/* Índice flotante del manual (/documentacion). Escritorio: columna fija a la izquierda.
   Mobile: botón flotante que abre el índice como panel inferior. */
.ar-docs-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; }
.ar-docs-main { min-width: 0; }
.ar-doc h2, .ar-doc h3, .ar-doc h4 { scroll-margin-top: 92px; }

.ar-toc { background: var(--ar-card); border: 1px solid var(--ar-border); border-radius: 12px; display: flex; flex-direction: column; min-height: 0; }
.ar-toc__head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 14px 14px 8px; }
.ar-toc__title { margin: 0; font-family: var(--ar-font-display); font-size: 14px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--ar-silver); }
.ar-toc__close { display: none; min-width: 44px; min-height: 44px; border: 0; background: transparent; color: var(--ar-text); font-size: 22px; cursor: pointer; }
.ar-toc__search { margin: 0 14px 10px; }
.ar-toc__search input { width: 100%; min-height: 44px; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--ar-border); background: var(--ar-obsidian, #0c0e12); color: var(--ar-text); font: inherit; font-size: 15px; }
.ar-toc__search input:focus-visible { outline: 2px solid var(--ar-crimson); outline-offset: 1px; }
.ar-toc__nav { overflow-y: auto; padding: 0 8px 12px; overscroll-behavior: contain; min-height: 0; }
.ar-toc__nav ul { list-style: none; margin: 0; padding: 0; }
.ar-toc__nav a { display: block; padding: 7px 10px; border-left: 3px solid transparent; border-radius: 0 6px 6px 0; color: var(--ar-silver); text-decoration: none; font-size: 14px; line-height: 1.3; }
.ar-toc__nav a:hover { color: var(--ar-text); background: rgba(255,255,255,.04); }
.ar-toc__nav a:focus-visible { outline: 2px solid var(--ar-crimson); outline-offset: -2px; }
.ar-toc__nav .n2 > a { margin-top: 8px; font-weight: 700; color: var(--ar-text); font-size: 14.5px; }
.ar-toc__nav .n3 > a { padding-left: 22px; }
.ar-toc__nav a.is-active { color: var(--ar-text); border-left-color: var(--ar-crimson); background: rgba(200,16,46,.12); font-weight: 700; }
.ar-toc__empty { padding: 10px 14px; color: var(--ar-silver); font-size: 14px; }
.ar-toc [hidden] { display: none !important; }

.ar-toc-fab, .ar-toc-scrim { display: none; }

@media (min-width: 992px) {
    .ar-docs-layout { grid-template-columns: 290px minmax(0, 1fr); align-items: start; }
    .ar-toc { position: sticky; top: 88px; max-height: calc(100vh - 108px); }
}

@media (max-width: 991.98px) {
    .ar-toc { position: fixed; left: 0; right: 0; bottom: 0; z-index: 1090; max-height: 80vh; border-radius: 16px 16px 0 0; border-bottom: 0; padding-bottom: env(safe-area-inset-bottom, 0px); transform: translateY(105%); visibility: hidden; transition: transform .22s ease, visibility 0s linear .22s; box-shadow: 0 -20px 50px rgba(0,0,0,.6); }
    .ar-toc.is-open { transform: none; visibility: visible; transition: transform .22s ease; }
    .ar-toc__close { display: inline-flex; align-items: center; justify-content: center; }
    .ar-toc-scrim { position: fixed; inset: 0; z-index: 1085; background: rgba(0,0,0,.6); }
    .ar-toc-scrim.is-open { display: block; }
    .ar-toc-fab { position: fixed; left: 14px; bottom: calc(92px + env(safe-area-inset-bottom, 0px)); translate: 0 calc(var(--ar-dock-shift, 0px) * -1); transition: translate .2s ease; z-index: 60; display: inline-flex; align-items: center; gap: 8px; max-width: calc(100vw - 96px); min-height: 48px; padding: 0 16px; border: 1px solid var(--ar-border); border-radius: 999px; background: var(--ar-crimson); color: #fff; font: inherit; font-weight: 700; font-size: 14px; cursor: pointer; box-shadow: 0 10px 30px rgba(0,0,0,.5); }
    .ar-toc-fab span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .ar-toc-fab[hidden] { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .ar-toc, .ar-toc.is-open { transition: none; }
}