:root {
    --fundo: #f5f6f8;
    --cartao: #fff;
    --texto: #1c2430;
    --suave: #6b7686;
    --linha: #dde1e7;
    --primaria: #1f4e8c;
    --perigo: #b3261e;
    --ok: #1b6e3c;
}

@media (prefers-color-scheme: dark) {
    :root {
        --fundo: #12161c;
        --cartao: #1a2029;
        --texto: #e6e9ee;
        --suave: #97a1b0;
        --linha: #2c3542;
        --primaria: #6aa3e8;
        --perigo: #ff8a80;
        --ok: #6fd39a;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--fundo);
    color: var(--texto);
    font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: var(--primaria); }
h1 { font-size: 1.5rem; margin: 0 0 .5rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
code, pre { font-family: ui-monospace, Consolas, monospace; font-size: .9em; }
pre { background: var(--fundo); border: 1px solid var(--linha); border-radius: 6px; padding: .6rem; overflow-x: auto; }
dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: .25rem 1rem; }
dt { color: var(--suave); }
dd { margin: 0; overflow-wrap: anywhere; }

.shell { display: flex; min-height: 100vh; }
.menu { width: 200px; flex: none; background: var(--cartao); border-right: 1px solid var(--linha); padding: 1rem; display: flex; flex-direction: column; gap: .25rem; }
.menu a { color: var(--texto); text-decoration: none; padding: .4rem .6rem; border-radius: 6px; }
.menu a.ativo, .menu a:hover { background: var(--fundo); font-weight: 600; }
.menu .marca { font-weight: 700; font-size: 1.1rem; color: var(--primaria); margin-bottom: .75rem; }
.menu .sair { margin-top: auto; border-top: 1px solid var(--linha); padding-top: .75rem; }
.menu .usuario { display: block; color: var(--suave); font-size: .85rem; overflow-wrap: anywhere; }
.conteudo { flex: 1; min-width: 0; padding: 1.5rem; max-width: 1100px; }
.conteudo.estreito { max-width: 440px; margin: 4rem auto; }

.topo { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.grade { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1rem; }
.cartao { background: var(--cartao); border: 1px solid var(--linha); border-radius: 8px; padding: 1rem; margin: .75rem 0; }
.cartao h2 { margin-top: 0; }
.destaque { border-color: var(--primaria); }
.suave { color: var(--suave); }

table { width: 100%; border-collapse: collapse; background: var(--cartao); border: 1px solid var(--linha); border-radius: 8px; }
th, td { padding: .45rem .6rem; border-bottom: 1px solid var(--linha); text-align: left; vertical-align: top; }
th { color: var(--suave); font-weight: 600; font-size: .85rem; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.divergente td { background: rgba(179, 38, 30, .12); }
table.resumo td:first-child { width: 70%; }
tr.total td { font-weight: 700; border-top: 2px solid var(--texto); }

.form { display: flex; flex-direction: column; gap: .75rem; }
.form.em-linha { flex-direction: row; flex-wrap: wrap; align-items: flex-end; }
label { display: flex; flex-direction: column; gap: .25rem; font-size: .9rem; }
label.linha { flex-direction: row; align-items: center; gap: .5rem; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=month], select, textarea {
    font: inherit; padding: .45rem .6rem; border: 1px solid var(--linha); border-radius: 6px; background: var(--fundo); color: var(--texto); width: 100%;
}
.form.em-linha label { flex: 1 1 160px; }

.botao, button.botao {
    display: inline-block; font: inherit; cursor: pointer; text-decoration: none;
    background: var(--primaria); color: #fff; border: 1px solid var(--primaria); border-radius: 6px; padding: .45rem .9rem;
}
.botao.secundario { background: transparent; color: var(--primaria); }
.botao.perigo { background: var(--perigo); border-color: var(--perigo); color: #fff; }
button.link { background: none; border: 0; padding: 0; font: inherit; color: var(--primaria); cursor: pointer; text-decoration: underline; }

.aviso { padding: .6rem .8rem; border-radius: 6px; margin: .5rem 0; border: 1px solid var(--linha); background: var(--cartao); }
.aviso.ok { border-color: var(--ok); color: var(--ok); }
.aviso.erro { border-color: var(--perigo); color: var(--perigo); }
.alertas { padding-left: 1.2rem; }
.alertas li { margin: .25rem 0; }
.etiqueta { font-size: .75rem; border: 1px solid var(--linha); border-radius: 4px; padding: 0 .35rem; color: var(--suave); font-weight: 400; }

.qr { width: 184px; height: 184px; background: #fff; padding: 4px; }
.qr svg { width: 100%; height: 100%; display: block; }
.codigos { list-style: none; padding: 0; columns: 2; }

@media (max-width: 760px) {
    .shell { flex-direction: column; }
    .menu { width: auto; flex-direction: row; flex-wrap: wrap; align-items: center; border-right: 0; border-bottom: 1px solid var(--linha); }
    .menu .marca { margin: 0 .5rem 0 0; }
    .menu .sair { margin: 0 0 0 auto; border: 0; padding: 0; }
    table { display: block; overflow-x: auto; }
}