.navbar {
    margin-bottom: 2rem;
}

.card {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-title {
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.student-info-table {
    margin-top: 1rem;
}

.alert {
    margin-top: 1rem;
}

.form-label {
    font-weight: 500;
}

.btn-primary {
    background-color: #3498db;
    border-color: #3498db;
}

.btn-primary:hover {
    background-color: #2980b9;
    border-color: #2980b9;
}

.result-card {
    border-left: 4px solid #3498db;
    margin-bottom: 1rem;
}

.certificate-verify-box {
    background-color: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    margin-top: 2rem;
}