:root{--fondo:#f4f6f9;--tinta:#1f2937;--suave:#6b7280;--borde:#e5e7eb;--lateral:#1e2633;--azul:#2563eb;--verde:#16a34a;--ambar:#d97706;--rojo:#dc2626;--wa:#efeae2;--wa-sale:#d9fdd3;--enviar:#1fa855}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;font:14px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--tinta);background:var(--fondo)}
button,input,textarea{font:inherit;color:inherit}
svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.visualmente-oculto{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.entrar{max-width:340px;margin:12vh auto;padding:28px;background:#fff;border:1px solid var(--borde);border-radius:14px;display:grid;gap:12px}
.entrar h1{margin:0 0 4px;font-size:22px}
.entrar label{display:grid;gap:4px;color:var(--suave)}
.entrar input{padding:10px 12px;border:1px solid var(--borde);border-radius:8px}
.entrar button{padding:10px;border:0;border-radius:8px;background:var(--lateral);color:#fff;cursor:pointer}
.error{color:var(--rojo);min-height:1.2em;margin:0}

.app{display:grid;grid-template-columns:210px minmax(0,1fr) 400px;height:100vh}
.lateral{background:var(--lateral);color:#cbd5e1;display:flex;flex-direction:column;padding:20px 12px;gap:6px}
.lateral .logo{width:44px;height:44px;color:#fff;margin:0 8px 24px}
.lateral a{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:8px;color:#fff;text-decoration:none;background:#334155}
.lateral a svg{width:20px;height:20px}
.yo{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px;color:#fff}
.yo button{background:none;border:1px solid #475569;color:#cbd5e1;border-radius:6px;padding:4px 8px;cursor:pointer}

.principal{overflow:auto;padding:20px 20px 32px;min-width:0}
.cabecera{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cabecera>div{flex:1 1 220px}
.cabecera h1{margin:0;font-size:24px}
.cabecera p{margin:2px 0 0;color:var(--suave)}
.cabecera input{padding:9px 12px;border:1px solid var(--borde);border-radius:10px;background:#fff;min-width:0}
#buscar{flex:1 1 220px}
.seco{background:#fef3c7;color:#92400e;padding:8px 12px;border-radius:8px;margin:14px 0 0}

.tarjetas{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:16px 0}
.tarjeta{display:flex;gap:12px;align-items:center;background:#fff;border:1px solid var(--borde);border-radius:12px;padding:14px}
.tarjeta small{color:var(--suave)}
.tarjeta b{display:block;font-size:26px;line-height:1.1}
.ico{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;flex:none}
.ico svg{width:24px;height:24px}
.ico.azul{background:#eff6ff;color:var(--azul)}.ico.verde{background:#f0fdf4;color:var(--verde)}.ico.ambar{background:#fffbeb;color:var(--ambar)}

.filtros{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:6px}
.filtros button{border:1px solid var(--borde);background:#fff;border-radius:999px;padding:7px 14px;cursor:pointer}
.filtros button.activo{background:var(--lateral);color:#fff;border-color:var(--lateral)}
.paginas{display:flex;gap:10px;align-items:center;justify-content:space-between;margin:8px 0;color:var(--suave)}
.paginas button{white-space:nowrap;border:1px solid var(--borde);background:#fff;border-radius:8px;padding:5px 10px;cursor:pointer}
.paginas button:disabled{opacity:.4;cursor:default}

.tabla-caja{background:#fff;border:1px solid var(--borde);border-radius:12px;overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-weight:500;color:var(--suave);background:#f9fafb;padding:10px 12px;border-bottom:1px solid var(--borde);white-space:nowrap}
td{padding:9px 12px;border-bottom:1px solid #f1f5f9;vertical-align:top}
td small{display:block;color:var(--suave);font-size:12px}
tr[data-n]{cursor:pointer}
tr[data-n]:hover,tr.elegida{background:#eff6ff}
tr[data-n]:focus-visible{outline:2px solid var(--azul);outline-offset:-2px}
.mono{font-variant-numeric:tabular-nums;white-space:nowrap}
.pastilla{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:500;white-space:nowrap}
.pastilla.azul{background:#dbeafe;color:#1d4ed8}.pastilla.verde{background:#dcfce7;color:#15803d}.pastilla.ambar{background:#fef3c7;color:#b45309}.pastilla.rojo{background:#fee2e2;color:#b91c1c}
.aviso{margin-top:3px}
.aviso.mal{color:var(--rojo)}
.burbuja{font-size:12px;background:#dcfce7;color:#15803d;border-radius:999px;padding:0 6px;margin-left:4px;white-space:nowrap;position:relative}
.menu summary{list-style:none;cursor:pointer;padding:0 8px;font-size:18px;line-height:1}
.menu summary::-webkit-details-marker{display:none}
.menu div{display:grid;gap:4px;margin-top:6px;min-width:150px}
.menu a,.menu button{padding:6px 10px;border:1px solid var(--borde);border-radius:6px;background:#fff;text-align:left;color:inherit;text-decoration:none;cursor:pointer;font-size:13px}

.chat{display:flex;flex-direction:column;min-height:0;border-left:1px solid var(--borde);background:#fff}
.chat-vacio{align-items:center;justify-content:center;color:var(--suave);padding:24px;text-align:center}
.chat-cab{display:flex;gap:10px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--borde);flex:none}
.volver{display:none;border:0;background:none;font-size:20px;cursor:pointer;padding:0 6px}
.iniciales{width:40px;height:40px;border-radius:50%;background:#e0e7ff;color:#3730a3;display:grid;place-items:center;font-weight:600;flex:none}
.guia-tarjeta{flex:none;margin:12px;padding:12px;border:1px solid var(--borde);border-radius:12px;display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;font-size:13px}
.guia-tarjeta small{display:block;color:var(--suave)}
.guia-tarjeta .tit{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;font-weight:600}
.guia-tarjeta .ancho{grid-column:1/-1}
.guia-tarjeta a{color:var(--azul);text-decoration:none}
.hilo{flex:1;min-height:0;overflow-y:auto;background:var(--wa);padding:12px;display:flex;flex-direction:column;gap:6px;position:relative}
.dia{align-self:center;background:#fff;border-radius:8px;padding:2px 10px;font-size:12px;color:var(--suave);margin:6px 0}
.msj{max-width:85%;padding:6px 10px 4px;border-radius:10px;background:#fff;box-shadow:0 1px 1px #0001;position:relative}
.msj.sale{align-self:flex-end;background:var(--wa-sale)}
.msj.entra{align-self:flex-start}
.msj p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}
.msj img,.msj video{max-width:100%;border-radius:6px;display:block;margin-bottom:4px}
.msj audio{max-width:240px}
.msj .meta{display:block;text-align:right;font-size:11px;color:var(--suave);white-space:nowrap}
.msj .fallo{display:block;color:var(--rojo);font-size:12px}
.checks.leido{color:#53bdeb}.checks.fallo{color:var(--rojo);font-weight:700}
.vacio{margin:auto;color:var(--suave);text-align:center}
.compositor{flex:none;display:flex;align-items:flex-end;gap:6px;margin:10px 12px 4px;padding:6px;border:1px solid var(--borde);border-radius:28px;background:#fff}
.compositor textarea{flex:1;border:0;resize:none;outline:none;padding:9px 4px;max-height:140px;min-width:0;background:none}
.redondo,.enviar{flex:none;width:40px;height:40px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center}
.redondo{background:#f3f4f6}
.enviar{background:var(--enviar);color:#fff}
.enviar svg{width:20px;height:20px}
.compositor :disabled{opacity:.45;cursor:not-allowed}
.chat-aviso{flex:none;margin:0 16px 10px;font-size:12px;color:var(--suave);min-height:1em}

@media (max-width:1099px){
  .app{grid-template-columns:1fr;height:auto;min-height:100vh}
  .lateral{flex-direction:row;align-items:center;padding:8px 12px}
  .lateral .logo{width:28px;height:28px;margin:0 4px}
  .lateral a{padding:6px 10px}
  .yo{margin:0 0 0 auto}
  .principal{overflow:visible;padding:14px 12px 24px}
  .chat-vacio{display:none}
  .chat{position:fixed;inset:0;z-index:10;border:0}
  .volver{display:block}
  body.con-chat{overflow:hidden}
}
@media (max-width:700px){
  thead{display:none}
  table,tbody,tr,td{display:block}
  tr[data-n]{padding:10px 12px;border-bottom:1px solid var(--borde);position:relative}
  td{border:0;padding:2px 0}
  td:last-child{position:absolute;top:8px;right:4px}
  .lateral a{font-size:13px;white-space:nowrap}
  #yoNombre{display:none}
}