:root{--bg:#edf2f4;--panel:#fff;--ink:#142b3a;--muted:#6d7f87;--line:#d7e1e4;--teal:#087b78;--teal-soft:#e3f1ef;--purple:#675a9e;--purple-soft:#eeebf7;--amber:#a86616;--amber-soft:#fff2dc;--red:#b53e45;--green:#2d7a59;--shadow:0 10px 26px rgba(20,43,58,.06);--radius:8px;font-family:Inter,Segoe UI,Microsoft YaHei,Arial,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;background:var(--bg);min-width:0}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}.skip-link{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;z-index:10}.skip-link:focus{left:8px}.app-shell{display:grid;grid-template-columns:216px minmax(0,1fr);min-height:100dvh}.sidebar{background:#142b3a;color:#e9f2f2;padding:26px 16px 18px;display:flex;flex-direction:column;gap:10px}.brand-mark{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:.2px}.brand-pulse{width:13px;height:13px;border:2px solid #76d3c5;border-radius:50%;box-shadow:0 0 0 4px rgba(118,211,197,.13)}.brand-subtitle{font:10px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:1.2px;color:#8ba3aa;margin:0 0 22px 23px}.view-nav{display:flex;flex-direction:column;gap:4px}.nav-item{display:flex;align-items:center;gap:11px;color:#b7c9cd;background:transparent;border:1px solid transparent;text-align:left;padding:11px 9px;border-radius:6px}.nav-item:hover,.nav-item.is-active{color:#fff;background:#1d4150;border-color:#2a5865}.nav-index{font:11px ui-monospace,SFMono-Regular,Consolas,monospace;color:#76d3c5}.sidebar-footer{margin-top:auto;display:flex;align-items:center;gap:8px;border-top:1px solid #2c4b57;padding:14px 5px 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var(--line);border-radius:6px;background:#fff;color:var(--ink);font-size:21px;line-height:1}.icon-button:hover{border-color:var(--teal);color:var(--teal)}.boundary-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);background:#f8fbfb;border-radius:var(--radius);margin:0 0 18px;padding:0}.boundary-strip div{padding:10px 14px;border-right:1px solid var(--line);min-width:0}.boundary-strip div:last-child{border-right:0}.boundary-strip dt{font:10px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted);text-transform:uppercase;letter-spacing:.7px}.boundary-strip dd{font-size:12px;margin:4px 0 0;overflow-wrap:anywhere}.view{display:none}.view.is-active{display:block}.panel-line,.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.panel-line{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;margin-bottom:14px;gap:12px}.source-control{display:flex;gap:4px}.seg-button{border:1px solid transparent;background:#f3f6f7;color:var(--muted);padding:8px 13px;border-radius:5px;font-size:12px}.seg-button.is-active{background:var(--teal-soft);border-color:#b8dfda;color:var(--teal);font-weight:600}.capture-actions{display:flex;align-items:center;gap:10px}.capture-state{color:var(--muted);background:#f7f9fa}.timer{font:13px ui-monospace,SFMono-Regular,Consolas,monospace;min-width:64px}.primary-button,.secondary-button,.text-button{border-radius:6px;padding:8px 13px;font-size:12px;border:1px solid transparent}.primary-button{background:var(--teal);border-color:var(--teal);color:#fff}.primary-button:hover{background:#066460}.secondary-button{background:#fff;border-color:var(--line);color:var(--ink)}.secondary-button:hover,.text-button:hover{border-color:var(--teal);color:var(--teal)}.text-button{background:transparent;color:var(--teal);padding:5px 0}.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:14px}.kpi{background:#f8fbfb;border:1px solid var(--line);border-radius:var(--radius);padding:13px 14px;min-width:0}.kpi-label{display:block;color:var(--muted);font-size:11px}.kpi strong{display:block;font:600 22px ui-monospace,SFMono-Regular,Consolas,monospace;margin-top:7px;overflow-wrap:anywhere}.kpi small{display:block;color:#8b9aa0;font-size:10px;margin-top:3px}.studio-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.8fr);gap:14px;align-items:stretch;margin-bottom:14px}.panel{padding:16px;min-width:0}.panel-heading,.lane-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.panel h2,.lane-heading h2{font-size:16px;line-height:1.25;margin:4px 0 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var(--line);border-radius:5px;padding:9px;background:#fff;color:var(--ink)}.challenge-controls output{font:11px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--teal)}.challenge-actions{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap}.field-note{font-size:11px;color:var(--muted);margin:15px 0 0}.result-row{display:grid;grid-template-columns:150px minmax(0,1fr);gap:12px;padding:15px 0;border-bottom:1px solid #edf1f2;font-size:13px}.result-row:last-child{border-bottom:0}.result-row span{color:var(--muted)}.result-row strong,.result-row code{overflow-wrap:anywhere}.result-row code{font:11px ui-monospace,SFMono-Regular,Consolas,monospace}.empty-matrix{padding:34px 10px;color:var(--muted);font-size:13px;text-align:center}.timeline-panel{margin-bottom:14px}.export-actions{display:flex;gap:6px;flex-wrap:wrap}.event-list{list-style:none;padding:0;margin:8px 0 0}.event-list li{display:grid;grid-template-columns:92px 96px minmax(0,1fr) auto;gap:10px;align-items:start;padding:14px 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div:last-child{border-bottom:0}.capture-strip{align-items:stretch;flex-direction:column}.capture-actions{justify-content:space-between;flex-wrap:wrap}.arena-grid{grid-template-columns:1fr}}@media(max-width:640px){.kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.relay-column{grid-template-columns:1fr}.final-list li{grid-template-columns:64px minmax(0,1fr)}.final-list li .revision-stage{grid-column:2}.evidence-grid{grid-template-columns:1fr}.waveform-panel canvas{height:220px}.topbar{margin-bottom:14px}.topbar-actions{flex-direction:column;align-items:flex-end}.result-row{grid-template-columns:115px minmax(0,1fr)}.event-list li{grid-template-columns:70px 78px minmax(0,1fr);}.event-list li .revision-stage{grid-column:3}.lane-text{font-size:18px}}@media(max-width:390px){.workspace{padding-inline:11px}.topbar h1{font-size:23px}.runtime-chip{font-size:9px}.capture-actions{gap:6px}.primary-button,.secondary-button{padding:8px 9px}.kpi strong{font-size:18px}.waveform-panel canvas{height:220px}.panel{padding:13px}}
.hotword-strip{justify-content:flex-start}.hotword-strip label{font-size:11px;color:var(--muted);flex:0 0 auto}.hotword-strip input{min-width:0;flex:1;border:1px solid var(--line);border-radius:5px;padding:8px 10px;color:var(--ink);background:#fff}.hotword-strip input:focus{outline:2px solid #9dd8d1;outline-offset:1px}.hotword-strip span{font:10px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted);overflow-wrap:anywhere}
@media(max-width:640px){.hotword-strip{display:grid;grid-template-columns:auto minmax(0,1fr) auto}.hotword-strip span{grid-column:1/-1}}