/**
 * Professional Header Styles - أنماط الترويسة الاحترافية
 * 
 * @package SociAir
 * @since 1.0.0
 */

/* ==========================================================================
   Header Base - الأساسيات
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  border-bottom-color: rgba(0, 0, 0, 0.1);
}

.site-header.header-hidden {
  transform: translateY(-100%);
}

.header-blur-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
  z-index: -1;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) 0;
  gap: var(--spacing-8);
  position: relative;
}

/* ==========================================================================
   Site Branding - العلامة التجارية
   ========================================================================== */

.site-branding {
  flex-shrink: 0;
  z-index: 10;
}

.logo-wrapper {
  display: flex;
  align-items: center;
}

.site-logo-text {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-3);
  text-decoration: none;
  transition: all 0.3s ease;
}

.site-logo-text:hover {
  transform: translateY(-1px);
}

.logo-icon {
  display: flex;
  align-items: center;
  color: var(--color-primary);
  transition: transform 0.3s ease;
}

.site-logo-text:hover .logo-icon {
  transform: rotate(5deg) scale(1.05);
}

.site-name {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.custom-logo-link {
  display: inline-block;
  max-width: 200px;
  transition: opacity 0.3s ease;
}

.custom-logo-link:hover {
  opacity: 0.9;
}

.custom-logo {
  height: auto;
  max-height: 48px;
  width: auto;
  display: block;
}

/* ==========================================================================
   Primary Navigation - القائمة الرئيسية
   ========================================================================== */

.primary-navigation {
  display: flex;
  align-items: center;
  flex: 1;
  margin: 0 var(--spacing-8);
}

.nav-content {
  width: 100%;
}

.mobile-nav-header {
  display: none;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  display: flex;
  align-items: center;
  padding: var(--spacing-2) var(--spacing-4);
  color: var(--color-gray-700);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.nav-menu a::before {
  content: '';
  position: absolute;
  bottom: 0;
  right: var(--spacing-4);
  left: var(--spacing-4);
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a:focus {
  color: var(--color-primary);
  background: var(--color-primary-lighter);
}

.nav-menu li.current-menu-item > a {
  color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

.nav-menu li.current-menu-item > a::before {
  transform: scaleX(1);
}

/* Submenu Styles */
.menu-item-has-children > a::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  margin-right: var(--spacing-2);
  font-size: 10px;
  transition: transform 0.3s ease;
}

.menu-item-has-children:hover > a::after {
  transform: rotate(180deg);
}

.sub-menu {
  position: absolute;
  top: calc(100% + var(--spacing-2));
  right: 0;
  min-width: 240px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  padding: var(--spacing-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: var(--z-dropdown);
  list-style: none;
  margin: 0;
}

.menu-item-has-children:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sub-menu li {
  margin: 0;
}

.sub-menu a {
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-md);
}

.sub-menu a::before {
  display: none;
}

/* ==========================================================================
   Header Actions - أزرار الإجراءات
   ========================================================================== */

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  flex-shrink: 0;
  z-index: 10;
}

.header-action-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--color-gray-100);
  border: none;
  border-radius: var(--radius-lg);
  color: var(--color-gray-700);
  cursor: pointer;
  transition: all 0.2s ease;
}

.header-action-btn:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-900);
  transform: translateY(-2px);
}

.notification-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-error);
  color: var(--color-white);
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  padding: 0 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.desktop-only {
  display: inline-flex;
}

/* ==========================================================================
   User Menu - قائمة المستخدم
   ========================================================================== */

.user-menu-wrapper {
  position: relative;
}

.user-menu-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-2) var(--spacing-3);
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all 0.2s ease;
  max-width: 280px;
}

.user-menu-toggle:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}

.user-menu-toggle[aria-expanded="true"] {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.user-avatar-wrapper {
  position: relative;
  flex-shrink: 0;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.user-status-indicator {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 12px;
  height: 12px;
  background: var(--color-success);
  border: 2px solid var(--color-white);
  border-radius: var(--radius-full);
  box-shadow: 0 0 0 2px var(--color-white);
}

.user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.user-name {
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 150px;
}

.user-plan {
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.dropdown-arrow {
  color: var(--color-gray-500);
  font-size: 12px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.user-menu-toggle[aria-expanded="true"] .dropdown-arrow {
  transform: rotate(180deg);
}

/* ==========================================================================
   User Dropdown - القائمة المنسدلة
   ========================================================================== */

.user-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-3));
  left: 0;
  min-width: 320px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: var(--z-dropdown);
  overflow: hidden;
}

.user-menu-toggle[aria-expanded="true"] + .user-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.dropdown-header {
  padding: var(--spacing-5);
  background: linear-gradient(135deg, var(--color-primary-lighter) 0%, var(--color-white) 100%);
  border-bottom: 1px solid var(--color-gray-200);
}

.dropdown-user-profile {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.dropdown-avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-xl);
  object-fit: cover;
  border: 3px solid var(--color-white);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.dropdown-user-details {
  flex: 1;
  min-width: 0;
}

.dropdown-user-name {
  font-weight: var(--font-weight-bold);
  color: var(--color-gray-900);
  font-size: var(--font-size-lg);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dropdown-user-email {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dropdown-body {
  padding: var(--spacing-3);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-gray-700);
  transition: all 0.2s ease;
  position: relative;
}

.dropdown-item:hover {
  background: var(--color-gray-50);
  color: var(--color-primary);
  transform: translateX(-4px);
}

.dropdown-item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  color: var(--color-gray-700);
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.dropdown-item:hover .dropdown-item-icon {
  background: var(--color-primary-lighter);
  color: var(--color-primary);
}

.dropdown-item-content {
  flex: 1;
  min-width: 0;
}

.dropdown-item-title {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: inherit;
  margin-bottom: 2px;
}

.dropdown-item-desc {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
  line-height: 1.4;
}

.dropdown-item-arrow {
  font-size: 12px;
  color: var(--color-gray-400);
  opacity: 0;
  transform: translateX(-5px);
  transition: all 0.2s ease;
}

.dropdown-item:hover .dropdown-item-arrow {
  opacity: 1;
  transform: translateX(0);
}

.dropdown-footer {
  padding: var(--spacing-3);
  border-top: 1px solid var(--color-gray-200);
  background: var(--color-gray-50);
}

.dropdown-divider {
  height: 1px;
  background: var(--color-gray-200);
  margin: var(--spacing-3) 0;
}

.dropdown-item-danger:hover {
  background: var(--color-error-light);
  color: var(--color-error);
}

.dropdown-item-danger:hover .dropdown-item-icon {
  background: var(--color-error);
  color: var(--color-white);
}

/* ==========================================================================
   Mobile Menu Toggle - زر القائمة
   ========================================================================== */

.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
  align-items: center;
  justify-content: center;
}

.mobile-menu-toggle:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-lighter);
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 20px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-gray-900);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
  opacity: 0;
  transform: translateX(10px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ==========================================================================
   Responsive Design - التصميم المتجاوب
   ========================================================================== */

@media (max-width: 1024px) {
  .header-inner {
    padding: var(--spacing-3) 0;
    gap: var(--spacing-4);
  }

  .site-name {
    font-size: var(--font-size-xl);
  }

  .custom-logo {
    max-height: 40px;
  }

  /* Hide desktop elements */
  .desktop-only,
  .notification-btn,
  .user-info,
  .dropdown-arrow {
    display: none !important;
  }

  /* Mobile Menu Toggle */
  .mobile-menu-toggle {
    display: flex;
  }

  /* Mobile Navigation */
  .primary-navigation {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 380px;
    height: 100vh;
    background: var(--color-white);
    margin: 0;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: var(--z-modal);
    overflow-y: auto;
  }

  .primary-navigation.active {
    right: 0;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.2);
  }

  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: -1;
    backdrop-filter: blur(4px);
  }

  .primary-navigation.active .nav-backdrop {
    opacity: 1;
    visibility: visible;
  }

  .nav-content {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--color-white);
    position: relative;
    z-index: 1;
  }

  .mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid var(--color-gray-200);
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
  }

  .mobile-branding {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    color: var(--color-primary);
  }

  .nav-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border: none;
    border-radius: var(--radius-lg);
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all 0.2s ease;
  }

  .nav-close:hover {
    background: var(--color-error-light);
    color: var(--color-error);
  }

  .nav-menu {
    flex-direction: column;
    align-items: stretch;
    padding: var(--spacing-5);
    gap: var(--spacing-2);
  }

  .nav-menu a {
    width: 100%;
    font-size: var(--font-size-base);
    padding: var(--spacing-4);
  }

  .nav-menu a::before {
    display: none;
  }

  /* Mobile Submenu */
  .sub-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--color-gray-50);
    margin-top: var(--spacing-2);
    border-radius: var(--radius-lg);
    display: none;
  }

  .menu-item-has-children.submenu-open .sub-menu {
    display: block;
  }

  .mobile-nav-actions {
    padding: var(--spacing-5);
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
    margin-top: auto;
  }

  .mobile-nav-actions .btn {
    margin-bottom: var(--spacing-3);
  }

  .mobile-nav-actions .btn:last-child {
    margin-bottom: 0;
  }

  /* User Menu Mobile */
  .user-menu-toggle {
    padding: var(--spacing-1-5) var(--spacing-3);
    min-width: auto;
    max-width: none;
  }

  .user-avatar {
    width: 36px;
    height: 36px;
  }

  .user-dropdown {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    min-width: 100%;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(100%);
  }

  .user-menu-toggle[aria-expanded="true"] + .user-dropdown {
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: var(--spacing-2) 0;
    gap: var(--spacing-3);
  }

  .site-name {
    font-size: var(--font-size-lg);
  }

  .custom-logo {
    max-height: 36px;
  }

  .logo-icon svg {
    width: 28px;
    height: 28px;
  }

  .mobile-menu-toggle,
  .header-action-btn {
    width: 40px;
    height: 40px;
  }

  .user-avatar {
    width: 32px;
    height: 32px;
  }

  .primary-navigation {
    max-width: 100%;
  }

  .dropdown-avatar {
    width: 48px;
    height: 48px;
  }
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

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

/* Smooth Scroll Behavior */
body.menu-open {
  overflow: hidden;
}