.chat-bubble-btn{z-index:9999;background:var(--primary);width:56px;height:56px;color:var(--primary-foreground);cursor:pointer;border:none;border-radius:9999px;outline:none;justify-content:center;align-items:center;transition:box-shadow .15s,transform .2s,opacity .2s;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 16px #00000040,0 2px 6px #00000026;box-shadow:0 4px 16px lab(0% 0 0/.25),0 2px 6px lab(0% 0 0/.15)}.chat-bubble-btn:hover{transform:scale(1.06);box-shadow:0 6px 24px #0000004d;box-shadow:0 6px 24px lab(0% 0 0/.3)}.chat-bubble-btn:active{transform:scale(.96)}.chat-bubble-btn--hidden{opacity:0;pointer-events:none;transform:scale(.7)}.chat-bubble-badge{background:var(--destructive);color:#fff;color:lab(100% 0 0);border:2px solid var(--background);pointer-events:none;border-radius:9999px;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 5px;font-size:11px;font-weight:700;display:flex;position:absolute;top:-4px;right:-4px}.chat-panel-wrap{z-index:9997;opacity:0;pointer-events:none;transition:opacity .22s cubic-bezier(.4,0,.2,1),transform .22s cubic-bezier(.4,0,.2,1);position:fixed;inset:0;transform:translate(3%)}.chat-panel-wrap--open{opacity:1;pointer-events:all;transform:translate(0)}.chat-panel{background:var(--background);border:none;border-radius:0;width:100%;height:100%;display:flex;position:relative;overflow:hidden}.chat-reconnect-banner{z-index:10;text-align:center;background:var(--muted);color:var(--muted-foreground);border-bottom:1px solid var(--border);justify-content:center;align-items:center;gap:6px;padding:6px 16px;font-size:12px;display:flex;position:absolute;top:0;left:0;right:0}.chat-dm-list{border-right:1px solid var(--border);background:var(--sidebar);flex-direction:column;flex-shrink:0;width:340px;height:100%;display:flex}.chat-dm-me{border-bottom:1px solid var(--border);background:var(--sidebar);flex-shrink:0;align-items:center;gap:12px;padding:14px 16px;display:flex}.chat-dm-me-avatar{background:var(--primary);width:40px;height:40px;color:var(--primary-foreground);border-radius:9999px;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;font-weight:600;display:flex}.chat-dm-me-info{flex-direction:column;gap:4px;min-width:0;display:flex}.chat-dm-me-name{color:var(--foreground);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.chat-dm-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:16px 16px 14px;display:flex}.chat-dm-header-brand{align-items:center;gap:10px;display:flex}.chat-dm-logo{flex-shrink:0;width:auto;height:26px}.chat-dm-title{color:var(--foreground);font-size:18px;font-weight:700}.chat-dm-close-btn{width:32px;height:32px;color:var(--muted-foreground);cursor:pointer;background:0 0;border:none;border-radius:9999px;justify-content:center;align-items:center;padding:0;transition:background .12s,color .12s;display:flex}.chat-dm-close-btn:hover{background:var(--accent);color:var(--foreground)}.chat-dm-search-wrap{flex-shrink:0;padding:12px 14px;position:relative}.chat-search-icon{color:var(--muted-foreground);pointer-events:none;position:absolute;top:50%;left:25px;transform:translateY(-50%)}.chat-dm-search{border-radius:var(--radius-md,.5rem);border:1px solid var(--border);background:var(--background);width:100%;color:var(--foreground);box-sizing:border-box;outline:none;padding:9px 12px 9px 34px;font-size:14px;transition:border-color .15s}.chat-dm-search::placeholder{color:var(--muted-foreground)}.chat-dm-search:focus{border-color:var(--ring)}.chat-dm-users{flex:1;padding:4px 8px 16px;overflow-y:auto}.chat-dm-users::-webkit-scrollbar{width:4px}.chat-dm-users::-webkit-scrollbar-thumb{background:var(--border);border-radius:9999px}.chat-dm-empty{text-align:center;color:var(--muted-foreground);padding:32px 16px;font-size:14px}.chat-dm-skeleton{flex-direction:column;gap:4px;padding:4px 0;display:flex}.chat-dm-skeleton-row{align-items:center;gap:10px;padding:10px 12px;display:flex}.chat-dm-skeleton-avatar{background:var(--muted);border-radius:50%;flex-shrink:0;width:36px;height:36px;animation:1.4s ease-in-out infinite chat-skeleton-pulse}.chat-dm-skeleton-lines{flex-direction:column;flex:1;gap:6px;display:flex}.chat-dm-skeleton-name{background:var(--muted);border-radius:6px;width:65%;height:12px;animation:1.4s ease-in-out infinite chat-skeleton-pulse}.chat-dm-skeleton-role{background:var(--muted);border-radius:6px;width:40%;height:10px;animation:1.4s ease-in-out .2s infinite chat-skeleton-pulse}@keyframes chat-skeleton-pulse{0%,to{opacity:1}50%{opacity:.4}}.chat-dm-user{border-radius:var(--radius-md,.5rem);cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:12px 10px;transition:background .12s;display:flex;position:relative}.chat-dm-user:hover,.chat-dm-user--active{background:var(--accent)}.chat-dm-user:disabled{opacity:.7;cursor:default}.chat-dm-avatar{background:var(--primary);width:46px;height:46px;color:var(--primary-foreground);border-radius:9999px;flex-shrink:0;justify-content:center;align-items:center;font-size:15px;font-weight:600;display:flex;position:relative}.chat-dm-avatar-initials{pointer-events:none;-webkit-user-select:none;user-select:none}.chat-dm-online-dot{border:2px solid var(--sidebar);background:#51c148;background:lab(69.7169% -50.5724 49.3033);border-radius:9999px;width:11px;height:11px;position:absolute;bottom:2px;right:2px}.chat-dm-info{flex-direction:column;flex:1;gap:4px;min-width:0;display:flex}.chat-dm-name-row{justify-content:space-between;align-items:center;gap:6px;display:flex}.chat-dm-name{color:var(--foreground);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.chat-dm-unread{color:#fff;color:lab(100% 0 0);background:#51c148;background:lab(69.7169% -50.5724 49.3033);border-radius:9999px;flex-shrink:0;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 5px;font-size:11px;font-weight:700;display:flex}.chat-dm-meta{align-items:center;gap:6px;display:flex}.chat-role-badge{text-transform:uppercase;letter-spacing:.04em;border-radius:9999px;padding:2px 7px;font-size:10px;font-weight:600}.chat-role-badge--driver{color:#00476d;color:lab(27.7363% -8.18346 -36.9692);background:#aedeff33;background:lab(86.1198% -11.3238 -25.6372/.2)}.chat-role-badge--staff{color:#00482e;color:lab(26.1704% -43.1675 11.893);background:#96edc733;background:lab(87.4157% -33.6017 9.63773/.2)}.chat-role-badge--admin{color:#452e86;color:lab(25.8096% 28.3369 -46.7444);background:#ccc5ff33;background:lab(81.4815% 14.4835 -34.3632/.2)}.dark .chat-role-badge--driver{color:#70b6e7;color:lab(70.991% -12.9073 -31.6937);background:#003f6059;background:lab(24.4811% -7.8918 -24.9024/.35)}.dark .chat-role-badge--staff{color:#4dbc92;color:lab(69.115% -40.8548 11.6308);background:#00382559;background:lab(19.9822% -31.8818 8.86663/.35)}.dark .chat-role-badge--admin{color:#ada0f5;color:lab(69.5677% 18.5122 -40.8856);background:#34266159;background:lab(19.6239% 18.9223 -33.4752/.35)}.chat-dm-user--no-chat{opacity:.55;cursor:default}.chat-dm-user--no-chat:hover{background:0 0}.chat-dm-no-chat-label{color:var(--muted-foreground);font-size:10px;font-style:italic}.chat-dm-loading{color:var(--muted-foreground);flex-shrink:0;align-items:center;margin-left:4px;display:flex}@keyframes chat-spin{to{transform:rotate(360deg)}}.chat-spin{animation:.7s linear infinite chat-spin}.chat-window{background:var(--background);flex-direction:column;flex:1;min-width:0;height:100%;display:flex}.chat-window--empty{justify-content:center;align-items:center;position:relative}.chat-window-empty-state{color:var(--muted-foreground);text-align:center;flex-direction:column;align-items:center;gap:14px;padding:48px 32px;display:flex}.chat-window-empty-state p{margin:0;font-size:15px}.chat-window-header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:12px;min-height:65px;padding:14px 16px 14px 20px;display:flex}.chat-window-close-btn{width:34px;height:34px;color:var(--muted-foreground);cursor:pointer;background:0 0;border:none;border-radius:9999px;flex-shrink:0;justify-content:center;align-items:center;margin-left:auto;padding:0;transition:background .12s,color .12s;display:flex}.chat-window-close-btn:hover{background:var(--accent);color:var(--foreground)}.chat-window--empty .chat-window-close-btn{margin-left:0;position:absolute;top:14px;right:16px}.chat-window-avatar{background:var(--primary);width:42px;height:42px;color:var(--primary-foreground);border-radius:9999px;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;font-weight:600;display:flex}.chat-window-user-info{flex-direction:column;gap:2px;display:flex}.chat-window-user-name{color:var(--foreground);font-size:16px;font-weight:600}.chat-window-user-info .chat-role-badge{align-self:flex-start}.chat-messages{background-image:none;flex-direction:column;flex:1;gap:2px;padding:16px 20px;display:flex;overflow-y:auto}.chat-messages::-webkit-scrollbar{width:5px}.chat-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:9999px}.chat-date-separator{justify-content:center;align-items:center;margin:14px 0 8px;display:flex}.chat-date-separator span{color:var(--muted-foreground);background:var(--muted);border-radius:9999px;padding:3px 12px;font-size:12px;font-weight:500}.chat-msg-row{align-items:flex-end;gap:8px;max-width:100%;margin-top:2px;display:flex}.chat-msg-row--mine{flex-direction:row-reverse}.chat-msg-row--grouped{margin-top:1px}.chat-msg-avatar{background:var(--secondary);width:32px;height:32px;color:var(--secondary-foreground);border-radius:9999px;flex-shrink:0;justify-content:center;align-items:center;font-size:11px;font-weight:600;display:flex}.chat-msg-avatar--hidden{visibility:hidden}.chat-msg-content{flex-direction:column;gap:3px;max-width:60%;display:flex}.chat-msg-row--mine .chat-msg-content{align-items:flex-end}.chat-msg-row--theirs .chat-msg-content{align-items:flex-start}.chat-msg-sender{color:var(--muted-foreground);padding:0 6px;font-size:12px;font-weight:500}.chat-bubble{word-break:break-word;white-space:pre-wrap;border-radius:14px;max-width:100%;padding:9px 14px;line-height:1.5}.chat-bubble--sent{background:var(--primary);color:var(--primary-foreground);border-bottom-right-radius:4px}.chat-bubble--received{background:var(--secondary);color:var(--secondary-foreground);border-bottom-left-radius:4px}.chat-bubble--sending{opacity:.6}.chat-bubble-text{font-size:14px}.chat-msg-time{color:var(--muted-foreground);padding:0 4px;font-size:11px}.chat-no-messages{color:var(--muted-foreground);text-align:center;flex:1;justify-content:center;align-items:center;padding:32px;font-size:14px;display:flex}.chat-no-messages p{margin:0}.chat-load-error{color:var(--muted-foreground);text-align:center;flex-direction:column;align-items:center;gap:12px;padding:48px 24px;font-size:14px;display:flex}.chat-retry-btn{border-radius:var(--radius-md,.5rem);border:1px solid var(--border);background:var(--background);color:var(--foreground);cursor:pointer;padding:8px 20px;font-size:13px;transition:background .12s}.chat-retry-btn:hover{background:var(--accent)}@keyframes chat-shimmer{0%{opacity:.4}50%{opacity:.85}to{opacity:.4}}.chat-messages-skeleton{flex-direction:column;gap:14px;padding:8px 0;display:flex}.chat-skeleton-row{display:flex}.chat-skeleton-row--right{justify-content:flex-end}.chat-skeleton-bubble{background:var(--muted);border-radius:14px;height:42px;animation:1.4s ease-in-out infinite chat-shimmer}.chat-input-area{border-top:1px solid var(--border);background:var(--background);flex-direction:column;flex-shrink:0;gap:8px;padding:10px 16px 12px;display:flex}.chat-input-row{align-items:flex-end;gap:8px;display:flex}.chat-file-input{display:none}.chat-input{resize:none;border-radius:var(--radius-md,.5rem);border:1px solid var(--input);background:var(--background);color:var(--foreground);box-sizing:border-box;outline:none;flex:1;min-height:42px;max-height:130px;padding:10px 14px;font-family:inherit;font-size:14px;line-height:1.5;transition:border-color .15s;overflow-y:auto}.chat-input::placeholder{color:var(--muted-foreground)}.chat-input:focus{border-color:var(--ring)}.chat-send-btn{border-radius:var(--radius-md,.5rem);background:var(--primary);width:42px;height:42px;color:var(--primary-foreground);cursor:pointer;border:none;flex-shrink:0;justify-content:center;align-items:center;transition:opacity .15s;display:flex}.chat-send-btn:disabled{opacity:.35;cursor:default}.chat-send-btn:not(:disabled):hover{opacity:.82}.chat-attach-btn{border-radius:var(--radius-md,.5rem);width:36px;height:36px;color:var(--muted-foreground);border:1px solid var(--border);cursor:pointer;background:0 0;flex-shrink:0;justify-content:center;align-items:center;margin-bottom:3px;padding:0;transition:background .12s,color .12s;display:flex}.chat-attach-btn:hover:not(:disabled){background:var(--accent);color:var(--foreground)}.chat-attach-btn:disabled{opacity:.4;cursor:default}.chat-img-preview-bar{background:var(--muted);border-radius:var(--radius-md,.5rem);border:1px solid var(--border);align-items:center;gap:10px;padding:8px 10px;display:flex}.chat-img-preview-thumb{object-fit:cover;border-radius:6px;flex-shrink:0;width:48px;height:48px}.chat-img-preview-name{color:var(--foreground);white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:13px;overflow:hidden}.chat-img-preview-remove{width:26px;height:26px;color:var(--muted-foreground);cursor:pointer;background:0 0;border:none;border-radius:9999px;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:background .12s,color .12s;display:flex}.chat-img-preview-remove:hover:not(:disabled){background:var(--destructive);color:#fff;color:lab(100% 0 0)}.chat-bubble--image-only{padding:0;overflow:hidden}.chat-bubble-image{object-fit:contain;cursor:pointer;border-radius:10px;width:100%;max-width:260px;height:auto;max-height:300px;transition:opacity .12s;display:block}.chat-bubble--image-only .chat-bubble-image{border-radius:inherit}.chat-bubble-image:hover{opacity:.9}.chat-bubble-image--uploading{opacity:.55;cursor:default;filter:blur(.5px)}.chat-bubble-image--placeholder{background:var(--muted);border-radius:10px;width:200px;height:140px;animation:1.4s ease-in-out infinite chat-shimmer;display:block}.chat-bubble-image+.chat-bubble-text{margin-top:6px;display:block}@media (max-width:768px){.chat-dm-list{width:100%}.chat-panel--has-active .chat-dm-list,.chat-panel:not(.chat-panel--has-active) .chat-window{display:none}}@media (min-width:769px) and (max-width:1024px){.chat-dm-list{width:280px}}