/*
 * shell/navMenu.css — menú lateral con nombre y subniveles (estándar UI 1.8, §8.12; lo arma shell/navMenu.js).
 * 4-nov: a partir de docs/standard/examples/NavMenu/, con los tokens del kit (vendor/style-kit/css/tokens.css).
 * 248 px abierto, 64 px contraído; el contenido (#view-root) y Ajustes (#settings-overlay) se corren, no quedan tapados.
 * Debajo de 720 px es un cajón que se abre con ☰ (#sn-hamb en el encabezado).
 */
:root { --sn-w: 248px; --sn-w-c: 64px; --sn-cur: var(--sn-w); }
body.nav-collapsed { --sn-cur: var(--sn-w-c); }

/* el contenido y Ajustes dejan lugar al menú (pisa los 56 px de la barra del kit, chrome.css) */
#view-root, body.rail-side-right #view-root { margin-left: var(--sn-cur); margin-right: 0; transition: margin .18s ease; }
#settings-overlay, body.rail-side-right #settings-overlay { left: var(--sn-cur); right: 0; }
/* "Lado de la barra" de Ajustes > Apariencia (kit) no aplica: el menú va siempre a la izquierda */
.settings-card:has([data-role="side-tiles"]) { display: none; }

.sn {
  position: fixed; top: 0; left: 0; bottom: var(--logs-footer-height, 28px); z-index: 56;
  width: var(--sn-w);
  display: flex; flex-direction: column;
  background: var(--chrome-bg-raised);
  border-right: 1px solid var(--chrome-border);
  font-family: var(--chrome-font-sans);
  transition: width .18s ease, transform .2s ease;
}
.sn.collapsed { width: var(--sn-w-c); }
.sn ul { list-style: none; margin: 0; padding: 0; }

.sn-head { display: flex; align-items: center; gap: 10px; height: 56px; padding: 0 16px; flex: none; }
.sn-logo {
  flex: none; width: 32px; height: 32px; border-radius: var(--chrome-radius-md);
  display: grid; place-items: center;
  background: var(--chrome-accent-bg); color: var(--chrome-accent); border: 1px solid var(--chrome-accent-border);
  font-weight: 700;
}
.sn-app { font-weight: 700; font-size: 14px; color: var(--chrome-fg); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.sn-search {
  flex: none; display: flex; align-items: center; gap: 8px;
  height: 36px; margin: 0 12px 8px; padding: 0 10px;
  border-radius: var(--chrome-radius-md);
  background: var(--chrome-hover-bg); border: 1px solid var(--chrome-border);
  color: var(--chrome-fg-muted);
}
.sn-search:focus-within { border-color: var(--chrome-accent-border); }
.sn-search .ic { flex: none; width: 16px; height: 16px; }
.sn-search input {
  flex: 1; min-width: 0; border: 0; outline: 0; background: none; padding: 0;
  color: var(--chrome-fg); font: inherit; font-size: 13px;
}
.sn-search input::placeholder { color: var(--chrome-fg-dim); }
.sn-search kbd {
  font-family: var(--chrome-font-mono); font-size: 11px; color: var(--chrome-fg-dim);
  border: 1px solid var(--chrome-border-strong); border-radius: 4px; padding: 0 5px;
}

.sn-body {
  flex: 1; overflow-y: auto; overflow-x: hidden; padding: 4px 12px 12px;
  scrollbar-width: thin; scrollbar-color: var(--chrome-border-strong) transparent;
}
.sn-group + .sn-group { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--chrome-border); }
.sn-group-title {
  padding: 8px 10px 6px;
  font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--chrome-fg-dim);
}
.sn-empty { padding: 12px 10px; color: var(--chrome-fg-dim); font-size: 13px; }

.sn-link {
  position: relative; display: flex; align-items: center; gap: 12px;
  width: 100%; height: 38px; padding: 0 10px; margin: 1px 0;
  border: 1px solid transparent; border-radius: var(--chrome-radius-md);
  background: none; color: var(--chrome-fg-muted);
  font: inherit; font-size: 14px; text-align: left; text-decoration: none; cursor: pointer;
}
.sn-link .ic { flex: none; width: 20px; height: 20px; }
.sn-link:hover { background: var(--chrome-hover-bg); color: var(--chrome-fg); text-decoration: none; }
.sn-link:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.sn-text { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sn-chev { flex: none; width: 16px; height: 16px; color: var(--chrome-fg-dim); transition: transform .15s; }
.sn-parent.open > .sn-link .sn-chev { transform: rotate(90deg); }

/* activo: color de la página, fondo suave y barrita a la izquierda (como la barra de íconos) */
.sn-link[aria-current="page"],
.sn.collapsed .sn-parent.has-active > .sn-link {
  color: var(--acc, var(--chrome-accent)); font-weight: 600;
  background: color-mix(in srgb, var(--acc, var(--chrome-accent)) 14%, transparent);
  border-color: color-mix(in srgb, var(--acc, var(--chrome-accent)) 35%, transparent);
}
.sn-link[aria-current="page"]::before,
.sn.collapsed .sn-parent.has-active > .sn-link::before {
  content: ""; position: absolute; left: -12px; top: 8px; bottom: 8px; width: 3px;
  border-radius: 0 3px 3px 0; background: var(--acc, var(--chrome-accent));
}
.sn-parent.has-active > .sn-link { color: var(--chrome-fg); }

/* segundo nivel: sangría con línea guía */
.sn-sub { margin: 2px 0 4px 20px !important; padding-left: 12px !important; border-left: 1px solid var(--chrome-border-strong); }
.sn-child { height: 32px; font-size: 13px; }
.sn-sub .sn-child[aria-current="page"]::before { left: -14px; }

.sn-badge {
  flex: none; min-width: 20px; height: 20px; padding: 0 6px; border-radius: var(--chrome-radius-pill);
  display: grid; place-items: center; font-size: 12px; font-weight: 700;
  background: color-mix(in srgb, var(--color-danger) 18%, transparent); color: var(--color-danger);
}
.sn-dot { display: none; }

.sn-foot { flex: none; padding: 8px 12px 12px; border-top: 1px solid var(--chrome-border); }
#sn-toggle .ic { transition: transform .18s; }
/* punto de autenticación (shell/shell.js lo pone en .sn-foot-slot) */
.sn-foot-slot > button { gap: 12px; }
.sn-foot-slot .rail-auth-dot { flex: none; margin: 0 5px; }

/* contraído: solo íconos */
.sn.collapsed .sn-app, .sn.collapsed .sn-text, .sn.collapsed .sn-chev, .sn.collapsed .sn-badge,
.sn.collapsed .sn-group-title, .sn.collapsed .sn-search input, .sn.collapsed .sn-search kbd,
.sn.collapsed .sn-sub { display: none !important; }
.sn.collapsed .sn-head { justify-content: center; padding: 0; }
.sn.collapsed .sn-search { width: 40px; margin: 0 auto 8px; padding: 0; justify-content: center; cursor: pointer; }
.sn.collapsed .sn-link { width: 40px; margin: 2px auto; padding: 0; justify-content: center; }
.sn.collapsed .sn-body { padding: 4px 0 12px; }
.sn.collapsed .sn-foot { padding: 8px 0 12px; }
.sn.collapsed .sn-link[aria-current="page"]::before,
.sn.collapsed .sn-parent.has-active > .sn-link::before { left: -12px; }
.sn.collapsed .sn-dot {
  display: block; position: absolute; top: 6px; right: 6px; width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-danger); box-shadow: 0 0 0 2px var(--chrome-bg-raised);
}
.sn.collapsed #sn-toggle .ic { transform: rotate(180deg); }

/* nombre flotante (contraído) y panel con las vistas de un padre */
.sn-tip {
  position: fixed; z-index: 70; transform: translateY(-50%); pointer-events: none; white-space: nowrap;
  padding: 5px 9px; border-radius: var(--chrome-radius-sm);
  background: var(--chrome-fg); color: var(--chrome-bg-raised); font-size: 12px; font-weight: 600;
}
.sn-fly {
  position: fixed; z-index: 70; min-width: 220px; padding: 6px;
  background: var(--chrome-bg-raised); border: 1px solid var(--chrome-border-strong);
  border-radius: var(--chrome-radius-lg); box-shadow: 0 12px 32px rgba(0, 0, 0, .3);
  font-family: var(--chrome-font-sans);
}
.sn-fly ul { list-style: none; margin: 0; padding: 0; }
.sn-fly-title {
  padding: 6px 10px; font-size: 12px; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--chrome-fg-dim);
}
.sn-fly .sn-link[aria-current="page"]::before { left: -6px; }

/* encabezado: ☰ (solo en el celular) y título "Página › Vista" */
.sn-hamb {
  display: none; align-items: center; justify-content: center; flex: none;
  width: 36px; height: 36px; margin-right: 8px; padding: 0;
  border-radius: var(--chrome-radius-md); border: 1px solid var(--chrome-border-strong);
  background: none; color: var(--chrome-fg-muted); cursor: pointer;
}
.sn-hamb:hover { color: var(--chrome-fg); background: var(--chrome-hover-bg); }
.sn-hamb:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.sn-hamb .ic { width: 20px; height: 20px; }
header.top .sn-hamb { align-self: center; }
header.top h1.page-title { margin-right: auto; }   /* con ☰ a la izquierda, el título no queda centrado */
.pt-parent { color: var(--chrome-fg-muted); font-weight: 600; }
.pt-sep { color: var(--chrome-fg-dim); margin: 0 8px; font-weight: 400; }

/* vistas de una página (UI-25): solo se ve la elegida; el título de la vista ya está en el encabezado */
.pv[hidden] { display: none !important; }
.pv > :first-child { margin-top: 0 !important; }

.sn-backdrop { display: none; }

/* celular: el menú es un cajón, siempre con nombres */
@media (max-width: 720px) {
  .sn, .sn.collapsed { width: var(--sn-w); transform: translateX(-100%); box-shadow: 0 0 40px rgba(0, 0, 0, .35); }
  body.nav-open .sn { transform: none; }
  body.nav-open .sn-backdrop { display: block; position: fixed; inset: 0; z-index: 55; background: rgba(0, 0, 0, .45); }
  #view-root, body.nav-collapsed #view-root, body.rail-side-right #view-root { margin-left: 0; }
  #settings-overlay, body.nav-collapsed #settings-overlay { left: 0; }
  .sn-hamb { display: inline-flex; }
  #sn-toggle { display: none; }
  .pt-parent, .pt-sep { display: none; }   /* en el celular, solo el nombre de la vista (UI-7) */
}
@media (prefers-reduced-motion: reduce) {
  .sn, #view-root, .sn-chev, #sn-toggle .ic { transition: none !important; }
}