:root {
  --marca: #1f6f5c;
  --marca-texto: #ffffff;
  --fundo: #f6f6f3;
  --cartao: #ffffff;
  --texto: #1c1c1a;
  --suave: #6a6a64;
  --linha: #e4e4de;
  --perigo: #b4372f;
  --aviso: #a86a00;
  --ok: #2c7a3f;
  --raio: 14px;
  --sombra: 0 1px 2px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --fundo: #141413; --cartao: #1e1e1c; --texto: #f1f1ec; --suave: #a2a29b;
    --linha: #33332f; --perigo: #ec7b72; --aviso: #e0a640; --ok: #6cc785;
    --sombra: none;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--fundo); color: var(--texto); }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; font-size: 16px; line-height: 1.4; -webkit-tap-highlight-color: transparent; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

.carregando { min-height: 100vh; display: grid; place-items: center; font-weight: 800; letter-spacing: .08em; color: var(--suave); }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login form { width: 100%; max-width: 360px; display: grid; gap: 12px; }
.login h1 { margin: 0; font-size: 2.4rem; letter-spacing: .06em; text-align: center; }
.login .slogan { margin: 0 0 12px; text-align: center; color: var(--suave); }

/* Estrutura */
.topo { position: sticky; top: 0; z-index: 5; background: var(--fundo); display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--linha); }
.topo .logo { width: 36px; height: 36px; border-radius: 10px; object-fit: cover; background: var(--marca); color: var(--marca-texto); display: grid; place-items: center; font-weight: 800; flex: none; }
.topo .nome { font-weight: 700; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topo .papel { font-size: .75rem; color: var(--suave); }
main { padding: 16px 16px 160px; max-width: 720px; margin: 0 auto; }
.abas { position: fixed; bottom: 0; left: 0; right: 0; z-index: 6; display: flex; background: var(--cartao); border-top: 1px solid var(--linha); padding-bottom: env(safe-area-inset-bottom); }
.abas button { flex: 1; border: 0; background: none; padding: 10px 4px 12px; font-size: .78rem; color: var(--suave); display: grid; justify-items: center; gap: 2px; }
.abas button svg { width: 22px; height: 22px; }
.abas button[aria-selected="true"] { color: var(--marca); font-weight: 700; }

h2 { font-size: 1.1rem; margin: 20px 0 10px; }
h2:first-child { margin-top: 0; }
.cartao { background: var(--cartao); border-radius: var(--raio); box-shadow: var(--sombra); border: 1px solid var(--linha); padding: 14px; }
.lista { display: grid; gap: 8px; }
.lista > * { min-width: 0; }
button.item { font: inherit; color: inherit; }
.vazio { color: var(--suave); text-align: center; padding: 24px 8px; }
.suave { color: var(--suave); }
.pequeno { font-size: .85rem; }

/* Botões e campos */
.btn { border: 1px solid var(--linha); background: var(--cartao); border-radius: 12px; padding: 12px 16px; font-weight: 600; min-height: 46px; }
.btn.principal { background: var(--marca); color: var(--marca-texto); border-color: var(--marca); }
.btn.perigo { color: var(--perigo); }
.btn.cheio { width: 100%; }
.btn:disabled { opacity: .5; cursor: default; }
.btn.mini { min-height: 34px; padding: 6px 12px; font-size: .9rem; border-radius: 10px; }
label.campo { display: grid; gap: 4px; font-size: .9rem; color: var(--suave); }
input, select, textarea { width: 100%; border: 1px solid var(--linha); background: var(--cartao); border-radius: 12px; padding: 12px; min-height: 46px; font-size: 16px; }
input:focus, select:focus, textarea:focus, .btn:focus-visible { outline: 2px solid var(--marca); outline-offset: 1px; }
.linha2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.erro { color: var(--perigo); font-size: .9rem; }

/* Chips */
.chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 12px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: none; border: 1px solid var(--linha); background: var(--cartao); border-radius: 999px; padding: 8px 14px; font-size: .9rem; }
.chip[aria-pressed="true"] { background: var(--marca); color: var(--marca-texto); border-color: var(--marca); }

/* Produtos (vender) */
.grade { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.produto { text-align: left; border: 1px solid var(--linha); background: var(--cartao); border-radius: var(--raio); padding: 12px; min-height: 84px; display: grid; align-content: space-between; gap: 6px; box-shadow: var(--sombra); position: relative; }
.produto .nome { font-weight: 600; }
.produto .preco { color: var(--marca); font-weight: 700; }
.produto .qtd { position: absolute; top: 8px; right: 8px; background: var(--marca); color: var(--marca-texto); border-radius: 999px; min-width: 24px; height: 24px; display: grid; place-items: center; font-size: .8rem; font-weight: 700; padding: 0 6px; }

.carrinho { position: fixed; left: 12px; right: 12px; bottom: calc(68px + env(safe-area-inset-bottom)); z-index: 6; max-width: 696px; margin: 0 auto; }
.carrinho .btn { width: 100%; display: flex; justify-content: space-between; align-items: center; box-shadow: 0 4px 16px rgba(0,0,0,.18); }

/* Itens de lista */
.item { display: flex; align-items: center; gap: 10px; }
.item .meio { flex: 1; min-width: 0; }
.item .titulo { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item .valor { font-weight: 700; white-space: nowrap; }
.etiqueta { display: inline-block; font-size: .72rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--linha); }
.etiqueta.receber { background: color-mix(in srgb, var(--aviso) 18%, transparent); color: var(--aviso); }
.etiqueta.pago { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }
.qtd-ctrl { display: flex; align-items: center; gap: 6px; }
.qtd-ctrl button { width: 34px; height: 34px; border-radius: 10px; border: 1px solid var(--linha); background: var(--cartao); font-weight: 700; }
.total { display: flex; justify-content: space-between; font-weight: 700; font-size: 1.15rem; }

/* Sheet */
.sheet { position: fixed; inset: 0; z-index: 20; }
.sheet-fundo { position: absolute; inset: 0; background: rgba(0,0,0,.4); }
.sheet-caixa { position: absolute; left: 0; right: 0; bottom: 0; max-height: 92vh; overflow-y: auto; background: var(--fundo); border-radius: 20px 20px 0 0; padding: 18px 16px calc(18px + env(safe-area-inset-bottom)); max-width: 720px; margin: 0 auto; display: grid; gap: 12px; }
.sheet-caixa h3 { margin: 0; font-size: 1.15rem; }
.sheet-acoes { display: flex; gap: 10px; }
.sheet-acoes .btn { flex: 1; }

.pix-qr { display: grid; justify-items: center; gap: 8px; background: #fff; border-radius: var(--raio); padding: 12px; }
.pix-qr svg, .pix-qr img { width: 220px; height: 220px; }

.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(140px + env(safe-area-inset-bottom)); z-index: 30; background: var(--texto); color: var(--fundo); padding: 10px 16px; border-radius: 12px; font-size: .9rem; max-width: calc(100% - 32px); }
.aviso-leitor { background: color-mix(in srgb, var(--aviso) 14%, transparent); color: var(--aviso); border-radius: 12px; padding: 10px 12px; margin-bottom: 12px; font-size: .9rem; }

.editavel { display: grid; gap: 8px; }
.editavel .item input { min-height: 40px; padding: 8px 10px; }
.cor-amostras { display: flex; gap: 8px; flex-wrap: wrap; }
.cor-amostras button { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--cartao); box-shadow: 0 0 0 1px var(--linha); }
.cor-amostras button[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--texto); }
.logo-previa { width: 64px; height: 64px; border-radius: 16px; object-fit: cover; background: var(--marca); color: var(--marca-texto); display: grid; place-items: center; font-weight: 800; font-size: 1.4rem; }