/* Recreated from the owner's public joelho reference, index-BAYatxgk.css.
   Scoped to the preview; Poppins and existing checkout styles remain unchanged. */
#protocol-explorer{color:#d6e8f3;font-family:Poppins,system-ui,sans-serif;text-align:left}
#protocol-explorer *{box-sizing:border-box}
#protocol-explorer button{font:inherit;cursor:pointer;color:inherit;background:transparent;border:0;margin:0;letter-spacing:normal}
#protocol-explorer figure,#protocol-explorer dl,#protocol-explorer dd,#protocol-explorer ul{margin:0;padding:0}
#protocol-explorer button:focus-visible,#protocol-explorer [tabindex]:focus-visible,#protocol-explorer summary:focus-visible{outline:3px solid #7dd3fc;outline-offset:3px}
#protocol-explorer .knee-explorer-intro{text-align:center;margin-bottom:32px}
#protocol-explorer .knee-eyebrow{display:flex;align-items:center;justify-content:center;gap:8px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:#9bd8f5}
#protocol-explorer .knee-explorer-intro h3{color:#fff;font-size:clamp(25px,3vw,36px);font-weight:700;line-height:1.2;margin:14px 0;letter-spacing:normal}
#protocol-explorer .knee-explorer-intro h3 span{color:#7dd3fc}
#protocol-explorer .knee-explorer-intro>p:last-child{color:#c6d6e2;font-size:16px;max-width:550px;margin:auto;line-height:1.5}
#protocol-explorer .knee-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:22px}
#protocol-explorer .knee-groups button{display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:left;min-height:64px;border:1px solid #536c80;border-radius:12px;padding:12px 14px;font-size:14px;font-weight:600;line-height:1.35;background:#15283a;color:#d6e8f3;transition:background .18s}
#protocol-explorer .knee-groups button b{font-size:12px;border-radius:100%;width:24px;height:24px;flex-shrink:0;display:grid;place-items:center;background:#ffffff12}
#protocol-explorer .knee-groups button[aria-pressed=true]{color:#0a3047;background:#a4dcf7;border-color:#a4dcf7}
#protocol-explorer .knee-groups button[aria-pressed=true] b{background:#0a30471c}
#protocol-explorer .knee-groups button:hover{border-color:#a4dcf7}
#protocol-explorer .knee-workspace{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,.85fr) minmax(0,1.38fr);align-items:stretch;gap:0;border:1px solid #456175;border-radius:20px;background:#0a2134a6;overflow:hidden}
#protocol-explorer .knee-conditions{min-width:0;padding:23px 0 20px 16px}
#protocol-explorer .knee-list-label{color:#b3ccdc;font-size:12px;line-height:1.6;margin:0 12px 14px;text-transform:uppercase;letter-spacing:.045em;min-height:38px}
#protocol-explorer .knee-protocols{display:grid;gap:5px}
#protocol-explorer .knee-protocols button{display:flex;align-items:center;gap:9px;width:100%;min-height:60px;padding:10px 12px;border:1px solid transparent;border-radius:10px;text-align:left;font-size:14px;line-height:1.35;transition:background .18s,color .18s}
#protocol-explorer .knee-protocols button>span{font-size:12px;color:#8eafc5;font-variant-numeric:tabular-nums}
#protocol-explorer .knee-protocols button>b{font-weight:500;flex:1}
#protocol-explorer .knee-protocols button>svg{opacity:0;flex-shrink:0;width:15px;height:15px}
#protocol-explorer .knee-protocols button:hover{background:#ffffff0b}
#protocol-explorer .knee-protocols button[aria-selected=true]{background:#254d66;color:#fff;border-color:#508bad}
#protocol-explorer .knee-protocols button[aria-selected=true]>span{color:#a4dcf7}
#protocol-explorer .knee-protocols button[aria-selected=true]>svg{opacity:1}
#protocol-explorer .knee-anatomy{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:25px 5px;min-width:0}
#protocol-explorer .knee-anatomy-label{display:flex;align-items:center;gap:7px;color:#c4d7e4;font-size:10px;letter-spacing:.1em}
#protocol-explorer .knee-dot{width:5px;height:5px;border-radius:100%;background:#98ddff}
#protocol-explorer .knee-diagram{display:block;width:100%;height:auto;max-height:430px;margin:10px 0;overflow:visible;fill:none;stroke:none;stroke-width:0;stroke-linecap:butt;stroke-linejoin:miter}
#protocol-explorer .knee-part,#protocol-explorer .knee-front{transition:fill .3s,stroke .3s,filter .3s,opacity .3s}
#protocol-explorer .knee-deep-focus .knee-front{opacity:.18}
#protocol-explorer .knee-part.is-active{fill:#48bcf5;stroke:#c4f0ff;filter:drop-shadow(0 0 5px #56c6ff9c)}
#protocol-explorer .knee-part[fill=none].is-active{fill:none;stroke:#73d4ff}
#protocol-explorer .knee-anatomy figcaption{text-align:center;padding:0 8px}
#protocol-explorer .knee-anatomy figcaption strong{display:block;font-size:14px;color:#a4dcf7;font-weight:600;min-height:38px;line-height:1.4}
#protocol-explorer .knee-anatomy figcaption span{color:#a5bdcd;font-size:11px}
#protocol-explorer .knee-detail{background:#f4f8fb;color:#15364d;display:flex;flex-direction:column;min-width:0;padding:28px 24px 16px}
#protocol-explorer .knee-detail:focus-visible,#protocol-explorer .knee-chapter-content:focus-visible{outline-offset:-4px}
#protocol-explorer .knee-detail-heading{animation:knee-content-in .18s ease-out;min-height:151px}
#protocol-explorer .knee-detail-heading .knee-eyebrow{justify-content:flex-start;color:#2b698e;font-size:11px}
#protocol-explorer .knee-eyebrow>span{color:#627d8d}
#protocol-explorer .knee-detail h4{font-size:23px;font-weight:700;line-height:1.25;margin:12px 0;letter-spacing:-.025em;color:#15364d}
#protocol-explorer .knee-detail-heading>p:last-child{font-size:14px;color:#526b7b;margin-bottom:18px;line-height:1.5}
#protocol-explorer .knee-chapters{display:flex;gap:2px;border-bottom:1px solid #b7cddd}
#protocol-explorer .knee-chapters button{padding:11px 7px;flex:1;font-size:14px;color:#526b7b;font-weight:600;border-bottom:2px solid transparent}
#protocol-explorer .knee-chapters button[aria-selected=true]{border-color:#256c99;color:#155781}
#protocol-explorer .knee-chapter-content{flex:1;padding:22px 0 20px;min-height:282px}
#protocol-explorer .knee-chapter-content dl{display:grid;gap:20px;animation:knee-content-in .18s ease-out}
#protocol-explorer .knee-chapter-content dt{display:flex;align-items:center;gap:6px;font-weight:700;font-size:14px;margin-bottom:6px}
#protocol-explorer .knee-check{color:#21618a;flex-shrink:0;font-size:15px}
#protocol-explorer .knee-chapter-content dd{color:#3e5c70;font-size:15px;line-height:1.65;margin:0}
#protocol-explorer .knee-pagination{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #d2e0e9;padding-top:14px;gap:8px}
#protocol-explorer .knee-pagination button{display:grid;place-items:center;min-width:44px;min-height:44px;border-radius:100%;border:1px solid #b8cddd;background:#fff;color:#255b7b}
#protocol-explorer .knee-pagination button svg{width:17px;height:17px}
#protocol-explorer .knee-pagination button:hover{background:#deeff9}
#protocol-explorer .knee-pagination span{font-size:12px;color:#526b7b;text-align:center}
#protocol-explorer .knee-references{margin-top:16px;font-size:12px;line-height:1.7;color:#526b7b}
#protocol-explorer .knee-references summary{cursor:pointer;font-weight:600;padding:10px 0}
#protocol-explorer .knee-references ul{list-style:none}
#protocol-explorer .knee-references li{margin-top:8px;overflow-wrap:anywhere}
#protocol-explorer .knee-explorer-footnote{margin-top:18px;font-size:13px;color:#b4ccdc;text-align:center}
#protocol-explorer .knee-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}
@keyframes knee-content-in{from{opacity:.3;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:900px){#protocol-explorer .knee-workspace{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}#protocol-explorer .knee-detail{grid-column:1/-1}#protocol-explorer .knee-detail-heading{min-height:0}#protocol-explorer .knee-chapter-content{min-height:245px}}
@media(max-width:600px){#protocol-explorer .knee-groups{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}#protocol-explorer .knee-groups button{min-height:70px;padding:11px}#protocol-explorer .knee-workspace{display:flex;flex-direction:column}#protocol-explorer .knee-anatomy{order:0;padding:22px 18px 16px}#protocol-explorer .knee-anatomy svg{height:260px;margin:0}#protocol-explorer .knee-anatomy figcaption strong{min-height:0}#protocol-explorer .knee-anatomy figcaption span{font-size:11px}#protocol-explorer .knee-conditions{order:1;padding:12px 15px 22px}#protocol-explorer .knee-list-label{min-height:0;margin:0 0 12px}#protocol-explorer .knee-protocols{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}#protocol-explorer .knee-protocols button{min-height:76px;font-size:13px;padding:10px 8px;gap:7px;background:#ffffff04;border-color:#536c804d}#protocol-explorer .knee-protocols button>svg{display:none}#protocol-explorer .knee-protocols button>span{font-size:11px}#protocol-explorer .knee-detail{order:2;padding:25px 21px 16px}#protocol-explorer .knee-detail h4{font-size:24px}}
@media(prefers-reduced-motion:reduce){#protocol-explorer .knee-detail-heading,#protocol-explorer .knee-chapter-content dl{animation:none}#protocol-explorer .knee-part,#protocol-explorer .knee-front,#protocol-explorer .knee-protocols button,#protocol-explorer .knee-groups button{transition:none}}