body {
  background-color: #f8f9fa;
  font-family: Arial, sans-serif;
}

.login-container {
  text-align: center;
  width: 300px;
  margin: 100px auto;
  padding: 20px;
  background: white;
  border-radius: 8px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
}

.login-logo {
  width: 150px;
  margin-bottom: 15px;
  border-radius: 8px; 
}

.header {
  display: flex;
  justify-content: space-between;
  padding: 10px;
  background: #007bff;
  color: white;
}

.profile-menu {
  position: relative;
}

.profile-icon {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
}

.profile-dropdown {
  position: absolute;
  top: 40px;
  right: 10px;
  background: white;
  padding: 10px;
  box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.1);
  border-radius: 5px;
  z-index: 10;
}

.presence-cell {
  padding: 4px;
  border-radius: 4px;
  min-height: 25px;
}

.presence-disabled {
  background-color: #e0e0e0;
  color: #aaa;
  cursor: not-allowed;
}

.presence-absent {
  background-color: #f8d7da;
  cursor: pointer;
}

.presence-present {
  background-color: #d4edda;
  cursor: pointer;
}