/* OfficeTech Facturación · negro y naranja, como SAT */
:root{
  --negro:#1a1a1a; --naranja:#f5920c; --gris:#6b7280; --linea:#e5e7eb;
  --fondo:#f3f4f6; --panel:#fff; --texto:#111827;
  --ok:#15803d; --mal:#b91c1c; --aviso:#b45309;
}
*{box-sizing:border-box}
body{margin:0;font:14px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--fondo);color:var(--texto)}
a{color:#1d4ed8;text-decoration:none}a:hover{text-decoration:underline}

/* ---- armazón ---- */
.app{display:flex;min-height:100vh}
.lateral{width:230px;flex:0 0 230px;background:var(--negro);color:#d1d5db;display:flex;flex-direction:column}
.lateral .marca{padding:18px 16px;border-bottom:1px solid #2b2b2b;font-size:19px;font-weight:700;color:#fff;letter-spacing:.5px}
.lateral .marca b{color:var(--naranja)}
.lateral .marca span{display:block;font-size:10.5px;font-weight:400;color:#9ca3af;letter-spacing:1px;margin-top:2px}
.lateral nav{padding:10px 0;flex:1}
.lateral a{display:flex;gap:10px;align-items:center;padding:11px 18px;color:#d1d5db;font-size:14px}
.lateral a:hover{background:#262626;color:#fff;text-decoration:none}
.lateral a.act{background:var(--naranja);color:#fff;font-weight:600}
.lateral .sep{padding:14px 18px 6px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:#6b7280}
.lateral .pie{padding:14px 18px;font-size:12px;color:#6b7280;border-top:1px solid #2b2b2b}
.principal{flex:1;min-width:0;display:flex;flex-direction:column}
.barra{background:#fff;border-bottom:1px solid var(--linea);padding:12px 20px;display:flex;align-items:center;gap:14px}
.barra h1{margin:0;font-size:18px;font-weight:700}
.barra .quien{margin-left:auto;font-size:13px;color:var(--gris)}
.contenido{padding:20px;flex:1}
.hamburguesa{display:none;background:none;border:1px solid var(--linea);border-radius:8px;padding:6px 10px;font-size:18px;cursor:pointer}

/* ---- piezas ---- */
.panel{background:var(--panel);border:1px solid var(--linea);border-radius:12px;margin-bottom:16px;overflow:hidden}
.panel .cab{padding:12px 16px;border-bottom:1px solid var(--linea);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.panel .cab h3{margin:0;font-size:15px}
.panel .cpo{padding:16px}
.mut{color:var(--gris);font-size:13px}
.acciones{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

.btn{display:inline-flex;align-items:center;gap:6px;background:var(--naranja);color:#fff;border:0;border-radius:10px;
  padding:10px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{filter:brightness(1.07);text-decoration:none;color:#fff}
.btn.sec{background:#fff;color:var(--texto);border:1px solid var(--linea)}
.btn.sec:hover{background:#f9fafb;color:var(--texto)}
.btn.osc{background:var(--negro)}
.btn.chico{padding:6px 11px;font-size:13px;border-radius:8px}
.btn:disabled{opacity:.5;cursor:not-allowed}

label{display:block;margin-bottom:12px;font-size:13px;font-weight:600}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid #d1d5db;border-radius:9px;font:inherit;
  margin-top:4px;background:#fff;color:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--naranja);outline-offset:-1px;border-color:var(--naranja)}
.rejilla{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0 16px}
.rejilla-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:0 16px}

table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;padding:10px 12px;border-bottom:2px solid var(--linea);font-size:11.5px;text-transform:uppercase;
  letter-spacing:.4px;color:var(--gris);white-space:nowrap}
td{padding:10px 12px;border-bottom:1px solid var(--linea);vertical-align:top}
tr:last-child td{border-bottom:0}
.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
td[data-l="Fecha"]{white-space:nowrap}

.alerta{padding:11px 14px;border-radius:10px;margin-bottom:14px;font-size:13.5px;border:1px solid}
.alerta.ok{background:#f0fdf4;border-color:#86efac;color:var(--ok)}
.alerta.err{background:#fef2f2;border-color:#fca5a5;color:var(--mal)}
.alerta.avi{background:#fffbeb;border-color:#fcd34d;color:var(--aviso)}

.eti{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:700;white-space:nowrap}
.e-borrador{background:#f3f4f6;color:#4b5563}
.e-emitido{background:#dcfce7;color:var(--ok)}
.e-anulado{background:#fee2e2;color:var(--mal)}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--linea);border-left:3px solid var(--naranja);border-radius:12px;padding:14px 16px}
.kpi .n{font-size:24px;font-weight:700;line-height:1.1}
.kpi .t{font-size:12px;color:var(--gris);margin-top:3px}

.vacio{padding:30px;text-align:center;color:var(--gris)}
.tabla-scroll{overflow-x:auto}

/* ---- acceso ---- */
.centrada{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:16px}
.tarjeta{background:#fff;border:1px solid var(--linea);border-radius:16px;padding:28px;max-width:420px;width:100%}
.tarjeta h1{margin:6px 0 4px;font-size:21px}
.logo{font-size:23px;font-weight:700;color:var(--negro);letter-spacing:.5px}
.logo b{color:var(--naranja)}

/* ---- rejillas y campos ---- */
.rejilla-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0 16px}
.rejilla-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:0 16px}
.panel>form,form.panel{padding:0}
form.panel .cab{margin:0}
form.panel>label,form.panel>.rejilla,form.panel>.rejilla-3,form.panel>.rejilla-4,
form.panel>.acciones,form.panel>p,form.panel>fieldset,form.panel>.previo,form.panel>div[id]{margin-left:16px;margin-right:16px}
form.panel>.cab{margin-left:0;margin-right:0}
form.panel>.acciones{padding-bottom:16px}
label small{display:block;font-weight:400;margin-top:3px}
input:disabled{background:#f3f4f6;color:var(--gris)}

/* NIT y su dígito, pegados: se lee «901636055-3» de un vistazo */
.par{display:flex;gap:6px;align-items:stretch}
.par input{flex:1}
.dv{display:flex;align-items:center;justify-content:center;min-width:42px;margin-top:4px;border-radius:9px;
  background:var(--negro);color:var(--naranja);font-weight:700;font-size:16px}
.dv.off{background:#f3f4f6;color:var(--gris)}

/* opciones excluyentes con explicación: el caso del IVA incluido */
fieldset.opciones{border:1px solid var(--linea);border-radius:10px;padding:10px 14px 4px;margin:0 0 12px}
fieldset.opciones legend{font-size:12px;font-weight:700;color:var(--gris);text-transform:uppercase;letter-spacing:.4px;padding:0 6px}
.radio{display:flex;gap:9px;align-items:flex-start;font-weight:400;margin-bottom:10px;cursor:pointer}
.radio input{width:auto;margin-top:3px;flex:0 0 auto}
.previo{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:10px 13px;font-size:13.5px;margin-bottom:12px}
.lista-tarifas{border:1px solid var(--linea);border-radius:10px;padding:12px 14px 2px;margin-bottom:12px}

/* ---- documento ---- */
.doc-cab{display:flex;gap:16px;flex-wrap:wrap;align-items:center;background:#fff;border:1px solid var(--linea);
  border-left:3px solid var(--naranja);border-radius:12px;padding:14px 18px;margin-bottom:16px}
.doc-cab .folio{font-size:20px;font-weight:700;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.doc-total{margin-left:auto;text-align:right;line-height:1.2}
.doc-total b{display:block;font-size:26px;font-variant-numeric:tabular-nums}
.doble{display:grid;grid-template-columns:minmax(0,1.9fr) minmax(280px,1fr);gap:16px;align-items:start}

table.lineas tfoot td{border-bottom:0;padding:5px 12px;color:var(--gris)}
table.lineas tfoot .gran-total td{border-top:2px solid var(--linea);padding-top:10px;font-size:16px;font-weight:700;color:var(--texto)}
tr.apagada{opacity:.55}
b.mal{color:var(--mal)} b.avi{color:var(--aviso)}

dl.datos{margin:0;padding:14px 16px;display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:13.5px}
dl.datos dt{color:var(--gris);font-size:12px}
dl.datos dd{margin:0}
ul.historial{margin:0;padding:12px 16px 14px 30px;font-size:13px}
ul.historial li{margin-bottom:8px}

.progreso{height:5px;background:var(--linea);border-radius:4px;margin-top:5px;overflow:hidden;max-width:160px}
.progreso span{display:block;height:100%;background:var(--naranja)}

pre.json{background:var(--negro);color:#e5e7eb;padding:16px;margin:0 16px 14px;border-radius:10px;overflow:auto;
  max-height:440px;font:12.5px/1.6 ui-monospace,Consolas,"Courier New",monospace;white-space:pre-wrap;word-break:break-word}
.btn.peligro{background:var(--mal)}
details summary{cursor:pointer;font-size:13px}
.panel>details{padding:0 16px 14px}

@media(max-width:900px){ .doble{grid-template-columns:1fr} }
@media(max-width:820px){
  /* el pie de la tabla de líneas también se apila, si no queda desalineado */
  table.cards tfoot,table.cards tfoot tr,table.cards tfoot td{display:block;width:100%}
  table.cards tfoot tr{border:0;background:none;padding:0;margin:0;display:flex;justify-content:space-between}
  table.cards tfoot td{padding:3px 12px;text-align:left}
  table.cards tfoot td:empty{display:none}
  .doc-total{margin-left:0;text-align:left}
  pre.json{margin:0 0 14px;padding:12px}
}

/* ---- celular ---- */
@media(max-width:820px){
  .hamburguesa{display:inline-block}
  .lateral{position:fixed;top:0;left:0;bottom:0;z-index:70;transform:translateX(-100%);transition:transform .2s;
    overflow-y:auto;box-shadow:4px 0 20px rgba(0,0,0,.3)}
  body.menu-abierto .lateral{transform:none}
  .contenido{padding:14px}
  .barra{padding:10px 14px}
  .barra h1{font-size:16px}
  .barra .quien{display:none}
  /* las tablas se vuelven tarjetas, como en SAT */
  table.cards,table.cards tbody,table.cards tr,table.cards td{display:block;width:100%}
  table.cards thead{display:none}
  table.cards tr{border:1px solid var(--linea);border-left:3px solid var(--naranja);border-radius:12px;
    padding:10px 12px;margin-bottom:10px;background:#fff}
  table.cards td{border:0;padding:2px 0;font-size:13.5px}
  table.cards td[data-l]:before{content:attr(data-l);display:block;font-size:9.5px;text-transform:uppercase;
    letter-spacing:.4px;color:var(--gris);margin-top:5px}
  table.cards td.num{text-align:left}
}