body {
    background-color: #f8f9fa;
}

.welcome-text {
    font-size: 1.1rem;
    color: #262730;
}

.card {
    border: none;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.table {
    background-color: white;
    border-radius: 0.5rem;
    overflow: hidden;
}

.table thead th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
}

.form-select:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}

.btn-outline-secondary:hover {
    background-color: #6c757d;
    color: white;
}

.header-container {
    background-color: white;
    padding: 1rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
}