/**
 * PharmEtrade — Navbar Styles
 */

/* ── Navbar ────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  height: var(--nav-height);
  background: transparent;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.is-scrolled {
  background: rgba(9, 9, 80, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.22), 0 1px 0 rgba(255,255,255,0.06);
}

/* Non-hero pages: always solid */
.navbar--solid {
  background: var(--color-navy-dark) !important;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 2px 12px rgba(0,0,0,0.15);
}

/* ── Inner ─────────────────────────────────────────── */
.navbar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

/* ── Logo ──────────────────────────────────────────── */
.navbar__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  line-height: 1;
}

/* SVG logo sizing in navbar */
.navbar__logo .pharmetrade-logo {
  height: 30px;
  width: auto;
  display: block;
  overflow: visible;
}

/* ── Desktop Nav Links ─────────────────────────────── */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex: 1;
}

.nav-link {
  font-size: 14px;
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.8);
  padding: 6px 4px;
  position: relative;
  transition: color var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  background: none;
  border: none;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-green);
  transition: width var(--transition-base);
  border-radius: 1px;
}

.nav-link:hover { color: #fff; }
.nav-link:hover::after { width: 100%; }
.nav-link.is-active { color: #fff; }
.nav-link.is-active::after { width: 100%; }

/* ── Dropdown ──────────────────────────────────────── */
.nav-dropdown {
  position: relative;
}

.nav-dropdown__arrow {
  font-size: 10px;
  transition: transform var(--transition-base);
  display: inline-block;
}

.nav-dropdown:hover .nav-dropdown__arrow,
.nav-dropdown:focus-within .nav-dropdown__arrow {
  transform: rotate(180deg);
}

.nav-dropdown__panel {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  min-width: 280px;
  padding: var(--space-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
  border: 1px solid var(--color-border-light);
}

.nav-dropdown:hover .nav-dropdown__panel,
.nav-dropdown:focus-within .nav-dropdown__panel {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: background var(--transition-fast);
}

.nav-dropdown__item:hover { background: var(--color-bg-canvas); }

.nav-dropdown__item-icon {
  width: 36px;
  height: 36px;
  background: var(--color-green-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.nav-dropdown__item-text strong {
  display: block;
  font-size: 14px;
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.nav-dropdown__item-text span {
  font-size: 12px;
  color: var(--color-text-secondary);
}

/* ── Nav Actions ───────────────────────────────────── */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto;
  flex-shrink: 0;
}

.nav-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.75);
  font-size: 18px;
  transition: background var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
  background: none;
  border: none;
  position: relative;
  flex-shrink: 0;
}

.nav-icon-btn:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.nav-icon-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.cart-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 16px;
  height: 16px;
  background: var(--color-green);
  border-radius: var(--radius-pill);
  font-size: 9px;
  font-weight: var(--weight-semibold);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
}

.nav-signin {
  font-size: 14px;
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.8);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
}

.nav-signin:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

/* ── Hamburger ─────────────────────────────────────── */
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  margin-left: auto;
  padding: 4px;
  flex-shrink: 0;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,0.85);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
  transform-origin: center;
}

.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Menu ───────────────────────────────────── */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-navy);
  z-index: calc(var(--z-navbar) - 1);
  flex-direction: column;
  padding: 88px var(--space-lg) var(--space-lg);
  overflow-y: auto;
  display: none;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-menu.is-open {
  display: flex;
  pointer-events: all;
  opacity: 1;
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  font-size: 28px;
  font-family: var(--font-display);
  font-weight: var(--weight-regular);
  color: rgba(255,255,255,0.75);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  text-decoration: none;
  display: block;
}

.mobile-nav-link:hover {
  color: #fff;
  padding-left: 8px;
}

.mobile-menu__footer {
  margin-top: auto;
  padding-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* ── Responsive ────────────────────────────────────── */
@media (max-width: 900px) {
  .navbar__links { display: none; }
  .navbar__actions .nav-signin,
  .navbar__actions .btn,
  .navbar__actions .nav-icon-btn { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 480px) {
  .navbar__inner { gap: var(--space-md); }
}