:root {
  --primaria: #0f3d63;
  --fundo: #f4f6f8;
  --superficie: #ffffff;
  --texto: #1d2430;
  --sutil: #5b6573;
  --borda: #dde2e8;
  --ok: #1e7a46;
  --ok-fundo: #e6f4ec;
  --erro: #b42318;
  --erro-fundo: #fdecea;
  --raio: 8px;
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--texto);
  background: var(--fundo);
}
a { color: var(--primaria); }
h1 { font-size: 1.5rem; margin: 0 0 .75rem; }
h2 { font-size: 1.05rem; margin: 0 0 .25rem; }
.sutil { color: var(--sutil); }

/* Topo e menu */
.topo {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: .75rem;
  height: 56px; padding: 0 16px;
  background: var(--superficie); border-bottom: 1px solid var(--borda);
}
.marca { display: flex; align-items: center; gap: .5rem; font-weight: 600; color: var(--texto); text-decoration: none; }
.marca-sigla {
  display: inline-grid; place-items: center; width: 32px; height: 32px;
  border-radius: 6px; background: var(--primaria); color: #fff; font-size: .8rem; font-weight: 700;
}
.topo-usuario { margin-left: auto; display: flex; align-items: center; gap: .75rem; }
.topo-usuario form { margin: 0; }
.topo-nome { color: var(--sutil); font-size: .9rem; }
.menu-botao { display: none; background: none; border: 0; font-size: 1.4rem; cursor: pointer; padding: 4px 8px; }

.estrutura { display: flex; min-height: calc(100vh - 56px); }
.menu {
  width: 220px; flex-shrink: 0; padding: 16px 8px;
  background: var(--superficie); border-right: 1px solid var(--borda);
  display: flex; flex-direction: column; gap: 2px;
}
.menu a, .menu-em-breve { display: block; padding: 8px 12px; border-radius: 6px; text-decoration: none; color: var(--texto); }
.menu a:hover { background: var(--fundo); }
.menu a.ativo { background: var(--primaria); color: #fff; }
.menu-em-breve { color: #9aa3ae; cursor: default; }
.menu-secao { margin: 16px 12px 4px; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--sutil); }
.conteudo { flex: 1; min-width: 0; padding: 24px; }

/* Componentes */
.cartao { background: var(--superficie); border: 1px solid var(--borda); border-radius: var(--raio); padding: 20px; }
.grade-cartoes { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin-top: 16px; }
.cartao-futuro p { color: var(--sutil); margin: 0 0 .75rem; }
.etiqueta { display: inline-block; font-size: .75rem; padding: 2px 8px; border-radius: 999px; background: var(--fundo); color: var(--sutil); }
.cabecalho-pagina { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.cabecalho-pagina h1 { margin: 0; }

.botao {
  display: inline-block; padding: 9px 16px; border: 0; border-radius: 6px;
  background: var(--primaria); color: #fff; font: inherit; font-weight: 600;
  text-decoration: none; cursor: pointer;
}
.botao:hover { filter: brightness(1.08); }
.botao-link { background: none; border: 0; color: var(--primaria); font: inherit; cursor: pointer; padding: 0; text-decoration: underline; }

.aviso { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.aviso ul { margin: 0; padding-left: 1.2rem; }
.aviso-ok { background: var(--ok-fundo); color: var(--ok); }
.aviso-erro { background: var(--erro-fundo); color: var(--erro); }

.formulario { display: grid; gap: 14px; max-width: 520px; }
label { display: grid; gap: 4px; font-weight: 500; }
label.caixa { display: flex; align-items: center; gap: 8px; }
input:not([type=checkbox]), select, textarea {
  width: 100%; padding: 9px 10px; font: inherit;
  border: 1px solid var(--borda); border-radius: 6px; background: #fff; color: var(--texto);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primaria); outline-offset: 0; border-color: var(--primaria); }
.acoes { display: flex; align-items: center; gap: 16px; }

.tabela-rolagem { overflow-x: auto; background: var(--superficie); border: 1px solid var(--borda); border-radius: var(--raio); }
.tabela { width: 100%; border-collapse: collapse; }
.tabela th, .tabela td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--borda); }
.tabela th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--sutil); background: #fafbfc; }
.tabela tr:last-child td { border-bottom: 0; }
.tabela tr.inativo td { color: #9aa3ae; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-cartao { width: 100%; max-width: 380px; display: grid; gap: 14px; }
.login-marca { display: flex; align-items: center; gap: .5rem; font-weight: 600; }
.login-cartao h1 { margin: 0; }
.login-voltar { text-align: center; font-size: .9rem; color: var(--sutil); }

/* Celular */
@media (max-width: 760px) {
  .menu-botao { display: block; }
  .topo-nome { display: none; }
  .menu {
    position: fixed; top: 56px; left: 0; bottom: 0; z-index: 9;
    transform: translateX(-100%); transition: transform .2s ease;
    box-shadow: 2px 0 12px rgba(0,0,0,.08);
  }
  .menu.aberto { transform: none; }
  .conteudo { padding: 16px; }
  .tabela thead { display: none; }
  .tabela, .tabela tbody, .tabela tr, .tabela td { display: block; width: 100%; }
  .tabela tr { border-bottom: 1px solid var(--borda); padding: 8px 0; }
  .tabela td { border: 0; padding: 4px 12px; }
  .tabela td[data-rotulo]::before { content: attr(data-rotulo) ": "; color: var(--sutil); font-size: .85rem; }
}