/* ---------------------------------------------------------
   sidebar.css — schmale dunkle linke Sidebar
--------------------------------------------------------- */
.sidebar {
    width: var(--sidebar-w);
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 18px 0;
    gap: 6px;
    flex-shrink: 0;
}
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 39;
}
.sidebar-icon {
    color: var(--sidebar-mute);
    cursor: pointer;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background .15s, color .15s;
}
.sidebar-icon:hover {
    color: var(--sidebar-ink);
    background: rgba(255,255,255,.05);
}
.sidebar-icon.active {
    color: var(--sidebar-ink);
    background: rgba(255,255,255,.08);
}