body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f7fa;
    margin: 0;
    padding: 0;
  }
  
  .dashboard-container {
    display: flex;
    height: 100vh;
  }
  
  .sidebar {
    width: 180px;
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 20px;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.2);
  }
  
  .logo img {
    width: 80%;
    margin: 20px 0;
    cursor: pointer;
    transition: transform 0.3s ease;
  }
  
  .menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .menu li {
    margin: 15px 0;
  }
  
  .menu a {
    color: #ecf0f1;
    text-decoration: none;
    font-size: 14px;
    display: flex;
    align-items: center;
    padding: 12px;
    border-radius: 5px;
    transition: background-color 0.3s ease, transform 0.2s ease;
  }
  
  .menu a i {
    margin-right: 10px;
  }
  
  .menu a.active, .menu a:hover {
    background-color: #2980b9;
  }
.main-content {
    flex-grow: 1; 
    padding: 30px;
    background-color: #f4f7fa;
    overflow-y: auto;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

header img {
    width: 40px;
    border-radius: 50%;
    cursor: pointer;
}

.control-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 25px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.control-btn:hover {
    background-color: #2980b9;
}

.filter-section {
    display: flex;
    flex-wrap: wrap;
    gap: 15px; 
    margin-bottom: 20px;
}

.filter {
    display: flex;
    align-items: center;
}

.filter label {
    margin-right: 10px;
    font-weight: bold; 
}

.filter select {
    padding: 8px;
    border-radius: 5px;
    border: 1px solid #ddd;
    transition: border-color 0.3s ease;
}

.filter select:focus {
    border-color: #3498db;
}

.exam-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 16px;
    text-align: left;
}

.exam-table th,
.exam-table td {
    padding: 12px 15px; 
    border: 1px solid #ddd;
    transition: background-color 0.3s ease-in-out;
}

.exam-table th {
    background: linear-gradient(45deg, #ce9fcf,  #d5dade);
    color: rgb(22, 21, 21);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.exam-table td {
    background-color: #fff;
    color: #333;
}

.status {
    padding: 4px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 0.05em;
}

.status.active {
    background-color: #27ae60;
    color: white;
}

.status.hidden {
    background-color: #e74c3c;
    color: white;
}