body {
    background-color: #f8f9fa;
    padding-top: 20px;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

.navbar {
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    border-radius: 0 0 10px 10px;
}

.dashboard-card {
    transition: all 0.3s ease;
    height: 100%;
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    border-top: 4px solid transparent;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.1);
}

.dashboard-card.text-primary {
    border-top-color: #0d6efd;
}
.dashboard-card.text-success {
    border-top-color: #198754;
}
.dashboard-card.text-warning {
    border-top-color: #ffc107;
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.alert {
    border-radius: 8px;
    border-left: 4px solid #198754;
}

@media (max-width: 768px) {
    .dashboard-card {
        margin-bottom: 20px;
    }
}