:root {
            --primary-color: #0D6EFD;
            --secondary-color: #A3D4D3;
            --accent-color: #FFC107;
            --text-color: #212529;
            --light-bg: #F8F9FA;
            --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition-speed: 0.3s;
        }

        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--light-bg);
            color: var(--text-color);
        }

        .btn-custom {
            transition: background-color 0.3s, transform 0.2s, color 0.3s;
        }

        .btn-custom:hover {
            background-color: #FFC107;
            color: black;
            transform: scale(1.05);
        }

        .navbar .btn-custom {
            margin: 0 5px;
        }
        a.card {
            text-decoration: none;
            background-color: #A3D4D3;
            color: inherit;
            transition: background-color 0.3s, transform 0.2s, color 0.3s;
        }

        a.card:hover {
            background-color: #FFC107;
            color: black;
            transform: scale(1.02);
        }

        a.card:hover .card-title,
        a.card:hover .card-text {
            color: black;
        }

        a.nav-link {
            color: blue;
            transition: color 0.3s;
        }

        a.nav-link:hover {
            color: red;
            text-decoration: none;
        }

        h1, h2, h3, h4, h5, h6 {
            color: #333;
            text-align: center;
        }


        .tdright {
            text-align: right;
        }
        
        th, td {
    padding: 5px;
}
        /* Footer */
        footer {
            margin-top: 2rem 0;
            padding: 0.8rem 0;
            background-color: white;
            box-shadow: 0 -2px 10px rgba(70, 63, 63, 0.63);
        }

        footer a {
            transition: color var(--transition-speed) ease;
        }

        footer a:hover {
            color: var(--accent-color);
        }

        header {
            margin-top: 2rem 0;
            padding: 0.8rem 0;
            background-color: white;
            box-shadow: 0 -2px 10px rgba(70, 63, 63, 0.63);
        }