:root{
  --bg:#14100f;
  --bg-2:#1c1715;
  --card:#211b19;
  --card-2:#2a2320;
  --line:#3a2f2b;
  --txt:#f6ece6;
  --muted:#a8968d;
  --red:#e2452f;
  --red-dk:#b3321f;
  --green:#38b26a;
  --amber:#e8a33d;
  --blue:#4a9bd4;
  --radius:14px;
  --sidebar:232px;
  font-synthesis-weight:none;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:"Inter","Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  font-size:15px;line-height:1.45;
  -webkit-text-size-adjust:100%;
}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--blue)}

/* ---------- layout ---------- */
#app{display:flex;min-height:100%}
#sidebar{
  width:var(--sidebar);flex:0 0 var(--sidebar);
  background:var(--bg-2);border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:40;
}
.brand{display:flex;gap:10px;align-items:center;padding:18px 16px;border-bottom:1px solid var(--line)}
.brand-logo{width:38px;height:38px;flex:0 0 38px}
.brand-logo img{width:100%;height:100%;display:block;border-radius:50%;background:#000}
.brand strong{display:block;font-size:14px;letter-spacing:.06em;text-transform:uppercase}
.brand span{font-size:11px;color:var(--muted)}
#nav{flex:1;overflow:auto;padding:10px 8px;display:flex;flex-direction:column;gap:2px}
#nav button{
  display:flex;align-items:center;gap:10px;width:100%;text-align:left;
  background:none;border:0;padding:10px 12px;border-radius:10px;cursor:pointer;color:var(--muted);font-size:14px;
}
#nav button:hover{background:var(--card);color:var(--txt)}
#nav button.active{background:var(--red);color:#fff;font-weight:600}
#nav .ico{width:20px;text-align:center}
#nav .badge{margin-left:auto;background:var(--card-2);color:var(--amber);font-size:11px;padding:1px 7px;border-radius:20px}
#nav button.active .badge{background:rgba(0,0,0,.25);color:#fff}
.side-foot{padding:12px 16px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}

main{flex:1;margin-left:var(--sidebar);min-width:0;display:flex;flex-direction:column}
#topbar{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:12px;
  padding:12px 18px;background:rgba(20,16,15,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
#topbar h1{font-size:18px;font-weight:650;flex:1}
#view{padding:18px;max-width:1180px;width:100%}
#menuBtn{display:none}
#scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:35}

@media (max-width:860px){
  #sidebar{transform:translateX(-100%);transition:transform .2s ease}
  body.nav-open #sidebar{transform:none}
  body.nav-open #scrim{display:block}
  main{margin-left:0}
  #menuBtn{display:block}
  #view{padding:14px 12px 90px}
  #topbar h1{font-size:16px}
}

/* ---------- bits ---------- */
.btn{
  border:1px solid var(--line);background:var(--card);border-radius:10px;
  padding:9px 14px;cursor:pointer;font-size:14px;font-weight:550;white-space:nowrap;
}
.btn:hover{background:var(--card-2)}
.btn-primary{background:var(--red);border-color:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dk)}
.btn-ok{background:var(--green);border-color:var(--green);color:#06240f}
.btn-ghost{background:none}
.btn-sm{padding:5px 10px;font-size:13px;border-radius:8px}
.btn-block{width:100%;justify-content:center;text-align:center}
.btn:disabled{opacity:.45;cursor:not-allowed}
.icon-btn{background:none;border:0;font-size:19px;cursor:pointer;color:var(--muted);padding:4px 8px;border-radius:8px}
.icon-btn:hover{color:var(--txt);background:var(--card)}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.card h3{font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:12px;font-weight:600}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(155px,1fr))}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spread{display:flex;justify-content:space-between;align-items:center;gap:10px}
.mt{margin-top:16px}
.muted{color:var(--muted)}
.small{font-size:13px}
.tiny{font-size:11.5px}
.right{text-align:right}
.center{text-align:center}
.nowrap{white-space:nowrap}

.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.kpi .lbl{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.kpi .val{font-size:24px;font-weight:700;margin-top:4px;letter-spacing:-.02em}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:2px}
.kpi.red .val{color:var(--red)}
.kpi.green .val{color:var(--green)}
.kpi.amber .val{color:var(--amber)}

.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600;background:var(--card-2);color:var(--muted)}
.tag.green{background:rgba(56,178,106,.16);color:var(--green)}
.tag.red{background:rgba(226,69,47,.16);color:var(--red)}
.tag.amber{background:rgba(232,163,61,.16);color:var(--amber)}
.tag.blue{background:rgba(74,155,212,.16);color:var(--blue)}

label.field{display:block;margin-bottom:10px}
label.field > span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
input,select,textarea{
  width:100%;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:9px 11px;outline:none;
}
input:focus,select:focus,textarea:focus{border-color:var(--red)}
textarea{min-height:70px;resize:vertical}
input[type=checkbox]{width:auto}

table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:8px 10px;border-bottom:1px solid var(--line);font-weight:600}
td{padding:9px 10px;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:0}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.empty{padding:28px 12px;text-align:center;color:var(--muted);font-size:14px}

/* ---------- POS ---------- */
.pos{display:grid;grid-template-columns:1fr 340px;gap:14px;align-items:start}
@media (max-width:980px){.pos{grid-template-columns:1fr}}
.cat-bar{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:12px}
.cat-bar button{border:1px solid var(--line);background:var(--card);border-radius:20px;padding:6px 14px;cursor:pointer;font-size:13px;white-space:nowrap}
.cat-bar button.active{background:var(--red);border-color:var(--red);color:#fff}
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:10px}
.prod{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:11px;cursor:pointer;text-align:left}
.prod:hover{border-color:var(--red)}
.prod .n{font-size:13.5px;font-weight:600;line-height:1.25}
.prod .p{color:var(--amber);font-weight:700;margin-top:6px}
.cart{position:sticky;top:76px}
.cart-lines{max-height:38vh;overflow:auto;margin:-4px 0 10px}
.cart-line{display:flex;align-items:center;gap:8px;padding:7px 0;border-bottom:1px solid var(--line)}
.cart-line .n{flex:1;font-size:13.5px}
.qty{display:flex;align-items:center;gap:6px}
.qty button{width:26px;height:26px;border-radius:7px;border:1px solid var(--line);background:var(--card-2);cursor:pointer;line-height:1}
.total-line{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);padding:3px 0}
.total-line.big{font-size:20px;font-weight:700;color:var(--txt);border-top:1px solid var(--line);margin-top:6px;padding-top:9px}

/* ---------- charts ---------- */
.bars{display:flex;align-items:flex-end;gap:5px;height:130px;margin-top:6px}
.bars .b{flex:1;background:linear-gradient(180deg,var(--red),var(--red-dk));border-radius:5px 5px 0 0;min-height:3px;position:relative}
.bars .b span{position:absolute;bottom:-18px;left:0;right:0;text-align:center;font-size:9.5px;color:var(--muted)}
.bars-wrap{padding-bottom:20px}
.meter{height:8px;background:var(--card-2);border-radius:20px;overflow:hidden;margin-top:6px}
.meter i{display:block;height:100%;background:var(--red);border-radius:20px}

/* ---------- modal / toast ---------- */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:60;display:flex;align-items:center;justify-content:center;padding:14px}
.modal[hidden]{display:none}
.modal-card{background:var(--card);border:1px solid var(--line);border-radius:16px;width:100%;max-width:460px;max-height:88vh;overflow:auto}
.modal-card header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--card)}
.modal-card h3{font-size:16px}
#modalBody{padding:16px}
#toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,120%);background:var(--card-2);border:1px solid var(--line);padding:11px 18px;border-radius:12px;z-index:80;transition:transform .22s;font-size:14px;max-width:90vw}
#toast.show{transform:translate(-50%,0)}
#toast.ok{border-color:var(--green)}
#toast.err{border-color:var(--red)}
.hr{height:1px;background:var(--line);margin:14px 0}