/* ONYX UI: layout primitives and page shells */

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-main {
  flex: 1;
}

/* Centered content container (layout primitive) */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.container.narrow {
  max-width: var(--content-width);
}

/* Generic section spacing */
.section {
  padding-block: var(--space-2xl);
}

/* Layout with left navigation */
.page-shell {
  width: 100%;
  max-width: none;
  margin-inline: auto;
  padding: var(--space-lg) clamp(0.9rem, 2.2vw, 2.2rem) var(--space-2xl);
}

.layout-with-sidebar {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
}

.side-nav {
  flex: 0 0 280px;
}

.main-panel {
  flex: 1 1 auto;
  min-width: 0;
  display: grid;
  gap: var(--space-xl);
}

/* Shell system for home/category/product pages */
.layout-with-sidebar.shell-layout {
  --shell-gutter: clamp(0.9rem, 2.3vw, 2.4rem);
  --shell-rail-expanded: 280px;
  --shell-rail-active: var(--shell-rail-expanded);
  width: 100%;
  max-width: none;
  margin-inline: 0;
  padding: var(--space-lg) var(--shell-gutter) var(--space-2xl);
  display: grid;
  grid-template-columns: minmax(0, var(--shell-rail-active)) minmax(0, 1fr);
  align-items: start;
  column-gap: clamp(0.9rem, 1.8vw, 1.75rem);
  row-gap: var(--space-lg);
}

.layout-with-sidebar.shell-layout .side-nav {
  flex: none;
  width: 100%;
  max-width: var(--shell-rail-active);
  align-self: stretch;
  transition:
    max-width 190ms ease,
    transform 210ms ease;
}

.layout-with-sidebar.shell-layout .main-panel {
  min-width: 0;
  width: 100%;
}

.shell-nav-backdrop {
  position: fixed;
  inset: 0;
  border: 0;
  margin: 0;
  padding: 0;
  background: rgba(8, 15, 32, 0.42);
  z-index: 210;
  display: none;
}

.shell-layout[data-shell-state="hidden"][data-shell-drawer-open="true"]
  .shell-nav-backdrop {
  display: block;
}

body.shell-nav-open {
  overflow: hidden;
}

.shell-layout--product .product-page {
  max-width: none;
  margin: 0;
  padding: 0;
}

@media (max-width: 767px) {
  .layout-with-sidebar.shell-layout {
    grid-template-columns: minmax(0, 1fr);
    padding-inline: clamp(0.8rem, 3.8vw, 1.25rem);
    row-gap: var(--space-md);
  }

  .layout-with-sidebar.shell-layout .side-nav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 220;
    width: min(88vw, 340px);
    max-width: min(88vw, 340px);
    transform: translateX(-105%);
    padding: var(--space-sm);
  }

  .layout-with-sidebar.shell-layout[data-shell-state="hidden"][data-shell-drawer-open="true"]
    .side-nav {
    transform: translateX(0);
  }

  .layout-with-sidebar.shell-layout[data-shell-state="hidden"]
    .side-nav__inner {
    position: relative;
    top: 0;
    height: 100%;
    overflow: auto;
  }

  .layout-with-sidebar.shell-layout .main-panel {
    gap: var(--space-lg);
  }
}

@media (max-width: 720px) {
  .layout-with-sidebar {
    flex-direction: column;
  }
}