.chat-fab{background:var(--fo,#b9522d);color:#fff;cursor:pointer;z-index:8500;border:none;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;font-size:24px;transition:transform .2s,box-shadow .2s;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 20px #a5431c59}.chat-fab:hover{transform:scale(1.08);box-shadow:0 6px 28px #a5431c73}.chat-fab:active{transform:scale(.95)}.chat-fab-active{background:var(--fo-d,#7a3114)}.chat-panel{z-index:8500;background:#fff;border-radius:20px;flex-direction:column;width:380px;max-height:520px;animation:.3s ease-out chatSlideUp;display:flex;position:fixed;bottom:92px;right:24px;overflow:hidden;box-shadow:0 8px 40px #a5431c38}@keyframes chatSlideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.chat-header{background:var(--fo,#b9522d);flex-shrink:0;align-items:center;gap:12px;padding:16px 20px;display:flex}.chat-header-avatar{border:2px solid #ffffff4d;border-radius:10px;width:36px;height:36px}.chat-header-info{flex:1}.chat-header-title{font-family:var(--font);color:#fff;margin:0;font-size:15px;font-weight:600;line-height:1.2}.chat-header-sub{color:#ffffffbf;margin:0;font-size:11px}.chat-close-btn{color:#fff;cursor:pointer;background:#ffffff26;border:none;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;font-size:18px;transition:background .15s;display:flex}.chat-close-btn:hover{background:#ffffff40}.chat-messages{background:var(--fo-bg,#fdf6f0);flex-direction:column;flex:1;gap:12px;min-height:200px;max-height:340px;padding:16px;display:flex;overflow-y:auto}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-thumb{background:var(--fo-border,#e8ddd5);border-radius:4px}.chat-msg{word-break:break-word;border-radius:14px;max-width:85%;padding:10px 14px;font-size:13.5px;line-height:1.55;animation:.2s ease-out chatFadeIn}@keyframes chatFadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.chat-msg-user{background:var(--fo,#b9522d);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.chat-msg-assistant{color:var(--fo-text,#2c2c2c);border:1px solid var(--fo-border,#e8ddd5);background:#fff;border-bottom-left-radius:4px;align-self:flex-start}.chat-msg-assistant strong{color:var(--fo-dark,#1a1a1a);font-weight:600}.chat-h1,.chat-h2,.chat-h3{color:var(--fo,#b9522d);display:block}.chat-h1{margin-top:4px;font-size:15px}.chat-h2{margin-top:4px;font-size:14px}.chat-h3{margin-top:2px;font-size:13.5px}.chat-list-item{padding-left:4px;display:block}.chat-list-num{color:var(--fo,#b9522d);font-weight:600}.chat-typing{border:1px solid var(--fo-border,#e8ddd5);background:#fff;border-radius:14px;align-self:flex-start;align-items:center;gap:4px;padding:10px 16px;display:flex}.chat-typing-dot{background:var(--fo-muted,#6b6b6b);border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite chatBounce}.chat-typing-dot:nth-child(2){animation-delay:.15s}.chat-typing-dot:nth-child(3){animation-delay:.3s}@keyframes chatBounce{0%,80%,to{transform:translateY(0)}40%{transform:translateY(-6px)}}.chat-msg-image{border-radius:8px;margin-bottom:8px;overflow:hidden}.chat-msg-image img{border-radius:8px;max-width:100%;max-height:180px;display:block}.chat-menu-actions{align-items:center;gap:10px;margin-top:6px;margin-left:0;padding:0 4px;animation:.2s ease-out chatFadeIn;display:flex}.chat-menu-apply-btn{color:#fff;font-family:var(--font);cursor:pointer;background:#b9522d;border:none;border-radius:8px;align-items:center;gap:6px;padding:7px 14px;font-size:12px;font-weight:600;transition:transform .15s,box-shadow .15s;display:inline-flex}.chat-menu-apply-btn:hover:not(:disabled){transform:scale(1.03);box-shadow:0 2px 8px #a5431c4d}.chat-menu-apply-btn:disabled{opacity:.6;cursor:not-allowed}.chat-menu-hint{color:var(--fo-muted,#6b6b6b);font-size:11px}.chat-menu-applied{color:var(--fo,#b9522d);background:#a5431c14;border-radius:8px;align-items:center;gap:6px;margin-top:6px;padding:5px 12px;font-size:11.5px;font-weight:600;animation:.2s ease-out chatFadeIn;display:inline-flex}.chat-input-area{border-top:1px solid var(--fo-border,#e8ddd5);background:#fff;flex-direction:column;flex-shrink:0;gap:8px;padding:12px 16px;display:flex}.chat-input-row{align-items:flex-end;gap:8px;display:flex}.chat-pending-image{max-width:120px;display:inline-block;position:relative}.chat-pending-image img{border:2px solid var(--fo,#b9522d);object-fit:cover;border-radius:8px;max-width:120px;max-height:80px;display:block}.chat-pending-image-remove{background:var(--fo,#b9522d);color:#fff;cursor:pointer;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;transition:transform .15s;display:flex;position:absolute;top:-6px;right:-6px}.chat-pending-image-remove:hover{transform:scale(1.15)}.chat-upload-btn{background:var(--fo-bg,#fdf6f0);border:1px solid var(--fo-border,#e8ddd5);width:40px;height:40px;color:var(--fo,#b9522d);cursor:pointer;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;transition:all .15s;display:flex}.chat-upload-btn:hover:not(:disabled){border-color:var(--fo,#b9522d);background:#a5431c14}.chat-upload-btn:disabled{opacity:.5;cursor:not-allowed}.chat-input{border:1px solid var(--fo-border,#e8ddd5);font-family:var(--font);background:var(--fo-bg,#fdf6f0);color:var(--fo-text,#2c2c2c);resize:none;border-radius:10px;outline:none;flex:1;padding:10px 14px;font-size:13.5px;transition:border-color .15s}.chat-input:focus{border-color:var(--fo,#b9522d)}.chat-input::placeholder{color:var(--fo-muted,#6b6b6b)}.chat-send-btn{background:var(--fo,#b9522d);color:#fff;cursor:pointer;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:16px;transition:transform .15s,opacity .15s;display:flex}.chat-send-btn:hover{transform:scale(1.05)}.chat-send-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}@media (max-width:600px){.chat-fab{bottom:80px}.chat-panel{border-radius:0;width:100%;height:100dvh;max-height:100dvh;bottom:0;left:0;right:0}.chat-messages{flex:1;max-height:none}}