/* Consumer Coach - Navigation Components - 2026 */

/* ===========================================
   HEADER BASE
   =========================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: var(--color-surface);
  transition: all var(--duration-300) var(--ease-out);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header.scrolled .top-bar {
  height: 0;
  overflow: hidden;
  padding: 0;
}

/* Glass Effect on Scroll */
.header.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
}

/* ===========================================
   TOP BAR
   =========================================== */

.top-bar {
  background: var(--dark);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  transition: all var(--duration-300) var(--ease-out);
}

.top-bar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) 0;
}

.top-bar-left,
.top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.top-bar-left span,
.top-bar-right a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-inverse);
  opacity: 0.9;
  transition: opacity var(--duration-150);
}

.top-bar-left span:hover,
.top-bar-right a:hover {
  opacity: 1;
}

.top-bar-right .btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

@media (max-width: 768px) {
  .top-bar-left span:not(:first-child) {
    display: none;
  }

  .top-bar-right .btn-sm {
    display: none;
  }
}

/* ===========================================
   NAVIGATION
   =========================================== */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--dark);
}

.logo-text span {
  color: var(--primary);
}

/* ===========================================
   NAV MENU
   =========================================== */

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius);
  transition: all var(--duration-150) var(--ease-out);
}

.nav-link:hover {
  color: var(--primary);
  background: var(--color-primary-50);
}

.nav-link.active {
  color: var(--primary);
  background: var(--color-primary-50);
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  cursor: pointer;
}

.dropdown-toggle i {
  font-size: 0.6rem;
  transition: transform var(--duration-150);
}

.dropdown:hover .dropdown-toggle i {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--duration-200) var(--ease-out);
  border: 1px solid var(--border-color-light);
  list-style: none;
  margin: 0;
  z-index: var(--z-dropdown);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-sm);
  border-radius: var(--radius);
  transition: all var(--duration-150);
}

.dropdown-menu a:hover {
  background: var(--color-primary-50);
  color: var(--primary);
}

/* ===========================================
   NAV CTA
   =========================================== */

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ===========================================
   HAMBURGER MENU
   =========================================== */

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: var(--z-fixed);
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--duration-200) var(--ease-out);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===========================================
   MOBILE NAVIGATION
   =========================================== */

@media (max-width: 1024px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-20) var(--space-6) var(--space-6);
    gap: var(--space-1);
    transition: right var(--duration-300) var(--ease-out);
    box-shadow: var(--shadow-2xl);
    overflow-y: auto;
    z-index: var(--z-modal-backdrop);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding-left: var(--space-6);
    border: none;
    display: none;
  }

  .dropdown.active .dropdown-menu {
    display: block;
  }

  .nav-cta {
    flex-direction: column;
    width: 100%;
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-color-light);
  }

  .nav-cta .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Mobile Overlay */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-300) var(--ease-out);
  z-index: calc(var(--z-modal-backdrop) - 1);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ===========================================
   BOTTOM NAVIGATION (Mobile PWA)
   =========================================== */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--border-color-light);
  display: none;
  padding: var(--space-2) 0;
  padding-bottom: calc(var(--space-2) + var(--safe-area-bottom));
  z-index: var(--z-fixed);
}

.bottom-nav-items {
  display: flex;
  justify-content: space-around;
  max-width: 500px;
  margin: 0 auto;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-xs);
  transition: color var(--duration-150);
}

.bottom-nav-item.active,
.bottom-nav-item:hover {
  color: var(--primary);
}

.bottom-nav-item i {
  font-size: var(--text-xl);
}

@media (max-width: 768px) {
  .bottom-nav {
    display: block;
  }

  body {
    padding-bottom: calc(60px + var(--safe-area-bottom));
  }
}

/* ===========================================
   SKIP LINK (Accessibility)
   =========================================== */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-3) var(--space-6);
  background: var(--primary);
  color: var(--color-text-inverse);
  text-decoration: none;
  font-weight: var(--font-semibold);
  border-radius: var(--radius);
  z-index: var(--z-max);
  transition: top var(--duration-150);
}

.skip-link:focus {
  top: var(--space-4);
  outline: 3px solid var(--color-primary-300);
  outline-offset: 2px;
}

/* ===========================================
   HEADER VARIANTS
   =========================================== */

/* Transparent Header */
.header-transparent {
  background: transparent;
  position: absolute;
}

.header-transparent .nav-link {
  color: var(--color-text-inverse);
}

.header-transparent .nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
}

.header-transparent .logo-text {
  color: var(--color-text-inverse);
}

/* Dark Header */
.header-dark {
  background: var(--dark);
}

.header-dark .nav-link {
  color: var(--color-text-inverse);
}

.header-dark .nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
}

.header-dark .logo-text {
  color: var(--color-text-inverse);
}

.header-dark .hamburger span {
  background: var(--color-text-inverse);
}

/* ===========================================
   SIDEBAR NAVIGATION
   =========================================== */

.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--border-color-light);
  overflow-y: auto;
  z-index: var(--z-fixed);
  transition: transform var(--duration-300) var(--ease-out);
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-color-light);
}

.sidebar-nav {
  padding: var(--space-4) 0;
}

.sidebar-section {
  padding: 0 var(--space-4);
  margin-bottom: var(--space-6);
}

.sidebar-section-title {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  padding: var(--space-2) var(--space-2);
  margin-bottom: var(--space-1);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius);
  transition: all var(--duration-150);
}

.sidebar-link:hover {
  background: var(--color-primary-50);
  color: var(--primary);
}

.sidebar-link.active {
  background: var(--bg-gradient);
  color: var(--color-text-inverse);
}

.sidebar-link i {
  width: 20px;
  text-align: center;
}

.sidebar.collapsed .sidebar-link span {
  display: none;
}

.sidebar.collapsed .sidebar-section-title {
  display: none;
}

/* ===========================================
   BREADCRUMBS
   =========================================== */

.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
}

.breadcrumb-item a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

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

.breadcrumb-item.active {
  color: var(--color-text);
}

.breadcrumb-separator {
  color: var(--color-text-light);
}

/* ===========================================
   TABS
   =========================================== */

.tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color-light);
  gap: var(--space-1);
  overflow-x: auto;
}

.tab {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--duration-150);
  margin-bottom: -2px;
}

.tab:hover {
  color: var(--primary);
}

.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Pills Tabs */
.tabs-pills {
  display: flex;
  gap: var(--space-2);
  border-bottom: none;
  background: var(--color-surface-sunken);
  padding: var(--space-2);
  border-radius: var(--radius-lg);
}

.tabs-pills .tab {
  border-radius: var(--radius);
  border-bottom: none;
  margin-bottom: 0;
}

.tabs-pills .tab.active {
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

/* ===========================================
   PAGINATION
   =========================================== */

.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all var(--duration-150);
}

.pagination-item:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pagination-item.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--color-text-inverse);
}

.pagination-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-ellipsis {
  padding: var(--space-2);
  color: var(--color-text-muted);
}