:root {
  --fundo: #fbf7f0;
  --texto: #2b2118;
  --suave: #5c4a3a;
  --destaque: #7a4b1e;
  --caixa: #f3eadc;
  --borda: #d9c7ad;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #1c1712;
    --texto: #f3e9dc;
    --suave: #cdbba5;
    --destaque: #e0a96d;
    --caixa: #2a221a;
    --borda: #4a3c2e;
  }
}

* { box-sizing: border-box; }

html { font-size: 106.25%; }

body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  line-height: 1.6;
}

.pular {
  position: absolute;
  left: -9999px;
}
.pular:focus {
  left: 1rem;
  top: 1rem;
  background: var(--caixa);
  padding: .5rem 1rem;
  z-index: 1;
}

header, main, footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1rem;
}

header {
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
}

.marca {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--texto);
  text-decoration: none;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .25rem 1rem;
}

a { color: var(--destaque); text-underline-offset: .15em; }
a:focus-visible { outline: 3px solid var(--destaque); outline-offset: 2px; }
nav a[aria-current="page"] { font-weight: 700; text-decoration: none; }

h1 { font-size: 1.9rem; line-height: 1.2; margin: 2rem 0 .25rem; }
h2 { font-size: 1.3rem; margin: 2.25rem 0 .5rem; }
h3 { font-size: 1.05rem; margin: 1.5rem 0 .25rem; }

.versao { color: var(--suave); margin-top: 0; }

.resumo {
  background: var(--caixa);
  border: 1px solid var(--borda);
  border-radius: .5rem;
  padding: .75rem 1.25rem;
  margin: 1.5rem 0;
}
.resumo h2 { margin-top: .5rem; font-size: 1.1rem; }

dl { margin: .75rem 0; }
dt { font-weight: 700; margin-top: .75rem; }
dd { margin: .1rem 0 0 1.25rem; }

.tabela { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; margin: .75rem 0; }
th, td {
  text-align: left;
  vertical-align: top;
  padding: .5rem .6rem;
  border-bottom: 1px solid var(--borda);
}
th { background: var(--caixa); }

footer {
  margin-top: 3rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--borda);
  color: var(--suave);
  font-size: .9rem;
}

/* ---------- painel web ---------- */
.aviso {
  background: var(--caixa);
  border-left: 4px solid var(--destaque);
  padding: .5rem .75rem;
}

label { font-weight: 600; }

input, select, button, .botao {
  font: inherit;
  color: var(--texto);
  background: var(--fundo);
  border: 1px solid var(--borda);
  border-radius: .35rem;
  padding: .4rem .6rem;
  max-width: 100%;
}
input:focus-visible, select:focus-visible, button:focus-visible, .botao:focus-visible {
  outline: 3px solid var(--destaque);
  outline-offset: 2px;
}
input[type="checkbox"] { width: 1.1rem; height: 1.1rem; vertical-align: middle; }

button, .botao {
  background: var(--destaque);
  color: var(--fundo);
  border-color: var(--destaque);
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button.link {
  background: none;
  border: none;
  color: var(--destaque);
  padding: 0;
  font-weight: 400;
  text-decoration: underline;
}

form.inline { display: inline; }
form.grade {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1rem;
  align-items: flex-end;
}
form.grade p { margin: .4rem 0; }

nav.abas ul { margin: 1rem 0; }
nav.abas a[aria-current="page"] { font-weight: 700; text-decoration: none; }