/**
 * Navigation Component System
 * Standardized navigation components for consistent UI across the application
 * 
 * Usage:
 * - Navbar: Use existing navbar.html structure
 * - Sidebar: Use existing sidebar.html structure
 * - Breadcrumbs: <nav class="breadcrumb">...</nav>
 */

/* ============================================
   NAVBAR
   ============================================ */

.navbar,
nav.navbar {
  position: sticky;
  top: 0;
  z-index: var(--navbar-z-index);
  background-color: var(--navbar-bg-color);
  backdrop-filter: var(--navbar-backdrop-blur);
  -webkit-backdrop-filter: var(--navbar-backdrop-blur);
  border-bottom: var(--navbar-border-width) solid var(--navbar-border-color);
  padding: var(--navbar-padding-y) var(--navbar-padding-x);
  transition: var(--button-transition);
}

.navbar-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--heading-h5-size);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary-700);
  text-decoration: none;
  transition: var(--button-transition);
  font-family: var(--font-family-heading);
}

.navbar-brand:hover {
  color: var(--color-primary-600);
  transform: scale(1.05);
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar-link {
  display: flex;
  align-items: center;
  padding: var(--nav-link-padding-y) var(--nav-link-padding-x);
  font-size: var(--nav-link-font-size);
  font-weight: var(--nav-link-font-weight);
  color: var(--nav-link-color);
  text-decoration: none;
  border-radius: var(--nav-link-border-radius);
  transition: var(--nav-link-transition);
  font-family: var(--font-family-base);
  position: relative;
}

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

.navbar-link.active {
  color: var(--nav-link-active-color);
  background-color: var(--nav-link-active-bg);
  font-weight: var(--font-weight-semibold);
}

.navbar-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: var(--menu-item-active-indicator-width);
  background-color: var(--menu-item-active-indicator-color);
  border-radius: 2px 2px 0 0;
}

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

.sidebar,
.sidebar-container {
  width: var(--sidebar-width);
  background-color: var(--sidebar-bg-color);
  border-right: var(--sidebar-border-width) solid var(--sidebar-border-color);
  box-shadow: var(--sidebar-shadow);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: var(--sidebar-z-index);
  transition: var(--mobile-menu-transition);
}

.sidebar-logo {
  padding: var(--sidebar-padding);
  border-bottom: var(--sidebar-border-width) solid var(--sidebar-border-color);
  margin-bottom: var(--spacing-md);
}

.sidebar-logo h2,
.sidebar-logo h3 {
  margin: 0;
  font-size: var(--heading-h5-size);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-700);
  font-family: var(--font-family-heading);
}

.sidebar-menu {
  padding: 0 var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: var(--menu-item-gap);
}

.menu-item {
  display: flex;
  align-items: center;
  gap: var(--menu-item-icon-gap);
  padding: var(--menu-item-padding-y) var(--menu-item-padding-x);
  font-size: var(--menu-item-font-size);
  color: var(--menu-item-color);
  text-decoration: none;
  border-radius: var(--menu-item-border-radius);
  transition: var(--button-transition);
  cursor: pointer;
  font-family: var(--font-family-base);
  position: relative;
  font-weight: var(--font-weight-medium);
}

.menu-item:hover:not(.disabled):not(.active) {
  background-color: var(--menu-item-hover-bg);
  color: var(--menu-item-hover-color);
}

.menu-item.active {
  background-color: var(--menu-item-active-bg);
  color: var(--menu-item-active-color);
  font-weight: var(--font-weight-semibold);
}

.menu-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: var(--menu-item-active-indicator-width);
  height: 60%;
  background-color: var(--menu-item-active-indicator-color);
  border-radius: 0 2px 2px 0;
}

.menu-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.menu-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--menu-item-icon-size);
  height: var(--menu-item-icon-size);
  flex-shrink: 0;
  font-size: var(--menu-item-icon-size);
  color: inherit;
}

.menu-item .menu-icon i {
  font-size: var(--menu-item-icon-size);
  width: var(--menu-item-icon-size);
  height: var(--menu-item-icon-size);
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-badge {
  margin-left: auto;
  background-color: var(--color-error-600);
  color: #ffffff;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

/* ============================================
   MOBILE MENU
   ============================================ */

.mobile-menu-btn {
  display: none;
  padding: var(--spacing-sm);
  color: var(--color-neutral-600);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--button-radius-sm);
  transition: var(--button-transition);
}

.mobile-menu-btn:hover {
  color: var(--color-primary-600);
  background-color: var(--color-primary-50);
}

.mobile-menu-btn:focus {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--navbar-height, 56px);
  left: 0;
  right: 0;
  width: 100%;
  background: #ffffff;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  border-top: 1px solid rgba(229, 231, 235, 0.6);
  z-index: calc(var(--navbar-z-index) - 1);
  animation: slideDown 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-height: calc(100vh - var(--navbar-height, 56px));
  overflow-y: auto;
}

.mobile-menu.show {
  display: block;
}

/* Ensure mobile menu is hidden on desktop */
@media (min-width: 768px) {
  .mobile-menu,
  .mobile-menu.show {
  display: none !important;
  }
}

.mobile-menu.hidden {
  display: none !important;
  visibility: hidden !important;
}


@media (min-width: 768px) {
  /* Ensure mobile menu is hidden on desktop */
  .mobile-menu,
  .mobile-menu.show {
    display: none !important;
  }
  
  /* Ensure desktop nav links are always visible */
  #desktop-nav-links {
    display: flex !important;
  }
}

.mobile-menu-content {
  padding: 0.5rem 0;
  width: 100%;
  max-width: 100%;
}

/* Industry Standard: Full-Width Vertical List */
.mobile-menu-section {
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* Industry Standard: Full-Width Menu Items */
.mobile-menu-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1.25rem;
  min-height: 48px;
  width: 100%;
  background: #ffffff;
  color: #374151;
  text-decoration: none;
  border-bottom: 1px solid #f3f4f6;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: background-color 0.2s ease;
  -webkit-tap-highlight-color: rgba(22, 163, 74, 0.1);
  margin: 0;
}

.mobile-menu-item:last-child {
  border-bottom: none;
}

.mobile-menu-item:hover {
  background-color: #f9fafb;
  color: #16a34a;
}

.mobile-menu-item:active {
  background-color: #f3f4f6;
}

.mobile-menu-item:focus {
  outline: 2px solid rgba(22, 163, 74, 0.3);
  outline-offset: -2px;
}

.mobile-menu-item i {
  font-size: 1.125rem;
  width: 24px;
  text-align: center;
  color: #6b7280;
  transition: color 0.2s ease;
}

.mobile-menu-item:hover i {
  color: #16a34a;
}

.mobile-menu-item span {
  flex: 1;
  color: inherit;
}

/* Primary CTA Item (Sign Up) */
.mobile-menu-item-primary {
  background: #16a34a !important;
  color: #ffffff !important;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0.5rem 1.25rem;
  border-radius: 8px;
  border-bottom: none !important;
}

.mobile-menu-item-primary:hover {
  background: #15803d !important;
  color: #ffffff !important;
}

.mobile-menu-item-primary:active {
  background: #166534 !important;
}

.mobile-menu-item-primary i {
  color: #ffffff !important;
}

.mobile-menu-item-primary span {
  color: #ffffff !important;
}

/* Logout Item (Danger) */
.mobile-menu-item-logout {
  color: #dc2626 !important;
}

.mobile-menu-item-logout i {
  color: #dc2626 !important;
}

.mobile-menu-item-logout:hover {
  background-color: #fef2f2 !important;
  color: #dc2626 !important;
}

.mobile-menu-item-logout:hover i {
  color: #dc2626 !important;
}

/* Section Divider */
.mobile-menu-divider {
  height: 1px;
  background: #e5e7eb;
  margin: 0.25rem 0;
}

/* Horizontal Scrollable Navigation */
.mobile-menu-horizontal {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.75rem 1rem;
  width: 100%;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

/* Section Label (optional, subtle) */
.mobile-menu-horizontal::before {
  content: '';
  display: none; /* Can be enabled for section labels */
}

/* If items fit, center them */
@media (max-width: 480px) {
  .mobile-menu-horizontal {
    justify-content: center;
    gap: 0.875rem;
  }
  
  .mobile-menu-item-horizontal {
    flex: 0 0 auto;
    min-width: 90px;
  }
}

.mobile-menu-horizontal::-webkit-scrollbar {
  display: none;
}

.mobile-menu-item-horizontal {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 1.125rem 1.5rem;
  min-width: 95px;
  min-height: 90px;
  background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%);
  border: 2px solid #e5e7eb;
  border-radius: 14px;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* Active State */
.mobile-menu-item-horizontal.active {
  background: linear-gradient(135deg, rgba(22, 163, 74, 0.1) 0%, rgba(22, 163, 74, 0.05) 100%);
  border-color: #16a34a;
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.15);
}

.mobile-menu-item-horizontal.active i {
  color: #16a34a;
}

.mobile-menu-item-horizontal.active span {
  color: #16a34a;
  font-weight: 700;
}

.mobile-menu-item-horizontal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-menu-item-horizontal:hover {
  border-color: #16a34a !important;
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(22, 163, 74, 0.25) !important;
}

/* Focus State for Accessibility */
.mobile-menu-item-horizontal:focus {
  outline: 3px solid rgba(22, 163, 74, 0.3);
  outline-offset: 2px;
}

.mobile-menu-item-horizontal:hover::before {
  opacity: 1 !important;
}

.mobile-menu-item-horizontal i {
  font-size: 1.75rem;
  color: #16a34a;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
  filter: drop-shadow(0 2px 4px rgba(22, 163, 74, 0.1));
}

.mobile-menu-item-horizontal:hover i {
  color: #ffffff !important;
  transform: scale(1.15);
}

.mobile-menu-item-horizontal span {
  font-size: 0.875rem;
  font-weight: 600;
  color: #374151;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

/* Active/Tap State */
.mobile-menu-item-horizontal:active {
  transform: translateY(-1px) scale(0.98);
  box-shadow: 0 2px 6px rgba(22, 163, 74, 0.2) !important;
}

.mobile-menu-item-horizontal:hover span {
  color: #ffffff !important;
}

.mobile-menu-item-horizontal.mobile-menu-item-danger {
  border-color: rgba(220, 38, 38, 0.3);
}

.mobile-menu-item-horizontal.mobile-menu-item-danger i {
  color: #dc2626;
  filter: drop-shadow(0 2px 4px rgba(220, 38, 38, 0.1));
}

.mobile-menu-item-horizontal.mobile-menu-item-danger span {
  color: #dc2626;
}

.mobile-menu-item-horizontal.mobile-menu-item-danger:hover::before {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%) !important;
}

.mobile-menu-item-horizontal.mobile-menu-item-danger:hover i,
.mobile-menu-item-horizontal.mobile-menu-item-danger:hover span {
  color: #ffffff !important;
}

/* Horizontal Auth Section */
.mobile-menu-auth-horizontal {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 1rem;
  border-top: 2px solid #f3f4f6;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  width: 100%;
  position: relative;
}

.mobile-menu-auth-horizontal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, transparent, #e5e7eb, transparent);
  border-radius: 2px;
}

/* Vertical Divider Between Groups */
.mobile-menu-divider-vertical {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, transparent, #d1d5db, transparent);
  margin: 0 0.5rem;
  flex-shrink: 0;
}

/* Secondary Item Style (Login) */
.mobile-menu-item-secondary {
  background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%) !important;
  border-color: #d1d5db !important;
}

.mobile-menu-item-secondary i {
  color: #6b7280 !important;
}

.mobile-menu-item-secondary span {
  color: #4b5563 !important;
}

.mobile-menu-item-secondary:hover {
  background: linear-gradient(135deg, #e5e7eb 0%, #d1d5db 100%) !important;
  border-color: #9ca3af !important;
}

.mobile-menu-item-secondary:hover i,
.mobile-menu-item-secondary:hover span {
  color: #374151 !important;
}

/* Tertiary Item Style (Partner, Demo) */
.mobile-menu-item-tertiary {
  background: linear-gradient(135deg, #ffffff 0%, #f9fafb 100%) !important;
  border-color: #d1d5db !important;
  border-style: dashed !important;
  border-width: 1.5px !important;
}

.mobile-menu-item-tertiary i {
  color: #9ca3af !important;
  font-size: 1.5rem !important;
}

.mobile-menu-item-tertiary span {
  color: #6b7280 !important;
  font-size: 0.8125rem !important;
  font-weight: 500 !important;
}

.mobile-menu-item-tertiary:hover {
  background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%) !important;
  border-color: #9ca3af !important;
  border-style: solid !important;
}

.mobile-menu-item-tertiary:hover i {
  color: #6b7280 !important;
}

.mobile-menu-item-tertiary:hover span {
  color: #4b5563 !important;
}

/* If items fit, center them */
@media (max-width: 480px) {
  .mobile-menu-auth-horizontal {
    justify-content: center;
    gap: 0.875rem;
  }
  
  .mobile-menu-auth-horizontal .mobile-menu-item-horizontal {
    flex: 0 0 auto;
    min-width: 90px;
  }
  
  .mobile-menu-btn-horizontal {
    width: auto;
    min-width: 140px;
    margin: 0;
  }
}

.mobile-menu-auth-horizontal::-webkit-scrollbar {
  display: none;
}

/* Primary Button - Horizontal (Sign Up) */
.mobile-menu-btn-horizontal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 1rem 2rem;
  min-width: 140px;
  min-height: 52px;
  background: linear-gradient(135deg, #16a34a 0%, #15803d 100%);
  color: #ffffff !important;
  text-decoration: none;
  border-radius: 14px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.35), 0 0 0 1px rgba(22, 163, 74, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  border: 2px solid #16a34a;
  position: relative;
  overflow: hidden;
}

/* Visual distinction: Primary button has solid green background */

.mobile-menu-btn-horizontal::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s;
}

.mobile-menu-btn-horizontal:hover::before {
  left: 100%;
}

.mobile-menu-btn-horizontal:hover {
  background: linear-gradient(135deg, #15803d 0%, #166534 100%) !important;
  color: #ffffff !important;
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(22, 163, 74, 0.45), 0 0 0 1px rgba(22, 163, 74, 0.2) !important;
}

.mobile-menu-btn-horizontal:active {
  transform: translateY(-2px) scale(0.98);
  box-shadow: 0 4px 16px rgba(22, 163, 74, 0.35) !important;
}

.mobile-menu-btn-horizontal:focus {
  outline: 3px solid rgba(22, 163, 74, 0.4);
  outline-offset: 2px;
}

.mobile-menu-btn-horizontal:active {
  transform: translateY(-1px);
}

.mobile-menu-btn-horizontal i {
  font-size: 1.125rem;
  color: #ffffff !important;
}

.mobile-menu-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--mobile-menu-backdrop);
  z-index: calc(var(--navbar-z-index) - 2);
  animation: fadeIn 0.3s ease-out;
}

.mobile-menu-backdrop.show {
  display: block;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

.breadcrumb,
nav.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--breadcrumb-gap);
  font-size: var(--breadcrumb-font-size);
  font-family: var(--font-family-base);
  padding: var(--spacing-md) 0;
  flex-wrap: wrap;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--breadcrumb-gap);
  color: var(--breadcrumb-color);
  text-decoration: none;
  transition: var(--button-transition);
}

.breadcrumb-item:hover {
  color: var(--color-primary-600);
}

.breadcrumb-item.active {
  color: var(--breadcrumb-active-color);
  font-weight: var(--font-weight-medium);
  pointer-events: none;
}

.breadcrumb-separator {
  color: var(--breadcrumb-separator-color);
  user-select: none;
}

.breadcrumb-separator::before {
  content: var(--breadcrumb-separator);
}

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

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  .navbar-nav {
    display: none;
  }
  
  .sidebar {
    transform: translateX(-100%);
  }
  
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  
  .breadcrumb {
    font-size: var(--font-size-xs);
    padding: var(--spacing-sm) 0;
  }
}

/* ============================================
   SIDEBAR MOBILE OVERLAY
   ============================================ */

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--mobile-menu-backdrop);
  z-index: calc(var(--sidebar-z-index) - 1);
  animation: fadeIn 0.3s ease-out;
}

.sidebar-overlay.show {
  display: block;
}

/* ============================================
   LEGACY COMPATIBILITY
   ============================================ */

/* Ensure existing sidebar styles work */
.sidebar-container {
  /* Inherits from .sidebar above */
}

.sidebar-menu .menu-item {
  /* Inherits from .menu-item above */
}

/* Navbar link active state for existing navbar */
nav a.active,
.navbar a.active {
  color: var(--nav-link-active-color);
  background-color: var(--nav-link-active-bg);
  font-weight: var(--font-weight-semibold);
}

/* Mobile menu improvements */
#mobile-menu {
  /* Enhanced with animations */
  transition: var(--mobile-menu-transition);
}

/* REMOVED: Conflicting display:block rule - menu uses flex-col and needs display:flex */
/* #mobile-menu:not(.hidden) {
  display: block;
  animation: slideDown 0.3s ease-out;
} */