:root {
    --sm-bg: #f8f9fa;
    --sm-card-border: rgba(0, 0, 0, 0.08);
}

body {
    background: linear-gradient(180deg, #f8f9fa 0%, #eef2f6 100%);
    min-height: 100vh;
}

.card {
    border: 1px solid var(--sm-card-border);
    border-radius: 0.85rem;
}

.table > :not(caption) > * > * {
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.display-6 {
    font-size: 2rem;
    font-weight: 700;
}

#qrcode img {
    max-width: 100%;
    height: auto;
}

.bg-light-subtle {
    background-color: #f8f9fa;
}

.text-light-emphasis {
    color: rgba(255, 255, 255, 0.75);
}