:root{
  --azul:#0f2544; --azul2:#1b3a67; --rojo:#c1121f; --verde:#1c7c4a;
  --gris:#5b6675; --linea:#dfe4ea; --fondo:#f2f4f7; --blanco:#fff;
  --radio:12px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--fondo); color:#1b2430; font-size:16px; line-height:1.45;
  -webkit-text-size-adjust:100%;
}
a{color:var(--azul2)}

/* ---------- ENCABEZADO ---------- */
.top{background:var(--azul); color:#fff; position:sticky; top:0; z-index:20;
     padding-top:env(safe-area-inset-top,0px); box-shadow:0 2px 10px rgba(0,0,0,.18)}
.top-in{display:flex; align-items:center; justify-content:space-between;
        gap:12px; padding:10px 14px; max-width:1100px; margin:0 auto}
.marca{display:flex; align-items:center; gap:10px; color:#fff; text-decoration:none}
.logo{width:38px;height:38px;border-radius:9px;background:var(--rojo);display:grid;
      place-items:center;font-weight:800;letter-spacing:.5px;font-size:14px;flex:none}
.marca-txt strong{display:block;font-size:16px;line-height:1.1}
.marca-txt small{display:block;font-size:11.5px;opacity:.72}
.chips{display:flex;gap:8px;flex:none}
.stock-chip{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.22);border-radius:10px;padding:6px 11px;flex:none}
@media(max-width:520px){.stock-chip{padding:5px 8px;gap:5px}.stock-chip b{font-size:17px}
  .marca-txt small{display:none}}
.stock-chip b{font-size:22px;line-height:1}
.stock-chip span{font-size:10px;line-height:1.15;opacity:.85}
.stock-chip.medio{background:rgba(245,158,11,.28);border-color:rgba(245,158,11,.6)}
.stock-chip.bajo{background:rgba(193,18,31,.55);border-color:rgba(255,120,120,.7)}

.menu{display:flex;gap:2px;overflow-x:auto;background:var(--azul2);
      padding:0 8px;max-width:1100px;margin:0 auto;scrollbar-width:none}
.menu::-webkit-scrollbar{display:none}
.menu a{color:#cdd8e8;text-decoration:none;padding:11px 13px;font-size:14px;
        white-space:nowrap;border-bottom:3px solid transparent}
.menu a.on{color:#fff;border-bottom-color:var(--rojo);font-weight:600}
.menu a.salir{margin-left:auto;opacity:.75}

main{max-width:1100px;margin:0 auto;padding:16px 14px 40px}
.pie{text-align:center;color:var(--gris);font-size:12px;
     padding:0 14px calc(18px + env(safe-area-inset-bottom,0px))}

/* ---------- AVISOS ---------- */
.avisos{margin-bottom:14px}
.aviso{padding:12px 14px;border-radius:var(--radio);margin-bottom:8px;font-size:15px;
       border-left:5px solid}
.aviso.ok{background:#e8f6ee;border-color:var(--verde);color:#14512f}
.aviso.error{background:#fdeaec;border-color:var(--rojo);color:#7d0d17}

/* ---------- TARJETAS ---------- */
.card{background:var(--blanco);border:1px solid var(--linea);border-radius:var(--radio);
      padding:16px;margin-bottom:14px}
.card h2{margin:0 0 12px;font-size:16px;text-transform:uppercase;letter-spacing:.6px;
         color:var(--gris)}
.card h2 .der{float:right;text-transform:none;letter-spacing:0}

/* ---------- FORMULARIOS ---------- */
label{display:block;font-size:13px;font-weight:600;color:var(--gris);margin:0 0 5px}
input[type=text],input[type=password],input[type=number],input[type=date],
input[type=email],select,textarea{
  width:100%;padding:12px;font-size:16px;border:1px solid #c7ced8;border-radius:10px;
  background:#fff;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:3px solid #b9d0f0;border-color:var(--azul2)}
.campo{margin-bottom:14px}
.fila{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fila3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
@media(max-width:620px){.fila,.fila3{grid-template-columns:1fr}}

.btn{display:inline-block;padding:13px 20px;border-radius:10px;border:0;font-size:16px;
     font-weight:600;cursor:pointer;text-decoration:none;text-align:center;font-family:inherit}
.btn-primario{background:var(--verde);color:#fff;width:100%;font-size:19px;padding:17px}
.btn-primario:active{background:#166139}
.btn-sec{background:#eef1f5;color:var(--azul);border:1px solid #cfd6e0}
.btn-rojo{background:var(--rojo);color:#fff}
.btn-mini{padding:7px 12px;font-size:13px;border-radius:8px}

/* opciones tipo boton (medio de pago / documento) */
.opciones{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;position:relative}
.opciones.dos{grid-template-columns:1fr 1fr}
@media(max-width:620px){.opciones{grid-template-columns:1fr 1fr}}
.opciones input{position:absolute;top:0;left:0;width:1px;height:1px;opacity:0;pointer-events:none}
.opciones label{display:block;margin:0;text-align:center;padding:15px 6px;border:2px solid #cfd6e0;
  border-radius:10px;background:#fff;font-size:15px;font-weight:600;color:#33415a;cursor:pointer}
.opciones input:checked + label{background:var(--azul);border-color:var(--azul);color:#fff}
.opciones input:focus + label{outline:3px solid #b9d0f0}

/* selector de cantidad */
.contador{display:flex;align-items:stretch;gap:10px}
.contador button{width:64px;font-size:30px;font-weight:700;background:#eef1f5;
  border:1px solid #cfd6e0;border-radius:10px;cursor:pointer;color:var(--azul)}
.contador input{text-align:center;font-size:32px;font-weight:700;padding:8px}
.atajos{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.atajos button{flex:1;min-width:60px;padding:9px;background:#fff;border:1px solid #cfd6e0;
  border-radius:8px;font-size:14px;cursor:pointer;font-weight:600;color:var(--azul2)}

.total-caja{background:#0f2544;color:#fff;border-radius:var(--radio);padding:14px 16px;
  display:flex;justify-content:space-between;align-items:center;margin:4px 0 16px}
.total-caja small{display:block;font-size:12px;opacity:.75}
.total-caja b{font-size:30px;line-height:1.1}

/* ---------- TABLAS ---------- */
.tabla-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:14px;min-width:560px}
th,td{padding:9px 10px;text-align:left;border-bottom:1px solid var(--linea);white-space:nowrap}
th{background:#f7f9fc;font-size:12px;text-transform:uppercase;letter-spacing:.4px;
   color:var(--gris);position:sticky;top:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
tr.anulada td{color:#9aa4b2;text-decoration:line-through}
tfoot td{font-weight:700;background:#f7f9fc;border-top:2px solid var(--azul)}

.pill{display:inline-block;padding:2px 9px;border-radius:99px;font-size:11.5px;
      font-weight:700;text-transform:uppercase;letter-spacing:.3px}
.pill.efectivo{background:#e8f6ee;color:#14512f}
.pill.debito{background:#e7eefb;color:#1b3a67}
.pill.credito{background:#f4e9fb;color:#5b2a80}
.pill.transferencia{background:#fff2da;color:#7a4a00}
.pill.factura{background:#fdeaec;color:#7d0d17}
.pill.boleta{background:#eef1f5;color:#33415a}

/* ---------- KPIs ---------- */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}
@media(max-width:760px){.kpis{grid-template-columns:1fr 1fr}}
.kpi{background:#fff;border:1px solid var(--linea);border-radius:var(--radio);padding:13px}
.kpi small{display:block;font-size:11.5px;text-transform:uppercase;letter-spacing:.5px;
           color:var(--gris);margin-bottom:3px}
.kpi b{font-size:24px;line-height:1.15;display:block}
.kpi.verde b{color:var(--verde)} .kpi.rojo b{color:var(--rojo)}

.barra{height:8px;background:#e9edf3;border-radius:99px;overflow:hidden;margin-top:6px}
.barra i{display:block;height:100%;background:var(--azul2)}

.tab-inv{flex:1;text-align:center;padding:13px 8px;text-decoration:none;font-weight:600;
  font-size:14px;color:var(--azul2);border-bottom:3px solid transparent}
.tab-inv.on{border-bottom-color:var(--rojo)}

.oculto{display:none}
.nota{font-size:13px;color:var(--gris);margin:6px 0 0}
details.editor{border:1px solid var(--linea);border-radius:var(--radio);background:#fff;
  padding:12px 14px;margin-bottom:14px}
details.editor summary{font-weight:600;cursor:pointer;color:var(--azul2)}
details.editor[open] summary{margin-bottom:12px}

/* ---------- LOGIN ---------- */
.login-wrap{max-width:380px;margin:8vh auto;padding:0 16px}
.login-logo{text-align:center;margin-bottom:20px}
.login-logo .logo{width:64px;height:64px;font-size:22px;border-radius:16px;margin:0 auto 10px}
.login-logo h1{font-size:20px;margin:0}
.login-logo p{color:var(--gris);font-size:14px;margin:4px 0 0}

/* ---------- COMPROBANTE ---------- */
.ticket{max-width:400px;margin:0 auto;background:#fff;padding:22px;border-radius:var(--radio);
        border:1px solid var(--linea)}
.ticket h1{font-size:18px;margin:0 0 2px;text-align:center}
.ticket .sub{text-align:center;color:var(--gris);font-size:13px;margin-bottom:16px}
.ticket dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px;margin:0}
.ticket dt{color:var(--gris)} .ticket dd{margin:0;text-align:right;font-weight:600}
@media print{.top,.menu,.pie,.noprint{display:none!important}
  body{background:#fff}.ticket{border:0}}