@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
  @import url('https://unpkg.com/boxicons@2.1.4/css/boxicons.min.css');

  :root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.10);
    --accent-purple: #6C63FF;
    --accent-cyan: #00D4FF;
    --accent-green: #00FF88;
    --accent-amber: #FFB347;
    --accent-red: #FF4757;
    --text-primary: #F0F0F8;
    --text-muted: #8888AA;
    --font-family: 'Inter', sans-serif;
  }

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

  html {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
  }
  body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
  }
  body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-family);
  }

  /* Glassmorphism Classes */
  .glass-card {
    background: var(--glass-bg);
    /* backdrop-filter removed to fix Chrome clipping bug with absolute popups */
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  }

  h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; margin-bottom: 16px; }
  p { line-height: 1.6; color: var(--text-muted); margin-bottom: 16px; }
  
  .btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-family);
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .btn:hover { background: rgba(255,255,255,0.1); }
  .btn-primary { background: var(--accent-purple); border-color: var(--accent-purple); }
  .btn-primary:hover { background: #5a52d9; }
  
  input, select, textarea {
    width: 100%; background: rgba(0,0,0,0.2); border: 1px solid var(--glass-border);
    color: var(--text-primary); padding: 12px 16px; border-radius: 8px; margin-bottom: 16px;
    font-family: var(--font-family);
  }
  input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent-purple); }
  
  option { background: var(--bg-secondary); color: var(--text-primary); }

  .badge { padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
  .badge-green { background: rgba(0, 255, 136, 0.1); color: var(--accent-green); border: 1px solid var(--accent-green); }
  .badge-amber { background: rgba(255, 179, 71, 0.1); color: var(--accent-amber); border: 1px solid var(--accent-amber); }
  .badge-red { background: rgba(255, 71, 87, 0.1); color: var(--accent-red); border: 1px solid var(--accent-red); }

  .grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 24px; }
  .grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
  .grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
  
  .app-container { display: flex; width: 100%; height: 100%; overflow: hidden; }
  .sidebar { width: 260px; min-height: 0; background: var(--bg-secondary); border-right: 1px solid var(--glass-border); display: flex; flex-direction: column; flex-shrink: 0; padding: 24px; overflow-y: auto; }
  .main-content { flex: 1; min-width: 0; overflow-y: auto; padding: 32px; position: relative; }

  .nav-menu { list-style: none; margin-top: 0; flex: 1; overflow-y: auto; padding-right: 8px; }
  .nav-menu::-webkit-scrollbar { width: 6px; }
  .nav-menu::-webkit-scrollbar-track { background: transparent; }
  .nav-menu::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
  .nav-menu::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }
  .nav-item { padding: 10px 16px; margin-bottom: 4px; border-radius: 8px; cursor: pointer; display: flex; align-items: center; gap: 12px; color: var(--text-muted); font-weight: 500; transition: all 0.3s; border-left: 4px solid transparent; }
  .nav-item i { font-size: 20px; width: 24px; text-align: center; display: inline-block; flex-shrink: 0; }
  .nav-item:hover, .nav-item.active { background: var(--glass-bg); color: var(--text-primary); }
  .nav-item.active { border-left: 4px solid var(--accent-purple); }
  
  .progress-ring { position: relative; width: 120px; height: 120px; border-radius: 50%; background: conic-gradient(var(--accent-purple) var(--progress), var(--glass-bg) 0deg); display: flex; align-items: center; justify-content: center; }
  .progress-ring::before { content: ""; position: absolute; inset: 10px; border-radius: 50%; background: var(--bg-secondary); }
  .progress-value { position: relative; font-size: 24px; font-weight: 700; }

  #loader { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: var(--bg-primary); z-index: 9999; display: flex; align-items: center; justify-content: center; }
  .spinner { width: 50px; height: 50px; border: 4px solid var(--glass-border); border-top-color: var(--accent-purple); border-radius: 50%; animation: spin 1s linear infinite; }
  @keyframes spin { to { transform: rotate(360deg); } }

  .modal-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; z-index: 1000; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
  .modal-overlay.active { opacity: 1; pointer-events: all; }
  .modal-content { max-width: 600px; width: 90%; max-height: 90vh; overflow-y: auto; background: var(--bg-secondary); padding: 32px; border-radius: 16px; position: relative; border: 1px solid var(--glass-border); }
  .modal-close { position: absolute; top: 16px; right: 16px; cursor: pointer; font-size: 24px; }
  
  table { width: 100%; border-collapse: collapse; margin-top: 16px; }
  th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(--glass-border); }
  th { color: var(--text-muted); font-weight: 500; }
  
  /* Toast Notifications */
  #toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 12px; }
  .toast { min-width: 300px; background: var(--bg-secondary); border: 1px solid var(--glass-border); border-left: 4px solid var(--accent-purple); color: var(--text-primary); padding: 16px 24px; border-radius: 8px; box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37); display: flex; align-items: center; gap: 12px; transform: translateX(120%); transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
  .toast.show { transform: translateX(0); }
  .toast.success { border-left-color: var(--accent-green); }
  .toast.success i { color: var(--accent-green); }
  .toast.error { border-left-color: var(--accent-red); }
  .toast.error i { color: var(--accent-red); }
  .toast.info { border-left-color: var(--accent-cyan); }
  .toast.info i { color: var(--accent-cyan); }
  
  /* Dropdown Menus */
  .client-menu {
    background: #1a1a24 !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  /* Global Scrollbar Customization */
  ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }
  ::-webkit-scrollbar-track {
    background: var(--bg-primary);
  }
  ::-webkit-scrollbar-thumb {
    background: rgba(108, 99, 255, 0.25);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
  }
  ::-webkit-scrollbar-thumb:hover {
    background: rgba(108, 99, 255, 0.45);
  }

  /* Firefox Scrollbar Support */
  * {
    scrollbar-width: thin;
    scrollbar-color: rgba(108, 99, 255, 0.25) var(--bg-primary);
  }

  /* ====================================================
     Responsive Styles
  ==================================================== */

  .mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 28px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
  }

  @media (max-width: 1024px) {
    .grid-4, .grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
  }

  @media (max-width: 768px) {
    .sidebar {
      position: fixed;
      top: 0;
      left: -280px;
      width: 260px;
      height: 100%;
      z-index: 10000;
      transition: left 0.3s ease;
      background: var(--bg-primary);
      box-shadow: 4px 0 24px rgba(0,0,0,0.5);
    }
    .sidebar.active {
      left: 0;
    }
    #sidebar-overlay, .sidebar-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(0,0,0,0.5);
      backdrop-filter: blur(2px);
      z-index: 9999;
    }
    #sidebar-overlay.active, .sidebar-overlay.active {
      display: block;
    }
    .main-content {
      padding: 20px;
    }
    .grid-2, .grid-3, .grid-4 {
      grid-template-columns: 1fr;
    }
    .mobile-menu-toggle {
      display: flex;
    }
    
    /* Adjust specific elements */
    #notif-dropdown {
      width: 280px !important;
      right: -60px !important;
    }
    .glass-card {
      padding: 16px;
    }
    #copilot-widget {
      bottom: 20px !important;
      right: 20px !important;
    }
    #copilot-chat-window {
      width: 90vw !important;
      height: 60vh !important;
      bottom: 70px !important;
      right: -10px !important;
    }
    .btn {
      padding: 8px 14px;
      font-size: 13px;
    }
  }