/* AI Question Generation Styles */

.ai-feature {
    background: linear-gradient(45deg, #007bff, #6f42c1) !important;
    color: white !important;
    border-radius: 5px;
    padding: 8px 15px;
    text-decoration: none;
    transition: all 0.3s;
}

.ai-feature:hover {
    background: linear-gradient(45deg, #0056b3, #5a32a3) !important;
    color: white !important;
    transform: translateY(-1px);
}

.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.075);
    transition: all 0.3s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
}

.custom-file-label::after {
    content: "Browse";
}

.btn-lg {
    padding: 12px 24px;
    font-size: 1.1rem;
}

.progress {
    height: 1rem;
}

.fa-3x {
    font-size: 3rem;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

.text-danger {
    color: #dc3545 !important;
}

.text-primary {
    color: #007bff !important;
}

.text-success {
    color: #28a745 !important;
}

.text-secondary {
    color: #6c757d !important;
}

/* Form styles */
.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}

.custom-file-input:focus ~ .custom-file-label {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}

/* Utility classes */
.mb-4 {
    margin-bottom: 1.5rem !important;
}

.text-center {
    text-align: center !important;
}

.h-100 {
    height: 100% !important;
}

/* Loading animation */
.fa-spinner {
    animation: spin 1s linear infinite;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .btn-lg {
        padding: 10px 20px;
        font-size: 1rem;
    }
    
    .fa-3x {
        font-size: 2rem;
    }
}