/* ===== Base Styles & CSS Variables ===== */
:root {
  --primary-color: #6a11cb;
  --primary-dark: #6a11cb;
  --secondary-color: #6c757d;
  --dark-color: #1d2144;
  --light-color: #f8f9fa;
  --danger-color: #dc3545;
  --success-color: #28a745;
  --border-color: #e5e7eb;
  --shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  --transition: all 0.3s ease;
  --radius: 6px;
  --header-height: 70px;
}

[dir="rtl"] {
  --direction: rtl;
}

[dir="ltr"] {
  --direction: ltr;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  transition: var(--transition);
}

body.dark-theme {
  background-color: #121212;
  color: #f1f1f1;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Preloader Styles ===== */
.advanced-preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

body.dark-theme .advanced-preloader {
  background-color: #121212;
}

.advanced-preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-content {
  text-align: center;
}

.preloader-logo {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 2rem;
  letter-spacing: 2px;
}

.preloader-spinner {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.spinner-circle {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background-color: var(--primary-color);
  animation: bounce 1.4s infinite ease-in-out both;
}

.spinner-circle:nth-child(1) {
  animation-delay: -0.32s;
}

.spinner-circle:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes bounce {
  0%, 80%, 100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ===== Advanced Header Styles ===== */
.advanced-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

body.dark-theme .advanced-header {
  background-color: rgba(18, 18, 18, 0.95);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.advanced-header.scrolled {
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

/* Header Topbar */
.header-topbar {
  background-color: var(--dark-color);
  color: #fff;
  padding: 8px 0;
  font-size: 0.875rem;
}

body.dark-theme .header-topbar {
  background-color: #1a1a1a;
}

.topbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.contact-info {
  display: flex;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-item i {
  color: var(--primary-color);
}

.topbar-right {
  display: flex;
  align-items: center;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

/* Language Selector */
.language-selector {
  position: relative;
}

.language-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 5px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.language-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.language-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background-color: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 150px;
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 1001;
}

body.dark-theme .language-dropdown {
  background-color: #1a1a1a;
  border: 1px solid #333;
}

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

.language-dropdown a {
  display: block;
  padding: 8px 20px;
  color: var(--dark-color);
  text-decoration: none;
  transition: var(--transition);
}

body.dark-theme .language-dropdown a {
  color: #f1f1f1;
}

.language-dropdown a:hover {
  background-color: rgba(74, 108, 247, 0.1);
  color: var(--primary-color);
}

/* Theme Toggle */
.theme-toggle {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  position: relative;
}

.theme-toggle:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.theme-toggle i {
  position: absolute;
  transition: var(--transition);
}

.theme-toggle .fa-sun {
  opacity: 0;
  transform: rotate(90deg);
}

body.dark-theme .theme-toggle .fa-moon {
  opacity: 0;
  transform: rotate(-90deg);
}

body.dark-theme .theme-toggle .fa-sun {
  opacity: 1;
  transform: rotate(0);
}

/* Main Header */
.header-main {
  padding: 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

/* Logo */
.header-logo .logo-link {
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1;
}

.logo-tagline {
  font-size: 0.7rem;
  color: var(--secondary-color);
  letter-spacing: 1px;
  margin-top: 2px;
}

body.dark-theme .logo-tagline {
  color: #aaa;
}

/* Navigation */
.header-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 5px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  color: var(--dark-color);
  text-decoration: none;
  border-radius: var(--radius);
  transition: var(--transition);
  font-weight: 500;
}

body.dark-theme .nav-link {
  color: #f1f1f1;
}

.nav-link:hover,
.nav-item.active .nav-link {
  color: var(--primary-color);
  background-color: rgba(74, 108, 247, 0.08);
}

.dropdown-icon {
  font-size: 0.8rem;
  margin-left: 5px;
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 220px;
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 100;
}

body.dark-theme .dropdown-menu {
  background-color: #1a1a1a;
  border: 1px solid #333;
}

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

.dropdown-item {
  display: block;
  padding: 10px 20px;
  color: var(--dark-color);
  text-decoration: none;
  transition: var(--transition);
}

body.dark-theme .dropdown-item {
  color: #f1f1f1;
}

.dropdown-item:hover {
  background-color: rgba(74, 108, 247, 0.1);
  color: var(--primary-color);
  padding-left: 25px;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
}

.action-buttons {
  display: flex;
  align-items: center;
  gap: 15px;
}

.action-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background-color: rgba(74, 108, 247, 0.1);
  color: var(--primary-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  position: relative;
}

.action-btn:hover {
  background-color: var(--primary-color);
  color: white;
}

.cart-count {
  position: absolute;
  top: -5px;
  right: -5px;
  background-color: var(--danger-color);
  color: white;
  font-size: 0.7rem;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.primary-btn {
  background-color: var(--primary-color);
  color: white;
  padding: 10px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.primary-btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.toggle-bar {
  width: 100%;
  height: 3px;
  background-color: var(--dark-color);
  border-radius: 2px;
  transition: var(--transition);
}

body.dark-theme .toggle-bar {
  background-color: #f1f1f1;
}

.mobile-toggle.active .toggle-bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.mobile-toggle.active .toggle-bar:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active .toggle-bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Search Overlay */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

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

.search-container {
  width: 90%;
  max-width: 600px;
  position: relative;
}

.search-close {
  position: absolute;
  top: -60px;
  right: 0;
  background: transparent;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  transition: var(--transition);
}

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

.search-form {
  display: flex;
}

.search-input {
  flex: 1;
  padding: 20px;
  font-size: 1.2rem;
  border: none;
  border-radius: var(--radius) 0 0 var(--radius);
  outline: none;
}

.search-submit {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 0 30px;
  border-radius: 0 var(--radius) var(--radius) 0;
  cursor: pointer;
  font-size: 1.2rem;
  transition: var(--transition);
}

.search-submit:hover {
  background-color: var(--primary-dark);
}

/* ===== RTL Support ===== */
[dir="rtl"] .language-dropdown {
  right: auto;
  left: 0;
}

[dir="rtl"] .dropdown-icon {
  margin-left: 0;
  margin-right: 5px;
}

[dir="rtl"] .dropdown-menu {
  left: auto;
  right: 0;
}

[dir="rtl"] .dropdown-item:hover {
  padding-left: 20px;
  padding-right: 25px;
}

[dir="rtl"] .cart-count {
  right: auto;
  left: -5px;
}

[dir="rtl"] .search-close {
  right: auto;
  left: 0;
}

[dir="rtl"] .search-input {
  border-radius: 0 var(--radius) var(--radius) 0;
}

[dir="rtl"] .search-submit {
  border-radius: var(--radius) 0 0 var(--radius);
}

[dir="rtl"] .contact-info {
  flex-direction: row-reverse;
}

[dir="rtl"] .language-btn {
  flex-direction: row-reverse;
}

/* ===== Responsive Styles ===== */
@media (max-width: 992px) {
  .header-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: #fff;
    box-shadow: var(--shadow);
    padding: 20px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
  }
  
  body.dark-theme .header-nav {
    background-color: #1a1a1a;
  }
  
  .header-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-menu {
    flex-direction: column;
    gap: 0;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    padding: 15px;
    border-radius: 0;
    border-bottom: 1px solid var(--border-color);
  }
  
  .dropdown-menu {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  
  body.dark-theme .dropdown-menu {
    background-color: rgba(255, 255, 255, 0.05);
  }
  
  .nav-item.dropdown.active .dropdown-menu {
    max-height: 400px;
  }
  
  .dropdown-item:hover {
    padding-left: 30px;
  }
  
  [dir="rtl"] .dropdown-item:hover {
    padding-left: 20px;
    padding-right: 30px;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .header-topbar .container {
    padding: 0 10px;
  }
  
  .contact-info {
    flex-direction: column;
    gap: 5px;
  }
  
  .topbar-content {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
  
  .topbar-left, .topbar-right {
    width: 100%;
  }
  
  .topbar-actions {
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .logo-main {
    font-size: 1.5rem;
  }
  
  .action-buttons {
    gap: 10px;
  }
  
  .primary-btn span {
    display: none;
  }
  
  .primary-btn {
    padding: 10px;
  }
  
  .header-inner {
    height: 60px;
  }
  
  .header-nav {
    top: 60px;
  }
}