.fd-nav-save-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 16px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.fd-nav-save-overlay.open {
    opacity: 1;
}

.fd-nav-save-modal {
    background: var(--fd-surface);
    border-radius: 16px;
    padding: 32px 28px 24px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.04);
    transform: translateY(12px) scale(0.97);
    transition: transform 0.2s ease;
}

.fd-nav-save-overlay.open .fd-nav-save-modal {
    transform: translateY(0) scale(1);
}

.fd-nav-save-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--fd-warning-bg);
    color: var(--fd-warning);
    margin: 0 auto 16px;
}

.fd-nav-save-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--fd-text);
    margin: 0 0 8px;
}

.fd-nav-save-message {
    font-size: 14px;
    color: var(--fd-text-secondary);
    line-height: 1.6;
    margin: 0 0 24px;
}

.fd-nav-save-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.fd-nav-save-btn {
    width: 100%;
    padding: 11px 16px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.fd-nav-save-btn:hover:not(:disabled) {
    transform: translateY(-1px);
}

.fd-nav-save-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.fd-nav-save-stay {
    background: var(--fd-bg-secondary);
    color: var(--fd-text-secondary);
}

.fd-nav-save-stay:hover:not(:disabled) {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.fd-nav-save-retry {
    background: var(--fd-primary, #0088cc);
    color: #fff;
}

.fd-nav-save-retry:hover:not(:disabled) {
    box-shadow: 0 2px 8px rgba(0, 136, 204, 0.3);
}

.fd-nav-save-leave {
    background: transparent;
    color: var(--fd-text-muted);
    font-weight: 500;
    font-size: 13px;
    padding: 8px 16px;
}

.fd-nav-save-leave:hover:not(:disabled) {
    color: var(--fd-danger);
    transform: none;
}

body[data-fd-nav-saving="true"] .with-sidebar-layout,
body[data-fd-nav-saving="true"] #burgerMenuPanel {
    cursor: wait;
}

@media (min-width: 480px) {
    .fd-nav-save-actions {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .fd-nav-save-retry {
        order: 1;
        flex: 1;
    }

    .fd-nav-save-stay {
        order: 2;
        flex: 1;
    }

    .fd-nav-save-leave {
        order: 3;
        flex: 1 1 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .fd-nav-save-overlay,
    .fd-nav-save-modal,
    .fd-nav-save-btn {
        transition: none;
    }
}