/* Configurações Globais */
:root {
    --bg-color: #f4f6f9;
    --text-color: #333333;
    --primary-color: #0056b3;
    --button-text: #ffffff;
    --box-bg: #ffffff;
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

/* Barra de Acessibilidade */
.barra-acessibilidade {
    background-color: #222;
    padding: 10px 20px;
    display: flex;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.container-botoes {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.container-botoes button {
    background-color: var(--primary-color);
    color: var(--button-text);
    border: none;
    padding: 10px 15px;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.1s;
}

.container-botoes button:hover, 
.container-botoes button:focus {
    outline: 3px solid #ffcc00;
    transform: scale(1.05);
}

/* Layout do Conteúdo */
header, main, footer {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
}

header {
    text-align: center;
    border-bottom: 2px solid #ccc;
}

#conteudo-principal {
    background-color: var(--box-bg);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

footer {
    text-align: center;
    font-size: 0.9rem;
    color: #666;
}

/* Simulação da Janela de Libras */
#box-libras {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 200px;
    background-color: #222;
    color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.libras-header {
    background-color: #555;
    padding: 8px;
    font-size: 0.8rem;
    text-align: center;
}

.libras-body {
    padding: 20px;
    text-align: center;
}

.hidden {
    display: none !important;
}

/* CLASSE DE ALTO CONTRASTE (Ativada via JS) */
body.alto-contraste {
    --bg-color: #000000;
    --text-color: #ffff00; /* Texto Amarelo para alto contraste */
    --primary-color: #ffff00;
    --button-text: #000000;
    --box-bg: #111111;
}

body.alto-contraste footer {
    color: #ffff00;
}