body {
    font-family: 'Arial', sans-serif;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
}

main {
    margin-top: 20px;
    padding: 20px;
}

h2 {
    font-size: 2rem;
    font-weight: bold;
}

/* Accessibility */
a:focus, button:focus {
    outline: 2px dashed #007bff;
    outline-offset: 2px;
}

/* Input Group Styling */
.input-group {
    width: 100%;
    max-width: 800px;
}

.input-group .form-control, .input-group .form-select {
    border-radius: 0;
    border: 2px solid #007bff;
    transition: border-color 0.3s;
}

.input-group .form-control:focus, .input-group .form-select:focus {
    border-color: #0056b3;
}

.input-group .input-group-append .btn {
    border: 2px solid #007bff;
    border-left: none;
    transition: background-color 0.3s, border-color 0.3s;
}

.input-group .input-group-append .btn:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

/* Table Styling */
.table {
    border-collapse: collapse;
    width: 100%;
    margin-top: 20px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s;
}

.table th, .table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.table th {
    background-color: #007bff;
    color: white;
}

.table tr:hover {
    transform: translateY(-2px);
    background-color: #f1f1f1;
}

/* Loading Spinner Styling */
.spinner-border {
    display: inline-block;
    width: 3rem;
    height: 3rem;
    vertical-align: text-bottom;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* Screen Reader Live Region */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

/* Responsive Styling */
@media (max-width: 768px) {
    h2 {
        font-size: 1.5rem;
    }

    .input-group {
        flex-direction: column;
    }

    .input-group .form-control, .input-group .form-select, .input-group .input-group-append {
        width: 100%;
        border-radius: 0;
    }

    .input-group .input-group-append .btn {
        width: 100%;
        border-radius: 0;
    }
}
a