:root {
    --itg-blue: #0A438A;
    --itg-orange: #F68B1F;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f5f6fa;
    font-size: 14px;
}

.stat-card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
}

.card {
    border-radius: 10px;
    border: 1px solid #e0e0e0;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.card-header {
    border-radius: 10px 10px 0 0 !important;
    font-weight: 600;
    font-size: 0.9rem;
}

.navbar {
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.navbar-brand {
    font-weight: 700;
}

.btn {
    border-radius: 8px;
    font-weight: 500;
}

.flash-alert {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: #6c757d;
    border-bottom: 2px solid var(--itg-blue);
}

.table td {
    vertical-align: middle;
}

.form-control:focus, .form-select:focus {
    border-color: var(--itg-blue);
    box-shadow: 0 0 0 0.2rem rgba(10, 67, 138, 0.15);
}

@media (max-width: 576px) {
    .container-fluid {
        padding-left: 10px;
        padding-right: 10px;
    }

    h4 {
        font-size: 1.1rem;
    }

    .card-body {
        padding: 0.75rem;
    }
}