/* =============================================================================
   Soft Imperio — Chrome compartido: header, mega-menú, buscador, carrito,
   footer y app-shell de paneles. Cargado por todas las páginas.
   ============================================================================= */

/* ---------------------------------------------------------------- Marca --- */
.brand-lockup { display: inline-flex; align-items: center; gap: 0.6rem; }
.brand-lockup svg { width: 2.1rem; height: 2.1rem; }
.brand-mark { position: relative; display: inline-flex; width: 2.2rem; height: 2.2rem; flex: none; }
.brand-mark__img { width: 100%; height: 100%; object-fit: contain; display: block; }
.brand-mark__img--dark { display: none; }
[data-theme="dark"] .brand-mark__img--light { display: none; }
[data-theme="dark"] .brand-mark__img--dark { display: block; }
.brand-word { font-size: 1.2rem; letter-spacing: -0.02em; color: var(--ink); line-height: 1; }
.brand-word b { font-weight: 800; }
.brand-word span { font-weight: 500; color: var(--ink-muted); }

/* --------------------------------------------------------------- Header --- */
.site-header { position: sticky; top: 0; z-index: var(--z-sticky); background: color-mix(in oklch, var(--bg) 86%, transparent); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid transparent; transition: border-color var(--t), background-color var(--t), box-shadow var(--t); }
.site-header.is-stuck { border-bottom-color: var(--border); box-shadow: var(--shadow-xs); }
.site-header__inner { display: flex; align-items: center; gap: 1.25rem; height: 4.5rem; }

.main-nav { display: flex; align-items: center; gap: 0.15rem; margin-left: 0.5rem; }
.nav-link { position: relative; display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.55rem 0.8rem; border-radius: var(--r-sm); font-size: 0.94rem; font-weight: 500; color: var(--ink-body); transition: color var(--t), background-color var(--t); }
.nav-link:hover { color: var(--ink); background: var(--surface-2); }
.nav-link[aria-current="page"] { color: var(--ink); font-weight: 600; }
.nav-link[aria-current="page"]::after { content: ""; position: absolute; left: 0.8rem; right: 0.8rem; bottom: -0.05rem; height: 2px; border-radius: 2px; background: var(--brand); }
.nav-link svg { width: 1rem; height: 1rem; transition: transform var(--t); }
.nav-link[aria-expanded="true"] svg { transform: rotate(180deg); }

.header-actions { margin-left: auto; display: flex; align-items: center; gap: 0.4rem; }
.icon-btn { display: inline-grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: var(--r-sm); color: var(--ink-body); position: relative; transition: background-color var(--t), color var(--t); }
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }
.icon-btn svg { width: 1.25rem; height: 1.25rem; }
.cart-count { position: absolute; top: 0.25rem; right: 0.25rem; min-width: 1.05rem; height: 1.05rem; padding: 0 0.25rem; border-radius: var(--r-pill); background: var(--brand-strong); color: #fff; font-size: 0.68rem; font-weight: 700; display: grid; place-items: center; line-height: 1; }
.cart-count[hidden] { display: none; }

.theme-toggle { display: inline-grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: var(--r-sm); color: var(--ink-body); transition: background-color var(--t), color var(--t); }
.theme-toggle:hover { background: var(--surface-2); color: var(--ink); }
.theme-toggle svg { width: 1.25rem; height: 1.25rem; }
.theme-toggle .moon { display: none; }
[data-theme="dark"] .theme-toggle .sun { display: none; }
[data-theme="dark"] .theme-toggle .moon { display: block; }

/* Mega-menú de categorías */
.has-mega { position: relative; }
.mega { position: absolute; top: calc(100% + 0.6rem); left: 0; width: min(640px, 86vw); padding: 1.1rem; background: var(--surface-raised); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-lg); z-index: var(--z-dropdown); display: grid; grid-template-columns: 1fr 1fr; gap: 0.35rem; opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity var(--t), transform var(--t), visibility var(--t); }
.has-mega.is-open .mega { opacity: 1; visibility: visible; transform: translateY(0); }
.mega__item { display: flex; gap: 0.8rem; padding: 0.7rem; border-radius: var(--r); transition: background-color var(--t); }
.mega__item:hover { background: var(--surface-2); }
.mega__item .icon-tile { width: 2.4rem; height: 2.4rem; }
.mega__item .icon-tile svg { width: 1.2rem; height: 1.2rem; }
.mega__item h5 { font-size: 0.92rem; margin-bottom: 0.1rem; }
.mega__item p { font-size: 0.8rem; color: var(--ink-muted); line-height: 1.4; }

/* Búsqueda expandible */
.search-pop { position: absolute; top: calc(100% + 0.6rem); right: 0; width: min(440px, 88vw); padding: 0.8rem; background: var(--surface-raised); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-lg); z-index: var(--z-dropdown); opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity var(--t), transform var(--t), visibility var(--t); }
.search-pop.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
.search-pop .quick { margin-top: 0.7rem; display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* Botón menú móvil */
.menu-toggle { display: none; }

/* Menú móvil */
.mobile-menu { position: fixed; inset: 4.5rem 0 0; background: var(--bg); z-index: var(--z-sticky); padding: 1.25rem var(--gutter) 2rem; overflow-y: auto; transform: translateX(100%); transition: transform var(--t-slow) var(--ease-out); display: flex; flex-direction: column; gap: 0.25rem; }
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu a { padding: 0.95rem 0.5rem; font-size: 1.05rem; font-weight: 600; color: var(--ink-strong); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.mobile-menu .mm-actions { margin-top: 1.25rem; display: grid; gap: 0.7rem; }

@media (max-width: 940px) {
  .main-nav, .header-actions .desktop-only { display: none; }
  .menu-toggle { display: inline-grid; }
}
@media (min-width: 941px) { .mobile-menu { display: none; } }

/* --------------------------------------------------------------- Footer --- */
.site-footer { background: var(--bg-subtle); border-top: 1px solid var(--border); padding-block: clamp(3rem, 2rem + 3vw, 4.5rem) 2rem; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: clamp(1.5rem, 1rem + 2vw, 3rem); }
.footer-brand p { margin-top: 0.9rem; color: var(--ink-muted); font-size: 0.92rem; max-width: 34ch; }
.footer-social { margin-top: 1.25rem; display: flex; gap: 0.5rem; }
.footer-social a { display: inline-grid; place-items: center; width: 2.3rem; height: 2.3rem; border-radius: var(--r-sm); border: 1px solid var(--border); color: var(--ink-muted); transition: color var(--t), border-color var(--t), transform var(--t); }
.footer-social a:hover { color: var(--brand-ink); border-color: var(--brand); transform: translateY(-2px); }
.footer-social svg { width: 1.15rem; height: 1.15rem; }
.footer-col h5 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-faint); margin-bottom: 1rem; font-weight: 700; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col a { color: var(--ink-muted); font-size: 0.93rem; transition: color var(--t); }
.footer-col a:hover { color: var(--brand-ink); }
.footer-help { margin-top: 2.5rem; display: grid; grid-template-columns: 1fr auto; gap: 1.25rem; align-items: center; padding: 1.4rem 1.6rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); }
.footer-bottom { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; color: var(--ink-faint); font-size: 0.86rem; }
.footer-bottom .links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-bottom a { color: var(--ink-muted); }
.footer-bottom a:hover { color: var(--ink); }

@media (max-width: 860px) { .footer-top { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } .footer-help { grid-template-columns: 1fr; text-align: left; } }
@media (max-width: 520px) { .footer-top { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------ App-shell --- */
.app { display: grid; grid-template-columns: 264px 1fr; min-height: 100dvh; }
.app-sidebar { background: var(--bg-subtle); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: sticky; top: 0; height: 100dvh; }
.app-sidebar__head { padding: 1.25rem 1.35rem; border-bottom: 1px solid var(--border); }
.app-nav { flex: 1; overflow-y: auto; padding: 1rem 0.8rem; display: flex; flex-direction: column; gap: 0.15rem; }
.app-nav .group-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-faint); font-weight: 700; padding: 0.9rem 0.7rem 0.4rem; }
.side-link { display: flex; align-items: center; gap: 0.75rem; padding: 0.65rem 0.7rem; border-radius: var(--r-sm); color: var(--ink-body); font-weight: 500; font-size: 0.93rem; transition: background-color var(--t), color var(--t); }
.side-link svg { width: 1.2rem; height: 1.2rem; color: var(--ink-faint); transition: color var(--t); }
.side-link:hover { background: var(--surface-2); color: var(--ink); }
.side-link.is-active { background: var(--brand-50); color: var(--brand-ink); font-weight: 600; }
.side-link.is-active svg { color: var(--brand); }
.side-link .tag { margin-left: auto; font-size: 0.72rem; font-weight: 700; background: var(--surface-2); color: var(--ink-muted); padding: 0.1rem 0.45rem; border-radius: var(--r-pill); }
.app-sidebar__foot { padding: 1rem; border-top: 1px solid var(--border); }
.user-card { display: flex; align-items: center; gap: 0.7rem; padding: 0.6rem; border-radius: var(--r); }
.user-card .meta { min-width: 0; }
.user-card .meta b { display: block; font-size: 0.9rem; color: var(--ink); }
.user-card .meta span { font-size: 0.8rem; color: var(--ink-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; }

.app-main { display: flex; flex-direction: column; min-width: 0; background: var(--bg); }
.app-topbar { position: sticky; top: 0; z-index: var(--z-sticky); display: flex; align-items: center; gap: 1rem; height: 4rem; padding: 0 clamp(1.25rem, 3vw, 2rem); background: color-mix(in oklch, var(--bg) 86%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.app-topbar h1 { font-size: 1.25rem; font-weight: 700; }
.app-content { padding: clamp(1.5rem, 1rem + 2vw, 2.5rem); flex: 1; }
.app-content--narrow { max-width: 1100px; width: 100%; margin-inline: auto; }

.app-burger { display: none; }
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .app-sidebar { position: fixed; left: 0; top: 0; width: 280px; z-index: var(--z-drawer); transform: translateX(-100%); transition: transform var(--t-slow) var(--ease-out); box-shadow: var(--shadow-lg); }
  .app-sidebar.is-open { transform: translateX(0); }
  .app-burger { display: inline-grid; }
}

/* Page-head reutilizable dentro de paneles */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.page-head h2 { font-size: clamp(1.4rem, 1.1rem + 1vw, 1.75rem); }
.page-head p { color: var(--ink-muted); margin-top: 0.25rem; font-size: 0.94rem; }

/* Tarjeta de estadística sobria (sin plantilla "número gigante + degradado") */
.stat-card { display: flex; flex-direction: column; gap: 0.35rem; padding: 1.25rem 1.35rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); }
.stat-card .k { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--ink-muted); font-size: 0.86rem; font-weight: 500; }
.stat-card .k svg { width: 1.05rem; height: 1.05rem; color: var(--brand); }
.stat-card .v { font-size: 1.7rem; font-weight: 800; color: var(--ink); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat-card .delta { font-size: 0.82rem; font-weight: 600; }
.stat-card .delta.up { color: var(--brand-ink); }
.stat-card .delta.down { color: var(--danger-ink); }

/* Líneas del carrito (drawer) */
.cart-line { display: grid; grid-template-columns: auto 1fr auto; gap: 0.85rem; align-items: start; padding: 0.95rem 0; border-bottom: 1px solid var(--border); }
.cart-line:first-child { padding-top: 0; }
.cart-line:last-child { border-bottom: none; }
.cart-line__info { min-width: 0; display: flex; flex-direction: column; gap: 0.1rem; }
.cart-line__info b { font-size: 0.92rem; color: var(--ink); }
.qty { display: inline-flex; align-items: center; gap: 0.55rem; margin-top: 0.5rem; }
.qty button { width: 1.7rem; height: 1.7rem; border: 1px solid var(--border-strong); border-radius: var(--r-xs); display: grid; place-items: center; color: var(--ink-body); transition: border-color var(--t), background-color var(--t); }
.qty button:hover { border-color: var(--ink-faint); background: var(--surface-2); }
.qty button svg { width: 0.85rem; height: 0.85rem; }
.qty span { min-width: 1.4rem; text-align: center; font-weight: 700; font-variant-numeric: tabular-nums; }
.cart-line__end { display: flex; flex-direction: column; align-items: flex-end; gap: 0.6rem; }
.cart-line__end b { font-variant-numeric: tabular-nums; }
.link-danger { color: var(--ink-faint); transition: color var(--t); }
.link-danger:hover { color: var(--danger); }
.link-danger svg { width: 1.05rem; height: 1.05rem; }

/* Empty state reutilizable */
.empty-state { text-align: center; padding: clamp(2rem, 5vw, 3.5rem) 1rem; }
.empty-state .icon-tile { margin: 0 auto 1rem; }
.empty-state h4 { margin-bottom: 0.3rem; }
.empty-state p { color: var(--ink-muted); max-width: 36ch; margin-inline: auto; }