:root{--brand: #2563eb;--brand-dark: #1d4ed8;--bg: #f1f5f9;--surface: #ffffff;--border: #e2e8f0;--text: #0f172a;--text-muted: #64748b;--green: #22c55e;--red: #ef4444;--radius: 12px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0;overflow:hidden}html{-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:15px;-webkit-font-smoothing:antialiased;overscroll-behavior:none;position:fixed;top:0;right:0;bottom:0;left:0}#root{display:flex;flex-direction:column}button{font-family:inherit}a{color:var(--brand);text-decoration:none}.center-screen{height:100%;flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.auth-page{flex:1;min-height:0;overflow-y:auto;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#2563eb 60%,#3b82f6);padding:calc(24px + env(safe-area-inset-top)) 24px calc(24px + env(safe-area-inset-bottom))}.auth-card{background:var(--surface);border-radius:16px;box-shadow:0 20px 60px #00000040;padding:36px 32px;width:100%;max-width:400px}.auth-logo{display:flex;align-items:center;gap:10px;margin-bottom:8px;font-size:22px;font-weight:800}.auth-logo .logo-dot{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}.auth-sub{color:var(--text-muted);margin:0 0 24px;font-size:14px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text)}.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;outline:none;background:#fff;color:var(--text)}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px #2563eb1f}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:8px;border:none;font-size:14px;font-weight:600;cursor:pointer;background:var(--brand);color:#fff;transition:background .15s}.btn:hover{background:var(--brand-dark)}.btn:disabled{opacity:.6;cursor:default}.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn.secondary:hover{background:var(--bg)}.btn.block{width:100%}.error-text{color:var(--red);font-size:13px;margin:10px 0 0}.success-text{color:var(--green);font-size:13px;margin:10px 0 0}.auth-switch{text-align:center;margin-top:18px;font-size:13.5px;color:var(--text-muted)}.auth-switch button{background:none;border:none;color:var(--brand);font-weight:600;cursor:pointer;font-size:13.5px;padding:0}.topbar{background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:16px;padding:env(safe-area-inset-top) 20px 0;height:calc(56px + env(safe-area-inset-top));flex-shrink:0;z-index:20}.topbar .brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:17px;color:var(--text)}.topbar .brand .logo-dot{width:28px;height:28px;border-radius:8px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px}.topbar .grow{flex:1}.topbar .site-name{font-weight:600;color:var(--text-muted);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tabs{display:flex;gap:4px}.tabs a{padding:8px 14px;border-radius:8px;color:var(--text-muted);font-weight:600;font-size:14px;position:relative}.tabs a.active{background:#eff6ff;color:var(--brand)}.tab-badge{position:absolute;top:2px;right:2px;min-width:16px;height:16px;border-radius:8px;background:var(--red);color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 4px}.page{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;width:100%;padding:24px max(20px,calc((100% - 1100px)/2)) calc(64px + env(safe-area-inset-bottom))}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.page-head h1{font-size:22px;margin:0}.page-head p{color:var(--text-muted);margin:4px 0 0;font-size:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.sites-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.site-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:block;color:var(--text);transition:box-shadow .15s,transform .15s}.site-card:hover{box-shadow:0 8px 24px #0f172a14;transform:translateY(-2px)}.site-card h3{margin:0 0 4px;font-size:16px}.site-card .domain{color:var(--text-muted);font-size:13px}.site-card .meta{margin-top:14px;font-size:12.5px;color:var(--text-muted)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state h2{color:var(--text)}.inbox-layout{display:grid;grid-template-columns:340px 1fr;gap:0;flex:1;min-height:0;background:var(--surface)}.conv-list{border-right:1px solid var(--border);overflow-y:auto;-webkit-overflow-scrolling:touch;min-height:0}.conv-list-head{padding:16px;font-weight:700;font-size:15px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--surface)}.conv-item{display:flex;gap:12px;padding:14px 16px;cursor:pointer;border-bottom:1px solid var(--border);background:none;border-left:3px solid transparent;width:100%;text-align:left;border-top:none;border-right:none}.conv-item:hover{background:#f8fafc}.conv-item.active{background:#eff6ff;border-left-color:var(--brand)}.conv-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#93c5fd,#2563eb);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;position:relative}.online-dot{position:absolute;bottom:0;right:0;width:11px;height:11px;border-radius:50%;background:var(--green);border:2px solid #fff}.online-dot.off{background:#cbd5e1}.conv-body{flex:1;min-width:0}.conv-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.conv-name{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-time{font-size:11.5px;color:var(--text-muted);flex-shrink:0}.conv-preview{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:3px}.unread-pill{background:var(--brand);color:#fff;font-size:11px;font-weight:700;min-width:18px;height:18px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px;margin-left:6px}.chat-pane{display:flex;flex-direction:column;min-width:0;min-height:0}.chat-head{padding:12px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}.chat-head .info{flex:1;min-width:0}.chat-head .name{font-weight:700;font-size:15px}.chat-head .detail{font-size:12.5px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.chat-messages{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;padding:20px;background:#f8fafc;display:flex;flex-direction:column;gap:10px}.bubble-row{display:flex}.bubble-row.agent{justify-content:flex-end}.bubble{max-width:70%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.45;white-space:pre-wrap;word-break:break-word}.bubble-row.visitor .bubble{background:#fff;border:1px solid var(--border);border-bottom-left-radius:4px}.bubble-row.agent .bubble{background:var(--brand);color:#fff;border-bottom-right-radius:4px}.bubble .time{display:block;font-size:10.5px;opacity:.6;margin-top:4px}.chat-input-row{display:flex;gap:10px;padding:14px 20px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--surface);align-items:flex-end}.chat-input-row textarea{flex:1;border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:14px;font-family:inherit;resize:none;outline:none;max-height:120px;color:var(--text)}.chat-input-row textarea:focus{border-color:var(--brand)}.chat-empty{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;color:var(--text-muted);gap:8px;background:#f8fafc}.typing-note{font-size:12px;color:var(--text-muted);padding:0 20px 6px;background:#f8fafc;font-style:italic}.visitor-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.visitor-table th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);padding:12px 16px;border-bottom:1px solid var(--border);background:#f8fafc}.visitor-table td{padding:13px 16px;border-bottom:1px solid var(--border);font-size:14px;vertical-align:middle}.visitor-table tr:last-child td{border-bottom:none}.status-chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600}.status-chip .dot{width:9px;height:9px;border-radius:50%;background:var(--green);animation:pulse 1.6s infinite}.status-chip.off .dot{background:#cbd5e1;animation:none}@keyframes pulse{0%,to{box-shadow:0 0 #22c55e66}50%{box-shadow:0 0 0 5px #22c55e00}}.page-cell{max-width:280px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px;color:var(--text-muted)}.flag{font-size:18px;margin-right:6px}.settings-layout{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:24px;align-items:start}.settings-layout>*{min-width:0}.preview-col{position:sticky;top:0}@media (max-width: 920px){.settings-layout,.inbox-layout{grid-template-columns:1fr}.inbox-layout .conv-list.hidden-mobile,.inbox-layout .chat-pane.hidden-mobile{display:none}}.settings-section{margin-bottom:24px}.settings-section h2{font-size:16px;margin:0 0 12px}.row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.color-row{display:flex;align-items:center;gap:10px}.color-row input[type=color]{width:44px;height:36px;border:1px solid var(--border);border-radius:8px;padding:2px;background:#fff;cursor:pointer}.checkbox-row{display:flex;align-items:center;gap:10px;font-size:14px}.checkbox-row input{width:16px;height:16px}.code-block{background:#0f172a;color:#e2e8f0;border-radius:10px;padding:16px 76px 16px 16px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;white-space:pre-wrap;word-break:break-all;line-height:1.6;position:relative}.copy-btn{position:absolute;top:10px;right:10px;background:#334155;color:#fff;border:none;border-radius:6px;padding:5px 10px;font-size:12px;cursor:pointer}.copy-btn:hover{background:#475569}.preview-stage{background:linear-gradient(135deg,#e0e7ff,#f1f5f9);border:1px solid var(--border);border-radius:var(--radius);height:560px;position:relative;overflow:hidden}.preview-note{position:absolute;top:12px;left:12px;font-size:12px;color:var(--text-muted);background:#fffc;border-radius:6px;padding:4px 8px}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.table-scroll .visitor-table{min-width:720px}.back-btn{display:none;border:none;background:var(--bg);color:var(--text);width:36px;height:36px;border-radius:8px;font-size:18px;cursor:pointer;align-items:center;justify-content:center;flex-shrink:0}@media (max-width: 920px){.back-btn{display:flex}.topbar{flex-wrap:wrap;height:auto;min-height:calc(52px + env(safe-area-inset-top));padding:calc(8px + env(safe-area-inset-top)) 12px 8px;gap:8px;row-gap:6px}.topbar .site-name{display:none}.topbar .brand{font-size:15px}.tabs{order:5;width:100%;justify-content:space-between}.tabs a{flex:1;text-align:center;padding:8px 6px}.btn{padding:8px 12px;font-size:13px}.page{padding:16px 12px 48px}.page-head{flex-wrap:wrap}.page-head h1{font-size:19px}.chat-messages{padding:14px 12px}.field input,.field select,.field textarea,.chat-input-row textarea{font-size:16px}.bubble{max-width:85%}.chat-input-row{padding:10px 12px calc(10px + env(safe-area-inset-bottom))}.row-2{grid-template-columns:1fr}.preview-stage{height:480px}.preview-col{position:static}}.notif-banner{display:flex;align-items:center;gap:12px;background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:12px 16px;margin-bottom:20px;font-size:13.5px}.notif-banner .grow{flex:1}.toolbar-note{font-size:12.5px;color:var(--text-muted)}