/* ================================================
       ENHANCED UI/UX DESIGN SYSTEM - PRODUCTION READY
       ================================================ */
    :root {
      --primary-bg: #1a1a2e;
      --secondary-bg: #16213e;
      --accent-gold: #FFD700;
      --accent-orange: #ff6b35;
      --accent-green: #00d9a3;
      --text-primary: #ffffff;
      --text-secondary: #b8c1ec;
      --text-muted: #8892b8;
      --glass-bg: rgba(255, 255, 255, 0.05);
      --glass-border: rgba(255, 255, 255, 0.1);
      --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
      --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.3);
      --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.4);
      --border-radius-sm: 8px;
      --border-radius-md: 12px;
      --border-radius-lg: 16px;
      --border-radius-xl: 24px;
      --spacing-sm: 16px;
      --spacing-md: 24px;
      --spacing-lg: 32px;
      --spacing-xl: 48px;
      --transition-base: 0.3s ease;
    }
    
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    
    html {
      scroll-behavior: smooth;
    }
    
    html, body {
      background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
      font-family: 'IBM Plex Sans Arabic', 'Noto Kufi Arabic', sans-serif;
      color: var(--text-primary);
      min-height: 100vh;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }
    
    /* Loading Screen */
    #loadingScreen {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, var(--primary-bg), var(--secondary-bg));
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      z-index: 9999;
      transition: opacity 0.5s ease, visibility 0.5s ease;
    }
    
    #loadingScreen.hidden {
      opacity: 0;
      visibility: hidden;
    }
    
    .loading-spinner {
      width: 60px;
      height: 60px;
      border: 4px solid rgba(255, 215, 0, 0.2);
      border-top-color: var(--accent-gold);
      border-radius: 50%;
      animation: spin 1s linear infinite;
      margin-bottom: 20px;
    }
    
    @keyframes spin {
      to { transform: rotate(360deg); }
    }
    
    .loading-text {
      color: var(--accent-gold);
      font-size: 18px;
      font-weight: 700;
    }
    
    /* Animated Background */
    body::before {
      content: '';
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: 
        radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 53, 0.08) 0%, transparent 50%);
      animation: backgroundPulse 20s ease-in-out infinite;
      pointer-events: none;
      z-index: 0;
    }
    
    @keyframes backgroundPulse {
      0%, 100% { opacity: 0.4; }
      50% { opacity: 0.7; }
    }
    
    /* Header */
    header {
      background: rgba(26, 26, 46, 0.95);
      backdrop-filter: blur(20px);
      padding: var(--spacing-sm) 5%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: var(--shadow-lg);
      border-bottom: 1px solid var(--glass-border);
    }
    
    header img {
      height: 50px;
      filter: drop-shadow(0 0 16px rgba(255, 215, 0, 0.4));
      transition: transform var(--transition-base);
    }
    
    header img:hover {
      transform: scale(1.05);
    }
    
    nav {
      display: flex;
      gap: var(--spacing-sm);
      flex-wrap: wrap;
    }
    
    nav a {
      color: var(--text-primary);
      text-decoration: none;
      font-weight: 600;
      padding: 8px 16px;
      border-radius: var(--border-radius-sm);
      transition: all var(--transition-base);
      font-size: 14px;
    }
    
    nav a:hover {
      background: rgba(255, 215, 0, 0.1);
      color: var(--accent-gold);
    }
    
    /* Hero Section */
    .hero {
      text-align: center;
      padding: var(--spacing-xl) 5%;
      background: linear-gradient(135deg, rgba(26, 26, 46, 0.8), rgba(22, 33, 62, 0.8));
      position: relative;
      z-index: 1;
    }
    
    h1 {
      color: var(--accent-gold);
      font-size: clamp(28px, 5vw, 42px);
      font-weight: 900;
      margin-bottom: var(--spacing-sm);
      font-family: 'Noto Kufi Arabic', sans-serif;
      text-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
    }
    
    .hero-subtitle {
      color: var(--text-secondary);
      font-size: clamp(14px, 2vw, 18px);
      margin-bottom: var(--spacing-lg);
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.8;
    }
    
    /* Statistics Counter */
    .stats-container {
      display: flex;
      gap: var(--spacing-md);
      justify-content: center;
      flex-wrap: wrap;
      margin: var(--spacing-lg) 5%;
      position: relative;
      z-index: 1;
    }
    
    .stat-card {
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(10px);
      border: 2px solid rgba(255, 215, 0, 0.3);
      border-radius: var(--border-radius-lg);
      padding: var(--spacing-md);
      min-width: 200px;
      text-align: center;
      transition: all var(--transition-base);
    }
    
    .stat-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: var(--accent-gold);
    }
    
    .stat-number {
      font-size: 48px;
      font-weight: 900;
      color: var(--accent-gold);
      font-family: 'Noto Kufi Arabic', sans-serif;
      display: block;
      margin-bottom: 8px;
    }
    
    .stat-label {
      color: var(--text-secondary);
      font-size: 16px;
      font-weight: 600;
    }
    
    .stat-icon {
      font-size: 32px;
      margin-bottom: 8px;
      display: block;
    }
    
    .actions {
      display: flex;
      gap: var(--spacing-sm);
      justify-content: center;
      flex-wrap: wrap;
      margin-top: var(--spacing-md);
    }
    
    .btn {
      padding: 12px 24px;
      background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
      color: var(--primary-bg);
      text-decoration: none;
      border-radius: var(--border-radius-md);
      font-weight: 700;
      font-size: 15px;
      transition: all var(--transition-base);
      box-shadow: var(--shadow-md);
      display: inline-block;
      border: none;
      cursor: pointer;
    }
    
    .btn:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-lg);
    }
    
    /* Quick Guide Section */
    .quick-guide {
      background: rgba(255, 215, 0, 0.08);
      border: 2px solid rgba(255, 215, 0, 0.3);
      border-radius: var(--border-radius-xl);
      padding: var(--spacing-lg);
      margin: var(--spacing-lg) 5%;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
      position: relative;
      z-index: 1;
      backdrop-filter: blur(10px);
      box-shadow: var(--shadow-md);
    }
    
    .quick-guide h2 {
      color: var(--accent-gold);
      font-size: 24px;
      margin-bottom: var(--spacing-md);
      font-weight: 800;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    
    .quick-guide h2::before {
      content: '⚡';
      font-size: 28px;
    }
    
    .guide-steps {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    
    .guide-step {
      background: rgba(255, 255, 255, 0.05);
      padding: 16px 20px;
      border-radius: var(--border-radius-md);
      border-right: 4px solid var(--accent-gold);
      cursor: pointer;
      transition: all var(--transition-base);
      display: flex;
      align-items: center;
      gap: 12px;
    }
    
    .guide-step:hover {
      background: rgba(255, 255, 255, 0.1);
      transform: translateX(-8px);
      box-shadow: var(--shadow-md);
      border-right-color: var(--accent-orange);
    }
    
    .guide-step-number {
      color: var(--accent-gold);
      font-weight: 900;
      font-size: 20px;
      min-width: 30px;
      text-align: center;
      background: rgba(255, 215, 0, 0.1);
      border-radius: 50%;
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    
    .guide-step-content {
      flex: 1;
    }
    
    .guide-step-title {
      color: var(--text-primary);
      font-weight: 700;
      font-size: 16px;
      margin-bottom: 4px;
    }
    
    .guide-step-tool {
      color: var(--text-secondary);
      font-size: 14px;
    }
    
    /* Search and Filter Controls */
    .controls {
      padding: var(--spacing-lg) 5%;
      max-width: 1200px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }
    
    /* Search with Suggestions */
    .search-wrapper {
      position: relative;
      max-width: 600px;
      margin: 0 auto var(--spacing-md);
    }
    
    #search {
      width: 100%;
      padding: 16px 20px 16px 48px;
      border: 2px solid rgba(255, 215, 0, 0.3);
      border-radius: var(--border-radius-md);
      font-size: 16px;
      background: rgba(255, 255, 255, 0.05) url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="%23FFD700" stroke-width="2"><circle cx="11" cy="11" r="8"/><path d="m21 21-4.35-4.35"/></svg>') no-repeat 16px center;
      color: var(--text-primary);
      font-family: inherit;
      transition: all var(--transition-base);
    }
    
    #search:focus {
      outline: none;
      border-color: var(--accent-gold);
      box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
    }
    
    #search::placeholder {
      color: var(--text-muted);
    }
    
    #searchSuggestions {
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: rgba(26, 26, 46, 0.98);
      backdrop-filter: blur(20px);
      border: 2px solid rgba(255, 215, 0, 0.3);
      border-top: none;
      border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
      max-height: 300px;
      overflow-y: auto;
      display: none;
      box-shadow: var(--shadow-lg);
      z-index: 10;
    }
    
    #searchSuggestions.active {
      display: block;
    }
    
    .suggestion-item {
      padding: 12px 20px;
      cursor: pointer;
      transition: all var(--transition-base);
      display: flex;
      align-items: center;
      gap: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .suggestion-item:last-child {
      border-bottom: none;
    }
    
    .suggestion-item:hover,
    .suggestion-item.selected {
      background: rgba(255, 215, 0, 0.1);
    }
    
    .suggestion-icon {
      font-size: 20px;
    }
    
    .suggestion-content {
      flex: 1;
    }
    
    .suggestion-name {
      color: var(--text-primary);
      font-weight: 600;
      font-size: 14px;
    }
    
    .suggestion-desc {
      color: var(--text-muted);
      font-size: 12px;
      margin-top: 2px;
    }
    
    /* Category Filters */
    .categories {
      display: flex;
      gap: 12px;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: var(--spacing-lg);
    }
    
    .category-btn {
      padding: 10px 20px;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-secondary);
      border: 2px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--border-radius-md);
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: all var(--transition-base);
      font-family: inherit;
    }
    
    .category-btn:hover {
      background: rgba(255, 215, 0, 0.1);
      border-color: rgba(255, 215, 0, 0.3);
      color: var(--text-primary);
    }
    
    .category-btn.active {
      background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
      color: var(--primary-bg);
      border-color: var(--accent-gold);
      box-shadow: var(--shadow-md);
    }
    
    /* Tool Grid */
    #toolGrid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: var(--spacing-md);
      padding: 0 5%;
      max-width: 1400px;
      margin: 0 auto var(--spacing-xl);
      position: relative;
      z-index: 1;
    }
    
    /* Tool Cards */
    .tool-card {
      background: rgba(255, 255, 255, 0.05);
      backdrop-filter: blur(10px);
      border: 2px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--border-radius-lg);
      padding: var(--spacing-md);
      cursor: pointer;
      transition: all var(--transition-base);
      display: flex;
      flex-direction: column;
      gap: 16px;
      position: relative;
      overflow: hidden;
      animation: fadeInUp 0.5s ease forwards;
      opacity: 0;
    }
    
    @keyframes fadeInUp {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .tool-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--accent-gold), var(--accent-orange));
      transform: scaleX(0);
      transition: transform var(--transition-base);
    }
    
    .tool-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-xl);
      border-color: rgba(255, 215, 0, 0.4);
      background: rgba(255, 255, 255, 0.08);
    }
    
    .tool-card:hover::before {
      transform: scaleX(1);
    }
    
    .tool-card.expanded {
      grid-column: span 2;
    }
    
    .tool-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
    }
    
    .tool-main-content {
      flex: 1;
    }
    
    .tool-card h3 {
      color: var(--text-primary);
      font-size: 20px;
      font-weight: 700;
      margin: 0 0 8px 0;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    
    .tool-card p {
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.6;
      margin: 0;
    }
    
    /* Tool Actions */
    .tool-actions {
      display: flex;
      gap: 8px;
      margin-top: auto;
    }
    
    .tool-action-btn {
      padding: 8px 16px;
      background: rgba(255, 215, 0, 0.1);
      color: var(--accent-gold);
      border: 1px solid rgba(255, 215, 0, 0.3);
      border-radius: var(--border-radius-sm);
      font-size: 13px;
      font-weight: 600;
      cursor: pointer;
      transition: all var(--transition-base);
      flex: 1;
      font-family: inherit;
    }
    
    .tool-action-btn:hover {
      background: rgba(255, 215, 0, 0.2);
      transform: translateY(-2px);
    }
    
    .tool-action-btn.primary {
      background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
      color: var(--primary-bg);
      border-color: var(--accent-gold);
    }
    
    /* Share Button */
    .share-btn {
      background: none;
      border: none;
      color: var(--text-secondary);
      font-size: 20px;
      cursor: pointer;
      padding: 4px;
      transition: all var(--transition-base);
    }
    
    .share-btn:hover {
      color: var(--accent-gold);
      transform: scale(1.2);
    }
    
    /* Expanded Details */
    .tool-expanded-content {
      display: none;
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .tool-card.expanded .tool-expanded-content {
      display: block;
      animation: fadeIn 0.3s ease;
    }
    
    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }
    
    .expanded-section {
      margin-bottom: 16px;
    }
    
    .expanded-section h4 {
      color: var(--accent-gold);
      font-size: 16px;
      margin-bottom: 8px;
      font-weight: 700;
    }
    
    .expanded-section ul {
      list-style: none;
      padding: 0;
    }
    
    .expanded-section li {
      color: var(--text-secondary);
      font-size: 14px;
      padding: 4px 0 4px 20px;
      position: relative;
    }
    
    .expanded-section li::before {
      content: '✓';
      position: absolute;
      left: 0;
      color: var(--accent-green);
      font-weight: bold;
    }
    
    /* Badges */
    .badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: var(--accent-orange);
      color: white;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      box-shadow: var(--shadow-md);
    }
    
    .badge.popular {
      background: linear-gradient(135deg, #ff6b35, #f7931e);
      animation: pulse 2s ease-in-out infinite;
    }
    
    @keyframes pulse {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.05); }
    }
    
    /* Tool Tags */
    .tool-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    
    .tool-tag {
      background: rgba(255, 215, 0, 0.1);
      color: var(--accent-gold);
      padding: 4px 10px;
      border-radius: var(--border-radius-sm);
      font-size: 12px;
      font-weight: 600;
      border: 1px solid rgba(255, 215, 0, 0.2);
    }
    
    /* No Results */
    #noResults {
      display: none;
      text-align: center;
      padding: var(--spacing-xl);
      color: var(--text-secondary);
      position: relative;
      z-index: 1;
    }
    
    #noResults.active {
      display: block;
    }
    
    #noResults h3 {
      color: var(--text-primary);
      font-size: 24px;
      margin-bottom: 12px;
    }
    
    /* Back to Top Button */
    #backToTop {
      position: fixed;
      bottom: 30px;
      left: 30px;
      background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
      color: var(--primary-bg);
      width: 50px;
      height: 50px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 24px;
      box-shadow: var(--shadow-lg);
      opacity: 0;
      visibility: hidden;
      transition: all var(--transition-base);
      z-index: 99;
    }
    
    #backToTop.show {
      opacity: 1;
      visibility: visible;
    }
    
    #backToTop:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-xl);
    }
    
    /* Share Modal */
    #shareModal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.8);
      backdrop-filter: blur(10px);
      z-index: 1000;
      align-items: center;
      justify-content: center;
    }
    
    #shareModal.active {
      display: flex;
    }
    
    .share-modal-content {
      background: var(--secondary-bg);
      border: 2px solid rgba(255, 215, 0, 0.3);
      border-radius: var(--border-radius-xl);
      padding: var(--spacing-lg);
      max-width: 500px;
      width: 90%;
      position: relative;
      animation: slideDown 0.3s ease;
    }
    
    @keyframes slideDown {
      from {
        opacity: 0;
        transform: translateY(-50px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .share-modal-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: var(--spacing-md);
    }
    
    .share-modal-header h3 {
      color: var(--accent-gold);
      font-size: 24px;
      font-weight: 800;
    }
    
    .close-modal {
      background: none;
      border: none;
      color: var(--text-secondary);
      font-size: 28px;
      cursor: pointer;
      transition: all var(--transition-base);
      padding: 0;
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    
    .close-modal:hover {
      color: var(--accent-gold);
      transform: rotate(90deg);
    }
    
    .share-options {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-bottom: var(--spacing-md);
    }
    
    .share-option {
      padding: 16px;
      background: rgba(255, 255, 255, 0.05);
      border: 2px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--border-radius-md);
      cursor: pointer;
      transition: all var(--transition-base);
      text-align: center;
      text-decoration: none;
      color: var(--text-primary);
      font-weight: 600;
    }
    
    .share-option:hover {
      background: rgba(255, 215, 0, 0.1);
      border-color: var(--accent-gold);
      transform: translateY(-3px);
    }
    
    .share-option-icon {
      font-size: 32px;
      margin-bottom: 8px;
      display: block;
    }
    
    .copy-link-section {
      margin-top: var(--spacing-md);
      padding-top: var(--spacing-md);
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .copy-link-input {
      display: flex;
      gap: 8px;
    }
    
    .copy-link-input input {
      flex: 1;
      padding: 12px;
      background: rgba(255, 255, 255, 0.05);
      border: 2px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--border-radius-sm);
      color: var(--text-primary);
      font-family: inherit;
      font-size: 14px;
    }
    
    .copy-link-input input:focus {
      outline: none;
      border-color: var(--accent-gold);
    }
    
    .copy-btn {
      padding: 12px 20px;
      background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
      color: var(--primary-bg);
      border: none;
      border-radius: var(--border-radius-sm);
      font-weight: 700;
      cursor: pointer;
      transition: all var(--transition-base);
      font-family: inherit;
    }
    
    .copy-btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }
    
    .copy-btn.copied {
      background: var(--accent-green);
    }
    
    /* Responsive Design */
    @media (max-width: 768px) {
      header {
        flex-direction: column;
        gap: 16px;
        padding: 16px 5%;
      }
      
      nav {
        width: 100%;
        justify-content: center;
      }
      
      .hero {
        padding: var(--spacing-md) 5%;
      }
      
      h1 {
        font-size: 28px;
      }
      
      .hero-subtitle {
        font-size: 14px;
      }
      
      .stats-container {
        flex-direction: column;
        align-items: center;
      }
      
      .stat-card {
        width: 100%;
        max-width: 300px;
      }
      
      .quick-guide {
        padding: var(--spacing-md);
      }
      
      .quick-guide h2 {
        font-size: 20px;
      }
      
      #toolGrid {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      
      .tool-card.expanded {
        grid-column: span 1;
      }
      
      .categories {
        gap: 8px;
      }
      
      .category-btn {
        padding: 8px 16px;
        font-size: 13px;
      }
      
      #backToTop {
        bottom: 20px;
        left: 20px;
        width: 45px;
        height: 45px;
      }
      
      .share-options {
        grid-template-columns: 1fr;
      }
    }
    
    @media (max-width: 480px) {
      :root {
        --spacing-sm: 12px;
        --spacing-md: 16px;
        --spacing-lg: 24px;
        --spacing-xl: 32px;
      }
      
      .guide-step {
        padding: 12px 16px;
      }
      
      .guide-step-number {
        font-size: 16px;
        width: 32px;
        height: 32px;
      }
      
      .stat-number {
        font-size: 36px;
      }
    }