*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;overflow:hidden}:root{--primary: #2B7FFF;--primary-dark: #1a6ae0;--primary-light: #e8f0ff;--text: #1f2937;--text-secondary: #6b7280;--text-light: #9ca3af;--bg: #f9fafb;--bg-white: #ffffff;--border: #e5e7eb;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 18px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}#app{display:flex;flex-direction:column;height:100%;background:var(--bg-white);font-family:var(--font);font-size:14px;color:var(--text);overflow:hidden;position:relative}#header{display:flex;align-items:center;gap:10px;padding:14px 16px;background:var(--primary);color:#fff;flex-shrink:0;box-shadow:0 2px 8px #0000001f;position:relative;z-index:1}#header-avatar{width:38px;height:38px;border-radius:50%;background:#ffffff40;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0}#header-info{flex:1;min-width:0}#header-name{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#header-status{display:flex;align-items:center;gap:5px;font-size:12px;opacity:.88;margin-top:2px}.dot{width:7px;height:7px;border-radius:50%;background:#34d399;flex-shrink:0}.dot.offline{background:#ffffff73}#btn-close{background:#ffffff2e;border:none;border-radius:50%;width:30px;height:30px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:background .15s;outline:none}#btn-close:hover{background:#ffffff4d}.messages-area{flex:1;overflow-y:auto;padding:16px 14px;display:flex;flex-direction:column;gap:4px;scroll-behavior:smooth;background:var(--bg)}.messages-area::-webkit-scrollbar{width:4px}.messages-area::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}#messages{display:flex;flex-direction:column;gap:4px;min-height:100%}.msg-group{display:flex;flex-direction:column;max-width:80%;gap:2px;margin-bottom:6px}.msg-group.visitor{align-self:flex-end;align-items:flex-end}.msg-group.agent{align-self:flex-start;align-items:flex-start}.msg-sender-name{font-size:11px;color:var(--text-light);margin-bottom:2px;padding-left:4px}.bubble{padding:9px 13px;border-radius:var(--radius-lg);line-height:1.5;font-size:13.5px;word-wrap:break-word;white-space:pre-wrap;max-width:100%;box-shadow:var(--shadow-sm)}.bubble.visitor{background:var(--primary);color:#fff;border-bottom-right-radius:var(--radius-sm)}.bubble.agent{background:var(--bg-white);color:var(--text);border-bottom-left-radius:var(--radius-sm);border:1px solid var(--border)}.bubble.pending{opacity:.65}.bubble.failed{background:#fef2f2;color:#dc2626;border-color:#fecaca}.bubble-time{font-size:10.5px;color:var(--text-light);margin-top:1px;padding:0 3px}#typing-indicator{display:none;align-self:flex-start;margin-bottom:6px}#typing-indicator.visible{display:block}.typing-dots{display:flex;align-items:center;gap:4px;background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);border-bottom-left-radius:var(--radius-sm);padding:10px 14px;box-shadow:var(--shadow-sm)}.typing-dots span{display:block;width:7px;height:7px;border-radius:50%;background:var(--text-light);animation:typing-bounce 1.2s ease-in-out infinite}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes typing-bounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}.date-sep{text-align:center;font-size:11px;color:var(--text-light);margin:10px 0 6px;display:flex;align-items:center;gap:8px}.date-sep:before,.date-sep:after{content:"";flex:1;height:1px;background:var(--border)}.status-msg{text-align:center;font-size:11.5px;color:var(--text-secondary);background:var(--bg-white);border:1px solid var(--border);border-radius:20px;padding:4px 12px;align-self:center;margin:4px 0}#empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px 24px;flex:1;gap:10px}#empty-state h3{font-size:16px;font-weight:600;color:var(--text);margin-top:4px}#empty-state p{font-size:13px;color:var(--text-secondary);line-height:1.55;max-width:240px}#loading-overlay{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:14px;background:var(--bg-white)}#loading-overlay p{font-size:13px;color:var(--text-secondary)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#input-area{display:flex;flex-direction:column;gap:6px;padding:10px 12px;border-top:1px solid var(--border);background:var(--bg-white);flex-shrink:0;position:relative}.chat-input-row{display:flex;align-items:flex-end;gap:8px}.chat-input-error{font-size:11.5px;color:#ef4444;background:#fff1f2;border:1px solid #fecaca;border-radius:6px;padding:6px 10px;line-height:1.4}#msg-input.msg-input-warning{border-color:#f59e0b;background:#fffbeb}#msg-input{flex:1;resize:none;border:1px solid var(--border);border-radius:var(--radius-md);padding:9px 12px;font-size:13.5px;font-family:var(--font);color:var(--text);background:var(--bg);outline:none;line-height:1.45;max-height:120px;overflow-y:auto;transition:border-color .15s}#msg-input:focus{border-color:var(--primary);background:var(--bg-white)}#msg-input::placeholder{color:var(--text-light)}#msg-input:disabled{opacity:.55;cursor:not-allowed}#btn-send{width:36px;height:36px;border-radius:50%;background:var(--primary);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,transform .1s;outline:none}#btn-send:hover:not(:disabled){background:var(--primary-dark)}#btn-send:active:not(:disabled){transform:scale(.93)}#btn-send:disabled{background:var(--border);cursor:not-allowed}#btn-attach,#btn-emoji{width:32px;height:32px;border-radius:50%;background:transparent;color:#6b7280;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,color .15s;outline:none}#btn-attach:hover:not(:disabled),#btn-emoji:hover:not(:disabled){background:#f3f4f6;color:var(--primary)}#btn-attach:disabled,#btn-emoji:disabled{opacity:.4;cursor:not-allowed}.emoji-picker-host{position:absolute;bottom:60px;left:8px;z-index:10}.emoji-picker-host emoji-picker{--background: #fff;--border-color: #e5e7eb;--border-radius: 12px;--category-emoji-padding: 6px;--emoji-padding: 6px;--indicator-color: var(--primary);--input-border-color: #e5e7eb;--input-focus-border-color: var(--primary);--num-columns: 7;height:320px;box-shadow:0 8px 24px #0000001f}.bubble.bubble-image{padding:4px;background:transparent!important}.msg-image{display:block;max-width:240px;max-height:240px;border-radius:10px;object-fit:cover}.msg-image-link{display:block;line-height:0}.msg-file-link{display:inline-flex;align-items:center;gap:8px;color:inherit;text-decoration:none;padding:4px 0;word-break:break-word}.msg-file-link:hover{text-decoration:underline}.msg-file-link svg{flex-shrink:0}.reconnect-bar{background:#fef3c7;border-bottom:1px solid #fcd34d;padding:6px 14px;font-size:12px;color:#92400e;text-align:center;flex-shrink:0}.pre-chat-form{display:flex;flex-direction:column;height:100%}.pre-chat-body{flex:1;padding:24px 20px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;background:var(--bg-white)}.pre-chat-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px}.pre-chat-subtitle{font-size:13px;color:var(--text-secondary);line-height:1.5}.form-field{display:flex;flex-direction:column;gap:6px}.form-label{font-size:13px;font-weight:500;color:var(--text)}.form-label .required{color:#ef4444;margin-left:2px}.form-input{height:40px;padding:0 12px;border:1.5px solid var(--border);border-radius:8px;font-size:14px;font-family:var(--font);color:var(--text);background:var(--bg);outline:none;transition:border-color .15s}.form-input:focus{border-color:var(--primary);background:var(--bg-white)}.form-input::placeholder{color:#9ca3af}.form-input-error{border-color:#ef4444!important;background:#fff1f2!important}.form-field-error{font-size:11px;color:#ef4444;margin-top:4px}.form-field-hint{font-size:11px;color:#9ca3af;margin-top:4px}.form-error{font-size:12px;color:#ef4444;padding:8px 12px;background:#fff1f2;border-radius:8px;border:1px solid #fecaca}.form-checkbox-group{display:flex;flex-direction:column;gap:8px}.form-checkbox-item{display:flex;align-items:center;gap:8px;font-size:14px;color:#374151;cursor:pointer}.form-checkbox-item input[type=checkbox]{width:16px;height:16px;accent-color:#2B7FFF;cursor:pointer}.form-input select,select.form-input{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.pre-chat-footer{flex-shrink:0;padding:12px 20px 16px;border-top:1px solid var(--border);background:var(--bg-white)}.btn-start-chat{width:100%;height:42px;border:none;border-radius:10px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;font-family:var(--font);cursor:pointer;transition:background .15s,transform .1s;display:flex;align-items:center;justify-content:center;gap:8px}.btn-start-chat:hover:not(:disabled){background:var(--primary-dark)}.btn-start-chat:active:not(:disabled){transform:scale(.98)}.btn-start-chat:disabled{background:#d1d5db;cursor:not-allowed}.btn-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.resolved-banner{text-align:center;font-size:12px;color:var(--text-secondary);padding:8px 14px;border-top:1px solid var(--border);background:var(--bg);flex-shrink:0}.quick-replies-bubble{display:flex;flex-wrap:wrap;gap:8px;padding:10px 14px 14px;animation:fadeInUp .35s ease-out}.quick-reply-pill{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;border:1px solid var(--primary);background:#fff;color:var(--primary);font-size:13px;font-family:var(--font);font-weight:500;cursor:pointer;transition:background .12s ease,color .12s ease,transform .12s ease;white-space:nowrap;max-width:100%;text-overflow:ellipsis;overflow:hidden}.quick-reply-pill:hover{background:var(--primary);color:#fff!important;transform:translateY(-1px)}.quick-reply-pill:active{transform:translateY(0)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}