:root{--bg:#0d1117;--bg-panel:#161b22;--bg-inset:#010409;--border:#30363d;--text:#e6edf3;--text-muted:#8b949e;--blue:#58a6ff;--purple:#bc8cff;--yellow:#d29922;--red:#f85149;--green:#3fb950;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5}.app{max-width:1400px;margin:0 auto;padding:0 24px 48px}.header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:24px;padding:16px 0;display:flex}.brand{align-items:baseline;gap:8px;font-size:18px;font-weight:700;display:flex}.brand-mark{color:var(--blue)}.brand-sub{color:var(--text-muted);font-size:12px;font-weight:400}.status-pill{border:1px solid var(--border);color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;border-radius:999px;padding:3px 12px;font-size:12px;font-weight:600}.status-investigating{color:var(--blue);border-color:var(--blue)}.status-awaiting_approval{color:var(--yellow);border-color:var(--yellow)}.status-committing{color:var(--purple);border-color:var(--purple);animation:1.2s infinite pulse}.status-done{color:var(--green);border-color:var(--green)}.status-rejected,.status-failed{color:var(--red);border-color:var(--red)}.error-banner{border:1px solid var(--red);color:var(--red);font-family:var(--font-mono);word-break:break-all;background:#f851491a;border-radius:6px;margin-bottom:16px;padding:10px 14px;font-size:12px}.hero{text-align:center;max-width:640px;margin:96px auto 0}.hero h1{margin-bottom:12px;font-size:28px}.hero-sub{color:var(--text-muted);margin-bottom:32px}.header-right{align-items:center;gap:16px;display:flex}.demo-note{border-left:3px solid var(--purple);color:var(--text-muted);text-align:left;margin-bottom:20px;padding:12px 14px;font-size:13px}.demo-note strong{color:var(--text)}.demo-ribbon{border-left:3px solid var(--purple);color:var(--text-muted);margin:0 24px 12px;padding:8px 12px;font-size:12px}.scenario-list{gap:10px;display:grid}.scenario-card{text-align:left}.scenario-card:hover{border-color:var(--blue)}.scenario-pick{color:var(--text);cursor:pointer;text-align:left;background:0 0;border:none;gap:4px;width:100%;padding:0;font-family:inherit;font-size:14px;display:grid}.scenario-title{font-weight:600}.scenario-blurb{font-size:13px}.scenario-meta{color:var(--text-muted);font-family:var(--font-mono);margin-top:6px;font-size:12px}.incident-input textarea{background:var(--bg-panel);border:1px solid var(--border);width:100%;color:var(--text);resize:vertical;border-radius:8px;padding:12px 14px;font-family:inherit;font-size:14px}.incident-input textarea:focus{border-color:var(--blue);outline:none}.incident-input-actions{justify-content:space-between;align-items:center;margin-top:12px;display:flex}.link-btn{color:var(--blue);cursor:pointer;background:0 0;border:none;font-size:13px}.link-btn:hover{text-decoration:underline}.primary-btn{background:var(--green);color:#04150a;cursor:pointer;border:none;border-radius:6px;padding:8px 20px;font-size:14px;font-weight:600}.primary-btn:disabled{opacity:.4;cursor:not-allowed}.primary-btn:hover:not(:disabled){filter:brightness(1.1)}.workspace{grid-template-columns:minmax(380px,45%) 1fr;align-items:start;gap:20px;display:grid}.timeline-col{position:sticky;top:16px}.panels-col{flex-direction:column;gap:16px;min-width:0;display:flex}.panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:8px;padding:16px;animation:.25s ease-out fade-up}@keyframes fade-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.pulse{animation:1.2s infinite pulse}.panel h2{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:12px;font-size:13px}.panel h3{color:var(--text-muted);margin:14px 0 8px;font-size:12px}.muted{color:var(--text-muted)}.urn{font-family:var(--font-mono);color:var(--text-muted);word-break:break-all;font-size:11px}.chip{border:1px solid var(--border);color:var(--text-muted);white-space:nowrap;border-radius:999px;padding:1px 8px;font-size:11px;font-weight:600;display:inline-block}.chip-type{color:var(--blue);border-color:#58a6ff66}.chip-symptom{color:var(--red);border-color:#f8514966}.chip-cause{color:var(--purple);border-color:#bc8cff66}.chip-owner{color:var(--yellow);border-color:#d2992266}.chip-tool{color:var(--green);font-family:var(--font-mono);border-color:#3fb95066}.chips{flex-wrap:wrap;gap:6px;display:flex}.timeline-scroll{max-height:calc(100vh - 140px);overflow:hidden auto}.timeline ul{list-style:none}.event,.hypothesis,.mutation{border-bottom:1px solid #30363d80}.event:last-child,.hypothesis:last-child,.mutation:last-child{border-bottom:none}.event{gap:10px;padding:7px 0;display:flex}.event-icon{text-align:center;flex-shrink:0;width:20px;font-size:12px;line-height:21px}.event-start .event-icon{color:var(--blue)}.event-info .event-icon{color:var(--text-muted)}.event-tool_call .event-icon{color:var(--purple)}.event-warning .event-icon{color:var(--yellow)}.event-error .event-icon{color:var(--red)}.event-result .event-icon{color:var(--green)}.event-working .event-icon{color:var(--blue);font-size:9px}.event-body,.mutation-body{flex:1;min-width:0}.event-head{justify-content:space-between;gap:8px;display:flex}.event-phase{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);font-size:11px;font-weight:700}.event-time{font-family:var(--font-mono);color:var(--text-muted);font-size:10px}.event-message{overflow-wrap:anywhere;font-size:13px}.event-tool,.mutation-args{font-family:var(--font-mono);background:var(--bg-inset);word-break:break-all;white-space:pre-wrap;border-radius:4px;margin-top:4px;padding:4px 8px;font-size:11px;display:block}.event-tool{color:var(--purple)}.mutation-args{color:var(--text)}.event-tool-error{color:var(--red)}.resolved-row{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:4px;display:flex}.resolved-name{font-size:16px;font-weight:700}.ambiguity{color:var(--yellow);margin-top:8px;font-size:12px}.prior-list,.hint-list,.impact-list,.hypothesis-list,.mutation-list,.evidence-list{list-style:none}.prior-card{border:1px solid var(--border);border-radius:6px;margin-bottom:8px;padding:10px 12px}.prior-head{justify-content:space-between;align-items:baseline;gap:8px;display:flex}.prior-title{font-weight:600}.badge{text-transform:uppercase;border-radius:999px;padding:1px 8px;font-size:10px;font-weight:700}.badge-high,.verdict-exonerated{color:var(--green);background:#3fb95026}.badge-medium,.verdict-insufficient_evidence{color:var(--yellow);background:#d2992226}.badge-low{color:var(--text-muted);background:#8b949e26}.verdict-probable_cause{color:var(--blue);background:#58a6ff26}.verdict{margin-left:10px}.prior-summary,.prior-resolution{color:var(--text-muted);margin-top:4px;font-size:12px}.hint-list li{flex-wrap:wrap;align-items:baseline;gap:8px;padding:4px 0;display:flex}.hint-reason{font-size:12px}.blast-summary{align-items:flex-start;gap:32px;margin-bottom:8px;display:flex}.blast-score-number{color:var(--red);font-size:32px;font-weight:800;line-height:1.1;display:block}.blast-score-label{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:4px;font-size:11px;display:block}.hop-group h3{border-top:1px solid var(--border);padding-top:10px}.impact-row{padding:5px 0}.impact-head{align-items:baseline;gap:8px;display:flex}.impact-name{text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.impact-score{font-family:var(--font-mono);color:var(--text-muted);margin-left:auto;font-size:12px}.score-bar,.confidence-bar{background:var(--bg-inset);border-radius:2px;height:4px;margin-top:4px;overflow:hidden}.score-bar-fill{background:var(--red);border-radius:2px;height:100%}.confidence-bar-fill{border-radius:2px;height:100%}.confidence-bar-fill.confidence-high{background:var(--green)}.confidence-bar-fill.confidence-medium{background:var(--yellow)}.confidence-bar-fill.confidence-low{background:var(--text-muted)}.confidence-label{font-family:var(--font-mono);margin-left:auto;font-size:12px;font-weight:700}.confidence-label.confidence-high{color:var(--green)}.confidence-label.confidence-medium{color:var(--yellow)}.confidence-label.confidence-low{color:var(--text-muted)}.hypothesis{padding:10px 0}.hypothesis-head{align-items:center;gap:8px;display:flex}.hypothesis-statement{margin:6px 0}.hypothesis details{margin-top:8px}.hypothesis summary{cursor:pointer;color:var(--text-muted);font-size:12px}.evidence-list{color:var(--text-muted);padding:6px 0 0 16px;font-size:12px}.evidence-list li{margin-bottom:3px;list-style:outside}.plan-postmortem-title,.plan-rationale{color:var(--text-muted);margin-bottom:10px;font-size:13px}.mutation{gap:8px;padding:8px 0;display:flex}.mutation-gutter{color:var(--green);font-family:var(--font-mono);flex-shrink:0;width:14px;font-weight:700}.mutation-head{flex-wrap:wrap;align-items:baseline;gap:8px;display:flex}.mutation-rationale{color:var(--text-muted);margin-top:4px;font-size:12px;font-style:italic}.mutation-status{margin-top:5px;font-size:12px;font-weight:600}.mutation-status.ok{color:var(--green)}.mutation-status.err{color:var(--red)}.gate,.postmortem-callout,.rejected-banner{border-top:1px solid var(--border);margin-top:12px;padding-top:14px}.gate{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.gate-label{color:var(--yellow);font-size:12px}.gate-actions{gap:10px;display:flex}.reject-btn{border:1px solid var(--red);color:var(--red);cursor:pointer;background:0 0;border-radius:6px;padding:8px 18px;font-weight:600}.reject-btn:hover{background:#f851491a}.postmortem-callout{color:var(--green);font-weight:600}.plan-rejected{opacity:.55}.rejected-banner{color:var(--red);font-weight:600}.failed-note{color:var(--red)}@media (width<=900px){.workspace{grid-template-columns:1fr}.timeline-col{position:static}}