:root{--primary: #6366f1;--primary-soft: #eef2ff;--primary-border: #c7d2fe;--bg: #f6f7fb;--surface: #ffffff;--surface-muted: #f2f3f7;--border: #e6e8ef;--text: #16181d;--text-muted: #565c6d;--danger: #dc2626;--success: #16a34a;--warn: #d97706;--radius: 12px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}h1{font-size:22px;margin:0}h2{font-size:16px;margin:0}p{color:var(--text-muted);margin:4px 0 0}a{color:var(--primary)}.app-shell{display:flex;flex-direction:column;min-height:100vh}.topbar{display:flex;align-items:center;gap:12px;padding:0 28px;height:60px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:10px;font-weight:650;font-size:15px}.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:14px}.nav-link{text-decoration:none;color:var(--text-muted);font-size:13.5px;padding:6px 12px;border-radius:8px;font-weight:550}.nav-link:hover{background:var(--primary-soft);color:var(--primary)}.nav-link.active{color:var(--primary);background:var(--primary-soft)}.topbar-spacer{flex:1}.content{padding:28px;max-width:1200px;width:100%;margin:0 auto}.page-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px;gap:16px}.page-head .actions{display:flex;gap:10px}.btn{display:inline-flex;align-items:center;gap:7px;height:36px;padding:0 16px;border-radius:9px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:13.5px;font-family:inherit;cursor:pointer;transition:all .15s;text-decoration:none;white-space:nowrap}.btn:hover{border-color:var(--primary-border);background:var(--primary-soft)}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:#4f46e5;border-color:#4f46e5;color:#fff}.btn-danger{color:var(--danger);border-color:#fecaca}.btn-danger:hover{background:#fef2f2;border-color:#fca5a5}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-icon{width:32px;height:32px;padding:0;justify-content:center}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.node-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.node-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:12px;transition:border-color .15s,box-shadow .15s}.node-card:hover{border-color:var(--primary-border);box-shadow:0 8px 24px -16px #181e3c40}.node-card.offline{opacity:.65}.node-head{display:flex;align-items:center;gap:10px}.node-head .dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.dot-online{background:var(--success)}.dot-offline{background:#9ca3af}.dot-unknown{background:var(--warn)}.node-name{font-weight:650;font-size:15px;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.node-url{font-size:12.5px;color:var(--text-muted);font-family:SF Mono,Consolas,monospace;word-break:break-all}.node-meta{font-size:12px;color:var(--text-muted);display:flex;gap:6px;align-items:center;flex-wrap:wrap}.node-remark{word-break:break-word;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.node-actions{display:flex;gap:6px;justify-content:flex-end;border-top:1px solid var(--border);padding-top:12px;margin-top:auto}.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;padding:2px 9px;border-radius:999px;font-weight:550}.badge-success{background:#dcfce7;color:#15803d}.badge-warn{background:#fef3c7;color:#b45309}.badge-neutral{background:var(--surface-muted);color:var(--text-muted)}.badge-info{background:var(--primary-soft);color:#4338ca}.field{margin-bottom:16px}.label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}.req{color:var(--danger);margin-left:2px}.input,.select,.textarea{width:100%;height:38px;padding:0 12px;border:1px solid var(--border);border-radius:9px;font-size:13.5px;font-family:inherit;background:var(--surface);color:var(--text)}.textarea{height:auto;padding:10px 12px;resize:vertical}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.hint{font-size:12px;color:var(--text-muted);margin-top:4px}.modal-scrim{position:fixed;top:0;right:0;bottom:0;left:0;background:#12162866;display:grid;place-items:center;z-index:100;padding:20px}.modal{background:var(--surface);border-radius:16px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:0 24px 60px -24px #12162880}.modal-head{padding:20px 24px 0}.modal-head h2{font-size:17px}.modal-body{padding:20px 24px}.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:0 24px 20px}.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,#eef2ff,#f6f7fb 60%)}.login-box{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:36px;width:100%;max-width:380px;box-shadow:0 24px 60px -30px #181e3c66}.login-box .brand{font-size:18px;justify-content:center;margin-bottom:6px}.login-box .subtitle{text-align:center;color:var(--text-muted);margin-bottom:24px;font-size:13px}.login-box .btn{width:100%;justify-content:center;height:40px;margin-top:4px}.empty{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty .icon{font-size:40px;margin-bottom:12px}.alert{display:flex;align-items:flex-start;gap:8px;padding:10px 14px;border-radius:9px;font-size:13px}.alert-danger{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}.latency-testing{display:inline-flex;align-items:center}.latency-testing .spinner{width:14px;height:14px}@keyframes spin{to{transform:rotate(360deg)}}.mono{font-family:SF Mono,Consolas,monospace}.user-chip{display:flex;align-items:center;gap:8px;padding-left:12px;border-left:1px solid var(--border)}.user-chip .user-name{font-size:13px;font-weight:550;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.table{width:100%;border-collapse:collapse}.table 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var(--border);border-radius:var(--radius);padding:20px}.stat-label{font-size:13px;color:var(--text-muted)}.stat-value{font-size:30px;font-weight:700;margin-top:6px}.muted{color:var(--text-muted)}.nowrap{white-space:nowrap}.text-right{text-align:right}.w-full{width:100%}.flex{display:flex}.items-center{align-items:center}.gap-8{gap:8px}.stack{display:flex;flex-direction:column;gap:8px}.mt-16{margin-top:16px}.mb-12{margin-bottom:12px}.mt-0{margin-top:0}.empty-sm{text-align:center;padding:22px 16px;color:var(--text-muted);font-size:13px;border:1px dashed var(--border);border-radius:10px}.section-title{font-size:14px;font-weight:650;margin:0 0 12px}.link-btn{border:none;background:transparent;color:var(--primary);cursor:pointer;font-size:13px;font-family:inherit;padding:2px 4px}.link-btn:hover{text-decoration:underline}.btn-sm{height:30px;padding:0 12px;font-size:12.5px}.badge-danger{background:#fee2e2;color:#b91c1c}.alert-success{background:#f0fdf4;color:#15803d;border:1px solid #bbf7d0}.toast-host{position:fixed;top:20px;right:20px;z-index:1000;display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast{min-width:220px;max-width:380px;padding:12px 16px;border-radius:10px;font-size:13px;color:#fff;box-shadow:0 12px 30px -12px #1216288c;pointer-events:auto;animation:toast-in .2s ease}.toast-success{background:var(--success)}.toast-error{background:var(--danger)}@keyframes toast-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.switch{display:inline-flex;align-items:center;gap:9px;font-size:13px;cursor:pointer;-webkit-user-select:none;user-select:none}.switch input{position:absolute;opacity:0;width:0;height:0}.switch-track{position:relative;width:38px;height:22px;border-radius:999px;background:var(--border);flex-shrink:0;transition:background .15s}.switch-track:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0003;transition:transform .15s}.switch input:checked+.switch-track{background:var(--primary)}.switch input:checked+.switch-track:after{transform:translate(16px)}.switch input:focus-visible+.switch-track{box-shadow:0 0 0 3px var(--primary-soft)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.form-grid .span-2{grid-column:1 / -1}@media (max-width: 620px){.form-grid{grid-template-columns:1fr}}.form-section{border-top:1px solid var(--border);margin-top:8px;padding-top:18px}.form-section-title{font-size:13.5px;font-weight:650;margin:0 0 2px}.drawer-scrim{position:fixed;top:0;right:0;bottom:0;left:0;background:#12162866;display:flex;justify-content:flex-end;z-index:100}.drawer{width:min(540px,100%);height:100%;background:var(--surface);display:flex;flex-direction:column;box-shadow:-16px 0 44px -24px #1216288c;animation:drawer-in .2s ease}@keyframes drawer-in{0%{transform:translate(24px);opacity:.6}to{transform:translate(0);opacity:1}}.drawer-head{padding:20px 24px;border-bottom:1px solid var(--border)}.drawer-head h2{font-size:17px}.drawer-body{flex:1;overflow-y:auto;padding:20px 24px}.drawer-foot{display:flex;justify-content:flex-end;gap:10px;padding:16px 24px;border-top:1px solid var(--border)}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}.toolbar .spacer{flex:1}.toolbar .select,.toolbar .input{width:auto;min-width:132px;height:34px}.toolbar-label{font-size:13px;color:var(--text-muted)}.tag{display:inline-flex;align-items:center;font-size:11.5px;padding:1px 7px;border-radius:6px;background:var(--surface-muted);color:var(--text-muted);font-family:SF Mono,Consolas,monospace;white-space:nowrap}.tag-primary{background:var(--primary-soft);color:#4338ca}.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;border:1px solid var(--border);background:var(--surface);font-size:12.5px}.chip-index{width:18px;height:18px;border-radius:50%;background:var(--primary);color:#fff;font-size:11px;display:grid;place-items:center;flex-shrink:0}.hop-flow{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.hop-chip{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface-muted)}.hop-chip.exit{border-color:var(--primary-border);background:var(--primary-soft)}.hop-chip .hop-name{font-weight:600;font-size:13px}.hop-arrow{color:var(--text-muted);font-weight:650}.chain-list{display:flex;flex-direction:column;gap:16px}.chain-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}.chain-name{font-weight:650;font-size:15px}.hop-editor{display:flex;flex-direction:column;gap:8px}.hop-edit-row{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--border);border-radius:9px;background:var(--surface-muted)}.hop-edit-row .grow{flex:1;min-width:0}.hop-edit-row .idx{width:22px;height:22px;border-radius:50%;background:var(--primary);color:#fff;font-size:11px;display:grid;place-items:center;flex-shrink:0}.code-block{background:#f7f8fc;border:1px solid var(--border);border-radius:10px;padding:14px 16px;font-family:SF Mono,Consolas,monospace;font-size:12.5px;line-height:1.6;white-space:pre-wrap;word-break:break-word;max-height:420px;overflow:auto;margin:0;color:var(--text)}.fold{border:1px solid var(--border);border-radius:10px}.fold>summary{cursor:pointer;padding:12px 16px;font-weight:600;font-size:13.5px;list-style:none;display:flex;align-items:center;gap:8px}.fold>summary::-webkit-details-marker{display:none}.fold>summary:before{content:"▸";color:var(--primary);font-size:12px}.fold[open]>summary:before{content:"▾"}.fold-body{padding:0 16px 16px}.proxy-url{display:inline-flex;align-items:center;gap:6px;font-family:SF Mono,Consolas,monospace;font-size:12.5px;background:var(--surface-muted);border:1px solid var(--border);border-radius:8px;padding:4px 6px 4px 9px;max-width:100%}.proxy-url .url-text{word-break:break-all}.copy-btn{border:none;background:transparent;color:var(--primary);cursor:pointer;padding:2px 6px;font-size:12px;font-family:inherit;flex-shrink:0}.copy-btn:hover{background:var(--primary-soft);border-radius:6px}.kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px 20px}.kv-row{display:flex;flex-direction:column;gap:3px;min-width:0}.kv-k{font-size:12px;color:var(--text-muted)}.kv-v{font-size:13.5px;font-family:SF Mono,Consolas,monospace;word-break:break-all}.result-box{border:1px solid var(--border);border-radius:10px;background:var(--surface-muted);padding:14px 16px}.result-row{display:flex;align-items:baseline;gap:10px;font-size:13px;padding:3px 0}.result-k{color:var(--text-muted);min-width:76px;flex-shrink:0}.result-v{font-weight:550;word-break:break-all}.table .btn-sm{height:28px;padding:0 10px}.table .compact{padding-top:8px;padding-bottom:8px}.select-inline{height:32px;font-size:12.5px;padding:0 8px;width:100%;min-width:190px}.psk-cell{display:flex;flex-direction:column;gap:4px}.psk-text{font-size:12px;word-break:break-all;line-height:1.4}.key-actions{display:inline-flex;align-items:center;gap:4px}.result-row .result-v{flex:1;min-width:0}.result-row .copy-btn{margin-left:auto;flex-shrink:0}.cfg-code-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:6px 0 8px}