.page-back-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.btn-back-nav {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.9rem;
    border: 1px solid var(--color-primary, #126B85);
    border-radius: 999px;
    background: #fff;
    color: var(--color-primary, #126B85);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(18, 107, 133, 0.12);
    transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.btn-back-nav:hover,
.btn-back-nav:focus-visible {
    background: var(--color-primary, #126B85);
    border-color: var(--color-primary, #126B85);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(18, 107, 133, 0.22);
}

.btn-back-nav .bi {
    font-size: 1rem;
    line-height: 1;
}

.page-back-nav__current {
    font-size: 0.95rem;
    font-weight: 500;
    color: #4a5f55;
    line-height: 1.35;
    padding: 0.25rem 0;
}

.page-back-nav__current::before {
    content: "/";
    margin: 0 0.35rem 0 0.15rem;
    color: #9eb8cc;
    font-weight: 400;
}

[data-theme="dark"] .btn-back-nav {
    background: rgba(255, 255, 255, 0.08);
    color: #b8dfe8;
    border-color: rgba(184, 223, 232, 0.45);
}

[data-theme="dark"] .btn-back-nav:hover,
[data-theme="dark"] .btn-back-nav:focus-visible {
    background: var(--color-primary, #126B85);
    color: #fff;
}

[data-theme="dark"] .page-back-nav__current {
    color: rgba(255, 255, 255, 0.75);
}