.question-nav {
    clear: both;
    display: flex;
    justify-content: flex-end;
    padding: 6px 5px;
}
.question-nav a {
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 20px;
    border-radius: 4px;
    background: #0044cc;
    color: #fff;
    font: 600 16px/1.5 Arial, sans-serif;
    text-align: center;
    text-decoration: none;
}
.question-nav a:hover { background: #003399; color: #fff; }
.question-nav a:focus-visible { outline: 3px solid #222522; outline-offset: 3px; }
#br_pr.question-toolbar { align-items: center; gap: 12px; }
.question-toolbar .breadcrumbs { flex: 1; min-width: 0; }
.question-toolbar .question-nav { order: 1; flex: none; padding: 0; }
.question-toolbar .icon-print { order: 2; flex: 0 0 70px; }
.question-floating { display: none; }
@media (max-width: 800px) {
    .question-nav { justify-content: stretch; padding: 12px 16px; background: #f5f5f5; }
    .question-nav a { width: 100%; }
    #br_pr.question-toolbar { flex-wrap: wrap; }
    .question-toolbar .question-nav { order: -1; flex: 1 0 100%; padding: 12px 16px; box-sizing: border-box; }
    .question-floating {
        position: fixed;
        right: 16px;
        bottom: calc(12px + env(safe-area-inset-bottom, 0px));
        left: 16px;
        z-index: 1000;
        display: flex;
        padding: 0;
        background: transparent;
        visibility: hidden;
        opacity: 0;
        transform: translateY(12px);
        transition: opacity 180ms ease-out, transform 180ms ease-out, visibility 180ms;
    }
    .question-floating a { box-shadow: 0 4px 16px rgba(0, 35, 100, .25); }
    .question-floating.is-visible { visibility: visible; opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) { .question-floating { transition: none; transform: none; } }
@media print { .question-nav { display: none; } }