body {
    background: #f8f9fa;
}
.card {
    border-radius: 0.75rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}
h1.display-3 {
    font-weight: 700;
    letter-spacing: 2px;
    color: #2c3e50;
}
h2.display-6 {
    font-weight: 300;
    color: #7f8c8d;
}
.container {
    max-width: 1200px;
}
.answerForm input {
    border-radius: 0.5rem;
}
#logoutBtn {
    border-radius: 2rem;
}