/* Cliente web de datosabiertos · estilo institucional, sobrio y con mucho aire.
   Mobile-first: las reglas base son para móvil y las @media amplían. */

:root {
  --marino: #002664;
  --oscuro: #00163b;
  --negro: #000c1f;
  --accion: #0066c5;
  --accion-hover: #004ac3;
  --ambar: #ffb000;
  --tinta: #00163b;
  --tenue: #4a5568;
  --linea: #e8e8e8;
  --linea-fuerte: #ccc;
  --fondo: #ffffff;
  --claro: #f1f5fb;
  --claro-2: #e6f2ff;
  --alerta: #a33a0b;
  --alerta-tenue: #fdf0e8;
  --ok: #17614a;
  --ok-tenue: #e4f3ec;
  --sans: "Helvetica Neue", Helvetica, Inter, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radio: 16px;
  --sombra: 0 1px 2px rgba(0, 22, 59, .06), 0 8px 24px rgba(0, 22, 59, .08);
  --sombra-alta: 0 2px 4px rgba(0, 22, 59, .06), 0 16px 40px rgba(0, 22, 59, .12);
  --anillo: 0 0 0 3px #fff, 0 0 0 6px var(--accion);
  --transicion: 200ms ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--sans); font-size: 1.0625rem; line-height: 1.6;
  color: var(--tinta); background: var(--fondo); -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
img, svg { max-width: 100%; }
a { color: var(--accion); text-underline-offset: .18em; transition: color var(--transicion); }
a:hover { color: var(--accion-hover); }
code, pre, kbd { font-family: var(--mono); font-size: .86em; }
h1, h2, h3 { color: var(--marino); line-height: 1.1; letter-spacing: -.02em; margin: 0; }
strong { font-weight: 700; }

.contenedor { width: 100%; max-width: 75rem; margin: 0 auto; padding: 0 1.25rem; }
.oculto { display: none !important; }
.visualmente-oculto {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}
.saltar {
  position: absolute; left: 1rem; top: -4rem; z-index: 100; background: var(--marino); color: #fff;
  padding: .6rem 1rem; border-radius: 8px; text-decoration: none; font-weight: 600;
}
.saltar:focus { top: .75rem; color: #fff; }

/* Foco muy visible en todo lo interactivo */
:focus-visible { outline: 3px solid var(--accion); outline-offset: 3px; border-radius: 4px; }

/* Botones ------------------------------------------------------------------------------ */
button {
  font: inherit; font-size: 1rem; font-weight: 600; line-height: 1.2;
  padding: .75rem 1.4rem; border-radius: 999px; cursor: pointer; white-space: nowrap;
  background: var(--accion); color: #fff; border: 2px solid var(--accion);
  transition: background-color var(--transicion), border-color var(--transicion),
              color var(--transicion), box-shadow var(--transicion), transform var(--transicion);
}
button:hover { background: var(--accion-hover); border-color: var(--accion-hover); }
button.secundario { background: #fff; color: var(--accion); border-color: var(--linea-fuerte); }
button.secundario:hover { border-color: var(--accion); background: var(--claro-2); color: var(--accion-hover); }
button:disabled, button:disabled:hover {
  cursor: not-allowed; background: #d6dbe3; border-color: #d6dbe3; color: #5b6472;
}
button.secundario:disabled { background: #fff; border-color: var(--linea); color: #8a93a0; }

/* Formularios -------------------------------------------------------------------------- */
label { display: block; font-size: .8125rem; color: var(--tenue); margin-bottom: .35rem; font-weight: 600; letter-spacing: .02em; }
input[type=text], select, textarea {
  width: 100%; padding: .75rem 1rem; font: inherit; font-size: 1rem; color: var(--tinta);
  background: #fff; border: 1px solid var(--linea-fuerte); border-radius: 12px;
  transition: border-color var(--transicion), box-shadow var(--transicion);
}
input[type=text]:hover, select:hover { border-color: #9aa3ae; }
input[type=text]:focus-visible, select:focus-visible {
  outline: none; border-color: var(--accion); box-shadow: 0 0 0 3px rgba(0, 102, 197, .35);
}
select {
  appearance: none; -webkit-appearance: none; padding-right: 2.5rem; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23002664' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 1rem center;
}
progress { width: 100%; height: 6px; accent-color: var(--accion); border-radius: 999px; }

.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chips button {
  background: #fff; color: var(--marino); border: 1px solid var(--linea-fuerte);
  font-weight: 500; font-size: .9375rem; padding: .5rem 1rem; white-space: normal; text-align: left;
}
.chips button:hover { border-color: var(--accion); color: var(--accion-hover); background: var(--claro-2); }

.aviso { font-size: .9375rem; color: var(--tenue); border-left: 3px solid var(--linea-fuerte); padding-left: .8rem; margin: 1rem 0 0; }
.aviso.alerta { border-color: var(--alerta); color: var(--alerta); }

/* Cabecera ----------------------------------------------------------------------------- */
header.cabecera {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--linea); backdrop-filter: saturate(1.4) blur(8px);
}
.cabecera .contenedor { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem 1.5rem; padding-block: .75rem; }
.marca {
  display: inline-flex; align-items: center; gap: .55rem; font-weight: 700; font-size: 1.1875rem;
  letter-spacing: -.02em; text-decoration: none; color: var(--marino);
}
.marca:hover { color: var(--marino); }
.marca .punto { width: .65rem; height: .65rem; border-radius: 50%; background: var(--ambar); flex: none; }
nav.principal { display: flex; flex-wrap: wrap; gap: .1rem .25rem; margin-left: auto; }
nav.principal a {
  text-decoration: none; color: var(--oscuro); font-size: .9375rem; font-weight: 500;
  padding: .4rem .7rem; border-radius: 999px; transition: background-color var(--transicion), color var(--transicion);
}
nav.principal a:hover { background: var(--claro); color: var(--accion-hover); }

/* Secciones ---------------------------------------------------------------------------- */
.seccion { padding: 3.5rem 0; scroll-margin-top: 4rem; }
.seccion.clara { background: var(--claro); }
.seccion.azul { background: var(--claro-2); }
.seccion-cabecera { max-width: 46rem; margin: 0 0 2rem; }
.seccion-cabecera h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 700; }
.seccion-cabecera p { margin: .75rem 0 0; color: var(--tenue); font-size: 1.125rem; }
.antetitulo {
  display: inline-block; margin-bottom: .75rem; font-size: .8125rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; color: var(--accion);
}

/* Hero (chat) -------------------------------------------------------------------------- */
.hero {
  padding: 3.5rem 0 3rem; text-align: center; scroll-margin-top: 4rem;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, var(--claro) 0%, #fff 70%);
}
.hero h1 { font-size: clamp(2.25rem, 5vw, 4rem); font-weight: 700; letter-spacing: -.035em; line-height: 1.04; }
.hero .subtitulo { margin: 1rem auto 0; max-width: 40rem; font-size: clamp(1.125rem, 2vw, 1.375rem); color: var(--tenue); line-height: 1.45; }
.hero-interior { max-width: 52rem; margin: 0 auto; }

.compositor {
  display: flex; align-items: flex-end; gap: .5rem; margin: 2.25rem auto 0; text-align: left;
  background: #fff; border: 1px solid var(--linea-fuerte); border-radius: 32px;
  padding: .5rem .5rem .5rem 1.4rem; box-shadow: var(--sombra-alta);
  transition: border-color var(--transicion), box-shadow var(--transicion);
}
.compositor:hover { border-color: #9aa3ae; }
.compositor:focus-within { border-color: var(--accion); box-shadow: var(--sombra-alta), 0 0 0 3px rgba(0, 102, 197, .35); }
.compositor textarea {
  flex: 1; border: 0; background: transparent; resize: none; padding: .8rem 0;
  min-height: 3.2rem; max-height: 10rem; font-size: 1.125rem; line-height: 1.45;
}
.compositor textarea:focus-visible { outline: none; box-shadow: none; }
.compositor textarea::placeholder { color: #6b7380; }
.compositor textarea:disabled { background: transparent; }
#btn-enviar {
  flex: none; width: 3.2rem; height: 3.2rem; padding: 0; border-radius: 50%;
  display: grid; place-items: center;
}
#btn-enviar svg { width: 1.35rem; height: 1.35rem; }
#btn-enviar:focus-visible { outline: 3px solid var(--accion); outline-offset: 3px; }

.ajustes-chat { margin: 1.25rem auto 0; max-width: 46rem; }
.motor { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .5rem .75rem; }
.motor .etiqueta-motor { font-size: .875rem; color: var(--tenue); font-weight: 600; margin: 0; }
.motor select { width: auto; max-width: 100%; padding: .5rem 2.25rem .5rem .9rem; font-size: .9375rem; border-radius: 999px; }
.motor button { padding: .5rem 1rem; font-size: .9375rem; }
#panel-motor { margin-top: .9rem; font-size: .9375rem; color: var(--tenue); line-height: 1.55; }
#panel-motor code { color: var(--marino); }
#motor-navegador { text-align: left; background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); padding: 1rem 1.25rem; }
#panel-motor .fila { margin-top: .75rem; }
#panel-motor progress { margin-top: .75rem; }
#estado-modelo { margin: .5rem 0 0; }

.fila { display: flex; gap: .75rem; align-items: flex-end; flex-wrap: wrap; }
.fila > :first-child { flex: 1 1 16rem; min-width: 0; }

/* Conversación */
.mensajes {
  display: flex; flex-direction: column; gap: 1.1rem; margin: 2rem auto 0; max-width: 60rem; text-align: left;
}
.mensajes:has(.mensaje) {
  background: #fff; border: 1px solid var(--linea); border-radius: 24px; box-shadow: var(--sombra);
  padding: 1.25rem; max-height: 72vh; overflow-y: auto; overscroll-behavior: contain;
}
.bienvenida { color: var(--tenue); font-size: 1rem; text-align: center; }
.bienvenida p { margin: 0 auto 1rem; max-width: 40rem; }
.bienvenida .chips { justify-content: center; }
.mensaje { display: flex; flex-direction: column; gap: .6rem; max-width: 100%; }
.mensaje.usuario { align-items: flex-end; }
.burbuja {
  padding: .7rem 1.05rem; border-radius: 20px; max-width: 100%; white-space: pre-wrap; overflow-wrap: anywhere;
}
.usuario .burbuja { background: var(--marino); color: #fff; border-bottom-right-radius: 6px; }
.asistente .texto { max-width: 46rem; }
.asistente .texto p { margin: 0 0 .7rem; }
.asistente .texto p:last-child { margin-bottom: 0; }
.asistente .texto ul, .asistente .texto ol { margin: 0 0 .7rem; padding-left: 1.3rem; }
.asistente .texto code { background: var(--claro); padding: .05em .35em; border-radius: 4px; }
.asistente .texto a { overflow-wrap: anywhere; }
.paso { border: 1px solid var(--linea); border-radius: 12px; background: var(--claro); font-size: .875rem; max-width: 46rem; }
.paso summary {
  cursor: pointer; padding: .6rem .85rem; display: flex; flex-wrap: wrap; gap: .4rem .75rem;
  align-items: center; list-style: none; border-radius: 12px;
}
.paso summary::-webkit-details-marker { display: none; }
.paso summary::before { content: "▸"; color: var(--accion); font-size: .8rem; }
.paso[open] summary::before { content: "▾"; }
.paso .nombre { font-family: var(--mono); color: var(--marino); font-weight: 700; }
.paso .args { font-family: var(--mono); color: var(--tenue); overflow-wrap: anywhere; min-width: 0; }
.paso .cuenta { margin-left: auto; color: var(--tenue); white-space: nowrap; }
.paso .cuenta.error { color: var(--alerta); }
.paso .cuerpo { padding: 0 .85rem .85rem; max-height: 24rem; overflow-y: auto; }
.paso .cuerpo .aviso { margin: 0 0 .5rem; }
.paso pre { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font-size: .8rem; color: var(--tenue); max-height: 16rem; overflow: auto; }
.pensando { color: var(--tenue); font-size: .9375rem; display: inline-flex; gap: .45rem; align-items: center; }
.pensando::after {
  content: ""; width: .55rem; height: .55rem; border-radius: 50%; background: var(--accion);
  animation: latido 1s infinite ease-in-out;
}
@keyframes latido { 0%, 100% { opacity: .2; transform: scale(.7); } 50% { opacity: 1; transform: scale(1); } }
.error-chat { color: var(--alerta); background: var(--alerta-tenue); border-radius: 12px; padding: .7rem 1rem; font-size: .9375rem; max-width: 46rem; }
.pie-chat { margin: 1.25rem auto 0; max-width: 46rem; font-size: .875rem; color: var(--tenue); }

/* Banda de confianza ------------------------------------------------------------------- */
.banda { background: var(--marino); color: #fff; padding: 3rem 0; }
.banda p {
  margin: 0; max-width: 58rem; font-size: clamp(1.375rem, 3vw, 2.125rem); line-height: 1.3;
  font-weight: 600; letter-spacing: -.02em;
}
.banda p span { color: #b9d5ff; font-weight: 400; }
.banda .raya { display: block; width: 3rem; height: 4px; border-radius: 2px; background: var(--ambar); margin-bottom: 1.25rem; }

/* Rejillas y tarjetas ------------------------------------------------------------------ */
.rejilla { display: grid; gap: 1.25rem; grid-template-columns: 1fr; }
.bloque {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); padding: 1.75rem;
  transition: box-shadow var(--transicion), transform var(--transicion), border-color var(--transicion);
}
.bloque:hover { box-shadow: var(--sombra-alta); transform: translateY(-2px); border-color: #d5dde8; }
.bloque h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: .6rem; }
.bloque p { margin: 0; color: var(--tenue); }
.bloque p + p { margin-top: .6rem; }
.bloque .icono {
  display: grid; place-items: center; width: 2.75rem; height: 2.75rem; border-radius: 12px;
  background: var(--claro-2); color: var(--marino); font-family: var(--mono); font-weight: 700; margin-bottom: 1.1rem;
}
.bloque.herramienta h3 { font-family: var(--mono); font-size: 1.0625rem; letter-spacing: 0; overflow-wrap: anywhere; }
.bloque.herramienta .args-herramienta { margin-top: .9rem; font-size: .875rem; color: var(--marino); }
.bloque.contrato-bloque { background: var(--claro); }

/* Cifras */
.cifras { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr)); }
.cifra {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio); padding: 1.5rem 1.5rem 1.25rem;
  transition: box-shadow var(--transicion), transform var(--transicion);
}
.cifra:hover { box-shadow: var(--sombra-alta); transform: translateY(-2px); }
.cifra strong {
  display: block; color: var(--marino); font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700;
  letter-spacing: -.03em; line-height: 1.05; font-variant-numeric: tabular-nums;
}
.cifra span { display: block; margin-top: .4rem; color: var(--tenue); font-size: .9375rem; }
.cifras-nota { grid-column: 1 / -1; margin: 0; color: var(--tenue); }

/* Búsqueda directa --------------------------------------------------------------------- */
.panel-busqueda {
  background: #fff; border: 1px solid var(--linea); border-radius: 24px; padding: 1.5rem; box-shadow: var(--sombra);
}
.panel-busqueda .ciudad-campo { flex: 1 1 12rem; }
#ejemplos-directo { margin-top: 1rem; }
.fichas { display: grid; gap: .75rem; margin-top: .75rem; }
.panel-busqueda .fichas { gap: 1rem; margin-top: 1.25rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr)); }
.tarjeta {
  border: 1px solid var(--linea); border-top: 4px solid var(--accion); border-radius: 14px;
  padding: 1rem 1.15rem; background: #fff; min-width: 0;
  transition: box-shadow var(--transicion), transform var(--transicion);
}
.tarjeta:hover { box-shadow: var(--sombra); }
.tarjeta h3 { margin: 0 0 .35rem; font-size: 1.0625rem; line-height: 1.3; letter-spacing: -.01em; }
.tarjeta p { margin: 0 0 .6rem; font-size: .9375rem; color: var(--tenue); line-height: 1.5; }
.meta { font-size: .8125rem; color: var(--tenue); display: flex; gap: .3rem .9rem; flex-wrap: wrap; align-items: center; }
.meta a { font-weight: 600; }
.tarjeta.sin-licencia { border-top-color: var(--alerta); }
.insignia { color: var(--alerta); font-weight: 700; }
.insignia.ok { color: var(--ok); font-weight: 600; }

/* Conectar ----------------------------------------------------------------------------- */
.panel-conectar {
  background: #fff; border: 1px solid var(--linea); border-radius: 24px; padding: 1.5rem; box-shadow: var(--sombra);
}
.endpoint {
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .75rem; background: var(--claro);
  border: 1px solid var(--linea); border-radius: 14px; padding: .85rem 1rem; margin: 0 0 1.5rem;
}
.endpoint code { font-size: 1rem; color: var(--marino); font-weight: 600; overflow-wrap: anywhere; min-width: 0; }
.endpoint .metodo { font-size: .75rem; font-weight: 700; color: var(--ok); background: var(--ok-tenue); padding: .2rem .55rem; border-radius: 6px; letter-spacing: .06em; }
.endpoint .detalle { color: var(--tenue); font-size: .875rem; }
.pestanas {
  display: flex; gap: .25rem; border-bottom: 1px solid var(--linea); margin-bottom: 1.5rem;
  overflow-x: auto; scrollbar-width: thin;
}
.pestanas button {
  flex: none; background: transparent; color: var(--tenue); border: 0; border-bottom: 3px solid transparent;
  border-radius: 0; padding: .7rem .9rem; font-weight: 500; font-size: .9375rem;
}
.pestanas button:hover { background: transparent; color: var(--accion-hover); border-bottom-color: var(--linea-fuerte); }
.pestanas button[aria-selected=true] { color: var(--marino); border-bottom-color: var(--marino); font-weight: 700; }
.pestanas button:focus-visible { outline-offset: -3px; }
.pestana ol { margin: 0 0 1rem; padding-left: 1.4rem; }
.pestana li { margin-bottom: 1rem; }
.pestana li::marker { color: var(--marino); font-weight: 700; }
.pestana li > p { margin: 0 0 .5rem; }
.codigo { position: relative; margin: .5rem 0 0; }
.codigo pre {
  margin: 0; background: var(--oscuro); color: #e6edf3; border-radius: 12px;
  padding: 2.75rem 1rem 1rem; white-space: pre-wrap; overflow-wrap: anywhere; font-size: .8125rem; line-height: 1.55;
}
.codigo .copiar {
  position: absolute; top: .5rem; right: .5rem; font-size: .8125rem; padding: .3rem .8rem;
  background: rgba(255, 255, 255, .1); color: #fff; border: 1px solid rgba(255, 255, 255, .28); font-weight: 600;
}
.codigo .copiar:hover { background: rgba(255, 255, 255, .22); border-color: rgba(255, 255, 255, .5); }
.codigo .copiar:focus-visible { outline-color: var(--ambar); }
.nota-cliente { font-size: .9375rem; color: var(--tenue); margin: 0 0 .75rem; }
.prompt-sugerido { margin-top: 1.75rem; padding-top: 1.5rem; border-top: 1px solid var(--linea); }
.prompt-sugerido h3 { margin: 0 0 .4rem; font-size: 1.25rem; }
.prompt-sugerido .codigo pre { font-family: var(--sans); font-size: .9375rem; }
.limites { margin: 1.5rem 0 0; font-size: .9375rem; color: var(--tenue); }

/* Pie ---------------------------------------------------------------------------------- */
footer.pie { background: var(--negro); color: #c9d3e3; padding: 3.5rem 0 2.5rem; font-size: .9375rem; }
footer.pie a { color: #9ccaff; }
footer.pie a:hover { color: #fff; }
footer.pie :focus-visible { outline-color: var(--ambar); }
footer.pie code { color: #fff; }
footer.pie .insignia { color: #ffc78a; }
.pie-rejilla { display: grid; gap: 2rem; grid-template-columns: 1fr; }
.pie h2 { color: #fff; font-size: 1rem; letter-spacing: 0; margin-bottom: .6rem; }
.pie p { margin: 0; }
.pie-marca { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; align-items: center; margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255, 255, 255, .14); }
.pie-marca .marca { color: #fff; }
.pie-marca nav { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; }
.pie-marca nav a { text-decoration: none; }
.pie-marca nav a:hover { text-decoration: underline; }

/* Tablet ------------------------------------------------------------------------------- */
@media (min-width: 40rem) {
  .contenedor { padding: 0 2rem; }
  .seccion { padding: 4.5rem 0; }
  .hero { padding: 5rem 0 4rem; }
  .rejilla { grid-template-columns: repeat(2, 1fr); }
  .panel-busqueda, .panel-conectar { padding: 2rem; }
  .mensajes:has(.mensaje) { padding: 1.5rem; }
  .burbuja { max-width: 42rem; }
  .codigo pre { padding: .9rem 6rem .9rem 1.1rem; }
  .pie-rejilla { grid-template-columns: repeat(2, 1fr); }
  .banda { padding: 4rem 0; }
}

/* Escritorio --------------------------------------------------------------------------- */
@media (min-width: 64rem) {
  .seccion { padding: 5.5rem 0; }
  .hero { padding: 6.5rem 0 4.5rem; }
  .rejilla { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
  .bloque { padding: 2rem; }
  .pie-rejilla { grid-template-columns: repeat(3, 1fr); gap: 3rem; }
}

@media (max-width: 30rem) {
  nav.principal { margin-left: -.7rem; }
  .compositor { padding-left: 1.1rem; border-radius: 26px; }
  .compositor textarea { font-size: 1.0625rem; }
  .paso .cuenta { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0ms !important; animation-duration: 0ms !important; animation-iteration-count: 1 !important; }
  .bloque:hover, .cifra:hover { transform: none; }
}