.sidebar {
  width: 300px;
  background-color: #e1f3fd;
  padding: 30px;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  border: 3px solid #696f84;
  z-index: 1000;
  transition: transform 0.3s ease;
}

.logo {
  margin-bottom: 30px;
}

.logo img {
  width: 200px;
  height: 100px;
}

.nav-menu {
  font-family: "Roboto";
  list-style: none;
}

.nav-item {
  margin-bottom: 20px;
}

.nav-heading {
  height: 28px;
  font-weight: 450;
}

.nav-link {
  color: #000000;
  text-decoration: none;
  display: flex;
  justify-content: flex-start;
  align-items: first baseline;
  padding: 12px 16px;
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  gap: 15px;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateX(5px);
}

.nav-link.active {
  background: rgba(255, 255, 255, 0.2);
}

.dropdown-toggle {
  cursor: pointer;
}

.nav-item dropdown img {
  vertical-align: middle;
}

.dropdown.open .dropdown-icon {
  transform: rotate(180deg);
}

.dropdown-menu {
  list-style: none;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: rgba(255, 255, 255, 0.1);
  margin-top: 4px;
  border-radius: 0 0 8px 8px;
  padding-left: 20px;
}

.item-arrow {
  margin-right: 6px;
  vertical-align: middle;
}

.dropdown.open .dropdown-menu {
  max-height: 300px;
}

.dropdown-item {
  color: #565656;
  text-decoration: none;
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.3);
  padding-left: 16px;
}

.hamburger {
  display: none;
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 1001;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

@media screen and (max-width: 992px) {
  .sidebar {
    transform: translateX(-100%);
    left: 0;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .hamburger {
    display: block !important;
  }
}

@media screen and (max-width: 768px) {
  .sidebar {
    width: 280px;
  }

  .dropdown-menu {
    padding-left: 16px;
  }
}

@media screen and (max-width: 480px) {
  .logo img {
    width: 100px;
  }

  .dropdown-item {
    font-size: 13px;
    padding: 7px 10px;
  }
}


.social-icons {
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid rgba(0,0,0,0.1);
    display: flex;
    gap: 15px;
    justify-content: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    color: #666;
    font-size: 20px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    transform: translateY(-3px) scale(1.1);
    color: white;
}

.social-link:nth-child(1):hover { background: #E4405F; } 
.social-link:nth-child(2):hover { background: #FF0000; } 
.social-link:nth-child(3):hover { background: #1877F2; }