/* Configurações da Página */
body {
    background-image: url('fundosjs.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-color: #121214;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', system-ui, sans-serif;
    margin: 0;
    padding: 20px;
}

/* Card Principal (Efeito de Vidro Dark) */
.main-card {
    background-color: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 30px;
    width: 100%;
    max-width: 650px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    text-align: center;
}

/* Cabeçalho */
.card-header h1 {
    color: #f7df1e; /* Amarelo clássico do JavaScript */
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.js-logo {
    max-width: 180px;
    height: auto;
    border-radius: 12px;
    border: 2px solid rgba(247, 223, 30, 0.3);
    margin-bottom: 25px;
}

/* Grid de Botões (Agrupados e Responsivos) */
.activities-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 25px;
}

/* Botões de Atividades */
.btn-activity {
    width: 220px;
    background-color: #27272a;
    color: #f4f4f5;
    border: 1px solid #3f3f46;
    padding: 10px 16px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.25s ease;
}

.btn-activity:hover {
    background-color: #f7df1e;
    color: #18181b;
    border-color: #f7df1e;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(247, 223, 30, 0.25);
}

/* Rodapé / Botão Voltar */
.card-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
}

.btn-back {
    width: 220px;
    background-color: transparent;
    color: #a1a1aa;
    border: 1px solid #52525b;
    padding: 10px 16px;
    border-radius: 8px;
    transition: all 0.25s ease;
}

.btn-back:hover {
    background-color: #3f3f46;
    color: #ffffff;
    border-color: #a1a1aa;
}