/* ============================================================
   Vendas — design system profissional (estilo ERP/PDV)
   ============================================================ */
:root{
  --primary:#2f6fed; --primary-d:#1d4ed8; --primary-soft:#eaf1fe;
  --green:#12b76a; --green-soft:#e7f7ef; --amber:#f79009; --red:#f04438; --red-soft:#fef3f2;
  --ink:#101828; --muted:#667085; --faint:#98a2b3;
  --bg:#f5f6fa; --card:#ffffff; --line:#e4e7ec; --line2:#f2f4f7;
  --side:#0c1425; --side2:#141d33; --side-txt:#aeb9d1;
  --shadow-sm:0 1px 2px rgba(16,24,40,.06); --shadow:0 4px 14px rgba(16,24,40,.08);
  --radius:12px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:'Inter',system-ui,'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;letter-spacing:-.01em}
small{font-size:12px}
a{color:inherit}

/* ---- botões ---- */
button{font-family:inherit;cursor:pointer}
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border:1px solid var(--line);background:#fff;border-radius:9px;font-size:14px;font-weight:500;color:var(--ink);box-shadow:var(--shadow-sm);transition:.12s}
.btn:hover{background:#f9fafb;border-color:#d0d5dd}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn.primary:hover{background:var(--primary-d);border-color:var(--primary-d)}
.btn.verde{background:var(--green);color:#fff;border-color:var(--green)}
.btn.verde:hover{filter:brightness(.95)}
.btn.danger{background:#fff;color:var(--red);border-color:#fecdca}
.btn.danger:hover{background:var(--red-soft)}
.btn.sm{padding:6px 11px;font-size:12.5px;border-radius:8px}
.btn.ghost{border-color:transparent;box-shadow:none;background:transparent}

/* ---- inputs ---- */
input,select,textarea{width:auto;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink);transition:.12s;outline:none}
input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
label{display:block;font-size:12.5px;color:var(--muted);margin:10px 0 5px;font-weight:500}

/* ---- tabelas ---- */
table{width:100%;border-collapse:collapse;font-size:13.5px}
thead th{text-align:left;padding:10px 14px;color:var(--muted);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;background:var(--line2);border-bottom:1px solid var(--line)}
thead th:first-child{border-top-left-radius:8px}thead th:last-child{border-top-right-radius:8px}
tbody td{padding:12px 14px;border-bottom:1px solid var(--line2)}
tbody tr:hover{background:#fafbfc}
.num{text-align:right;font-variant-numeric:tabular-nums}

/* ---- login ---- */
#login{position:fixed;inset:0;background:radial-gradient(1200px 600px at 20% -10%,#1e3a8a,#0b1220);display:flex;align-items:center;justify-content:center;z-index:1000}
#login .cx{background:#fff;padding:40px;border-radius:18px;width:380px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
#login .logo{width:52px;height:52px;border-radius:13px;background:linear-gradient(135deg,var(--primary),#6d28d9);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
#login h1{font-size:23px}
#login p{margin:2px 0 22px;color:var(--muted)}
#login .err{color:var(--red);min-height:18px;margin-top:12px;font-size:13px}

/* ---- shell / sidebar ---- */
.shell{display:flex;min-height:100vh}
.side{width:236px;background:var(--side);color:var(--side-txt);display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0;height:100vh}
.side .marca{display:flex;align-items:center;gap:11px;padding:18px 18px 16px}
.side .marca .ic{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#7c3aed);display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0}
.side .marca b{color:#fff;font-size:15.5px;display:block;line-height:1.2}
.side .marca small{color:#6b7896;font-size:11.5px;text-transform:capitalize}
.side .grp{padding:16px 18px 6px;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:#5b6884}
.side nav{padding:6px 12px;flex:1;overflow:auto}
.side a{display:flex;gap:11px;align-items:center;padding:10px 12px;color:var(--side-txt);text-decoration:none;border-radius:9px;font-size:14px;font-weight:500;cursor:pointer;transition:.12s;position:relative}
.side a .ic{width:20px;text-align:center;font-size:16px;opacity:.9}
.side a:hover{background:var(--side2);color:#fff}
.side a.on{background:linear-gradient(90deg,rgba(47,111,237,.25),rgba(47,111,237,.08));color:#fff}
.side a.on:before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--primary)}
.side .userbox{padding:14px 16px;border-top:1px solid rgba(255,255,255,.07);font-size:13px}
.side .userbox .av{display:inline-flex;width:30px;height:30px;border-radius:50%;background:var(--primary);color:#fff;align-items:center;justify-content:center;font-weight:600;margin-right:8px;font-size:13px}
.side .userbox a{display:inline-block;padding:5px 0;font-size:12.5px}

.main{flex:1;overflow:auto;max-height:100vh;padding:22px 28px}
.pagehead{position:sticky;top:0;z-index:5;background:rgba(245,246,250,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding:16px 28px;display:flex;align-items:center;gap:14px}
.pagehead h2{font-size:19px}
.pagehead .sub{color:var(--muted);font-size:12.5px}
.content{padding:22px 28px}
.spacer{flex:1}
.topo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.topo h2{font-size:19px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px;box-shadow:var(--shadow-sm)}
.card h3{font-size:15px;margin-bottom:14px}

/* ---- KPIs ---- */
.grid-kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:18px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:2px}
.kpi .ic{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:10px;background:var(--primary-soft)}
.kpi .v{font-size:26px;font-weight:700;letter-spacing:-.02em}
.kpi .l{color:var(--muted);font-size:12.5px}
.kpi.green .ic{background:var(--green-soft)} .kpi.green .v{color:var(--green)}
.kpi.amber .ic{background:#fef0c7}

/* ---- gráfico de barras (SVG) ---- */
.chart{display:flex;align-items:flex-end;gap:10px;height:180px;padding-top:10px}
.chart .bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;justify-content:flex-end;height:100%}
.chart .bar .b{width:70%;max-width:46px;background:linear-gradient(180deg,var(--primary),#6ea8fe);border-radius:6px 6px 0 0;min-height:3px;transition:.3s}
.chart .bar small{color:var(--muted);font-size:11px}
.chart .bar .val{font-size:11px;font-weight:600;color:var(--ink)}

/* ---- frente de caixa ---- */
.pdv{display:grid;grid-template-columns:1fr 400px;gap:18px;align-items:start}
.busca-prod{width:100%;font-size:15px;padding:12px 14px;margin-bottom:14px}
.cats{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.cat-chip{padding:7px 14px;border-radius:20px;border:1px solid var(--line);background:#fff;font-size:13px;font-weight:500;color:var(--muted);cursor:pointer;transition:.12s}
.cat-chip:hover{border-color:#d0d5dd}
.cat-chip.on{background:var(--primary);color:#fff;border-color:var(--primary)}
.prods{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:11px;padding:14px;cursor:pointer;transition:.12s;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.prod-card:hover{border-color:var(--primary);box-shadow:0 6px 18px rgba(47,111,237,.14);transform:translateY(-1px)}
.prod-card .n{font-weight:600;margin-bottom:6px;font-size:14px;line-height:1.3}
.prod-card .p{color:var(--green);font-weight:700;font-size:16px}
.prod-card .e{color:var(--faint);font-size:11px;margin-top:2px}
.prod-card.esgotado{opacity:.5;cursor:not-allowed}
.prod-card.esgotado:hover{transform:none;box-shadow:var(--shadow-sm);border-color:var(--line)}

.cart{position:sticky;top:16px;padding:0;overflow:hidden}
.cart .ch{padding:16px 18px;border-bottom:1px solid var(--line);font-weight:600;display:flex;justify-content:space-between;align-items:center}
.cart .body{padding:16px 18px;max-height:calc(100vh - 320px);overflow:auto}
.cart .foot{padding:16px 18px;border-top:1px solid var(--line);background:#fbfcfe}
.cart .item{display:flex;align-items:center;gap:8px;padding:9px 0;border-bottom:1px solid var(--line2)}
.cart .item .qt{display:flex;align-items:center;gap:7px}
.cart .item .qt button{width:27px;height:27px;border-radius:7px;border:1px solid var(--line);background:#fff;font-weight:600;color:var(--ink)}
.cart .tot{font-size:30px;font-weight:800;letter-spacing:-.02em}
.pg-opts{display:flex;gap:8px}
.pg-opts label{flex:1;text-align:center;padding:10px 4px;border:1px solid var(--line);border-radius:9px;cursor:pointer;margin:0;font-size:13px;transition:.12s}
.pg-opts input{display:none}
.pg-opts label:has(input:checked){border-color:var(--primary);background:var(--primary-soft);color:var(--primary-d);font-weight:600}

/* ---- estado vazio / badges ---- */
.vazio{color:var(--faint);text-align:center;padding:36px 16px}
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600}
.badge.g{background:var(--green-soft);color:var(--green)} .badge.r{background:var(--red-soft);color:var(--red)} .badge.a{background:#fef0c7;color:#b54708}

/* ---- modal ---- */
.modal-bg{position:fixed;inset:0;background:rgba(16,24,40,.55);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:900;padding:20px}
.modal{background:#fff;border-radius:16px;padding:26px;width:520px;max-height:88vh;overflow:auto;box-shadow:0 30px 90px rgba(16,24,40,.35)}
.modal h3{font-size:18px;margin-bottom:16px}
.form2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form2 .full{grid-column:1/3}
hr{border:0;border-top:1px solid var(--line);margin:14px 0}

#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:13px 22px;border-radius:11px;z-index:1100;opacity:0;transition:.25s;pointer-events:none;box-shadow:var(--shadow);font-weight:500}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}