:root{
  --ink:#211C16; --paper:#FBF7EF; --card:#FFFFFF;
  --gold:#E0A128; --gold-dk:#A6720C; --gold-soft:#FBEFD5;
  --green:#2E7D5B; --green-soft:#E6F2EA;
  --red:#C0392B; --red-soft:#FBE9E7;
  --line:#EBE3D4; --muted:#8B7F6B;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:15px;line-height:1.45}
.wrap{max-width:980px;margin:0 auto;padding:18px 16px 60px}
a{color:var(--gold-dk)}

/* topo / nav */
.top{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:44px;height:44px;border-radius:12px;background:var(--gold);
  display:grid;place-items:center;font-size:22px;box-shadow:0 2px 0 var(--gold-dk)}
.brand strong{display:block;font-size:17px}
.brand small{color:var(--muted);font-size:12px}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:9px;text-decoration:none;color:var(--ink);
  font-weight:600;font-size:13.5px;border:1px solid transparent}
.nav a:hover{background:#fff;border-color:var(--line)}
.nav a.on{background:var(--gold);color:#2A2109;border-color:var(--gold-dk)}
.nav a.sair{color:var(--muted)}

/* cartões */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:16px}
.card h2{margin:0 0 4px;font-size:16px}
.card p.sub{margin:0 0 14px;color:var(--muted);font-size:13px}
.card h3{margin:0 0 10px;font-size:15px}

/* formulário */
.row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:12px}
.field{display:flex;flex-direction:column;gap:4px;flex:1;min-width:150px}
.field label{font-size:12px;font-weight:700;letter-spacing:.2px}
.field .hint{font-size:11px;color:var(--muted)}
input,select{font-family:inherit;font-size:14px;padding:9px 10px;border:1px solid var(--line);
  border-radius:8px;background:#FFFDF9;color:var(--ink);width:100%;outline:none}
input[inputmode="decimal"]{font-family:var(--mono)}
input:focus,select:focus{border-color:var(--gold)}

/* botões */
.btn{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:13.5px;
  padding:9px 14px;border-radius:9px;cursor:pointer;border:1px solid var(--line);
  background:#fff;color:var(--ink);text-decoration:none}
.btn:hover{border-color:var(--gold)}
.btn-gold{background:var(--gold);color:#2A2109;border-color:var(--gold-dk)}
.btn-danger{background:var(--red-soft);color:var(--red);border-color:#EBC9C3}
.btn-sm{padding:6px 10px;font-size:12.5px}

/* tabelas / listas */
table{width:100%;border-collapse:collapse}
th{font-size:11px;color:var(--muted);text-transform:uppercase;text-align:left;padding:10px 8px;
  background:#FAF4E9;border-bottom:1px solid var(--line);letter-spacing:.3px}
td{padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
td.num,th.num{text-align:right;font-family:var(--mono)}
tr:last-child td{border-bottom:none}

/* grids de preço */
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}
.price{border-radius:14px;padding:16px;border:1px solid var(--line);background:#fff}
.price .lbl{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.3px}
.price .val{font-family:var(--mono);font-size:26px;font-weight:800;margin:4px 0 2px}
.price .sub{font-size:11.5px;color:var(--muted)}
.price.gold{background:var(--gold-soft);border-color:#EAD3A0}
.price.gold .lbl,.price.gold .val{color:var(--gold-dk)}
.price.green{background:var(--green-soft);border-color:#CFE6D8}
.price.green .lbl,.price.green .val{color:var(--green)}

/* métricas menores */
.metrics{display:flex;gap:18px;flex-wrap:wrap}
.metric .lbl{font-size:11px;font-weight:700;text-transform:uppercase;color:var(--muted);letter-spacing:.3px}
.metric .val{font-family:var(--mono);font-size:20px;font-weight:700;margin-top:2px}
.pos{color:var(--green)} .neg{color:var(--red)}

/* barra prejuízo/lucro */
.bar{position:relative;height:44px;border-radius:10px;border:1px solid var(--line);overflow:visible;margin-top:6px}
.bar .mark{position:absolute;top:0;bottom:0;width:2px}
.bar .mark span{position:absolute;top:100%;left:50%;transform:translateX(-50%);margin-top:4px;
  font-size:10.5px;font-weight:700;white-space:nowrap}
.zonas{display:flex;justify-content:space-between;margin-top:22px;font-size:11.5px;font-weight:700}

/* linhas de custo */
.linha{display:flex;justify-content:space-between;padding:5px 0;font-size:14px}
.linha .v{font-family:var(--mono)}
.linha.total{font-weight:800;border-top:1px solid var(--line);margin-top:6px;padding-top:8px}
.linha .n{color:var(--muted)} .linha.total .n{color:var(--ink)}

/* avisos */
.flash{padding:10px 14px;border-radius:9px;font-size:13.5px;font-weight:600;margin-bottom:14px}
.flash.ok{background:var(--green-soft);color:var(--green);border:1px solid #CFE6D8}
.flash.err{background:var(--red-soft);color:var(--red);border:1px solid #EBC9C3}
.aviso{display:flex;gap:8px;align-items:center;background:var(--red-soft);color:var(--red);
  border:1px solid #EBC9C3;border-radius:9px;padding:9px 12px;font-size:13px;font-weight:600;margin-top:12px}

/* layout produtos */
.split{display:grid;grid-template-columns:230px 1fr;gap:16px;align-items:start}
.lista a.item{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:9px;
  text-decoration:none;color:var(--ink);border:1px solid var(--line);background:#fff;margin-bottom:6px;font-weight:600;font-size:13.5px}
.lista a.item.on{background:var(--gold-soft);border-color:var(--gold-dk)}

/* login */
.login{max-width:380px;margin:8vh auto 0}
.login .card{padding:26px}
.login h1{margin:0 0 4px;font-size:20px}
.login .mark{font-size:34px;text-align:center;margin-bottom:6px}

.rodape{text-align:center;color:var(--muted);font-size:11.5px;margin-top:26px}
details summary{cursor:pointer;color:var(--gold-dk);font-weight:700;font-size:13px}
details p{color:var(--muted);font-size:13px;line-height:1.6;margin-top:8px}

@media(max-width:720px){
  .prices{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .nav a{font-size:13px;padding:7px 10px}
}

/* linhas de insumo (edição inline) */
.ins-head{display:flex;gap:8px;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;padding:0 2px 6px}
.ins-head span:nth-child(1){flex:1}
.ins-head span:nth-child(2){width:90px}
.ins-head span:nth-child(3){width:130px}
.ins-row{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.ins-form{display:flex;gap:8px;align-items:center;flex:1}
.ins-form input[name="nome"]{flex:1}
.ins-form select{width:90px}
.ins-form input[name="custo"]{width:130px}
@media(max-width:600px){
  .ins-head{display:none}
  .ins-row{flex-wrap:wrap}
  .ins-form{flex-wrap:wrap}
  .ins-form input[name="nome"]{flex:1 1 100%}
}