/* ==========================================================================
   1. GERAL, RESET E VARIÁVEIS
   ========================================================================== */

/* Define variáveis para fácil manutenção do tema */
:root {
    --primary-color: #007BFF;
    --primary-color-dark: #0056b3;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white-color: #ffffff;
    --text-color: #333;
    --border-color: #dee2e6;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
}

/* Reset básico para consistência entre navegadores */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    background-color: var(--light-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

main {
    flex: 1;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
}

/* ==========================================================================
   2. COMPONENTES REUTILIZÁVEIS (Botões, Cards, Forms, etc.)
   ========================================================================== */

/* --- Cabeçalho e Navegação --- */
.main-header {
    background-color: var(--white-color);
    box-shadow: var(--box-shadow);
    padding: var(--spacing-md) 0;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--dark-color);
}

.nav-links a, .user-info a {
    margin-left: var(--spacing-md);
}

.user-info span {
    margin-right: var(--spacing-md);
}

/* --- Cards --- */
.card {
    background-color: var(--white-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.card-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.card-header h2, .card-header h3 {
    margin: 0;
}

/* --- Formulários --- */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}

/* --- Botões --- */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    text-align: center;
    transition: background-color 0.2s ease-in-out;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white-color);
}
.btn-primary:hover {
    background-color: var(--primary-color-dark);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white-color);
}

.btn-success {
    background-color: var(--success-color);
    color: var(--white-color);
}

.btn-danger {
    background-color: var(--danger-color);
    color: var(--white-color);
}

.btn-block {
    display: block;
    width: 100%;
}


/* --- Tabelas --- */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-md);
}

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table thead th {
    background-color: var(--light-color);
    font-weight: bold;
    border-bottom-width: 2px;
}

.table tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.05);
}


/* --- Alertas (Flash Messages) --- */
.alert {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid transparent;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-error, .alert-danger { /* 'error' para a classe Session, 'danger' para CSS comum */
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}


/* ==========================================================================
   3. ESTILOS ESPECÍFICOS (Páginas, Questionário, etc.)
   ========================================================================== */

/* --- Página de Login --- */
.login-container {
    max-width: 400px;
    margin-top: 5rem;
}

/* --- Dashboard --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}
.dashboard-stat .stat-number {
    font-size: 2.5rem;
    font-weight: bold;
}
.dashboard-stat .stat-label {
    font-size: 1.2rem;
    color: var(--secondary-color);
}

/* --- Fluxo do Questionário Público --- */
.questionario-container {
    max-width: 700px;
    margin: auto;
    text-align: center;
}

.questao-progresso {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.questao-texto {
    font-size: 1.8rem;
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
}

.opcoes-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* Esconde o radio button original */
.opcoes-grid input[type="radio"] {
    opacity: 0;
    position: fixed;
    width: 0;
}

.opcoes-grid label {
    display: block;
    background-color: var(--white-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    box-shadow: var(--box-shadow);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    font-size: 1.1rem;
}

.opcoes-grid label:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

/* Estilo para a opção selecionada */
.opcoes-grid input[type="radio"]:checked+label {
    background-color: var(--primary-color);
    border-color: var(--primary-color-dark);
    color: var(--white-color);
}

/* --- QR Code --- */
.qr-code-container {
    text-align: center;
}
.qr-code-container img {
    max-width: 300px;
    border: 5px solid var(--white-color);
    box-shadow: var(--box-shadow);
}
.qr-code-container p {
    margin-top: var(--spacing-md);
    font-weight: bold;
}

/* --- Footer --- */
.main-footer {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--dark-color);
    color: var(--light-color);
    margin-top: auto;
}

/* ==========================================================================
   4. LAYOUT RESPONSIVO (MEDIA QUERIES)
   ========================================================================== */

/* Telas de Tablet e maiores */
@media (min-width: 768px) {
    .container {
        width: 85%;
    }

    h1 {
        font-size: 2.5rem;
    }
    
    /* Layout do questionário com 2 colunas */
    .opcoes-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Telas de Desktop */
@media (min-width: 1024px) {
    .container {
        width: 80%;
    }
}
/* ==========================================================================
   5. NAVEGAÇÃO RESPONSIVA
   ========================================================================== */

.main-nav {
    position: relative; /* Necessário para o posicionamento do menu mobile */
}

/* --- Estilos do Botão Hamburger (Visível apenas em Mobile) --- */
.nav-toggle {
    display: block; /* Visível por padrão (mobile-first) */
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001; /* Fica acima do menu */
}
.hamburger-icon {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--dark-color);
    position: relative;
    transition: background-color 0.2s ease-in-out;
}
.hamburger-icon::before,
.hamburger-icon::after {
    content: '';
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--dark-color);
    position: absolute;
    left: 0;
    transition: transform 0.2s ease-in-out;
}
.hamburger-icon::before { top: -8px; }
.hamburger-icon::after { bottom: -8px; }

/* --- Estilos do Menu Colapsável (Escondido em Mobile) --- */
.nav-collapse {
    display: none; /* Escondido por padrão */
    flex-direction: column;
    width: 100%;
    background-color: var(--white-color);
    position: absolute;
    top: 100%; /* Começa logo abaixo do header */
    left: 0;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    border-top: 1px solid var(--border-color);
}

/* Classe .is-active (adicionada via JS) */
.nav-collapse.is-active {
    display: flex; /* Mostra o menu */
}

/* Animação do Hamburger para "X" quando ativo */
.nav-toggle.is-active .hamburger-icon {
    background-color: transparent; /* Miolo do X some */
}
.nav-toggle.is-active .hamburger-icon::before {
    transform: rotate(45deg) translate(5px, 6px);
}
.nav-toggle.is-active .hamburger-icon::after {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Formatação dos links e info do utilizador no menu mobile */
.nav-collapse .nav-links,
.nav-collapse .user-info {
    display: flex;
    flex-direction: column;
    width: 100%;
}
.nav-collapse .nav-links a,
.nav-collapse .user-info > * {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    margin: 0 !important; /* Reseta margens */
    text-align: left;
}
.nav-collapse .user-info .btn {
    width: calc(100% - 2rem); /* Faz os botões ocuparem a largura */
    margin: 1rem !important;
    text-align: center;
}
.nav-collapse .user-info .btn-outline-secondary {
    /* Ajuste para o botão de alterar senha */
    width: calc(100% - 2rem) !important;
}


/* --- Estilos Desktop (Sobrescreve o mobile) --- */
@media (min-width: 992px) { /* Ponto de quebra (breakpoint) para desktop, ajuste se necessário */
    
    .nav-toggle {
        display: none; /* Esconde o hamburger no desktop */
    }

    .nav-collapse {
        display: flex !important; /* Garante que está visível e ignora o JS */
        flex-direction: row; /* Alinha horizontalmente */
        align-items: center;
        justify-content: flex-end; /* Alinha à direita */
        position: static; /* Remove posicionamento absoluto */
        width: auto; /* Largura automática */
        background-color: transparent;
        box-shadow: none;
        border-top: none;
    }

    .nav-collapse .nav-links,
    .nav-collapse .user-info {
        flex-direction: row;
        align-items: center;
        width: auto;
    }

    .nav-collapse .nav-links a,
    .nav-collapse .user-info > * {
        padding: 0; /* Reseta padding */
        border-bottom: none; /* Remove bordas */
        margin-left: 1rem !important; /* Restaura margem */
    }
     .nav-collapse .user-info .btn {
         width: auto; /* Reseta largura do botão */
         margin: 0 0 0 1rem !important;
     }
     .nav-collapse .user-info .btn-outline-secondary {
        width: auto !important;
        margin-left: 0.5rem !important;
     }
}
/* ==========================================================================
   6. CORREÇÃO DE TABELAS RESPONSIVAS
   ========================================================================== */

.table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto; /* Permite o scroll horizontal APENAS na tabela */
    -webkit-overflow-scrolling: touch; /* Melhora a rolagem em iOS */
    margin-bottom: 1rem;
}

/* Garante que a tabela não encolha demais dentro do wrapper */
.table-responsive > .table {
    min-width: 700px; /* Define uma largura mínima (ajuste se necessário) */
}