/* General */
body {
    font-family: 'Roboto', sans-serif;
    background: #f0f2f5;
    color: #333;
  }
  
  /* Sidebar */
  .sidebar {
    min-height: 100vh;
    background: #2c3e50;
    color: white;
    padding-top: 30px;
  }
  
  .sidebar .nav-link {
    color: #ecf0f1;
    font-size: 1.1rem;
    transition: color 0.3s;
  }
  
  .sidebar .nav-link:hover {
    color: #3498db;
  }
  
  .sidebar .nav-link.active {
    background-color: #3498db;
    color: white;
  }
  
  .sidebar .nav-item {
    margin-bottom: 1rem;
  }
  
  .sidebar h4 {
    color: white;
    font-size: 1.75rem;
    font-weight: bold;
    margin-bottom: 30px;
    text-align: center;
  }
  
  /* Main Content */
  .content {
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }
  
  h2 {
    font-size: 2.5rem;
    font-weight: bold;
    color: #2c3e50;
  }
  
  .card {
    border: none;
    border-radius: 8px;
    background-color: #ecf0f1;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
  }
  
  .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
  }
  
  .card-body {
    padding: 2rem;
  }
  
  .card-title {
    font-size: 1.5rem;
    color: #2c3e50;
  }
  
  .card .display-6 {
    font-size: 2.25rem;
    color: #3498db;
    font-weight: bold;
  }
  
  #lineChart {
    max-width: 100%;
    height: 400px;
    margin-top: 30px;
  }
  
 
  #barChart {
    max-width: 100%;
    height: 400px;
    margin-top: 30px;
  }

canvas {
    max-width: 100%;
    height: 400px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    background-color: #fff;
  }
  
  /* Tooltip styling */
  .tooltip {
    font-size: 1rem;
    font-weight: 600;
    background-color: #333;
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
  }
  
  /* Responsive tweaks */
  @media (max-width: 767px) {
    .navbar-nav .nav-link {
      margin-right: 0;
      margin-bottom: 0.5rem;
    }
  
    .content {
      padding: 1rem;
    }
  
    .card-body {
      padding: 1.5rem;
    }
  }
  

  @media (max-width: 1024px) and (min-width: 768px) {
    .sidebar {
      position: fixed;
      width: 60px;
      padding-top: 20px;
      overflow-x: hidden;
      transition: width 0.3s ease;
    }
  
    .sidebar:hover {
      width: 200px;
    }
  
    .sidebar h4 {
      display: none;
    }
  
    .sidebar .nav-link {
      font-size: 0;
      white-space: nowrap;
      overflow: hidden;
    }
  
    .sidebar:hover .nav-link {
      font-size: 1rem;
      padding-left: 10px;
    }
  
    .sidebar .nav-item {
      text-align: center;
    }
  
    .sidebar:hover .nav-item {
      text-align: left;
    }
  }
  /* Mobile Sidebar Toggle */
@media (max-width: 767px) {
    .sidebar {
      position: fixed;
      left: -250px;
      top: 0;
      width: 200px;
      height: 100vh;
      background-color: #2c3e50;
      transition: left 0.3s ease-in-out;
      z-index: 999;
    }
  
    .sidebar.show {
      left: 0;
    }
  
    .toggle-btn {
      position: fixed;
      left: 15px;
      top: 15px;
      background-color: #3498db;
      color: #fff;
      border: none;
      padding: 10px 12px;
      font-size: 1.2rem;
      z-index: 1000;
      border-radius: 4px;
      cursor: pointer;
    }
  
    .content {
      padding: 1rem;
      margin-top: 60px;
    }
  
    .card {
      margin-bottom: 1.5rem;
    }
  
    .card-body {
      padding: 1.25rem;
    }
  }
  
  /* Fluid container */
  .container-fluid {
    padding: 1rem;
  }
  
  /* Make cards stack on smaller screens */
  @media (max-width: 992px) {
    .row .col-md-4,
    .row .col-md-6,
    .row .col-md-3 {
      margin-bottom: 1.5rem;
    }
  }