:root{
  --navy:#0b2149; --navy-2:#13306a; --oro:#f2a01d; --oro-suave:#fff3dc;
  --fondo:#f4f6fa; --tarjeta:#ffffff; --texto:#1b2433; --suave:#5d6b82; --linea:#dfe4ee;
  --ok:#1f8a4c; --ok-suave:#e3f5ea; --error:#c0392b; --error-suave:#fdecea;
  --radio:14px;
  --sombra:0 2px 10px rgba(11,33,73,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--fondo); color:var(--texto); font-size:16px; line-height:1.45;
  -webkit-text-size-adjust:100%;
}
.oculto{display:none !important}

/* Cabecera */
.cabecera{background:var(--navy);color:#fff;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:20}
.marca{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.3px}
.marca .logo{width:34px;height:34px;flex:none}
.marca b{font-weight:800}.marca span{font-weight:400}
.cabecera .salir{background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:10px;padding:7px 12px;font-size:14px;cursor:pointer}

.contenedor{max-width:880px;margin:0 auto;padding:18px 16px 60px}
.contenedor.estrecho{max-width:460px}

h1{font-size:24px;margin:8px 0 6px;color:var(--navy)}
h2{font-size:19px;margin:22px 0 10px;color:var(--navy)}
p.suave,.suave{color:var(--suave)}
.peq{font-size:13px}

.tarjeta{background:var(--tarjeta);border-radius:var(--radio);box-shadow:var(--sombra);padding:18px;margin:12px 0}

label{display:block;font-weight:600;font-size:14px;margin:12px 0 6px}
input[type=text],input[type=email],input[type=password],input[type=tel],select{
  width:100%;padding:13px 14px;border:1.5px solid var(--linea);border-radius:12px;font-size:16px;background:#fff;color:var(--texto)
}
input:focus,select:focus{outline:none;border-color:var(--navy-2)}
input.codigo{font-size:24px;letter-spacing:4px;text-align:center;text-transform:uppercase;font-weight:700}

.boton{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:12px;padding:13px 18px;font-size:16px;font-weight:700;cursor:pointer;background:var(--navy);color:#fff;text-decoration:none}
.boton:disabled{opacity:.45;cursor:not-allowed}
.boton.ancho{width:100%}
.boton.oro{background:var(--oro);color:var(--navy)}
.boton.claro{background:#fff;color:var(--navy);border:1.5px solid var(--linea)}
.boton.verde{background:#25d366;color:#08331a}
.boton.peligro{background:#fff;color:var(--error);border:1.5px solid #f0c9c4}
.boton.mini{padding:8px 12px;font-size:14px;border-radius:10px}
.fila-botones{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}

.aviso{padding:12px 14px;border-radius:12px;margin:12px 0;font-size:15px}
.aviso.error{background:var(--error-suave);color:var(--error)}
.aviso.ok{background:var(--ok-suave);color:var(--ok)}
.aviso.info{background:var(--oro-suave);color:#7a4d00}

.etiqueta{display:inline-block;font-size:12px;font-weight:700;padding:4px 9px;border-radius:999px;white-space:nowrap}
.etiqueta.pend{background:var(--oro-suave);color:#8a5600}
.etiqueta.visto{background:#e7eefc;color:var(--navy-2)}
.etiqueta.ok{background:var(--ok-suave);color:var(--ok)}

/* Lista de documentos (cliente) */
.doc-item{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#fff;border-radius:var(--radio);box-shadow:var(--sombra);padding:16px;margin:10px 0;cursor:pointer;border:2px solid transparent}
.doc-item:active{border-color:var(--oro)}
.doc-item .titulo{font-weight:700;color:var(--navy)}
.doc-item .fecha{font-size:13px;color:var(--suave)}
.vacio{text-align:center;color:var(--suave);padding:30px 10px}

/* Visor PDF */
.visor{display:flex;flex-direction:column;gap:14px;align-items:center}
.pagina{position:relative;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.15);width:100%;max-width:820px;line-height:0}
.pagina canvas{width:100%;height:auto;display:block}
.pagina .num{position:absolute;top:6px;right:8px;font-size:11px;color:#999;line-height:1}
.hueco{position:absolute;border:2px dashed var(--oro);background:rgba(242,160,29,.15);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#8a5600;line-height:1.1;text-align:center;padding:2px}
.hueco.otro{border-color:#b9c3d6;background:rgba(185,195,214,.12);color:#8592a8}

/* Zona de firma */
.zona-firma{background:#fff;border-top:3px solid var(--oro);box-shadow:0 -6px 20px rgba(0,0,0,.06);padding:18px 16px 26px;margin:24px -16px 0;border-radius:18px 18px 0 0}
.check{display:flex;gap:10px;align-items:flex-start;font-weight:500;font-size:15px;margin:6px 0}
.check input{width:24px;height:24px;flex:none;margin-top:1px;accent-color:var(--navy)}
.lienzo-firma{position:relative;border:2px solid var(--linea);border-radius:12px;background:#fbfcff;height:180px;touch-action:none}
.lienzo-firma canvas{width:100%;height:100%;display:block;touch-action:none}
.lienzo-firma .guia{position:absolute;left:16px;right:16px;bottom:40px;border-bottom:1.5px solid #cfd6e3;pointer-events:none}
.lienzo-firma .texto-guia{position:absolute;left:16px;bottom:14px;font-size:12px;color:#9aa5b8;pointer-events:none}
.lienzo-firma .borrar{position:absolute;top:8px;right:8px}

/* Panel */
.pestanas{display:flex;gap:6px;background:#e6eaf2;border-radius:12px;padding:4px;margin:6px 0 14px}
.pestanas button{flex:1;border:none;background:transparent;padding:11px;border-radius:9px;font-size:15px;font-weight:700;color:var(--suave);cursor:pointer}
.pestanas button.activa{background:#fff;color:var(--navy);box-shadow:var(--sombra)}
.tabla-firmantes{width:100%;border-collapse:collapse;margin-top:8px;font-size:14px}
.tabla-firmantes td{padding:7px 4px;border-top:1px solid var(--linea);vertical-align:middle}
.cab-doc{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.cab-doc .titulo{font-weight:800;color:var(--navy);font-size:17px}
.codigo-mostrar{font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:700;letter-spacing:2px;background:#eef2f9;padding:3px 8px;border-radius:8px}
.grupo-op{font-size:13px;font-weight:800;color:var(--suave);text-transform:uppercase;letter-spacing:.6px;margin:20px 0 4px}
.cliente-fila{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 0;border-top:1px solid var(--linea)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.chip{border:2px solid var(--linea);background:#fff;border-radius:999px;padding:8px 14px;font-weight:700;font-size:14px;cursor:pointer;color:var(--texto)}
.chip.activo{color:#fff}
.lista-check{max-height:260px;overflow:auto;border:1.5px solid var(--linea);border-radius:12px;padding:6px 12px;background:#fff}
.lista-check label{font-weight:500;display:flex;gap:10px;align-items:center;margin:8px 0}
.lista-check input{width:20px;height:20px}
.editor .hueco{cursor:grab;touch-action:none;color:#fff;border-style:solid}
.editor .hueco .x{position:absolute;top:-11px;right:-11px;width:24px;height:24px;border-radius:50%;background:#fff;color:var(--error);border:2px solid var(--error);font-size:14px;line-height:19px;font-weight:800;cursor:pointer;padding:0}
.barra-editor{position:sticky;top:62px;z-index:12;background:var(--fondo);padding:8px 0}
.modal-fondo{position:fixed;inset:0;background:rgba(10,20,40,.55);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal{background:#fff;border-radius:18px;max-width:440px;width:100%;padding:22px;max-height:90vh;overflow:auto}
.cargando{display:flex;align-items:center;justify-content:center;gap:10px;padding:30px;color:var(--suave)}
.rueda{width:22px;height:22px;border:3px solid #d5dbe7;border-top-color:var(--navy);border-radius:50%;animation:gira .8s linear infinite}
@keyframes gira{to{transform:rotate(360deg)}}
.exito{text-align:center;padding:20px 6px}
.exito .icono{font-size:54px;line-height:1}

/* Formularios para rellenar */
textarea{width:100%;padding:13px 14px;border:1.5px solid var(--linea);border-radius:12px;font-size:16px;font-family:inherit;background:#fff;color:var(--texto);min-height:140px;resize:vertical}
textarea:focus{outline:none;border-color:var(--navy-2)}
.seccion{background:#fff;border-radius:var(--radio);box-shadow:var(--sombra);padding:6px 16px 18px;margin:14px 0}
.seccion h2{margin:14px 0 4px;font-size:18px}
.campo{margin-top:14px}
.campo label{margin:0 0 3px}
.campo .ayuda{font-size:13px;color:var(--suave);margin:0 0 6px}
.opciones{display:flex;flex-wrap:wrap;gap:8px}
.opciones label{display:flex;align-items:center;gap:8px;border:1.5px solid var(--linea);border-radius:12px;padding:11px 14px;font-weight:600;margin:0;cursor:pointer;background:#fff}
.opciones input{width:20px;height:20px;accent-color:var(--navy)}
.opciones label:has(input:checked){border-color:var(--navy);background:#eef2fb}
.fin-fila{border:1.5px dashed var(--linea);border-radius:12px;padding:4px 12px 12px;margin-top:12px}
.fin-fila .tit{font-size:13px;font-weight:800;color:var(--suave);margin-top:8px}
.fin-fila .tres{display:grid;grid-template-columns:1fr;gap:0}
@media (min-width:520px){.fin-fila .tres{grid-template-columns:2fr 1fr 1fr;gap:8px}}
.respuestas dt{font-size:13px;color:var(--suave);margin-top:10px}
.respuestas dd{margin:2px 0 0;font-weight:600;white-space:pre-wrap}
.respuestas h3{margin:18px 0 0;color:var(--navy);font-size:15px}
.tipo-doc{display:flex;gap:8px}
.tipo-doc label{flex:1;display:flex;gap:8px;align-items:center;border:2px solid var(--linea);border-radius:12px;padding:12px;margin:0;cursor:pointer}
.tipo-doc label:has(input:checked){border-color:var(--oro);background:var(--oro-suave)}
.tipo-doc input{width:20px;height:20px;accent-color:var(--navy)}