:root {
    --primary-color: #4a90e2; 
    --secondary-color: #2c3e50;
    --bg-light: #f8f9fa;
    --sidebar-width-collapsed: 65px;
    --sidebar-width-expanded: 250px;
  }

  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
    background-color: var(--bg-light);
  }

  /* تنسيق السايد بار */
  #wrapper {
    overflow-x: hidden;
    height: 100vh;
  }

  #sidebar-wrapper {
    min-height: 100vh;
    width: var(--sidebar-width-collapsed);
    transition: width 0.3s ease;
    position: fixed;
    right: 0;
    top: 0;
    z-index: 1000;
    overflow-x: hidden;
    overflow-y: auto;
  }

  /* توسيع الـ Sidebar عند الـ toggle (not hover) */
  #sidebar-wrapper.expanded {
    width: var(--sidebar-width-expanded);
  }

  /* إخفاء النص عندما يكون مغلق */
  #sidebar-wrapper .menu-text {
    opacity: 0;
    white-space: nowrap;
    transition: opacity 0.3s ease;
    pointer-events: none;
  }

  #sidebar-wrapper.expanded .menu-text {
    opacity: 1;
    pointer-events: auto;
  }

  /* إخفاء العنوان الرئيسي عندما يكون مغلق */
  #sidebar-wrapper .sidebar-heading .logo-text {
    opacity: 0;
    transition: opacity 0.3s ease;
    max-height: 0;
    overflow: hidden;
  }

  #sidebar-wrapper.expanded .sidebar-heading .logo-text {
    opacity: 1;
    max-height: 100px;
  }

  #sidebar-wrapper .sidebar-heading .logo-icon {
    display: block;
    font-size: 1.5rem;
  }

  #sidebar-wrapper.expanded .sidebar-heading .logo-icon {
    display: none;
  }

  #page-content-wrapper {
    min-width: 0;
    width: 100%;
    margin-right: var(--sidebar-width-collapsed);
    transition: margin 0.3s ease;
  }

  #sidebar-wrapper.expanded ~ #page-content-wrapper {
    margin-right: var(--sidebar-width-expanded);
  }

  /* تنسيق أزرار القائمة - RTL */
  #sidebar-wrapper .list-group-item {
    padding: 12px 15px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: row-reverse;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    text-align: right;
    direction: rtl;
  }

  #sidebar-wrapper .list-group-item i {
    min-width: 24px;
    width: 24px;
    text-align: center;
    font-size: 1.1rem;
    flex-shrink: 0;
  }

  #sidebar-wrapper .list-group-item:hover {
    background-color: rgba(255,255,255,0.1) !important;
    border-right: 4px solid var(--primary-color) !important;
  }

  /* تنسيق الكروت */
  .card-box {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid rgba(0,0,0,0.05);
  }

  /* زر القائمة للموبايل */
  .mobile-toggle {
    display: none;
    position: fixed;
    top: 10px;
    right: 10px;
    z-index: 1100;
    background: var(--secondary-color);
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 8px;
    font-size: 1.3rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  }

  /* في الشاشات الصغيرة (موبايل) */
  @media (max-width: 768px) {
    .mobile-toggle {
      display: flex;
      align-items: center;
      justify-content: center;
    }

    #sidebar-wrapper {
      width: 0 !important;
      margin-right: 0;
      overflow-y: hidden;
    }

    #sidebar-wrapper.mobile-open {
      width: var(--sidebar-width-expanded) !important;
      z-index: 1050;
      overflow-y: auto;
      max-height: 100vh;
      padding-bottom: 20px;
    }

    #sidebar-wrapper.mobile-open .menu-text {
      opacity: 1 !important;
    }

    #sidebar-wrapper.mobile-open .sidebar-heading .logo-text {
      display: block !important;
      opacity: 1 !important;
      max-height: none !important;
    }

    #sidebar-wrapper.mobile-open .sidebar-heading .logo-icon {
      display: none !important;
    }

    #page-content-wrapper {
      margin-right: 0 !important;
    }

    /* خلفية معتمة عند فتح القائمة */
    .sidebar-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0,0,0,0.5);
      z-index: 999;
    }

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

    /* إخفاء الـ navbar toggle القديم */
    #menu-toggle {
      display: none !important;
    }
  }

  /* شاشات كبيرة - إخفاء زر الموبايل */
  @media (min-width: 769px) {
    .mobile-toggle {
      display: none !important;
    }
  }

  /* Toast Animations */
  @keyframes slideUp {
    from {
      transform: translateX(-50%) translateY(20px);
      opacity: 0;
    }
    to {
      transform: translateX(-50%) translateY(0);
      opacity: 1;
    }
  }

  @keyframes slideDown {
    from {
      transform: translateX(-50%) translateY(0);
      opacity: 1;
    }
    to {
      transform: translateX(-50%) translateY(20px);
      opacity: 0;
    }
  }