:root {
    color-scheme: light;
    --azul: #15395b;
    --azul-claro: #e9f2fa;
    --texto: #183149;
    --muted: #5c6f80;
    --borde: #d8e1e8;
    --fondo: #f4f7fa;
    --blanco: #fff;
    --exito: #16724a;
    --error: #a72b32;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--fondo); color: var(--texto); line-height: 1.55; }
a { color: #075b9f; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid #f0a500; outline-offset: 2px; }
.salto-contenido { position: absolute; left: -9999px; }
.salto-contenido:focus { left: 1rem; top: 1rem; z-index: 10; background: #fff; padding: .75rem; }
.cabecera { min-height: 4.25rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .75rem clamp(1rem, 5vw, 4rem); background: var(--azul); color: #fff; }
.cabecera form { margin: 0; }
.marca { color: #fff; text-decoration: none; font-size: 1.15rem; font-weight: 750; }
.navegacion-principal { display: flex; flex-wrap: wrap; gap: .5rem; margin-inline: auto; }
.navegacion-principal a { color: #fff; text-decoration: none; padding: .45rem .7rem; border-radius: 999px; background: rgba(255,255,255,.12); }
.navegacion-principal a:hover { background: rgba(255,255,255,.2); }
.contenedor { width: min(72rem, calc(100% - 2rem)); margin: 2rem auto 4rem; }
.tarjeta { background: var(--blanco); border: 1px solid var(--borde); border-radius: .9rem; padding: 1.4rem; box-shadow: 0 .4rem 1.4rem rgba(21,57,91,.06); }
.tarjeta-angosta { max-width: 34rem; margin: clamp(1rem, 8vh, 5rem) auto; }
.cuadricula { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.cuadricula-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.bienvenida { padding: 1rem 0 2rem; }
.etiqueta { color: #2a6d9c; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; }
h1, h2, h3 { line-height: 1.2; }
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-top: .3rem; }
form { display: grid; gap: 1rem; margin: 1.5rem 0; }
label { display: grid; gap: .4rem; font-weight: 650; }
input, select, textarea { width: 100%; min-height: 2.8rem; padding: .65rem .75rem; border: 1px solid #9eafbc; border-radius: .45rem; font: inherit; color: inherit; background: #fff; }
textarea { min-height: 6.5rem; resize: vertical; }
.boton { display: inline-flex; justify-content: center; align-items: center; width: fit-content; min-height: 2.7rem; padding: .65rem 1rem; border: 1px solid var(--azul); border-radius: .45rem; background: var(--azul); color: #fff; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
.boton:hover { background: #0b2b48; }
.boton-secundario { border-color: #bcd0df; background: transparent; }
.boton-peligro { border-color: var(--error); background: var(--error); }
.mensaje { padding: .8rem 1rem; border-radius: .5rem; margin: 1rem 0; border-left: 4px solid #497c9f; background: var(--azul-claro); }
.mensaje-error { border-color: var(--error); background: #fff0f0; }
.mensaje-exito { border-color: var(--exito); background: #edf9f3; }
.texto-secundario, .ayuda { color: var(--muted); font-weight: 400; }
.estado { display: inline-block; padding: .3rem .65rem; border-radius: 999px; background: #eef1f4; font-size: .85rem; font-weight: 700; }
.estado-correcto { background: #e5f6ee; color: #075e3a; }
.estado-alerta { background: #fff3da; color: #8a5b00; }
.codigo-error { margin: 0; color: #668197; font-size: 3rem; font-weight: 800; }
.pie { padding: 2rem 1rem; color: var(--muted); text-align: center; font-size: .9rem; }
code { overflow-wrap: anywhere; }
.acciones { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; margin: 1rem 0 1.5rem; }
.formulario-linea { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.tabla-contenedor { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: .85rem .75rem; border-bottom: 1px solid var(--borde); text-align: left; vertical-align: top; }
th { font-size: .88rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.lista-etiquetas { display: flex; flex-wrap: wrap; gap: .35rem; }
.lista-etiquetas span { background: var(--azul-claro); color: var(--azul); border-radius: 999px; padding: .25rem .55rem; font-size: .85rem; font-weight: 700; }
.numero-destacado { font-size: 2.1rem; font-weight: 800; margin: .25rem 0 .5rem; }
.seccion-apilada { display: grid; gap: 1rem; margin-top: 1.5rem; }
.subseccion-cabecera { display: flex; justify-content: space-between; align-items: end; gap: 1rem; }
.detalle-resumen { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem 1rem; }
.detalle-resumen div { background: #fff; border: 1px solid var(--borde); border-radius: .7rem; padding: .9rem 1rem; }
.detalle-resumen dt { color: var(--muted); font-size: .85rem; font-weight: 700; }
.detalle-resumen dd { margin: .35rem 0 0; font-weight: 700; }
.casilla { display: flex; gap: .55rem; align-items: center; font-weight: 600; }
.casilla input { width: auto; min-height: auto; }

@media (max-width: 760px) {
    .cuadricula { grid-template-columns: 1fr; }
    .cuadricula-2 { grid-template-columns: 1fr; }
    .formulario-linea { grid-template-columns: 1fr; }
    .detalle-resumen { grid-template-columns: 1fr; }
    .cabecera { padding-inline: 1rem; }
    .navegacion-principal { margin-inline: 0; width: 100%; }
    .contenedor { width: min(100% - 1rem, 72rem); margin-top: 1rem; }
    .tarjeta { padding: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}