#km-zoom-bar {
    position: fixed;
    right: 10px;
    bottom: 10px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 1px;
    padding: 2px;
    border-radius: 6px;
    background: var(--theme-popup-bg, #ffffff);
    border: 1px solid var(--theme-popup-border, #c0c0c0);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
    font-family: inherit;
    line-height: 1;
}
#km-zoom-bar button {
    width: 22px;
    height: 20px;
    padding: 0;
    border: 0;
    border-radius: 4px;
    background: transparent;
    color: var(--fg, inherit);
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
}
#km-zoom-bar button:hover { background: rgba(128, 128, 128, 0.25); }
#km-zoom-bar #km-zoom-reset { font-size: 11px; font-weight: 400; width: auto; padding: 0 3px; }
#km-zoom-bar #km-zoom-val {
    min-width: 32px;
    text-align: center;
    font-size: 10px;
    color: var(--fg, inherit);
    user-select: none;
}