.chat-layout{display:flex;position:fixed;inset:70px 0 0;overflow:hidden;background:#f5f8fa;z-index:10}.chat-sidebar{width:280px;min-width:280px;background:#fff;border-right:1px solid #e4e6ef;display:flex;flex-direction:column;padding:16px;transition:width .2s ease,min-width .2s ease,padding .2s ease,opacity .2s ease;overflow:hidden}.chat-sidebar--hidden{width:0;min-width:0;padding:0;opacity:0}.chat-sidebar__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.chat-sidebar__list{overflow-y:auto;flex:1}.chat-sidebar__item{padding:10px 12px;border-radius:8px;cursor:pointer;margin-bottom:4px;transition:background .15s}.chat-sidebar__item:hover{background:#f1f3f9}.chat-sidebar__item--active{background:#e8f0fe;border-left:3px solid #3b5de7}.chat-sidebar__item-date{font-size:.78rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-sidebar__show-btn{position:absolute;left:4px;top:50%;transform:translateY(-50%);z-index:10;border-radius:50%;width:32px;height:32px;padding:0;display:flex;align-items:center;justify-content:center}.chat-main{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}.chat-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#fff;border-bottom:1px solid #e4e6ef}.chat-messages{flex:1;overflow-y:auto;padding:24px 20px;display:flex;flex-direction:column;gap:16px}.chat-messages__empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px}.chat-message{display:flex;align-items:flex-start;gap:10px;max-width:80%}.chat-message--user{align-self:flex-end;flex-direction:row-reverse}.chat-message--assistant{align-self:flex-start}.chat-message__avatar{width:34px;height:34px;border-radius:50%;background:#e4e6ef;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:14px;color:#555}.chat-message__avatar--user{background:#3b5de7;color:#fff}.chat-message__bubble{background:#fff;border:1px solid #e4e6ef;border-radius:12px;padding:10px 14px;font-size:.9rem;line-height:1.5}.chat-message--user .chat-message__bubble{background:#3b5de7;color:#fff;border-color:#3b5de7}.chat-message--user .chat-message__bubble small{color:#ffffffb3}.chat-message__bubble--loading{display:flex;align-items:center;gap:4px;padding:14px 18px}.dot{width:8px;height:8px;border-radius:50%;background:#adb5bd;animation:dot-bounce 1.2s infinite ease-in-out}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}@keyframes dot-bounce{0%,80%,to{transform:scale(.7);opacity:.5}40%{transform:scale(1);opacity:1}}.chat-source-data{background:#fff;border:1px solid #e4e6ef;border-radius:12px;padding:14px;align-self:flex-start;max-width:90%}.chat-source-data__title{font-weight:600;font-size:.85rem;margin-bottom:10px;color:#3b5de7}.chat-source-data__item{padding:8px 0;border-bottom:1px solid #f1f3f9;font-size:.83rem}.chat-source-data__item:last-child{border-bottom:none}.chat-suggested{align-self:flex-start;background:#fff;border:1px dashed #3b5de7;border-radius:12px;padding:14px;max-width:90%}.chat-suggested__title{font-size:.8rem;font-weight:600}.chat-input-area{display:flex;align-items:flex-end;gap:10px;padding:14px 20px;background:#fff;border-top:1px solid #e4e6ef}.chat-input-area__textarea{flex:1;resize:none;border-radius:10px;max-height:120px;overflow-y:auto}.chat-input-area__send{width:40px;height:40px;border-radius:50%;padding:0;flex-shrink:0;display:flex;align-items:center;justify-content:center}.chat-filters-panel{position:absolute;top:calc(100% + 6px);right:0;width:260px;background:#fff;border:1px solid #e4e6ef;border-radius:12px;padding:16px;z-index:100;box-shadow:0 4px 20px #0000001a}.chat-fab{position:fixed;bottom:28px;right:28px;width:52px;height:52px;border-radius:50%;background:#3b5de7;color:#fff;border:none;box-shadow:0 4px 16px #3b5de773;display:flex;align-items:center;justify-content:center;font-size:20px;cursor:pointer;z-index:999;transition:transform .15s ease,box-shadow .15s ease}.chat-fab:hover{transform:scale(1.08);box-shadow:0 6px 20px #3b5de78c}.chat-messages--admin{height:auto;max-height:none;overflow-y:visible;padding:0;background:transparent}