/* Día 1 Contable — estilos base, móvil primero */
@import url("https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,600;12..96,800&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  --papel: #F6F8F3; --papel-2: #ECF1E8; --tinta: #13243A; --suave: #4D5B68;
  --linea: #D6DFD8; --linea-2: #E3EAE4; --verde: #1E7656; --verde-suave: #DCEDE3;
  --sello: #B8461B; --sello-suave: #FBE9E1; --blanco: #FFFFFF;
  --f-titulo: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --f-texto: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--papel); color: var(--tinta); font-family: var(--f-texto); font-size: 15px; line-height: 1.5; }
a { color: var(--verde); }
h1, h2, h3 { font-family: var(--f-titulo); line-height: 1.15; margin: 0; }
h1 { font-size: 26px; font-weight: 800; }
h2 { font-size: 18px; font-weight: 600; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--verde); outline-offset: 2px; border-radius: 6px; }

.app { max-width: 560px; margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; }
.top { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px 10px; }
.marca { display: flex; align-items: center; gap: 10px; font-family: var(--f-titulo); font-weight: 800; font-size: 18px; text-decoration: none; color: var(--tinta); }
.marca .uno { width: 30px; height: 30px; border: 2px solid var(--verde); border-radius: 7px; display: grid; place-items: center; font-family: var(--f-mono); font-size: 14px; color: var(--verde); }
.salir { font-size: 13px; color: var(--suave); }
main { flex: 1; padding: 6px 20px 100px; display: flex; flex-direction: column; gap: 16px; }
.sub { color: var(--suave); font-size: 14px; }
.etiqueta { font-family: var(--f-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--suave); }

.tarjeta { background: var(--blanco); border: 1px solid var(--linea); border-radius: 12px; padding: 14px 16px; }
.lista { background: var(--blanco); border: 1px solid var(--linea); border-radius: 12px; display: flex; flex-direction: column; }
.fila { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-bottom: 1px solid var(--linea-2); text-decoration: none; color: inherit; }
.fila:last-child { border-bottom: 0; }
.fila .cuerpo { flex: 1; min-width: 0; }
.fila .titulo { font-weight: 600; font-size: 14px; }
.fila .detalle { font-size: 12px; color: var(--suave); }
.fecha { width: 44px; text-align: center; flex-shrink: 0; }
.fecha .d { font-family: var(--f-mono); font-size: 10px; color: var(--suave); }
.fecha .n { font-family: var(--f-titulo); font-weight: 800; font-size: 20px; }

.pill { font-size: 11px; font-weight: 600; border-radius: 999px; padding: 3px 9px; white-space: nowrap; background: var(--papel-2); color: var(--suave); }
.pill.ok { background: var(--verde-suave); color: var(--verde); }
.pill.alerta { background: var(--sello-suave); color: var(--sello); }

.aviso { border-radius: 12px; padding: 12px 14px; font-size: 13px; background: var(--verde-suave); color: #23463A; }
.aviso.alerta { background: var(--sello-suave); color: #7A2F12; }
.sello { font-family: var(--f-mono); font-size: 10px; letter-spacing: .08em; color: var(--sello); border: 1px solid var(--sello); border-radius: 4px; padding: 2px 6px; }

.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.cifra { font-family: var(--f-titulo); font-weight: 800; font-size: 26px; color: var(--verde); }

form.pila { display: flex; flex-direction: column; gap: 12px; }
label { font-size: 13px; font-weight: 600; display: flex; flex-direction: column; gap: 6px; }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  font: inherit; color: var(--tinta); background: var(--blanco); border: 1px solid var(--linea); border-radius: 10px; padding: 0 12px; height: 46px; width: 100%;
}
textarea { height: auto; min-height: 88px; padding: 10px 12px; }
.check { flex-direction: row; align-items: flex-start; gap: 10px; font-weight: 400; }
.check input { width: 20px; height: 20px; margin-top: 2px; flex-shrink: 0; }
.boton { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 18px; border: 0; border-radius: 12px; background: var(--verde); color: #fff; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.boton.sec { background: var(--blanco); color: var(--tinta); border: 1px solid var(--linea); }
.boton.linea { background: transparent; color: var(--verde); border: 1.5px dashed var(--verde); }
.boton.mini { min-height: 36px; padding: 0 12px; font-size: 13px; border-radius: 10px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { min-height: 36px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--linea); background: var(--blanco); color: var(--tinta); text-decoration: none; font-size: 13px; }
.chip.activo { background: var(--tinta); color: var(--papel); border-color: var(--tinta); font-weight: 600; }
.error { color: var(--sello); font-size: 13px; font-weight: 600; }

.resultado { background: var(--tinta); color: var(--papel); border-radius: 14px; padding: 18px; }
.resultado .etiqueta { color: #A9C9B7; }
.resultado .valor { font-family: var(--f-titulo); font-weight: 800; font-size: 34px; }
.fuente { display: flex; justify-content: space-between; gap: 10px; align-items: center; background: var(--verde-suave); border-radius: 10px; padding: 10px 12px; text-decoration: none; color: var(--tinta); }
.fuente b { display: block; font-size: 13px; }
.fuente small { display: block; font-size: 11px; color: #31443B; }
.documento { white-space: pre-wrap; font-family: var(--f-texto); font-size: 14px; background: var(--blanco); border: 1px solid var(--linea); border-radius: 12px; padding: 16px; margin: 0; overflow-x: auto; }
.mono { font-family: var(--f-mono); word-break: break-all; }

.paso { display: flex; align-items: center; gap: 12px; width: 100%; min-height: 56px; padding: 10px 14px; border-radius: 12px; background: var(--blanco); border: 1px solid var(--linea); font: inherit; color: inherit; text-align: left; cursor: pointer; }
.paso.hecho { background: var(--verde-suave); border-color: var(--verde-suave); }
.caja { width: 24px; height: 24px; flex-shrink: 0; border-radius: 6px; border: 2px solid #A9B4AE; display: grid; place-items: center; font-weight: 700; color: #fff; }
.paso.hecho .caja { background: var(--verde); border-color: var(--verde); }
.barra { height: 8px; background: #DDE5DF; border-radius: 999px; overflow: hidden; }
.barra > span { display: block; height: 100%; background: var(--verde); border-radius: 999px; }

.sino { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sino input { position: absolute; opacity: 0; }
.sino label { font-weight: 600; flex-direction: row; justify-content: center; align-items: center; height: 40px; border: 1px solid var(--linea); border-radius: 10px; background: var(--blanco); cursor: pointer; }
.sino input:checked + label { background: var(--tinta); color: var(--papel); border-color: var(--tinta); }
.sino input:focus-visible + label { outline: 3px solid var(--verde); outline-offset: 2px; }

nav.barra-nav { position: fixed; left: 0; right: 0; bottom: 0; background: var(--blanco); border-top: 1px solid var(--linea); padding-bottom: env(safe-area-inset-bottom, 0px); }
nav.barra-nav ul { list-style: none; margin: 0 auto; padding: 0; max-width: 560px; display: grid; grid-template-columns: repeat(5, 1fr); }
nav.barra-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; height: 64px; text-decoration: none; color: var(--suave); font-size: 11px; }
nav.barra-nav a[aria-current=page] { color: var(--verde); font-weight: 600; }
nav.barra-nav svg { width: 22px; height: 22px; }

.acceso { max-width: 420px; margin: 0 auto; padding: 48px 20px; display: flex; flex-direction: column; gap: 20px; }
@media print { nav.barra-nav, .no-imprimir { display: none; } }