/*
 * Main Navigation Component Styles
 *
 * A responsive navigation component with:
 * - Consistent brand styling
 * - Active state indicators
 * - User menu dropdown
 * - Mobile-responsive hamburger menu
 *
 * Uses design system tokens for consistent styling.
 */

/* ============================================
 * MAIN NAVIGATION BAR
 * ============================================ */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-neutral-white);
  border-bottom: 1px solid var(--color-border-primary);
  box-shadow: var(--shadow-sm);
}

.main-nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 64px;
}

/* ============================================
 * BRAND SECTION
 * ============================================ */
.main-nav__brand {
  flex-shrink: 0;
}

.main-nav__logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: opacity 0.15s ease;
}

.main-nav__logo-link:hover {
  opacity: 0.8;
}

.main-nav__logo-icon {
  color: var(--color-primary-500);
  flex-shrink: 0;
}

.main-nav__logo-text {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: -0.025em;
}

/* ============================================
 * MOBILE MENU TOGGLE
 * ============================================ */
.main-nav__mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.main-nav__mobile-toggle:hover {
  background-color: var(--color-neutral-100);
}

.main-nav__mobile-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.main-nav__mobile-toggle-icon {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 20px;
}

.main-nav__hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-neutral-700);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Hamburger to X animation */
.main-nav__mobile-toggle[aria-expanded="true"] .main-nav__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.main-nav__mobile-toggle[aria-expanded="true"] .main-nav__hamburger-line:nth-child(2) {
  opacity: 0;
}

.main-nav__mobile-toggle[aria-expanded="true"] .main-nav__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
 * NAVIGATION MENU (Desktop)
 * ============================================ */
.main-nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex: 1;
  justify-content: flex-end;
}

.main-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
  margin-right: auto;
  padding-left: var(--space-8);
}

.main-nav__item {
  position: relative;
}

.main-nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: 6px;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.main-nav__link:hover {
  color: var(--color-text-primary);
  background-color: var(--color-neutral-100);
}

.main-nav__link:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

/* Active state indicator */
.main-nav__link--active {
  color: var(--color-primary-600);
  background-color: var(--color-primary-50);
}

.main-nav__link--active:hover {
  color: var(--color-primary-700);
  background-color: var(--color-primary-100);
}

/* Active state underline indicator */
.main-nav__link--active::after {
  content: "";
  position: absolute;
  bottom: -12px;
  left: var(--space-3);
  right: var(--space-3);
  height: 2px;
  background-color: var(--color-primary-500);
  border-radius: 2px 2px 0 0;
}

.main-nav__link-icon {
  flex-shrink: 0;
  opacity: 0.7;
}

.main-nav__link--active .main-nav__link-icon {
  opacity: 1;
}

/* ============================================
 * WORKSPACE STATUS INDICATOR
 * ============================================ */
.main-nav__workspace-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1-5) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-success-700);
  background-color: var(--color-success-50);
  border-radius: 9999px;
  border: 1px solid var(--color-success-200);
}

.main-nav__workspace-indicator {
  width: 8px;
  height: 8px;
  background-color: var(--color-success-500);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.main-nav__workspace-name {
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============================================
 * USER MENU DROPDOWN
 * ============================================ */
.main-nav__user-menu {
  position: relative;
}

.main-nav__user-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1-5) var(--space-3);
  background: transparent;
  border: 1px solid var(--color-border-primary);
  border-radius: 9999px;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.main-nav__user-toggle:hover {
  background-color: var(--color-neutral-50);
  border-color: var(--color-neutral-300);
}

.main-nav__user-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.main-nav__user-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-neutral-white);
  background-color: var(--color-primary-500);
  border-radius: 50%;
}

.main-nav__user-name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.main-nav__dropdown-arrow {
  color: var(--color-neutral-500);
  transition: transform 0.15s ease;
}

.main-nav__user-menu.open .main-nav__dropdown-arrow {
  transform: rotate(180deg);
}

/* User Dropdown Panel */
.main-nav__dropdown {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 220px;
  background-color: var(--color-neutral-white);
  border: 1px solid var(--color-border-primary);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease;
  z-index: 200;
}

.main-nav__user-menu.open .main-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-nav__dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
}

.main-nav__dropdown-email {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.main-nav__dropdown-badge {
  flex-shrink: 0;
  padding: var(--space-0-5) var(--space-2);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary-700);
  background-color: var(--color-primary-100);
  border-radius: 4px;
}

.main-nav__dropdown-divider {
  height: 1px;
  background-color: var(--color-border-primary);
  margin: 0;
}

.main-nav__dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2-5) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  background: transparent;
  border: none;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.main-nav__dropdown-item:hover {
  background-color: var(--color-neutral-50);
}

.main-nav__dropdown-item:focus-visible {
  outline: none;
  background-color: var(--color-neutral-100);
}

.main-nav__dropdown-item--danger {
  color: var(--color-error-600);
}

.main-nav__dropdown-item--danger:hover {
  background-color: var(--color-error-50);
}

.main-nav__dropdown-item--warning {
  color: var(--color-warning-700);
  font-weight: 600;
}

.main-nav__dropdown-item--warning:hover {
  background-color: var(--color-warning-50);
}

/* Impersonation Badge */
.main-nav__dropdown-badge--impersonating {
  color: var(--color-warning-800);
  background-color: var(--color-warning-100);
}

/* Impersonation Info in Dropdown */
.main-nav__dropdown-impersonation-info {
  padding: var(--space-2) var(--space-4);
  background-color: var(--color-warning-50);
}

.main-nav__dropdown-impersonation-text {
  font-size: 0.75rem;
  color: var(--color-warning-700);
}

/* ============================================
 * AUTH LINKS (Not logged in)
 * ============================================ */
.main-nav__auth-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ============================================
 * MOBILE RESPONSIVE STYLES
 * ============================================ */
@media (width <= 768px) {
  .main-nav__container {
    padding: 0 var(--space-4);
    height: 56px;
  }

  .main-nav__logo-text {
    display: none;
  }

  .main-nav__mobile-toggle {
    display: flex;
  }

  .main-nav__menu {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-4);
    background-color: var(--color-neutral-white);
    border-top: 1px solid var(--color-border-primary);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    overflow-y: auto;
  }

  .main-nav__menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .main-nav__links {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    padding-left: 0;
    margin-right: 0;
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border-primary);
    margin-bottom: var(--space-4);
  }

  .main-nav__link {
    padding: var(--space-3) var(--space-4);
    border-radius: 8px;
  }

  .main-nav__link--active::after {
    display: none;
  }

  .main-nav__workspace-status {
    margin-bottom: var(--space-4);
    justify-content: center;
  }

  .main-nav__workspace-name {
    max-width: none;
  }

  .main-nav__user-menu {
    width: 100%;
  }

  .main-nav__user-toggle {
    width: 100%;
    justify-content: space-between;
    border-radius: 8px;
    padding: var(--space-3) var(--space-4);
  }

  .main-nav__user-name {
    max-width: none;
    flex: 1;
    text-align: left;
  }

  .main-nav__dropdown {
    position: static;
    min-width: auto;
    margin-top: var(--space-2);
    box-shadow: none;
    border: 1px solid var(--color-border-primary);
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }

  .main-nav__user-menu.open .main-nav__dropdown {
    display: block;
  }

  .main-nav__auth-links {
    flex-direction: column;
    gap: var(--space-2);
  }

  .main-nav__auth-links .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Small mobile adjustments */
@media (width <= 480px) {
  .main-nav__container {
    padding: 0 var(--space-3);
  }

  .main-nav__menu {
    padding: var(--space-3);
  }
}

/* ============================================
 * MAIN CONTENT AREA
 * ============================================ */
.main-content {
  min-height: calc(100vh - 64px);
}

@media (width <= 768px) {
  .main-content {
    min-height: calc(100vh - 56px);
  }
}

/* ============================================
 * FLASH MESSAGES (Updated positioning)
 * ============================================ */
.flash-notice,
.flash-alert {
  position: relative;
  max-width: 1400px;
  margin: var(--space-4) auto;
  padding: var(--space-3) var(--space-4);
  border-radius: 8px;
  font-size: var(--text-sm);
  font-weight: 500;
}

.flash-notice {
  background-color: var(--color-success-50);
  color: var(--color-success-800);
  border: 1px solid var(--color-success-200);
}

.flash-alert {
  background-color: var(--color-error-50);
  color: var(--color-error-800);
  border: 1px solid var(--color-error-200);
}