/**
 * @file navigation.css
 * Primary navigation bar (dark masala brown bg),
 * offcanvas drawer for mobile.
 */

/* ── Desktop Nav Bar ─────────────────────────────────────────────────────── */
.mp-primary-nav {
  background: var(--mp-bg-nav);
  border-bottom: 2px solid var(--mp-primary);
}

.mp-primary-nav__inner {
  display: flex;
  align-items: center;
  height: var(--mp-nav-height);
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.mp-primary-nav__inner::-webkit-scrollbar { display: none; }

/* Nav items */
.mp-primary-nav__menu {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  height: 100%;
}

.mp-primary-nav__item {
  height: 100%;
  display: flex;
  align-items: stretch;
  position: relative;
}

.mp-primary-nav__link {
  display: flex;
  align-items: center;
  padding: 0 var(--mp-space-4);
  color: var(--mp-text-inverse);
  text-decoration: none;
  font-size: var(--mp-text-sm);
  font-weight: 600;
  white-space: nowrap;
  letter-spacing: var(--mp-tracking-wide);
  border-bottom: 3px solid transparent;
  transition: all var(--mp-transition-fast);
  position: relative;
}

.mp-primary-nav__link:hover {
  color: var(--mp-accent);
  background: rgba(255, 255, 255, 0.06);
  border-bottom-color: var(--mp-accent);
  text-decoration: none;
}

.mp-primary-nav__link.is-active,
.mp-primary-nav__link--active-trail {
  color: var(--mp-accent);
  border-bottom-color: var(--mp-primary-light);
  background: rgba(232, 160, 32, 0.1);
}

/* ── Mobile: Offcanvas Drawer ────────────────────────────────────────────── */
.mp-offcanvas-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: min(320px, 85vw);
  height: 100vh;
  background: var(--mp-bg-nav);
  z-index: var(--mp-z-modal);
  transform: translateX(-100%);
  transition: transform var(--mp-transition);
  overflow-y: auto;
  padding: var(--mp-space-6);
  display: flex;
  flex-direction: column;
  gap: var(--mp-space-6);
}

.mp-offcanvas-nav.is-open {
  transform: translateX(0);
  box-shadow: var(--mp-shadow-xl);
}

.mp-offcanvas-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--mp-z-modal) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--mp-transition);
  backdrop-filter: blur(2px);
}

.mp-offcanvas-overlay.is-visible {
  opacity: 1;
  pointer-events: all;
}

/* Offcanvas close button */
.mp-offcanvas-close {
  align-self: flex-end;
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--mp-radius);
  padding: var(--mp-space-2);
  color: var(--mp-text-inverse);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--mp-transition-fast);
}

.mp-offcanvas-close:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.4);
}

/* Offcanvas menu list */
.mp-offcanvas-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--mp-space-1);
}

.mp-offcanvas-menu a {
  display: block;
  padding: var(--mp-space-3) var(--mp-space-4);
  color: var(--mp-text-inverse);
  text-decoration: none;
  font-size: var(--mp-text-base);
  font-weight: 600;
  border-radius: var(--mp-radius);
  border-left: 3px solid transparent;
  transition: all var(--mp-transition-fast);
}

.mp-offcanvas-menu a:hover,
.mp-offcanvas-menu a.is-active {
  background: rgba(255,255,255,0.08);
  border-left-color: var(--mp-accent);
  color: var(--mp-accent);
}

/* Hide desktop nav on mobile; show offcanvas toggle */
@media (max-width: 991.98px) {
  .mp-primary-nav__menu {
    display: none;
  }
}

/* ── Breadcrumb ───────────────────────────────────────────────────────────── */
.mp-breadcrumb {
  font-size: var(--mp-text-sm);
  color: var(--mp-text-muted);
}

.mp-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--mp-space-1);
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.mp-breadcrumb li + li::before {
  content: '›';
  color: var(--mp-border);
  margin-right: var(--mp-space-1);
  font-size: 1.1em;
}

.mp-breadcrumb a {
  color: var(--mp-text-muted);
  font-weight: 500;
}

.mp-breadcrumb a:hover {
  color: var(--mp-primary);
}