/* =========================================================
   Simulador de SERP · estilos específicos
   Se carga DESPUÉS de /styles.css y reutiliza sus variables
   (--color-primario, --color-acento, --color-neon-purple, fuentes…)
   ========================================================= */

:root {
  --color-borde: #e2e8f0;
  --color-morado-claro: #a78bfa;
  --color-verde-kpi: #6ee7b7;

  /* Estados del análisis (texto con contraste AA) */
  --ok: #1b7a32;
  --ok-bg: rgba(40, 167, 69, 0.12);
  --warn: #8a5a00;
  --warn-bg: rgba(245, 158, 11, 0.16);
  --error: #b02a37;
  --error-bg: rgba(220, 53, 69, 0.12);
  --na: #64748b;
  --na-bg: #e2e8f0;

  --barra-ok: #28a745;
  --barra-warn: #f59e0b;
  --barra-error: #dc3545;
}

/* ---------- Utilidades (igual que la calculadora) ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  padding: 8px 16px;
  background: var(--color-primario);
  color: #fff;
  border-radius: 6px;
  z-index: 2000;
}
.skip-link:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--color-acento); outline-offset: 2px; }

main { max-width: 1100px; }

/* ---------- Cabecera ---------- */
.cabecera {
  position: relative;
  z-index: 5;
  background:
    radial-gradient(circle at 85% -30%, rgba(139, 92, 246, 0.38), transparent 55%),
    radial-gradient(circle at 8% 130%, rgba(37, 99, 235, 0.35), transparent 50%),
    var(--color-primario);
  padding: 32px 20px 26px;
}
.cabecera__logo { display: inline-block; border-radius: 50%; }
.cabecera .foto-perfil {
  width: 96px;
  height: 96px;
  margin-bottom: 14px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.cabecera__logo:hover .foto-perfil,
.cabecera__logo:focus-visible .foto-perfil {
  transform: scale(1.05);
  border-color: var(--color-neon-purple);
}
.badges {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 14px;
}
.badges li { margin: 0; }
.badge {
  padding: 3px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #c4b5fd;
  background: rgba(139, 92, 246, 0.16);
  border: 1px solid rgba(139, 92, 246, 0.4);
  border-radius: 999px;
}
.cabecera h1 {
  font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.7rem);
  line-height: 1.15;
  margin-bottom: 10px;
}
.cabecera__lead { max-width: 640px; margin: 0 auto; line-height: 1.55; }

.kpi-contenedor {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 22px 0 20px;
}
.kpi-tarjeta {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 22px;
  border-radius: 10px;
  min-width: 170px;
  text-align: center;
  box-shadow: 0 10px 30px -14px rgba(139, 92, 246, 0.6);
}
.kpi-numero {
  display: block;
  font-family: var(--fuente-titulos);
  font-size: clamp(1.5rem, 1.2rem + 1vw, 1.9rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-morado-claro);
  font-variant-numeric: tabular-nums;
}
.kpi-numero--verde,
.kpi-numero.es-ok { color: var(--color-verde-kpi); }
.kpi-numero.es-warn { color: #fcd34d; }
.kpi-numero.es-error { color: #fca5a5; }
.kpi-etiqueta { font-size: 12px; font-weight: 500; color: #94a3b8; }

nav a[aria-current="page"] {
  background-color: var(--color-acento);
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.5);
}
nav a:focus-visible { outline-color: #c4b5fd; }
.menu-desplegable:has(a[aria-current="page"]) > a {
  background-color: var(--color-acento);
  border-radius: 6px;
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.5);
}

/* ---------- Migas ---------- */
.migas ol {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-texto-suave);
}
.migas li { margin: 0; }
.migas li + li::before { content: "/"; margin-right: 8px; color: #cbd5e1; }
.migas a { color: inherit; text-decoration: none; }
.migas a:hover { color: var(--color-acento); text-decoration: underline; }

/* ---------- Cabecera de panel y botones ---------- */
.panel__cabecera {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 2px solid var(--color-borde);
  padding-bottom: 8px;
  margin-bottom: 20px;
}
.panel__cabecera h2 { border: 0; margin: 0; padding: 0; }
.acciones { display: flex; flex-wrap: wrap; gap: 10px; }

.btn-secundario {
  padding: 8px 14px;
  font: 600 0.88rem var(--fuente-cuerpo);
  color: var(--color-primario);
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}
.btn-secundario:hover {
  border-color: var(--color-neon-purple);
  color: var(--color-neon-purple);
  background: #f5f3ff;
}

.btn-informe {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0 0 22px;
  padding: 12px 22px;
  font: 600 1rem var(--fuente-cuerpo);
  color: #fff;
  background: linear-gradient(135deg, var(--color-acento), var(--color-neon-purple));
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 10px 24px -10px rgba(139, 92, 246, 0.8);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}
.btn-informe:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 14px 28px -10px rgba(139, 92, 246, 0.9);
}
.btn-informe:focus-visible { outline: 2px solid #c4b5fd; outline-offset: 3px; }
.btn-informe:active { transform: translateY(0); }
.btn-informe--compacto { margin: 0; padding: 9px 16px; font-size: 0.9rem; box-shadow: none; }

/* ---------- Layout del simulador ---------- */
.simulador { display: grid; gap: 28px; }

.serp-form { display: grid; gap: 18px; align-content: start; }
.serp-form textarea { resize: vertical; line-height: 1.45; min-height: 0; }
.serp-form input,
.serp-form textarea { min-height: 44px; background: #fff; }
.serp-form input:hover,
.serp-form textarea:hover { border-color: #94a3b8; }
.serp-form input:focus,
.serp-form textarea:focus { box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15); }
.unidad { font-weight: 400; color: var(--color-texto-suave); }

.campos-2 { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }

.campo-fecha { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; }
.campo-fecha input[type="date"] {
  min-height: 40px;
  padding: 6px 10px;
  font: 0.92rem var(--fuente-cuerpo);
  color: var(--color-primario);
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #fff;
}
.campo-fecha input[type="date"]:disabled { opacity: 0.5; }
.check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primario);
  cursor: pointer;
}
.check input { width: 18px; height: 18px; accent-color: var(--color-acento); }

/* Contadores de longitud */
.contador { display: grid; gap: 6px; margin-top: 4px; }
.barra {
  height: 6px;
  border-radius: 999px;
  background: var(--color-borde);
  overflow: hidden;
}
.barra__relleno {
  display: block;
  height: 100%;
  width: 100%;
  border-radius: inherit;
  background: var(--barra-ok);
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 0.2s ease, background-color 0.2s ease;
}
.contador[data-estado="warn"] .barra__relleno { background: var(--barra-warn); }
.contador[data-estado="error"] .barra__relleno { background: var(--barra-error); }
.contador__texto {
  font-size: 0.8rem;
  color: var(--color-texto-suave);
  font-variant-numeric: tabular-nums;
}
.contador[data-estado="error"] .contador__texto { color: var(--error); font-weight: 600; }

/* Controles de vista */
.vista { min-width: 0; }
.vista__controles {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.seg {
  display: inline-flex;
  padding: 3px;
  background: #f1f5f9;
  border: 1px solid var(--color-borde);
  border-radius: 8px;
}
.seg__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 6px 14px;
  font: 600 0.85rem var(--fuente-cuerpo);
  color: var(--color-texto-suave);
  background: transparent;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}
.seg__btn:hover { color: var(--color-primario); }
.seg__btn[aria-pressed="true"] {
  color: var(--color-primario);
  background: #fff;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.12);
}

.vista__aviso { margin-top: 10px; font-size: 0.78rem; color: var(--color-texto-suave); }

/* =========================================================
   Marco de resultados con estética de buscador
   ========================================================= */
.serp-scroll { overflow-x: auto; border-radius: 12px; }

.serp-marco {
  --g-bg: #fff;
  --g-title: #1a0dab;
  --g-text: #4d5156;
  --g-site: #202124;
  --g-url: #4d5156;
  --g-meta: #70757a;
  --g-line: #ebebeb;
  --g-input-bg: #fff;
  --g-input-border: #dfe1e5;
  --g-input-shadow: 0 1px 6px rgba(32, 33, 36, 0.18);
  --g-fav-bg: #f1f3f4;
  --g-fav-text: #5f6368;
  --g-skel: #eceff1;
  --g-tab: #5f6368;
  --g-tab-active: #1a73e8;
  --g-bold: #5f6368;

  min-width: 640px;
  font-family: Arial, "Liberation Sans", Helvetica, sans-serif;
  color: var(--g-text);
  background: var(--g-bg);
  border: 1px solid var(--color-borde);
  border-radius: 12px;
  overflow: hidden;
  transition: background-color 0.25s ease;
}
.serp-marco[data-theme="oscuro"] {
  --g-bg: #1f1f1f;
  --g-title: #99c3ff;
  --g-text: #bfbfbf;
  --g-site: #dadce0;
  --g-url: #bdc1c6;
  --g-meta: #9aa0a6;
  --g-line: #3c4043;
  --g-input-bg: #303134;
  --g-input-border: #5f6368;
  --g-input-shadow: none;
  --g-fav-bg: #303134;
  --g-fav-text: #e8eaed;
  --g-skel: #303134;
  --g-tab: #9aa0a6;
  --g-tab-active: #8ab4f8;
  --g-bold: #e8e8e8;
  border-color: #3c4043;
}

/* Barra de búsqueda y pestañas */
.serp-barra { padding: 18px 24px 0; border-bottom: 1px solid var(--g-line); }
.serp-busqueda {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 600px;
  min-height: 46px;
  padding: 0 16px 0 20px;
  background: var(--g-input-bg);
  border: 1px solid var(--g-input-border);
  border-radius: 24px;
  box-shadow: var(--g-input-shadow);
}
.serp-busqueda__texto {
  flex: 1;
  min-width: 0;
  font-size: 16px;
  color: var(--g-site);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.serp-busqueda__icono { flex: none; color: var(--g-tab-active); }

.serp-pestanas {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 14px 0 0;
  padding: 0 0 0 4px;
  font-size: 14px;
  color: var(--g-tab);
  overflow: hidden;
}
.serp-pestanas li { margin: 0; padding: 0 2px 10px; white-space: nowrap; border-bottom: 3px solid transparent; }
.serp-pestanas li.activa { color: var(--g-tab-active); border-bottom-color: var(--g-tab-active); font-weight: 700; }

/* Resultados */
.serp-resultados { display: grid; gap: 30px; padding: 22px 24px 28px; }
.g-res { max-width: 600px; }

.g-res__cab { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.g-fav {
  flex: none;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  font-size: 13px;
  font-weight: 700;
  color: var(--g-fav-text);
  background: var(--g-fav-bg);
  border: 1px solid var(--g-line);
  border-radius: 50%;
}
.g-res__fuente { display: flex; flex-direction: column; min-width: 0; gap: 2px; }
.g-site { font-size: 14px; line-height: 20px; color: var(--g-site); }
.g-url {
  font-size: 12px;
  line-height: 18px;
  color: var(--g-url);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.g-puntos { flex: none; margin-left: 4px; color: var(--g-meta); }

.g-title {
  margin: 0 0 4px;
  font-size: 20px;
  line-height: 26px;
  font-weight: 400;
  color: var(--g-title);
  white-space: nowrap;
  overflow: hidden;
  cursor: pointer;
}
.g-title:hover { text-decoration: underline; }
.g-title.es-vacio { color: var(--g-meta); font-style: italic; }

.g-desc { margin: 0; font-size: 14px; line-height: 22px; color: var(--g-text); overflow-wrap: anywhere; }
.g-desc b { font-weight: 700; color: var(--g-bold); }
.g-fecha { color: var(--g-meta); }

/* Resultados de relleno (contexto) */
.g-res--skel { display: grid; gap: 8px; opacity: 0.85; }
.g-res--skel .g-res__cab { margin-bottom: 0; }
.skel { display: block; height: 10px; border-radius: 6px; background: var(--g-skel); }
.skel--s { width: 110px; }
.skel--m { width: 190px; height: 8px; }
.skel--titulo { width: 72%; height: 16px; margin-top: 2px; }
.skel--corto { width: 58%; }
.skel--l { width: 88%; }
.skel--xl { width: 96%; }

/* Vista móvil */
.serp-marco[data-device="mobile"] {
  min-width: 0;
  max-width: 400px;
  margin: 0 auto;
  border-radius: 28px;
  border-width: 8px;
  border-color: #1e293b;
}
.serp-marco[data-device="mobile"] .serp-barra { padding: 14px 14px 0; }
.serp-marco[data-device="mobile"] .serp-busqueda { min-height: 44px; padding: 0 14px 0 16px; }
.serp-marco[data-device="mobile"] .serp-pestanas { gap: 18px; }
.serp-marco[data-device="mobile"] .serp-resultados {
  gap: 10px;
  padding: 10px 0 14px;
  background: var(--g-bg);
}
.serp-marco[data-device="mobile"] .g-res {
  padding: 14px 16px 16px;
  border-bottom: 8px solid var(--g-line);
}
.serp-marco[data-device="mobile"] .g-res:last-child { border-bottom: 0; }
.serp-marco[data-device="mobile"] .g-title {
  white-space: normal;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin: 4px 0 6px;
}
.serp-marco[data-device="mobile"][data-theme="claro"] .g-title { color: #1558d6; }

/* ---------- Análisis ---------- */
.checks { list-style: none; padding: 0; display: grid; gap: 10px; }
.checks li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  align-items: start;
  margin: 0;
  padding: 12px 14px;
  background: #fafafa;
  border: 1px solid var(--color-borde);
  border-left: 4px solid var(--na);
  border-radius: 8px;
}
.checks li[data-estado="ok"] { border-left-color: var(--barra-ok); }
.checks li[data-estado="warn"] { border-left-color: var(--barra-warn); }
.checks li[data-estado="error"] { border-left-color: var(--barra-error); }
.check__icono {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--na-bg);
  color: var(--na);
}
.check__icono svg { width: 16px; height: 16px; }
.checks li[data-estado="ok"] .check__icono { background: var(--ok-bg); color: var(--ok); }
.checks li[data-estado="warn"] .check__icono { background: var(--warn-bg); color: var(--warn); }
.checks li[data-estado="error"] .check__icono { background: var(--error-bg); color: var(--error); }
.check__titulo { display: block; font-weight: 600; color: var(--color-primario); }
.check__detalle { display: block; font-size: 0.88rem; color: var(--color-texto-suave); }

.nota {
  margin-top: 24px;
  padding: 12px 16px;
  font-size: 0.88rem;
  color: var(--color-texto);
  background: #f5f3ff;
  border-left: 4px solid var(--color-neon-purple);
  border-radius: 0 8px 8px 0;
}

/* ---------- Código ---------- */
.codigo {
  margin: 0;
  padding: 18px 20px;
  overflow-x: auto;
  font: 0.88rem/1.6 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  color: #e2e8f0;
  background:
    radial-gradient(circle at 100% 0, rgba(139, 92, 246, 0.22), transparent 55%),
    var(--color-primario);
  border-radius: 8px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.estado {
  min-height: 1.4em;
  margin-top: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ok);
}

/* ---------- Tabla y FAQ ---------- */
#limites > p { color: var(--color-texto); }
.tabla-wrap {
  margin-top: 16px;
  overflow-x: auto;
  border: 1px solid var(--color-borde);
  border-radius: 8px;
}
.tabla { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.tabla th,
.tabla td { padding: 11px 16px; text-align: left; border-bottom: 1px solid var(--color-borde); }
.tabla thead th {
  background: var(--color-primario);
  color: #fff;
  font-family: var(--fuente-titulos);
  font-weight: 700;
}
.tabla tbody th { color: var(--color-primario); white-space: nowrap; }
.tabla tbody tr:nth-child(even) { background: #f8fafc; }
.tabla tbody tr:last-child > * { border-bottom: 0; }

.faq { display: grid; gap: 10px; }
.faq__item {
  border: 1px solid var(--color-borde);
  border-left: 4px solid var(--color-acento);
  border-radius: 8px;
  background: #fafafa;
  transition: border-color 0.2s ease;
}
.faq__item[open] { border-left-color: var(--color-neon-purple); }
.faq__item summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  font-family: var(--fuente-titulos);
  font-weight: 600;
  color: var(--color-primario);
  cursor: pointer;
  list-style: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  font-size: 1.3rem;
  line-height: 1;
  color: var(--color-acento);
  transition: transform 0.2s ease;
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p { padding: 0 16px 16px; color: var(--color-texto); }

/* ---------- Herramientas relacionadas ---------- */
.tool-card {
  display: grid;
  gap: 4px;
  padding: 18px 20px;
  text-decoration: none;
  background: #fafafa;
  border: 1px solid var(--color-borde);
  border-left: 4px solid var(--color-acento);
  border-radius: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.tool-card:hover {
  transform: translateY(-2px);
  border-left-color: var(--color-neon-purple);
  box-shadow: 0 10px 24px -14px rgba(15, 23, 42, 0.35);
}
.tool-card__titulo { font-family: var(--fuente-titulos); font-weight: 700; color: var(--color-primario); }
.tool-card__desc { font-size: 0.92rem; color: var(--color-texto); }
.tool-card__cta { font-size: 0.9rem; font-weight: 600; color: var(--color-acento); }

.tool-cards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

/* ---------- Responsive ---------- */
@media (min-width: 1024px) {
  .simulador { grid-template-columns: minmax(300px, 360px) minmax(0, 1fr); align-items: start; }
  .vista { position: sticky; top: 16px; }
}

@media (max-width: 600px) {
  .cabecera { padding: 24px 14px 20px; }
  .kpi-tarjeta { min-width: 0; flex: 1 1 140px; padding: 10px 14px; }
  section { padding: 22px 18px; }
  .serp-marco[data-device="mobile"] { border-width: 0; border-radius: 12px; border: 1px solid var(--g-line); }
}

@media (min-width: 2560px) {
  html { font-size: 112.5%; }
  main { max-width: 1400px; }
}

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