body {
    background-color: #f3f4f6;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.header-section {
    margin-bottom: 3rem;
}

.search-card {
    border-radius: 1rem;
    border: 1px solid #dee2e6;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
}

.report-card {
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    border: 2px solid #e9ecef;
}

.report-header {
    background-color: #212529;
    color: white;
    padding: 2rem;
}

.stat-box {
    background-color: white;
    padding: 1rem;
    border-radius: 0.75rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.sem-card {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    padding: 1rem;
}

.status-badge {
    padding: 0.25rem 1rem;
    border-radius: 50rem;
    font-weight: 800;
    font-size: 0.875rem;
}