.profile-completion {
    background: linear-gradient(90deg, #28a745 0%, #20c997 100%);
    border-radius: 5px;
    padding: 1rem;
    color: white;
    margin-bottom: 2rem;
}

.profile-stats {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 5px;
    padding: 2rem;
    color: white;
    margin-bottom: 2rem;
} 

.completion-progress {
    background: linear-gradient(90deg, #28a745, #20c997);
    height: 8px;
    border-radius: 5px; 
}
    .profile-completion {
    background: linear-gradient(90deg, #28a745 0%, #20c997 100%);
    border-radius: 10px;
    padding: 1rem;
    color: white;
    margin-bottom: 2rem;
}

.profile-stats {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 5px;
    padding: 2rem;
    color: white;
    margin-bottom: 2rem;
}

.activity-card {
    border-left: 4px solid #007bff;
    padding: 1rem;
    margin-bottom: 1rem;
    background: #f8f9fa;
    border-radius: 5px;
}

.session-card {
    border: 1px solid #dee2e6;
    border-radius: 5px;
    padding: 1rem;
    margin-bottom: 1rem;
    background: white;
}

.session-card.current {
    border-color: #28a745;
    background: #f8fff8;
}

.avatar-upload {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.avatar-upload:hover .avatar-overlay {
    opacity: 1;
}

.avatar-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: 50%;
}

.role-badge {
    background: linear-gradient(45deg, #007bff, #0056b3);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-size: 0.875rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    display: inline-block;
}

.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 5px 5px 0 0;
}

.btn-gradient {
    background: linear-gradient(45deg, #007bff, #0056b3);
    border: none;
    color: white; 
}

.btn-gradient:hover {
    background: linear-gradient(45deg, #0056b3, #004085);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.card-modern {
    border: none;
    border-radius: 5px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); 
}

.card-modern:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}