:root{--bg: #f6f7f9;--surface: #ffffff;--border: #d8dce2;--text: #1c2330;--muted: #6b7480;--primary: #00a651;--primary-hover: #00863f;--ok: #15803d;--bad: #b91c1c;--info: #2563eb;--info-hover: #1d4ed8;--ins-bg: #e7f6ec;--del-bg: #fdeaea;--rep-bg: #fdf6e3;--radius: 8px;color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5;color:var(--text);background:var(--bg)}.app-header{background:var(--primary);color:#fff;padding:12px 20px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:10}.app-header .brand{font-weight:700;font-size:18px;margin-right:20px;color:#fff;text-decoration:none}.app-header .nav-links{display:flex;gap:4px;position:relative}.app-header .nav-links a{padding:6px 12px;border-radius:6px;color:#ffffffe0;text-decoration:none;font-weight:500}.app-header .nav-links a:hover{background:#ffffff14;color:#fff}.app-header .nav-links a.active{background:#ffffff26;color:#fff}.app-header .nav-dropdown{position:relative;margin:0}.app-header .nav-dropdown summary{list-style:none;cursor:pointer;padding:6px 12px;border-radius:6px;color:#ffffffe0;font-weight:500;font-size:1em}.app-header .nav-dropdown summary::-webkit-details-marker{display:none}.app-header .nav-dropdown summary:hover{background:#ffffff14;color:#fff}.app-header .nav-dropdown[open] summary{background:#ffffff26;color:#fff}.app-header .nav-dropdown-menu{position:absolute;top:100%;left:0;background:var(--primary-hover);border-radius:6px;box-shadow:0 4px 12px #00000040;display:flex;flex-direction:column;min-width:160px;padding:4px;z-index:20}.app-header .nav-dropdown-menu a{padding:6px 12px;border-radius:6px;color:#ffffffe0;text-decoration:none;font-weight:500;white-space:nowrap}.app-header .nav-dropdown-menu a:hover{background:#ffffff14;color:#fff}.app-header .nav-dropdown-menu a.active{background:#ffffff26;color:#fff}.app-header .nav-menu{position:relative}.app-header .nav-menu-trigger{background:none;border:0;padding:6px 12px;border-radius:6px;color:#ffffffe0;font-weight:500;font-size:inherit;font-family:inherit;cursor:pointer}.app-header .nav-menu-trigger:hover{background:#ffffff14;color:#fff}.app-header .nav-menu-items{position:absolute;top:calc(100% + 6px);left:0;z-index:20;min-width:180px;padding:4px;border-radius:8px;background:var(--primary-hover);box-shadow:0 8px 24px #00000059;display:flex;flex-direction:column}.app-header .nav-menu-items a{padding:8px 10px;border-radius:6px;color:#ffffffe0;text-decoration:none;white-space:nowrap}.app-header .nav-menu-items a:hover{background:#ffffff1a;color:#fff}.app-header #status{font-size:13px;opacity:.85}main{max-width:1100px;margin:0 auto;padding:24px 20px 64px}h1{font-size:22px;margin:0 0 16px}h2{font-size:17px;margin:24px 0 10px}h3{font-size:15px;margin:0 0 8px}a{color:var(--primary)}input,select,textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:7px 10px;min-width:0}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #00a6512e}label{display:inline-flex;align-items:center;gap:6px}label.check{flex-direction:row;align-items:center;gap:6px;font-size:13px}label.check input{width:auto}button{font:inherit;font-weight:600;color:#fff;background:var(--primary);border:1px solid transparent;border-radius:6px;padding:8px 16px;cursor:pointer;margin-left:5px;margin-right:5px}button:hover:not(:disabled){background:var(--primary-hover)}button:disabled{background:#c7ccd4;color:#eef0f3;cursor:not-allowed;opacity:.5}button.secondary{background:var(--surface);color:var(--text);border-color:var(--border)}button.secondary:hover:not(:disabled){background:var(--bg)}button.ghost{background:#e2e8f0;color:#334155}button.cancel-btn{background:#b91c1c;margin-left:10px;font-size:12px;padding:4px 12px}button.cancel-btn:hover:not(:disabled){background:#991b1b}button.danger{background:var(--bad)}button.danger:hover:not(:disabled){background:#991b1b}button.info{background:var(--info)}button.info:hover:not(:disabled){background:var(--info-hover)}.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:12px}.stack>*+*{margin-top:12px}.muted{color:var(--muted);font-weight:400;font-size:12px}.hint{color:var(--muted);font-size:13px;margin:8px 0}.error{color:var(--bad);font-weight:500}.legend{font-size:12px;color:#475569;background:#f8fafc;border-left:3px solid var(--primary);padding:6px 10px;margin:0 0 10px}fieldset,.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;margin:0 0 14px;box-shadow:0 1px 3px #00000014}fieldset{display:flex;flex-wrap:wrap;gap:10px;align-items:center}legend{font-weight:600;padding:4px 10px;border:1px solid var(--border);border-radius:6px;background:var(--surface);box-shadow:0 1px 2px #0000000f}.popup-anchor{position:relative;display:inline-block}.popup{position:absolute;top:100%;left:0;margin-top:6px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 4px 12px #00000026;padding:8px;z-index:20;display:flex;gap:8px}ul.list{list-style:none;padding:0;margin:0}ul.list li{background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:10px 14px;margin-bottom:8px;display:flex;justify-content:space-between;gap:12px}ul.list.grid{display:grid;grid-template-columns:1fr;gap:8px}@media(min-width:640px){ul.list.grid{grid-template-columns:1fr 1fr}}ul.list.grid li{margin-bottom:0}.actions{display:flex;gap:8px;margin-left:auto}.accordion-group{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:8px 12px;margin-bottom:8px}.accordion-group summary{cursor:pointer;font-weight:600;list-style:none}.accordion-group summary::-webkit-details-marker{display:none}.accordion-group summary:before{content:"▸";display:inline-block;width:1em;color:var(--muted)}.accordion-group[open] summary:before{content:"▾"}.accordion-group ul.list.grid{margin-top:8px}table{border-collapse:collapse;width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}th,td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--border)}th{background:var(--bg);font-weight:600}tbody tr:last-child td{border-bottom:none}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;text-transform:capitalize}.pill.done{background:var(--ins-bg);color:var(--ok)}.pill.running{background:#e8efff;color:var(--primary)}.pill.error,.pill.cancelled{background:var(--del-bg);color:var(--bad)}.pill.pending{background:#eef0f3;color:var(--muted)}table.summary{width:100%;border-collapse:collapse;font-size:13px}table.summary th,table.summary td{border:1px solid #e5e7eb;padding:6px 8px;text-align:left}table.summary tr.agg td{font-weight:600;background:#f1f5f9}table.summary th{background:#f1f5f9;font-size:11px;line-height:1.25}table.summary td.lat.faster{color:var(--ok);font-weight:600;background:#f0fdf4}table.summary td.lat.slower{color:var(--bad);background:#fef2f2}table.summary td.lat .ratio{display:block;font-size:10px;font-weight:600}table.summary td.score.winner{font-weight:700;background:#f0fdf4}table.summary td.delta.pos{color:var(--ok);font-weight:600}table.summary td.delta.neg{color:var(--bad);font-weight:600}table.summary td.rec{font-family:ui-monospace,monospace;font-size:11px}tr.clickrow{cursor:pointer}tr.clickrow:hover td{background:#eff6ff}.example{border:1px solid #e5e7eb;border-radius:8px;padding:12px;margin-bottom:14px;background:var(--surface)}.example h3{margin:0 0 8px;font-size:14px}.example .err{color:var(--bad)}details{margin:6px 0}summary{cursor:pointer;font-weight:600;font-size:13px}.diff-wrap{overflow-x:auto}table.diff{width:100%;border-collapse:collapse;font-family:ui-monospace,monospace;font-size:12px}table.diff td{padding:2px 6px;vertical-align:top;white-space:pre-wrap;width:50%;border:1px solid #eee}table.diff tr.replace td.old,table.diff tr.delete td.old{background:var(--del-bg)}table.diff tr.replace td.new,table.diff tr.insert td.new{background:var(--ins-bg)}table.diff thead th{background:#f1f5f9;font-size:11px;padding:4px 6px;text-align:left;border:1px solid #e5e7eb;position:sticky;top:0}table.scores-table{width:100%;border-collapse:collapse;font-size:12px}table.scores-table th,table.scores-table td{border:1px solid #e5e7eb;padding:4px 8px;text-align:left}table.scores-table tr.grouprow td{background:#eef2ff;font-weight:700}table.scores-table td.winner{font-weight:700;background:#f0fdf4}table.scores-table td.delta.pos{color:var(--ok)}table.scores-table td.delta.neg{color:var(--bad)}pre.scores,.prompt pre,pre.inputjson,pre.outputtext{background:#0f172a;color:#e2e8f0;padding:10px;border-radius:6px;overflow-x:auto;font-size:12px}pre.inputjson,pre.outputtext{white-space:pre-wrap;margin:0}.prompt .meta{font-size:12px;color:#475569;margin-bottom:6px}.input-wrap{overflow:auto;max-height:420px}.search-bar{display:flex;gap:10px;align-items:center;margin-bottom:6px}.input-search{flex:0 0 260px}.match-count{font-size:12px;color:#64748b}pre.inputjson mark{background:#fde68a;color:#111}.verdict{display:flex;gap:8px;align-items:center;margin-top:8px}.verdict textarea{flex:1;min-height:34px}#progress-log{font-family:ui-monospace,monospace;font-size:12px;max-height:260px;overflow-y:auto;background:#0f172a;color:#cbd5e1;padding:10px;border-radius:6px}#progress-log .logline{padding:1px 0}#progress-log .logline:last-child{color:#7dd3fc}.pager{display:flex;gap:12px;align-items:center;margin-bottom:10px}.pager .pageinfo{font-size:13px;color:#475569;font-weight:600}pre.diff{white-space:pre-wrap;word-break:break-word;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;background:var(--surface);border:1px solid var(--border);border-radius:6px;padding:12px;margin:0}.diff .ins{background:var(--ins-bg)}.diff .del{background:var(--del-bg);text-decoration:line-through}.diff .rep{background:var(--rep-bg)}.crit{cursor:help}.crit .info{color:var(--muted, #888);font-size:12px}.humanscore{width:56px;padding:4px 6px;text-align:center}.scores-table td .humanscore{margin:0}.tabs{display:flex;gap:4px;flex-wrap:wrap;border-bottom:1px solid var(--border);margin:8px 0}.tab{background:transparent;border:1px solid transparent;border-bottom:none;padding:6px 12px;cursor:pointer;border-radius:6px 6px 0 0;color:var(--text)}.tab.active{background:var(--surface);border-color:var(--border);font-weight:600}.tabpane{border:1px solid var(--border);border-top:none;border-radius:0 0 6px 6px;padding:12px;margin-bottom:12px}.scores-wrap{overflow-x:auto}.arm-label{font-weight:600;padding:2px 6px;margin-right:8px}.activity{display:flex;align-items:center;gap:10px;margin:8px 0 16px;color:var(--text)}.activity progress{flex:1;max-width:320px;height:10px}.spinner{width:14px;height:14px;border:2px solid var(--border);border-top-color:#2b6cb0;border-radius:50%;display:inline-block;animation:wb-spin .8s linear infinite}@keyframes wb-spin{to{transform:rotate(360deg)}}.stat{background:#f4f6f8;border:1px solid #e0e4e8;border-radius:8px;padding:14px 20px;min-width:90px;text-align:center}.stat-num{font-size:28px;font-weight:700;line-height:1}.stat-lbl{font-size:12px;color:#667;margin-top:4px;text-transform:uppercase;letter-spacing:.04em}.lf-link{display:inline-block;margin:4px 0 8px;font-size:13px}.jsonview{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;margin:6px 0}.jsonview-search{display:block;width:100%;border:none;border-bottom:1px solid var(--border);border-radius:0;padding:8px 12px;font:inherit}.jsonview-search:focus{outline:none;border-bottom-color:var(--primary)}.jsonview-tree{padding:8px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.7;max-height:340px;overflow:auto}.jsonview-node{border-left:1px solid var(--border);margin-left:2px}.jsonview-node>summary{cursor:pointer;list-style:none;font-weight:600;color:var(--text);padding-left:4px}.jsonview-node>summary:before{content:"▸";color:var(--muted);display:inline-block;width:1em}.jsonview-node[open]>summary:before{content:"▾"}.jsonview-node>div{border-left:1px dashed var(--border)}.jsonview-leaf{padding-left:18px;white-space:pre-wrap;word-break:break-word}.jsonview-leaf .jsonview-key{color:var(--primary);font-weight:600}.jsonview mark{background:#fff3b0;padding:0 1px;border-radius:2px}