.chat-fab{position:fixed;bottom:calc(24px + var(--safe-b));right:24px;width:56px;height:56px;border-radius:50%;background:var(--indigo);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(79,82,211,.4);z-index:450;transition:all .2s cubic-bezier(.34,1.56,.64,1)}
.chat-fab:hover{transform:scale(1.08);box-shadow:0 8px 28px rgba(79,82,211,.5)}
.chat-fab:active{transform:scale(.95)}
.chat-fab .chat-fab-close{display:none}
.chat-fab.open .chat-fab-ico{display:none}
.chat-fab.open .chat-fab-close{display:block}
@media(max-width:640px){.chat-fab{bottom:calc(var(--bn) + var(--safe-b) + 16px);right:16px;width:50px;height:50px}}
 
.chat-panel{position:fixed;bottom:calc(92px + var(--safe-b));right:24px;width:400px;max-height:540px;background:var(--surface);border:1px solid var(--border);border-radius:20px;box-shadow:var(--sh-lg);z-index:449;display:none;flex-direction:column;overflow:hidden;animation:chatIn .22s cubic-bezier(.4,0,.2,1)}
.chat-panel.open{display:flex}
@keyframes chatIn{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(max-width:640px){.chat-panel{position:fixed;top:0;bottom:0;right:0;left:0;width:100%;height:100%;max-height:100%;border-radius:0;padding-top:env(safe-area-inset-top,0px)}}
 
.chat-header{padding:18px 20px;border-bottom:1px solid var(--border-l);display:flex;align-items:center;gap:12px;flex-shrink:0}
.chat-header-av{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--indigo),var(--violet));display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden}
.chat-header-av img{width:100%;height:100%;object-fit:cover;border-radius:10px}
.chat-header-info{flex:1}
.chat-header-name{font-family:var(--fd);font-size:14px;font-weight:700;color:var(--text)}
.chat-header-status{font-size:11px;color:var(--green);display:flex;align-items:center;gap:4px}
.chat-header-status::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--green)}
.chat-close-btn{width:30px;height:30px;border:none;background:var(--bg2);border-radius:50%;cursor:pointer;color:var(--t2);display:flex;align-items:center;justify-content:center;font-size:12px;transition:var(--tr)}
.chat-close-btn:hover{background:var(--border);color:var(--text)}
 
.chat-messages{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:12px;min-height:200px}
.chat-msg{max-width:85%;padding:10px 14px;border-radius:14px;font-size:13px;line-height:1.5;word-wrap:break-word}
.chat-msg.bot{align-self:flex-start;background:var(--bg2);color:var(--text);border-bottom-left-radius:4px}
.chat-msg.user{align-self:flex-end;background:var(--indigo);color:#fff;border-bottom-right-radius:4px}
.chat-msg.typing{align-self:flex-start;background:var(--bg2);padding:14px 18px}
.typing-dots{display:flex;gap:4px}
.typing-dots span{width:7px;height:7px;border-radius:50%;background:var(--t3);animation:typingBounce .6s infinite alternate}
.typing-dots span:nth-child(2){animation-delay:.15s}
.typing-dots span:nth-child(3){animation-delay:.3s}
@keyframes typingBounce{from{opacity:.3;transform:translateY(0)}to{opacity:1;transform:translateY(-4px)}}
 
.chat-input-wrap{padding:12px 16px;border-top:1px solid var(--border-l);display:flex;gap:8px;align-items:center;flex-shrink:0}
.chat-input{flex:1;padding:10px 14px;border:1.5px solid var(--border);border-radius:24px;font-family:var(--fb);font-size:13px;color:var(--text);background:var(--surface);resize:none;max-height:80px;line-height:1.4}
.chat-input:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 3px rgba(79,82,211,.1)}
.chat-input::placeholder{color:var(--t3)}
.chat-send{width:36px;height:36px;border-radius:50%;background:var(--indigo);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--tr);flex-shrink:0}
.chat-send:hover{background:#3D40C0}
.chat-send:disabled{opacity:.4;cursor:not-allowed}

/* ══ MIC BUTTON ════════════════════════════════ */
.chat-mic{width:36px;height:36px;border-radius:50%;background:transparent;color:var(--t3);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--tr);flex-shrink:0}
.chat-mic:hover{color:var(--indigo);background:rgba(79,82,211,.08)}
.chat-mic:disabled{opacity:.4;cursor:not-allowed}

/* ══ AUDIO RECORDING BAR ══════════════════════ */
.chat-audio-bar{padding:12px 16px;border-top:1px solid var(--border-l);display:flex;gap:12px;align-items:center;flex-shrink:0;background:var(--surface)}
.chat-audio-indicator{display:flex;gap:3px;align-items:center;height:24px}
.chat-audio-indicator span{width:3px;border-radius:2px;background:var(--red);animation:audioWave .6s ease-in-out infinite alternate}
.chat-audio-indicator span:nth-child(1){height:8px;animation-delay:0s}
.chat-audio-indicator span:nth-child(2){height:16px;animation-delay:.1s}
.chat-audio-indicator span:nth-child(3){height:24px;animation-delay:.2s}
.chat-audio-indicator span:nth-child(4){height:16px;animation-delay:.3s}
.chat-audio-indicator span:nth-child(5){height:8px;animation-delay:.4s}
@keyframes audioWave{from{transform:scaleY(.4)}to{transform:scaleY(1)}}
.chat-audio-timer{font-family:var(--fb);font-size:14px;font-weight:600;color:var(--red);min-width:36px;flex:1}
.chat-audio-cancel{width:36px;height:36px;border-radius:50%;background:var(--bg2);color:var(--t2);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:13px;transition:var(--tr);flex-shrink:0}
.chat-audio-cancel:hover{background:var(--red);color:#fff}
.chat-audio-stop{width:36px;height:36px;border-radius:50%;background:var(--green);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--tr);flex-shrink:0}
.chat-audio-stop:hover{background:#0EA85E}

/* ══ ATTACH BUTTON (IMAGEM / COMPROVANTE) ══════ */
.chat-attach{width:36px;height:36px;border-radius:50%;background:transparent;color:var(--t3);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--tr);flex-shrink:0}
.chat-attach:hover{color:var(--indigo);background:rgba(79,82,211,.08)}
.chat-attach:disabled{opacity:.4;cursor:not-allowed}
.chat-attach.has-file{color:var(--indigo);background:rgba(79,82,211,.12)}

/* ══ ATTACH PREVIEW PILL ═════════════════════════ */
.chat-attach-preview{display:flex;align-items:center;gap:10px;padding:8px 12px;margin:0 12px 8px;background:var(--bg2);border:1px solid var(--border-l);border-radius:10px;flex-shrink:0}
.chat-attach-preview img{width:42px;height:42px;object-fit:cover;border-radius:8px;background:var(--border);flex-shrink:0}
.chat-attach-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.chat-attach-name{font-size:12px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-attach-size{font-size:11px;color:var(--t3)}
.chat-attach-remove{width:26px;height:26px;border-radius:50%;background:transparent;color:var(--t3);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:12px;transition:var(--tr);flex-shrink:0}
.chat-attach-remove:hover{background:var(--red);color:#fff}

/* ══ IMAGEM DENTRO DA MENSAGEM DO CHAT ═════════ */
.chat-msg-image{max-width:240px;max-height:320px;width:auto;height:auto;display:block;border-radius:10px;margin-bottom:6px;cursor:zoom-in;background:rgba(0,0,0,.05)}
.chat-msg.user .chat-msg-image{border:1px solid rgba(255,255,255,.18)}
.chat-msg.bot .chat-msg-image{border:1px solid var(--border-l)}
.chat-msg-caption{font-size:13px;line-height:1.5;word-wrap:break-word}