/* Guía de uso del Checador (portal/ayuda). Tema claro, estilo de la casa. */
body { background:
  radial-gradient(900px 520px at 95% -10%, color-mix(in srgb, var(--morado) 8%, transparent), transparent 60%),
  radial-gradient(800px 560px at -5% 0%, color-mix(in srgb, var(--azul-2) 8%, transparent), transparent 62%), var(--niebla); }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }

.cab { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px max(16px, calc((100vw - 1240px) / 2)); background: color-mix(in srgb, var(--papel) 88%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.marca { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 16px; }
.marca b { font-weight: 500; color: var(--slate); }
.cab .btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--papel); color: var(--ink); text-decoration: none; font-weight: 600; font-size: 14px; }

.marco { max-width: 1240px; margin: 0 auto; padding: 24px 16px 48px; display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 28px; align-items: start; }

.indice { position: sticky; top: 76px; max-height: calc(100dvh - 92px); overflow: auto; font-size: 14px; }
.indice summary { list-style: none; display: none; }
.indice ul { list-style: none; margin: 0; padding: 0; }
.indice > details > ul > li { margin-bottom: 6px; }
.indice > details > ul > li > a { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--ink); }
.indice > details > ul > li > a .ms { color: var(--primario); font-size: 19px; }
.indice li ul { margin: 2px 0 8px 27px; border-left: 1px solid var(--line); }
.indice a { display: block; padding: 4px 10px; border-radius: 8px; color: var(--ink-soft); text-decoration: none; line-height: 1.35; }
.indice li ul a { padding-left: 12px; font-size: 13.5px; }
.indice a:hover { background: var(--papel); color: var(--ink); }
.indice a.actual { background: var(--primario-wash); color: var(--primario); }

main { display: grid; gap: 20px; min-width: 0; }
.tema { min-width: 0; padding: 28px 30px; line-height: 1.65; font-size: 15.5px; }
.tema h2 { font-size: clamp(22px, 3vw, 28px); letter-spacing: -.02em; margin: 0 0 12px; }
.tema h3 { font-size: 18px; letter-spacing: -.01em; margin: 30px 0 8px; padding-top: 18px; border-top: 1px solid var(--line); }
.tema h2 + h3, .tema h2 + p + h3 { border-top: 0; padding-top: 0; }
.tema h2, .tema h3 { position: relative; }
.ancla { margin-left: 8px; color: var(--line); text-decoration: none; font-weight: 500; opacity: 0; transition: opacity .15s; }
.tema h2:hover .ancla, .tema h3:hover .ancla, .ancla:focus { opacity: 1; color: var(--primario); }
:target { animation: resalta 1.6s ease-out; }
@keyframes resalta { from { background: var(--primario-wash); } to { background: transparent; } }
.tema p, .tema li { color: var(--ink-soft); }
.tema b, .tema strong { color: var(--ink); }
.tema ol, .tema ul { padding-left: 22px; }
.tema li { margin: 4px 0; }

.captura { display: block; margin: 14px 0 18px; }
.captura img { display: block; width: 100%; border-radius: 12px; border: 1px solid var(--line); box-shadow: var(--sombra); background: var(--papel); }
.pasos-cel { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 4px; }
.pasos-cel p { margin: 0; flex: 0 0 auto; }
.pasos-cel .captura { margin: 8px 0 14px; }
.pasos-cel img, .tema h3 + p > .captura img[src*="registro-"] { width: 220px; }
.tema p > .captura img[src*="registro-"] { width: 240px; }

.tabla { overflow-x: auto; margin: 12px 0 16px; border: 1px solid var(--line); border-radius: 12px; }
.tabla table { border-collapse: collapse; width: 100%; font-size: 14.5px; }
.tabla th, .tabla td { text-align: left; padding: 10px 14px; border-top: 1px solid var(--line); vertical-align: top; }
.tabla thead th { border-top: 0; background: var(--niebla); font-size: 13px; color: var(--slate); font-weight: 600; }

.pie { display: flex; align-items: center; justify-content: center; gap: 8px; color: var(--slate); font-size: 13px; padding: 8px 0; }

@media (max-width: 900px) {
  .marco { grid-template-columns: 1fr; gap: 16px; padding-top: 16px; }
  .indice { position: static; max-height: none; }
  .indice details { background: var(--papel); border: 1px solid var(--line); border-radius: 12px; }
  .indice summary { display: flex; align-items: center; gap: 8px; padding: 12px 14px; font-weight: 600; cursor: pointer; }
  .indice details > ul { padding: 0 8px 10px; }
  .tema { padding: 22px 18px; }
  .cab .btn { padding: 7px 10px; }
}
@media (max-width: 520px) {
  .marca b { display: none; }
  .cab .btn { font-size: 13px; white-space: nowrap; }
  .tema h3 { font-size: 17px; }
}