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var(--border-color);border-radius:8px;color:var(--text-primary);font-size:13px}.chats-catalog-buttons{display:flex;flex-wrap:wrap;gap:6px;justify-content:stretch}.chats-catalog-buttons .btn{flex:1;min-width:0;padding:8px 10px;font-size:12px}.chats-catalog-archived{margin:2px 0}.chats-catalog-archived button{width:100%;padding:6px 10px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;color:var(--text-secondary);font-size:12px;cursor:pointer}.chats-catalog-archived button.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.sidebar .chat-list{flex:1;min-height:0;overflow-y:auto}.chats-main{display:flex;flex-direction:column;min-height:0;background:var(--bg-primary);contain:layout paint}.chats-main-toolbar{flex-shrink:0;padding:10px 16px;border-bottom:1px solid var(--border-color);background:var(--bg-card)}.chats-main-toolbar .chat-filters-row{border:none;padding:0;background:transparent;justify-content:flex-start}.chats-catalog-filters{margin-bottom:var(--spacing-md)}.chats-catalog-filters .chat-filters-catalog button{width:100%;justify-content:flex-start}.chats-main-content{flex:1;min-height:480px;overflow:hidden;display:flex;flex-direction:column;background:var(--bg-primary);contain:layout paint}.chats-empty-state{flex:1;min-height:400px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;background:var(--bg-primary)}.sidebar-actions-center{display:flex;justify-content:center;width:100%}.chat-type-buttons .btn{padding:6px 12px;font-size:13px;min-width:0}.main{grid-area:main;display:flex;flex-direction:column;height:100%;min-height:0;background:var(--bg-primary);overflow:hidden;position:relative;min-width:0}.header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-card);border:none;border-bottom:1px solid transparent;border-bottom-color:#ffffff0f;backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);position:sticky;top:0;z-index:100;flex-shrink:0;width:100%}@supports not (backdrop-filter: blur(1px)){.header{background:var(--bg-secondary)}}.chat-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);background:#151b24cc;border:none;border-bottom:1px solid rgba(255,255,255,.06);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);position:sticky;top:0;z-index:50;flex-shrink:0;width:100%}.chat-header-actions{display:flex;align-items:center;gap:var(--spacing-sm);flex-wrap:wrap}.chat-header-actions button{padding:8px 12px;font-size:13px;border-radius:var(--radius-md)}.header .title{font-size:24px;font-weight:800;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.5px}.chat-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.chat-item{padding:var(--spacing-md);border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.1);background:#151b2499;backdrop-filter:blur(10px) saturate(150%);-webkit-backdrop-filter:blur(10px) saturate(150%);cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden;box-shadow:0 2px 8px #0003}.chat-item:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent-gradient);transform:scaleY(0);transition:transform var(--transition-base)}.chat-item:hover{background:var(--bg-hover);border-color:var(--border-hover);transform:translate(4px);box-shadow:var(--shadow-md)}.chat-item:hover:before{transform:scaleY(1)}.chat-item.active{background:#6366f133;border-color:var(--accent-primary);box-shadow:0 4px 16px #6366f14d,var(--shadow-glow);backdrop-filter:blur(12px) saturate(180%);-webkit-backdrop-filter:blur(12px) saturate(180%)}.chat-item.active:before{transform:scaleY(1)}.chat-item-name{font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.chat-item-preview{font-size:13px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-item-time{font-size:11px;color:var(--text-tertiary);margin-top:var(--spacing-xs)}.messages-container{flex:1;overflow-y:auto;overflow-x:hidden;padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-md);scroll-behavior:smooth;position:relative;min-height:0;height:calc(100vh - 300px);max-height:calc(100vh - 300px)}.chat-messages{padding-top:var(--spacing-sm)!important;padding-bottom:var(--spacing-md)!important}.messages-container:empty:before{content:"";display:none}.message-wrapper{opacity:1!important;visibility:visible!important;display:flex!important}.enhanced-chat-window{display:flex;flex-direction:column;height:100vh;height:100dvh;width:100%;position:relative;overflow:hidden}.enhanced-chat-window .messages-container{flex:1;overflow-y:auto;overflow-x:hidden;padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-md);scroll-behavior:smooth;position:relative;min-height:0;height:calc(100vh - 250px);height:calc(100dvh - 250px);max-height:calc(100vh - 250px);max-height:calc(100dvh - 250px)}.message-wrapper{display:flex;gap:var(--spacing-md);max-width:75%;animation:messageSlideIn .3s ease-out}.message-wrapper.message-me{align-self:flex-end;flex-direction:row-reverse}.message-avatar{width:40px;height:40px;border-radius:var(--radius-full);overflow:hidden;flex-shrink:0;border:2px solid var(--border-color);background:var(--accent-gradient)}.message-bubble{background:#151b24b3;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:var(--spacing-md);box-shadow:0 2px 12px #0000004d;position:relative;backdrop-filter:blur(10px) saturate(150%);-webkit-backdrop-filter:blur(10px) saturate(150%)}.message-wrapper.message-me .message-bubble{background:var(--accent-gradient);border:none;color:#fff}.message-text{word-wrap:break-word;white-space:pre-wrap;line-height:1.5}.message-meta{display:flex;align-items:center;gap:var(--spacing-sm);margin-top:var(--spacing-xs);font-size:11px;opacity:.7}.message-date-separator{display:flex;align-items:center;justify-content:center;padding:var(--spacing-md) 0;margin:var(--spacing-sm) 0}.message-date-separator span{padding:6px 14px;border-radius:var(--radius-full);font-size:12px;font-weight:600;color:var(--text-secondary);background:#ffffff0f;border:1px solid var(--border-color);letter-spacing:.02em}.chat-empty-state{flex:1;min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl);text-align:center}.chat-empty-icon{font-size:56px;margin-bottom:var(--spacing-md);opacity:.6;filter:grayscale(.2)}.chat-empty-title{font-size:18px;font-weight:600;color:var(--text-primary);margin:0 0 var(--spacing-xs)}.chat-empty-desc{font-size:14px;color:var(--text-secondary);margin:0 0 var(--spacing-sm);max-width:280px}.chat-empty-hint{font-size:12px;color:var(--text-tertiary);margin:0}.scroll-to-bottom-fab{position:absolute;bottom:90px;right:24px;width:44px;height:44px;border-radius:var(--radius-full);border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-primary);font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px #00000059;z-index:30;transition:transform .2s,box-shadow .2s,background .2s}.scroll-to-bottom-fab:hover{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary);transform:scale(1.08);box-shadow:0 6px 24px #6366f166}.typing-indicator{display:flex;align-items:center;gap:8px;padding:10px 14px;margin:var(--spacing-sm) 0;background:#ffffff0a;border-radius:var(--radius-lg);width:-moz-fit-content;width:fit-content;border:1px solid var(--border-color)}.typing-indicator span:nth-child(1),.typing-indicator span:nth-child(2),.typing-indicator span:nth-child(3){width:6px;height:6px;border-radius:50%;background:var(--text-secondary);animation:typing-bounce 1.4s ease-in-out infinite}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}.typing-indicator-names{font-size:12px;color:var(--text-secondary);margin-left:4px}@keyframes typing-bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}.chat-input-container{padding:var(--spacing-md) var(--spacing-lg);background:#151b24cc;border:none;border-top:1px solid rgba(255,255,255,.06);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);position:relative;z-index:10;flex-shrink:0}@supports not (backdrop-filter: blur(1px)){.chat-input-container{background:var(--bg-secondary)}}.chat-input-wrapper{display:flex!important;align-items:flex-end;gap:var(--spacing-sm);width:100%;position:relative}.chat-input{flex:1;min-height:44px;max-height:200px;resize:none;padding:12px 16px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-lg);color:var(--text-primary);font-size:14px;line-height:1.5;font-family:inherit}.chat-input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f11a;outline:none}.attach-btn,.emoji-btn,.sticker-btn,.gif-btn,.location-btn,.record-btn,.send-btn{width:44px!important;height:44px!important;min-width:44px!important;min-height:44px!important;display:flex!important;align-items:center;justify-content:center;border-radius:var(--radius-full);border:1px solid var(--border-color);background:var(--bg-card);cursor:pointer;font-size:18px;transition:all var(--transition-base);flex-shrink:0;padding:0;margin:0;position:relative;z-index:1}.attach-btn:hover,.emoji-btn:hover,.sticker-btn:hover,.gif-btn:hover,.location-btn:hover,.send-btn:hover{background:var(--accent-primary);border-color:var(--accent-primary);transform:scale(1.05);box-shadow:var(--shadow-glow)}.send-btn{background:var(--accent-gradient);border:none;color:#fff}.send-btn:hover{transform:scale(1.1);box-shadow:var(--shadow-glow-strong)}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl);text-align:center;color:var(--text-secondary)}.empty-state-icon{font-size:64px;margin-bottom:var(--spacing-md);opacity:.5}.empty-state-title{font-size:20px;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-sm)}.empty-state-description{font-size:14px;color:var(--text-secondary);max-width:400px}.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-full);font-size:11px;font-weight:600;background:#6366f133;color:var(--accent-primary);border:1px solid rgba(99,102,241,.3)}.badge-success{background:#10b98133;color:var(--success);border-color:#10b9814d}.badge-danger{background:#ef444433;color:var(--danger);border-color:#ef44444d}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-card);border-radius:var(--radius-full);border:2px solid transparent}::-webkit-scrollbar-thumb:hover{background:var(--bg-hover)}@supports (scrollbar-width: thin){*{scrollbar-width:thin;scrollbar-color:var(--bg-card) transparent}}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:10000px 0}}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.modal-overlay{position:fixed;inset:0;background:#000000b3;backdrop-filter:var(--blur-sm);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn var(--transition-base)}.modal-content{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-lg);max-width:500px;width:90%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideIn var(--transition-base)}.toast{position:fixed;top:var(--spacing-md);right:var(--spacing-md);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-md);box-shadow:var(--shadow-lg);z-index:2000;animation:slideIn var(--transition-base)}.toast-success{border-left:4px solid var(--success)}.toast-error{border-left:4px solid var(--danger)}.toast-warning{border-left:4px solid var(--warning)}.loading{display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl)}.spinner{width:32px;height:32px;border:3px solid var(--border-color);border-top-color:var(--accent-primary);border-radius:var(--radius-full);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.enhanced-chat-window{display:flex!important;flex-direction:column!important;height:100%!important;width:100%!important;position:relative;overflow:hidden}.chat-input-wrapper{display:flex!important;align-items:flex-end!important;gap:var(--spacing-sm)!important;width:100%!important;visibility:visible!important;opacity:1!important}@media (max-width: 768px){.container{grid-template-columns:1fr;grid-template-areas:"main"}.sidebar{position:fixed;left:-100%;top:0;bottom:0;width:280px;z-index:200;transition:left var(--transition-base)}.sidebar.open{left:0}}@media (min-width: 1920px){.container{grid-template-columns:minmax(320px,380px) 1fr}}@media (min-width: 2560px){.container{grid-template-columns:minmax(340px,420px) 1fr}.app-shell{font-size:15px}}@media (min-width: 3840px){.container{grid-template-columns:minmax(380px,480px) 1fr}.app-shell{font-size:16px}}.dm-call-overlay{position:fixed;inset:0;background:#000000f2;z-index:10000;display:flex;align-items:center;justify-content:center}.dm-call-container{width:100%;height:100%;position:relative;display:flex;flex-direction:column;background:var(--bg-primary)}.dm-call-header{position:absolute;top:0;left:0;right:0;padding:var(--spacing-md);background:#00000080;display:flex;justify-content:space-between;align-items:center;z-index:10001}.dm-call-header h3{color:var(--text-primary);margin:0}.close-call-btn{background:#ffffff1a;border:none;color:var(--text-primary);width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:20px;display:flex;align-items:center;justify-content:center;transition:var(--transition-base)}.close-call-btn:hover{background:#fff3}.dm-call-video-container{flex:1;position:relative;width:100%;height:100%;overflow:hidden}.call-control-btn{width:56px;height:56px;border-radius:50%;border:none;background:#fff3;color:#fff;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition-base);backdrop-filter:blur(10px)}.call-control-btn:hover{background:#ffffff4d;transform:scale(1.1)}.call-control-btn.active{background:#fff6}.call-control-btn.hangup{background:var(--danger)}.call-control-btn.hangup:hover{background:#dc2626;transform:scale(1.1)}.message-reply{-webkit-user-select:none;-moz-user-select:none;user-select:none}.message.highlight{animation:highlight-pulse 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var(--spacing-md);cursor:pointer;transition:var(--transition-base)}.mention-item:hover,.mention-item.selected{background:var(--bg-hover)}.mention-avatar{width:32px;height:32px;border-radius:50%;-o-object-fit:cover;object-fit:cover}.mention-avatar-placeholder{width:32px;height:32px;border-radius:50%;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px}.mention-username{font-weight:500;color:var(--text-primary)}.media-gallery-overlay{position:fixed;inset:0;background:#000000e6;backdrop-filter:blur(8px);z-index:10000;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease-out}.media-gallery{width:90%;max-width:1200px;height:90%;background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}.media-gallery-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--border-color)}.media-gallery-header h3{margin:0;color:var(--text-primary);font-size:20px;font-weight:600}.media-gallery-header .close-btn{background:transparent;border:none;color:var(--text-secondary);font-size:24px;cursor:pointer;padding:var(--spacing-xs);border-radius:var(--radius-sm);transition:var(--transition-base)}.media-gallery-header .close-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.media-filters{display:flex;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--border-color);overflow-x:auto}.filter-btn{padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:var(--transition-base);white-space:nowrap;font-size:14px}.filter-btn:hover{background:var(--bg-hover);border-color:var(--border-hover);color:var(--text-primary)}.filter-btn.active{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff}.media-loading,.media-empty{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:16px}.media-grid{flex:1;overflow-y:auto;padding:var(--spacing-md);display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--spacing-md)}.media-item{position:relative;aspect-ratio:1;border-radius:var(--radius-md);overflow:hidden;cursor:pointer;background:var(--bg-secondary);transition:var(--transition-base)}.media-item:hover{transform:scale(1.05);box-shadow:var(--shadow-glow)}.media-item img,.media-item 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(max-width: 768px){.chat-back-btn-mobile,.chats-mobile-menu-bar,.sidebar-close-btn-mobile{display:flex}*{-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none}body{font-size:14px;overflow-x:hidden}.app-shell .header{padding-left:var(--spacing-md);padding-right:var(--spacing-md);overflow-x:auto;-webkit-overflow-scrolling:touch;flex-wrap:nowrap;gap:8px}.app-shell .header nav{flex-wrap:nowrap;min-width:-moz-min-content;min-width:min-content}.app-header{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}.app-container{width:100%;max-width:100vw;height:100vh;height:100dvh;overflow:hidden}.nav-sidebar{position:fixed;left:-100%;top:0;width:80%;max-width:320px;height:100vh;z-index:1000;transition:left .3s ease;box-shadow:2px 0 10px 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