.knee-case main{font-family:var(--sans)}
.knee-case .knee-hero{padding-top:28px;padding-bottom:36px}
.knee-hero-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(290px,1fr);gap:64px;align-items:start}
.knee-case main .knee-intro{font-size:21px;line-height:1.65;color:var(--muted)}
.knee-booking{padding:28px;border:1px solid var(--line);border-radius:8px;background:var(--mist)}
.knee-case main .knee-booking h2{font-size:25px;letter-spacing:-.02em;margin-bottom:16px}
.knee-price{display:flex;gap:18px;align-items:baseline;flex-wrap:wrap;margin-bottom:20px}
.knee-price strong{font-size:30px;font-weight:500}.knee-price span{font-size:15px;color:var(--muted)}
.knee-booking ul{padding-left:20px;font-size:16px;line-height:1.8;margin-bottom:24px}
.knee-booking .button{font-size:15px;width:100%;justify-content:center}
.knee-case main .knee-small{font-size:14px;line-height:1.65;color:var(--muted)}
.knee-booking .knee-small{margin:18px 0 0}
.knee-symptoms{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:26px 0 20px}
.knee-symptoms a{display:flex;flex-direction:column;padding:22px;border:1px solid var(--line);border-radius:8px;text-decoration:none;gap:8px;color:var(--ink);background:#fff}
.knee-symptoms a:hover{border-color:var(--teal);background:var(--mist)}
.knee-symptoms strong{font-size:18px;font-weight:500;line-height:1.35}.knee-symptoms span{font-size:15px;line-height:1.6;color:var(--muted)}
.knee-viewer{max-width:960px;margin:auto}.knee-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:20px}
.knee-tab{display:flex;align-items:center;gap:12px;min-width:0;padding:12px;border:1px solid var(--line);border-radius:8px;background:#fff;text-align:left;color:var(--ink);cursor:pointer;font-family:var(--sans)}
.knee-tab img{width:72px;height:48px;object-fit:contain;background:#0b1013;border-radius:4px;flex:0 0 72px;margin:0}
.knee-tab strong{display:block;font-size:16px;line-height:1.3;font-weight:500}.knee-tab small{display:block;font-size:13px;line-height:1.5;color:var(--muted);margin-top:4px}
.knee-tab[aria-selected=true]{border-color:var(--teal);box-shadow:inset 0 0 0 1px var(--teal);background:var(--mist)}
.knee-controls{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:0 0 18px}
.knee-toggle{display:inline-flex;align-items:center;gap:9px;min-height:46px;padding:8px 12px;border:1px solid var(--line);border-radius:6px;background:#fff;font:500 15px/1.4 var(--sans);color:var(--ink);cursor:pointer}
.knee-switch{display:block;position:relative;width:32px;height:20px;border-radius:20px;background:#c5cccb;transition:background .2s}
.knee-switch:after{content:'';position:absolute;width:14px;height:14px;left:3px;top:3px;border-radius:50%;background:#fff;transition:transform .2s}
.knee-toggle[aria-checked=true] .knee-switch{background:var(--teal)}.knee-toggle[aria-checked=true] .knee-switch:after{transform:translateX(12px)}
.knee-state{margin-left:auto;font:400 13px/1.5 var(--sans);color:var(--muted)}
.knee-panel[hidden]{display:none}.knee-panel figure{margin:0}.knee-picture{position:relative;overflow:hidden;isolation:isolate;border-radius:8px;background:#080d10}
.knee-picture>.knee-original,.knee-anatomy,.knee-anatomy>img,.knee-labels,.knee-findings{position:absolute;inset:0;width:100%;height:100%;margin:0;max-width:none;object-fit:fill}
.knee-anatomy{opacity:0;transition:opacity .35s ease;pointer-events:none;background:#000}
.knee-picture[data-anatomy=true] .knee-anatomy{opacity:1}
.knee-findings{opacity:0;pointer-events:none;transition:opacity .2s;z-index:3}
.knee-picture[data-findings=true] .knee-findings{opacity:1}
.knee-findings path{fill:rgba(255,212,89,.13);stroke:#ffd459;stroke-width:4;stroke-linejoin:round;stroke-linecap:round}
.knee-findings .pointer{fill:none;stroke-width:3}
.knee-findings text{fill:#fff;font:600 26px Arial,sans-serif;paint-order:stroke;stroke:#0d1d23;stroke-width:8;stroke-linejoin:round}
.knee-labels text{fill:#fff;font:600 23px Arial,sans-serif;paint-order:stroke;stroke:#1b272b;stroke-width:6;stroke-linejoin:round}
.knee-labels path{stroke:#fff;stroke-width:3;fill:none}
.knee-panel figcaption{font-size:15px;line-height:1.65;color:var(--muted);padding:16px 0;border-bottom:1px solid var(--line)}
.knee-panel-copy{padding-top:24px}.knee-panel-copy>p{max-width:70ch}.knee-panel-copy details{border-top:1px solid var(--line);margin-top:18px;max-width:80ch}
.knee-panel-copy details p{padding-bottom:16px}.knee-film video{display:block;width:100%;height:auto;background:#101820;border-radius:6px;margin:12px 0 24px}
.knee-example-note{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);max-width:90ch!important}
.knee-split{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(270px,1fr);gap:64px;align-items:start}.knee-tint{background:var(--mist)}
.knee-case main .knee-tint .orientation{background:var(--paper)}
.knee-treatment{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(240px,1fr);gap:42px;margin:32px 0 22px;padding:30px;border:1px solid var(--line);border-radius:8px;background:var(--mist)}
.knee-treatment aside{border-left:1px solid var(--line);padding-left:32px}.knee-case main .knee-treatment aside p{font-size:16px}
.knee-steps{padding-left:24px}.knee-steps li{margin:24px 0;padding-left:8px}.knee-steps strong{font-weight:500;font-size:20px}.knee-steps p{margin-top:8px}
.knee-methods{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:28px 0}.knee-case main .knee-methods p{font-size:16px}
.knee-faq{max-width:850px}.knee-faq details{border-bottom:1px solid var(--line)}.knee-faq details p{padding-bottom:22px}
.knee-case main .sources p{max-width:100ch}
@media(max-width:1000px){.knee-hero-grid,.knee-split{gap:32px}.knee-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.knee-symptoms{grid-template-columns:repeat(2,minmax(0,1fr))}.knee-tab img{width:60px;flex-basis:60px}.knee-treatment{gap:28px;padding:24px}}
@media(max-width:760px){.knee-hero-grid,.knee-split,.knee-treatment,.knee-methods{grid-template-columns:1fr;gap:26px}.knee-case main .knee-intro{font-size:18px}.knee-booking{padding:24px}.knee-symptoms{gap:8px}.knee-symptoms a{padding:16px}.knee-symptoms strong{font-size:16px}.knee-symptoms span{font-size:14px}.knee-tab{padding:10px;gap:8px}.knee-tab img{width:44px;height:38px;flex-basis:44px}.knee-tab strong{font-size:14px}.knee-tab small{display:none}.knee-state{width:100%;margin-left:0}.knee-controls{gap:8px}.knee-toggle{padding:8px 10px}.knee-treatment aside{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:24px}.knee-panel figcaption{font-size:14px}.knee-case main .knee-treatment aside p,.knee-case main .knee-methods p{font-size:16px}.knee-labels text{font-size:26px}.knee-findings text{font-size:28px}}
@media(prefers-reduced-motion:reduce){.knee-anatomy,.knee-findings,.knee-switch,.knee-switch:after{transition:none}}

.knee-findings .cleft{fill:none;stroke:#ffdf94;stroke-width:2.5;stroke-opacity:.85}
.knee-findings .cleft-glow{fill:none;stroke:#ffd18a;stroke-width:9;stroke-opacity:.38}
.knee-panel[data-key=ledvatska] .knee-anatomy>img{clip-path:inset(6.93% 13.28% 0 13.20%)}
.knee-panel[data-key=bakercysta] .knee-anatomy>img{clip-path:inset(6.93% 13.28% 14.55% 13.20%)}
.knee-panel[data-key=menisk] .knee-anatomy>img{clip-path:inset(7.04% 7.18% 0 7.11%)}
.knee-panel[data-key=brosk] .knee-anatomy>img,.knee-panel[data-key=osteofyter] .knee-anatomy>img{clip-path:inset(3.52% 8.52% 0 8.44%)}
.knee-panel[data-key=brosk-jamforelse] .knee-anatomy>img{clip-path:inset(6.93% 0 0)}

/* v3 finding refinements */
.knee-findings .cartilage-band{fill:rgba(255,212,89,.07);stroke:#ffd459;stroke-width:2.4;stroke-linejoin:round}
.knee-findings .fluid-boundary{fill:rgba(255,212,89,.08);stroke-width:2.5}
.knee-findings .fluid-neck{fill:none;stroke-width:2;stroke-opacity:.65;stroke-dasharray:6 7}
.knee-labels circle{fill:#fff;stroke:none}

/* v4 osteophyte emphasis */
.knee-findings .osteophyte-zone{fill:rgba(255,191,89,.13);stroke:#ffca6c;stroke-width:2.7}
.knee-findings .osteophyte-surface{fill:none;stroke:#ffd99a;stroke-width:4;stroke-opacity:.95}

/* view-specific finding registration */
.knee-finding-ultrasound{opacity:1;transition:opacity .35s ease}
.knee-finding-anatomy{opacity:0;transition:opacity .35s ease}
.knee-picture[data-anatomy=true] .knee-finding-ultrasound{opacity:0}
.knee-picture[data-anatomy=true] .knee-finding-anatomy{opacity:1}
@media(prefers-reduced-motion:reduce){.knee-finding-ultrasound,.knee-finding-anatomy{transition:none}}

/* Patient reading cues and a larger view, using the existing clinic palette. */
.knee-cue{padding:16px 20px;background:var(--mist);border-left:3px solid var(--teal);border-radius:0 6px 6px 0;font-size:17px!important;line-height:1.65!important}
.knee-cue strong{font-weight:600;color:var(--ink)}
.knee-pair-labels{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:12px 16px;background:#19363c;color:#fff;border-radius:8px 8px 0 0;font-size:14px;text-align:center}
.knee-pair-labels+.knee-picture{border-radius:0 0 8px 8px}
.knee-toggle:disabled{cursor:wait;opacity:.6}
.knee-enlarge{background:transparent;border:1px solid var(--line);border-radius:6px;padding:12px;font:500 14px/1.4 var(--sans);color:var(--ink);cursor:pointer}
.knee-enlarge:hover{background:var(--mist);border-color:var(--teal)}
.knee-controls button:focus-visible,.knee-tab:focus-visible,.knee-zoom-head button:focus-visible{outline:3px solid var(--teal);outline-offset:3px}
.knee-source-list{padding-left:20px;font-size:14px;line-height:1.7}.knee-source-list li{margin:8px 0}
.knee-findings .focal-glow{fill:none;stroke:#ffd995;stroke-width:13;stroke-opacity:.3}
.knee-findings .focal-edge{fill:none;stroke:#ffda9a;stroke-width:3.5}
.knee-findings .reference-edge,.knee-findings .orientation-band{fill:rgba(120,215,237,.04);stroke:#a4ddea;stroke-width:2.5}
.knee-findings .reference-pointer{fill:none;stroke:#a4ddea;stroke-width:2.5}
.knee-findings .reference-label{fill:#b8e4ee}
.knee-findings .osteophyte-zone{fill:rgba(255,191,89,.07);stroke:#ffd18a;stroke-width:2.4}
.knee-findings .osteophyte-surface{stroke:#ffe1a4;stroke-width:4;fill:none}
.knee-picture[data-findings=true] .knee-cartilage-label{opacity:0}
.knee-case .knee-zoom-dialog{width:min(1420px,calc(100% - 24px));max-width:none;max-height:94dvh;padding:18px;border:1px solid var(--line);border-radius:8px;color:var(--ink);background:var(--paper);overflow:hidden}
.knee-zoom-dialog::backdrop{background:rgba(8,18,20,.76)}
.knee-zoom-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px}.knee-zoom-head strong{font:500 18px/1.4 var(--sans)}
.knee-zoom-head button{font:500 15px/1.4 var(--sans);background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:5px;padding:9px 14px;cursor:pointer}
.knee-zoom-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}.knee-zoom-controls p{margin:0;font:400 13px/1.5 var(--sans);color:var(--muted)}
.knee-zoom-body{overflow:auto;overscroll-behavior:contain;max-height:calc(94dvh - 155px);background:#080d10;border-radius:6px}
.knee-zoom-body .knee-picture{width:1280px;max-width:none;border-radius:0;aspect-ratio:1280/880}
@media(max-width:760px){.knee-pair-labels{font-size:12px;gap:6px;padding:10px 6px}.knee-cue{font-size:16px!important;padding:14px 16px}.knee-zoom-head strong{font-size:16px}.knee-case .knee-zoom-dialog{padding:12px}.knee-zoom-body{max-height:calc(94dvh - 165px)}}

/* Focal markers retain contrast over both grayscale and painted tissue. */
.knee-findings .cleft-shadow,.knee-findings .pointer-shadow{fill:none;stroke:#0c1d23;stroke-width:8;stroke-opacity:.8}
.knee-findings .cleft{fill:none;stroke:#ffe18a;stroke-width:3.8;stroke-opacity:1}
.knee-findings .cleft-glow{fill:none;stroke:#ffd18a;stroke-width:12;stroke-opacity:.22}
.knee-panel[data-key=menisk] .knee-findings .pointer{stroke:#ffe18a;stroke-width:3.3;fill:none}
.knee-findings .affected-cartilage{fill:rgba(255,212,89,.055);stroke:#ffd980;stroke-width:2.6}
.knee-findings .affected-edge-shadow{fill:none;stroke:#0c1d23;stroke-width:7;stroke-opacity:.7}
.knee-findings .affected-edge{fill:none;stroke:#ffe2a0;stroke-width:3.4}