body {
    background-color: #f8f9fa;
    padding-bottom: 2rem;
}

.card {
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.card-title {
    color: #333;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.nav-tabs .nav-link {
    font-weight: 500;
    color: #6c757d;
    border: none;
    padding: 0.75rem 1.25rem;
    margin-right: 0.5rem;
    border-radius: 8px 8px 0 0;
}

.nav-tabs .nav-link.active {
    color: #0d6efd;
    background-color: #f8f9fa;
    border-bottom: 3px solid #0d6efd;
}

.list-group-item {
    padding: 0.75rem 1.25rem;
    border-left: none;
    border-right: none;
    display: flex;
    align-items: center;
}

.list-group-item:first-child {
    border-top: none;
}

.list-group-item:last-child {
    border-bottom: none;
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-select {
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.btn {
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
}

/* Custom checkbox styling */
.form-check-input {
    width: 1.25em;
    height: 1.25em;
    margin-right: 0.75rem;
}

.form-check-input:checked {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-tabs .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
    
    .card-title {
        font-size: 1.1rem;
    }
    
    .list-group-item {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }
}