:root {
  --fundo: #f6f5f2; --cartao: #fff; --texto: #1d1c1a; --suave: #6b6862; --borda: #e2dfd8;
  --acento: #5b3fa8; --alerta: #b3261e; --aviso-fundo: #fff4d6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #151418; --cartao: #1f1e24; --texto: #ecebf0; --suave: #a19fab; --borda: #34323b;
    --acento: #b49cff; --alerta: #ff8a80; --aviso-fundo: #3a3220;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--fundo); color: var(--texto);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--acento); }
header { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; padding: .75rem 1rem;
  background: var(--cartao); border-bottom: 1px solid var(--borda); }
.marca { font-weight: 700; text-decoration: none; font-size: 1.1rem; margin-right: auto; }
nav { display: flex; flex-wrap: wrap; gap: .25rem 1rem; align-items: center; }
nav a { text-decoration: none; }
nav form { margin: 0; }
main { max-width: 960px; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.4rem; display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
h2 { font-size: 1.1rem; margin: 1.25rem 0 .5rem; }
.cartao { display: block; background: var(--cartao); border: 1px solid var(--borda); border-radius: 10px;
  padding: 1rem; margin-bottom: 1rem; color: inherit; text-decoration: none; }
.cartao h2 { margin-top: 0; }
.linha { display: flex; flex-direction: column; gap: .15rem; margin-bottom: .5rem; padding: .75rem 1rem; }
.nome { font-weight: 600; }
.nota { color: var(--suave); font-size: .9rem; }
.notas { white-space: pre-wrap; }
.aviso { background: var(--aviso-fundo); padding: .6rem .8rem; border-radius: 8px; }
.alerta { color: var(--alerta); font-weight: 600; font-size: .85rem; }
.grade { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .75rem; }
.produto { display: flex; flex-direction: column; gap: .15rem; padding: .5rem; margin: 0; }
.produto img, .semfoto { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 6px; }
.semfoto { display: grid; place-items: center; background: var(--fundo); color: var(--suave); font-size: .85rem; }
.fotos { display: flex; gap: .5rem; overflow-x: auto; margin-bottom: 1rem; }
.fotos figure { margin: 0; flex: 0 0 auto; text-align: center; }
.fotos img { height: 220px; border-radius: 8px; display: block; }
table.precos { border-collapse: collapse; width: 100%; }
.precos th, .precos td { text-align: left; padding: .35rem .5rem .35rem 0; border-bottom: 1px solid var(--borda); }
dl { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; margin: 0; }
dt { color: var(--suave); }
dd { margin: 0; }
ul { padding-left: 1.2rem; }
label { display: block; margin-bottom: .75rem; }
input, select, textarea { display: block; width: 100%; margin-top: .25rem; padding: .55rem .6rem; font: inherit;
  color: var(--texto); background: var(--fundo); border: 1px solid var(--borda); border-radius: 6px; }
input[type=radio], input[type=checkbox] { display: inline; width: auto; margin: 0 .4rem 0 0; }
.opcao { display: flex; align-items: center; }
.par { display: flex; gap: .5rem; align-items: center; margin-bottom: .5rem; }
.par > * { flex: 1; margin: 0; }
.par .qtd { flex: 0 0 5rem; }
fieldset { border: 1px solid var(--borda); border-radius: 8px; margin: 0 0 1rem; padding: .75rem; }
legend { color: var(--suave); font-size: .9rem; }
textarea.codigo { font: 13px/1.4 ui-monospace, Menlo, Consolas, monospace; }
button, .botao { font: inherit; padding: .55rem 1.1rem; border-radius: 6px; border: 0; cursor: pointer;
  background: var(--acento); color: #fff; text-decoration: none; font-size: .95rem; }
@media (prefers-color-scheme: dark) { button, .botao { color: #151418; } }
button.link { background: none; color: var(--acento); padding: 0; }
.perigo button { background: var(--alerta); }
form.inline { display: inline; margin-left: .5rem; }
.login { max-width: 320px; margin: 15vh auto; }