head>
<style>

body {
    margin: 0;
    font-family: Arial, sans-serif;
}

.main {
    display: flex;
    min-height: 100vh;
}

/* Lateral com as cores da empresa */
.sidebar {
    width: 240px;
    background: #013088;        /* azul escuro Riva/Direcional */
    color: #fff;
}

.sidebar .brand {
    padding: 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
    background: linear-gradient(90deg, #013088, #003CA5); /* degrade azul */
}

.sidebar .brand-main {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 2px;
}

.sidebar .brand-sub {
    font-size: 12px;
    text-transform: uppercase;
}

.sidebar .brand-sub.small {
    font-size: 11px;
    color: #ffdede;              /* tom claro puxando pro vermelho */
}

/* links do menu */
.sidebar ul {
    list-style: none;
    margin: 0;
    padding: 10px 0;
}

.sidebar li a {
    display: block;
    padding: 10px 16px;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
}

.sidebar li a:hover {
    background: rgba(255,255,255,0.08);
}

/* conteúdo */
.content {
    flex: 1;
    padding: 20px 30px;
}

/* cards do dashboard */
.grid.cards-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 16px;
    margin: 16px 0 24px;
}

.card {
    background: #f6f6f6;
    padding: 14px 16px;
    border-radius: 6px;
    border-left: 4px solid #A71C21;  /* vermelho Riva */
}

.card .muted {
    font-size: 12px;
    color: #666;
    text-transform: uppercase;
}

.card .big {
    font-size: 26px;
    font-weight: bold;
}

/* tabela */
.table-modern {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}

.table-modern th,
.table-modern td {
    padding: 8px 10px;
    border-bottom: 1px solid #ddd;
    font-size: 14px;
}

.table-modern thead {
    background: #f0f2f8;
}

.mt {
    margin-top: 24px;
}



</style>


</head>