.auth-form{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg);background-color:var(--color-background)}.auth-form__container{width:100%;max-width:400px;background-color:var(--color-surface);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-lg)}.auth-form__header{text-align:center;margin-bottom:var(--spacing-xl)}.auth-form__title{font-size:var(--font-size-2xl);font-weight:700;color:#059669;margin-bottom:var(--spacing-xs)}.auth-form__subtitle{color:var(--color-text-secondary);font-size:var(--font-size-md)}.auth-form__form{display:flex;flex-direction:column;gap:var(--spacing-md)}.auth-form__field{display:flex;flex-direction:column;gap:var(--spacing-xs)}.auth-form__label{font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-primary)}.auth-form__input{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-md);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-background);color:var(--color-text-primary);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.auth-form__input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f11a}.auth-form__input::placeholder{color:var(--color-text-muted)}.auth-form__error{padding:var(--spacing-sm) var(--spacing-md);background-color:#ef44441a;border:1px solid var(--color-error);border-radius:var(--radius-md);color:var(--color-error);font-size:var(--font-size-sm)}.auth-form__submit{width:100%;padding:var(--spacing-sm) var(--spacing-md);margin-top:var(--spacing-sm)}.auth-form__submit:disabled{opacity:.7;cursor:not-allowed}.auth-form__footer{margin-top:var(--spacing-lg);text-align:center}.auth-form__switch{color:var(--color-text-secondary);font-size:var(--font-size-sm)}.auth-form__switch-btn{background:none;border:none;color:var(--color-primary);font-weight:500;cursor:pointer;margin-left:var(--spacing-xs);padding:0}.auth-form__switch-btn:hover{text-decoration:underline}.auth-form__clerk{display:flex;justify-content:center;margin:var(--spacing-md) 0}.user-presence{display:inline-flex;align-items:center;gap:var(--spacing-xs)}.user-presence__dot{border-radius:50%;flex-shrink:0}.user-presence--small .user-presence__dot{width:8px;height:8px}.user-presence--medium .user-presence__dot{width:10px;height:10px}.user-presence--large .user-presence__dot{width:12px;height:12px}.user-presence__label{font-size:var(--font-size-xs);color:var(--color-text-muted);text-transform:capitalize}.sidebar__user-avatar .user-presence,.conversation-list__avatar .user-presence{position:absolute;bottom:0;right:0;background-color:var(--color-surface);border-radius:50%;padding:2px}.loading-spinner{display:inline-flex;align-items:center;justify-content:center}.loading-spinner__circle{border-radius:50%;border:2px solid var(--color-border);border-top-color:var(--color-primary);animation:spin .8s linear infinite}.loading-spinner--small .loading-spinner__circle{width:16px;height:16px}.loading-spinner--medium .loading-spinner__circle{width:24px;height:24px;border-width:3px}.loading-spinner--large .loading-spinner__circle{width:40px;height:40px;border-width:4px}.loading-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-md);color:var(--color-text-secondary)}.conversation-list{list-style:none;padding:0;margin:0}.conversation-list__loading,.conversation-list__empty{padding:var(--spacing-xl);text-align:center;color:var(--color-text-muted)}.conversation-list__empty-hint{font-size:var(--font-size-sm);margin-top:var(--spacing-xs)}.conversation-list__item{width:100%;display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:none;border:none;text-align:left;cursor:pointer;transition:background-color var(--transition-fast)}.conversation-list__item:hover{background-color:var(--color-surface-elevated)}.conversation-list__item--active{background-color:var(--color-surface-elevated);border-left:3px solid var(--color-primary)}.conversation-list__avatar{position:relative;flex-shrink:0;width:48px;height:48px;border-radius:50%;background-color:var(--color-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:var(--font-size-lg);overflow:hidden}.conversation-list__avatar img{width:100%;height:100%;object-fit:cover}.conversation-list__content{flex:1;min-width:0}.conversation-list__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-xs)}.conversation-list__name{font-weight:500;color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-list__time{font-size:var(--font-size-xs);color:var(--color-text-muted);flex-shrink:0}.conversation-list__preview{font-size:var(--font-size-sm);color:var(--color-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0}.group-list{list-style:none;padding:0;margin:0}.group-list__loading,.group-list__empty{padding:var(--spacing-xl);text-align:center;color:var(--color-text-muted)}.group-list__empty-hint{font-size:var(--font-size-sm);margin-top:var(--spacing-xs)}.group-list__item{width:100%;display:flex;align-items:flex-start;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:none;border:none;text-align:left;cursor:pointer;transition:background-color var(--transition-fast)}.group-list__item:hover{background-color:var(--color-surface-elevated)}.group-list__item--active{background-color:var(--color-surface-elevated);border-left:3px solid var(--color-primary)}.group-list__avatar{flex-shrink:0;width:48px;height:48px;border-radius:var(--radius-md);background-color:var(--color-secondary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:var(--font-size-lg);overflow:hidden}.group-list__avatar img{width:100%;height:100%;object-fit:cover}.group-list__content{flex:1;min-width:0}.group-list__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-xs)}.group-list__name{font-weight:500;color:var(--color-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.group-list__time{font-size:var(--font-size-xs);color:var(--color-text-muted);flex-shrink:0}.group-list__meta{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-xs)}.group-list__members{font-size:var(--font-size-xs);color:var(--color-text-muted)}.group-list__role{font-size:var(--font-size-xs);color:var(--color-primary);font-weight:500}.group-list__preview{font-size:var(--font-size-sm);color:var(--color-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:0}.user-search__overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-md)}.user-search{width:100%;max-width:400px;max-height:500px;background-color:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}.user-search__header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);border-bottom:1px solid var(--color-border)}.user-search__header h2{font-size:var(--font-size-lg);font-weight:600;margin:0}.user-search__close{background:none;border:none;font-size:var(--font-size-lg);color:var(--color-text-muted);cursor:pointer;padding:var(--spacing-xs)}.user-search__close:hover{color:var(--color-text-primary)}.user-search__input-wrapper{padding:var(--spacing-md);border-bottom:1px solid var(--color-border)}.user-search__input{width:100%;padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-md);background-color:var(--color-background);color:var(--color-text-primary)}.user-search__input:focus{outline:none;border-color:var(--color-primary)}.user-search__results{flex:1;overflow-y:auto}.user-search__hint,.user-search__empty,.user-search__loading{padding:var(--spacing-xl);text-align:center;color:var(--color-text-muted)}.user-search__list{list-style:none;padding:0;margin:0}.user-search__item{width:100%;display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:none;border:none;text-align:left;cursor:pointer;transition:background-color var(--transition-fast)}.user-search__item:hover{background-color:var(--color-surface-elevated)}.user-search__item:disabled{opacity:.7;cursor:not-allowed}.user-search__avatar{position:relative;width:40px;height:40px;border-radius:50%;background-color:var(--color-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;overflow:hidden}.user-search__avatar img{width:100%;height:100%;object-fit:cover}.user-search__info{display:flex;flex-direction:column}.user-search__name{font-weight:500;color:var(--color-text-primary)}.user-search__email{font-size:var(--font-size-sm);color:var(--color-text-muted)}.create-group__overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-md)}.create-group{width:100%;max-width:450px;max-height:90vh;background-color:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}.create-group__header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);border-bottom:1px solid var(--color-border)}.create-group__header h2{font-size:var(--font-size-lg);font-weight:600;margin:0}.create-group__close{background:none;border:none;font-size:var(--font-size-lg);color:var(--color-text-muted);cursor:pointer}.create-group__form{padding:var(--spacing-md);overflow-y:auto;display:flex;flex-direction:column;gap:var(--spacing-md)}.create-group__field{display:flex;flex-direction:column;gap:var(--spacing-xs)}.create-group__field label{font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-primary)}.create-group__field input,.create-group__field textarea{padding:var(--spacing-sm);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-md);background-color:var(--color-background);color:var(--color-text-primary)}.create-group__field input:focus,.create-group__field textarea:focus{outline:none;border-color:var(--color-primary)}.create-group__search-results{margin-top:var(--spacing-xs);border:1px solid var(--color-border);border-radius:var(--radius-md);max-height:150px;overflow-y:auto;background-color:var(--color-background)}.create-group__search-results ul{list-style:none;padding:0;margin:0}.create-group__search-results button{width:100%;padding:var(--spacing-sm);background:none;border:none;text-align:left;cursor:pointer}.create-group__search-results button:hover{background-color:var(--color-surface-elevated)}.create-group__no-results{padding:var(--spacing-sm);text-align:center;color:var(--color-text-muted);font-size:var(--font-size-sm)}.create-group__selected label{font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-primary);margin-bottom:var(--spacing-xs)}.create-group__tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs)}.create-group__tag{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);background-color:var(--color-primary);color:#fff;border-radius:var(--radius-full);font-size:var(--font-size-sm)}.create-group__tag button{background:none;border:none;color:#fff;cursor:pointer;padding:0;font-size:var(--font-size-xs)}.create-group__error{padding:var(--spacing-sm);background-color:#ef44441a;border:1px solid var(--color-error);border-radius:var(--radius-md);color:var(--color-error);font-size:var(--font-size-sm)}.create-group__actions{display:flex;gap:var(--spacing-sm);justify-content:flex-end;padding-top:var(--spacing-md);border-top:1px solid var(--color-border)}.notification-bell{position:relative}.notification-bell__button{background:none;border:none;cursor:pointer;padding:var(--spacing-xs);position:relative;display:flex;align-items:center;justify-content:center;color:#eab308}.notification-bell__button:hover{color:#ca8a04}.notification-bell__icon{width:1.25rem;height:1.25rem;flex-shrink:0}.notification-bell__badge{position:absolute;top:-2px;right:-2px;min-width:18px;height:18px;padding:0 4px;background-color:var(--color-error);color:#fff;font-size:10px;font-weight:600;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center}.notification-bell__overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:999}.notification-bell__dropdown{position:fixed;max-height:min(400px,calc(100vh - 80px));background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:1000;overflow:hidden;display:flex;flex-direction:column}.notification-bell__header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm) var(--spacing-md);border-bottom:1px solid var(--color-border)}.notification-bell__header h3{font-size:var(--font-size-md);font-weight:600;margin:0}.notification-bell__header-actions{display:flex;align-items:center;gap:var(--spacing-sm)}.notification-bell__mark-read{background:none;border:none;color:var(--color-primary);font-size:var(--font-size-sm);cursor:pointer}.notification-bell__mark-read:hover{text-decoration:underline}.notification-bell__settings-btn{background:none;border:none;font-size:var(--font-size-md);cursor:pointer;padding:var(--spacing-xs);border-radius:var(--radius-sm);transition:background-color var(--transition-fast)}.notification-bell__settings-btn:hover{background-color:var(--color-surface-elevated)}.notification-bell__settings{padding:var(--spacing-md)}.notification-bell__settings h4{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary);margin:0 0 var(--spacing-md) 0;text-transform:uppercase;letter-spacing:.05em}.notification-bell__settings-row{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) 0}.notification-bell__settings-row span{font-size:var(--font-size-sm);color:var(--color-text-primary)}.notification-bell__toggle{position:relative;width:44px;height:24px;background-color:var(--color-surface-elevated);border:none;border-radius:var(--radius-full);cursor:pointer;transition:background-color var(--transition-fast)}.notification-bell__toggle--on{background-color:var(--color-success)}.notification-bell__toggle-slider{position:absolute;top:2px;left:2px;width:20px;height:20px;background-color:#fff;border-radius:50%;transition:transform var(--transition-fast);box-shadow:var(--shadow-sm)}.notification-bell__toggle--on .notification-bell__toggle-slider{transform:translate(20px)}.notification-bell__toggle:disabled{opacity:.5;cursor:not-allowed}.notification-bell__settings-info{font-size:var(--font-size-xs);color:var(--color-text-muted);margin:var(--spacing-sm) 0;line-height:1.5}.notification-bell__settings-error{font-size:var(--font-size-xs);color:var(--color-error);margin:var(--spacing-sm) 0}.notification-bell__back-btn{width:100%;padding:var(--spacing-sm);margin-top:var(--spacing-md);background:none;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-sm);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast)}.notification-bell__back-btn:hover{background-color:var(--color-surface-elevated);color:var(--color-text-primary)}.notification-bell__list{flex:1;overflow-y:auto}.notification-bell__loading,.notification-bell__empty{padding:var(--spacing-xl);text-align:center;color:var(--color-text-muted)}.notification-bell__item{width:100%;display:flex;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:none;border:none;border-bottom:1px solid var(--color-border);text-align:left;cursor:pointer;transition:background-color var(--transition-fast)}.notification-bell__item:hover{background-color:var(--color-surface-elevated)}.notification-bell__item--unread{background-color:#6366f10d}.notification-bell__item-icon{font-size:var(--font-size-lg);flex-shrink:0}.notification-bell__item-content{flex:1;min-width:0}.notification-bell__item-title{font-weight:500;font-size:var(--font-size-sm);margin:0 0 var(--spacing-xs) 0;color:var(--color-text-primary)}.notification-bell__item-body{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin:0 0 var(--spacing-xs) 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.notification-bell__item-time{font-size:var(--font-size-xs);color:var(--color-text-muted)}.sidebar{width:320px;height:100vh;display:flex;flex-direction:column;background-color:#fff;border-right:1px solid #e2e8f0;overflow:hidden}.sidebar__toggle{font-size:var(--font-size-lg);cursor:pointer;padding:var(--spacing-xs);color:var(--color-text-secondary);border-radius:var(--radius-md);width:2.1rem;height:2rem}.sidebar__toggle:hover{background-color:var(--color-surface-elevated)}.sidebar__toggle--collapsed{position:fixed;top:var(--spacing-md);left:var(--spacing-md);z-index:100;background-color:var(--color-surface)}.sidebar__header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md);border-bottom:1px solid var(--color-border)}.sidebar__logo{font-size:var(--font-size-xl);font-weight:700;color:#059669;margin:0}.sidebar__logo--clickable{cursor:pointer;transition:opacity var(--transition-fast)}.sidebar__logo--clickable:hover{opacity:.8}.sidebar__logo--clickable:focus{outline:2px solid #10b981;outline-offset:2px;border-radius:var(--radius-sm)}.sidebar__header-actions{display:flex;align-items:center;gap:var(--spacing-sm)}.sidebar__user{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md);border-bottom:1px solid var(--color-border)}.sidebar__user-info{display:flex;align-items:center;gap:var(--spacing-sm)}.sidebar__user-avatar{position:relative;width:40px;height:40px;border-radius:50%;background-color:#10b981;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;overflow:hidden}.sidebar__user-avatar img{width:100%;height:100%;object-fit:cover}.sidebar__user-details{display:flex;flex-direction:column}.sidebar__user-name{font-weight:500;font-size:var(--font-size-sm)}.sidebar__user-status{font-size:var(--font-size-xs);color:var(--color-text-muted);text-transform:capitalize}.sidebar__signout{background:none;border:none;color:var(--color-text-muted);font-size:var(--font-size-xs);cursor:pointer;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm)}.sidebar__signout:hover{background-color:var(--color-surface-elevated);color:var(--color-error)}.sidebar__actions{display:flex;gap:var(--spacing-sm);padding:var(--spacing-md)}.sidebar__action-btn{flex:1;padding:var(--spacing-sm);background-color:#10b981;color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--font-size-sm);cursor:pointer;transition:background-color var(--transition-fast)}.sidebar__action-btn:hover{background-color:#059669}.sidebar__nav-links{display:flex;flex-direction:column;padding:0 var(--spacing-md) var(--spacing-md)}.sidebar__nav-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md)}.sidebar__nav-icon{flex-shrink:0;width:1rem;height:1rem}.sidebar__nav-link:hover{background-color:#10b98133;color:var(--color-text-primary);cursor:pointer}.sidebar__nav-link--active{background-color:#10b9811a;color:#059669}.sidebar__tabs{display:flex;border-bottom:1px solid var(--color-border)}.sidebar__tab{flex:1;padding:var(--spacing-sm) var(--spacing-md);background:none;border:none;border-bottom:2px solid transparent;font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-fast)}.sidebar__tab:hover{color:var(--color-text-primary);background-color:var(--color-surface-elevated)}.sidebar__tab--active{color:#059669;border-bottom-color:#10b981}.sidebar__content{flex:1;overflow-y:auto}@media(max-width:768px){.sidebar{position:fixed;left:0;top:0;z-index:1000;width:100%;max-width:320px;box-shadow:var(--shadow-lg)}}.message-item{display:flex;align-items:flex-end;position:relative;padding-left:44px;width:100%}.message-item--own{padding-left:0;padding-right:0}.message-item__main-wrap{display:flex;justify-content:flex-start;align-items:flex-end;width:100%;min-width:0}.message-item--own .message-item__main-wrap{justify-content:flex-end}.message-item--own .message-item__main{flex-shrink:0;margin-left:auto;width:fit-content;max-width:100%}.message-item--with-avatar{margin-top:var(--spacing-md)}.message-item__avatar{position:absolute;left:0;bottom:0;width:36px;height:36px;border-radius:50%;background-color:var(--color-surface);display:flex;align-items:center;justify-content:center;overflow:hidden;font-size:var(--font-size-sm);color:var(--color-text-secondary)}.message-item__avatar img{width:100%;height:100%;object-fit:cover}.message-item__main{position:relative;display:inline-block;max-width:100%}.message-item__bubble{max-width:30rem;min-width:6.5rem;padding:var(--spacing-sm) var(--spacing-md);background-color:var(--color-received-message);border-radius:var(--radius-lg);border-bottom-left-radius:var(--radius-sm);position:relative}.message-item--own 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