/* Catálogo VMP: estilos propios, móvil primero, sin dependencias. */
:root {
  --color-text: #1b1f23;
  --color-bg: #ffffff;
  --color-muted: #5b6470;
  --color-border: #d9dee3;
  --color-surface: #f4f6f8;
  --color-link: #0b5fa5;
  --ok: #1f7a3a;
  --ok-bg: #e4f3e8;
  --warn: #8a5a00;
  --warn-bg: #fff1cf;
  --bad: #a3202f;
  --bad-bg: #fbe3e6;
  --neutral: #4b5563;
  --neutral-bg: #e9ecef;
  --space: 1rem;
  --max-width: 72rem;
  --radius: 0.375rem;
  font-size: 100%;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: var(--color-link);
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 1.5em 0 0.5em;
}

h1 {
  font-size: 1.75rem;
}

h2 {
  font-size: 1.25rem;
}

h3 {
  font-size: 1.05rem;
}

p,
ul,
ol,
dl,
table {
  margin: 0 0 var(--space);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-text);
  color: var(--color-bg);
  padding: 0.5rem 1rem;
  z-index: 10;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1.5rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.site-name {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-text);
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: 1rem;
}

.site-header nav a {
  text-decoration: none;
}

.site-header nav a[aria-current="page"] {
  font-weight: 600;
  text-decoration: underline;
}

main {
  padding-top: var(--space);
  padding-bottom: calc(var(--space) * 2);
  min-height: 60vh;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space) 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.muted {
  color: var(--color-muted);
}

.message {
  max-width: 40rem;
}

/* Conformidad */
.badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
}

.badge--conforme {
  color: var(--ok);
  background: var(--ok-bg);
  border-color: var(--ok);
}

.badge--conforme_con_observacion {
  color: var(--warn);
  background: var(--warn-bg);
  border-color: var(--warn);
}

.badge--no_conforme {
  color: var(--bad);
  background: var(--bad-bg);
  border-color: var(--bad);
}

.badge--indeterminado,
.badge--fuera_de_categoria {
  color: var(--neutral);
  background: var(--neutral-bg);
  border-color: var(--neutral);
}

.reasons {
  padding-left: 1.25rem;
  margin: 0.5rem 0 var(--space);
}

.reason--informativa {
  color: var(--color-muted);
}

/* Regla */
.prose {
  max-width: 48rem;
}

table.params,
table.versions {
  border-collapse: collapse;
  width: 100%;
  max-width: 48rem;
}

table.params th,
table.params td,
table.versions th,
table.versions td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

table.params th {
  width: 55%;
  font-weight: 500;
}

.results {
  max-width: 48rem;
}

.results__item {
  margin-bottom: 0.75rem;
}

.results dt {
  margin-bottom: 0.25rem;
}

.results dd {
  margin: 0;
}

/* Modelo */
.breadcrumbs {
  font-size: 0.9375rem;
  color: var(--color-muted);
  margin: 0 0 var(--space);
}

.model-header {
  display: flex;
  flex-direction: column;
  gap: var(--space);
  margin-bottom: var(--space);
}

.model-header h1 {
  margin-top: 0;
}

.model-image {
  max-width: 16rem;
  height: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.variant-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space);
  margin-bottom: var(--space);
  background: var(--color-bg);
}

.variant-card h2 {
  margin-top: 0;
}

.spec-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem 1rem;
}

.spec {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 0.5rem;
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--color-surface);
}

.spec dt {
  color: var(--color-muted);
}

.spec dd {
  margin: 0;
}

.sources {
  padding-left: 1.25rem;
  overflow-wrap: anywhere;
}

@media (min-width: 48rem) {
  .model-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .spec-list {
    grid-template-columns: 1fr 1fr;
  }
}

/* Catálogo: filtros */
.filters {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding: var(--space);
  background: var(--color-surface);
  border-radius: var(--radius);
  margin-bottom: var(--space);
  align-items: end;
}

.filters__field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.9375rem;
}

.filters input,
.filters select,
.filters button {
  font: inherit;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  min-height: 2.5rem;
}

.filters button {
  background: var(--color-link);
  color: #fff;
  border-color: var(--color-link);
  cursor: pointer;
}

.results-summary {
  margin: 0 0 0.75rem;
}

.empty {
  padding: var(--space);
  background: var(--color-surface);
  border-radius: var(--radius);
}

/* Catálogo: tabla que se vuelve tarjetas en pantallas angostas */
.variant-table {
  width: 100%;
  border-collapse: collapse;
}

.variant-table thead {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.variant-table tr.variant-row {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
}

.variant-table td {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0.5rem;
  padding: 0.25rem 0;
}

.variant-table td::before {
  content: attr(data-label);
  color: var(--color-muted);
  font-size: 0.875rem;
}

.pagination {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: var(--space);
}

@media (min-width: 48rem) {
  .filters {
    grid-template-columns: 2fr repeat(4, 1fr) auto;
  }

  .variant-table thead {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
  }

  .variant-table th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    border-bottom: 2px solid var(--color-border);
    font-size: 0.875rem;
    color: var(--color-muted);
  }

  .variant-table tr.variant-row {
    display: table-row;
    border: 0;
    padding: 0;
    margin: 0;
  }

  .variant-table td {
    display: table-cell;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
  }

  .variant-table td::before {
    content: none;
  }
}

/* Inicio */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.hero h1 {
  margin-top: 0.5rem;
  font-size: 2rem;
}

.lead {
  font-size: 1.125rem;
  max-width: 40rem;
}

.search {
  display: flex;
  gap: 0.5rem;
  max-width: 32rem;
  margin-bottom: calc(var(--space) * 1.5);
}

.search label {
  flex: 1;
}

.search input,
.search button {
  font: inherit;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  min-height: 2.5rem;
}

.search input {
  width: 100%;
}

.search button {
  background: var(--color-link);
  color: #fff;
  border-color: var(--color-link);
  cursor: pointer;
}

.stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 0 0 var(--space);
}

.stat {
  border: 1px solid var(--color-border);
  border-left-width: 0.375rem;
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
}

.stat dt {
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.stat dd {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
}

.stat--ok {
  border-left-color: var(--ok);
}

.stat--bad {
  border-left-color: var(--bad);
}

@media (min-width: 48rem) {
  .stats {
    grid-template-columns: repeat(3, 1fr);
  }
}