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

.card {
    border: 0;
    border-radius: 0.75rem;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 0.04em;
}

.app-footer {
    font-size: 12px;
    color: #6c757d;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    text-align: center;
    padding: 0.9rem 0 1rem;
    margin-top: 2rem;
}

.app-footer .container {
    max-width: 960px;
}

@media (prefers-color-scheme: dark) {
    .app-footer {
        color: #adb5bd;
        border-top-color: rgba(255, 255, 255, 0.12);
    }
}