o display flex para garantir que ele sobrescreva o display: none genérico */
    display: none !important; /* 🚨 ADICIONAR OU GARANTIR O !important AQUI */
    
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    border: 3px dashed var(--color-accent-3); /* Azul Céu */
    border-radius: 12px;
    cursor: pointer;
    background-color: #f7faff;
    transition: background-color 0.2s, border-color 0.2s;
    font-weight: 600;
    color: var(--color-accent-3);
    font-size: 18px;
    margin-bottom: 10px;
}


.file-label:hover {
    background-color: #eaf1ff;
    border-color: #5dade2;
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 10px;
}

.helper-text {
    font-size: 14px;
    color: var(--color-light-text);
    margin: 0;
    text-align: center;
}

/* Botão de Geração com IA */
.generate-ai-btn {
    background-color: var(--color-secondary); /* Verde */
    box-shadow: 0 4px 10px rgba(39, 174, 96, 0.4);
}
.generate-ai-btn:hover {
    background-color: #2ecc71;
    box-shadow: 0 6px 15px rgba(39, 174, 96, 0.6);
    transform: translateY(-2px);
}

/* Ajustes para o form-row nesta tela (já definido, mas reforça) */
@media (max-width: 600px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .form-group-half {
        width: 100%;
        margin-bottom: 20px;
    }
}

/* ================================================= */
/* 8. ESTILOS DA TELA DE GERENCIAMENTO DE ALUNOS */
/* ================================================= */

/* Ajuste para o botão de adicionar aluno */
.student-add-btn {
    /* Reutiliza o estilo do botão de criação manual (verde) */
    background-color: var(--color-primary); /* Usa o roxo para variar */
}
.student-add-btn:hover {
    background-color: #9b59b6;
}

/* Grid da Lista de Alunos (reutiliza o grid de quizzes) */
.student-list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

/* Card de Aluno */
.student-card {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 18px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
    border-left: 6px solid var(--color-accent-3); /* Azul Destaque */
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
}

.student-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.student-icon {
    font-size: 48px;
    color: var(--color-accent-3);
    margin-right: 20px;
    flex-shrink: 0; /* Impede que o ícone encolha */
}

.student-info h3 {
    font-size: 20px;
    color: var(--color-text);
    margin: 0 0 8px 0;
    font-weight: 700;
}

.student-meta {
    display: flex;
    align-items: center;
    color: var(--color-light-text);
    font-size: 14px;
    margin: 4px 0;
}

.student-meta strong {
    color: var(--color-text);
}

.student-meta .meta-icon {
    font-size: 18px;
    margin-right: 8px;
    color: var(--color-secondary); /* Ícones menores verdes */
}

/* Ajuste para o grid de botões quando há apenas 1 (Adicionar Aluno) */
.creation-buttons-grid.single-column {
    display: flex;
    justify-content: center;
}
.creation-buttons-grid.single-column .create-button {
    max-width: 350px;
    width: 100%;
}

/* Media Query: Responsividade */
@media (max-width: 600px) {
    .student-card {
        flex-direction: column;
        text-align: center;
    }
    .student-icon {
        margin-right: 0;
        margin-bottom: 10px;
    }
    .student-info h3 {
        margin-top: 10px;
    }
    .student-list-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================================= */
/* 9. ESTILOS DA TELA DE CHAT/TRADUTOR IA (MAXIMIZADO) */
/* ================================================= */

/* 1. Remove padding e margin do container principal */
.main-container.full-height-chat-container {
    /* Altura total da tela menos a barra de navegação */
    min-height: calc(100vh - 80px); 
    display: flex; 
    align-items: center; 
    padding: 0; /* REMOVE o padding lateral grande */
    margin: 0 auto;
    max-width: 100%; /* Permite que o card fique mais largo se necessário */
}

/* 2. Ajusta o CARD Principal do Chat para ocupar a tela e ter menos margem */
.chat-card-wrapper {
    max-width: 700px; /* Levemente mais largo para visualização infantil */
    width: 100%;
    margin: 20px auto; /* Margem suave no topo/base, mas centralizado */
    padding: 25px; /* Reduz o padding interno do card */
    max-height: 90vh; /* Aumenta um pouco a altura máxima para aproveitar o espaço */
    display: flex; 
    flex-direction: column; 
    box-sizing: border-box;
}

/* 3. Reduz a margem do cabeçalho */
.page-header.chat-header {
    flex-shrink: 0;
    margin-bottom: 15px; /* Reduz a margem inferior */
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-border);
}
.chat-header h2 {
    font-size: 28px;
    margin-top: 5px;
}
.chat-header .subtitle {
    font-size: 16px;
}

/* 4. A área de mensagens ocupa o máximo de espaço possível */
.chat-messages-scrollable {
    flex-grow: 1; 
    overflow-y: auto; 
    background-color: #f7f9fb;
    border-radius: 15px;
    padding: 15px;
    margin-bottom: 15px; /* Reduz a margem antes do input */
    border: 1px solid #e0e0e0;
    min-height: 100px; 
}

/* 5. Estilos de mensagens (mantidos) */
.chat-message {
    margin-bottom: 10px;
    line-height: 1.5;
    padding: 8px 12px;
    border-radius: 10px;
    max-width: 85%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}
.message-role {
    font-weight: 700;
    margin-right: 5px;
}
.user-message {
    background-color: #e3f2fd;
    color: var(--color-text);
    margin-left: auto;
    border-bottom-right-radius: 2px;
}
.user-message .message-role {
    color: var(--color-accent-3);
}
.ia-message {
    background-color: #e8f5e9;
    color: var(--color-text);
    margin-right: auto;
    border-bottom-left-radius: 2px;
}
.ia-message .message-role {
    color: var(--color-secondary);
}
.chat-welcome {
    text-align: center;
    padding: 30px 20px; /* Reduz o padding de boas-vindas */
    color: var(--color-light-text);
}
.chat-welcome .welcome-icon {
    font-size: 60px;
    margin-bottom: 15px;
}
.chat-welcome p {
    font-size: 16px;
    color: var(--color-text);
}

/* 6. Campo de Input e Botão (mantidos) */
.chat-form.full-height-form {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-height: 0;
}
.chat-input-group {
    flex-shrink: 0;
    display: flex;
    gap: 10px;
    align-items: stretch;
    margin-top: 5px; 
}
.chat-input {
    flex-grow: 1;
    padding: 12px 15px;
    border-radius: 12px;
}
.send-btn {
    padding: 10px 18px;
    border-radius: 12px;
    flex-shrink: 0;
}

/* Media Query: Responsividade (também maximiza o espaço em telas menores) */
@media (max-width: 650px) {
    .chat-card-wrapper {
        margin: 0; /* Remove a margem lateral */
        padding: 20px;
        max-height: 100vh; /* Ocupa a altura máxima em celular */
        border-radius: 0; /* Remove o border-radius para um visual de tela cheia */
    }
    .main-container.full-height-chat-container {
        padding: 0;
        min-height: 100vh;
    }
    .chat-messages-scrollable {
         min-height: 200px; 
    }
}

/* ================================================= */
/* 10. ESTILOS DO DASHBOARD DO ALUNO (CHILD-FRIENDLY) */
/* ================================================= */

/* Ajuste o main-container para ser mais limpo */
.student-dashboard {
    padding: 30px 20px;
    max-width: 1400px; /* Mais largura para um layout de grid moderno */
}

/* --- HEADER E BEM-VINDO --- */

.dashboard-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
    background: #ffffff;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.welcome-message {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.welcome-icon {
    font-size: 38px;
    vertical-align: middle;
    margin-right: 10px;
    color: var(--color-accent-2); /* Amarelo Estrela */
    animation: pulse 1.5s infinite;
}

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

.dashboard-intro {
    font-size: 18px;
    color: var(--color-light-text);
}

/* --- CARTÃO DE AÇÃO RÁPIDA (Tradutor) --- */

.quick-action-card {
    margin-bottom: 30px;
    animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.translator-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    background: var(--color-accent-3); /* Azul Céu */
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 20px;
    transition: background-color 0.3s, transform 0.1s;
    box-shadow: 0 4px 10px rgba(52, 152, 219, 0.5);
}

.translator-link:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.action-icon {
    font-size: 36px;
}

.action-text {
    flex-grow: 1;
    text-align: left;
    margin-left: 20px;
}

.arrow-icon {
    font-size: 30px;
}

/* --- GRID PRINCIPAL (Missões e Progresso) --- */

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr; /* Missões maiores, Progresso menor */
    gap: 30px;
    margin-bottom: 40px;
}

.grid-section {
    background-color: var(--color-card-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.section-title {
    font-size: 24px;
    color: var(--color-text);
    margin-top: 0;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-border);
    font-weight: 600;
    display: flex;
    align-items: center;
}

.title-icon {
    font-size: 28px;
    margin-right: 10px;
    color: var(--color-primary); 
}
.available-quizzes .title-icon { color: var(--color-accent-1); } /* Fogo */
.your-attempts .title-icon { color: var(--color-secondary); }    /* Histórico */

/* --- ESTILO DOS CARDS DE QUIZ/MISSÕES --- */

.quiz-card-list, .attempt-card-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.quiz-card, .attempt-card {
    display: flex;
    align-items: center;
    padding: 15px;
    background-color: #f7f9fb;
    border-radius: 12px;
    transition: background-color 0.3s;
    border-left: 5px solid transparent;
}

.quiz-card:hover {
    background-color: #eef1f5;
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.quiz-card.card-available {
    border-left-color: var(--color-accent-1);
}
.attempt-card.card-completed {
    border-left-color: var(--color-secondary);
}

.card-icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 15px;
    color: white;
    flex-shrink: 0;
}

.card-icon {
    font-size: 28px;
}

.card-details {
    flex-grow: 1;
    text-align: left;
}

.card-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
}

.card-info {
    margin: 0;
    font-size: 14px;
    color: var(--color-light-text);
}

/* --- BOTÕES MAIORES PARA MISSÕES --- */
.start-btn-large {
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: background-color 0.3s;
    flex-shrink: 0;
    margin-left: 15px;
}

.start-btn-large:hover {
    background-color: #9b59b6;
}

.start-btn-large .material-icons {
    font-size: 20px;
}

/* --- ESTILO DE PROGRESSO/SCORE --- */

.score-display {
    font-size: 20px;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 6px;
}

.score-label {
    margin: 5px 0 0 0;
    font-size: 14px;
    color: var(--color-light-text);
}




.view-btn-small {
    background-color: var(--color-accent-3);
    color: white;
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}
.view-btn-small:hover {
    background-color: #2980b9;
}

/* --- ESTADOS VAZIOS --- */

.empty-state {
    text-align: center;
    padding: 40px 20px;
    background-color: #f7f9fb;
    border-radius: 12px;
}
.empty-icon {
    font-size: 50px;
    color: var(--color-accent-3);
    margin-bottom: 10px;
}
.empty-state p {
    color: var(--color-text);
    font-weight: 500;
}

/* --- FOOTER E LINGUAGEM --- */

.dashboard-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-top: 1px solid var(--color-border);
    margin-top: 30px;
}

.logout-link {
    color: var(--color-accent-1);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s;
}
.logout-link:hover {
    color: #c0392b;
}

.language-selector .lang-link {
    color: var(--color-light-text);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s;
}
.language-selector .lang-link:hover {
    color: var(--color-primary);
}


/* --- RESPONSIVIDADE PARA TELAS PEQUENAS --- */

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr; /* Stack em telas menores */
    }
    .welcome-message {
        font-size: 30px;
    }
    .quiz-card, .attempt-card {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
        padding-bottom: 20px;
    }
    .card-icon-wrapper {
        margin: 0 auto 10px auto;
    }
    .start-btn-large {
        width: 100%;
        margin: 15px 0 0 0;
        justify-content: center;
    }
    .view-btn-small {
         width: 100%;
        margin-top: 10px;
        justify-content: center;
    }
    .dashboard-footer {
        flex-direction: column;
        gap: 15px;
    }
}

/* ================================================= */
/* 11. ESTILOS DA TELA DE QUIZ (MISSÃO) */
/* ================================================= */

/* Ajuste o container para centralizar o quiz e dar mais espaço */
.main-container.quiz-page {
    max-width: 900px;
    margin: 40px auto;
    padding: 20px;
}

/* Estilo do Card Principal (Quiz) */
.quiz-view-card {
    /* Reutiliza o estilo de card do .quiz-form ou .login-container */
    padding: 30px 40px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-radius: var(--border-radius);
}

/* Header da Missão */
.quiz-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--color-border);
}

.quiz-icon {
    font-size: 50px;
    margin-bottom: 10px;
    color: var(--color-accent-2); /* Amarelo (Destaque) */
}

.quiz-header h2 {
    font-size: 32px;
    color: var(--color-primary);
    margin: 5px 0 10px 0;
    font-weight: 700;
}

.quiz-description {
    font-size: 16px;
    color: var(--color-light-text);
}

/* Card de Pergunta Individual */
.question-card {
    background-color: #fcfcfc;
    border: 1px solid #e1e8ed;
    padding: 25px;
    margin-bottom: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    position: relative;
    padding-left: 70px; /* Espaço para o badge */
    transition: border-color 0.3s;
}

.question-card:hover {
    border-color: var(--color-primary);
}

.question-number-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--color-accent-3); /* Azul Céu */
    color: white;
    font-size: 22px;
    font-weight: 700;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 3px 8px rgba(52, 152, 219, 0.4);
}

.question-text {
    font-size: 20px;
    color: var(--color-text);
    margin-top: 0;
    margin-bottom: 20px;
    font-weight: 600;
}

/* Opções de Resposta (Melhorando a Usabilidade) */
.answer-options-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.answer-label {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background-color: #fff;
    border: 2px solid #d1d5db;
    border-radius: 10px;
    cursor: pointer;
    font-size: 18px;
    transition: background-color 0.2s, border-color 0.2s;
    position: relative;
}

.answer-label:hover {
    background-color: #f0f4ff;
    border-color: var(--color-accent-3);
}

/* Estilo para quando a resposta é selecionada */
.answer-label input[type="radio"]:checked + .custom-radio {
    background-color: var(--color-primary); /* Roxo */
    border-color: var(--color-primary);
}
.answer-label input[type="radio"]:checked {
    color: var(--color-primary);
    font-weight: 600;
    border-color: var(--color-primary);
}

/* Esconder o rádio padrão */
.answer-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

/* Criar rádio customizado (Círculo) */
.custom-radio {
    height: 20px;
    width: 20px;
    background-color: #eee;
    border-radius: 50%;
    margin-right: 15px;
    border: 2px solid #ccc;
    transition: background-color 0.2s, border-color 0.2s;
    flex-shrink: 0;
}

/* Botão de Finalizar (Big and Bold) */
.quiz-actions-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.finish-btn {
    background-color: var(--color-secondary); /* Verde esmeralda (Ação de Sucesso) */
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 12px;
    font-size: 20px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
    box-shadow: 0 4px 10px rgba(39, 174, 96, 0.4);
    display: flex;
    align-items: center;
    gap: 10px;
}

.finish-btn:hover {
    background-color: #2ecc71;
    transform: translateY(-2px);
}
.finish-btn .material-icons {
    font-size: 24px;
}

/* Link de Voltar no rodapé do quiz */
.back-link-small {
    color: var(--color-light-text);
    text-decoration: none;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s;
}

.back-link-small:hover {
    color: var(--color-accent-3);
}

/* Responsividade */
@media (max-width: 768px) {
    .main-container.quiz-page {
        margin: 20px 10px;
        padding: 0;
    }
    .quiz-view-card {
        padding: 20px;
    }
    .question-card {
        padding: 15px;
        padding-left: 60px;
    }
    .question-number-badge {
        font-size: 18px;
        width: 35px;
        height: 35px;
    }
    .question-text {
        font-size: 18px;
    }
    .answer-label {
        font-size: 16px;
    }
    .quiz-actions-footer {
        flex-direction: column-reverse;
        gap: 15px;
    }
    .finish-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ================================================= */
/* 12. ESTILOS DA TELA DE RESULTADOS DO QUIZ (RECOMPENSA) */
/* ================================================= */

/* Ajuste o container principal */
.main-container.quiz-results-page {
    max-width: 950px; /* Maior que o quiz para melhor visualização do feedback */
    margin: 40px auto;
    padding: 20px;
}

/* --- 1. SEÇÃO DE MEDALHA/RESUMO --- */

.results-medal-summary {
    padding: 30px;
    margin-bottom: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    color: var(--color-text);
    background: linear-gradient(145deg, var(--color-card-bg), #f0f8ff);
    box-shadow: var(--shadow-light);
    border: 3px solid var(--medal-color); /* Borda dinâmica baseada no score */
    position: relative;
    overflow: hidden;
}

.medal-icon {
    font-size: 70px;
    color: var(--medal-color); /* Cor dinâmica */
    margin-bottom: 10px;
    animation: bounceIn 0.8s ease-out;
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    70% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

.results-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0 0 15px 0;
}

.score-display-large {
    margin: 15px 0;
    padding: 10px 20px;
    border-radius: 12px;
    background-color: #e6e9f0;
    display: inline-block;
}

.score-label {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin-right: 10px;
}

.score-value {
    font-size: 36px;
    font-weight: 800;
}

/* Reutilizando as cores de score do Dashboard */
.score-high {
    color: var(--color-secondary); /* Verde */
}
.score-medium {
    color: var(--color-accent-2); /* Amarelo (para scores abaixo de 70) */
}
.score-low {
    color: var(--color-accent-1); /* Vermelho */
}

.attempt-date-info {
    font-size: 14px;
    color: var(--color-light-text);
    margin: 0;
}


/* --- 2. DETALHES DAS RESPOSTAS (Cards de Feedback) --- */

.section-title-icon {
    font-size: 26px;
    font-weight: 600;
    color: var(--color-text);
    margin-top: 40px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
}
.section-title-icon .title-icon {
    font-size: 30px;
    margin-right: 10px;
}

.answers-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr; /* Duas colunas em telas grandes */
    gap: 20px;
}

.question-feedback-card {
    background-color: var(--color-card-bg);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: flex-start;
    border-left: 5px solid transparent;
}

/* Estilos de Status (Cores Fortes) */
.status-correct {
    border-left-color: var(--color-secondary);
}
.status-correct .feedback-icon {
    color: var(--color-secondary);
}

.status-incorrect {
    border-left-color: var(--color-accent-1);
}
.status-incorrect .feedback-icon {
    color: var(--color-accent-1);
}

.status-review {
    border-left-color: var(--color-accent-3);
}
.status-review .feedback-icon {
    color: var(--color-accent-3);
}

.feedback-icon {
    font-size: 40px;
    margin-right: 15px;
    flex-shrink: 0;
    margin-top: 5px;
}

.card-content {
    flex-grow: 1;
    text-align: left;
}

.question-index-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-light-text);
    margin-bottom: 5px;
}

.question-text {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.answer-line {
    font-size: 15px;
    margin: 5px 0;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.answer-line .material-icons {
    font-size: 20px;
    color: var(--color-light-text);
}
.answer-line .icon-yours { color: var(--color-primary); }
.answer-line .icon-correct { color: var(--color-secondary); }

.student-answer-text {
    font-weight: 500;
    color: var(--color-text);
    flex-grow: 1;
}

.correct-answer-text {
    font-weight: 600;
    color: var(--color-secondary);
    flex-grow: 1;
}

.review-line .review-text {
    font-weight: 600;
    color: var(--color-accent-3);
}

.feedback-text {
    font-size: 14px;
    color: var(--color-light-text);
    font-style: italic;
    margin-top: 5px;
}


/* --- 3. FOOTER DE AÇÃO --- */

.quiz-results-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-top: 1px solid var(--color-border);
    margin-top: 40px;
}

.back-to-dash-btn {
    background-color: var(--color-primary);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background-color 0.3s, transform 0.1s;
}

.back-to-dash-btn:hover {
    background-color: #9b59b6; 
    transform: translateY(-1px);
}


/* --- RESPONSIVIDADE --- */

@media (max-width: 900px) {
    .answers-details-grid {
        grid-template-columns: 1fr; /* Coluna única em telas menores */
    }
}

@media (max-width: 600px) {
    .main-container.quiz-results-page {
        padding: 10px;
        margin: 20px auto;
    }
    .results-medal-summary {
        padding: 20px;
    }
    .results-title {
        font-size: 28px;
    }
    .score-value {
        font-size: 30px;
    }
    .question-feedback-card {
        flex-direction: column;
        text-align: center;
    }
    .feedback-icon {
        margin: 0 auto 10px auto;
    }
    .answer-line {
        justify-content: center;
    }
    .quiz-results-footer {
        flex-direction: column;
        gap: 20px;
    }
    .back-to-dash-btn {
        width: 100%;
        justify-content: center;
    }
}