/* Reset básico */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f4f4f4;   /* fundo neutro */
    color: #333;           /* texto padrão */
}

/* Menu principal */
.menu {
    background: #004080;   /* azul escuro */
    padding: 0.5em;
}

.menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.menu li {
    margin-right: 1em;
}

.menu a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

.menu a:hover {
    text-decoration: underline;
}

/* Conteúdo principal */
main {
    padding: 1em;
    background: #fff;
    min-height: 80vh;
    padding-bottom: 60px; /* evita sobreposição com footer fixo */
}

/* Footer global */
footer {
    background: #004080;
    color: #fff;
    text-align: center;
    padding: 0.5em;
}

.site-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    padding: 0 15px;
    background: #004080;
    color: #fff;
    border-top: 1px solid #ccc;
    font-size: 0.9em;
    height: 40px;
    line-height: 40px;
    z-index: 1000;
}

.site-footer p {
    margin: 0;
}

.site-footer .btn {
    margin: 0;
    padding: 5px 12px;
    font-size: 0.85em;
}

/* Output de debug */
.trace-output {
    background: #f8f9fa;
    border: 1px solid #ccc;
    padding: 10px;
    margin: 15px 0;
    font-family: monospace;
    font-size: 0.9em;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
}

/* Layout geral das secções */
section.content {
    max-width: 100%;
    margin: 0;
    padding: 20px;
    background: #fff;
}