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12px;font-size:18px;font-weight:800}.admin-course-preview-player{aspect-ratio:16/9;border:1px solid var(--panel-border);background:#000;border-radius:14px;width:100%;overflow:hidden}.admin-course-preview-player iframe{border:0;width:100%;height:100%;display:block}.admin-course-preview-article{line-height:1.5}.admin-course-preview-placeholder{border:1px dashed var(--panel-border);color:var(--text-secondary);background:#ffffff05;border-radius:14px;padding:14px}.dark-theme.admin-app .workspace-sidebar{--ws-menu-bg:var(--ds-bg-sidebar);--ws-menu-fg:var(--ds-text);--ws-menu-active:#1d202b;--ws-tooltip-bg:#1d202b;box-shadow:0 8px 28px #00000073}.dark-theme.admin-app .workspace-sidebar .workspace-nav-item:not(.workspace-nav-item-active):not(.workspace-nav-item-soon):hover,.dark-theme.admin-app .workspace-shell--collapsed .workspace-sidebar .workspace-nav-item:not(.workspace-nav-item-active):not(.workspace-nav-item-soon):hover{color:var(--ds-text);background:var(--ds-bg-icon-hover)}.dark-theme.admin-app .workspace-sidebar .workspace-nav-item:not(.workspace-nav-item-active):not(.workspace-nav-item-soon):hover .workspace-nav-item-icon-wrap{color:var(--ds-text)}.dark-theme.admin-app .workspace-sidebar .workspace-nav-item-active,.dark-theme.admin-app .workspace-sidebar .workspace-nav-item-active:hover{color:var(--ds-text);background:var(--ws-menu-active)}.dark-theme.admin-app .workspace-sidebar .workspace-nav-item-active .workspace-nav-item-icon-wrap{color:var(--ds-accent)}