:root{--ink:#23313d;--muted:#6d7b88;--blue:#346c98;--line:#e1e7eb;--green:#28846d;--amber:#a06c24;--paper:#fff;--wash:#f5f7f8}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header{height:70px;max-width:1240px;margin:auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}header nav{display:flex;gap:28px;font-size:13px}.brand{font-size:12px;letter-spacing:2.5px;font-weight:750;color:var(--ink)}main{max-width:1220px;margin:auto;padding:0 28px}.hero{text-align:center;padding:65px 0 43px}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:2px;color:var(--muted);margin:0 0 17px}h1,h2{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-1.7px;line-height:1.12;margin:0}h1{font-size:65px}h1 em{color:var(--blue);font-style:normal}.author{font-size:17px;margin:23px 0 9px;color:var(--blue)}.deck{font-size:19px;color:var(--muted);margin:0}.links{display:flex;justify-content:center;gap:12px;margin:27px 0 20px;flex-wrap:wrap}.links a{border:1px solid #d4dfe5;border-radius:5px;padding:8px 15px;font-size:13px;color:var(--ink)}.links a.primary{color:white;background:var(--ink);border-color:var(--ink)}small{font-size:10px;color:var(--muted)}.snapshot{font-size:12px;color:var(--muted);margin:0}.wide{margin:0 auto 35px;max-width:1100px}.puzzle{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:var(--wash)}.figure-top{display:flex;align-items:center;justify-content:space-between;padding:15px 21px;font-size:11px;letter-spacing:.5px;color:var(--muted);gap:15px}.tabs{display:flex;gap:5px}.tabs button{background:white;border:1px solid var(--line);padding:6px 12px;border-radius:4px;font:inherit;cursor:pointer}.tabs button[aria-pressed=true]{border-color:var(--blue);color:var(--blue)}.puzzle-grid{display:flex;max-height:440px;overflow:hidden;background:#10262e}.puzzle-grid img{width:100%;height:auto;min-width:0;object-fit:cover}.puzzle-grid:has(canvas:not([hidden])) img{width:62%}.puzzle-grid canvas{width:38%;height:auto;object-fit:contain}.puzzle-bottom{padding:18px 23px 10px;font-size:14px;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}.puzzle-bottom p{flex:1 0 100%;margin:0;font-size:12px;color:var(--muted)}figcaption,.caption{font-size:12px;line-height:1.65;color:var(--muted)}figcaption{padding:13px 21px;background:white}.contents{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;max-width:1000px;margin:0 auto 85px;font-size:12px;border-bottom:1px solid var(--line);padding:13px 0 24px}.contents span{font-size:9px;letter-spacing:1px;color:var(--muted)}.prose{max-width:780px;margin:0 auto 70px}h2{font-size:44px;margin:0 0 25px}.prose p{margin:0 0 19px}.prose strong{font-weight:650}section{scroll-margin-top:35px}.actions{display:grid;grid-template-columns:repeat(3,1fr);margin:29px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0}.actions div{display:flex;flex-direction:column;align-items:center;line-height:1.5}.actions b{font-size:33px;font-weight:400;color:var(--blue)}.actions code{font-size:14px}.actions span{font-size:11px;color:var(--muted)}code,pre{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}pre{background:var(--wash);border:1px solid var(--line);border-radius:5px;padding:18px;overflow:auto;font-size:12px;line-height:1.8;margin:25px 0}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px;text-align:left}th{font-size:10px;text-transform:uppercase;letter-spacing:.8px;font-weight:600;color:var(--muted);padding:13px 15px;border-bottom:1px solid var(--line);white-space:nowrap}td{padding:16px 15px;border-bottom:1px solid var(--line);vertical-align:top}.prose .table-wrap{margin:27px 0 15px}.status-strip{display:grid;grid-template-columns:2fr 1.5fr 1.5fr;gap:18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:30px 0 14px;padding:20px 0}.status-strip b{display:block;font-family:Georgia,serif;font-weight:400;font-size:43px;line-height:1.1}.status-strip span{font-size:11px;color:var(--muted)}.result-figure{margin-top:-39px;margin-bottom:85px;border:1px solid var(--line);border-radius:7px;overflow:hidden}.results th{background:var(--wash)}.results td:first-child{font-weight:650;min-width:175px}.score{font-size:21px;font-weight:650;line-height:1.5;display:block}.score.unavailable{font-size:12px;font-weight:500;color:var(--amber)}.dots{display:flex;gap:7px;margin-top:6px}.dot{width:11px;height:11px;border-radius:50%;border:1px solid #bdc8d1;background:#e5eaee;padding:0;cursor:pointer}.dot.success{background:var(--green);border-color:var(--green)}.dot.quota_interrupted,.dot.pending{background:#f3dfb9;border-color:#b7863a}.dot.skipped,.dot.withdrawn{background:repeating-linear-gradient(45deg,#fff,#fff 2px,#b9c5ce 2px,#b9c5ce 3px)}.sub{display:block;font-size:10px;color:var(--muted);font-weight:400;margin-top:4px}.shape-bars{padding:24px;background:var(--wash);margin:28px 0;border-radius:7px}.shape-bars>div{display:grid;grid-template-columns:150px 1fr 40px;align-items:center;gap:18px;margin:13px 0;font-size:12px}.shape-bars i{height:12px;background:#e1e8ec;border-radius:2px;overflow:hidden}.shape-bars i b{height:100%;display:block;background:var(--blue)}.insight{position:relative;border-top:1px solid var(--line);padding:24px 0 24px 50px}.insight-number{position:absolute;left:0;top:28px;font-family:Georgia,serif;color:#a2b3bf;font-size:25px}h3{font-size:18px;letter-spacing:-.2px;font-weight:650;margin:0 0 12px}.insight p{font-size:16px}.text-button{font:inherit;font-size:12px;border:0;background:none;color:var(--blue);padding:0;cursor:pointer}.text-button:hover{text-decoration:underline}.explorer{border:1px solid var(--line);border-radius:9px;overflow:hidden;margin-top:-35px;margin-bottom:85px}.replay-controls{display:flex;padding:17px 22px;gap:20px;justify-content:space-between;align-items:center;background:var(--wash)}.replay-controls label{font-size:10px;text-transform:uppercase;color:var(--muted);flex:1}select{display:block;max-width:100%;width:620px;border:1px solid #ccd8df;border-radius:4px;padding:9px;background:white;font:13px -apple-system,BlinkMacSystemFont,sans-serif;color:var(--ink);margin-top:4px}.badge{font-size:10px;padding:5px 9px;border-radius:4px;background:#e8edf0;white-space:nowrap}.badge.success{background:#dfefe9;color:var(--green)}.badge.quota_interrupted,.badge.pending{background:#faedda;color:var(--amber)}.replay-grid{display:grid;grid-template-columns:1.45fr 1fr;background:#142b33}.observation,.map-view{position:relative;display:flex;align-items:center;min-width:0}.observation img{width:100%;height:auto}.map-view canvas{width:100%;height:auto;max-height:365px;object-fit:contain}.observation span,.map-view span{position:absolute;bottom:9px;left:10px;font-size:9px;color:#e7eef0;background:#102129bf;padding:3px 7px;border-radius:3px}.replay-metrics{display:grid;grid-template-columns:repeat(4,1fr);padding:17px 25px;background:#f8fafb;border-bottom:1px solid var(--line)}.replay-metrics span{font-size:10px;color:var(--muted)}.replay-metrics b{font-size:22px;color:var(--ink);display:block;line-height:1.5}.timeline{display:flex;align-items:center;gap:12px;padding:18px 25px 5px}.timeline input{flex:1;accent-color:var(--blue);min-width:50px}.timeline button{background:white;border:1px solid var(--line);border-radius:4px;padding:7px 11px;color:var(--ink);cursor:pointer}#replay-caption{padding:5px 25px;margin:0}.coverage{padding:14px 25px}#coverage-chart{width:100%;height:auto;display:block}.small{font-size:10px;color:var(--muted)}#no-trace{padding:35px;color:var(--muted);text-align:center;font-size:14px}.note{border-left:3px solid #b6cedf;background:#f4f8fa;padding:17px 20px;font-size:14px}.download-links{display:flex;gap:12px 20px;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;margin:25px 0;font-size:12px}details{padding:15px 0;font-size:14px}summary{cursor:pointer;color:var(--blue)}details li{margin:10px 0}footer{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding:25px 0 40px;font-size:10px;color:var(--muted)}button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:4px}[hidden]{display:none!important}@media(max-width:760px){body{font-size:16px}header{padding:0 18px;height:60px}header nav{gap:15px;font-size:11px}main{padding:0 18px}.hero{padding-top:45px}h1{font-size:43px;letter-spacing:-1px}h1 br{display:none}.deck{font-size:16px}.links{gap:8px}.links a{font-size:11px;padding:7px 10px}.snapshot{font-size:10px}.contents{margin-bottom:58px;gap:9px 15px}.prose{margin-bottom:52px}h2{font-size:34px;letter-spacing:-1px}.status-strip{gap:12px}.status-strip b{font-size:32px}.status-strip span{font-size:9px}.result-figure{margin-top:-22px;margin-bottom:55px}.results th,.results td{padding:12px 10px}.results td:first-child{min-width:135px}.score{font-size:18px}.shape-bars{padding:14px}.shape-bars>div{grid-template-columns:120px 1fr 32px;gap:12px;font-size:11px}.replay-grid{grid-template-columns:1fr}.map-view{justify-content:center}.map-view canvas{width:76%;max-height:290px}.replay-controls{padding:14px;gap:10px}.replay-controls label{width:70%}.badge{font-size:9px;white-space:normal}.replay-metrics{padding:14px;gap:8px}.replay-metrics b{font-size:18px}.replay-metrics span{font-size:9px}.timeline{padding:15px 14px 5px;gap:8px}.coverage{padding:12px 14px}.puzzle-grid:has(canvas:not([hidden])){flex-wrap:wrap;max-height:none}.puzzle-grid:has(canvas:not([hidden])) img{width:100%}.puzzle-grid canvas{width:100%;height:270px}.puzzle-bottom{padding:15px}.insight{padding-left:37px}.insight-number{font-size:21px}.links small{font-size:8px}footer{flex-direction:column;gap:2px}}

/* Localized report and exact action playback */
header nav {align-items:center;flex-wrap:wrap;justify-content:flex-end;row-gap:4px}
.lang-switch {border:1px solid #ccd8df;padding:3px 9px;border-radius:4px;white-space:nowrap}
[lang="zh-CN"] h1,[lang="zh-CN"] h2 {font-family:inherit;letter-spacing:-.04em;font-weight:650;line-height:1.25}
.hero .deck {max-width:850px;margin-inline:auto}
.findings-intro {border-top:1px solid var(--line);padding-top:24px;margin-bottom:40px}
.replay-controls select {width:min(100%,620px)}
.observation canvas {width:100%;height:auto}
.step-toolbar {display:flex;align-items:center;gap:.8rem;flex-wrap:wrap;padding:12px 24px 0;font-size:12px}
.step-toolbar label {display:flex;align-items:center;gap:.65rem;color:var(--muted)}
.step-toolbar select {width:auto;margin:0;font-size:12px;padding:6px 8px}
.step-toolbar strong {color:var(--blue);flex:1}
.step-toolbar .wall-hit {color:#a13732}
#step-counter,#text-step-counter {font-variant-numeric:tabular-nums;color:var(--muted);margin-left:auto}
.timeline button:disabled {opacity:.38;cursor:default}
.dot:not(button) {cursor:default}
#replay-loading {padding:16px 22px;margin:0;color:var(--muted)}
.insight .text-button {margin-right:1rem}
.citation {border-top:1px solid var(--line);margin-bottom:34px}
.citation pre {margin:12px 0}
#copy-status {font-size:12px;color:var(--muted);margin-left:10px}
.copy-buffer {position:fixed;left:-10000px;top:0}
@media(max-width:520px) {
  header {gap:8px}
  header nav {gap:5px 10px}
  .brand {letter-spacing:1px;white-space:nowrap}
  .step-toolbar {padding-inline:14px;gap:6px 10px}
}

/* Trial filters and browsable replay results */
.trial-browser {padding:18px 22px;background:var(--wash);border-bottom:1px solid var(--line)}
.trial-filter-header {display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}
.trial-filter-header h3 {margin:0}
.trial-filter-header button:disabled {opacity:.45;cursor:default}
.trial-filters {display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.trial-filters label {font-size:12px;color:var(--muted)}
.trial-filters select {width:100%;font-size:12px}
#trial-count,#no-trials {font-size:12px;color:var(--muted);margin:10px 0 6px}
#trial-list {position:relative;max-height:255px;overflow:auto;overscroll-behavior:contain;list-style:none;padding:0;margin:0;border:1px solid var(--line);border-radius:5px;background:var(--paper)}
#trial-list li + li {border-top:1px solid var(--line)}
#trial-list button {display:grid;grid-template-columns:minmax(145px,1fr) minmax(175px,2fr) auto;align-items:center;gap:8px 12px;width:100%;min-height:40px;padding:8px 12px;border:0;border-left:3px solid transparent;background:transparent;color:var(--ink);text-align:left;cursor:pointer;font:inherit;font-size:12px;line-height:1.45}
#trial-list button:hover {background:#f4f8fb}
#trial-list button[aria-current="true"] {background:#eaf3f9;border-left-color:var(--blue)}
#trial-list button:focus-visible {outline-offset:-2px}
#trial-list button span:not(.badge) {color:var(--muted);font-size:11px}
.replay-selection {padding:9px 22px;display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:12px}
@media(max-width:650px) {
  .trial-browser {padding:12px 14px}
  .trial-filters {grid-template-columns:repeat(2,minmax(0,1fr))}
  #trial-list button {grid-template-columns:minmax(0,1fr) auto;gap:4px 8px}
  #trial-list button span:not(.badge) {grid-row:2;grid-column:1/-1}
  .replay-selection {padding-inline:14px}
}