/* ============================================================
   ONIX ESTOQUE — identidade visual
   Preto (base) · Amarelo (destaque) · Branco/cinza (leitura)
   Mobile-first, botões grandes, poucos efeitos.
   ============================================================ */
:root{
  --black:#0a0a0b;
  --panel:#141416;
  --panel-2:#1c1c1f;
  --line:#2a2a2e;
  --yellow:#ffd400;
  --yellow-press:#e6bf00;
  --text:#f4f4f5;
  --muted:#a1a1aa;
  --white:#ffffff;
  --danger:#ef4444;
  --danger-bg:#3a1414;
  --ok:#22c55e;
  --ok-bg:#0f2a17;
  --warn:#f59e0b;
  --radius:14px;
  --tap:52px;               /* altura mínima de toque na recepção */
  --shadow:0 6px 20px rgba(0,0,0,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--black);color:var(--text);
  -webkit-font-smoothing:antialiased;line-height:1.45;
  padding-bottom:env(safe-area-inset-bottom);
}
a{color:var(--yellow);text-decoration:none}
button{font-family:inherit}
.hidden{display:none !important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- LOGIN ---------- */
.auth-wrap{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:12px;justify-content:center;margin-bottom:6px}
.brand .logo{width:44px;height:44px;border-radius:12px;background:var(--yellow);color:#000;
  display:grid;place-items:center;font-weight:900;font-size:22px}
.brand h1{font-size:22px;letter-spacing:.5px}
.brand .sub{color:var(--muted);font-size:13px;text-align:center;margin-bottom:22px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.input,select.input,textarea.input{
  width:100%;min-height:var(--tap);background:var(--panel-2);border:1px solid var(--line);
  color:var(--text);border-radius:10px;padding:12px 14px;font-size:16px;outline:none}
textarea.input{min-height:80px;resize:vertical}
.input:focus{border-color:var(--yellow)}
.btn{min-height:var(--tap);border:none;border-radius:10px;font-size:16px;font-weight:700;
  cursor:pointer;padding:12px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%}
.btn.primary{background:var(--yellow);color:#000}
.btn.primary:active{background:var(--yellow-press)}
.btn.ghost{background:var(--panel-2);color:var(--text);border:1px solid var(--line)}
.btn.danger{background:var(--danger);color:#fff}
.btn.sm{min-height:40px;font-size:14px;padding:8px 12px;width:auto}
.btn:disabled{opacity:.5;cursor:not-allowed}
.link-btn{background:none;border:none;color:var(--yellow);cursor:pointer;font-size:14px;padding:8px}
.auth-msg{margin-top:12px;font-size:14px;text-align:center;min-height:20px}
.auth-msg.err{color:var(--danger)}
.auth-msg.ok{color:var(--ok)}

/* ---------- LAYOUT APP ---------- */
.app-shell{display:none;min-height:100dvh}
.app-shell.on{display:block}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;
  background:var(--black);border-bottom:1px solid var(--line);padding:10px 14px;
  padding-top:calc(10px + env(safe-area-inset-top))}
.topbar .logo{width:34px;height:34px;border-radius:9px;background:var(--yellow);color:#000;
  display:grid;place-items:center;font-weight:900}
.topbar .title{font-weight:800;letter-spacing:.5px}
.topbar .who{margin-left:auto;text-align:right;font-size:12px;color:var(--muted);line-height:1.2}
.topbar .who b{color:var(--text);font-size:13px}
.badge{display:inline-block;font-size:10px;font-weight:800;text-transform:uppercase;
  padding:2px 7px;border-radius:999px;background:var(--yellow);color:#000;letter-spacing:.4px}
.badge.gray{background:var(--panel-2);color:var(--muted);border:1px solid var(--line)}

.container{max-width:1100px;margin:0 auto;padding:16px 14px 90px}

/* NAV inferior (mobile) / lateral não; simples e grande */
.nav{position:fixed;bottom:0;left:0;right:0;z-index:20;background:var(--panel);
  border-top:1px solid var(--line);display:flex;padding:6px 4px;
  padding-bottom:calc(6px + env(safe-area-inset-bottom))}
.nav button{flex:1;background:none;border:none;color:var(--muted);cursor:pointer;
  display:flex;flex-direction:column;align-items:center;gap:2px;font-size:10.5px;
  padding:6px 2px;border-radius:10px;min-height:52px;font-weight:600}
.nav button .ic{font-size:19px;line-height:1}
.nav button.active{color:var(--yellow)}
.nav button.active .ic{transform:translateY(-1px)}

/* ---------- COMPONENTES ---------- */
.page-title{display:flex;align-items:center;gap:10px;margin:4px 0 16px}
.page-title h2{font-size:20px}
.page-title .spacer{margin-left:auto}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.card + .card{margin-top:12px}

.grid{display:grid;gap:12px}
.grid.stats{grid-template-columns:repeat(2,1fr)}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.stat .k{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.stat .v{font-size:22px;font-weight:800;margin-top:4px}
.stat .v.small{font-size:18px}
.stat.accent{border-color:var(--yellow)}
.stat.accent .v{color:var(--yellow)}

.rowline{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.rowline:last-child{border-bottom:none}
.rowline .grow{flex:1;min-width:0}
.rowline .grow .t{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rowline .grow .s{font-size:12px;color:var(--muted)}
.rowline .val{text-align:right;white-space:nowrap}
.rowline .val .s{font-size:12px;color:var(--muted)}

.pill{font-size:11px;font-weight:700;padding:3px 8px;border-radius:999px;white-space:nowrap}
.pill.in{background:var(--ok-bg);color:#86efac}
.pill.out{background:var(--danger-bg);color:#fca5a5}
.pill.neutral{background:var(--panel-2);color:var(--muted)}
.pill.low{background:#3a2a09;color:#fcd34d}

.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.toolbar .input{width:auto;flex:1;min-width:140px}
.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{background:var(--panel-2);border:1px solid var(--line);color:var(--muted);
  border-radius:999px;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer;min-height:40px}
.seg button.active{background:var(--yellow);color:#000;border-color:var(--yellow)}

table{width:100%;border-collapse:collapse;font-size:14px}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
th,td{text-align:left;padding:10px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.3px}
tr.clickable{cursor:pointer}
tr.clickable:active{background:var(--panel-2)}
td.num,th.num{text-align:right}

.empty{text-align:center;color:var(--muted);padding:36px 16px}
.empty .ic{font-size:34px;display:block;margin-bottom:8px;opacity:.7}
.loading{text-align:center;color:var(--muted);padding:30px}
.spinner{width:26px;height:26px;border:3px solid var(--line);border-top-color:var(--yellow);
  border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 10px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- VENDA RÁPIDA ---------- */
.pos-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.pos-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;text-align:left;cursor:pointer;min-height:88px;display:flex;flex-direction:column;
  justify-content:space-between;color:var(--text)}
.pos-item:active{border-color:var(--yellow)}
.pos-item.selected{border-color:var(--yellow);background:#1a1704}
.pos-item .nm{font-weight:700;font-size:15px}
.pos-item .pr{color:var(--yellow);font-weight:800;margin-top:6px}
.pos-item .st{font-size:11px;color:var(--muted)}
.pos-item .st.low{color:#fcd34d}
.pos-item .qtag{position:absolute}
.pos-item{position:relative}
.pos-item .count{position:absolute;top:8px;right:8px;background:var(--yellow);color:#000;
  font-weight:800;border-radius:999px;min-width:24px;height:24px;display:grid;place-items:center;font-size:13px;padding:0 6px}

.cart{position:fixed;left:0;right:0;bottom:64px;z-index:15;background:var(--panel);
  border-top:2px solid var(--yellow);box-shadow:0 -6px 20px rgba(0,0,0,.4);
  padding:12px 14px;padding-bottom:12px;transform:translateY(120%);transition:transform .18s ease}
.cart.on{transform:translateY(0)}
.cart .line{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)}
.cart .line:last-of-type{border-bottom:none}
.cart .line .nm{flex:1;min-width:0;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stepper{display:flex;align-items:center;gap:8px}
.stepper button{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel-2);color:var(--text);font-size:20px;font-weight:800;cursor:pointer}
.stepper .q{min-width:28px;text-align:center;font-weight:800}
.cart .foot{display:flex;align-items:center;gap:12px;margin-top:10px}
.cart .foot .tot{flex:1}
.cart .foot .tot .a{font-size:12px;color:var(--muted)}
.cart .foot .tot .b{font-size:20px;font-weight:800}
.cart .foot .btn{width:auto;flex:0 0 auto;padding:0 22px}

/* ---------- MODAL ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:40;display:none;
  align-items:flex-end;justify-content:center;padding:0}
.modal-bg.on{display:flex}
.modal{width:100%;max-width:560px;background:var(--panel);border:1px solid var(--line);
  border-radius:18px 18px 0 0;max-height:92dvh;overflow:auto;padding:18px 16px 24px}
.modal .mhead{display:flex;align-items:center;margin-bottom:14px}
.modal .mhead h3{font-size:18px}
.modal .mhead .x{margin-left:auto;background:var(--panel-2);border:1px solid var(--line);color:var(--text);
  width:38px;height:38px;border-radius:10px;font-size:18px;cursor:pointer}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mt12{margin-top:12px}.mt8{margin-top:8px}
.help{font-size:12px;color:var(--muted);margin-top:4px}
.readonly-box{background:var(--panel-2);border:1px dashed var(--line);border-radius:10px;padding:10px 12px;color:var(--muted);font-size:13px}

/* ---------- TOAST ---------- */
.toast{position:fixed;left:50%;bottom:120px;transform:translateX(-50%) translateY(20px);
  background:var(--panel-2);border:1px solid var(--line);color:var(--text);
  padding:12px 18px;border-radius:12px;z-index:60;opacity:0;transition:.2s;font-weight:600;
  max-width:92vw;text-align:center;box-shadow:var(--shadow)}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.ok{border-color:var(--ok)}
.toast.err{border-color:var(--danger)}

/* ---------- responsivo ---------- */
@media(min-width:720px){
  .grid.stats{grid-template-columns:repeat(4,1fr)}
  .pos-grid{grid-template-columns:repeat(3,1fr)}
  .form-row.three{grid-template-columns:1fr 1fr 1fr}
  .modal-bg{align-items:center;padding:20px}
  .modal{border-radius:18px}
  .cart{max-width:1100px;left:50%;transform:translateX(-50%) translateY(120%);border-radius:14px 14px 0 0}
  .cart.on{transform:translateX(-50%) translateY(0)}
}
@media(min-width:900px){
  .nav{max-width:1100px;left:50%;transform:translateX(-50%);border-radius:14px 14px 0 0}
}
@media print{
  .topbar,.nav,.cart,.toolbar,.seg,.btn,.no-print{display:none !important}
  body{background:#fff;color:#000}
  .card,.stat{border-color:#ccc;box-shadow:none;background:#fff;color:#000}
  .container{padding:0}
  th,td{border-color:#ccc}
  .muted,.stat .k,.rowline .s{color:#333}
}