body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: #f8f9fa;
}

main {
    flex: 1;
}

.navbar-brand {
    font-size: 1.3rem;
}

.card {
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

.caption-text {
    font-size: 0.95rem;
    line-height: 1.6;
}

.badge {
    font-weight: 500;
}

.form-label {
    font-weight: 500;
    font-size: 0.9rem;
}

.copy-btn {
    font-size: 0.8rem;
}