:root{color-scheme:dark;font-family:Arial,Helvetica,sans-serif;color:#e4ece6;background:#080e0c;font-size:16px}*{box-sizing:border-box}body{margin:0}main{max-width:1200px;margin:auto;padding:28px}a{color:#9ddfc9;text-underline-offset:3px}p{line-height:1.6;margin:8px 0 16px}h1{font-size:38px}h2{font-size:30px;line-height:1.2;margin:10px 0 16px}h3{font-size:21px;margin:0 0 12px}.credit{font-size:14px;color:#a9bdb1;max-width:900px}.lead{max-width:800px;margin:28px 0}.eyebrow{font-size:13px;letter-spacing:.13em;color:#9ed6c1}.topics,.study-picker{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}button{font:inherit;line-height:1.4;color:inherit;background:#101c16;border:1px solid #3c5548;border-radius:10px;padding:12px 18px;cursor:pointer}button[aria-pressed=true]{background:#2b4d3d;border-color:#a6d5bd}button:focus-visible,a:focus-visible{outline:3px solid #ffbd78;outline-offset:4px}.grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(250px,1fr);gap:24px}.panel,.note{border:1px solid #30473b;border-radius:16px;background:#101b15;padding:24px}.note{margin-top:20px;background:#0b1510}.meta{color:#a9bdb1;font-size:14px}.large{font-size:42px;line-height:1.1;color:#9cddc4;font-weight:600}.metric{margin:22px 0}.metric-head{display:flex;justify-content:space-between;gap:16px;margin-bottom:8px}.track{height:12px;background:#26372e;border-radius:8px;overflow:hidden}.fill{height:100%;background:#93d9bd}.fill.other{background:#9cbfed}.legend{display:flex;gap:20px;color:#bfd0c5;font-size:14px}.summary{border-left:3px solid #e4ad75;padding-left:18px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.cards .panel{padding:20px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:16px}th,td{text-align:left;padding:15px 12px;border-bottom:1px solid #30473b;vertical-align:top}th{color:#a2d9c3}li{line-height:1.6;margin-bottom:10px}details{margin-top:28px}details article{padding:16px 0;border-bottom:1px solid #30473b}summary{cursor:pointer}footer{font-size:14px;color:#a9bdb1;margin:24px 0}@media(max-width:720px){main{padding:16px}.grid,.cards{grid-template-columns:1fr}.topics button{flex:1 1 42%;padding:12px}.panel{padding:18px}.large{font-size:34px}h2{font-size:26px}}
/* Extend the existing TrueKnee palette with a data-first study workspace. */
.lead{margin:8px 0 20px}.lead>.eyebrow{display:none}.topics{border-bottom:1px solid #30473b;padding-bottom:20px}.topic-count{display:inline-flex;align-items:center;justify-content:center;margin-left:7px;min-width:24px;height:24px;border-radius:50%;background:#080e0c;font-size:13px}.section-heading{max-width:850px;margin:26px 0}.evidence-workspace{display:grid;grid-template-columns:250px minmax(0,1fr);gap:22px;align-items:start}.study-rail{display:grid;gap:8px}.study-rail button{display:flex;gap:12px;text-align:left;padding:15px 12px;background:transparent;border-color:transparent}.study-rail button[aria-pressed=true]{background:#17372a;border-color:#6faa91}.study-index{font-size:14px;color:#9cddc4;padding-top:2px}.study-rail strong{font-size:16px;font-weight:500;display:block}.study-rail small{display:block;color:#b6c5bd;font-size:13px;margin-top:6px}.study-detail{border:1px solid #375044;border-radius:18px;overflow:hidden;background:#101c16}.study-heading{padding:26px 28px 20px}.study-heading h3{font-size:27px;line-height:1.25}.study-facts{display:flex;gap:8px;flex-wrap:wrap;font-size:14px;color:#c5d9cd}.study-facts span{padding:6px 10px;border:1px solid #3c5447;border-radius:6px}.visual{margin:0;padding:25px 28px;background:linear-gradient(145deg,#101e21,#0a1511 70%);border-block:1px solid #30473b;min-width:0}.visual-heading{display:flex;align-items:start;justify-content:space-between;gap:16px;margin-bottom:28px}.visual h4{font-size:20px;font-weight:500;line-height:1.4;margin:0}.motion-controls{display:flex;gap:6px;flex-shrink:0}.motion-controls button{font-size:14px;padding:6px 9px;background:transparent;border-color:#425f50}.bar-chart{padding:0 0 12px}.chart-row{margin:22px 0}.chart-label{display:flex;justify-content:space-between;gap:16px;align-items:baseline;font-size:16px;margin-bottom:12px}.chart-label strong{color:var(--accent);font-size:26px;font-weight:500;white-space:nowrap}.chart-label small{font-size:14px;color:#bdcfc5}.bar-track{height:20px;background:#22382f;border-radius:3px;overflow:hidden}.bar-fill{height:100%;background:linear-gradient(90deg,color-mix(in srgb,var(--accent) 55%,#18352d),var(--accent));transform-origin:left;animation:grow 1400ms cubic-bezier(.16,1,.3,1) both;animation-delay:var(--delay)}.scale{display:flex;justify-content:space-between;color:#a8bcb0;border-top:1px solid #40544a;padding-top:8px;font-size:14px}.ring-wrap{display:flex;gap:28px;align-items:center;justify-content:center}.ring{width:260px;max-width:60%;flex-shrink:0}.ring-track,.ring-value{fill:none;stroke-width:12}.ring-track{stroke:#344c41}.ring-value{stroke:#90e0c2;transform:rotate(-90deg);transform-origin:110px 110px;stroke-dasharray:var(--portion) 100;animation:draw-ring 1800ms cubic-bezier(.16,1,.3,1) both}.ring-number{fill:#cdf6e7;font-size:37px;font-weight:500}.ring-caption{fill:#aec7ba;font-size:12px}.ring-key{font-size:14px;color:#b2c9bb;max-width:220px}.key-line{display:flex;align-items:center;gap:9px;margin:12px 0}.key-line i{height:10px;width:10px;background:#90e0c2;border-radius:50%}.key-line .remainder{background:#536e5f}.interval-chart{padding:0 12px}.interval-row{margin:24px 0}.interval-track{height:52px;position:relative;background:repeating-linear-gradient(90deg,#abcbb80d 0,#abcbb80d 1px,transparent 1px,transparent 25%);border-bottom:1px solid #40544a}.confidence{position:absolute;top:24px;height:4px;background:var(--accent);transform-origin:center;animation:grow 1400ms ease both;animation-delay:var(--delay)}.confidence::before,.confidence::after{content:'';position:absolute;height:15px;top:-6px;width:2px;background:var(--accent)}.confidence::before{left:0}.confidence::after{right:0}.estimate{position:absolute;top:17px;width:18px;height:18px;margin-left:-9px;border:3px solid #102219;border-radius:50%;background:var(--accent);animation:appear 1200ms ease both;animation-delay:var(--delay)}.reference-line{position:absolute;height:100%;border-left:1px dashed #b9c8be}.reference-line.benchmark{border-color:#efba7c}.interval-axis{position:relative;height:26px;margin-top:10px;color:#b1c5b9;font-size:14px}.interval-axis span{position:absolute;transform:translateX(-50%)}.axis-unit{text-align:center;font-size:14px;color:#b1c5b9;margin:0}.audit-visual{padding:0;list-style:none;display:grid;gap:12px}.audit-visual li{padding:18px 20px;border:1px solid #3d6250;border-radius:10px;display:flex;gap:18px;align-items:center;margin:0;background:#14271e;animation:slide-in 800ms ease both;animation-delay:var(--delay)}.audit-visual span{color:#8ddbbc;font-size:25px}.visual figcaption{font-size:14px;color:#c7d9ce;line-height:1.6;margin-top:22px}.motion-note{font-size:12px;color:#96afa0;margin:12px 0 0}.interpretation{display:grid;grid-template-columns:1fr 1fr;gap:26px;padding:22px 28px}.interpretation p:last-child{margin-bottom:0}.interpretation .eyebrow{font-size:12px;letter-spacing:.12em;color:#a7ddc4}.interpretation>div:last-child .eyebrow{color:#efba7c}.study-source{padding:16px 28px;border-top:1px solid #30473b;display:flex;justify-content:space-between;gap:14px;font-size:14px;flex-wrap:wrap}.study-source span{color:#a2b6a9}.section-note{margin-top:24px}.paused .motion{animation-play-state:paused!important}@keyframes grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}@keyframes draw-ring{from{stroke-dasharray:0 100}to{stroke-dasharray:var(--portion) 100}}@keyframes appear{from{opacity:0}to{opacity:1}}@keyframes slide-in{from{opacity:0;transform:translateX(-14px)}to{opacity:1;transform:translateX(0)}}@media(prefers-reduced-motion:reduce){.motion{animation:none!important}.motion-controls{display:none}.motion-note{display:none}}@media(max-width:960px){.evidence-workspace{grid-template-columns:1fr}.study-rail{display:flex;overflow-x:auto;padding-bottom:8px}.study-rail button{min-width:210px;flex:0 0 210px;border-color:#2b4135}.study-heading{padding:22px}.visual{padding:22px}.interpretation{padding:22px}}@media(max-width:600px){.visual-heading{display:block}.motion-controls{margin-top:14px}.interpretation{grid-template-columns:1fr;gap:16px}.ring-wrap{gap:14px;flex-direction:column}.ring{max-width:100%;width:230px}.ring-key{max-width:none}.ring-key p{margin-bottom:0}.chart-label strong{font-size:23px}.study-heading h3{font-size:23px}.visual{padding:20px 16px}.study-facts{line-height:1.5}.topics button{font-size:15px}}
.study-citation{margin:18px 0 20px;padding:16px 18px;border-left:2px solid #73ae93;background:#0c1711;border-radius:0 8px 8px 0;overflow-wrap:anywhere}.article-title{display:block;font-size:16px;line-height:1.5;color:#c1e9d8;text-decoration:none}.article-title:hover{text-decoration:underline}.study-citation p{font-size:14px;line-height:1.6;margin:7px 0 0}.citation-journal{color:#e0eae3}.citation-date,.citation-authors{color:#b4c8bc}.citation-authors span{color:#dae7df}@media(max-width:600px){.study-citation{padding:14px}}