/* ============================================================
   SUKOON — Navigation: navbar, mega menu, mobile bottom nav,
   sidebar, breadcrumb, pagination, footer
   Source of truth: DESIGN-sentry.md
   ============================================================ */

/* ============ TOP NAV ============ */
.sk-nav {
  padding: var(--sk-space-lg) var(--sk-space-xl); /* 16px 24px */
  position: sticky;
  top: 0;
  z-index: 60;
  box-shadow: var(--sk-shadow-2);
}
/* Scroll-progress glow bar — pinned to the top edge of the sticky nav */
.sk-scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  pointer-events: none;
  z-index: 1;
}
.sk-scroll-progress-bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(var(--sk-scroll, 0));
  transform-origin: left center;
  background: linear-gradient(90deg, var(--sk-accent-violet), var(--sk-accent-pink));
  box-shadow: 0 0 8px 1px var(--sk-accent-pink), 0 0 4px 0 var(--sk-accent-violet);
  transition: transform 80ms linear;
  will-change: transform;
}
@media (prefers-reduced-motion: reduce) {
  .sk-scroll-progress-bar { transition: none; }
}
.sk-nav-inner {
  max-width: var(--sk-container-max);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: var(--sk-space-xl);
}
.sk-nav-light { background: var(--sk-surface-canvas-light); color: var(--sk-ink-deep); border-bottom: 1px solid var(--sk-hairline-cloud); }
.sk-nav-dark  { background: var(--sk-surface-canvas-dark); color: var(--sk-on-primary); border-bottom: 1px solid var(--sk-hairline-violet); }

.sk-nav-brand {
  display: inline-flex; align-items: center; gap: var(--sk-space-sm);
  font-family: var(--sk-font-display);
  font-size: 24px; font-weight: 700;
  color: inherit; text-decoration: none;
}
.sk-nav-brand .bi { color: var(--sk-accent-pink); }
/* wordmark logo image (replaces icon + text) */
.sk-brand-logo { height: 50px; width: auto; display: block; }
/* logo art is dark purple on transparent — render as white on the dark navbar / sidebar */
.sk-nav-dark .sk-brand-logo,
.sk-sidebar .sk-brand-logo { filter: brightness(0) invert(1); }

.sk-nav-menu { display: flex; align-items: center; gap: var(--sk-space-xs); list-style: none; margin: 0 auto 0 0; padding: 0; }
.sk-nav-item > a, .sk-nav-item > button {
  display: inline-flex; align-items: center; gap: var(--sk-space-xs);
  font: inherit; font-size: 16px; font-weight: 500; line-height: 1.5;
  color: inherit; text-decoration: none;
  background: none; border: 0; cursor: pointer;
  padding: var(--sk-space-sm) var(--sk-space-md);
  border-radius: var(--sk-rounded-md);
  transition: background-color var(--sk-motion-micro);
}
.sk-nav-light .sk-nav-item > a:hover, .sk-nav-light .sk-nav-item > button:hover { background: var(--sk-surface-press-light); }
.sk-nav-dark .sk-nav-item > a:hover, .sk-nav-dark .sk-nav-item > button:hover { background: var(--sk-on-dark-faint); }
.sk-nav-item > button .bi-chevron-down { font-size: 12px; transition: transform var(--sk-motion-micro); }
.sk-nav-item.is-open > button .bi-chevron-down { transform: rotate(180deg); }

.sk-nav-actions { display: flex; align-items: center; gap: var(--sk-space-md); }

/* cart item-count badge (api-client.js toggles [hidden] from cart count) */
.sk-nav-actions [data-drawer-open="cart-drawer"] { position: relative; }
.sk-cart-count {
  position: absolute; top: 0; right: 0; transform: translate(35%, -35%);
  min-width: 17px; height: 17px; padding: 0 4px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px;
  background: var(--sk-accent-lime); color: var(--sk-accent-violet-deep);
  font-size: 11px; font-weight: 700; line-height: 1; pointer-events: none;
}

/* hamburger (shown < 768px) */
.sk-nav-toggle { display: none; }

/* ============ MEGA MENU ============ */
.sk-mega {
  position: absolute;
  left: 0; right: 0; top: 100%;
  background: var(--sk-surface-canvas-light);
  color: var(--sk-ink-deep);
  border-bottom: 1px solid var(--sk-hairline-cloud);
  box-shadow: var(--sk-shadow-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--sk-motion-overlay), transform var(--sk-motion-overlay), visibility var(--sk-motion-overlay);
}
.sk-nav-dark .sk-mega { background: var(--sk-surface-night); color: var(--sk-on-primary); border-bottom-color: var(--sk-hairline-violet); box-shadow: none; }
.sk-nav-item.is-open .sk-mega { opacity: 1; visibility: visible; transform: translateY(0); }
.sk-mega-inner {
  max-width: var(--sk-container-max);
  margin-inline: auto;
  padding: var(--sk-space-xxl) var(--sk-space-xl);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sk-space-xxl);
}
.sk-mega-group h3 { font-size: 15px; font-weight: 500; letter-spacing: 0.2px; text-transform: uppercase; margin: 0 0 var(--sk-space-md); }
.sk-nav-dark .sk-mega-group h3 { color: var(--sk-on-dark-muted); }
.sk-mega-group ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--sk-space-xs); }
.sk-mega-group a {
  display: flex; align-items: center; gap: var(--sk-space-sm);
  color: inherit; text-decoration: none;
  font-size: 16px; font-weight: 500; line-height: 1.5;
  padding: var(--sk-space-sm) var(--sk-space-md);
  border-radius: var(--sk-rounded-md);
}
.sk-mega-group a:hover { background: var(--sk-surface-press-light); }
.sk-nav-dark .sk-mega-group a:hover { background: var(--sk-on-dark-faint); }
.sk-mega-group a .bi { color: var(--sk-accent-violet-mid); font-size: 20px; }

/* ============ MOBILE NAV DRAWER (<768px) ============ */
@media (max-width: 767px) {
  .sk-nav-inner { gap: var(--sk-space-sm); }
  .sk-nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px;
    background: none; border: 0; color: inherit; font-size: 24px; cursor: pointer;
    border-radius: var(--sk-rounded-md);
    order: 1; /* sits after the action icons, at the far right */
  }
  .sk-nav-menu {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--sk-space-sm) var(--sk-space-lg) var(--sk-space-lg);
  }
  .sk-nav-light .sk-nav-menu { background: var(--sk-surface-canvas-light); border-bottom: 1px solid var(--sk-hairline-cloud); box-shadow: var(--sk-shadow-2); }
  .sk-nav-dark .sk-nav-menu { background: var(--sk-surface-canvas-dark); border-bottom: 1px solid var(--sk-hairline-violet); }
  .sk-nav.is-open .sk-nav-menu { display: flex; }
  .sk-nav-item > a, .sk-nav-item > button { width: 100%; justify-content: space-between; min-height: 44px; }
  .sk-mega { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; display: none; }
  .sk-nav-item.is-open .sk-mega { display: block; }
  .sk-mega-inner { grid-template-columns: 1fr; padding: 0 0 var(--sk-space-md) var(--sk-space-md); gap: var(--sk-space-lg); }
  /* icon actions (search, cart) stay visible; text CTAs collapse into the
     open menu via the .sk-nav-menu-actions li */
  .sk-nav-actions { margin-left: auto; gap: var(--sk-space-xs); }
  .sk-nav-actions .sk-btn:not(.sk-btn-icon) { display: none; }
  /* account icon duplicates the bottom-nav Account tab — drop it to fit 320px */
  .sk-nav-actions a[aria-label="My account"] { display: none; }
  .sk-brand-logo { height: 36px; }
  .sk-nav-menu-actions { display: flex; flex-direction: column; gap: var(--sk-space-sm); padding-top: var(--sk-space-md); }
  .sk-nav-menu-actions .sk-btn { width: 100%; }
}
@media (min-width: 768px) {
  .sk-nav-menu-actions { display: none; }
}

/* ============ MOBILE BOTTOM NAV ============ */
.sk-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 70;
  background: var(--sk-surface-canvas-light);
  border-top: 1px solid var(--sk-hairline-cloud);
  padding: var(--sk-space-xs) var(--sk-space-sm);
  padding-bottom: calc(var(--sk-space-xs) + env(safe-area-inset-bottom, 0px));
}
.sk-bottom-nav ul { display: flex; list-style: none; margin: 0; padding: 0; }
.sk-bottom-nav li { flex: 1; }
.sk-bottom-nav a {
  display: flex; flex-direction: column; align-items: center; gap: var(--sk-space-xxs);
  min-height: 48px; justify-content: center;
  color: var(--sk-accent-violet-mid); text-decoration: none;
  font-size: 10px; font-weight: 600; letter-spacing: 0.25px; text-transform: uppercase; line-height: 1.8;
  border-radius: var(--sk-rounded-md);
}
.sk-bottom-nav a .bi { font-size: 20px; }
/* active tab: shape + tint cue, not color alone (WCAG 1.4.1) */
.sk-bottom-nav a.is-active, .sk-bottom-nav a[aria-current="page"] {
  color: var(--sk-ink-deep);
  background: var(--sk-status-info-tint);
}
@media (max-width: 767px) { .sk-bottom-nav { display: block; } body.sk-has-bottom-nav { padding-bottom: 64px; } }

/* ============ SIDEBAR (dashboard / admin) ============ */
.sk-sidebar {
  background: var(--sk-surface-night);
  color: var(--sk-on-primary);
  width: 264px;
  min-height: 100vh;
  padding: var(--sk-space-xl) var(--sk-space-lg);
  display: flex; flex-direction: column; gap: var(--sk-space-xl);
}
.sk-sidebar nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--sk-space-xxs); }
.sk-sidebar nav a {
  display: flex; align-items: center; gap: var(--sk-space-md);
  color: var(--sk-on-dark-muted); text-decoration: none;
  font-size: 16px; font-weight: 500; line-height: 1.5;
  padding: var(--sk-space-sm) var(--sk-space-md);
  min-height: 44px;
  border-radius: var(--sk-rounded-md);
  transition: background-color var(--sk-motion-micro), color var(--sk-motion-micro);
}
.sk-sidebar nav a:hover { background: var(--sk-on-dark-faint); color: var(--sk-on-primary); }
.sk-sidebar nav a.is-active, .sk-sidebar nav a[aria-current="page"] { background: var(--sk-accent-violet-deep); color: var(--sk-on-primary); }
.sk-sidebar .sk-sidebar-group { font-size: 10px; font-weight: 600; letter-spacing: 0.25px; text-transform: uppercase; color: var(--sk-on-dark-muted); margin: var(--sk-space-lg) var(--sk-space-md) var(--sk-space-xs); }

/* ============ BREADCRUMB ============ */
.sk-breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sk-space-sm); list-style: none; margin: 0; padding: 0; font-size: 14px; line-height: 1.43; }
.sk-breadcrumb a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.sk-breadcrumb li + li::before { content: "/"; margin-right: var(--sk-space-sm); color: var(--sk-hairline-cool); }
.sk-breadcrumb [aria-current="page"] { color: var(--sk-accent-violet-mid); text-decoration: none; }

/* ============ PAGINATION ============ */
.sk-pagination { display: flex; align-items: center; gap: var(--sk-space-xs); list-style: none; margin: 0; padding: 0; }
.sk-pagination a, .sk-pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 44px; min-height: 44px;
  padding: 0 var(--sk-space-sm);
  border-radius: var(--sk-rounded-md);
  border: 1px solid var(--sk-hairline-cloud);
  color: inherit; text-decoration: none;
  font-size: 14px; font-weight: 700; letter-spacing: 0.2px;
  transition: background-color var(--sk-motion-micro);
}
.sk-pagination a:hover { background: var(--sk-surface-press-light); }
.sk-pagination [aria-current="page"] { background: var(--sk-primary); color: var(--sk-on-primary); border-color: var(--sk-primary); }
.sk-pagination .is-disabled { color: var(--sk-hairline-cool); pointer-events: none; }

/* ============ TABS ============ */
.sk-tabs { border-bottom: 1px solid var(--sk-hairline-cloud); display: flex; gap: var(--sk-space-xs); }
.sk-tabs [role="tab"] {
  font: inherit; font-size: 14px; font-weight: 700; letter-spacing: 0.2px; text-transform: uppercase;
  background: none; border: 0; cursor: pointer; color: inherit;
  padding: var(--sk-space-md) var(--sk-space-lg);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.sk-tabs [role="tab"]:hover { background: var(--sk-surface-press-light); }
.sk-tabs [role="tab"][aria-selected="true"] { border-bottom-color: var(--sk-primary); }
.sk-tabpanel { padding-block: var(--sk-space-xl); }
.sk-tabpanel[hidden] { display: none; }

/* ============ FOOTER ============ */
.sk-footer {
  background: var(--sk-surface-canvas-light);
  color: var(--sk-ink-deep);
  font-size: 14px; font-weight: 400; line-height: 1.43;
  padding: var(--sk-space-xxl) var(--sk-space-xl);
}
.sk-footer-inner { max-width: var(--sk-container-max); margin-inline: auto; }
.sk-footer-cols {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--sk-space-xxl);
  padding-block: var(--sk-space-xl);
}
.sk-footer-cols h3 { font-size: 15px; font-weight: 500; letter-spacing: 0.2px; text-transform: uppercase; margin: 0 0 var(--sk-space-md); }
.sk-footer-cols ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--sk-space-sm); }
.sk-footer-cols a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.sk-footer-legal {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--sk-space-lg);
  border-top: 1px solid var(--sk-hairline-cloud);
  padding-top: var(--sk-space-xl);
}
.sk-footer-social { display: flex; gap: var(--sk-space-sm); }
.sk-footer-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--sk-rounded-full);
  border: 1px solid var(--sk-hairline-cloud);
  color: inherit; font-size: 18px;
  transition: background-color var(--sk-motion-micro);
}
.sk-footer-social a:hover { background: var(--sk-surface-press-light); }
@media (max-width: 991px) { .sk-footer-cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 575px) { .sk-footer-cols { grid-template-columns: 1fr; } }