.workspace-header{display:flex;align-items:center;justify-content:space-between;padding:32px var(--spacing-lg) var(--spacing-md) var(--spacing-lg);cursor:pointer;transition:background var(--transition-fast)}.workspace-header:hover{background:var(--sidebar-bg-hover)}.workspace-info{display:flex;align-items:center;justify-content:flex-start;width:100%;gap:12px;min-width:0}.workspace-brand-mark{width:44px;height:44px;border-radius:14px;flex-shrink:0;display:flex;align-items:center;justify-content:center}.workspace-logo{width:28px;height:28px;object-fit:contain;flex-shrink:0;margin-top:0}.workspace-brand-copy{min-width:0;flex:1;display:flex;flex-direction:column;gap:6px}.workspace-name{font-weight:var(--font-weight-bold);font-size:var(--font-size-2xl);line-height:1.05;color:var(--sidebar-text-bright);display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;text-overflow:clip;white-space:normal;overflow-wrap:break-word;text-wrap:balance}.workspace-subtitle{font-family:var(--font-label, var(--font-family));font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);line-height:1.35;letter-spacing:.16em;text-transform:uppercase;color:var(--sidebar-text-muted, var(--sidebar-text));display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;white-space:normal;overflow-wrap:break-word;text-wrap:balance}.workspace-dropdown{color:var(--sidebar-text);font-size:10px;margin-left:2px}.workspace-actions{display:flex;gap:var(--spacing-xs)}.workspace-action-btn{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-sm);color:var(--sidebar-text);transition:all var(--transition-fast)}.workspace-action-btn:hover{background:#ffffff1a;color:var(--sidebar-text-bright)}.sidebar-nav{padding:var(--spacing-sm) 0}.nav-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:4px var(--spacing-lg);color:var(--sidebar-text);font-size:var(--font-size-lg);cursor:pointer;transition:background var(--transition-fast);height:28px}.nav-item:hover{background:var(--sidebar-bg-hover)}.nav-item.active{background:var(--sidebar-bg-active);color:var(--sidebar-text-bright)}.nav-item .nav-icon{width:16px;height:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0;opacity:.7}.nav-item .nav-icon svg{width:16px;height:16px}.nav-item .nav-label{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-item .nav-badge{margin-left:auto}.sidebar-divider{height:1px;background:var(--sidebar-divider);margin:var(--spacing-sm) var(--spacing-lg)}.sidebar-section{padding:var(--spacing-xs) 0}.section-header{display:flex;align-items:center;padding:4px var(--spacing-lg);cursor:pointer;color:var(--sidebar-text);font-size:var(--font-size-lg);transition:background var(--transition-fast);height:26px;user-select:none}.section-header:hover{background:var(--sidebar-bg-hover)}.section-toggle{width:16px;height:16px;display:flex;align-items:center;justify-content:center;margin-right:var(--spacing-xs);transition:transform var(--transition-fast);color:currentColor}.section-toggle.collapsed{transform:rotate(-90deg)}.section-title{font-weight:var(--font-weight-medium);text-transform:none;letter-spacing:0;flex:1}.section-action{width:20px;height:20px;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-sm);color:var(--sidebar-text);opacity:0;transition:all var(--transition-fast);font-size:16px}.section-header:hover .section-action{opacity:1}.section-action:hover{background:#ffffff1a;color:var(--sidebar-text-bright)}.section-list{overflow:hidden;transition:max-height var(--transition-slow)}.section-list.collapsed{max-height:0!important}.channel-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:4px var(--spacing-lg) 4px 28px;color:var(--sidebar-text);font-size:var(--font-size-lg);cursor:pointer;transition:background var(--transition-fast);height:28px}.channel-item:hover{background:var(--sidebar-bg-hover)}.channel-item.active{background:var(--sidebar-bg-active);color:var(--sidebar-text-bright)}.channel-branch{display:block}.channel-item--group{padding-left:20px}.channel-item--child{padding-left:50px}.channel-item--readonly{opacity:.92}.channel-item--readonly .channel-name{font-weight:var(--font-weight-semibold)}.channel-children{overflow:hidden}.channel-children.collapsed{display:none}.channel-group-toggle,.channel-group-toggle-placeholder{width:16px;height:16px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.channel-group-toggle{background:transparent;border:none;color:currentColor;opacity:.72;padding:0;transition:transform var(--transition-fast),opacity var(--transition-fast)}.channel-group-toggle:hover{opacity:1}.channel-group-toggle.collapsed{transform:rotate(-90deg)}.toggle-icon-svg{width:100%;height:100%;display:block;fill:currentColor;pointer-events:none}.channel-item.unread{color:var(--sidebar-text-bright);font-weight:var(--font-weight-bold)}.channel-icon{font-size:var(--font-size-base);opacity:.7;flex-shrink:0;width:16px;text-align:center}.channel-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.channel-meta-badge{font-size:10px;line-height:1;text-transform:uppercase;letter-spacing:.08em;color:var(--sidebar-text);opacity:.68}.channel-empty-state{padding:8px 28px;color:var(--sidebar-text);opacity:.72;font-size:var(--font-size-base)}.channel-badge{margin-left:auto}.dm-search{position:relative;padding:6px 12px 8px}.dm-search-input{width:100%;height:28px;padding:0 28px 0 10px;border-radius:var(--border-radius-sm, 6px);border:1px solid var(--border-color, rgba(255, 255, 255, .12));background:var(--sidebar-bg-hover, rgba(255, 255, 255, .05));color:var(--sidebar-text-bright, #fff);font-size:var(--font-size-base, 13px);outline:none;transition:border-color var(--transition-fast),background var(--transition-fast);box-sizing:border-box}.dm-search-input::placeholder{color:var(--sidebar-text);opacity:.6}.dm-search-input:focus{border-color:var(--accent-color, #00a2c7);background:#ffffff14}.dm-search-clear{position:absolute;top:50%;right:18px;transform:translateY(-50%);width:18px;height:18px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:transparent;border:none;color:var(--sidebar-text);opacity:.7;cursor:pointer;font-size:11px;line-height:1;padding:0}.dm-search-clear:hover{background:#ffffff1f;color:var(--sidebar-text-bright);opacity:1}.dm-empty-state{padding:8px 14px;color:var(--sidebar-text);opacity:.65;font-size:var(--font-size-base);font-style:italic}.dm-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:4px var(--spacing-lg) 4px 20px;color:var(--sidebar-text);font-size:var(--font-size-lg);cursor:pointer;transition:background var(--transition-fast);height:28px}.dm-item:hover{background:var(--sidebar-bg-hover)}.dm-item.active{background:var(--sidebar-bg-active);color:var(--sidebar-text-bright)}.dm-item.unread{color:var(--sidebar-text-bright);font-weight:var(--font-weight-bold)}.dm-avatar{position:relative;flex-shrink:0}.dm-avatar img,.dm-avatar .avatar-placeholder{width:var(--avatar-size-sm);height:var(--avatar-size-sm);border-radius:var(--border-radius-sm);object-fit:cover}.avatar-placeholder{display:flex;align-items:center;justify-content:center;font-weight:var(--font-weight-bold);font-size:10px;color:#fff}.dm-status{position:absolute;bottom:-1px;right:-1px;width:8px;height:8px;border-radius:50%;border:1.5px solid var(--sidebar-bg)}.dm-status.online{background:var(--status-online)}.dm-status.away{background:var(--status-away)}.dm-status.dnd{background:var(--status-dnd)}.dm-status.oncall{background:var(--status-oncall)}.dm-status.offline{background:transparent;border:1.5px solid var(--status-offline)}.sidebar-user-panel{border-top:1px solid var(--sidebar-divider);position:relative}.user-panel-main{display:flex;align-items:center;gap:10px;padding:10px var(--spacing-lg);cursor:pointer;transition:background .15s}.user-panel-main:hover{background:var(--sidebar-bg-hover)}.user-panel-info{flex:1;min-width:0}.user-panel-name{font-weight:var(--font-weight-bold);font-size:13px;color:var(--sidebar-text-bright);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-panel-status{font-size:11px;color:var(--sidebar-text);margin-top:1px}.user-panel-menu-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-sm);color:var(--sidebar-text);font-size:16px;transition:all .15s;opacity:0}.user-panel-main:hover .user-panel-menu-btn{opacity:1}.user-panel-menu-btn:hover{background:#ffffff1a;color:var(--sidebar-text-bright)}.user-panel-popup{position:absolute;bottom:100%;left:8px;right:8px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;box-shadow:0 8px 32px #0006;z-index:200;overflow:hidden;animation:scaleIn .12s ease;margin-bottom:4px}.user-panel-popup-section{padding:6px 0}.user-panel-popup-label{font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;padding:6px 14px 4px}.user-panel-popup-divider{height:1px;background:var(--border-color);margin:2px 0}.user-panel-popup-item{display:flex;align-items:center;gap:8px;padding:8px 14px;font-size:13px;color:var(--text-secondary);cursor:pointer;transition:background .1s}.user-panel-popup-item:hover{background:var(--sidebar-bg-hover);color:var(--text-bright)}.user-panel-popup-item.danger{color:#ff6b8a}.user-panel-popup-item.danger:hover{background:#e01e5a1a}.avatar-color-grid{display:flex;flex-wrap:wrap;gap:6px;padding:6px 14px 8px}.avatar-color-option{width:24px;height:24px;border-radius:50%;cursor:pointer;transition:transform .15s,box-shadow .15s;border:2px solid transparent}.avatar-color-option:hover{transform:scale(1.15)}.avatar-color-option.active{border-color:#fff;box-shadow:0 0 0 2px #ffffff4d}.status-dropdown{position:absolute;bottom:100%;left:0;right:0;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 8px 24px #0000004d;z-index:100;overflow:hidden}.status-dropdown-item{display:flex;align-items:center;gap:8px;padding:8px 14px;font-size:13px;color:var(--text-secondary);cursor:pointer;transition:background .1s}.status-dropdown-item:hover{background:var(--sidebar-bg-hover);color:var(--text-bright)}.status-dropdown-item.active{background:#1164a326;color:var(--text-bright)}.muted-icon{margin-left:auto;font-size:12px;opacity:.5}.dm-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dm-you{font-size:var(--font-size-xs);color:var(--sidebar-text-muted);margin-left:2px}.sidebar-scroll{flex:1;overflow-y:auto;overflow-x:hidden}.sidebar-scroll::-webkit-scrollbar{width:4px}.sidebar-scroll::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:2px}.sidebar-footer{padding:var(--spacing-sm) var(--spacing-lg);border-top:1px solid var(--sidebar-divider)}.add-item-btn{display:flex;align-items:center;gap:var(--spacing-sm);padding:4px 0;color:var(--sidebar-text);font-size:var(--font-size-lg);cursor:pointer;transition:color var(--transition-fast);width:100%}.add-item-btn:hover{color:var(--sidebar-text-bright)}.add-icon{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#ffffff26;font-size:14px}.sidebar-bottom-nav{display:flex;flex-direction:column;border-top:1px solid var(--sidebar-divider);padding:var(--spacing-xs) 0}.sidebar-icon-nav{position:absolute;left:0;top:0;width:44px;height:100vh;background:#1a0e1a;display:flex;flex-direction:column;align-items:center;padding:var(--spacing-md) 0;gap:var(--spacing-xs);z-index:calc(var(--z-sidebar) + 1)}.sidebar-icon-nav .icon-nav-item{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-md);color:#ffffff80;cursor:pointer;transition:all var(--transition-fast);position:relative;font-size:14px}.sidebar-icon-nav .icon-nav-item:hover{background:#ffffff1a;color:#fff}.sidebar-icon-nav .icon-nav-item.active{color:#fff}.sidebar-icon-nav .icon-nav-item.active:before{content:"";position:absolute;left:-4px;top:50%;transform:translateY(-50%);width:3px;height:16px;background:#fff;border-radius:0 2px 2px 0}.user-panel-power-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:var(--border-radius-sm);color:#ff8fa6;border:1px solid rgba(224,30,90,.45);background:#e01e5a1f;font-size:14px;transition:all .15s;flex-shrink:0}.user-panel-power-btn:hover{background:#e01e5a38;color:#ffd7e1}