:root{color:#d7dce0;font-synthesis:none;--panel:#1c2024;--line:#363c42;--muted:#a0a8af;--cyan:#93c5b1;--amber:#dab578;--red:#dc9389;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;background:#171a1d;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,sans-serif}*{box-sizing:border-box}body{min-width:350px;margin:0}button,input,select{font:inherit}button,a,select,summary,input[type=range],input[type=checkbox]{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit;background:#292f34;border:1px solid #4b545c;border-radius:4px;padding:7px 11px;font-size:13px}button:hover:not(:disabled){background:#394148}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,.delivery-bar:focus-visible{outline-offset:3px;outline:2px solid #b4ceeb}input,select{color:#e2e6e9;background:#15191c;border:1px solid #4a525a;border-radius:4px}select{min-height:34px;padding:7px 27px 7px 9px;font-size:13px}input[type=number]{width:88px;font-family:var(--mono);text-align:right;min-height:32px;padding:6px;font-size:13px}input[type=checkbox]{accent-color:#8ba99b}.masthead{border-bottom:1px solid var(--line);background:#212529;justify-content:space-between;align-items:center;gap:16px;height:53px;padding:0 24px;display:flex}.app-title{align-items:center;gap:16px;display:flex}.brand{letter-spacing:-.3px;font-size:17px;font-weight:650}.app-title>span{color:#afb7be;border-left:1px solid #4a5258;padding-left:16px;font-size:13px}.masthead nav{align-items:center;gap:23px;font-size:12px;display:flex}.text-button{color:#c7ced4;background:0 0;border:0;padding:7px 0;font-size:12px}.text-button:hover{color:#fff;background:0 0!important}main{max-width:1600px;margin:auto;padding:18px 24px 0}.workspace{border:1px solid var(--line);border-radius:5px;grid-template-columns:274px minmax(0,1fr);display:grid;overflow:hidden}.controls{border-right:1px solid var(--line);background:#1f2428;padding:18px}.section-heading{justify-content:space-between;align-items:center;gap:12px;min-width:0;display:flex}h2{margin:0;font-size:14px;font-weight:600}.field-label{color:#bdc4ca;margin:20px 0 7px;font-size:12px;display:block}#preset{width:100%;font-size:13px}.scenario-description{color:#abb4ba;margin:12px 0 18px;font-size:12px;line-height:1.8}.control-block{border-top:1px solid var(--line);padding:11px 0 3px}.field-row{justify-content:space-between;align-items:center;gap:8px;margin:10px 0;display:flex}.field-row label{font-size:13px}.field-row small{font-family:var(--mono);color:#9ca6af;margin-left:3px;font-size:11px}.toggle-row{border-top:1px solid var(--line);border-bottom:1px solid var(--line);cursor:pointer;justify-content:space-between;align-items:center;gap:6px;margin-top:14px;padding:16px 0;display:flex;position:relative}.toggle-row strong{font-size:13px;font-weight:500}.toggle-row small{color:#a5afb7;margin-top:4px;font-size:11px;line-height:1.6;display:block}.toggle-row input{opacity:0;width:36px;height:24px;position:absolute;right:0}.switch{pointer-events:none;background:#373e44;border:1px solid #626a73;border-radius:10px;flex:none;width:32px;height:18px;position:relative}.switch:after{content:"";background:#b0b7bd;border-radius:50%;width:10px;height:10px;position:absolute;top:3px;left:3px}.toggle-row input:checked+.switch{background:#3c6656;border-color:#779e8d}.toggle-row input:checked+.switch:after{background:#d8e8e1;transform:translate(14px)}.toggle-row input:focus-visible+.switch{outline-offset:3px;outline:2px solid #b4ceeb}.advanced summary{color:#b6c0c8;padding:17px 0;font-size:12px}.check-row{align-items:start;gap:7px;margin:15px 0;font-size:12px;line-height:1.7;display:flex}.check-row input{margin:4px 0 0}.apply-button{color:#23292e;background:#d0d6da;border-color:#d0d6da;width:100%;min-height:36px;margin-top:3px;font-weight:500}.apply-button:hover:not(:disabled){background:#e7ebee}.form-status{color:var(--amber);margin:8px 0;font-size:12px;line-height:1.7}.form-status:empty{display:none}.file-actions{border-top:1px solid var(--line);gap:8px;margin-top:15px;padding-top:15px;display:flex}.file-actions button{white-space:nowrap;flex:1;padding:7px 4px;font-size:12px}.small-note{color:#9ba6af;margin:14px 0 0;font-size:11px;line-height:1.8}.control-reveal{display:none}.instrument{background:#1b1f23;min-width:0}.transport{border-bottom:1px solid var(--line);align-items:center;gap:14px;padding:12px 18px;display:flex}.clock{align-items:center;gap:12px;display:flex}.clock-label{color:#9faab3;font-size:12px}#clock-value{font-family:var(--mono);white-space:nowrap;font-size:20px}#clock-value>span{color:#a4afb6;margin-left:5px;font-size:12px}.live-status{color:#a1abb3;margin-top:2px;font-size:11px}.live-status.running{color:#b2ccb8}.transport-controls{align-items:center;gap:8px;margin-left:auto;display:flex}.transport-controls select{font-family:var(--mono);background:0 0;border-color:#0000;padding:7px 4px;font-size:12px}.transport-controls button{min-height:34px}.icon-button{font-size:12px}.secondary-button span{font-family:var(--mono);margin-left:7px;font-size:11px}.play-button{background:#536c5c;border-color:#728c7b;min-width:76px}.play-button:hover:not(:disabled){background:#637d6c}.play-button>span{margin-left:7px}.metrics{border-bottom:1px solid var(--line);color:#a9b3bb;flex-wrap:wrap;gap:20px;padding:12px 18px;font-size:12px;display:flex}.metric{align-items:baseline;gap:8px;display:inline-flex}.metric strong{font-family:var(--mono);color:#dbe1e6;font-size:13px;font-weight:500}.metric.warning,.metric.warning strong{color:#e4ba7a}.timeline-section{border-bottom:1px solid var(--line);padding:17px 18px 15px}.chart-hint{color:#a0acb4;font-size:11px}.timeline{scrollbar-width:thin;margin-top:23px;overflow-x:auto}.timeline svg{width:100%;min-width:600px;height:auto;display:block}.timeline-grid{stroke:#354048;stroke-width:1px}.axis-text{font-family:var(--mono);fill:#a5afb7;text-anchor:middle;font-size:10px}.lane-text{font-family:var(--mono);fill:#c0c8ce;font-size:12px}.lane-line{stroke:#3c464e;stroke-width:1px}.delivery-bar{cursor:pointer}.delivery-bar rect{stroke-width:1px}.delivery-bar:hover rect,.delivery-bar.selected rect{stroke-width:2px}.delivery-bar.active rect{fill:#454331;stroke:#938563}.delivery-bar.success rect{fill:#304f45;stroke:#789486}.delivery-bar.expired rect{fill:#554837;stroke:#b59d75}.delivery-bar.fault rect{fill:#533e3d;stroke:#ab8179}.delivery-bar.selected rect{stroke:#d5dee5}.delivery-bar text{fill:#e0e5e8;font-family:var(--mono);pointer-events:none;font-size:11px}.playhead{stroke:#d1b378;stroke-width:1px;stroke-dasharray:3 3}.scrubber{font-family:var(--mono);color:#a9b1b6;align-items:center;gap:11px;margin-top:14px;font-size:11px;display:flex}.scrubber input{accent-color:#99b0c0;flex:1;min-width:0;height:4px;margin:0}.timeline-caption{color:#9aa7b0;justify-content:space-between;align-items:center;gap:12px;margin-top:12px;font-size:11px;display:flex}.signal-key{color:#a6b0b6;flex-wrap:wrap;gap:18px;margin-top:15px;font-size:11px;display:flex}.signal-key>span{align-items:center;gap:6px;display:flex}.signal-key i{border-radius:2px;width:8px;height:8px}.cyan{background:#86ad9b}.amber{background:#b39c74}.red{background:#b58882}.inspection{grid-template-columns:minmax(250px,.9fr) minmax(280px,1.1fr);display:grid}.message-inspector{border-right:1px solid var(--line);min-width:0;padding:16px 18px}.event-stream{min-width:0;padding:16px 18px}.inspection select{min-height:29px;padding:3px 5px;font-size:12px}.message-id{align-items:center;gap:13px;margin-top:17px;display:flex}.message-id strong{font-family:var(--mono);font-size:18px;font-weight:500}.status-tag{color:#d2c49d;font-size:11px}.status-tag.done{color:#a2c7b2}.status-tag.dead{color:#daaa99}.message-facts{gap:20px;margin:14px 0;display:flex}.message-facts>div{color:#aab4bb;align-items:baseline;gap:8px;font-size:11px;display:flex}.message-facts strong{font-family:var(--mono);color:#d7dee3;font-size:13px;font-weight:500}.amber-text{color:var(--amber)!important}.receipt{border-left:2px solid #657988;margin-top:17px;padding-left:10px}.receipt>span{font-family:var(--mono);color:#9eafb9;font-size:11px}.receipt p{color:#c3cbd1;margin:5px 0 0;font-size:12px;line-height:1.8}.message-history{scrollbar-width:thin;scrollbar-color:#495761 transparent;height:125px;margin-top:15px;overflow:auto}.message-history>div{align-items:center;gap:9px;min-height:29px;font-size:12px;display:flex}.message-history time{font-family:var(--mono);color:#9cabba;font-size:11px}.message-history small{font-family:var(--mono);color:#899ba9;margin-left:auto;padding-right:10px;font-size:11px}.history-dot{background:#8aa896;border-radius:50%;flex:none;width:5px;height:5px}.kind-ack-lost,.kind-expired,.kind-retry,.kind-stale-ack{background:var(--amber)}.kind-failed,.kind-crashed,.kind-dead-letter{background:var(--red)}.events{scrollbar-width:thin;scrollbar-color:#495761 transparent;height:277px;margin-top:14px;overflow:auto}.event-row{text-align:left;background:0 0;border:0;border-bottom:1px solid #313b43;border-radius:0;grid-template-columns:45px 40px minmax(0,1fr) 22px;align-items:center;gap:9px;width:100%;min-height:37px;padding:9px 6px;font-size:12px;display:grid}.event-row time{font-family:var(--mono);color:#97a7b3;font-size:11px}.event-message{font-family:var(--mono);font-size:12px}.event-attempt{font-family:var(--mono);color:#8d9faa;text-align:right;font-size:11px}.event-fault{color:#e3bc83}.event-selected{background:#27343d}.event-row:hover:not(:disabled){background:#33424d}.event-row:disabled{opacity:.7}.empty-state{color:#a3aeb5;padding:28px 0;font-size:12px;line-height:1.8}.empty-state p{margin:7px 0}.topology-details{border-top:1px solid var(--line)}.topology-details summary{color:#b8c1c8;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;font-size:12px;display:flex}.topology-details summary:before{content:"▸";color:#98a7b2;margin-right:-5px}.topology-details[open] summary:before{content:"▾"}.topology-details summary>span{font-family:var(--mono);color:#8c9da9;margin-left:auto;font-size:11px}.topology{padding:0 18px 10px;overflow-x:auto}.topology svg{width:100%;min-width:560px;max-height:240px;display:block}.connection{fill:none;stroke:#667780;stroke-width:1px}.dashed{stroke-dasharray:4 4;stroke:#a2977e}.node-heading{font-family:var(--mono);fill:#b4c0c8;font-size:12px}.source-node{fill:#26323a;stroke:#7b8e99;stroke-width:1px}.source-node path{stroke:#a1b5bf;fill:none;stroke-width:1.5px}.queue-node{fill:#39372e;stroke:#aa9978;stroke-width:1px}.queue-node path{stroke:#a69a7f}.node-number{font-family:var(--mono);stroke:none;fill:#e0d4b8;font-size:23px;font-weight:400}.node-caption{fill:#a1b0b9;font-family:var(--mono);text-anchor:middle;font-size:10px}.sink-node{fill:#273b34;stroke:#7f9e8f}.sink-node .node-number{fill:#c0d5c9}.sink-node path{fill:none;stroke:#9ab9a6;stroke-width:1.5px}.worker-node rect{fill:#28343c;stroke-width:1px}.worker-node circle{stroke:none}.worker-node text{stroke:none;fill:#d5dee4;font-family:var(--mono);font-size:11px}.worker-node .worker-message{fill:#b5c4cb;font-size:10px}.dim-stroke{stroke:#687d86;fill:#a2b1b6}.amber-stroke{stroke:#b99e6b;fill:var(--amber)}.red-stroke{stroke:#b7857a;fill:var(--red)}.dead-node{fill:#392f29;stroke:#8b7865}.dead-caption{font-family:var(--mono);fill:#cbb599;font-size:11px}.instrument-footer{border-top:1px solid var(--line);color:#a1b1bd;justify-content:space-between;align-items:center;gap:10px;padding:10px 18px;font-size:11px;display:flex}.instrument-footer button{padding:5px 10px;font-size:12px}.page-footer{color:#8e9ca6;max-width:1600px;margin:auto;padding:14px 24px 18px;font-size:11px;line-height:1.8}.scroll-hint{display:none}dialog{color:#d6dee4;background:#232a30;border:1px solid #647580;border-radius:5px;width:min(600px,100vw - 30px);max-height:85vh;padding:25px}dialog::backdrop{background:#0008}.dialog-heading{color:#a9bac5;justify-content:space-between;align-items:center;font-size:12px;display:flex}.dialog-heading .icon-button{background:0 0;border:0;padding:2px 8px;font-size:22px}dialog h2{margin:23px 0 13px;font-size:19px;font-weight:500}dialog p,dialog dd{color:#b1c0ca;font-size:13px;line-height:1.9}dialog dt{margin:19px 0 7px;font-size:13px;font-weight:600}dialog dd{margin:0}dialog a{color:#bbcad7;text-underline-offset:3px;margin-top:12px;font-size:13px;text-decoration:underline;display:inline-block}@media (width<=1100px){.workspace{grid-template-columns:247px minmax(0,1fr)}.controls{padding:16px}.field-row input{width:78px}.toggle-row small{font-size:10px}.clock-label{display:none}.transport{gap:10px}.transport-controls{gap:5px}.message-facts{flex-wrap:wrap;gap:12px}.message-facts>div{font-size:10px}.inspection{grid-template-columns:minmax(220px,.9fr) minmax(230px,1.1fr)}.event-row{grid-template-columns:38px 33px minmax(0,1fr) 20px;gap:5px}}@media (width<=850px){main{padding:14px 15px 0}.masthead{padding:0 16px}.workspace{grid-template-columns:226px minmax(0,1fr)}.field-row label{font-size:12px}.field-row small{font-size:10px}.field-row input{width:72px;font-size:12px}.toggle-row small{max-width:134px;font-size:11px}.transport{flex-wrap:wrap}.live-status{margin-left:auto}.transport-controls{justify-content:flex-end;width:100%}.metrics{gap:12px 18px}.inspection{grid-template-columns:1fr}.message-inspector{border-right:0;border-bottom:1px solid var(--line)}.message-facts>div{font-size:12px}.message-facts{gap:22px}.chart-hint,.topology-details summary>span{display:none}.event-row{grid-template-columns:45px 40px minmax(0,1fr) 22px;gap:9px}.page-footer{padding-left:16px;padding-right:16px}}@media (width<=650px){.masthead{height:52px;padding:0 14px}.app-title{gap:10px}.app-title>span{padding-left:10px;font-size:11px}.brand{font-size:16px}.masthead nav{gap:14px;font-size:11px}.text-button{font-size:11px}main{padding:11px 10px 0}.workspace{flex-direction:column;display:flex}.controls{border-right:0;border-bottom:1px solid var(--line);padding:14px 15px}.controls>.section-heading{display:none}.field-label{margin:0 0 6px;font-size:11px}#preset{min-height:38px}.scenario-description{margin:10px 0 0;font-size:12px;line-height:1.7}.control-reveal{color:#c0cdd5;background:0 0;border:0;justify-content:space-between;align-items:center;width:100%;min-height:30px;margin-top:11px;padding:7px 0;font-size:12px;display:flex}.controls:not(.expanded) form,.controls:not(.expanded) .file-actions,.controls:not(.expanded) .small-note{display:none}.field-row{margin:12px 0}.field-row label{font-size:13px}.field-row input{width:104px;min-height:37px;font-size:13px}.field-row small{font-size:11px}.toggle-row small{max-width:none}.apply-button,.file-actions button{min-height:40px}.transport{flex-wrap:nowrap;gap:10px;padding:11px 14px}.clock{gap:0}.clock-label{display:none}#clock-value{font-size:17px}#clock-value>span{margin-left:3px;font-size:11px}.live-status{display:none}.transport-controls{gap:5px;width:auto;margin-left:auto}.transport-controls button{min-height:38px;padding:6px 8px;font-size:12px}.transport-controls select{width:47px;padding:7px 0;font-size:11px}.secondary-button span{display:none}.play-button{min-width:65px}.play-button>span{margin-left:3px}.metrics{gap:11px 16px;padding:11px 14px;font-size:11px}.metric{gap:6px}.metric strong{font-size:12px}.timeline-section{padding:15px 14px}.timeline{margin-top:21px}.scroll-hint{color:#9babb7;margin:8px 0 0;font-size:10px;line-height:1.7;display:block}.scrubber{margin-top:15px}.timeline-caption{font-size:10px}.signal-key{gap:10px 14px;margin-top:14px;font-size:10px}.signal-key i{width:6px;height:6px}.message-inspector,.event-stream{padding:16px 14px}.message-facts{gap:18px}.message-facts>div{font-size:11px}.message-history{height:132px}.message-history>div{min-height:30px}.events{height:280px}.event-row{min-height:40px}.instrument-footer{padding:10px 14px;font-size:10px}.instrument-footer button{min-height:36px;font-size:11px}.topology-details summary{padding:13px 14px}.topology-details .scroll-hint{margin:0 14px 12px}.page-footer{padding:12px 13px 18px;font-size:10px}.inspection select{min-height:33px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}