:root {
    --rojo: #e23b3b; --rojo-bg: #fde8e8;
    --verde: #1f9d55; --verde-bg: #e4f5ec;
    --gris: #6b7280; --linea: #e5e7eb;
    --azul: #2563eb; --bg: #f4f5f7; --card: #fff;
  }
  * { box-sizing: border-box; }
  body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif; background: var(--bg); color: #1f2430; }

  .topbar { position: sticky; top: 0; z-index: 10; background: #fff; border-top: 3px solid var(--azul); border-bottom: 1px solid var(--linea); padding: 7px 14px; box-shadow: 0 2px 10px rgba(20, 40, 90, .05); }
  .titulo { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
  .titulo h1 { font-size: 15px; margin: 0; font-weight: 800; color: #14367e; letter-spacing: -.2px; display: flex; align-items: center; gap: 6px; }
  .titulo h1 .logo { background: linear-gradient(135deg, #2563eb, #1746a2); color: #fff; width: 26px; height: 26px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; font-size: 15px; box-shadow: 0 2px 6px rgba(37, 99, 235, .35); }
  .vista-tabs { display: flex; gap: 6px; }
  .vista-tabs .tab { background: #eef1f6; color: #555; border-radius: 20px; padding: 5px 12px; font-size: 12.5px; font-weight: 600; transition: background .12s; }
  .vista-tabs .tab.activo { background: var(--azul); color: #fff; }
  .periodo-nav { display: flex; align-items: center; gap: 6px; font-weight: 600; }

  /* Vista A pagar */
  .ap-item { background: var(--card); border: 1px solid var(--linea); border-radius: 12px; overflow: hidden; }
  .ap-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; border-bottom: 1px solid var(--linea); }
  .ap-head .nom { font-weight: 700; font-size: 14px; }
  .ap-pend { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-bottom: 1px solid #f1f2f4; }
  .ap-pend:last-child { border-bottom: none; }
  .ap-pend .punto { width: 9px; height: 9px; border-radius: 50%; background: var(--rojo); flex: 0 0 auto; }
  .ap-pend .tipo { font-weight: 600; font-size: 13px; }
  .ap-pend .mes { font-size: 11px; color: var(--gris); background: #f1f2f4; padding: 1px 7px; border-radius: 10px; }
  .ap-pend .monto { margin-left: auto; font-weight: 700; font-size: 13px; color: var(--rojo); }
  .aldia { text-align: center; padding: 40px; color: var(--verde); font-size: 16px; }
  .pagado-mes { background: var(--card); border: 1px solid var(--linea); border-radius: 12px; overflow: hidden; }
  .pm-fila { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-bottom: 1px solid #f1f2f4; background: var(--verde-bg); }
  .pm-fila:last-child { border-bottom: none; }
  .pm-nom { font-size: 13px; color: var(--verde); font-weight: 600; flex: 1; }
  .pm-monto { font-size: 13px; font-weight: 700; color: var(--verde); }
  .pm-fecha { font-size: 11px; color: var(--gris); min-width: 64px; text-align: right; }

  /* Grilla historial */
  .grid-hist { overflow: auto; }
  .grid-hist table { border-collapse: collapse; font-size: 12px; width: 100%; }
  .grid-hist th, .grid-hist td { border: 1px solid #edeff2; padding: 5px 7px; text-align: center; white-space: nowrap; }
  .grid-hist th { background: #f7f8fa; position: sticky; top: 0; }
  .grid-hist td.lbl { text-align: left; font-weight: 600; background: #fafbfc; position: sticky; left: 0; }
  .grid-hist td.pag { background: var(--verde-bg); color: var(--verde); }
  .grid-hist td.pend { background: var(--rojo-bg); color: var(--rojo); cursor: pointer; }
  .grid-hist td.vacio { color: #c7ccd3; }
  .periodo-nav span { min-width: 90px; text-align: center; }

  .resumen { display: flex; gap: 8px; margin-top: 6px; }
  .chip { flex: 1; border-radius: 9px; padding: 5px 10px; display: flex; flex-direction: column; }
  .chip span { font-size: 16px; font-weight: 700; }
  .chip small { font-size: 10px; opacity: .8; }
  .chip.rojo { background: var(--rojo-bg); color: var(--rojo); }
  .chip.verde { background: var(--verde-bg); color: var(--verde); }

  .acciones { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }
  .acciones button { padding: 5px 10px; font-size: 12px; }
  .buscar { width: 100%; margin-top: 6px; padding: 6px 11px; border: 1px solid var(--linea); border-radius: 9px; font-size: 13px; }
  .filtro-pag { width: 100%; margin-top: 5px; padding: 6px 11px; border: 1px solid var(--linea); border-radius: 9px; font-size: 12.5px; background: #fff; font-weight: 600; }
  .venc-chips { display: flex; gap: 8px; }
  .venc-chips .vchip { flex: 1; background: #f1f4f9; color: #334; border: 1.5px solid transparent; border-radius: 10px; padding: 8px 6px; font-size: 12.5px; line-height: 1.25; text-align: center; }
  .venc-chips .vchip small { display: block; font-weight: 500; color: #8a93a3; font-size: 10px; }
  .venc-chips .vchip.sel { background: var(--rojo-bg); border-color: var(--rojo); color: var(--rojo); }

  button { cursor: pointer; border: none; border-radius: 8px; padding: 8px 12px; font-size: 13px; font-weight: 600; }
  button.primario { background: var(--azul); color: #fff; }
  button.sec { background: #eef1f6; color: #333; }
  button.ghost { background: transparent; color: var(--gris); font-size: 20px; padding: 2px 8px; }
  button.mini { padding: 3px 6px; font-size: 10.5px; border-radius: 6px; }
  button.pagar { background: var(--verde); color: #fff; }
  button.deshacer { background: #fff; color: var(--gris); border: 1px solid var(--linea); }

  main { padding: 14px 16px 60px; max-width: 1100px; margin: 0 auto; }
  .cargando { text-align: center; color: var(--gris); padding: 40px; }

  .categoria { margin-bottom: 22px; }
  .categoria > h2 { font-size: 14px; text-transform: uppercase; letter-spacing: .5px; color: var(--gris); margin: 0 0 10px; }
  .grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(460px, 1fr)); gap: 10px; }
  @media (max-width: 520px) { .grid { grid-template-columns: 1fr; } }

  .item-card { background: var(--card); border: 1px solid var(--linea); border-radius: 12px; overflow: hidden; }
  .item-head { display: flex; align-items: center; justify-content: space-between; padding: 6px 10px; border-bottom: 1px solid var(--linea); }
  .item-head .nom { font-weight: 700; font-size: 12.5px; }
  .item-head .badge { font-size: 11px; background: #eef1f6; color: var(--gris); padding: 2px 7px; border-radius: 20px; }
  .item-head .badge.erp { background: #fff3d6; color: #92670b; }
  .item-head .badge.oca { background: #eceff3; color: #6b7280; margin-left: 4px; }
  .item-card.card-oca .item-head { background: #fafbfc; }
  .serv.oca .punto { background: #cbd0d8; }
  .serv.oca .tipo { color: #6b7280; }

  .serv { display: flex; align-items: center; gap: 6px; padding: 4px 9px; border-bottom: 1px solid #f1f2f4; }
  .serv:last-child { border-bottom: none; }
  .serv .punto { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; }
  .serv.pend .punto { background: var(--rojo); }
  .serv.pag .punto { background: var(--verde); }
  .serv.nc .punto { background: #cbd0d8; }
  .serv.sindata .punto { background: #cbd0d8; }
  .serv.sindata .monto { color: #9aa1ab; font-weight: 500; }
  .chk { width: 16px; height: 16px; flex: 0 0 auto; cursor: pointer; margin-right: 2px; }
  .serv .tipo { font-weight: 600; font-size: 11.5px; min-width: 54px; }
  .serv .cuenta { font-size: 9.5px; color: var(--gris); }
  .serv .monto { margin-left: auto; font-weight: 700; font-size: 11.5px; }
  .serv.pend .monto { color: var(--rojo); }
  .serv.pag .monto { color: var(--verde); }
  .serv .fpago { font-size: 11px; color: var(--verde); }
  .serv .barra { display: flex; gap: 3px; align-items: center; flex: 0 0 auto; }
  .serv .mes { font-size: 9.5px; color: var(--gris); background: #f1f2f4; padding: 1px 5px; border-radius: 9px; white-space: nowrap; }
  .serv .fpago { font-size: 9.5px; }
  .serv .web { font-size: 13px; }
  .serv a.web { text-decoration: none; font-size: 14px; }
  .serv .pdf-ok { color: var(--verde); font-size: 13px; }

  .item-foot { padding: 5px 9px; display: flex; justify-content: flex-end; gap: 5px; background: #fafbfc; }

  .overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
  .modal { background: #fff; border-radius: 14px; width: 100%; max-width: 440px; padding: 20px; position: relative; max-height: 90vh; overflow: auto; }
  .modal h3 { margin: 0 0 14px; }
  .cerrar { position: absolute; top: 10px; right: 10px; background: transparent; color: var(--gris); font-size: 16px; }
  .campo { margin-bottom: 12px; }
  .campo label { display: block; font-size: 12px; color: var(--gris); margin-bottom: 4px; }
  .campo input, .campo select, .campo textarea { width: 100%; padding: 9px; border: 1px solid var(--linea); border-radius: 8px; font-size: 14px; }
  .modal .full { width: 100%; margin-top: 6px; }

  .rep-grupo { margin-bottom: 14px; }
  .rep-grupo h4 { margin: 0 0 6px; font-size: 13px; color: var(--gris); text-transform: uppercase; }
  .rep-fila { display: flex; justify-content: space-between; font-size: 13px; padding: 3px 0; border-bottom: 1px dashed #eee; }
  .rep-total { margin-top: 10px; font-size: 16px; font-weight: 700; text-align: right; }

  .barra-lote { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: #1f2430; color: #fff; padding: 10px 14px; border-radius: 30px; display: flex; align-items: center; gap: 10px; z-index: 70; box-shadow: 0 6px 24px rgba(0,0,0,.3); }
  .barra-lote span { font-size: 13px; font-weight: 600; }
  .ap-pend .chk { width: 17px; height: 17px; flex: 0 0 auto; cursor: pointer; }

  .toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: #1f2430; color: #fff; padding: 10px 18px; border-radius: 24px; font-size: 13px; z-index: 80; }
  .oculto { display: none !important; }