Jassif Team Institution

.image-container {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 20px;
}

.alert-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  color: white;
  font-weight: bold;
  cursor: pointer;
  transition: opacity 0.3s;
}

.btn-success { background: #28a745; }
.btn-info { background: #17a2b8; }
.btn-warning { background: #ffc107; color: #333; }
.btn-danger { background: #dc3545; }
.btn-default { background: #6c757d; }

.loader {
  width: 50px;
  height: 50px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid #3498db;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.topnav {
  background: #2c3e50;
  padding: 15px;
}

.topnav a {
  color: white;
  text-decoration: none;
  padding: 10px 20px;
  transition: background 0.3s;
}

.topnav a:hover {
  background: rgba(255, 255, 255, 0.1);
}

.search-form {
  display: flex;
  max-width: 300px;
  transition: width 0.3s;
}

.search-form:focus-within {
  width: 400px;
}

.search-input {
  flex: 1;
  padding: 12px;
  border: 2px solid #3498db;
  border-right: none;
  border-radius: 5px 0 0 5px;
  outline: none;
  transition: border-color 0.3s;
}

.search-input:focus {
  border-color: #2980b9;
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background: white;
  min-width: 160px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.dropdown-item {
  padding: 12px 16px;
  display: block;
  color: #333;
  text-decoration: none;
}

.dropdown-item:hover {
  background: #f8f9fa;
}

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 60px;
  height: 100vh;
  background: #2c3e50;
  padding-top: 60px;
}

.main-content {
  margin-left: 60px;
  padding: 20px;
}

.sidebar-icon {
  color: white;
  padding: 15px;
  text-align: center;
  display: block;
  transition: background 0.3s;
}

.sidebar-icon:hover {
  background: #34495e;
}