/* Boutons de retour : présentation de la notice, commune à toutes les pages. */
:root {
    --back-link-surface: #fff;
    --back-link-hover: #f7f9fc;
    --back-link-text: #111827;
    --back-link-border: rgba(148,163,184,.22);
}
@media (prefers-color-scheme:dark) {
    html:not([data-theme="light"]) {
        --back-link-surface: #111c2e;
        --back-link-hover: #18253a;
        --back-link-text: #e8eef8;
        --back-link-border: rgba(148,163,184,.20);
    }
}
html[data-theme="dark"] {
    --back-link-surface: #111c2e;
    --back-link-hover: #18253a;
    --back-link-text: #e8eef8;
    --back-link-border: rgba(148,163,184,.20);
}
.back-navigation { display:flex; justify-content:flex-start; margin-bottom:18px; }
.back-navigation-link {
    box-sizing:border-box;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:10px 15px;
    border:1px solid var(--back-link-border);
    border-radius:13px;
    background:var(--back-link-surface);
    color:var(--back-link-text);
    font:inherit;
    font-size:1rem;
    font-weight:800;
    text-decoration:none;
}
.back-navigation-link:hover { background:var(--back-link-hover); }
.back-navigation-link .ui-icon { width:1.15em; height:1.15em; flex-shrink:0; }
@media print { .back-navigation { display:none !important; } }