:root{--bg:#f4f6fa;--side:#0f1b2d;--card:#fff;--ink:#1b2435;--mut:#6b7488;--ac:#1d6fe0;--ok:#16a34a;--bad:#dc2626;--warn:#d97706;--line:#e4e8f0}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--ac)}
button,.boton{font:inherit;border:0;border-radius:9px;padding:10px 16px;cursor:pointer;background:var(--ac);color:#fff;text-decoration:none;display:inline-block;text-align:center}
button:hover,.boton:hover{filter:brightness(1.08)}
button.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
button.sm{padding:5px 10px;font-size:13px}
input,select,textarea{font:inherit;padding:10px;border:1px solid var(--line);border-radius:9px;width:100%;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:2px solid #bcd3f7;border-color:var(--ac)}
label{display:grid;gap:5px;font-size:13px;color:var(--mut)}
.mut{color:var(--mut);margin:2px 0}
.chico{font-size:12px}
.t-bad{color:var(--bad)}.t-warn{color:var(--warn)}
.mt{margin-top:16px}

/* Login / instalación */
.login-fondo{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#0f1b2d,#1d4f91)}
.login-caja{background:#fff;border-radius:18px;padding:32px;width:min(400px,100%);display:grid;gap:14px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.logo{font-weight:800;font-size:20px;letter-spacing:-.5px;color:#fff}
.logo span{color:#38bdf8}
.logo.grande{font-size:28px;color:var(--ink)}
.logo.grande span{color:var(--ac)}

/* Avisos */
.aviso{padding:11px 14px;border-radius:10px;font-size:14px;margin-bottom:14px}
.login-caja .aviso{margin:0}
.aviso.ok{background:#dcfce7;color:#166534}
.aviso.warn{background:#fef3c7;color:#92400e}
.aviso.bad{background:#fee2e2;color:#991b1b}

/* Estructura */
.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.side{background:var(--side);color:#cfd8e6;padding:22px 14px;display:flex;flex-direction:column;gap:4px}
.side .logo{padding:2px 10px 20px}
.side nav{display:flex;flex-direction:column;gap:3px}
.side .item{padding:10px 12px;border-radius:9px;font-size:14px;color:#cfd8e6;text-decoration:none;display:flex;justify-content:space-between;align-items:center}
.side a.item:hover{background:rgba(255,255,255,.07)}
.side .item.on{background:var(--ac);color:#fff}
.side .item.off{opacity:.45;cursor:default}
.side .item small{font-size:10px;background:rgba(255,255,255,.12);padding:2px 6px;border-radius:99px}
.side .who{margin-top:auto;font-size:12px;color:#8fa0bb;padding:10px;word-break:break-all}
.top{display:flex;justify-content:space-between;align-items:center;padding:18px 26px;background:#fff;border-bottom:1px solid var(--line);flex-wrap:wrap;gap:10px}
.top h1{margin:0;font-size:20px}
.top-acc{display:flex;gap:10px;align-items:center}
.top-acc form{margin:0}
main{padding:22px 26px 40px}

/* Componentes */
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.card h3{margin:0 0 12px;font-size:15px}
.kpi span{color:var(--mut);font-size:13px}
.kpi b{display:block;font-size:clamp(18px,1.6vw,22px);margin-top:6px;overflow-wrap:anywhere}
.kpi em{font-style:normal;font-size:12px;color:var(--mut)}
.pill{font-size:12px;padding:4px 10px;border-radius:99px;background:#e8f0fd;color:var(--ac);font-weight:600;display:inline-block;white-space:nowrap}
.pill.ok{background:#dcfce7;color:#166534}.pill.warn{background:#fef3c7;color:#92400e}.pill.bad{background:#fee2e2;color:#991b1b}
.fila-tit{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.fila-tit h3{margin:0}
.form{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.form .ancho{grid-column:1/-1}
.en-linea{display:flex;gap:6px;align-items:center;margin-top:6px}
.en-linea select,.en-linea input{width:auto;padding:6px 8px;font-size:13px}
.campo-bad{border-color:var(--bad);color:var(--bad)}
.wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{color:var(--mut);font-size:12px;text-transform:uppercase;white-space:nowrap}

/* Fase 2 */
.mb{margin-bottom:14px}
.boton.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.boton.sm{padding:5px 10px;font-size:13px}
button.ok{background:var(--ok)}
.fila-botones{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.fila-botones form{margin:0}
.sin-mt{margin-top:0}
.buscador{flex:1;min-width:240px;max-width:520px;margin-top:0}
.buscador input{flex:1;width:100%}
.filtros{flex-wrap:wrap;align-items:flex-end}
.filtros label{font-size:12px}
.check{display:flex;align-items:center;gap:8px;color:var(--ink);font-size:14px}
.check input{width:auto}
textarea{resize:vertical}
.split{display:grid;gap:14px;grid-template-columns:1.5fr 1fr;align-items:start}
.num{text-align:right;white-space:nowrap}
.fila-bad td{background:#fff5f5}
.oculto{display:none}
.tabs{display:flex;gap:4px;flex-wrap:wrap}
.tab{padding:7px 12px;border-radius:9px;text-decoration:none;color:var(--mut);font-size:14px}
.tab small{background:var(--bg);border-radius:99px;padding:1px 7px;margin-left:4px}
.tab.on{background:#e8f0fd;color:var(--ac);font-weight:600}
.datos{margin:0;display:grid;gap:10px}
.datos div{display:grid;grid-template-columns:150px 1fr;gap:10px;font-size:14px;border-bottom:1px dashed var(--line);padding-bottom:8px}
.datos div:last-child{border:0}
.datos dt{color:var(--mut)}
.datos dd{margin:0}
.sim .row{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}
.sim .grande{font-size:22px}
.sim .aviso{margin:12px 0 0}
.ancho-btn{width:100%;margin-top:10px}
.aprobar{border-color:#f5c26b;background:#fffbeb}
.enlace{text-decoration:none;color:inherit}
.enlace:hover{border-color:var(--ac)}
.tabla-form td{padding:6px 4px}
.tabla-form input{padding:7px 8px;min-width:70px}
.tabla-form input[type=checkbox]{width:auto;min-width:0}
.fila-nueva td{background:#f8fafc}

/* Evita que tablas anchas estiren la página en el celular */
.app{grid-template-columns:240px minmax(0,1fr)}
.contenido{min-width:0}

/* Ficha del cliente */
.volver{display:inline-block;margin-bottom:12px;font-size:14px;text-decoration:none}
.cab-cliente{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.avatar{width:60px;height:60px;border-radius:50%;background:#e8f0fd;color:var(--ac);display:grid;place-items:center;font-weight:700;font-size:21px;flex:none}
.cab-info{flex:1;min-width:200px}
.cab-info h2{margin:0 0 4px;font-size:21px}
.cab-info p{margin:0 0 8px}
.cab-acciones{display:flex;gap:8px;flex-wrap:wrap}
.dos-col{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));align-items:start}
.datos div{grid-template-columns:110px 1fr}
.texto{margin:0;font-size:14px;line-height:1.5;overflow-wrap:anywhere}
.vacio{font-size:14px;margin:0}
.pie-ficha{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.en-linea-texto{display:inline;margin:0}
.link-boton{background:none;border:0;padding:0;color:var(--ac);font-size:12px;text-decoration:underline;cursor:pointer}
.link-boton.peligro{color:var(--bad)}
td.acc{text-align:right}

@media (max-width:860px){
  .app{grid-template-columns:minmax(0,1fr)}
  .split{grid-template-columns:1fr}
  .cab-acciones{width:100%}
  .cab-acciones .boton{flex:1}
  /* Tablas como tarjetas */
  .tabla-movil thead{display:none}
  .tabla-movil,.tabla-movil tbody,.tabla-movil tr,.tabla-movil td{display:block;width:100%}
  .tabla-movil tr{border:1px solid var(--line);border-radius:12px;padding:6px 12px;margin-bottom:10px}
  .tabla-movil td{display:flex;justify-content:space-between;gap:12px;border:0;border-bottom:1px dashed var(--line);padding:8px 0;text-align:right}
  .tabla-movil td:last-child{border:0}
  .tabla-movil td::before{content:attr(data-label);color:var(--mut);font-size:13px;text-align:left}
  .tabla-movil td.acc{justify-content:flex-end}
  .tabla-movil td.solo-pc{display:none}
  .tabla-movil tr.fila-solo-pc{display:none}
  .cobrar-split{display:flex;flex-direction:column;gap:14px}
  .cobrar-split > div{display:contents}
  .cobrar-split .cab-cliente{order:-2}
  .cobrar-split > form{order:-1}
  .cobrar-split .card.mt{margin-top:0}
  .tabla-movil td.acc .boton{width:100%}
  .datos div{grid-template-columns:1fr;gap:2px}
  .side{flex-direction:row;align-items:center;overflow-x:auto;padding:10px}
  .side .logo{padding:0 10px 0 4px}
  .side nav{flex-direction:row}
  .side .item{white-space:nowrap}
  .side .item.off,.side .who{display:none}
  .top,main{padding-left:16px;padding-right:16px}
}

/* Fase 3: cobros y caja */
.boton.ok{background:var(--ok)}
.t-ok{color:var(--ok)}
.seccion{margin:22px 0 10px;font-size:15px}
.bloque{display:block;text-decoration:none}
.aviso a{color:inherit;font-weight:600}
.monto-grande{font-size:22px;font-weight:700;padding:12px}
.rapidos{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:6px}
.rapidos button{line-height:1.3;padding:8px;text-align:center}
.sim .row.total{border-bottom:2px solid var(--ink)}
.fila-anulada td{opacity:.55;text-decoration:line-through}
.fila-anulada td .pill{text-decoration:none}
.mov{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-top:1px dashed var(--line);font-size:14px}
details.anular{display:inline-block;margin-left:6px}
details.anular summary{list-style:none;display:inline}
details.anular summary::-webkit-details-marker{display:none}
details.anular form{margin-top:6px}
.abrir-caja{max-width:480px}
.fila-total td{font-weight:700;border-top:2px solid var(--ink)}
.barras{display:grid;gap:6px}
.barra-fila{display:grid;grid-template-columns:48px 1fr 120px;gap:8px;align-items:center;font-size:13px}
.barra-fila b{text-align:right}
.barra-fondo{background:var(--bg);border-radius:6px;height:14px;overflow:hidden}
.barra-relleno{background:var(--ac);height:100%;border-radius:6px}
button:disabled{opacity:.5;cursor:not-allowed}

/* Fase 4: tabla de tipos de préstamo */
.tabla-form td{white-space:nowrap}
.tabla-form td:nth-child(1) input{min-width:120px}
.tabla-form td:nth-child(2) select{min-width:115px}
.tabla-form td:nth-child(3) select{min-width:300px}
.tabla-form td:nth-child(n+4) input:not([type=checkbox]){width:90px}
.tabla-form td:nth-child(8) input{width:120px}