/* НеЧат — Выезжающая панель */
.side-panel {
    width: 0;
    overflow: hidden;
    background: var(--panel-bg);
    border-radius: var(--radius);
    box-shadow: 4px 0 24px rgba(0,0,0,0.12);
    z-index: 50;
    display: none;
    flex-direction: column;
    transition: width 0.2s ease;
    flex-shrink: 0;
}
.side-panel.open {
    width: 320px;
    min-width: 320px;
    display: flex;
}
.panel-content {
    flex: 1;
    overflow-y: auto;
}