/*
 * Nekomiau — Layout
 * =================
 * Composition layer (CUBE CSS): reusable structural primitives (container,
 * stack, cluster, grid) plus the structural blocks that arrange whole page
 * regions (site-header, site-footer, hero, homepage/PLP sections).
 *
 * Mobile-first throughout: base rules target mobile, min-width media queries
 * layer up. Breakpoints used: 480 / 640 / 768 / 1024 / 1280 (see tokens.css).
 */

/* ==========================================================================
   Composition primitives
   ========================================================================== */

/* Container: centers content and caps line-length. Not currently wrapped
   around every existing view (that would mean touching several ERB files
   for no visual gain — components below apply their own max-width instead),
   but available for new sections/pages going forward. */
.container {
  width: 100%;
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container--sm { max-width: var(--container-sm); }
.container--md { max-width: var(--container-md); }
.container--xl { max-width: var(--container-xl); }

/* Page: el contenedor estándar de páginas "documento" (auth, cuenta,
   pedidos, carrito, checkout, admin): centra, limita ancho y separa el
   contenido de los bordes de la pantalla. Las páginas full-bleed (home,
   catálogo, PDP) NO lo usan: sus secciones manejan su propio fondo. */
.page {
  width: 100%;
  max-width: var(--container-md);
  margin-inline: auto;
  padding: var(--space-8) var(--space-4) var(--space-12);
}

.page--narrow { max-width: var(--container-sm); }
.page--wide { max-width: var(--container-lg); }

/* Stack: vertical rhythm. Default gap is --space-4; override with the
   --stack-space custom property or the size modifiers. */
.stack {
  display: flex;
  flex-direction: column;
  gap: var(--stack-space, var(--space-4));
}

.stack--sm { --stack-space: var(--space-2); }
.stack--lg { --stack-space: var(--space-8); }

/* Cluster: horizontal group of items that wraps gracefully (nav links,
   badges, trust-bar icons, category chips fallback without scroll). */
.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--cluster-space, var(--space-4));
}

.cluster--sm { --cluster-space: var(--space-2); }
.cluster--tight { --cluster-space: var(--space-1); }

/* Grid: responsive auto-fit card grid. .product-grid (components.css)
   already implements this pattern for its specific case; this primitive is
   for future card-like grids (e.g. category tiles) without duplicating the
   auto-fit logic. */
.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
}

/* Two-region split (e.g. content + sidebar). Stacks on mobile. */
.grid-split {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-split {
    grid-template-columns: 2fr 1fr;
  }
}

/* ==========================================================================
   Site header / footer
   ========================================================================== */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background-color: var(--bg-primary);
  border-bottom: 2px solid var(--color-negro-trazo);
}

.site-header__brand {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  font-size: var(--text-xl);
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.site-header__nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
}

.site-header__nav a {
  color: var(--text-primary);
  text-decoration: none;
}

.site-header__nav a:hover {
  color: var(--brand-primary);
}

.site-header__nav form {
  display: inline;
  margin: 0;
}

.site-header__nav button {
  background: none;
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-sm);
  padding: 0;
}

.site-header__nav button:hover {
  background: none;
  color: var(--brand-primary);
}

/* Admin header: same tokens, denser, distinguished by a solid brand-contrast
   underline instead of the public site's near-black rule. Internal tool —
   still on-brand, not marketing-polish level. */
.admin-header {
  border-bottom: 2px solid var(--brand-contrast);
  padding-block: var(--space-3);
}

.site-footer {
  padding: var(--space-6);
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  border-top: 1px solid var(--border-color);
}

/* ==========================================================================
   Hero (existing — single hero, no carousel per research)
   ========================================================================== */

.hero {
  padding: var(--space-16) var(--space-6);
  text-align: center;
  background-color: var(--bg-primary);
}

.hero__brand {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
}

.hero__tagline {
  font-family: var(--font-body);
  font-weight: var(--font-weight-light);
  font-size: var(--text-md);
  color: var(--text-secondary);
  max-width: 36rem;
  margin-inline: auto;
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-24) var(--space-8);
  }
}

/* ==========================================================================
   Homepage sections — CSS ready, markup not built yet
   Per the UX research: single scroll, 5-6 sections max (hero, trust bar,
   category tiles, subscription pitch, social proof, footer). These three
   classes have no corresponding ERB yet (only pages/home.html.erb's .hero
   exists today) — a later implementation pass adds the markup.
   ========================================================================== */

/* Trust bar: icon+text row under the hero. Reused in compact form near the
   checkout pay button (research point 4: payment trust badges). */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-6);
  background-color: var(--bg-secondary);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
}

.trust-bar--compact {
  gap: var(--space-4);
  padding: var(--space-3);
  background-color: transparent;
  font-size: var(--text-xs);
}

/* Subscription pitch: single flat color-field block (Rothko-style), max one
   accent color per the brand's "max 3 colors per composition" rule. */
.subscription-pitch {
  padding: var(--space-16) var(--space-6);
  background-color: var(--brand-contrast);
  color: var(--text-on-brand);
  text-align: center;
}

.subscription-pitch h2 {
  color: var(--text-on-brand);
}

.subscription-pitch p {
  color: var(--text-on-brand);
  opacity: 0.9;
}

/* ==========================================================================
   PLP category chips — CSS ready, markup not built yet
   Horizontal-scroll chip row on mobile (Húmeda/Cruda/Snacks/Suplementos),
   wraps to a normal cluster from tablet up. No corresponding ERB in
   products/index.html.erb yet.
   ========================================================================== */

.category-chips {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-6) var(--space-4);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.category-chips::-webkit-scrollbar {
  display: none;
}

.category-chips__chip {
  flex: 0 0 auto;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color-strong);
  background-color: var(--surface-raised);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--duration-fast) var(--ease-standard),
              color var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard);
}

.category-chips__chip:hover {
  border-color: var(--brand-primary);
}

.category-chips__chip.is-active,
.category-chips__chip[aria-current="true"] {
  background-color: var(--brand-primary);
  border-color: var(--brand-primary);
  color: var(--text-on-brand);
}

@media (min-width: 768px) {
  .category-chips {
    flex-wrap: wrap;
    overflow-x: visible;
    justify-content: center;
  }
}

/* ==========================================================================
   Checkout summary (existing markup in checkouts/show.html.erb)
   ========================================================================== */

.checkout-summary {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
}

.checkout-summary__total {
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-lg);
  border-top: 1px solid var(--border-color-strong);
  padding-top: var(--space-3);
  margin-top: var(--space-3);
}

/* ==========================================================================
   Admin dashboard sections (existing markup in admin/dashboard/show.html.erb)
   ========================================================================== */

.admin-dashboard__orders,
.admin-dashboard__low-stock,
.admin-dashboard__subscriptions,
.admin-order__transitions,
.admin-order__customer,
.admin-order__address,
.admin-order__items,
.admin-order__ledger,
.admin-stock__adjust,
.admin-stock__ledger,
.account__subscriptions,
.account__orders {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.admin-dashboard__counts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-4);
  font-size: var(--text-sm);
}

.admin-dashboard__counts li {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-3);
}