:root{--messenger-primary:var(--color-primary,#1976d2);--messenger-primary-light:var(--color-primary-light,#42a5f5);--messenger-primary-dark:var(--color-primary-dark,#1565c0);--messenger-header-bg:#7539db;--messenger-header-bg-hover:#6330c0;--messenger-avatar-bg:linear-gradient(135deg, var(--color-primary,#1976d2) 0%, var(--color-primary-light,#42a5f5) 100%);--messenger-online:#31a24c;--messenger-away:#f7b928;--messenger-offline:#bcc0c4;--messenger-bubble-sent:var(--color-primary,#1976d2);--messenger-bubble-received:color-mix(in srgb, var(--color-primary,#1976d2) 8%, #fff 92%);--messenger-text-on-primary:#fff;--messenger-text-on-received:#000;--messenger-bg:#fff;--messenger-sidebar-bg:#fff;--messenger-hover:#f2f2f2;--chat-type-dm:#1976d2;--chat-type-dm-bg:#e3f2fd;--chat-type-dm-light:#bbdefb;--chat-type-group:#7b1fa2;--chat-type-group-bg:#f3e5f5;--chat-type-group-light:#e1bee7;--chat-type-workspace:#e65100;--chat-type-workspace-bg:#fff3e0;--chat-type-workspace-light:#ffe0b2;--chat-type-case:#c62828;--chat-type-case-bg:#ffebee;--chat-type-case-light:#ffcdd2;--chat-type-announcement:#00897b;--chat-type-announcement-bg:#e0f2f1;--chat-type-announcement-light:#b2dfdb;--chat-type-notes:#f57f17;--chat-type-notes-bg:#fffde7;--chat-type-notes-light:#fff9c4}.messenger-container{background:var(--color-background,#fafafa);height:100%;display:flex}.primary-sidebar{background:#6330ba;border-right:1px solid #ffffff1f;flex-direction:column;justify-content:space-between;width:60px;min-width:60px;padding:8px 0;display:flex}.primary-sidebar-nav{flex-direction:column;gap:4px;display:flex}.primary-sidebar-section{flex-direction:column;gap:2px;padding:4px 8px;display:flex}.primary-sidebar-section:not(:last-child){border-bottom:none;margin-bottom:0;padding-bottom:0}.primary-sidebar-divider{background:#ffffff1a;height:1px;margin:4px 12px}.primary-sidebar-item{color:#ffffffb3;cursor:pointer;background:0 0;border:none;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;transition:all .15s;display:flex;position:relative}.primary-sidebar-item:hover{color:#fff;background:#ffffff1a}.primary-sidebar-item.active{color:#fff;background:#ffffff26}.primary-sidebar-item.active:before{content:"";background:#fff;border-radius:0 4px 4px 0;width:4px;height:24px;position:absolute;top:50%;left:-8px;transform:translateY(-50%)}.primary-sidebar-item-icon{justify-content:center;align-items:center;display:flex}.primary-sidebar-item-badge{text-align:center;color:#fff;background:#ef4444;border-radius:9px;min-width:18px;height:18px;padding:0 5px;font-size:10px;font-weight:600;line-height:18px;position:absolute;top:4px;right:4px}.activity-feed{background:var(--color-surface,#fff);flex-direction:column;height:100%;display:flex}.activity-feed-header{border-bottom:1px solid var(--color-border,#e0e0e0);justify-content:space-between;align-items:center;padding:10px 12px;display:flex}.activity-feed-header-title{align-items:center;gap:8px;font-size:15px;font-weight:600;display:flex}.activity-feed-header-title svg{color:var(--color-text-secondary,#666)}.activity-feed-header-badge{color:#fff;background:#ef4444;border-radius:10px;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 6px;font-size:11px;font-weight:600;display:inline-flex}.activity-feed-list{flex:1;overflow-y:auto}.activity-feed-empty{text-align:center;color:var(--color-text-secondary,#666);flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:48px 24px;display:flex}.activity-feed-empty p{margin:0;font-size:13px}.activity-feed-item{text-align:left;cursor:pointer;background:0 0;border:none;gap:12px;width:100%;padding:12px 16px;transition:background .15s;display:flex}.activity-feed-item:hover{background:var(--messenger-hover,#f2f2f2)}.activity-feed-item:not(:last-child){border-bottom:1px solid var(--color-border-light,#f0f0f0)}.activity-feed-item-avatar{flex-shrink:0;position:relative}.activity-feed-item-type{background:#fff;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;display:flex;position:absolute;bottom:-2px;right:-2px;box-shadow:0 1px 3px #00000026}.activity-feed-item-content{flex:1;min-width:0}.activity-feed-item-header{align-items:center;gap:6px;margin-bottom:2px;display:flex}.activity-feed-item-sender{color:var(--color-text-primary,#000);font-size:13px;font-weight:600}.activity-feed-item-thread{color:var(--color-text-secondary,#666);font-size:12px}.activity-feed-item-text{color:var(--color-text-secondary,#555);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:13px;overflow:hidden}.activity-feed-item-time{color:var(--color-text-tertiary,#999);margin-top:2px;font-size:11px;display:block}.activity-feed-filters{border-bottom:1px solid var(--color-border,#e0e0e0);gap:4px;padding:8px 12px;display:flex;overflow-x:auto}.activity-feed-filter{color:var(--color-text-secondary,#666);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:6px;align-items:center;gap:4px;padding:6px 10px;font-size:12px;font-weight:500;transition:all .15s;display:flex}.activity-feed-filter:hover{background:var(--messenger-hover,#f2f2f2);color:var(--color-text-primary,#000)}.activity-feed-filter-active{background:var(--color-primary-light,#e0e7ff);color:var(--color-primary,#4f46e5)}.activity-feed-filter-label{display:none}@media (width>=360px){.activity-feed-filter-label{display:inline}}.activity-feed-filter-count{background:var(--color-text-tertiary,#999);color:#fff;border-radius:8px;justify-content:center;align-items:center;min-width:16px;height:16px;padding:0 4px;font-size:10px;font-weight:600;display:inline-flex}.activity-feed-filter-active .activity-feed-filter-count{background:var(--color-primary,#4f46e5)}.activity-feed-loading,.activity-feed-error{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:32px 16px;display:flex}.activity-feed-loading p,.activity-feed-error p{color:var(--color-text-secondary,#666);margin:0;font-size:13px}.activity-feed-item-unread{background:var(--color-primary-light,#4f46e50d)}.activity-feed-item-unread:before{content:"";background:var(--color-primary,#4f46e5);width:3px;position:absolute;top:0;bottom:0;left:0}.activity-feed-item{position:relative}.activity-feed-item-action{color:var(--color-text-tertiary,#888);font-size:12px}.activity-feed-item-thread{color:var(--color-text-secondary,#666);align-items:center;gap:4px;margin-bottom:4px;font-size:12px;display:flex}.activity-feed-item-thread:before{content:none}.activity-feed-item-original{color:var(--color-text-tertiary,#888);background:var(--color-surface-secondary,#f5f5f5);white-space:nowrap;text-overflow:ellipsis;border-radius:4px;align-items:center;gap:4px;margin:4px 0 0;padding:4px 8px;font-size:11px;display:flex;overflow:hidden}.activity-feed-item-original svg{opacity:.5;flex-shrink:0}.messenger-sidebar{background:var(--color-surface,#fff);border-right:1px solid var(--color-border,#e0e0e0);flex-direction:column;width:320px;min-width:280px;max-width:400px;transition:width .2s;display:flex}.messenger-sidebar.closed{width:0;min-width:0;overflow:hidden}.thread-list{flex-direction:column;height:100%;display:flex;position:relative}.thread-list-header{border-bottom:1px solid var(--color-border,#e0e0e0);justify-content:space-between;align-items:center;padding:10px 12px;display:flex}.thread-list-header h2{margin:0;font-size:15px;font-weight:600}.thread-list-new-btn{background:var(--messenger-header-bg,var(--messenger-primary));color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;transition:background .2s,transform .2s;display:flex}.thread-list-new-btn:hover{background:var(--messenger-header-bg-hover,var(--messenger-primary-dark));transform:scale(1.05)}.thread-list-status{border-bottom:1px solid var(--color-border,#00000014);align-items:center;padding:8px 16px;display:flex}.thread-list-status button{background:var(--color-surface-variant,#0000000a);border-radius:8px;justify-content:flex-start;width:100%;padding:8px 12px;transition:background .2s}.thread-list-status button:hover{background:var(--color-surface-hover,#00000014)}.thread-list-search{padding:8px 12px;position:relative}.thread-list-search-icon{color:var(--color-text-secondary,#666);width:14px;height:14px;position:absolute;top:50%;left:22px;transform:translateY(-50%)}.thread-list-search input{border:1px solid var(--color-border,#e0e0e0);border-radius:6px;outline:none;width:100%;padding:6px 10px 6px 32px;font-size:13px;transition:border-color .2s}.thread-list-search input:focus{border-color:var(--messenger-primary);box-shadow:0 0 0 3px color-mix(in srgb, var(--color-primary,#1976d2) 15%, transparent)}.thread-list-search-history{cursor:pointer;color:var(--color-text-secondary,#666);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:6px;transition:all .2s;display:flex;position:absolute;top:50%;right:28px;transform:translateY(-50%)}.thread-list-search-history:hover{background:var(--messenger-primary-light);color:var(--messenger-primary)}.thread-list-search input{padding-right:44px}.thread-list-search-overlay{background:var(--color-surface,#fff);z-index:20;position:absolute;inset:0}.thread-list-items{flex:1;overflow-y:auto}.thread-list-loading,.thread-list-empty{color:var(--color-text-secondary,#666);flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:24px 16px;font-size:13px;display:flex}.thread-list-start-btn{background:var(--messenger-primary);color:#fff;cursor:pointer;border:none;border-radius:6px;margin-top:6px;padding:8px 16px;font-size:13px;font-weight:500;transition:background .2s}.thread-list-start-btn:hover{background:var(--messenger-primary-dark)}.thread-section{border-bottom:1px solid var(--color-border,#e0e0e0)}.thread-section:last-child{border-bottom:none}.thread-section-header{background:var(--color-surface-variant,#f8f9fa);cursor:pointer;text-transform:uppercase;letter-spacing:.5px;width:100%;color:var(--color-text-secondary,#666);text-align:left;border:none;align-items:center;gap:4px;padding:8px 12px;font-size:11px;font-weight:600;transition:background .15s;display:flex}.thread-section-header:hover{background:var(--color-surface-hover,#eef0f2)}.thread-section-toggle,.thread-section-icon{color:var(--color-text-secondary,#888);flex-shrink:0;justify-content:center;align-items:center;display:flex}.thread-section-label{white-space:nowrap;text-overflow:ellipsis;flex:1;overflow:hidden}.thread-section-count{color:var(--color-text-tertiary,#999);margin-left:2px;font-weight:500}.thread-section-unread{background:var(--messenger-primary);color:#fff;text-align:center;border-radius:8px;min-width:16px;margin-left:auto;padding:1px 5px;font-size:9px;font-weight:600}.thread-section-empty{text-align:center;color:var(--color-text-tertiary,#999);padding:12px 16px;font-size:11px;font-style:italic}.thread-section[data-section=unread] .thread-section-header{color:#ef4444;font-weight:700}.thread-section[data-section=unread] .thread-section-unread{background:#ef4444}.workspace-group{border-bottom:1px solid var(--color-border-light,#f0f0f0)}.workspace-group:last-child{border-bottom:none}.workspace-group-header{background:var(--color-surface,#fff);align-items:center;padding:6px 12px 6px 20px;display:flex}.workspace-group-toggle{cursor:pointer;color:var(--color-text-primary,#333);text-align:left;background:0 0;border:none;flex:1;align-items:center;gap:4px;padding:4px 0;font-size:12px;font-weight:500;transition:color .15s;display:flex}.workspace-group-toggle:hover{color:var(--messenger-primary)}.workspace-group-chevron{color:var(--color-text-secondary,#888);flex-shrink:0;justify-content:center;align-items:center;display:flex}.workspace-group-icon{color:var(--messenger-primary);flex-shrink:0}.workspace-group-name{white-space:nowrap;text-overflow:ellipsis;flex:1;margin-left:2px;overflow:hidden}.workspace-group-count{color:var(--color-text-tertiary,#999);margin-left:4px;font-size:11px;font-weight:400}.workspace-group-unread{background:var(--messenger-primary);color:#fff;text-align:center;border-radius:8px;min-width:16px;margin-left:8px;padding:1px 5px;font-size:9px;font-weight:600}.workspace-group-link{color:var(--color-text-tertiary,#999);opacity:0;border-radius:4px;justify-content:center;align-items:center;padding:4px;transition:all .15s;display:flex}.workspace-group-header:hover .workspace-group-link{opacity:1}.workspace-group-link:hover{color:var(--messenger-primary);background:var(--color-surface-variant,#f5f5f5)}.workspace-group-channels .thread-item{padding-left:32px}.thread-item[data-type=workspace_channel] .thread-item-name:before{content:"#";color:var(--color-text-tertiary,#999);margin-right:2px}.thread-item{cursor:pointer;border-left:3px solid #0000;align-items:center;gap:8px;padding:6px 12px;transition:background .15s;display:flex}.thread-item:hover{background:var(--color-surface-variant,#f5f5f5)}.thread-item.active{background:var(--messenger-bubble-received);border-left-color:var(--messenger-primary)}.thread-item.unread .thread-item-name{font-weight:600}.thread-item-avatar{flex-shrink:0;width:24px;height:24px;position:relative}.thread-item-avatar img{object-fit:cover;border-radius:50%;width:100%;height:100%}.thread-item-channel-icon{background:var(--color-surface-variant,#f5f5f5);width:100%;height:100%;color:var(--color-text-secondary,#666);border-radius:6px;justify-content:center;align-items:center;display:flex}.thread-item.active .thread-item-channel-icon{background:var(--messenger-primary-light);color:var(--messenger-primary)}.thread-item-case-icon{color:#657086;background:#f3f4f6}.thread-item.active .thread-item-case-icon{color:#2662d9;background:#e5ecfa}.thread-item-avatar-status{background:var(--messenger-offline);border:1.5px solid #fff;border-radius:50%;width:10px;height:10px;position:absolute;bottom:0;right:0}.thread-item-avatar-status.online{background:var(--messenger-online)}.thread-item-avatar-status.away{background:var(--messenger-away)}.thread-item-avatar-status.offline{background:var(--messenger-offline)}.thread-item-avatar-badge{background:var(--messenger-primary);color:#fff;border:1.5px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:14px;height:14px;font-size:7px;display:flex;position:absolute;bottom:-2px;right:-2px}.thread-item-content{flex:1;justify-content:space-between;align-items:center;gap:8px;min-width:0;display:flex}.thread-item-name{white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:3px;font-size:13px;font-weight:500;display:flex;overflow:hidden}.thread-item-status-icon{color:var(--color-primary,#1976d2);flex-shrink:0}.thread-item-time{color:var(--color-text-secondary,#666);white-space:nowrap;flex-shrink:0;font-size:10px}.thread-item-badges{flex-shrink:0;align-items:center;gap:3px;display:flex}.thread-item-badge{color:var(--color-text-secondary,#666);width:10px;height:10px}.thread-item-badge.pinned{color:var(--messenger-primary)}.thread-item-unread{background:var(--messenger-primary);color:#fff;text-align:center;border-radius:8px;min-width:16px;padding:1px 5px;font-size:9px;font-weight:600}.messenger-main{flex-direction:column;flex:1;min-width:0;display:flex}.messenger-empty{flex:1;justify-content:center;align-items:center;display:flex}.messenger-empty-content{text-align:center;color:var(--color-text-secondary,#666)}.messenger-empty-icon{color:var(--color-border,#e0e0e0);margin-bottom:16px}.messenger-empty h2{color:var(--color-text-primary,#333);margin:0 0 8px;font-size:20px}.messenger-empty p{margin:0}.chat-view{flex-direction:column;flex:1;min-width:0;height:100%;display:flex;position:relative}.chat-view-search-overlay{background:var(--color-surface,#fff);z-index:25;position:absolute;inset:0}.chat-view-header{background:var(--color-surface,#fff);border-bottom:1px solid var(--color-border,#e0e0e0);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.chat-view-header-info{align-items:center;gap:12px;display:flex}.chat-view-avatar{background:var(--messenger-avatar-bg);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-weight:500;display:flex}.chat-view-avatar img{object-fit:cover;border-radius:50%;width:100%;height:100%}.chat-view-header-text h3{margin:0;font-size:16px;font-weight:600}.chat-view-members{color:var(--color-text-secondary,#666);align-items:center;gap:4px;font-size:12px;display:flex}button.chat-view-members-clickable{cursor:pointer;background:0 0;border:none;border-radius:4px;margin:-2px -6px;padding:2px 6px;transition:background-color .15s}button.chat-view-members-clickable:hover{background-color:#0000000d;text-decoration:underline}.chat-view-case-link{color:var(--color-primary,#3b82f6);cursor:pointer;background:0 0;border:none;border-radius:4px;align-items:center;gap:6px;margin:-2px -8px;padding:2px 8px;font-size:12px;transition:background-color .15s;display:inline-flex}.chat-view-case-link:hover{background:var(--color-primary-light,#3b82f61a)}.chat-view-case-link svg:last-child{opacity:.6}.chat-view-status{align-items:center;gap:4px;font-size:12px;font-weight:500;display:flex}.chat-view-status-icon{color:var(--color-primary,#1976d2);flex-shrink:0}.chat-view-custom-status{color:var(--color-text-secondary,#666);font-weight:400}.chat-view-header-actions{gap:8px;display:flex}.chat-view-header-actions button{cursor:pointer;color:var(--color-text-secondary,#666);background:0 0;border:none;border-radius:50%;padding:8px;transition:background .2s}.chat-view-header-actions button:hover{background:var(--color-surface-variant,#f5f5f5)}.chat-view-header-actions button.active{background:var(--messenger-primary-light);color:var(--messenger-primary)}.chat-view-messages{flex-direction:column;flex:1;gap:4px;padding:16px;display:flex;overflow:hidden auto}.chat-view-loading,.chat-view-empty{color:var(--color-text-secondary,#666);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:8px;display:flex}.chat-view-loading-more{justify-content:center;padding:8px;display:flex}.chat-view-load-more{color:var(--color-primary,#1976d2);cursor:pointer;background:0 0;border:none;padding:8px 16px;font-size:13px}.message-bubble{align-self:flex-start;gap:8px;max-width:70%;margin-left:48px;display:flex}.message-bubble.own{flex-direction:row-reverse;align-self:flex-end;margin-left:auto;margin-right:0}.message-bubble.with-avatar{margin-left:0}.message-avatar{flex-shrink:0;width:32px;height:32px}.message-avatar img{object-fit:cover;border-radius:50%;width:100%;height:100%}.message-wrapper{position:relative}.message-sender{color:var(--color-text-secondary,#666);margin-bottom:2px;font-size:12px;font-weight:500;display:block}.message-content{background:var(--messenger-bubble-received);color:var(--messenger-text-on-received,#050505);border-radius:18px 18px 18px 4px;padding:8px 12px}.message-bubble.own .message-content{background:var(--messenger-bubble-sent);color:var(--messenger-text-on-primary);border-bottom-right-radius:4px;border-bottom-left-radius:18px}.message-text{white-space:pre-wrap;word-break:break-word;margin:0;font-size:14px;line-height:1.4}.message-text-emoji-only{white-space:pre-wrap;word-break:break-word;margin:0;font-size:42px;line-height:1.2}.message-text-single-emoji{margin:0;font-size:56px;line-height:1.1}.message-bubble.emoji-only .message-content{background:0 0;padding:4px 0}.message-footer{color:var(--color-text-secondary,#666);align-items:center;gap:6px;margin-top:4px;font-size:11px;display:flex}.message-bubble.own .message-footer{justify-content:flex-end}.message-edited{font-style:italic}.message-bubble.deleted .message-content{border:1px dashed var(--color-border,#e0e0e0);background:0 0}.message-deleted-text{color:var(--color-text-secondary,#666);font-style:italic}.message-actions{opacity:0;transition:opacity .15s;position:absolute;top:0;right:-36px}.message-bubble:hover .message-actions,.message-bubble.own:hover .message-actions{opacity:1}.message-bubble.own .message-actions{left:-36px;right:auto}.message-actions-btn{background:var(--color-surface,#fff);border:1px solid var(--color-border,#e0e0e0);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;display:flex}.message-actions-menu{background:var(--color-surface,#fff);border:1px solid var(--color-border,#e0e0e0);z-index:10;border-radius:8px;min-width:150px;position:absolute;top:100%;right:0;box-shadow:0 4px 12px #00000026}.message-actions-menu button{text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;gap:8px;width:100%;padding:10px 12px;font-size:13px;transition:background .15s;display:flex}.message-actions-menu button:hover{background:var(--color-surface-variant,#f5f5f5)}.message-actions-menu button.danger{color:var(--color-error,#d32f2f)}.message-system{text-align:center;color:var(--color-text-secondary,#666);padding:8px 16px;font-size:12px}.message-reply-preview{border-left:3px solid var(--color-primary,#1976d2);background:#0000000d;border-radius:6px;margin-bottom:6px;padding:6px 10px;font-size:12px}.message-reply-sender{font-weight:500;display:block}.message-reply-text{color:var(--color-text-secondary,#666)}.message-attachments{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.message-attachment img{cursor:pointer;border-radius:8px;max-width:200px;max-height:200px}.message-attachment-file{color:inherit;background:#0000000d;border-radius:8px;align-items:center;gap:8px;padding:8px 12px;text-decoration:none;display:flex}.message-attachment-name{text-overflow:ellipsis;white-space:nowrap;max-width:150px;overflow:hidden}.message-attachment-size{color:var(--color-text-secondary,#666);font-size:11px}.message-reactions{flex-wrap:wrap;gap:4px;margin-top:6px;display:flex}.message-reaction{cursor:pointer;background:#0000000d;border-radius:10px;padding:2px 6px;font-size:12px}.typing-indicator{color:var(--color-text-secondary,#666);align-items:center;gap:8px;padding:8px 16px;font-size:13px;display:flex}.typing-indicator-dots{gap:3px;display:flex}.typing-indicator-dots span{background:var(--color-text-secondary,#666);border-radius:50%;width:6px;height:6px;animation:1.4s ease-in-out infinite both typing-bounce}.typing-indicator-dots span:first-child{animation-delay:-.32s}.typing-indicator-dots span:nth-child(2){animation-delay:-.16s}@keyframes typing-bounce{0%,80%,to{transform:scale(.6)}40%{transform:scale(1)}}.message-input{background:var(--color-surface,#fff);border-top:1px solid var(--color-border,#e0e0e0);padding:12px 16px}.message-input-files{background:var(--color-surface-variant,#f5f5f5);border-radius:12px;flex-wrap:wrap;gap:8px;margin-bottom:12px;padding:8px;display:flex}.message-input-file{background:var(--color-surface,#fff);border-radius:8px;position:relative;overflow:hidden;box-shadow:0 1px 3px #0000001a}.message-input-file-preview{width:80px;height:80px}.message-input-file-preview img{object-fit:cover;width:100%;height:100%}.message-input-file-info{flex-direction:column;justify-content:center;align-items:center;gap:4px;min-width:100px;padding:8px 12px;display:flex}.message-input-file-info svg{color:var(--messenger-primary)}.message-input-file-name{color:var(--color-text-primary,#333);text-overflow:ellipsis;white-space:nowrap;max-width:100px;font-size:11px;font-weight:500;overflow:hidden}.message-input-file-size{color:var(--color-text-secondary,#666);font-size:10px}.message-input-file-remove{color:#fff;cursor:pointer;opacity:0;background:#0009;border:none;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;transition:opacity .2s;display:flex;position:absolute;top:4px;right:4px}.message-input-file:hover .message-input-file-remove{opacity:1}.message-input-file-remove:hover{background:var(--color-error,#d32f2f)}.message-input-row{align-items:flex-end;gap:8px;display:flex}.message-input-actions{align-items:center;gap:2px;display:flex}.message-input-field{flex:1;position:relative}.message-input-btn{cursor:pointer;color:var(--color-text-secondary,#666);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:8px;transition:all .2s;display:flex}.message-input-btn:hover{background:var(--color-surface-variant,#f5f5f5);color:var(--messenger-primary)}.message-input-btn.active{background:var(--messenger-primary-light);color:var(--messenger-primary)}.message-input-field .tiptap{border:1px solid var(--color-border,#e0e0e0);background:var(--color-surface-variant,#f5f5f5);border-radius:20px;outline:none;width:100%;min-height:40px;max-height:150px;padding:10px 16px;font-family:inherit;font-size:14px;transition:border-color .2s,box-shadow .2s;overflow-y:auto}.message-input-field .tiptap:focus{border-color:var(--messenger-primary);background:var(--color-surface,#fff);box-shadow:0 0 0 2px color-mix(in srgb, var(--color-primary,#1976d2) 20%, transparent)}.message-input-field .tiptap p{margin:0}.message-input-field .tiptap p.is-editor-empty:first-child:before{color:var(--color-text-secondary,#999);content:attr(data-placeholder);float:left;pointer-events:none;height:0}.message-input-field .mention{background:color-mix(in srgb, var(--color-primary,#1976d2) 15%, transparent);color:var(--color-primary,#1976d2);border-radius:4px;padding:1px 4px;font-weight:500}.message-input-field textarea{border:1px solid var(--color-border,#e0e0e0);resize:none;background:var(--color-surface-variant,#f5f5f5);border-radius:20px;outline:none;width:100%;min-height:40px;max-height:150px;padding:10px 16px;font-family:inherit;font-size:14px;line-height:1.4;transition:border-color .2s,box-shadow .2s,height 50ms;overflow-y:hidden}.message-input-field textarea.at-max-height{overflow-y:auto}.message-input-field textarea:focus{border-color:var(--messenger-primary);background:var(--color-surface,#fff);box-shadow:0 0 0 2px color-mix(in srgb, var(--color-primary,#1976d2) 20%, transparent)}.message-input-field textarea::placeholder{color:var(--color-text-secondary,#999)}.message-input-emoji-wrapper{position:relative}.message-input-emoji-picker{z-index:100;border-radius:12px;position:absolute;bottom:48px;right:0;overflow:hidden;box-shadow:0 4px 20px #0003}.message-input-emoji-picker .EmojiPickerReact{--epr-emoji-size:28px;--epr-category-label-height:32px;--epr-header-padding:12px;border:none!important}.message-input-send{background:var(--messenger-primary);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;transition:all .2s;display:flex}.message-input-send:hover:not(:disabled){background:var(--messenger-primary-dark);transform:scale(1.05)}.message-input-send:disabled{background:var(--color-border,#e0e0e0);color:var(--color-text-secondary,#999);cursor:not-allowed;transform:none}.message-input-hint{color:var(--color-text-secondary,#999);justify-content:center;gap:4px;margin-top:8px;font-size:11px;display:flex}.message-input-hint kbd{background:var(--color-surface-variant,#f5f5f5);border:1px solid var(--color-border,#e0e0e0);border-radius:4px;padding:1px 4px;font-family:inherit;font-size:10px}.dialog-overlay{z-index:60;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.dialog{background:var(--color-surface,#fff);border-radius:12px;flex-direction:column;width:100%;max-width:480px;max-height:80vh;display:flex;box-shadow:0 8px 32px #0003}.dialog-header{border-bottom:1px solid var(--color-border,#e0e0e0);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.dialog-header h3{margin:0;font-size:18px}.dialog-header-title{align-items:center;gap:8px;display:flex}.dialog-header-icon{align-items:center;display:flex}.dialog-close{cursor:pointer;color:var(--color-text-secondary,#666);background:0 0;border:none;padding:4px}.dialog-tabs{border-bottom:1px solid var(--color-border,#e0e0e0);display:flex}.dialog-tab{cursor:pointer;color:var(--color-text-secondary,#666);background:0 0;border:none;border-bottom:2px solid #0000;flex:1;justify-content:center;align-items:center;gap:8px;padding:12px;font-size:14px;transition:all .2s;display:flex}.dialog-tab:hover{background:var(--color-surface-variant,#f5f5f5)}.dialog-tab.active{color:var(--color-primary,#1976d2);border-bottom-color:var(--color-primary,#1976d2)}.dialog-field{padding:12px 20px 0}.dialog-field 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0;border:none;padding:2px;display:flex}.dialog-user-list{flex:1;max-height:300px;overflow-y:auto}.dialog-user-item{cursor:pointer;align-items:center;gap:12px;padding:12px 20px;transition:background .15s;display:flex}.dialog-user-item:hover{background:var(--color-surface-variant,#f5f5f5)}.dialog-user-item.selected{background:color-mix(in srgb, var(--color-primary,#1976d2) 8%, transparent)}.dialog-user-info{flex:1}.dialog-user-name{font-size:14px;font-weight:500;display:block}.dialog-user-email{color:var(--color-text-secondary,#666);font-size:12px;display:block}.dialog-user-checkbox input{width:18px;height:18px;accent-color:var(--color-primary,#1976d2)}.dialog-loading,.dialog-empty{text-align:center;color:var(--color-text-secondary,#666);padding:32px}.dialog-footer{border-top:1px solid var(--color-border,#e0e0e0);justify-content:flex-end;gap:12px;padding:16px 20px;display:flex}.dialog-btn{cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:10px 20px;font-size:14px;font-weight:500;transition:all .2s;display:flex}.dialog-btn.secondary{border:1px solid var(--color-border,#e0e0e0);color:var(--color-text-primary,#333);background:0 0}.dialog-btn.secondary:hover{background:var(--color-surface-variant,#f5f5f5)}.dialog-btn.primary{background:var(--color-primary,#1976d2);color:#fff;border:none}.dialog-btn.primary:hover:not(:disabled){background:var(--color-primary-dark,#1565c0)}.dialog-btn:disabled{opacity:.5;cursor:not-allowed}.message-edit-form{flex-direction:column;gap:8px;display:flex}.message-edit-form textarea{border:1px solid var(--color-border,#e0e0e0);resize:vertical;border-radius:6px;width:100%;min-height:60px;padding:8px;font-family:inherit;font-size:14px}.message-edit-actions{justify-content:flex-end;gap:8px;display:flex}.message-edit-actions button{cursor:pointer;border-radius:6px;padding:6px 12px;font-size:13px}.message-edit-actions button:first-child{border:1px solid var(--color-border,#e0e0e0);background:0 0}.message-edit-actions button:last-child{background:var(--color-primary,#1976d2);color:#fff;border:none}.animate-spin{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.text-muted{color:var(--color-text-secondary,#666)}@keyframes backdropFadeIn{0%{opacity:0}to{opacity:1}}.messenger-panel-backdrop{z-index:44;cursor:pointer;background:#0000004d;animation:.3s backdropFadeIn;position:fixed;inset:3.5rem 0 0}.messenger-panel{background:var(--color-surface,#fff);border:1px solid var(--color-border,#e0e0e0);will-change:transform;z-index:45;border-radius:12px;flex-direction:column;width:360px;max-width:95vw;transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:72px;bottom:16px;right:20px;overflow:visible;transform:translate(calc(100% + 20px));box-shadow:0 10px 15px #0000001a,0 25px 50px #00000026}.messenger-panel.open{transform:translate(0)}.messenger-panel:not(.open) .messenger-panel-ribbon{opacity:0;pointer-events:none}.messenger-panel.expanded{width:700px}.messenger-panel.resizing{transition:none}.messenger-panel-resize-handle{cursor:ew-resize;z-index:100;background:0 0;justify-content:center;align-items:center;width:16px;transition:background .2s;display:flex;position:absolute;top:0;bottom:0;left:-4px}.messenger-panel-resize-handle:before{content:"";background:var(--color-border,#e0e0e0);opacity:.5;border-radius:2px;width:4px;height:60px;transition:opacity .2s,background .2s;position:absolute;top:50%;left:5px;transform:translateY(-50%)}.messenger-panel-resize-handle:hover:before{opacity:1;background:var(--messenger-primary)}.messenger-panel-resize-handle:hover{background:color-mix(in srgb, var(--color-primary,#1976d2) 8%, transparent)}.messenger-panel-resize-handle:active{background:color-mix(in srgb, var(--color-primary,#1976d2) 15%, transparent)}.messenger-panel-resize-handle:active:before{background:var(--messenger-primary);opacity:1}.messenger-panel-resize-handle svg{color:var(--color-text-secondary,#666);opacity:0;z-index:1;transition:opacity .2s;position:relative}.messenger-panel-resize-handle:hover svg{opacity:1;color:var(--messenger-primary)}.messenger-panel-header{background:var(--messenger-header-bg,var(--messenger-primary));color:var(--messenger-text-on-primary);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.messenger-panel-header h2{align-items:center;gap:8px;margin:0;font-size:17px;font-weight:600;display:flex}.messenger-panel-header-actions{gap:6px;display:flex}.messenger-panel-btn{cursor:pointer;color:var(--messenger-text-on-primary);background:#ffffff26;border:none;border-radius:8px;justify-content:center;align-items:center;padding:8px;transition:background .2s,transform .1s;display:flex}.messenger-panel-btn:hover{background:#ffffff40}.messenger-panel-btn:active{transform:scale(.95)}.messenger-panel-content{background:var(--color-surface,#fff);border-radius:12px;flex:1;display:flex;overflow:hidden}.messenger-panel-sidebar{background:var(--color-surface,#fff);width:100%;min-width:0;transition:width .3s;overflow:hidden}.messenger-panel.expanded .messenger-panel-sidebar{border-right:1px solid var(--color-border,#e0e0e0);width:320px;min-width:320px}.messenger-panel-back-btn{color:var(--messenger-text-on-primary);cursor:pointer;background:0 0;border:none;margin-right:8px;padding:4px;display:none}.messenger-panel.expanded .messenger-panel-back-btn{display:flex}.messenger-panel-chat{background:var(--color-surface,#fff);flex-direction:column;flex:1;min-width:0;display:none}.messenger-panel.expanded .messenger-panel-chat{display:flex}.messenger-panel-empty{color:var(--color-text-secondary,#666);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:32px;display:flex}.messenger-panel-empty-icon{width:64px;height:64px;color:var(--messenger-primary);opacity:.5;margin-bottom:16px}.messenger-panel-empty p{margin:0;font-size:15px}@media (width<=768px){.messenger-panel{border:none;border-radius:0;top:0;bottom:0;right:0;transform:translate(100%);width:100vw!important}.messenger-panel.open{transform:translate(0)}.messenger-panel-ribbon{display:none}.messenger-panel-content{border-radius:0}.messenger-panel-sidebar{z-index:10;background:var(--color-surface,#fff);width:100%;position:absolute;top:0;bottom:0;left:0}.messenger-panel-sidebar.collapsed{transform:translate(-100%)}.messenger-panel-sidebar.open{width:100%;transform:translate(0)}}.messenger-panel-content{background:var(--color-surface,#fff)}.messenger-panel-sidebar{background:var(--color-surface-variant,#f5f5f5)}.messenger-panel-chat{background:var(--color-surface,#fff)}.search-panel{background:var(--color-surface,#fff);flex-direction:column;height:100%;display:flex}.search-panel-header{border-bottom:1px solid var(--color-border,#e0e0e0);align-items:center;gap:8px;padding:12px 16px;display:flex}.search-panel-back{cursor:pointer;color:var(--color-text-secondary,#666);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:8px;transition:background .2s;display:flex}.search-panel-back:hover{background:var(--color-surface-variant,#f5f5f5)}.search-panel-input-wrapper{flex:1;align-items:center;display:flex;position:relative}.search-panel-icon{color:var(--color-text-secondary,#666);pointer-events:none;position:absolute;left:12px}.search-panel-input{border:1px solid var(--color-border,#e0e0e0);background:var(--color-surface-variant,#f5f5f5);border-radius:24px;outline:none;width:100%;padding:10px 36px 10px 40px;font-size:14px;transition:border-color .2s,box-shadow .2s}.search-panel-input:focus{border-color:var(--messenger-primary);box-shadow:0 0 0 2px color-mix(in srgb, var(--color-primary,#1976d2) 15%, 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var(--color-border,#e0e0e0);padding:12px 16px;font-size:12px;font-weight:500}.search-panel-list{flex-direction:column;display:flex}.search-result-item{border:none;border-bottom:1px solid var(--color-border,#e0e0e0);cursor:pointer;text-align:left;background:0 0;align-items:flex-start;gap:12px;width:100%;padding:12px 16px;transition:background .15s;display:flex}.search-result-item:hover{background:var(--color-surface-variant,#f5f5f5)}.search-result-avatar{background:linear-gradient(135deg, var(--messenger-primary) 0%, var(--messenger-primary-light) 100%);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:14px;font-weight:500;display:flex}.search-result-avatar img{object-fit:cover;border-radius:50%;width:100%;height:100%}.search-result-content{flex:1;min-width:0}.search-result-header{justify-content:space-between;align-items:center;margin-bottom:2px;display:flex}.search-result-thread{color:var(--color-text-primary,#333);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.search-result-date{color:var(--color-text-secondary,#666);flex-shrink:0;margin-left:8px;font-size:11px}.search-result-sender{color:var(--color-text-secondary,#666);margin-bottom:4px;font-size:12px;font-weight:500}.search-result-text{color:var(--color-text-primary,#333);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;line-height:1.4;display:-webkit-box;overflow:hidden}.search-highlight{background:color-mix(in srgb, var(--color-primary,#1976d2) 20%, transparent);color:var(--messenger-primary-dark);border-radius:2px;padding:1px 2px}.search-panel-pagination{border-top:1px solid var(--color-border,#e0e0e0);justify-content:center;align-items:center;gap:16px;padding:16px;display:flex}.search-panel-page-btn{border:1px solid var(--color-border,#e0e0e0);cursor:pointer;color:var(--color-text-primary,#333);background:0 0;border-radius:8px;padding:8px 16px;font-size:13px;transition:all .2s}.search-panel-page-btn:hover:not(:disabled){background:var(--color-surface-variant,#f5f5f5);border-color:var(--messenger-primary);color:var(--messenger-primary)}.search-panel-page-btn:disabled{opacity:.5;cursor:not-allowed}.search-panel-page-info{color:var(--color-text-secondary,#666);font-size:12px}.chat-view-status-system{color:var(--messenger-primary);align-items:center;gap:4px;font-size:12px;display:flex}.chat-view-readonly{background:var(--color-surface-variant,#f5f5f5);border-top:1px solid var(--color-border,#e0e0e0);color:var(--color-text-secondary,#666);justify-content:center;align-items:center;gap:8px;padding:16px;font-size:13px;display:flex}.chat-view-readonly svg{color:var(--messenger-primary)}.thread-item-system-badge{background:var(--messenger-primary);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:16px;height:16px;margin-left:4px;display:inline-flex}.message-input-dragover{border-color:var(--messenger-primary)!important;background-color:color-mix(in srgb, var(--color-primary,#1976d2) 5%, var(--color-surface,#fff))!important}.message-input-drop-overlay{background:color-mix(in srgb, var(--color-primary,#1976d2) 8%, #fffffffa);border:2px dashed var(--messenger-primary);z-index:10;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:8px;animation:.15s fadeIn;display:flex;position:absolute;inset:0}.message-input-drop-overlay svg{color:var(--messenger-primary)}.message-input-drop-overlay span{color:var(--messenger-primary);font-size:14px;font-weight:500}@keyframes 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