:root{--bg: #f5f6f8;--panel: #ffffff;--panel-2: #fafbfc;--border: #e4e7ec;--text: #1a1d21;--text-2: #5b6472;--text-3: #8a929e;--brand: #2563eb;--brand-soft: #eff4ff;--ok: #0f9d58;--warn: #d97706;--danger: #dc2626;--radius: 10px;--shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 4px 12px rgba(16, 24, 40, .04);--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}.app{display:grid;grid-template-columns:232px 1fr;min-height:100%}.sidebar{background:#fff;border-right:1px solid var(--border);padding:18px 14px;display:flex;flex-direction:column;gap:18px;position:sticky;top:0;height:100vh;overflow-y:auto}.brand{display:flex;align-items:center;gap:10px;padding:0 6px}.brand-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;display:grid;place-items:center;font-weight:700;font-size:15px}.brand-title{font-weight:650;letter-spacing:.2px}.brand-sub{font-size:11px;color:var(--text-3)}.nav{display:flex;flex-direction:column;gap:2px}.nav-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:8px;border:0;background:transparent;color:var(--text-2);cursor:pointer;text-align:left;width:100%;transition:background .12s,color .12s}.nav-item:hover{background:var(--panel-2);color:var(--text)}.nav-item.active{background:var(--brand-soft);color:var(--brand);font-weight:600}.nav-badge{margin-left:auto;font-size:11px;background:var(--bg);border-radius:20px;padding:1px 7px;color:var(--text-2)}.sidebar-foot{margin-top:auto;border-top:1px solid var(--border);padding-top:12px;display:flex;flex-direction:column;gap:8px;font-size:12px;color:var(--text-3)}.main{padding:22px 26px 40px;min-width:0}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}.page-title{font-size:19px;font-weight:650;margin:0 0 3px}.page-desc{color:var(--text-2);margin:0;font-size:13px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-head{padding:13px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.card-title{font-weight:620;font-size:14px}.card-body{padding:16px}.grid{display:grid;gap:14px}.grid-4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.stat{padding:15px 16px}.stat-label{color:var(--text-2);font-size:12.5px;display:flex;align-items:center;gap:6px}.stat-value{font-size:26px;font-weight:660;margin-top:6px;font-variant-numeric:tabular-nums}.stat-hint{font-size:11.5px;color:var(--text-3);margin-top:3px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);background:#fff;border-radius:8px;padding:7px 13px;cursor:pointer;transition:background .12s,border-color .12s,opacity .12s;white-space:nowrap}.btn:hover:not(:disabled){background:var(--panel-2);border-color:#d3d8e0}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn-primary:hover:not(:disabled){background:#1d4fd8;border-color:#1d4fd8}.btn-danger{color:var(--danger);border-color:#f2c6c6}.btn-danger:hover:not(:disabled){background:#fef2f2}.btn-sm{padding:4px 9px;font-size:12.5px;border-radius:7px}.btn-ghost{border-color:transparent;background:transparent;color:var(--text-2)}.btn-ghost:hover:not(:disabled){background:var(--panel-2)}.input,.select,.textarea{width:100%;border:1px solid var(--border);border-radius:8px;padding:8px 11px;background:#fff;outline:none;transition:border-color .12s,box-shadow .12s}.input:focus,.select:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px #2563eb1f}.textarea{resize:vertical;min-height:76px}.field{display:flex;flex-direction:column;gap:5px}.field-label{font-size:12.5px;color:var(--text-2);font-weight:550}.field-error{font-size:12px;color:var(--danger)}.toolbar{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-bottom:14px}.toolbar .input,.toolbar .select{width:auto;min-width:150px}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;font-weight:600;color:var(--text-2);font-size:12.5px;padding:9px 12px;border-bottom:1px solid var(--border);background:var(--panel-2);white-space:nowrap}td{padding:10px 12px;border-bottom:1px solid #eef0f4;vertical-align:top}tbody tr:hover{background:#fcfcfd}.table-wrap{overflow-x:auto}.tag{display:inline-flex;align-items:center;gap:4px;font-size:11.5px;padding:2px 8px;border-radius:20px;background:var(--bg);color:var(--text-2);white-space:nowrap;border:1px solid transparent}.tag-blue{background:var(--brand-soft);color:var(--brand)}.tag-green{background:#e9f7ef;color:var(--ok)}.tag-amber{background:#fef6e7;color:var(--warn)}.tag-red{background:#fdeeee;color:var(--danger)}.tag-purple{background:#f3eeff;color:#7c3aed}.mono{font-family:var(--mono);font-size:12px}.muted{color:var(--text-3)}.empty{padding:34px 16px;text-align:center;color:var(--text-3);font-size:13px}.alert{border-radius:9px;padding:10px 13px;font-size:13px;border:1px solid;margin-bottom:14px}.alert-info{background:var(--brand-soft);border-color:#cddcff;color:#1e40af}.alert-warn{background:#fffaf0;border-color:#f5ddb0;color:#92400e}.alert-error{background:#fef4f4;border-color:#f5c9c9;color:#b91c1c}.alert-ok{background:#f2fbf6;border-color:#c4e8d4;color:#0b7a45}.login-page{min-height:100vh;display:grid;place-items:center;padding:26px;background:radial-gradient(circle at 15% 12%,#e8efff 0%,transparent 45%),radial-gradient(circle at 85% 88%,#f1eaff 0%,transparent 45%),var(--bg)}.login-card{width:100%;max-width:430px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:0 12px 38px #10182817;padding:26px}.tabs{display:flex;gap:4px;background:var(--bg);padding:3px;border-radius:9px;margin-bottom:18px}.tab{flex:1;border:0;background:transparent;padding:7px;border-radius:7px;cursor:pointer;color:var(--text-2);font-weight:550}.tab.active{background:#fff;color:var(--text);box-shadow:var(--shadow)}.otp-row{display:flex;gap:8px}.otp-row .input{flex:1}.hint{font-size:12px;color:var(--text-3)}.divider{display:flex;align-items:center;gap:10px;color:var(--text-3);font-size:12px;margin:16px 0}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border)}.split{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:14px;align-items:start}@media (max-width: 1100px){.split,.app{grid-template-columns:1fr}.sidebar{position:static;height:auto}}.thread{display:flex;flex-direction:column;gap:10px;max-height:430px;overflow-y:auto;padding:4px}.bubble{max-width:78%;padding:9px 12px;border-radius:11px;border:1px solid var(--border);background:#fff;font-size:13px;white-space:pre-wrap;word-break:break-word}.bubble.out{margin-left:auto;background:var(--brand-soft);border-color:#cddcff}.bubble-meta{font-size:11px;color:var(--text-3);margin-top:4px}.kv{display:grid;grid-template-columns:96px 1fr;gap:6px 10px;font-size:13px}.kv dt{color:var(--text-2)}.kv dd{margin:0;word-break:break-word}.stack{display:flex;flex-direction:column;gap:12px}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.disclaimer{font-size:12px;color:var(--text-2);background:var(--panel-2);border:1px dashed var(--border);border-radius:8px;padding:9px 11px}.visitor-page{display:flex;flex-direction:column;height:100%;width:100%;max-width:620px;margin:0 auto;background:var(--panel);border-left:1px solid var(--border);border-right:1px solid var(--border)}.visitor-head{display:flex;align-items:center;gap:10px;padding:13px 16px;border-bottom:1px solid var(--border);background:var(--panel);position:sticky;top:0;z-index:2}.visitor-head-main{flex:1;min-width:0}.visitor-avatar{width:36px;height:36px;flex:none;border-radius:10px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:16px}.visitor-title{font-weight:600;font-size:15px}.visitor-sub{font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:5px}.visitor-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);flex:none}.visitor-dot.is-human{background:#7c3aed}.visitor-reset{border:1px solid var(--border);background:var(--panel);color:var(--text-2);border-radius:8px;padding:5px 10px;font-size:12px;cursor:pointer}.visitor-reset:hover{border-color:var(--brand);color:var(--brand)}.visitor-boot{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:13px}.visitor-scroll{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth}.visitor-intro{background:var(--panel-2);border:1px solid var(--border);border-radius:12px;padding:14px 15px;color:var(--text-2);font-size:13px}.visitor-intro p{margin:0 0 7px}.visitor-intro p:last-child{margin-bottom:0}.visitor-intro-note{color:var(--warn);font-size:12px}.visitor-row{display:flex;align-items:flex-start;gap:8px}.visitor-row.is-mine{flex-direction:row-reverse}.visitor-bubble-avatar{width:30px;height:30px;flex:none;border-radius:9px;background:var(--brand-soft);color:var(--brand);font-size:11px;display:flex;align-items:center;justify-content:center}.visitor-bubble{max-width:78%;background:var(--panel-2);border:1px solid var(--border);border-radius:12px;padding:9px 12px}.visitor-bubble.is-mine{background:var(--brand);border-color:var(--brand);color:#fff}.visitor-text{white-space:pre-wrap;word-break:break-word;font-size:14px}.visitor-meta{font-size:11px;color:var(--text-3);margin-top:4px;text-align:right}.visitor-bubble.is-mine .visitor-meta{color:#ffffffbf}.visitor-typing{display:flex;gap:4px;padding:3px 2px}.visitor-typing span{width:6px;height:6px;border-radius:50%;background:var(--text-3);animation:visitor-blink 1.2s infinite ease-in-out}.visitor-typing span:nth-child(2){animation-delay:.2s}.visitor-typing span:nth-child(3){animation-delay:.4s}@keyframes visitor-blink{0%,80%,to{opacity:.25}40%{opacity:1}}.visitor-error{margin:0 16px 8px;background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;border-radius:8px;padding:8px 11px;font-size:12.5px}.visitor-ended{padding:14px 16px;border-top:1px solid var(--border);color:var(--text-2);font-size:13px;display:flex;align-items:center;gap:8px}.visitor-link{border:none;background:none;color:var(--brand);cursor:pointer;padding:0;font-size:13px;text-decoration:underline}.visitor-input{display:flex;gap:8px;align-items:flex-end;padding:12px 16px;border-top:1px solid var(--border);background:var(--panel)}.visitor-input textarea{flex:1;resize:none;min-height:40px;max-height:120px;border:1px solid var(--border);border-radius:10px;padding:10px 12px;line-height:1.5;outline:none}.visitor-input textarea:focus{border-color:var(--brand)}.visitor-input button{flex:none;border:none;background:var(--brand);color:#fff;border-radius:10px;padding:0 18px;height:40px;cursor:pointer;font-weight:500}.visitor-input button:disabled{background:#c7d2e5;cursor:not-allowed}.visitor-foot{padding:9px 16px 14px;font-size:11.5px;color:var(--text-3);line-height:1.5;border-top:1px solid var(--border);background:var(--panel-2)}@media (min-width: 640px){.visitor-page{margin:0 auto;height:100vh}}