/* Estilos Gerais do Site */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    color: #333333;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* Contentor Principal (necessário relative para o link secreto absoluto) */
.container {
    position: relative;
    width: 100%;
    max-width: 600px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin: 20px;
}

/* Link Secreto Invisível no Canto Superior Esquerdo */
.secret-link {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 30px;
    height: 30px;
    background-color: transparent;
    z-index: 1000;
    cursor: pointer;
}

/* Imagem de Cabeçalho */
.image-wrapper {
    width: 100%;
    background-color: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
}

.header-image {
    width: 100%;
    height: auto;
    max-height: 350px;
    object-fit: contain; /* Garante que a imagem inteira é visível sem cortes */
    display: block;
}

/* Efeito opcional de esbatimento nas margens (Fade Out) */
.fade-image {
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 80%, rgba(0,0,0,0) 100%);
    mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 80%, rgba(0,0,0,0) 100%);
}

/* Caixa de Conteúdo */
.content-box {
    padding: 30px;
}

h1 {
    font-size: 24px;
    color: #2c3e50;
    margin-top: 0;
    margin-bottom: 20px;
    text-align: center;
}

p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Opções do Quiz */
.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 25px;
}

.btn-option {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    text-align: left;
    background-color: #f8f9fa;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #333333;
}

.btn-option:hover {
    background-color: #e9ecef;
    border-color: #cbd5e1;
}

/* Resposta Correta Revelada (mantém visível mas desativada) */
.btn-right-reveal {
    background-color: #d1e7dd !important;
    border-color: #badbcc !important;
    color: #0f5132 !important;
    font-weight: bold;
    cursor: default;
}

/* Botões de Ação / Início / Próxima */
.button-container {
    text-align: center;
    margin-top: 20px;
}

.btn-start {
    display: inline-block;
    padding: 12px 30px;
    background-color: #2c3e50;
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.btn-start:hover {
    background-color: #34495e;
}