@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-cyrillic-ext-wght-normal-DjL33-gN.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-cyrillic-wght-normal-BEAKL7Jp.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-vietnamese-wght-normal-6IgcOCM7.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-latin-ext-wght-normal-DC-KSUi6.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-latin-wght-normal-BgDaEnEv.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-mono-cyrillic-ext-wght-normal-X_5orZeX.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-mono-cyrillic-wght-normal-DiZS0aHC.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-mono-symbols2-wght-normal-CO5SzqOn.woff2)format("woff2-variations");unicode-range:U+2000-2001,U+2004-2008,U+200A,U+23B8-23BD,U+2500-259F}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-mono-vietnamese-wght-normal-DadHysG0.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-mono-latin-ext-wght-normal-Bwz-egvJ.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist Mono Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-mono-latin-wght-normal-XN7g48iV.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--pa-bg:#0a0b0d;--pa-surface:#111317;--pa-surface-raised:#191c21;--pa-hairline:#24272d;--pa-monitor:#050607;--pa-text:#f1efe9;--pa-text-secondary:#b0b3ba;--pa-text-tertiary:#8a8f98;--pa-accent:#f5a524;--pa-accent-rgb:245, 165, 36;--pa-accent-fill:#f5a524;--pa-on-accent:#1b1204;--pa-exposure:#ffd84d;--pa-amber:#e8bc78;--pa-note-fill:#2a2311;--pa-note-stroke:#8a6b1f;--pa-note-text:#f3d48c;--pa-safety-fill:#2c1517;--pa-safety-stroke:#8e3a3e;--pa-safety-text:#f6b3b5;--pa-correct:#3ccb8b;--pa-incorrect:#ff6b6f;--pa-font:"Geist Variable", -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", Roboto, sans-serif;--pa-font-serif:ui-serif, "New York", Georgia, serif;--pa-font-mono:"Geist Mono Variable", ui-monospace, "SF Mono", Menlo, monospace;--pa-size-micro:10px;--pa-size-caption2:11px;--pa-size-caption:12px;--pa-size-footnote:13px;--pa-size-subheadline:15px;--pa-size-callout:16px;--pa-size-body:17px;--pa-size-title3:20px;--pa-size-title2:22px;--pa-size-title:28px;--pa-size-large-title:34px;--site-bg:#0a0b0d;--site-surface:#111317;--site-raised:#191c21;--site-line:#24272d;--site-line-strong:#363a42;--site-ink:#f1efe9;--site-ink-2:#b9bcc3;--site-muted:#8a8f98;--site-brand:#f5a524;--site-brand-rgb:245, 165, 36;--site-brand-hover:#ffb84d;--site-brand-tint:#2a2112;--site-on-brand:#1b1204;--site-note-fill:#16181c;--site-note-stroke:#363a42;--site-note-text:#d9dbe0;--site-safety-fill:#2c1517;--site-safety-stroke:#8e3a3e;--site-safety-text:#f6b3b5;--site-correct:#3ccb8b;--site-correct-tint:#0f261c;--site-on-correct:#04130c;--site-incorrect:#ff6b6f;--site-incorrect-tint:#2e1416;--pa-radius-xs:4px;--pa-radius-sm:10px;--pa-radius-md:12px;--pa-radius-lg:16px;--pa-radius-xl:20px}.site{--site-max:1328px;--site-gutter:56px;--site-radius:12px;--site-radius-plate:18px;background:var(--site-bg);min-height:100dvh;color:var(--site-ink);font-family:var(--pa-font);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;-webkit-font-smoothing:antialiased;flex-direction:column;font-size:16px;line-height:1.55;display:flex}.site ::selection{background:rgba(var(--site-brand-rgb), .35);color:var(--site-ink)}.site a{color:inherit;text-decoration:none}.site :focus-visible{outline:2px solid var(--site-brand);outline-offset:3px;border-radius:8px}.site img{display:block}.site main{flex:1}.wrap{width:100%;max-width:var(--site-max);padding-left:var(--site-gutter);padding-right:var(--site-gutter);box-sizing:border-box;margin:0 auto}.site-header{z-index:20;background:var(--site-bg);border-bottom:1px solid var(--site-line);position:sticky;top:0}.site-header.overlay{background:0 0;border-bottom:0;position:absolute;left:0;right:0}.site-header-inner{max-width:var(--site-max);padding:0 var(--site-gutter);box-sizing:border-box;align-items:center;gap:40px;height:72px;margin:0 auto;display:flex}.site-brand{letter-spacing:-.01em;align-items:center;gap:10px;min-height:44px;font-size:17px;font-weight:600;display:flex}.site-brand img{border-radius:7px;width:28px;height:28px}.site-nav{align-items:center;gap:4px;display:flex}.site-nav a{min-height:44px;color:var(--site-ink-2);align-items:center;padding:0 12px;font-size:15px;font-weight:500;transition:color .15s;display:inline-flex}.site-nav a:hover{color:var(--site-ink)}.site-nav a[aria-current=page]{color:var(--site-ink);box-shadow:inset 0 -2px 0 var(--site-brand)}.site-header-cta{margin-left:auto}.site-button{white-space:nowrap;min-height:52px;color:var(--site-ink);font:600 16px/1 var(--pa-font);cursor:pointer;background:0 0;border:1px solid #f1efe93d;border-radius:999px;justify-content:center;align-items:center;gap:9px;padding:0 26px;transition:background-color .15s,border-color .15s,transform .1s;display:inline-flex}.site-button:hover{border-color:#f1efe980}.site-button:active,.pill-tabs button:active{transform:translateY(1px)}.site-button.primary{background:var(--site-brand);border-color:var(--site-brand);color:var(--site-on-brand)}.site-button.primary:hover{background:var(--site-brand-hover);border-color:var(--site-brand-hover)}.site-button.light{background:var(--site-ink);border-color:var(--site-ink);color:var(--site-bg)}.site-button.light:hover{background:#fff;border-color:#fff}.site-button.small{min-height:44px;padding:0 18px;font-size:14px}.site a.site-link{min-height:44px;color:var(--site-brand);white-space:nowrap;align-items:center;gap:6px;font-weight:500;display:inline-flex}.site a.site-link:hover{color:var(--site-brand-hover)}.site a.site-inline-link{color:var(--site-brand);text-underline-offset:3px;text-decoration:underline;text-decoration-thickness:1px;-webkit-text-decoration-color:rgba(var(--site-brand-rgb), .4);text-decoration-color:rgba(var(--site-brand-rgb), .4);font-weight:500}.site a.site-inline-link:hover{text-decoration-color:currentColor}.site-main{width:100%;padding:0 0 120px}.home-hero{background:#000;height:clamp(680px,100dvh,940px);position:relative;overflow:hidden}.home-hero-plate{width:min(1000px,70vw);position:absolute;top:-30px;right:-90px}.home-hero-plate .learn-figure-frame{background:#000;border-radius:0;max-width:none}.home-hero-plate .learn-carm{display:none}.home-hero-plate .learn-label{font-size:15px}.home-hero-shade{pointer-events:none;background:linear-gradient(90deg, var(--site-bg) 0%, var(--site-bg) 30%, #0a0b0dc7 45%, #0a0b0d00 62%), linear-gradient(0deg, var(--site-bg) 0%, #0a0b0d00 24%);position:absolute;inset:0}.home-hero-copy{left:max(var(--site-gutter), calc(50% - var(--site-max) / 2 + var(--site-gutter)));width:min(620px,46vw);position:absolute;bottom:120px}.home-hero-copy h1{letter-spacing:-.045em;text-wrap:balance;margin:0 0 26px;font-size:clamp(52px,5.6vw,82px);font-weight:600;line-height:.97}.home-lede{color:var(--site-ink-2);max-width:42ch;margin:0 0 36px;font-size:20px;line-height:1.5}.home-actions{flex-wrap:wrap;gap:12px;display:flex}.home-readout{right:max(var(--site-gutter), calc(50% - var(--site-max) / 2 + var(--site-gutter)));pointer-events:none;font-family:var(--pa-font-mono);color:var(--site-muted);text-shadow:0 0 6px #000;flex-direction:column;align-items:flex-end;gap:3px;margin:0;font-size:13px;display:flex;position:absolute;bottom:56px}.home-readout b{color:var(--site-ink);font-weight:500}.home-section{padding-top:128px}.home-head{justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:40px;display:flex}.home-head.stack{max-width:760px;display:block}.home-head h2,.home-sim-copy h2,.site-page-head h1{letter-spacing:-.035em;text-wrap:balance;max-width:16ch;margin:0;font-size:clamp(36px,3.4vw,50px);font-weight:600;line-height:1.02}.home-head.stack h2{max-width:none;margin-bottom:12px}.home-head p,.site-page-head p{color:var(--site-ink-2);margin:0;font-size:18px;line-height:1.55}.home-note{color:var(--site-muted);margin:28px 0 0;font-size:14px}.home-placeholder{border-radius:var(--site-radius-plate);background:var(--site-surface);height:320px}.home-placeholder.tall{height:520px}.pill-tabs{background:var(--site-surface);border:1px solid var(--site-line);border-radius:999px;flex:none;gap:4px;padding:5px;display:flex}.pill-tabs button{min-height:40px;color:var(--site-ink-2);font:500 14px/1 var(--pa-font);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:0 18px;transition:background-color .15s,color .15s}.pill-tabs button:hover{color:var(--site-ink)}.pill-tabs button[aria-selected=true]{background:var(--site-ink);color:var(--site-bg)}.plates{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid}.plates a{display:block}.plate-image{aspect-ratio:3/4;border-radius:var(--site-radius-plate);background:#000;display:block;position:relative;overflow:hidden}.plate-image img{object-fit:cover;width:100%;height:100%;position:absolute;inset:0;transform:scale(1.25)}.plate-image img.plate-art{transition:opacity .25s}.plates a:hover .plate-art,.plates a:focus-visible .plate-art{opacity:0}.plate-image img.plate-crop{transform:none}.plates strong{letter-spacing:-.01em;margin-top:16px;font-size:17px;font-weight:600;line-height:1.3;display:block}.plates small{color:var(--site-muted);margin-top:3px;font-size:14px;line-height:1.4;display:block}.plates a:hover strong{color:var(--site-brand)}.home-sim{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:center;gap:72px;display:grid}.home-sim-copy p{color:var(--site-ink-2);max-width:40ch;margin:22px 0 34px;font-size:19px;line-height:1.55}.home-mosaic{grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin:0;padding:0;list-style:none;display:grid}.home-mosaic a{aspect-ratio:1;border-radius:var(--site-radius);outline-offset:2px;background:#000;display:block;position:relative;overflow:hidden}.home-mosaic img{object-fit:cover;width:100%;height:100%;transition:transform .25s}.home-mosaic a:hover img{transform:scale(1.06)}.home-mosaic span{font-family:var(--pa-font-mono);color:#fff;text-shadow:0 0 4px #000,0 0 2px #000;font-size:12px;position:absolute;bottom:6px;left:8px}.mri-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid}.mri-row a{display:block}.mri-row-image{aspect-ratio:1;border-radius:var(--site-radius-plate);background:#000;display:block;overflow:hidden}.mri-row-image img{object-fit:cover;width:100%;height:100%}.mri-row strong{margin-top:14px;font-size:17px;font-weight:600;line-height:1.3;display:block}.mri-row small{color:var(--site-muted);margin-top:3px;font-size:14px;line-height:1.45;display:block}.mri-row a:hover strong{color:var(--site-brand)}@media (prefers-reduced-motion:reduce){.plate-image img.plate-art,.home-mosaic img{transition:none}.home-mosaic a:hover img{transform:none}}.pindex{grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start;gap:56px;display:grid}.pindex-group+.pindex-group{border-top:1px solid var(--site-line);margin-top:20px;padding-top:20px}.pindex-group h3{color:var(--site-muted);margin:0 0 6px;padding:0 14px;font-size:14px;font-weight:500}.pindex-group ul{margin:0;padding:0;list-style:none}.pindex-list a{border-radius:var(--site-radius);align-items:center;gap:14px;min-height:64px;padding:10px 14px;transition:background-color .15s;display:flex}.pindex-list a:hover,.pindex-list a.active{background:var(--site-surface)}.pindex-list a.active strong{color:var(--site-brand)}.pindex-thumb{object-fit:cover;background:#000;border-radius:8px;flex:none;width:72px;height:54px;display:none!important}.pindex-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.pindex-text strong{font-size:17px;font-weight:600;line-height:1.3;transition:color .15s}.pindex-text small{color:var(--site-muted);font-size:14px;line-height:1.4}.pindex-chev{color:var(--site-brand);opacity:0;flex:none;transition:opacity .15s}.pindex-list a.active .pindex-chev,.pindex-list a:hover .pindex-chev{opacity:1}.pindex-viewer{justify-self:end;width:min(100%,100vh - 180px);min-width:420px;display:block;position:sticky;top:96px}.pindex-frame{aspect-ratio:1;border-radius:var(--site-radius-plate);background:#000;display:block;overflow:hidden}.pindex-figure{width:100%;height:100%;display:block}.pindex-figure.learn-figure-frame{cursor:pointer;touch-action:auto;border-radius:0}.pindex-figure.crop{place-items:center;display:grid}.pindex-figure.crop img{width:100%;height:auto}.pindex-caption{color:var(--site-muted);flex-direction:column;gap:2px;margin-top:12px;font-size:14px;display:flex}.pindex-caption strong{color:var(--site-ink);font-size:15px;font-weight:600}.rows{margin:0;padding:0;list-style:none}.rows li+li{border-top:1px solid var(--site-line)}.rows a{border-radius:var(--site-radius);align-items:center;gap:18px;min-height:84px;padding:12px;transition:background-color .15s;display:flex}.rows a:hover{background:var(--site-surface)}.rows a:hover strong{color:var(--site-brand)}.rows-image{border-radius:var(--site-radius);background:#000;flex:none;place-items:center;width:64px;height:64px;display:grid;position:relative;overflow:hidden}.rows-image img{object-fit:cover;width:100%;height:100%}.rows-image.empty{background:var(--site-brand-tint);color:var(--site-brand)}.rows-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.rows-text strong{font-size:17px;font-weight:600;line-height:1.35;transition:color .15s}.rows-text small{color:var(--site-muted);font-size:15px;line-height:1.45}.rows-meta{color:var(--site-muted);white-space:nowrap;font-variant-numeric:tabular-nums;flex:none;font-size:14px}.rows-meta>span{align-items:center;gap:5px;display:inline-flex}.rows-meta .rows-done{color:var(--site-correct);font-weight:500}.rows-meta .rows-progress{color:var(--site-brand);font-weight:500}.rows-chev{color:var(--site-muted);flex:none}.site-page-head{max-width:760px;padding:64px 0 40px}.site-page-head h1{margin-bottom:14px;font-size:clamp(44px,4.4vw,64px)}.site-feature{background:var(--site-surface);border:1px solid var(--site-line);border-radius:var(--site-radius-plate);grid-template-columns:minmax(0,5fr) minmax(0,7fr);display:grid;overflow:hidden}.site-feature-image{background:#000;place-items:center;min-height:340px;display:grid}.site-feature-image img{object-fit:contain;width:100%;height:100%;max-height:440px}.site-feature-copy{flex-direction:column;align-items:flex-start;gap:12px;padding:44px 48px;display:flex}.site-feature-copy h2{letter-spacing:-.03em;margin:0;font-size:34px;font-weight:600;line-height:1.1}.site-feature-copy p{color:var(--site-ink-2);max-width:58ch;margin:0 0 8px;font-size:17px}.site-feature-copy .site-meta{font-family:var(--pa-font-mono);color:var(--site-muted);margin:0;font-size:13px}.site-feature-copy .site-status{color:var(--site-brand);margin:0;font-size:15px;font-weight:500}.site-feature-copy .site-fineprint{color:var(--site-muted);margin:4px 0 0;font-size:13px}.case-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 32px;margin:0;padding:0;list-style:none;display:grid}.case-list a{border-radius:var(--site-radius);align-items:center;gap:18px;padding:10px;transition:background-color .15s;display:flex}.case-list a:hover{background:var(--site-surface)}.case-list a:hover strong{color:var(--site-brand)}.case-list-image{border-radius:var(--site-radius);background:#000;flex:none;width:112px;height:112px;overflow:hidden}.case-list-image img{object-fit:cover;width:100%;height:100%}.case-list-text{flex-direction:column;gap:3px;min-width:0;display:flex}.case-list-text strong{font-size:17px;font-weight:600;line-height:1.3;transition:color .15s}.case-list-text small{color:var(--site-muted);font-size:15px;line-height:1.45}.site-footer{border-top:1px solid var(--site-line)}.site-footer-inner{max-width:var(--site-max);padding:28px var(--site-gutter) 44px;box-sizing:border-box;margin:0 auto}.site-footer-top{border-bottom:1px solid var(--site-line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;padding-bottom:20px;display:flex}.site-footer-brand{align-items:center;gap:10px;font-weight:600;display:flex}.site-footer-brand img{border-radius:6px}.site-footer nav{flex-wrap:wrap;gap:4px 22px;display:flex}.site-footer nav a{color:var(--site-ink-2);align-items:center;min-height:44px;font-size:14px;transition:color .15s;display:inline-flex}.site-footer nav a:hover{color:var(--site-ink)}.site-footer p{color:var(--site-muted);max-width:92ch;margin:20px 0 0;font-size:13px;line-height:1.6}@media (width<=1100px){.site{--site-gutter:40px}.plates{grid-template-columns:repeat(3,minmax(0,1fr))}.home-sim{gap:48px}.pindex{gap:32px}.pindex-viewer{min-width:0}}@media (width<=900px){.home-hero{background:var(--site-bg);height:auto;overflow:visible}.home-hero-plate{width:100%;position:relative;top:auto;right:auto}.home-hero-shade{background:linear-gradient(0deg, var(--site-bg) 0%, #0a0b0d00 18%);height:100vw;bottom:auto}.home-hero-copy{width:auto;padding:8px var(--site-gutter) 0;position:relative;bottom:auto;left:auto}.home-readout{display:none}.home-sim{grid-template-columns:1fr}.mri-row{grid-template-columns:repeat(2,minmax(0,1fr))}.pindex{grid-template-columns:1fr}.pindex-thumb{display:block!important}.pindex-group h3{padding:0 4px}.pindex-list a{padding:10px 4px}.pindex-chev{opacity:1;color:var(--site-muted)}.pindex-list a:hover,.pindex-list a.active{background:0 0}.pindex-list a.active strong{color:inherit}.site-feature,.case-list{grid-template-columns:1fr}}@media (width<=720px){.site{--site-gutter:16px}.site-header-inner{flex-wrap:wrap;gap:0 12px;height:auto;padding-top:8px;padding-bottom:4px}.site-header.overlay{background:linear-gradient(#0a0b0dd9,#0a0b0d00)}.site-nav{order:3;justify-content:space-between;width:100%;margin:0 -12px}.home-hero-copy h1{font-size:44px}.home-lede{font-size:18px}.home-actions .site-button{flex:auto}.home-section{padding-top:88px}.home-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:24px}.pill-tabs{align-self:stretch}.pill-tabs button{flex:1}.plates{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.home-mosaic{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.mri-row{gap:12px}.rows a{gap:14px;padding:12px 4px}.rows-meta .rows-time{display:none}.case-list a{gap:14px;padding:8px 4px}.case-list-image{width:88px;height:88px}.site-feature-copy{padding:24px 20px}.site-footer-top{flex-direction:column;align-items:flex-start;gap:8px}}.home-section-head{max-width:760px;margin:0 0 24px}.home-section-head h2{letter-spacing:-.03em;margin:0 0 8px;font-size:clamp(26px,2.4vw,34px);font-weight:600;line-height:1.1}.home-section-head p{color:var(--site-muted);margin:0;font-size:16px}.learn-page,.site,.learn-lightbox{--learn-highlight:#ffc940}.learn-page{--pa-text:var(--site-ink);--pa-text-secondary:var(--site-muted);--pa-surface:var(--site-surface);--pa-surface-raised:var(--site-raised);--pa-hairline:var(--site-line);--pa-accent:var(--site-brand);--pa-accent-rgb:var(--site-brand-rgb);--pa-accent-fill:var(--site-brand);--pa-on-accent:var(--site-on-brand);--pa-correct:var(--site-correct);--pa-incorrect:var(--site-incorrect);--pa-note-fill:var(--site-note-fill);--pa-note-stroke:var(--site-note-stroke);--pa-note-text:var(--site-note-text);--pa-safety-fill:var(--site-safety-fill);--pa-safety-stroke:var(--site-safety-stroke);--pa-safety-text:var(--site-safety-text);--pa-amber:#e8bc78;--pa-monitor:#000;--learn-gutter:32px;--learn-hover-line:var(--site-line-strong);--learn-body:#d9dbe0;box-sizing:border-box;width:100%;min-width:0;max-width:1080px;padding:28px var(--learn-gutter) 96px;color:var(--pa-text);font-family:var(--pa-font);margin:0 auto}.learn-page.narrow{max-width:760px}.learn-page.wide{max-width:1240px}.learn-page .home-section{padding-top:48px}.learn-dev-note{margin-top:16px}.learn-page.reader{max-width:760px}.learn-page .muted{color:var(--pa-text-secondary)}.learn-page .small{font-size:var(--pa-size-footnote);align-items:center;gap:6px;display:flex}.learn-page code{font-family:var(--pa-font-mono);font-size:.9em}.learn-page .sr-only{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.learn-page a{color:inherit;text-decoration:none}.learn-page :focus-visible{outline:2px solid var(--pa-accent);outline-offset:2px;border-radius:6px}.learn-page-head{margin:4px 0 24px}.learn-page-head h1{letter-spacing:-.04em;margin:0 0 12px;font-size:clamp(36px,3.6vw,52px);font-weight:600;line-height:1.04}.learn-page-head p{color:var(--pa-text-secondary);max-width:64ch;margin:0;font-size:17px;line-height:1.55}.learn-crumbs{flex-wrap:wrap;gap:2px;margin-bottom:12px;display:flex}.learn-crumbs a{min-height:44px;color:var(--pa-text-secondary);font-size:var(--pa-size-subheadline);align-items:center;gap:2px;padding-right:6px;display:inline-flex}.learn-crumbs a:hover{color:var(--pa-text)}.learn-crumbs span{min-height:44px;color:var(--site-ink-2);font-size:var(--pa-size-subheadline);align-items:center;font-weight:550;display:inline-flex}.learn-section{margin:36px 0 0}.learn-section>h2{letter-spacing:-.02em;margin:0 0 6px;font-size:24px;font-weight:600}.learn-section>p{margin:0 0 14px}.learn-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px;display:grid}.learn-row,.learn-category{border:1px solid var(--pa-hairline);background:var(--pa-surface);border-radius:12px;align-items:center;gap:14px;min-height:72px;padding:12px;transition:border-color .15s,box-shadow .15s;display:flex}.learn-row:hover,.learn-category:hover{border-color:var(--learn-hover-line)}.learn-row:hover .learn-row-text strong,.learn-category:hover .learn-row-text strong{color:var(--pa-accent)}.learn-category{margin-bottom:12px}.learn-row-text{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.learn-row-text strong{font-size:var(--pa-size-callout);font-weight:600;line-height:1.3}.learn-row-text small{color:var(--pa-text-secondary);font-size:var(--pa-size-subheadline);line-height:1.35}.learn-row-meta{color:var(--pa-text-secondary);font-size:var(--pa-size-footnote)}.learn-row-chev{color:var(--pa-text-secondary);flex:none}.learn-thumb,.learn-category-art{background:var(--pa-monitor);border-radius:10px;flex:none;width:72px;height:72px;position:relative;overflow:hidden}.learn-thumb img,.learn-category-art img{object-fit:cover;width:100%;height:100%;display:block}.learn-thumb.empty{background:var(--site-brand-tint);color:var(--site-brand);place-items:center;display:grid}.learn-category-art.icon{color:var(--pa-accent);background:rgba(var(--pa-accent-rgb), .12);place-items:center;display:grid}.learn-thumb-check{background:var(--pa-correct);width:20px;height:20px;color:var(--site-on-correct);border-radius:50%;place-items:center;display:grid;position:absolute;bottom:4px;right:4px}.learn-bar{background:var(--pa-hairline);border-radius:2px;height:4px;margin-top:4px;overflow:hidden}.learn-bar>span{background:var(--pa-accent);height:100%;display:block}.learn-ring{background:conic-gradient(var(--pa-accent) calc(var(--p,0) * 1%), var(--pa-hairline) 0);border-radius:50%;flex:none;place-items:center;width:44px;height:44px;display:grid}.learn-ring>span{background:var(--pa-surface);width:36px;height:36px;font-size:var(--pa-size-footnote);font-variant-numeric:tabular-nums;border-radius:50%;place-items:center;font-weight:600;display:grid}.learn-continue{background:var(--pa-surface);border:1px solid var(--pa-hairline);border-radius:12px;align-items:center;gap:14px;min-height:0;margin-bottom:24px;padding:16px;transition:border-color .15s,box-shadow .15s;display:flex;position:relative;overflow:hidden}.learn-continue:hover{border-color:var(--learn-hover-line)}.learn-continue:hover strong{color:var(--pa-accent)}.learn-continue>img{object-fit:cover;background:#000;border-radius:10px;flex:none;width:96px;height:96px}.learn-continue>*{position:relative}.learn-continue.small{align-items:center}.learn-continue-text{flex-direction:column;flex:1;gap:4px;display:flex}.learn-continue-text small{color:var(--pa-text-secondary);font-size:var(--pa-size-subheadline)}.learn-continue-text strong{letter-spacing:-.01em;font-size:20px;line-height:1.25}.learn-continue-go,.learn-continue-icon{background:var(--pa-accent-fill);width:44px;height:44px;color:var(--pa-on-accent);border-radius:50%;flex:none;place-items:center;display:grid}.learn-continue-icon{background:rgba(var(--pa-accent-rgb), .16);color:var(--pa-accent)}.learn-segmented{background:var(--pa-surface);border:1px solid var(--pa-hairline);border-radius:999px;gap:4px;margin:10px 0;padding:4px;display:flex}.learn-segmented.wide{margin:0 0 22px}.learn-segmented>a,.learn-segmented>button{min-height:44px;color:var(--pa-text-secondary);font:600 var(--pa-size-subheadline) var(--pa-font);cursor:pointer;background:0 0;border:0;border-radius:999px;flex:1;place-items:center;display:grid}.learn-segmented{background:var(--pa-surface-raised);border-color:#0000}.learn-segmented [aria-selected=true]{background:var(--site-ink);color:var(--site-bg)}.learn-segmented.compact{flex:none;margin:0}.learn-segmented.compact>button{padding:0 14px}.learn-chip{border:1px solid var(--pa-hairline);background:var(--pa-surface);min-height:44px;color:var(--pa-text);font:600 var(--pa-size-footnote) var(--pa-font);cursor:pointer;border-radius:22px;padding:0 16px}.learn-chip[aria-pressed=true]{border-color:var(--pa-accent);color:var(--pa-accent)}.learn-button{border:1px solid var(--site-line-strong);background:var(--pa-surface);min-height:48px;color:var(--pa-text);font:600 var(--pa-size-callout) var(--pa-font);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:0 20px;transition:background-color .15s,border-color .15s;display:inline-flex}.learn-button:hover{border-color:var(--site-ink-2)}.learn-button.primary{background:var(--pa-accent-fill);border-color:var(--pa-accent-fill);color:var(--pa-on-accent)}.learn-button.primary:hover{background:var(--site-brand-hover);border-color:var(--site-brand-hover)}.learn-button.wide{width:100%}.learn-button-row{flex-wrap:wrap;gap:10px;margin:22px 0;display:flex}.learn-link-button{min-height:44px;color:var(--pa-accent);font:600 var(--pa-size-subheadline) var(--pa-font);cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;padding:0;display:inline-flex}.learn-icon-button{width:44px;height:44px;color:var(--pa-accent);cursor:pointer;background:0 0;border:0;border-radius:12px;place-items:center;display:grid}.learn-icon-button:disabled{color:var(--site-line-strong);cursor:default}.learn-icon-button:not(:disabled):hover{background:rgba(var(--pa-accent-rgb), .12)}.learn-lesson-h1{letter-spacing:-.035em;text-wrap:balance;margin:0 0 16px;font-size:clamp(32px,3.2vw,44px);font-weight:600;line-height:1.06}.learn-chapter-title{letter-spacing:-.025em;margin:26px 0 8px;font-size:26px;font-weight:600;line-height:1.2}.learn-chapter-chips{scrollbar-width:none;gap:8px;padding:2px 0 10px;display:flex;overflow-x:auto}.learn-chapter-chips a{border:1px solid var(--pa-hairline);min-height:44px;color:var(--pa-text-secondary);font-size:var(--pa-size-subheadline);white-space:nowrap;border-radius:22px;flex:none;align-items:center;gap:5px;padding:0 16px;display:inline-flex}.learn-chapter-chips a[aria-current=page]{border-color:var(--pa-accent);color:var(--pa-accent);background:rgba(var(--pa-accent-rgb), .12);font-weight:600}.learn-article h1{letter-spacing:-.035em;margin:22px 0 10px;font-size:clamp(32px,3.2vw,44px);font-weight:600;line-height:1.06}.learn-chapter-meta{color:var(--pa-text-secondary);font-size:var(--pa-size-subheadline);flex-wrap:wrap;gap:14px;margin:0 0 18px;display:flex}.learn-chapter-meta span{align-items:center;gap:5px;display:inline-flex}.learn-chapter-meta .draft{color:var(--pa-amber)}.learn-h2{letter-spacing:-.02em;margin:36px 0 10px;font-size:22px;font-weight:600;line-height:1.3}.learn-p,.learn-list li{font-family:var(--pa-font);color:var(--learn-body);font-size:18px;line-height:1.65}.learn-p{margin:0 0 16px}.learn-list{margin:0 0 16px;padding-left:24px}.learn-list li{margin:0 0 8px}.learn-list li::marker{color:var(--pa-accent)}.learn-article a:not(.learn-launcher){color:var(--pa-accent);text-underline-offset:3px;text-decoration:underline}.learn-cite a{font-family:var(--pa-font);padding:0 1px;font-size:.72em;font-weight:600;color:var(--pa-accent)!important;text-decoration:none!important}.learn-term{color:var(--pa-accent);font:inherit;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:0;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}.learn-callout{border-radius:var(--pa-radius-md);border:1px solid var(--site-line-strong);background:var(--pa-surface);gap:12px;margin:4px 0 18px;padding:14px 16px;display:flex}.learn-callout.safety{border-color:var(--pa-safety-stroke);background:var(--pa-safety-fill)}.learn-callout-icon{color:var(--pa-accent);padding-top:3px}.learn-callout.safety .learn-callout-icon{color:var(--pa-safety-text)}.learn-callout .learn-p,.learn-callout .learn-list li{font-family:var(--pa-font);font-size:var(--pa-size-callout);line-height:1.55}.learn-callout .learn-p:last-child,.learn-callout .learn-list:last-child{margin-bottom:0}.learn-deep{border:1px solid var(--pa-hairline);border-radius:var(--pa-radius-md);background:var(--pa-surface);margin:4px 0 18px}.learn-deep summary{cursor:pointer;min-height:52px;font-weight:600;font-size:var(--pa-size-callout);align-items:center;gap:10px;padding:8px 14px;list-style:none;display:flex}.learn-deep summary::-webkit-details-marker{display:none}.learn-deep summary>span:nth-child(2){flex:1}.learn-deep .chev{color:var(--pa-text-secondary);flex:none;transition:transform .15s}.learn-deep[open] .chev{transform:rotate(90deg)}.learn-deep-body{padding:0 16px 6px}.learn-deep-body .learn-p,.learn-deep-body .learn-list li{font-size:17px}.learn-pill{background:var(--site-brand-tint);color:var(--pa-accent);border-radius:999px;flex:none;padding:4px 10px;font-size:13px;font-weight:600}.learn-pill.deep{background:var(--pa-surface-raised);color:var(--site-ink-2)}.learn-launcher{border-radius:var(--pa-radius-lg);border:1px solid var(--pa-hairline);background:var(--pa-surface);align-items:center;gap:14px;margin:8px 0 20px;padding:14px;display:flex}.learn-launcher:hover{border-color:var(--learn-hover-line)}.learn-launcher>span:nth-child(2){flex-direction:column;flex:1;gap:3px;display:flex}.learn-launcher strong{font-size:var(--pa-size-callout)}.learn-launcher small{color:var(--pa-text-secondary);font-size:var(--pa-size-subheadline)}.learn-launcher>svg{color:var(--pa-text-secondary);flex:none}.learn-launcher-icon{width:52px;height:52px;color:var(--pa-accent);background:rgba(var(--pa-accent-rgb), .12);border-radius:14px;flex:none;place-items:center;display:grid}.learn-launcher-icon.fill{background:var(--pa-accent-fill);color:var(--pa-on-accent)}.learn-chapter-end{gap:14px;margin:34px 0 0;display:grid}.learn-prev-next{grid-template-columns:1fr 1fr;gap:12px;display:grid}.learn-prev-next a{border:1px solid var(--pa-hairline);border-radius:var(--pa-radius-md);background:var(--pa-surface);flex-direction:column;gap:3px;min-height:64px;padding:12px 14px;font-weight:600;display:flex}.learn-prev-next a.next{text-align:right}.learn-prev-next small{color:var(--pa-text-secondary);font-weight:400;font-size:var(--pa-size-footnote)}.learn-sources{border-top:1px solid var(--pa-hairline);margin:40px 0 0;padding-top:18px}.learn-sources h2{font-size:var(--pa-size-title3);margin:0 0 10px}.learn-sources ol,.learn-sources ul{color:var(--pa-text-secondary);font-size:var(--pa-size-subheadline);margin:0;padding-left:22px;line-height:1.5}.learn-sources li{margin:0 0 8px;scroll-margin-top:80px}.learn-sources a{color:var(--pa-accent);word-break:break-word}.learn-sources li:target{color:var(--pa-text)}.learn-figure{margin:8px 0 24px}.learn-figure-wrap{position:relative}.learn-figure-frame{aspect-ratio:1;border-radius:var(--pa-radius-xl);background:var(--pa-monitor);touch-action:none;-webkit-user-select:none;user-select:none;border:0;width:100%;padding:0;display:block;position:relative;overflow:hidden}.learn-figure-frame>img,.learn-figure-reveal>img{object-fit:contain;width:100%;height:100%;display:block;position:absolute;inset:0}.learn-figure-frame.placeholder{color:var(--pa-text-secondary);place-items:center;display:grid}.learn-figure-frame.question{touch-action:auto;margin:4px 0 16px}.learn-figure-frame.question.tap{touch-action:none;cursor:crosshair}.learn-figure-reveal{position:absolute;inset:0}.learn-split-handle{pointer-events:none;background:#fff;width:2px;margin-left:-1px;position:absolute;top:0;bottom:0}.learn-split-handle i{color:#222;background:#fff;border-radius:50%;justify-content:center;align-items:center;gap:0;width:40px;height:40px;margin:-20px;display:flex;position:absolute;top:50%;left:50%;box-shadow:0 2px 8px #0006}.learn-figure-frame.asking{cursor:crosshair}.learn-ask-bar{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;font-weight:600;font-size:var(--pa-size-subheadline);background:#0a0b0ec7;border-radius:16px;align-items:center;gap:10px;padding:9px 12px;display:flex;position:absolute;bottom:10px;left:10px;right:84px}.learn-ask-bar button{color:var(--site-brand);font:600 var(--pa-size-footnote) var(--pa-font);cursor:pointer;background:0 0;border:0;min-width:44px;min-height:44px;margin:-10px 0}.learn-labels{pointer-events:none;position:absolute;inset:0}.learn-labels svg{width:100%;height:100%;position:absolute;inset:0}.learn-labels line{stroke:#ffffffbf;stroke-width:.25px;vector-effect:non-scaling-stroke}.learn-labels svg line{stroke-width:1px}.learn-label{white-space:nowrap;color:#fff;text-shadow:0 0 3px #000000f2,0 0 8px #000000b3;font-size:clamp(11px,1.9vw,15px);font-weight:600;position:absolute;transform:translate(-50%,-50%)}.learn-label.name{font-size:clamp(12px,2vw,16px)}.learn-label.small{font-size:11px}.learn-label-ring{background:var(--learn-highlight);box-sizing:border-box;background-clip:content-box;border:1.8px solid #fff;border-radius:50%;width:10px;height:10px;margin:-5px;padding:1.5px;position:absolute}.learn-label-pulse{border:3px solid var(--learn-highlight);border-radius:50%;width:44px;height:44px;margin:-22px;animation:1.1s ease-out infinite learn-pulse;position:absolute}@keyframes learn-pulse{0%{opacity:1;transform:scale(.8)}to{opacity:.2;transform:scale(1.35)}}@media (prefers-reduced-motion:reduce){.learn-label-pulse{animation:none}}.learn-target-zone{border:2px dashed;border-radius:50%;position:absolute;transform:translate(-50%,-50%)}.learn-target-zone.correct{border-color:var(--pa-correct);background:#3ccb8b26}.learn-target-zone.incorrect{border-color:var(--learn-highlight);background:#ffc94026}.learn-tap-dot{border:2px solid #fff;border-radius:50%;width:14px;height:14px;margin:-7px;position:absolute}.learn-tap-dot.correct{background:var(--pa-correct)}.learn-tap-dot.incorrect{background:var(--pa-incorrect)}.learn-tip-ring{border:2px solid var(--learn-highlight);pointer-events:none;border-radius:50%;width:16px;height:16px;margin:-8px;position:absolute}.learn-tip-ring.big{width:40px;height:40px;margin:-20px}.learn-carm{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#fff;font-size:var(--pa-size-caption2);pointer-events:none;background:#14161bb3;border-radius:12px;flex-direction:column;align-items:center;gap:2px;padding:5px 6px;font-weight:600;display:flex;position:absolute;bottom:10px;right:10px}.learn-carm .muted{color:#ffffffd9;font-weight:400}.learn-view-badge{color:#fff;font-size:var(--pa-size-caption2);letter-spacing:.06em;pointer-events:none;background:#0000008c;border-radius:10px;padding:4px 8px;font-weight:700;position:absolute;top:10px;left:10px}.learn-figure figcaption{align-items:flex-start;gap:8px;margin-top:10px;display:flex}.learn-figure figcaption p{font-size:var(--pa-size-subheadline);color:var(--site-ink-2);flex:1;margin:0;line-height:1.5}.learn-figure figcaption p.clamped{-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.learn-figure-actions{align-items:center;gap:2px;margin-top:-10px;display:flex}.learn-pair-prompt{font-weight:600;font-size:var(--pa-size-callout);margin:0 0 10px}.learn-pair-tiles{grid-template-columns:1fr 1fr;gap:10px;display:grid}.learn-pair-tile .learn-figure-frame{cursor:pointer;outline-offset:-3px;border-radius:14px;outline:3px solid #0000}.learn-pair-tile .learn-figure-frame:disabled{cursor:default}.learn-pair-tile .learn-figure-frame.picked{outline-color:var(--site-brand)}.learn-pair-title{font-size:var(--pa-size-footnote);margin:6px 0 0;font-weight:600}.learn-pair-title.wrong{color:var(--pa-incorrect)}.learn-pair-title.right{color:var(--pa-correct)}.learn-verdict{font-size:var(--pa-size-caption);color:#0a0b0d;border-radius:10px;padding:3px 8px;font-weight:700;position:absolute;bottom:8px;left:8px}.learn-verdict.right{background:var(--pa-correct)}.learn-verdict.wrong{background:var(--pa-incorrect)}.learn-figure-frame.mri{cursor:ns-resize}.learn-edge{color:#fffc;font-size:var(--pa-size-caption);text-shadow:0 0 3px #000;pointer-events:none;font-weight:700;position:absolute}.learn-edge.left{top:50%;left:10px;transform:translateY(-50%)}.learn-edge.right{top:50%;right:10px;transform:translateY(-50%)}.learn-edge.bottom{bottom:8px;left:50%;transform:translate(-50%)}.learn-localizer{aspect-ratio:1;pointer-events:none;border:1px solid #fff9;border-radius:8px;width:30%;position:absolute;top:8px;right:8px;overflow:hidden}.learn-localizer img{width:100%;height:100%;display:block}.learn-localizer svg{width:100%;height:100%;position:absolute;inset:0}.learn-localizer line{stroke:var(--learn-highlight);stroke-width:1.5px;vector-effect:non-scaling-stroke}.learn-slice-row{align-items:center;gap:4px;margin-top:4px;display:flex}.learn-slice-row input{cursor:pointer;appearance:none;background:0 0;flex:1;min-width:0;min-height:44px;margin:0}.learn-slice-row input::-webkit-slider-runnable-track{background:var(--site-line-strong);border-radius:2px;height:4px}.learn-slice-row input::-moz-range-track{background:var(--site-line-strong);border-radius:2px;height:4px}.learn-slice-row input::-webkit-slider-thumb{-webkit-appearance:none;background:var(--pa-accent-fill);border:3px solid var(--pa-surface);border-radius:50%;width:20px;height:20px;margin-top:-8px;box-shadow:0 1px 3px #14171c4d}.learn-slice-row input::-moz-range-thumb{background:var(--pa-accent-fill);border:3px solid var(--pa-surface);border-radius:50%;width:14px;height:14px}.learn-lightbox .learn-slice-row input::-webkit-slider-runnable-track{background:#3a3e48}.learn-lightbox .learn-slice-row input::-moz-range-track{background:#3a3e48}.learn-slice-meta{min-height:32px;color:var(--pa-text-secondary);font-size:var(--pa-size-footnote);font-variant-numeric:tabular-nums;justify-content:space-between;align-items:center;display:flex}.learn-lightbox{--pa-text:#eceef3;--pa-text-secondary:#a2a5ae;--pa-surface:#17191e;--pa-surface-raised:#21242b;--pa-hairline:#2a2d35;--pa-accent:var(--site-brand);--pa-accent-rgb:var(--site-brand-rgb);--pa-accent-fill:var(--site-brand);--pa-on-accent:var(--site-on-brand);--site-line-strong:#3a3e48;--site-ink-2:#c9ccd3;--pa-correct:#3ccb8b;--pa-incorrect:#ff6b6f;--pa-note-fill:#2a2311;--pa-note-stroke:#8a6b1f;--pa-note-text:#f3d48c;border:1px solid var(--pa-hairline);width:min(920px,100vw - 24px);max-height:calc(100vh - 24px);color:var(--pa-text);font-family:var(--pa-font);background:#0a0b0e;border-radius:16px;padding:0}.learn-lightbox .learn-segmented{background:var(--pa-surface)}.learn-lightbox .learn-segmented [aria-selected=true]{background:var(--pa-surface-raised);box-shadow:none}.learn-lightbox .learn-chip{background:var(--pa-surface);color:var(--pa-text)}.learn-lightbox::backdrop{background:#000000bf}.learn-lightbox-inner{padding:12px 18px 20px}.learn-lightbox header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.learn-lightbox h2{font-size:var(--pa-size-callout);margin:0}.learn-lightbox .learn-figure-frame{max-width:min(78vh,100%);margin:0 auto}.learn-lightbox-caption{font-size:var(--pa-size-subheadline);color:#dfe1e7;margin:14px 0 6px;line-height:1.5}.learn-lightbox .learn-slice-meta,.learn-lightbox .learn-attribution{color:#a2a5ae}.learn-attribution{font-size:var(--pa-size-caption);color:var(--pa-text-secondary);margin:0}.learn-full-controls{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:10px;display:flex}.learn-mri.large .learn-figure-frame{max-width:min(72vh,100%);margin:0 auto}.learn-plan-section{border-top:1px solid var(--pa-hairline);padding:16px 0}.learn-plan-section:first-child{border-top:0;padding-top:0}.learn-plan-section h2{font-size:var(--pa-size-subheadline);text-transform:none;color:var(--pa-text-secondary);margin:0 0 6px;font-weight:600}.learn-plan-section p{font-size:var(--pa-size-body);margin:0 0 8px;line-height:1.55}.learn-plan-section .learn-list li{font-family:var(--pa-font);font-size:var(--pa-size-body);line-height:1.5}.learn-plan-section.safety h2{color:var(--pa-safety-text)}.learn-plan-section .good{color:var(--pa-correct)}.learn-views{gap:14px;margin:0;padding:0;list-style:none;display:grid}.learn-views li{grid-template-columns:32px 1fr 132px;align-items:start;gap:12px;display:grid}.learn-views p{color:var(--site-ink-2);font-size:var(--pa-size-callout)!important}.learn-step-n{background:rgba(var(--pa-accent-rgb), .16);width:30px;height:30px;color:var(--pa-accent);font-weight:700;font-size:var(--pa-size-footnote);border-radius:50%;flex:none;place-items:center;display:grid}.learn-step-n.done{background:var(--pa-correct);color:var(--site-on-correct)}.learn-view-thumb{aspect-ratio:1;background:var(--pa-monitor);border-radius:12px;width:132px;display:block;position:relative;overflow:hidden}.learn-view-thumb img{object-fit:cover;width:100%;height:100%;display:block}.learn-view-thumb .learn-carm{transform-origin:100% 100%;bottom:4px;right:4px;transform:scale(.7)}.learn-chapters{gap:6px;margin:14px 0 18px;padding:0;list-style:none;display:grid}.learn-chapters a{background:var(--pa-surface);border:1px solid var(--pa-hairline);border-radius:12px;align-items:center;gap:12px;min-height:52px;padding:6px 12px;display:flex}.learn-chapters a>span:nth-child(2){flex:1;font-weight:600}.learn-chapters small{color:var(--pa-text-secondary)}.learn-sources.compact{margin-top:12px}.learn-rehearse{gap:14px;max-width:520px;display:grid}.learn-rehearse p{margin:0;line-height:1.55}.learn-rehearse label{font-weight:600;font-size:var(--pa-size-subheadline);color:var(--pa-text-secondary);gap:6px;display:grid}.learn-rehearse select{border:1px solid var(--pa-hairline);background:var(--pa-surface);min-height:48px;color:var(--pa-text);font:600 var(--pa-size-callout) var(--pa-font);border-radius:12px;padding:0 12px}.learn-quiz-progress{background:var(--pa-hairline);border-radius:2px;height:4px;overflow:hidden}.learn-quiz-progress span{background:var(--pa-accent);height:100%;display:block}.learn-quiz-count{color:var(--pa-text-secondary);font-size:var(--pa-size-footnote);margin:12px 0 6px}.learn-quiz-prompt{letter-spacing:-.015em;margin:0 0 18px;font-size:22px;font-weight:600;line-height:1.35}.learn-options{gap:10px;margin:6px 0 14px;display:grid}.learn-option{text-align:left;border:1px solid var(--pa-hairline);background:var(--pa-surface);min-height:52px;color:var(--pa-text);font:var(--pa-size-callout)/1.4 var(--pa-font);cursor:pointer;border-radius:14px;align-items:center;gap:12px;padding:10px 14px;display:flex}.learn-option:not(:disabled):hover{border-color:var(--pa-accent)}.learn-option:disabled{cursor:default}.learn-option.right{border-color:var(--pa-correct);background:var(--site-correct-tint)}.learn-option.wrong{border-color:var(--pa-incorrect);background:var(--site-incorrect-tint)}.learn-option.dim{opacity:.55}.learn-option-letter{background:var(--pa-surface-raised);width:28px;height:28px;font-weight:700;font-size:var(--pa-size-footnote);border-radius:50%;flex:none;place-items:center;display:grid}.learn-feedback{border:1px solid var(--pa-hairline);background:var(--pa-surface);border-radius:14px;margin:4px 0 16px;padding:14px 16px}.learn-feedback strong{font-size:var(--pa-size-callout);align-items:center;gap:6px;display:inline-flex}.learn-feedback p{margin:6px 0 0;line-height:1.55}.learn-feedback p.emph{font-weight:600}.learn-feedback.correct{border-color:var(--pa-correct);background:var(--site-correct-tint)}.learn-feedback.incorrect{border-color:var(--pa-incorrect);background:var(--site-incorrect-tint)}.learn-feedback.correct strong{color:var(--pa-correct)}.learn-feedback.incorrect strong{color:var(--pa-incorrect)}.learn-feedback.note{border-color:var(--pa-note-stroke);background:var(--pa-note-fill)}.learn-feedback.note strong{color:var(--pa-note-text)}.learn-quiz-done h2{letter-spacing:-.02em;margin:10px 0 6px;font-size:30px}.learn-miss-list{gap:8px;margin:16px 0;padding:0;list-style:none;display:grid}.learn-miss-list li{color:var(--pa-text-secondary);align-items:baseline;gap:8px;line-height:1.45;display:flex}.learn-miss-list svg{color:var(--pa-incorrect);flex:none}@media (width<=720px){.learn-page{--learn-gutter:16px;padding-top:12px}.learn-page-head h1,.learn-article h1{font-size:30px}.learn-continue>img{width:72px;height:72px}.learn-grid{grid-template-columns:1fr}.learn-p,.learn-list li{font-size:17px}.learn-views li{grid-template-columns:30px 1fr}.learn-view-thumb{grid-column:2;width:100%;max-width:260px}.learn-prev-next{grid-template-columns:1fr}.learn-prev-next a.next{text-align:left}.learn-ask-bar{bottom:74px;right:10px}}.learn-figure-wrap,.learn-figure>.learn-mri,.learn-figure-frame.question{max-width:min(100%,72vh);margin-left:auto;margin-right:auto}.learn-figure>.learn-mri>.learn-figure-frame{max-width:100%}.learning-app{--case-muted:#a5a8af;--case-line:#33373d;--case-surface:var(--pa-surface);color:#ebecef;min-height:100vh;font-size:var(--pa-size-subheadline);background:radial-gradient(at 10% 0,#2f323760,#0000 42%),#121418;line-height:1.6}.learning-app a:focus-visible,.learning-app button:focus-visible,.learning-app select:focus-visible,.learning-app summary:focus-visible{outline-offset:4px;outline:2px solid #f7d8a2}.learning-app select{font:inherit;color:inherit;border-radius:var(--pa-radius-md);background:#262a31;border:1px solid #494d55;max-width:100%;padding:8px 12px}.learning-app a{transition:color .15s}.learning-app button:disabled{opacity:.4}.learning-app small{line-height:1.5}.learning-app a:hover{color:#f9e0b6}.learning-header{border-bottom:1px solid var(--pa-hairline);background:#14161aee;align-items:center;gap:52px;min-height:78px;padding:16px max(28px,50vw - 660px);display:flex}.learning-header nav{font-size:var(--pa-size-footnote);color:#b6b9c0;align-items:center;gap:30px;display:flex}.learning-header nav a{align-items:center;gap:7px;padding:9px 0;display:flex}.learning-header nav a[aria-current=page]{color:#f8d9a3}.learning-header-note{font-size:var(--pa-size-caption);color:var(--pa-text-secondary);margin-left:auto}.learning-home,.case-library,.clinical-encounter{width:100%;max-width:1320px;margin:0 auto;padding:48px 28px 26px}.home-intro{max-width:840px;padding:15px 0 45px}.case-eyebrow{font-size:var(--pa-size-caption2);letter-spacing:1.6px;color:#d5b988;align-items:center;gap:8px;font-weight:650;display:flex}.case-eyebrow>span:empty{background:#edd09d;border-radius:50%;width:6px;height:6px}.home-intro h1{letter-spacing:-2.6px;margin:20px 0;font-size:clamp(38px,4.5vw,65px);font-weight:520;line-height:1.13}.home-intro h1 em{font-family:var(--pa-font-serif);color:#f0d29e;font-weight:400}.home-intro p{max-width:540px;font-size:var(--pa-size-callout);color:#b0b3b9;line-height:1.7}.mode-grid{grid-template-columns:1fr 1fr;gap:24px;display:grid}.mode-card{border-radius:var(--pa-radius-xl);background:linear-gradient(140deg,#2e3136,#1c1f24 80%);border:1px solid #40445b;display:block;position:relative;overflow:hidden;color:#ebecef!important;transition:transform .2s,border-color .2s!important}.mode-card:hover{border-color:#d5b783;transform:translateY(-3px)}.suite-mode{background:linear-gradient(140deg,#24282f,#1c1f25 85%);border-color:#3c4048}.suite-mode:hover{border-color:#b0b5bf}.mode-card-top{justify-content:space-between;align-items:center;padding:24px 28px 0;display:flex}.mode-symbol{color:#f4d59f;border-radius:var(--pa-radius-lg);background:#f7d59b15;border:1px solid #f7d69e35;place-items:center;width:47px;height:47px;display:grid}.suite-mode .mode-symbol{color:#bdc2cc;background:#95c3de15;border-color:#95c3de35}.case-tag{width:fit-content;font-size:var(--pa-size-caption2);letter-spacing:1px;color:#d1bc98;border-radius:var(--pa-radius-sm);white-space:nowrap;border:1px solid #97846350;align-items:center;padding:4px 8px;line-height:1.5;display:inline-flex}.case-tag.warm{color:#dcbfa4;border-color:#9e80674d}.suite-mode .case-tag{color:#b8bdc7;border-color:#81858f50}.mode-visual{height:142px;margin:10px 28px 0;position:relative;overflow:hidden}.clinic-visual{flex-direction:column;justify-content:center;align-items:center;display:flex}.visual-patient{border-radius:var(--pa-radius-lg);background:#292c31;border:1px solid #9f8a6540;align-items:center;gap:12px;width:90%;max-width:340px;padding:16px 18px;display:flex;transform:rotate(-2deg);box-shadow:0 14px 35px #16171a45}.visual-patient>span:first-child{color:#dfc3aa;width:39px;height:39px;font-family:var(--pa-font-serif);background:#d6b09520;border-radius:50%;place-items:center;display:grid}.visual-patient div{flex-direction:column;display:flex}.visual-patient b{font-size:var(--pa-size-footnote);font-weight:550}.visual-patient small{font-size:var(--pa-size-caption2);color:#8c91ac}.visual-status{background:#e1c697;border-radius:50%;width:6px;height:6px;margin-left:auto;box-shadow:0 0 0 4px #e1c69710}.visual-path{font-size:var(--pa-size-caption2);color:#b8a78a;letter-spacing:1px;text-transform:uppercase;align-items:center;gap:10px;margin-top:18px;display:flex}.visual-path i{background:#807054;width:25px;height:1px}.suite-visual{place-items:center;display:grid}.visual-orbit{border:1px solid #8d919b55;border-radius:50%;width:270px;height:105px;position:absolute;transform:rotate(-20deg)}.orbit-two{border-style:dashed;width:205px;height:100px;transform:rotate(30deg)}.visual-crosshair{color:#b9bec8bb}.view-label{font-size:var(--pa-size-micro);letter-spacing:1.4px;color:#b0b5bf;border-radius:var(--pa-radius-sm);background:#21252c;border:1px solid #3f434b;padding:3px 6px;position:absolute}.view-label.ap{top:11px;left:calc(50% - 35px)}.view-label.lateral{bottom:38px;right:calc(50% - 155px)}.view-label.oblique{bottom:8px;left:calc(50% - 129px)}.mode-copy{padding:24px 28px 25px}.mode-number{font-size:var(--pa-size-caption2);letter-spacing:1.5px;color:#8a8ea9}.mode-copy h2{font-size:var(--pa-size-title);letter-spacing:-.8px;margin:7px 0 12px;font-weight:530}.mode-copy p{color:#b7bbc1;max-width:390px;line-height:1.75;font-size:var(--pa-size-subheadline)}.mode-card-bottom{border-top:1px solid #4b4f6265;justify-content:space-between;align-items:center;gap:15px;margin-top:28px;padding-top:20px;display:flex}.mode-card-bottom>span:first-child{font-size:var(--pa-size-caption2);color:#888eab}.mode-link{font-size:var(--pa-size-footnote);color:#f1d6a8;align-items:center;gap:10px;display:flex}.suite-mode .mode-link{color:#c9ced8}.learning-footer{color:var(--pa-text-secondary);font-size:var(--pa-size-caption2);justify-content:space-between;gap:20px;margin-top:34px;display:flex}.resume-strip{border-radius:var(--pa-radius-lg);background:#25272c;border:1px solid #454950;align-items:center;gap:18px;margin-top:20px;padding:18px 24px;display:flex}.resume-strip>svg{color:#e9cd9c}.resume-strip>svg:last-child{margin-left:auto}.resume-strip div{flex-direction:column;display:flex}.resume-strip strong{font-size:var(--pa-size-footnote);font-weight:550}.resume-strip span{font-size:var(--pa-size-caption);color:#9499b2}.case-library{padding-top:36px}.case-back{font-size:var(--pa-size-caption);color:#b2b6bd;align-items:center;gap:9px;display:inline-flex}.library-heading{justify-content:space-between;align-items:end;margin:38px 0 30px;display:flex}.library-heading h1{letter-spacing:-1.5px;margin:12px 0;font-size:42px;font-weight:500;line-height:1.2}.library-heading p{font-size:var(--pa-size-callout);color:var(--case-muted)}.library-count{font-size:var(--pa-size-caption2);letter-spacing:1px;color:#898ea8;padding-bottom:8px}.library-case{border-radius:var(--pa-radius-xl);background:#1c1f25;border:1px solid #3f434a;grid-template-columns:36% 1fr;display:grid;overflow:hidden}.library-preview{background:#060709;place-items:center;min-height:375px;display:grid;position:relative}.library-preview img{object-fit:contain;width:90%;height:360px}.library-preview>span{font-size:var(--pa-size-caption2);letter-spacing:1px;color:#cec1ab;border-radius:var(--pa-radius-sm);background:#15171cc9;border:1px solid #53587950;padding:5px 9px;position:absolute;bottom:20px;left:22px}.library-case-copy{align-self:center;padding:38px 42px}.case-tag-row{flex-wrap:wrap;gap:8px;display:flex}.library-case-copy h2{font-size:var(--pa-size-large-title);letter-spacing:-.8px;margin:16px 0 12px;font-weight:500}.library-case-copy>p{color:#b5b8bf;max-width:560px;line-height:1.85}.case-facts{color:#b0b3bb;font-size:var(--pa-size-caption);gap:25px;margin:22px 0 28px;display:flex}.case-facts>span{align-items:center;gap:7px;display:flex}.library-case-copy>small{font-size:var(--pa-size-caption2);color:#90949d;margin-top:17px;display:block}.case-button{border-radius:var(--pa-radius-md);background:var(--pa-accent-fill);font-size:var(--pa-size-footnote);border:1px solid #0000;justify-content:center;align-items:center;gap:10px;min-height:42px;padding:12px 18px;font-weight:650;line-height:1.4;text-decoration:none;display:inline-flex;color:var(--pa-on-accent)!important}.case-button:hover:not(:disabled){background:#e8b45a;color:var(--pa-on-accent)!important}.case-button.secondary{background:#262930;border-color:#4a4e57;color:#dadde3!important}.case-button.secondary:hover:not(:disabled){background:#373a42}.case-text-button{color:#b1b6bf;font-size:var(--pa-size-caption);align-items:center;gap:7px;padding:8px 4px;display:inline-flex}.library-note{color:#9ea2ac;font-size:var(--pa-size-footnote);align-items:center;gap:13px;padding:26px 4px;display:flex}.library-note a{color:#e5cca2}.library-note svg{color:#c0ab87}.encounter-top{justify-content:space-between;align-items:center;margin-bottom:22px;display:flex}.encounter-top>span{font-size:var(--pa-size-caption2);color:#9297a0}.clinical-encounter{padding-top:26px}.encounter-title{justify-content:space-between;align-items:center;gap:20px;display:flex}.encounter-title h1{font-size:var(--pa-size-large-title);letter-spacing:-1px;margin:5px 0 0;font-weight:520}.case-stepper{border-radius:var(--pa-radius-md);background:var(--pa-surface);border:1px solid #373b42;grid-auto-columns:1fr;grid-auto-flow:column;margin:27px 0 36px;display:grid;overflow:hidden}.case-stepper button{text-align:left;color:#a5aab3;min-height:58px;font-size:var(--pa-size-caption);border-right:1px solid #373b42;align-items:center;gap:10px;padding:12px 16px;display:flex}.case-stepper button:last-child{border-right:0}.case-stepper button>span{width:23px;height:23px;font-size:var(--pa-size-caption2);border:1px solid #5c6169;border-radius:50%;flex-shrink:0;place-items:center;display:grid}.case-stepper strong{font-weight:500}.case-stepper button[aria-current=step]{color:#f1d9af;background:#3f434a70;box-shadow:inset 0 -2px #eace9d}.case-stepper button[aria-current=step]>span{background:var(--pa-accent-fill);color:var(--pa-on-accent);border-color:var(--pa-accent-fill)}.encounter-grid{grid-template-columns:minmax(0,1fr) 290px;align-items:start;gap:30px;display:grid}.encounter-main{min-width:0}.stage-heading{margin-bottom:23px}.stage-heading h2{font-size:var(--pa-size-title);letter-spacing:-.65px;outline:none;margin:9px 0 10px;font-weight:520;line-height:1.2}.stage-heading>p{font-size:var(--pa-size-footnote);color:#aaaeb6;line-height:1.8}.patient-introduction{border-radius:var(--pa-radius-lg) var(--pa-radius-lg) 0 0;background:#26292e;border:1px solid #3e4257;align-items:center;gap:13px;padding:19px 21px;display:flex}.patient-avatar{color:#eacdb5;width:45px;height:45px;font-family:var(--pa-font-serif);font-size:var(--pa-size-body);background:#ae896d24;border:1px solid #b98e704d;border-radius:50%;place-items:center;display:grid}.patient-introduction h3{font-size:var(--pa-size-callout);font-weight:520}.patient-introduction h3 span{font-size:var(--pa-size-footnote);color:#b6b8bd;margin-left:9px;font-weight:400}.patient-introduction p{font-size:var(--pa-size-caption2);color:#898da5;margin-top:2px}.patient-visit-tag{color:#bcad94;font-size:var(--pa-size-caption2);align-items:center;gap:7px;margin-left:auto;display:flex}.interview-room{border-radius:0 0 var(--pa-radius-lg) var(--pa-radius-lg);background:linear-gradient(115deg,#2d2f34,#1c1e23);border:1px solid #3e4257;border-top:0;grid-template-columns:1fr 185px;display:grid;overflow:hidden}.patient-response{align-self:center;padding:32px 26px}.patient-response blockquote{font-family:var(--pa-font-serif);color:#e4e6eb;font-size:var(--pa-size-title2);margin:16px 0 19px;line-height:1.6;animation:.2s responseIn}.patient-response>span{font-size:var(--pa-size-caption2);color:#8f95b4}.symptom-map{text-align:center;border-left:1px solid #796a5030;align-self:center;padding:18px 15px}.symptom-map svg{width:128px;height:220px}.symptom-map>span{font-size:var(--pa-size-caption2);color:#c7b39b;margin-top:6px;display:block}.symptom-map small{font-size:var(--pa-size-micro);color:#8287a3;margin-top:4px;display:block}.history-questions{margin-top:26px}.section-title{justify-content:space-between;align-items:center;gap:15px;margin-bottom:13px;display:flex}.section-title h3{font-size:var(--pa-size-subheadline);font-weight:550}.section-title>span{font-size:var(--pa-size-caption2);color:#9ca0a9}.history-questions>div:last-child{grid-template-columns:1fr 1fr;gap:10px;display:grid}.history-questions button{text-align:left;border-radius:var(--pa-radius-md);font-size:var(--pa-size-caption);background:#1d2026;border:1px solid #3c4048;align-items:center;gap:11px;min-height:84px;padding:14px;line-height:1.5;display:flex}.history-questions button:hover{background:#292d34}.history-questions button[aria-pressed=true]{background:#35383e;border-color:#bfa87f}.history-questions button>span:nth-child(2){flex:1}.history-questions small{color:#9fa4ad;font-size:var(--pa-size-caption2);margin-bottom:4px;display:block}.question-check{color:#c5b394;border:1px solid #585c65;border-radius:50%;flex-shrink:0;place-items:center;width:25px;height:25px;display:grid}.asked .question-check{color:#e7cea4;background:#eace9d1a;border-color:#8b795a}.history-questions button>svg:last-child{color:#81868f}.patient-chart{border-radius:var(--pa-radius-lg);font-size:var(--pa-size-caption);background:#1b1e24;border:1px solid #3a3e46;position:sticky;top:20px}.chart-heading{color:#bfc3cd;border-bottom:1px solid #3a3e46;align-items:center;gap:8px;padding:17px;display:flex}.chart-heading strong{font-size:var(--pa-size-caption);font-weight:550}.chart-heading>span{color:#999ea7;margin-left:auto}.chart-scroll{max-height:calc(100vh - 150px);padding:16px 18px;overflow-y:auto}.chart-scroll h4{font-size:var(--pa-size-micro);letter-spacing:1.6px;color:#a7abb5;margin:5px 0 16px;font-weight:600}.chart-scroll h4:not(:first-child){border-top:1px solid #3a3d46;margin-top:25px;padding-top:20px}.chart-scroll p{color:#b5b9c2;line-height:1.8;font-size:var(--pa-size-caption2)}.chart-entry{margin-bottom:13px}.chart-entry strong{font-weight:550;font-size:var(--pa-size-caption2);color:#d3d6dc}.chart-empty{font-style:italic;color:#848892!important}.chart-foot{font-size:var(--pa-size-micro);color:#91969f;border-top:1px solid #3a3e46;padding:12px 18px}.exam-intro{border-radius:var(--pa-radius-md);color:#a0a4b9;background:#33363b7a;border:1px solid #77684f4d;align-items:center;gap:14px;margin-bottom:17px;padding:20px;display:flex}.exam-intro>svg{color:#dac195;flex-shrink:0}.exam-intro p{font-size:var(--pa-size-footnote)}.exam-grid{gap:12px;display:grid}.exam-card{border-radius:var(--pa-radius-lg);background:#1f2228;border:1px solid #3e424b;padding:19px 21px}.exam-card-heading{align-items:center;gap:13px;margin-bottom:12px;display:flex}.exam-card-heading>span{font-size:var(--pa-size-caption2);color:#c7b28f;border-radius:var(--pa-radius-sm);border:1px solid #726348;padding:5px 7px}.exam-card h3{font-size:var(--pa-size-footnote);font-weight:550}.exam-card-heading>svg{color:#e3c89a;margin-left:auto}.exam-card p{font-size:var(--pa-size-footnote);color:#babec7;padding-left:43px;line-height:1.8}.exam-card .case-button{font-size:var(--pa-size-caption2);min-height:34px;margin-left:43px;padding:8px 12px}.exam-done{border-color:#6f6149}.decision-card{border-radius:var(--pa-radius-lg);background:#1d2026;border:1px solid #40444c;margin-top:22px;padding:25px 25px 23px}.decision-card h3{font-size:var(--pa-size-title3);letter-spacing:-.4px;margin:9px 0 11px;font-weight:530}.decision-card>p{color:#b3b7bf;font-size:var(--pa-size-footnote);line-height:1.8}.decision-options{gap:10px;margin-top:18px;display:grid}.decision-options>button{text-align:left;border-radius:var(--pa-radius-md);background:#24272f;border:1px solid #464a52;align-items:start;gap:12px;padding:15px;display:flex}.decision-options>button:hover{background:#31353d}.decision-options>button[aria-pressed=true]{background:#474b5355;border-color:#eace9d}.choice-indicator{border:1px solid #80858e;border-radius:50%;flex-shrink:0;place-items:center;width:18px;height:18px;margin-top:1px;display:grid}.decision-options button[aria-pressed=true] .choice-indicator{color:#f8ddad;background:#a0875d30;border-color:#e4cba1}.decision-options strong{font-size:var(--pa-size-footnote);font-weight:500;line-height:1.6;display:block}.decision-options small{font-size:var(--pa-size-caption2);color:#a7acb5;margin-top:4px;line-height:1.7;display:block}.decision-feedback{border-radius:var(--pa-radius-md);background:#43474e55;border:1px solid #b2946150;margin-top:18px;padding:17px}.decision-feedback>div{color:#edd3a6;font-size:var(--pa-size-footnote);align-items:center;gap:8px;display:flex}.decision-feedback p{font-size:var(--pa-size-caption);color:#c6b8a0;margin-top:9px;line-height:1.85}.decision-feedback.reconsider{background:#55412340;border-color:#a5844e55}.decision-feedback.reconsider>div{color:#e5c28f}.decision-feedback.reconsider p{color:#cdbda5}.decision-feedback small{color:#d5b77f;font-size:var(--pa-size-caption2);margin-top:9px;display:block}.case-stage-footer{border-top:1px solid #3b3e47;justify-content:space-between;align-items:end;gap:16px;margin-top:30px;padding-top:23px;display:flex}.case-stage-footer>div{flex-direction:column;align-items:end;gap:8px;display:flex}.case-stage-footer small{font-size:var(--pa-size-caption2);color:#a3a7b1}.case-stage-footer .case-button{font-size:var(--pa-size-caption)}.case-sources{font-size:var(--pa-size-caption2);color:#9da2ac;border-top:1px solid #343840;margin-top:30px;padding:17px 0;line-height:1.9}.case-sources summary{cursor:pointer;align-items:center;gap:8px;list-style:none;display:flex}.case-sources summary:after{content:"+";margin-left:auto}.case-sources[open] summary:after{content:"−"}.case-sources p{margin-top:13px}.case-sources ul{padding-left:17px}.case-sources a{color:#cfbea0;text-underline-offset:3px;text-decoration:underline}.result-arrival{border-radius:var(--pa-radius-md);color:#e0c79c;background:#373a418f;border:1px solid #8a775570;align-items:center;gap:12px;margin-bottom:18px;padding:16px 18px;display:flex}.result-arrival div{flex:1}.result-arrival strong{font-size:var(--pa-size-footnote);font-weight:500;display:block}.result-arrival span{color:#8b90ae;font-size:var(--pa-size-caption2);margin-top:2px;display:block}.result-arrival>svg{flex-shrink:0}.mri-reader{border-radius:var(--pa-radius-lg);background:var(--pa-surface);border:1px solid #43464e;overflow:hidden}.mri-reader-heading{border-bottom:1px solid #3d4148;justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.mri-reader-heading>div{font-size:var(--pa-size-footnote);align-items:center;gap:9px;display:flex}.mri-reader-heading strong{font-weight:550}.mri-reader-heading button{color:#aeb3bc;border-radius:var(--pa-radius-sm);width:30px;height:30px}.mri-reader-heading button:hover{background:#393d45}.mri-panes{background:#3d4148;grid-template-columns:1fr 1fr;gap:1px;display:grid}.mri-pane{background:var(--pa-surface);min-width:0}.mri-pane-toolbar{font-size:var(--pa-size-caption2);color:#9fa3ad;justify-content:space-between;align-items:center;padding:11px 12px;display:flex}.mri-pane-toolbar select{font-size:var(--pa-size-caption);padding:6px 9px}.mri-slice-controls{align-items:center;gap:5px;padding:0 10px 9px;display:flex}.mri-slice-controls button{border-radius:var(--pa-radius-sm);color:#b8bdc7;border:1px solid #4a4e57;place-items:center;padding:4px;display:grid}.mri-slice-controls input{accent-color:#e4c796;width:100%;min-width:20px;height:4px}.mri-slice-controls output{font-size:var(--pa-size-caption2);text-align:right;color:#b1b5bf;min-width:43px}.mri-viewport{cursor:ns-resize;background:#000;justify-content:center;align-items:center;height:310px;display:flex;position:relative;overflow:hidden}.mri-viewport:focus-visible{outline-offset:-2px;outline:2px solid #eace9d}.mri-viewport img{object-fit:contain;-webkit-user-select:none;user-select:none;pointer-events:none;width:90%;height:90%;transition:transform .15s}.mri-orientation{color:#f0d3a1;font-size:var(--pa-size-caption2);z-index:1;pointer-events:none;background:#06070990;padding:0 2px;position:absolute}.mri-orientation.top{top:5px;left:48%}.mri-orientation.bottom{bottom:21px;left:48%}.mri-orientation.left{top:47%;left:5px}.mri-orientation.right{top:47%;right:5px}.mri-image-stamp{z-index:1;color:#a9adb6;font-size:var(--pa-size-micro);letter-spacing:.8px;position:absolute;bottom:6px;left:10px}.mri-zoom{color:#9fa3ad;font-size:var(--pa-size-caption2);align-items:center;gap:4px;padding:8px 12px;display:flex}.mri-zoom>span{margin-right:auto}.mri-zoom>button{place-items:center;padding:5px;display:grid}.mri-reader-foot{font-size:var(--pa-size-caption2);color:#a4a9b3;border-top:1px solid #3d4148;flex-direction:column;gap:3px;padding:11px 14px;display:flex}.mri-source{font-size:var(--pa-size-caption2);color:#9fa3ad;border-top:1px solid #343840;padding:10px 14px;line-height:1.7}.mri-source summary{cursor:pointer}.mri-source p{margin-top:8px}.mri-source a{color:#c9b99e;text-decoration:underline}.mri-expanded{z-index:50;position:fixed;inset:18px;overflow:auto;box-shadow:0 0 0 40px #08090adc}.mri-expanded .mri-viewport{height:calc(100vh - 230px);min-height:300px}.mri-expanded .mri-reader-foot{display:none}.mri-image-error{color:#bcbec4;font-size:var(--pa-size-caption);justify-items:center;gap:12px;padding:20px;display:grid}.case-load{color:#c3b397;border-radius:var(--pa-radius-lg);background:#1e2128;border:1px solid #424662;align-content:center;justify-items:center;gap:15px;padding:65px 20px;display:grid}.radiology-report{border-radius:var(--pa-radius-md);background:#21252c;border:1px solid #474b53;margin:17px 0}.radiology-report summary{font-size:var(--pa-size-footnote);cursor:pointer;align-items:center;gap:10px;padding:17px 19px;list-style:none;display:flex}.radiology-report summary>span{font-size:var(--pa-size-caption2);color:#a0a4ae;margin-left:auto}.radiology-report>div{font-size:var(--pa-size-footnote);color:#c4c8d0;padding:0 20px 22px}.radiology-report h3{font-size:var(--pa-size-footnote);color:#e1e4e9;border-top:1px solid #444850;margin-bottom:12px;padding-top:16px;font-weight:500}.radiology-report p{margin-top:9px;line-height:1.8}.radiology-report small{color:#989da6;font-size:var(--pa-size-caption2);margin-top:13px;display:block}.working-diagnosis{border-radius:var(--pa-radius-lg);background:linear-gradient(120deg,#34373d,#21242a);border:1px solid #75664c;padding:22px 25px}.working-diagnosis h3{font-weight:500;font-size:var(--pa-size-title2);margin-top:9px}.working-diagnosis p{font-size:var(--pa-size-caption);color:#8f95b3;margin-top:9px}.case-practice-card{border-radius:var(--pa-radius-lg);background:linear-gradient(125deg,#3c4047,#22252c);border:1px solid #505576;margin-top:25px;padding:25px}.case-practice-card h3{font-size:var(--pa-size-title2);margin:10px 0;font-weight:500}.case-practice-card>p{font-size:var(--pa-size-footnote);color:#9da2bd;line-height:1.8}.practice-disclosure{color:#8d92ae;font-size:var(--pa-size-caption2);gap:9px;margin:18px 0;line-height:1.8;display:flex}.practice-disclosure svg{flex-shrink:0;margin-top:2px}.case-practice-card>small{font-size:var(--pa-size-caption2);color:#898ea8;margin-top:14px;display:block}.care-alternative{border-radius:var(--pa-radius-md);background:#34373e52;border:1px solid #8f79524f;gap:13px;margin-top:22px;padding:22px;display:flex}.care-alternative>svg{color:#e4c99a;flex-shrink:0}.care-alternative h3{font-size:var(--pa-size-subheadline);font-weight:500}.care-alternative p{font-size:var(--pa-size-caption);color:#b9ac95;margin-top:8px;line-height:1.8}.followup-story{border-radius:var(--pa-radius-lg);background:#282a2f;border:1px solid #4c4f54;padding:25px 26px}.followup-story blockquote{font-family:var(--pa-font-serif);font-size:var(--pa-size-title2);color:#e2e4e9;margin:20px 0;line-height:1.65}.followup-story>p{font-size:var(--pa-size-caption);color:#969bb6;line-height:1.9}.followup-metrics{grid-template-columns:1fr 1fr 1fr;gap:12px;margin-top:16px;display:grid}.followup-metrics>div{border-radius:var(--pa-radius-md);background:#2f3238;border:1px solid #464b67;padding:18px}.followup-metrics span{font-size:var(--pa-size-caption2);color:#beae91;margin-bottom:7px;display:block}.followup-metrics strong{font-size:var(--pa-size-title);color:#ead4af;font-weight:500}.followup-metrics small{font-size:var(--pa-size-caption);color:#b8a686;font-weight:400}.outcome-note{font-size:var(--pa-size-caption2);color:#979ba5;margin:15px 0 22px;line-height:1.9}.debrief-layout{max-width:960px;margin:auto;display:block}.debrief-hero{border-radius:var(--pa-radius-lg);background:linear-gradient(125deg,#444850,#292c31);border:1px solid #837050;align-items:center;gap:22px;margin:28px 0 22px;padding:32px;display:flex}.debrief-mark{color:#ecce9b;border:1px solid #ceb79055;border-radius:50%;flex-shrink:0;place-items:center;width:68px;height:68px;display:grid}.debrief-hero h3{font-size:var(--pa-size-title2);letter-spacing:-.4px;margin:8px 0;font-weight:500}.debrief-hero p{font-size:var(--pa-size-footnote);color:#c4b499;line-height:1.8}.debrief-takeaways{border-radius:var(--pa-radius-lg);background:#20232b;border:1px solid #444851;padding:27px 30px}.debrief-takeaways h3{font-size:var(--pa-size-body);font-weight:550}.debrief-takeaways ol{color:#b9bdc7;font-size:var(--pa-size-footnote);margin:18px 0 0;padding-left:22px}.debrief-takeaways li{margin:12px 0;padding-left:9px;line-height:1.9}.debrief-takeaways li::marker{color:#d4bd95}.decision-review{margin-top:30px}.decision-review details{border-radius:var(--pa-radius-md);background:#1f222a;border:1px solid #41454e;margin-top:8px}.decision-review summary{cursor:pointer;font-size:var(--pa-size-footnote);align-items:center;gap:9px;padding:15px 18px;list-style:none;display:flex}.decision-review summary>svg{color:#dac093}.decision-review summary>span{font-size:var(--pa-size-caption2);color:#999da7;margin-left:auto}.decision-review details>div{font-size:var(--pa-size-caption);color:#b6bbc5;padding:0 18px 17px;line-height:1.9}.decision-review details p{margin-top:8px}.debrief-actions{flex-wrap:wrap;align-items:center;gap:14px;margin:28px 0 18px;display:flex}.debrief-actions .case-text-button{margin-left:auto}.route-loading{color:#cebfa6;text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:18px;min-height:65vh;padding:35px;display:flex}.route-loading>a{font-size:var(--pa-size-footnote);text-decoration:underline}.practice-handoff{border-radius:var(--pa-radius-md);color:#d9c6a6;background:#35383e;border:1px solid #867456;justify-content:space-between;align-items:center;gap:20px;margin:20px 0 0;padding:17px 21px;display:flex}.practice-handoff strong{font-size:var(--pa-size-footnote);font-weight:550}.practice-handoff p{font-size:var(--pa-size-caption2);color:#b4a68d;max-width:770px;margin-top:5px;line-height:1.8}.practice-handoff .case-button{font-size:var(--pa-size-caption2);flex-shrink:0}.learning-app .sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@keyframes responseIn{0%{opacity:.4;transform:translateY(3px)}to{opacity:1;transform:none}}@media (width>=1500px){.learning-home{padding-top:58px}.home-intro{padding-bottom:48px}.mode-visual{height:160px}.mode-copy{padding-top:28px}.mri-viewport{height:340px}}@media (width<=1100px){.learning-header{gap:32px}.learning-header-note{display:none}.encounter-grid{grid-template-columns:minmax(0,1fr) 245px;gap:20px}.case-stepper button{font-size:var(--pa-size-caption2);gap:6px;padding:12px 10px}.interview-room{grid-template-columns:1fr 140px}.symptom-map{padding:12px 5px}.symptom-map svg{width:115px}.patient-response{padding:23px 20px}.patient-response blockquote{font-size:var(--pa-size-title3)}.mode-card-bottom{flex-direction:column;align-items:start;gap:10px}.mri-viewport{height:260px}.mri-pane-toolbar{padding:9px}.mri-pane-toolbar>span{display:none}.library-case-copy{padding:30px}.library-case-copy h2{font-size:var(--pa-size-title)}}@media (width<=850px){.encounter-grid{flex-direction:column;display:flex}.encounter-main{width:100%}.patient-chart{order:2;width:100%;position:static}.chart-scroll{max-height:360px}.case-stepper{grid-auto-columns:minmax(112px,1fr);overflow-x:auto}.stage-heading h2{font-size:var(--pa-size-title)}.case-stage-footer{margin-top:26px}.home-intro h1{letter-spacing:-1.5px}.mode-copy{padding:23px}.mode-card-top{padding:22px 23px 0}.mode-copy h2{font-size:var(--pa-size-title)}.mode-visual{margin-left:15px;margin-right:15px}.learning-footer{font-size:var(--pa-size-caption2)}.mri-viewport{height:320px}.practice-handoff{flex-direction:column;align-items:start}.interview-room{grid-template-columns:1fr 170px}.symptom-map svg{width:128px}}@media (width<=600px){.learning-header{flex-wrap:wrap;gap:15px;min-height:68px;padding:15px 18px}.learning-header .brand{font-size:var(--pa-size-title3)}.learning-header nav{font-size:var(--pa-size-caption2);gap:18px;margin-left:auto}.learning-header nav svg{display:none}.learning-header .brand-mark{width:29px;height:29px}.learning-home,.case-library,.clinical-encounter{padding:28px 18px 20px}.home-intro{padding:8px 0 30px}.home-intro h1{letter-spacing:-1.8px;font-size:43px}.home-intro p{font-size:var(--pa-size-subheadline)}.case-eyebrow{font-size:var(--pa-size-micro);letter-spacing:1.2px}.mode-grid{grid-template-columns:1fr;gap:18px}.mode-card-bottom{flex-direction:row;align-items:center}.mode-copy h2{font-size:var(--pa-size-title)}.mode-visual{height:130px}.learning-footer{flex-direction:column;gap:5px;margin-top:25px}.library-heading{margin-top:29px}.library-heading h1{font-size:var(--pa-size-large-title)}.library-count{display:none}.library-case{grid-template-columns:1fr}.library-preview{height:230px;min-height:210px}.library-preview img{width:210px;height:210px}.library-case-copy{padding:25px}.library-case-copy h2{font-size:var(--pa-size-title)}.case-facts{font-size:var(--pa-size-caption2);gap:17px}.library-note{align-items:start}.library-note svg{flex-shrink:0}.encounter-title{align-items:start;gap:10px}.encounter-title h1{font-size:var(--pa-size-title)}.encounter-title>.case-tag{font-size:var(--pa-size-micro);margin-top:4px;padding:4px 6px}.encounter-top>span{font-size:var(--pa-size-micro)}.case-stepper{margin:22px 0 26px}.case-stepper button{min-height:49px}.stage-heading h2{font-size:var(--pa-size-title)}.stage-heading>p{font-size:var(--pa-size-caption)}.patient-introduction{padding:16px 17px}.patient-visit-tag{display:none}.patient-introduction h3{font-size:var(--pa-size-subheadline)}.patient-introduction h3 span,.patient-introduction p{font-size:var(--pa-size-caption2)}.interview-room{grid-template-columns:1fr 110px}.patient-response{padding:24px 18px}.patient-response blockquote{font-size:var(--pa-size-title3)}.symptom-map svg{width:90px;height:195px}.symptom-map small,.symptom-map>span{font-size:var(--pa-size-micro)}.history-questions>div:last-child{grid-template-columns:1fr}.history-questions button{min-height:72px}.decision-card{padding:20px 17px}.decision-card h3{font-size:var(--pa-size-title3)}.decision-options>button{gap:10px;padding:13px 11px}.decision-options strong{font-size:var(--pa-size-caption)}.case-stage-footer{gap:8px}.case-stage-footer .case-button{font-size:var(--pa-size-caption2);padding:11px 12px}.case-stage-footer small{font-size:var(--pa-size-micro)}.exam-card{padding:17px}.exam-card p{padding-left:0}.exam-card .case-button{margin-left:0}.mri-panes{grid-template-columns:1fr}.mri-viewport{height:330px}.mri-pane-toolbar>span{display:block}.mri-reader-heading{padding:10px 12px}.mri-reader-heading .case-tag,.mri-reader-foot{font-size:var(--pa-size-micro)}.radiology-report summary{font-size:var(--pa-size-caption);padding:15px}.radiology-report summary>span{display:none}.result-arrival{padding:13px}.result-arrival>svg:last-child{display:none}.working-diagnosis{padding:20px}.working-diagnosis h3{font-size:var(--pa-size-title2)}.case-practice-card{padding:20px}.followup-story{padding:22px}.followup-story blockquote{font-size:var(--pa-size-title3)}.followup-metrics{gap:8px}.followup-metrics>div{padding:14px 10px}.followup-metrics strong{font-size:var(--pa-size-title3)}.followup-metrics span{font-size:var(--pa-size-micro)}.followup-metrics small{font-size:var(--pa-size-caption2)}.debrief-hero{align-items:start;gap:15px;padding:23px}.debrief-mark{width:40px;height:40px}.debrief-mark svg{width:22px}.debrief-hero h3{font-size:var(--pa-size-title3)}.debrief-takeaways{padding:22px}.decision-review .section-title{flex-direction:column;align-items:start;gap:6px}.debrief-actions{flex-direction:column;align-items:stretch;gap:10px}.debrief-actions .case-text-button{justify-content:center;margin:0}.mri-expanded{inset:10px}.mri-expanded .mri-viewport{height:330px}.mri-expanded .mri-panes{grid-template-columns:1fr}.section-title>span{font-size:var(--pa-size-caption2)}.patient-chart{margin-top:12px}}@media (prefers-reduced-motion:reduce){.learning-app *{transition:none!important;animation:none!important}}.procedure-brief{color:#c9ccd4;font-size:var(--pa-size-subheadline);margin:20px 0;padding-left:22px;line-height:1.9}.procedure-receipt{border-radius:var(--pa-radius-lg);background:#32353a;border:1px solid #8d7751;margin:20px 0;padding:22px}.procedure-receipt p{font-size:var(--pa-size-subheadline);color:#c9ccd4;line-height:1.65}.us-mode{grid-column:1/-1}.us-mode-body{grid-template-columns:minmax(220px,.8fr) 1.2fr;align-items:center;display:grid}.us-mode-visual{flex-direction:column;justify-content:center;align-items:center;height:170px;display:flex}.us-mode-probe{border-radius:var(--pa-radius-sm) var(--pa-radius-sm) var(--pa-radius-xs) var(--pa-radius-xs);background:linear-gradient(#cfd1d6,#9599a0);width:74px;height:16px}.us-mode-image{background:repeating-linear-gradient(90deg, #ffffff07 0 1px, transparent 1px 4px), radial-gradient(ellipse at 50% 30%, #41444b, var(--pa-bg) 75%);border:1px solid #3c4048;width:150px;height:104px;position:relative}.us-mode-image i{border-radius:50%;position:absolute;left:12px;right:12px}.us-mode-tendon{border-top:5px solid #d4d6da88;height:30px;top:28px}.us-mode-bone{border-top:3px solid #f4f4f6;height:60px;top:54px;box-shadow:inset 0 18px 20px -6px #000}@media (width<=850px){.us-mode-body{grid-template-columns:1fr}}.home-learn-link{border:1px solid var(--case-line);border-radius:var(--pa-radius-lg);background:var(--pa-surface);color:var(--pa-text);align-items:center;gap:16px;margin:0 0 18px;padding:16px 18px;text-decoration:none;display:flex}.home-learn-link:hover{border-color:var(--pa-accent)}.home-learn-link>span:nth-child(2){flex-direction:column;flex:1;gap:4px;display:flex}.home-learn-link strong{font-size:var(--pa-size-callout)}.home-learn-link small{color:var(--pa-text-secondary);font-size:var(--pa-size-subheadline);line-height:1.45}.home-learn-link>svg{color:var(--pa-accent);flex:none}:root{font-family:var(--pa-font);color:var(--pa-text);background:var(--pa-bg);font-synthesis:none;font-weight:400;font-size:var(--pa-size-footnote);--muted:var(--pa-text-secondary);--line:var(--pa-hairline);--accent:var(--pa-accent);--panel:var(--pa-surface);--amber:var(--pa-amber)}*{box-sizing:border-box}body{min-width:360px;margin:0}button,input,a{-webkit-tap-highlight-color:transparent}button,a,input{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent)}button{font:inherit;cursor:pointer;color:inherit;background:0 0;border:0}button:disabled{opacity:.4;cursor:not-allowed}a{color:inherit;text-decoration:none}button,a{touch-action:manipulation}button svg{flex-shrink:0}button{transition:background .16s,color .16s,border-color .16s}p,h1,h2,h3{margin:0}canvas{display:block}svg{vertical-align:middle}button:hover:not(:disabled){color:var(--pa-text)}::selection{background:#8f774d}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-thumb{border-radius:var(--pa-radius-md);background:#3d4046}.topbar{border-bottom:1px solid var(--line);background:var(--pa-bg);align-items:center;gap:40px;height:72px;padding:0 32px;display:flex}.brand{letter-spacing:-.01em;align-items:center;gap:10px;min-height:44px;font-size:17px;font-weight:600;display:flex}.brand img{border-radius:7px;width:28px;height:28px}.topbar-nav{align-items:center;gap:4px;display:flex}.topbar-nav a{min-height:44px;color:var(--pa-text-secondary);align-items:center;padding:0 12px;font-size:15px;font-weight:500;transition:color .15s;display:inline-flex}.topbar-nav a:hover{color:var(--pa-text)}.topbar-nav a[aria-current=page]{color:var(--pa-text);box-shadow:inset 0 -2px 0 var(--pa-accent)}.topbar-right{align-items:center;gap:16px;margin-left:auto;display:flex}.icon-button{border-radius:var(--pa-radius-sm);color:#a3a6ae;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;display:inline-flex}.icon-button:hover:not(:disabled),.icon-button.active{color:var(--accent);background:#ffffff0b}.icon-button.small{width:26px;height:26px}.source-button{min-height:44px;color:var(--pa-text-secondary);align-items:center;gap:8px;font-size:14px;display:flex}.source-button:hover{color:var(--accent)}main{max-width:1800px;margin:auto;padding:28px 32px 0}.page-heading{justify-content:space-between;align-items:center;margin-bottom:26px;display:flex}.eyebrow{color:var(--pa-text-tertiary);align-items:center;gap:8px;font-size:13px;font-weight:500;display:flex}h1{letter-spacing:-.04em;margin-top:6px;font-size:clamp(32px,3vw,44px);font-weight:600;line-height:1.05}.page-heading p{color:var(--muted);max-width:64ch;margin-top:10px;font-size:15px}.case-label{border-left:1px solid var(--line);align-items:center;gap:13px;margin-top:12px;padding:12px 0 12px 18px;display:flex}.case-symbol{color:var(--pa-text-tertiary)}.case-label strong{font-size:var(--pa-size-footnote);font-weight:500}.case-label strong span{color:#555961;margin:0 5px}.case-label small{font-size:var(--pa-size-caption2);color:var(--pa-text-secondary);margin-top:7px;display:block}.case-label small span{margin:0 6px}.lab-grid{grid-template-columns:246px minmax(380px,1fr) 292px;gap:14px;height:620px;display:grid}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--pa-radius-md);overflow:hidden}.panel-heading{border-bottom:1px solid var(--line);height:47px;font-size:var(--pa-size-caption);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 15px;font-weight:550;display:flex}.panel-heading>span{align-items:center;gap:9px;display:flex}.panel-heading>span>svg{color:#a0a4ad}.controls-panel{flex-direction:column;display:flex}.control-tabs{background:var(--pa-bg);border:1px solid var(--pa-hairline);border-radius:999px;gap:4px;margin:15px 15px 0;padding:4px;display:flex}.control-tabs button{color:var(--pa-text-secondary);font-size:var(--pa-size-caption);border-radius:999px;flex:1;justify-content:center;align-items:center;gap:7px;padding:8px 0;font-weight:500;display:flex}.control-tabs button:first-child:nth-last-child(n+4) svg,.control-tabs button:first-child:nth-last-child(n+4)~button svg{display:none}.control-tabs button{min-width:0}.control-tabs button.active{background:var(--pa-text);color:var(--pa-bg)}.controls-scroll{scrollbar-gutter:stable;flex:1;padding:0 18px;overflow:auto}.control-section{border-bottom:1px solid var(--pa-hairline);padding:20px 0 18px}.control-section.last{border:0}.section-label{color:var(--pa-text-tertiary);font-size:12px;font-weight:500}.preset-group{gap:5px;margin-top:12px;display:flex}.preset-group button{color:var(--pa-text-secondary);border:1px solid var(--pa-hairline);font-size:var(--pa-size-caption);background:0 0;border-radius:999px;flex:1;padding:8px 0;font-weight:500}.preset-group button.active{border-color:var(--pa-text);color:var(--pa-bg);background:var(--pa-text)}.range-control+.range-control{margin-top:20px}.range-label{justify-content:space-between;align-items:center;gap:6px;margin-bottom:8px;display:flex}.range-label label{font-size:var(--pa-size-caption2);color:#babec4}.range-label output{font-size:var(--pa-size-caption);font-variant-numeric:tabular-nums;color:#ecedf1;font-weight:500}.range-label output span{color:var(--pa-text-secondary);font-size:var(--pa-size-caption2);font-weight:400}input[type=range]{appearance:none;border-radius:var(--pa-radius-xs);background:linear-gradient(to right, var(--pa-accent) 0%, var(--pa-accent) var(--range-fill), #363a42 var(--range-fill), #363a42 100%);cursor:pointer;width:100%;height:4px;margin:13px 0 7px;display:block}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:#f3dab0;border:1px solid #fae4bf;border-radius:50%;width:10px;height:10px;box-shadow:0 0 0 3px #212429}input[type=range]::-moz-range-thumb{background:#f3dab0;border:1px solid #fae4bf;border-radius:50%;width:10px;height:10px}.range-ends{color:var(--pa-text-tertiary);font-size:var(--pa-size-micro);justify-content:space-between;margin-top:9px;display:flex}.controls-hint{font-size:var(--pa-size-caption2);color:#999ea7;background:#1e2126;border-top:1px solid #303339;align-items:center;gap:9px;padding:13px 15px;line-height:1.7;display:flex}.controls-hint svg{color:#d5b886;flex-shrink:0}.control-note{font-size:var(--pa-size-caption2);color:#aaadb2;gap:9px;padding:18px 0;line-height:1.7;display:flex}.control-note svg{color:var(--amber);flex-shrink:0;margin-top:3px}.monitor-panel{background:#0b0c0f;flex-direction:column;display:flex}.monitor-heading{background:#1d1f23;padding:0 17px}.synthetic-label{color:#aaaeb7;border-radius:var(--pa-radius-xs);border:1px solid #44484f;margin-left:4px;padding:3px 5px;font-size:12px;font-weight:450}.monitor-tools{align-items:center;gap:7px;display:flex}.monitor-image{background:radial-gradient(#15171a,#08090b);flex:1;justify-content:center;align-items:center;min-height:0;display:flex;position:relative;overflow:hidden}.fluoro-canvas{object-fit:contain;width:100%;max-width:100%;height:100%;max-height:100%}.loading-state{text-align:center;background:#15171b;flex-direction:column;justify-content:center;align-items:center;gap:18px;padding:40px;display:flex;position:absolute;inset:0}.loading-state>svg{color:var(--accent)}.loading-state strong{font-size:var(--pa-size-footnote);font-weight:500}.loading-state p{color:var(--muted);max-width:310px;line-height:1.7;font-size:var(--pa-size-caption)}.spin{animation:5s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.acquisition-status{font-size:var(--pa-size-micro);letter-spacing:1.25px;color:#b6b9bf;align-items:center;gap:6px;font-weight:550;display:flex;position:absolute;top:17px;left:18px}.acquisition-status>span{background:#94979f;border-radius:50%;width:5px;height:5px}.acquisition-status.live{color:var(--amber)}.acquisition-status.live>span{background:var(--amber);box-shadow:0 0 10px #e8bc7866}.image-corner{font-size:var(--pa-size-micro);letter-spacing:.2px;pointer-events:none;text-shadow:0 1px 3px #000;flex-direction:column;gap:5px;display:flex;position:absolute}.image-corner strong{font-size:var(--pa-size-caption2);color:#cdd0d6;font-weight:550}.image-corner span{color:#848892}.top-right{text-align:right;top:18px;right:18px}.bottom-left{bottom:18px;left:18px}.bottom-right{text-align:right;bottom:18px;right:18px}.orientation{color:#cccfd4;font-size:var(--pa-size-caption2);pointer-events:none;text-shadow:0 1px 2px #000;line-height:1;position:absolute}.superior{top:10px;left:50%;transform:translate(-50%)}.inferior{bottom:11px;left:50%;transform:translate(-50%)}.left{top:50%;left:12px}.right{top:50%;right:12px}.reacquire-badge{color:#f4d9aa;border-radius:var(--pa-radius-sm);font-size:var(--pa-size-caption2);white-space:nowrap;background:#2e3137ec;border:1px solid #f6d1914d;align-items:center;gap:6px;padding:8px 12px;display:flex;position:absolute;bottom:26px;left:50%;transform:translate(-50%);box-shadow:0 3px 14px #0005}.image-settings{border-radius:var(--pa-radius-md);z-index:3;background:#212328f5;border:1px solid #4b4f58;width:230px;padding:12px 16px 16px;position:absolute;top:12px;right:12px;box-shadow:0 12px 30px #0005}.image-settings>div:first-child{justify-content:space-between;align-items:center;margin-bottom:17px;display:flex}.image-settings strong{font-size:var(--pa-size-caption);font-weight:550}.image-settings p{font-size:var(--pa-size-caption2);color:#a9adb7;margin-top:17px;line-height:1.6}.acquisition-bar{background:#1e2125;border-top:1px solid #353940;align-items:center;gap:9px;padding:12px 15px;display:flex}.expose-button{background:var(--pa-accent-fill);color:var(--pa-on-accent);min-height:40px;font-size:var(--pa-size-caption);-webkit-user-select:none;user-select:none;touch-action:none;border:1px solid #0000;border-radius:999px;flex:1;justify-content:center;align-items:center;gap:9px;font-weight:600;display:flex}.expose-button:hover:not(:disabled){color:var(--pa-on-accent);background:#ffb84d}.expose-button.exposing{background:var(--pa-exposure);color:#131417;border-color:#fff0b0;box-shadow:0 0 0 4px #ffd84d38,0 0 24px #ffd84d59}.expose-button kbd{font-size:var(--pa-size-micro);border-radius:var(--pa-radius-xs);border:1px solid #1b120459;margin-left:2px;padding:3px 5px;font-family:inherit;font-weight:450}.capture-button{border-radius:var(--pa-radius-sm);height:38px;font-size:var(--pa-size-caption2);color:#ced1d6;border:1px solid #50545c;justify-content:center;align-items:center;gap:6px;padding:0 13px;display:flex}.capture-button:hover:not(:disabled){background:#343840}.live-button{border-radius:var(--pa-radius-sm);color:#b1b5bb;height:38px;font-size:var(--pa-size-caption2);align-items:center;gap:6px;padding:0 8px;display:flex}.live-button.active{color:var(--amber);background:#6d50252b}.monitor-footer{height:29px;font-size:var(--pa-size-micro);color:var(--pa-text-secondary);letter-spacing:.15px;background:var(--pa-surface);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 17px;display:flex}.monitor-footer>span{align-items:center;gap:6px;display:flex}.tiny-dot{background:#e5c182;border-radius:50%;width:4px;height:4px}.monitor-footer b{color:#b5b9c1;font-variant-numeric:tabular-nums;font-weight:500}.muted-divider{color:var(--pa-text-tertiary);margin:0 2px}.anatomy-panel{flex-direction:column;display:flex}.patient-library{border:1px solid var(--line);border-radius:var(--pa-radius-md);background:var(--pa-surface);margin:0 0 18px;overflow:hidden}.patient-library-bar{padding:13px 16px}.patient-select{color:#f1d096;align-items:center;gap:12px;display:flex}.patient-select label{font-size:var(--pa-size-caption);color:#e1e3e7;white-space:nowrap}.patient-select label small{color:#9196a0;font-size:var(--pa-size-caption2);margin-top:3px;display:block}.patient-select select{border-radius:var(--pa-radius-sm);min-width:200px;max-width:420px;color:var(--pa-text);font:inherit;font-size:var(--pa-size-caption);background:#1d2028;border:1px solid #494d56;flex:1;padding:9px}.patient-focus{font-size:var(--pa-size-caption2);color:#c4b293;margin-left:auto}.patient-library-bar>p{color:#a0a5ae;font-size:var(--pa-size-caption2);margin:9px 0 0 30px;line-height:1.5}.patient-library summary{cursor:pointer;color:#cdbea5;font-size:var(--pa-size-caption2);border-top:1px solid var(--line);align-items:center;gap:7px;padding:10px 16px;display:flex}.patient-library summary>span{font-size:var(--pa-size-caption2);color:var(--pa-text-secondary);margin-left:auto}.patient-cards{grid-template-columns:repeat(auto-fit,minmax(205px,1fr));gap:10px;padding:5px 14px 14px;display:grid}.patient-card{text-align:left;border-radius:var(--pa-radius-sm);background:#14161a;border:1px solid #353940;align-items:center;gap:10px;padding:7px;display:flex}.patient-card[aria-pressed=true]{background:#32353b;border-color:#f0ce92}.patient-card img{object-fit:contain;border-radius:var(--pa-radius-sm);background:#0a0b0d;width:68px;height:68px}.patient-card small{font-size:var(--pa-size-micro);color:var(--pa-text-secondary);letter-spacing:.4px;display:block}.patient-card strong{font-size:var(--pa-size-caption);color:#dde0e6;margin:5px 0;font-weight:500;display:block}.patient-card span{font-size:var(--pa-size-caption2);color:var(--pa-accent);display:block}.patient-library-credit{color:#9ea3ac;font-size:var(--pa-size-caption2);margin:0;padding:0 16px 14px;line-height:1.6}.patient-library-credit a{color:#f1d096;text-decoration:underline}.procedure-numbering{border-top:1px solid var(--line);color:#dfbd7b;font-size:var(--pa-size-caption2);margin:0;padding:9px 16px;line-height:1.6}.patient-library-note{color:#9ea3ac;font-size:var(--pa-size-caption2);border-top:1px solid var(--line);background:#15171c;margin:0;padding:10px 16px;line-height:1.6}@media (width<=650px){.patient-select{flex-wrap:wrap;gap:9px}.patient-select select{flex-basis:100%;order:4;min-width:0;max-width:none}.patient-focus{font-size:var(--pa-size-caption2)}.patient-library-bar>p{margin-left:0}.patient-library summary>span{font-size:var(--pa-size-micro)}}.linked-badge{color:#dbbd8a;font-size:12px;display:flex;gap:5px!important}.linked-badge>span{background:#dbbd8a;border-radius:50%;width:4px;height:4px}.anatomy-viewport{background:radial-gradient(ellipse at 50% 48%, var(--pa-hairline), var(--pa-surface));flex:1;height:280px;min-height:230px;position:relative}.anatomy-viewport canvas{cursor:grab;width:100%;height:100%}.anatomy-viewport canvas:active{cursor:grabbing}.anatomy-view-label{font-size:var(--pa-size-micro);letter-spacing:1.2px;color:#9296a0;pointer-events:none;position:absolute;top:13px;left:14px}.anatomy-view-label>span{color:#f1c984;border-radius:var(--pa-radius-xs);border:1px solid #f1c9843b;margin-left:9px;padding:2px 3px}.camera-reset{position:absolute;top:6px;right:7px}.orbit-hint{width:100%;font-size:var(--pa-size-micro);letter-spacing:.2px;color:#9ca1aa;pointer-events:none;justify-content:center;align-items:center;gap:6px;display:flex;position:absolute;bottom:12px;left:0}.anatomy-legend{font-size:var(--pa-size-micro);color:#9ca0aa;border-top:1px solid #303339;border-bottom:1px solid #303339;flex-shrink:0;justify-content:center;align-items:center;gap:15px;height:32px;display:flex}.anatomy-legend span{align-items:center;gap:6px;display:flex}.anatomy-legend i{width:9px;height:2px;display:block}.legend-needle{background:var(--amber)}.legend-beam{background:var(--pa-accent)}.legend-nerve{background:#ffd36a}.anatomy-heading-actions{align-items:center;gap:10px;display:flex}.nerve-labels{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.branch-medial{background:#ff927f}.branch-dorsal{background:#edb85c}.branch-spinal{background:#ffe3a0}.branch-lateral{background:#c8b58a}.branch-legend{font-size:var(--pa-size-caption2);color:#c4c6c9;gap:5px;margin-top:12px;display:grid}.branch-legend span{align-items:center;gap:6px;display:flex}.branch-legend i{border-radius:var(--pa-radius-xs);width:13px;height:3px}.nerve-teaching-note{color:#dcc1ad;border-radius:var(--pa-radius-sm);font-size:var(--pa-size-caption2);background:#ff927f0d;border:1px solid #ff927f40;margin:10px 0 0;padding:7px 9px;line-height:1.6}.nerve-modes button{font-size:var(--pa-size-caption2);padding:8px 0}.nerve-bone-opacity{margin-top:14px;margin-bottom:14px}.nerve-bone-opacity .range-label{margin-bottom:10px}.nerve-sides,.nerve-views{margin-top:8px}.nerve-views button{font-size:var(--pa-size-micro)}.anatomy-panel:fullscreen{background:var(--pa-surface);border:0;border-radius:0;grid-template-rows:48px auto minmax(0,1fr) 34px;grid-template-columns:minmax(0,1fr) 300px;width:100vw;height:100dvh;display:grid}.anatomy-panel:fullscreen>.panel-heading{grid-column:1/-1}.anatomy-panel:fullscreen .anatomy-model-bar{grid-column:1/-1;align-items:center;gap:20px;display:flex}.anatomy-panel:fullscreen .anatomy-model-switch{width:265px}.anatomy-panel:fullscreen .anatomy-model-description{margin:0}.anatomy-panel:fullscreen .anatomy-viewport{grid-area:3/1;height:100%;min-height:0}.anatomy-panel:fullscreen .anatomy-controls{border-left:1px solid var(--line);grid-area:3/2/5;height:auto}.anatomy-panel:fullscreen .anatomy-legend{grid-area:4/1}@media (width<=650px){.anatomy-panel:fullscreen{grid-template-rows:48px auto minmax(220px,1fr) 34px 220px;grid-template-columns:minmax(0,1fr)}.anatomy-panel:fullscreen .anatomy-controls{grid-area:5/1}.anatomy-panel:fullscreen .anatomy-model-bar{flex-wrap:wrap;gap:8px}}.anatomy-model-bar{border-bottom:1px solid var(--line);background:#1b1e24;padding:10px 12px}.anatomy-model-switch{gap:4px;display:flex}.anatomy-model-switch button{font-size:var(--pa-size-caption2);border-radius:var(--pa-radius-sm);color:#bbbfc7;background:#1e2127;border:1px solid #484c55;flex:1;padding:8px 6px}.anatomy-model-switch button[aria-pressed=true]{color:#fae3bc;background:#44484f;border-color:#e6c387}.anatomy-model-switch button:disabled{opacity:.45;cursor:wait}.anatomy-model-description{color:#bcc0c7;font-size:var(--pa-size-caption2);margin:8px 0 0}.anatomy-camera-link,.teaching-nerves-link{color:var(--pa-accent);font-size:var(--pa-size-caption2);align-items:center;gap:6px;margin-top:8px;display:flex}.anatomy-camera-link[aria-pressed=true]{color:#f8e1ba}.anatomy-model-note{color:#c5c8d0;font-size:var(--pa-size-caption2);margin:0 0 12px;line-height:1.6}.anatomy-controls>.anatomy-model-note{padding:12px}.anatomy-procedure-follow{font-size:var(--pa-size-caption2);color:#e7d2af;align-items:center;gap:7px;margin:10px 0 14px;display:flex}.anatomy-procedure-follow input{accent-color:#e4c288}.anatomy-controls{scrollbar-width:thin;scrollbar-color:#4b4f55 transparent;flex-shrink:0;height:280px;overflow-y:auto}.nerve-reference-badge{color:#ffda8b;font-size:var(--pa-size-micro);letter-spacing:.45px;pointer-events:none;border-radius:var(--pa-radius-xs);background:#1c1e23e6;border:1px solid #a4833e40;align-items:center;gap:5px;width:fit-content;padding:4px 5px;display:flex;position:absolute;top:35px;left:14px;right:14px}.nerve-controls{border-bottom:1px solid var(--line);padding:12px 14px}.nerve-controls.enabled{background:#302a1b30}.nerve-toggle{text-align:left;color:#afb3bb;align-items:center;gap:9px;width:100%;display:flex}.nerve-toggle>span{flex:1}.nerve-toggle strong{font-size:var(--pa-size-caption);color:#d8dadf;font-weight:500;display:block}.nerve-toggle small{font-size:var(--pa-size-micro);color:#9499a2;margin-top:3px;display:block}.nerve-toggle[aria-checked=true]{color:#ffd36a}.toggle-track{border-radius:var(--pa-radius-lg);background:#3e4148;flex-shrink:0;width:29px;height:17px;padding:3px}.toggle-track>i{background:#abafb8;border-radius:50%;width:11px;height:11px;transition:transform .15s;display:block}.nerve-toggle[aria-checked=true] .toggle-track{background:#876b32}.nerve-toggle[aria-checked=true] .toggle-track>i{background:#ffe2a2;transform:translate(12px)}.nerve-focus{gap:4px;margin-top:12px;display:flex}.nerve-focus button{border-radius:var(--pa-radius-sm);font-size:var(--pa-size-caption2);color:#aeb1b7;border:1px solid #424346;flex:1;padding:6px 0}.nerve-focus button[aria-pressed=true]{color:#ffdc90;background:#6b55242b;border-color:#b5945075}.nerve-options-row{font-size:var(--pa-size-caption2);color:#c7c9cd;justify-content:space-between;align-items:center;gap:5px;margin-top:10px;display:flex}.nerve-options-row label{cursor:pointer;align-items:center;gap:5px;display:flex}.nerve-options-row input{accent-color:#e6bd68;width:12px;height:12px;margin:0}.nerve-source-link{font-size:var(--pa-size-micro);color:#bfb38e;align-items:center;gap:4px;display:flex}.nerve-disclosure{font-size:var(--pa-size-micro);color:#a89f89;margin-top:9px;line-height:1.6}.structure-list{padding:14px 13px 10px}.anatomy-resolution-note{border:1px solid var(--pa-note-stroke);border-radius:var(--pa-radius-sm);background:var(--pa-note-fill);color:var(--pa-note-text);font-size:var(--pa-size-caption2);margin:10px 0 0;padding:8px 10px;line-height:1.5}.anatomy-resolution-note strong{color:#e4cb8e;margin-bottom:3px;font-weight:600;display:block}.structure-heading{justify-content:space-between;align-items:center;margin-bottom:9px;padding-left:3px;display:flex}.structure-heading button{font-size:var(--pa-size-micro);color:#d3be99;padding:2px}.structure-row{border-radius:var(--pa-radius-sm);border:1px solid #0000;align-items:center;gap:4px;margin-top:2px;display:flex}.structure-row:hover{background:#2f323855}.structure-row.selected{background:#3a3d445e;border-color:#e5c18347}.structure-select{text-align:left;font-size:var(--pa-size-caption2);color:#c7c9ce;flex:1;align-items:center;gap:9px;padding:5px 4px;display:flex}.vertebra-icon{font-size:var(--pa-size-micro);color:#bfc3cd;background:var(--pa-hairline);border-radius:var(--pa-radius-sm);text-align:center;border:1px solid #474b53;min-width:27px;padding:4px 5px}.structure-row.selected .vertebra-icon{color:#f8ddaf;background:#816d4a;border-color:#a58b5e}.structure-select>svg{color:var(--accent);margin-left:auto}.structure-row.hidden-bone .structure-select{opacity:.35}.structure-row>.icon-button{color:#888d96;margin-right:3px}.filmstrip{align-items:center;gap:17px;height:116px;margin-top:14px;padding:13px 16px;display:flex}.filmstrip-title{border-right:1px solid var(--line);flex-direction:column;align-self:stretch;min-width:192px;padding:4px 20px 3px 0;display:flex}.filmstrip-title>div{align-items:center;gap:8px;display:flex}.filmstrip-title strong{font-size:var(--pa-size-caption);font-weight:550}.filmstrip-title svg{color:#9ea2aa}.filmstrip-title>div>span{font-size:var(--pa-size-caption2);color:#d6c9b3;border-radius:var(--pa-radius-sm);background:#363940;border:1px solid #6b5d44;margin-left:auto;padding:3px 5px}.filmstrip-title p{font-size:var(--pa-size-micro);color:#9da1aa;margin-top:10px;line-height:1.6}.history-limit{font-size:var(--pa-size-micro);color:var(--pa-text-tertiary);letter-spacing:.4px;margin-top:auto}.filmstrip-items{flex:1;align-items:center;gap:10px;min-width:0;height:100%;display:flex;overflow-x:auto}.empty-history{color:#72767f;align-items:center;gap:13px;width:100%;padding:0 18px;display:flex}.empty-history>div{font-size:var(--pa-size-caption2);color:#a8acb4;white-space:nowrap;line-height:1.6}.empty-history>div>span{font-size:var(--pa-size-caption2);color:var(--pa-text-tertiary);display:block}.empty-history-line{background:linear-gradient(90deg,#3e4248,#2e313744);flex:1;height:1px;margin-left:16px}.film-frame{border-radius:var(--pa-radius-sm);background:#0a0b0d;border:1px solid #3f424a;min-width:90px;height:87px;padding:0;position:relative;overflow:hidden}.film-frame img{object-fit:contain;opacity:.9;width:100%;height:66px;display:block}.film-frame>span{font-size:var(--pa-size-micro);white-space:nowrap;color:#afb3bb;background:#23252b;align-items:center;gap:5px;max-width:105px;padding:4px 6px;display:flex}.film-frame b{font-size:var(--pa-size-micro);color:#80858e;font-weight:450}.film-frame.selected{border-color:#e9c588;box-shadow:0 0 0 1px #e9c58833}.film-frame.selected>span{color:#f6d9a7;background:#41454c}.export-button{margin-left:0}.page-footer{font-size:var(--pa-size-micro);color:#838891;justify-content:space-between;align-items:center;gap:15px;padding:16px 0 18px;line-height:1.7;display:flex}.page-footer>span{align-items:center;gap:6px;display:flex}.page-footer>button{font-size:var(--pa-size-micro);color:#969ba4;white-space:nowrap;align-items:center;gap:6px;display:flex}.page-footer>button span{color:#5f636c}.info-dialog{border-radius:var(--pa-radius-lg);color:#ced2d8;background:#1f2227;border:1px solid #4f535b;width:560px;max-width:calc(100vw - 36px);max-height:85dvh;padding:0;box-shadow:0 20px 100px #0008}.info-dialog::backdrop{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#0a0c10c9}.dialog-content{padding:38px;position:relative}.dialog-close{position:absolute;top:14px;right:14px}.info-dialog h2{font-size:var(--pa-size-title);letter-spacing:-.8px;color:#f2f3f5;margin:17px 0 18px;font-weight:500}.info-dialog h3{font-size:var(--pa-size-footnote);color:#e1e3e7;margin:22px 0 9px;font-weight:600}.info-dialog p{font-size:var(--pa-size-footnote);color:#b5b9c2;margin:10px 0;line-height:1.8}.info-dialog ol{line-height:1.8;font-size:var(--pa-size-footnote);color:#acb1ba;padding-left:21px}.info-dialog li{margin:12px 0;padding-left:3px}.info-dialog li strong{color:#dde0e6;font-weight:550}.info-dialog .dialog-note{font-size:var(--pa-size-caption2);border:1px solid var(--pa-note-stroke);border-radius:var(--pa-radius-sm);background:var(--pa-note-fill);color:var(--pa-note-text);margin:24px 0;padding:10px 13px}.source-links{flex-direction:column;gap:9px;margin:13px 0;display:flex}.source-links a{color:var(--pa-accent);font-size:var(--pa-size-caption);align-items:center;gap:8px;display:flex}.primary-button,.secondary-button{font-size:var(--pa-size-footnote);background:var(--pa-accent-fill);color:var(--pa-on-accent);border-radius:999px;justify-content:center;align-items:center;gap:9px;margin-top:26px;padding:12px 17px;font-weight:550;display:flex}.secondary-button{color:#d9dde6;background:#353941;border:1px solid #5c6169}.monitor-panel:fullscreen{border:0;border-radius:0;width:100vw;height:100dvh}.monitor-panel:fullscreen .monitor-image{flex:1}.monitor-panel:fullscreen .acquisition-bar{justify-content:center}.monitor-panel:fullscreen .expose-button{flex:0 300px}@media (width>=1600px){.lab-grid{grid-template-columns:270px minmax(450px,1fr) 340px;height:690px}.anatomy-viewport{min-height:295px}.panel-heading{font-size:var(--pa-size-footnote)}.range-label label{font-size:var(--pa-size-caption)}.structure-select{font-size:var(--pa-size-caption);padding-top:7px;padding-bottom:7px}.control-section{padding:23px 0}.controls-scroll{padding:0 20px}.control-tabs{margin:17px 20px 0}}@media (width<=1200px){main{padding:22px 20px 0}.topbar{padding:0 20px}.lab-grid{grid-template-columns:218px minmax(350px,1fr) 246px;gap:10px}.panel-heading{font-size:var(--pa-size-caption2);padding:0 11px}.linked-badge{font-size:var(--pa-size-micro)}.controls-scroll{padding:0 14px}.control-tabs{margin-left:12px;margin-right:12px}.case-label{font-size:var(--pa-size-caption2)}.structure-select{font-size:var(--pa-size-caption2);gap:7px}.structure-heading .section-label{font-size:var(--pa-size-micro)}.expose-button kbd{display:none}.acquisition-bar{gap:6px;padding:11px 10px}.capture-button{padding:0 9px}.capture-button span{display:none}.anatomy-view-label{font-size:var(--pa-size-micro)}.case-label strong{font-size:var(--pa-size-caption)}}@media (width<=1000px){.lab-grid{grid-template-columns:220px minmax(340px,1fr);align-items:stretch;height:auto}.controls-panel,.monitor-panel{height:620px}.anatomy-panel{grid-column:1/-1;grid-template-rows:47px 350px;grid-template-columns:1fr 1fr;display:grid}.anatomy-panel>.panel-heading{grid-column:1/-1}.anatomy-viewport{grid-row:2;height:100%;min-height:270px}.anatomy-legend{display:none}.anatomy-controls{grid-area:2/2;height:350px}.structure-select{font-size:var(--pa-size-caption)}.case-label{display:none}.page-footer{flex-wrap:wrap;gap:5px}.filmstrip-title{min-width:160px}.filmstrip-title p,.anatomy-view-label{font-size:var(--pa-size-micro)}}@media (width<=760px){.topbar-nav{display:none}}@media (width<=650px){.topbar{height:58px;padding:0 16px}.topbar-right{gap:8px}.source-button{font-size:var(--pa-size-caption2)}.brand{font-size:var(--pa-size-title3)}main{padding:23px 12px 0}.page-heading{margin-bottom:20px}h1{font-size:var(--pa-size-large-title)}.eyebrow{font-size:var(--pa-size-micro);letter-spacing:1.3px}.page-heading p{font-size:var(--pa-size-caption)}.lab-grid{grid-template-columns:1fr}.monitor-panel{grid-row:1;height:540px}.controls-panel{height:440px}.anatomy-panel{grid-column:auto;height:660px;display:flex}.anatomy-viewport{height:310px}.anatomy-controls{height:280px}.anatomy-legend{display:flex}.structure-select{font-size:var(--pa-size-caption)}.filmstrip{gap:10px;height:142px;padding:12px}.filmstrip-title{width:102px;min-width:102px;padding-right:10px}.filmstrip-title strong{font-size:var(--pa-size-caption2)}.filmstrip-title svg{display:none}.filmstrip-title>div{gap:3px}.filmstrip-title p{font-size:var(--pa-size-micro)}.empty-history{gap:10px;padding:0 5px}.empty-history>svg,.empty-history-line{display:none}.empty-history>div{white-space:normal}.export-button{width:20px}.dialog-content{padding:33px 24px}.info-dialog h2{font-size:var(--pa-size-title2)}.page-footer{font-size:var(--pa-size-micro)}.expose-button kbd,.capture-button span{display:block}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}.direct-placement{border-bottom:1px solid var(--line);padding:17px 0 16px}.placement-actions{align-items:center;gap:5px;margin-top:10px;display:flex}.placement-actions .placement-feedback{flex:1;margin-top:0}.coaxial-button{border-radius:var(--pa-radius-sm);color:#f9deaf;width:100%;font-size:var(--pa-size-caption);background:#4b4f5780;border:1px solid #edc78675;justify-content:center;align-items:center;gap:8px;padding:10px 8px;display:flex}.coaxial-button:hover:not(:disabled){background:#7d6946}.direct-placement .coaxial-help{color:#9fa4ae;font-size:var(--pa-size-caption2);margin:8px 0 16px}.direct-placement p{font-size:var(--pa-size-caption2);color:#c0c4cb;margin-top:12px;line-height:1.7}.direct-placement .placement-depth{color:#9fa4ae;font-size:var(--pa-size-caption2);margin-top:8px}.placement-feedback{border:1px solid rgba(var(--pa-accent-rgb), .3);border-radius:var(--pa-radius-sm);background:rgba(var(--pa-accent-rgb), .08);color:#f7e1bb;font-size:var(--pa-size-caption2);margin-top:13px;padding:8px 10px;line-height:1.65}.fluoro-canvas.place-needle,.anatomy-viewport canvas.place-needle{cursor:crosshair}.needle-tip-overlay,.teaching-target-overlay{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.needle-tip-overlay circle,.needle-tip-overlay path{fill:none;stroke:#f6ca82;stroke-width:1.5px;filter:drop-shadow(0 1px 1px #000)}.needle-tip-overlay text{fill:#f6ca82;letter-spacing:1px;stroke:#202329;stroke-width:2px;paint-order:stroke;font:9px sans-serif}.procedure-panel{margin-bottom:14px;overflow:visible}.procedure-toolbar{flex-wrap:wrap;align-items:center;gap:16px;padding:12px 16px;display:flex}.procedure-title{color:#f3d39c;min-width:142px;font-size:var(--pa-size-caption);align-items:center;gap:9px;display:flex}.procedure-title small{color:#90949e;font-size:var(--pa-size-micro);margin-top:3px;display:block}.procedure-select{color:#9ca1aa;font-size:var(--pa-size-micro);flex-direction:column;gap:4px;display:flex}.procedure-select select{color:#dddfe5;border-radius:var(--pa-radius-sm);font:inherit;font-size:var(--pa-size-caption);background:#1e2127;border:1px solid #484d55;max-width:265px;padding:7px 27px 7px 9px}.procedure-select select:focus-visible{outline-offset:2px;outline:2px solid #f7d8a1}.procedure-select option:disabled{color:var(--pa-text-secondary)}.level-select select{width:195px}.side-select select{width:83px}.target-visibility{font-size:var(--pa-size-caption2);color:#c2c5ce;flex-wrap:wrap;gap:11px;display:flex}.target-visibility label{cursor:pointer;align-items:center;gap:5px;display:flex}.target-visibility input{accent-color:#f7d69c;width:13px;height:13px;margin:0}.draft-target-badge{color:#b6bacd;border-radius:var(--pa-radius-xs);font-size:var(--pa-size-micro);letter-spacing:.8px;white-space:nowrap;background:#2a2e3638;border:1px solid #64687155;margin-left:auto;padding:5px 7px}.target-practice{border-top:1px solid var(--line);align-items:center;gap:16px;padding:10px 16px;display:flex}.target-list{flex:1;gap:8px;min-width:0;display:flex}.target-choice{text-align:left;border-radius:var(--pa-radius-sm);color:#aeb2bb;border:1px solid #3f434b;flex:1;align-items:center;gap:9px;padding:8px 10px;display:flex}.target-choice>span{color:#eed19f;width:20px;height:20px;font-size:var(--pa-size-caption2);border:1px solid #947e59;border-radius:50%;flex-shrink:0;place-items:center;display:grid}.target-choice strong{font-size:var(--pa-size-caption2);font-weight:500;display:block}.target-choice small{font-size:var(--pa-size-micro);color:#9da2ac;margin-top:2px;line-height:1.5;display:block}.target-choice[aria-pressed=true]{color:#f7e1bb;background:#484c543b;border-color:#f7d59a73}.target-metric{min-width:160px}.target-metric span,.target-metric small{font-size:var(--pa-size-micro);color:#9499a3;display:block}.target-metric strong{font-size:var(--pa-size-callout);font-variant-numeric:tabular-nums;color:#dac8aa;font-weight:400;line-height:1.5}.target-center{font-size:var(--pa-size-caption2);color:#eace9d;border-radius:var(--pa-radius-sm);cursor:pointer;background:#202329;border:1px solid #3a3e46;align-items:center;gap:5px;margin-top:6px;padding:4px 8px;display:inline-flex}.target-center:hover:not(:disabled){color:#f7e1bb;border-color:#f7d59a73}.target-center:disabled{opacity:.45;cursor:default}.target-evidence{min-width:180px;position:relative}.target-evidence summary{cursor:pointer;color:#b5bac4;font-size:var(--pa-size-caption2);align-items:center;gap:7px;padding:7px 0;display:flex}.target-evidence[open]>div{overscroll-behavior:contain;z-index:25;border-radius:var(--pa-radius-sm);width:360px;max-width:85vw;max-height:min(65vh,620px);font-size:var(--pa-size-caption);color:#cacdd4;background:#20242b;border:1px solid #5c616a;padding:16px;line-height:1.7;position:absolute;top:31px;right:0;overflow-y:auto;box-shadow:0 12px 36px #0007}.target-evidence p+p{margin-top:9px}.target-evidence button,.validation-link{color:#f6d49a;font-size:var(--pa-size-caption);align-items:center;gap:5px;margin-top:12px;display:inline-flex}.target-reference{color:#9ea2ac;font-size:var(--pa-size-caption2)}.target-ct-review{border-radius:var(--pa-radius-sm);border:1px solid #50545d;width:100%;height:auto;margin:12px 0;display:block}.teaching-target-overlay g{opacity:.5}.teaching-target-overlay g.selected{opacity:1}.teaching-target-overlay circle,.teaching-target-overlay path{fill:none;stroke:#f8d9a5;stroke-width:1.5px;filter:drop-shadow(0 1px 1px #000)}.teaching-target-overlay circle{stroke-dasharray:3 2}.teaching-target-overlay text{fill:#f9e2b9;stroke:#1b1e25;stroke-width:3px;paint-order:stroke;font:700 11px sans-serif}.teaching-target-overlay g.flagged circle,.teaching-target-overlay g.flagged path{stroke:#ff8f6b}.teaching-target-overlay g.flagged circle{stroke-dasharray:1.5 2.5}.teaching-target-overlay g.flagged text{fill:#ff8f6b}.target-image-flagged{color:var(--pa-amber)}.target-image-badge{color:#edcf9b;border-radius:var(--pa-radius-xs);font-size:var(--pa-size-micro);letter-spacing:.65px;pointer-events:none;background:#171a20c7;padding:4px 5px;position:absolute;top:49px;left:20px}.target-3d-badge{font-size:var(--pa-size-micro);letter-spacing:.3px;color:#f8dbaa;border-radius:var(--pa-radius-xs);pointer-events:none;background:#1d2028cc;padding:4px 5px;position:absolute;top:36px;left:14px}.target-3d-badge.below-nerves{top:63px}.preset-note{font-size:var(--pa-size-micro);color:#989da7;margin-top:10px;line-height:1.6}@media (width<=1200px){.procedure-toolbar{gap:10px}.draft-target-badge{display:none}.target-practice{gap:10px}.target-choice{padding:7px}.target-choice small{font-size:var(--pa-size-micro)}}@media (width<=850px){.target-practice{flex-wrap:wrap}.target-list{flex-basis:100%}.target-evidence{margin-left:auto}.procedure-title{min-width:120px}}@media (width<=650px){.procedure-toolbar{padding:12px}.procedure-title{flex-basis:100%}.procedure-select select{max-width:100%}.procedure-select:not(.level-select):not(.side-select){width:100%}.level-select{flex:1}.level-select select{width:100%}.target-list{flex-direction:column}.target-practice{padding:10px 12px}.target-evidence{margin-left:0}.target-evidence[open]>div{width:300px;left:0;right:auto}.target-image-badge{font-size:var(--pa-size-micro);top:42px;left:12px}}.target-review-finding{border:1px solid var(--pa-note-stroke);border-radius:var(--pa-radius-sm);color:var(--pa-note-text);background:var(--pa-note-fill);font-size:var(--pa-size-footnote);margin:12px 16px;padding:10px 12px;line-height:1.6}.target-review-finding strong{color:var(--amber,var(--pa-amber))}.target-evidence .target-review-finding,dialog .target-review-finding{margin-inline:0}.target-evidence ul{padding-left:18px}.target-evidence li+li{margin-top:6px}.legend-teaching-needle{background:#8cddff}.practice-mode{border-radius:var(--pa-radius-md);background:#16181d;border:1px solid #3a3e46;gap:4px;margin-bottom:8px;padding:3px;display:inline-flex}.practice-mode button{font-size:var(--pa-size-caption2);color:#9499a3;border-radius:var(--pa-radius-sm);cursor:pointer;background:0 0;border:0;align-items:center;gap:5px;padding:4px 9px;display:inline-flex}.practice-mode button[aria-pressed=true]{color:#f7e1bb;background:#2b2e36}.level-finder{flex:1;min-width:240px}.level-hint{font-size:var(--pa-size-caption);color:#b4b8c1;margin:0 0 8px;line-height:1.5}.level-result{font-size:var(--pa-size-caption2);color:#f7e1bb;background:rgba(var(--pa-accent-rgb), .08);border:1px solid rgba(var(--pa-accent-rgb), .3);border-radius:var(--pa-radius-sm);margin:8px 0 0;padding:8px 10px;line-height:1.5}.level-count{font-size:var(--pa-size-caption2);color:#9499a3;margin-top:6px;display:block}.contact-note{font-size:var(--pa-size-micro);color:var(--pa-safety-text);background:var(--pa-safety-fill);border:1px solid var(--pa-safety-stroke);border-radius:var(--pa-radius-sm);margin:8px 0 0;padding:7px 9px;line-height:1.45}.contact-note strong{color:#ffb3a3}.room-panel .panel-heading{border-bottom:1px solid var(--pa-hairline);align-items:center;gap:10px;padding:12px 16px;display:flex}.room-panel .panel-heading>span{font-weight:600;font-size:var(--pa-size-footnote);flex-direction:column;align-items:flex-start;display:flex}.room-panel .panel-heading small{font-weight:400;font-size:var(--pa-size-caption2);color:#9499a3}.room-presets{border-radius:var(--pa-radius-md);background:#16181d;border:1px solid #3a3e46;gap:4px;margin-left:auto;padding:3px;display:inline-flex}.room-presets button{font-size:var(--pa-size-caption2);color:#9499a3;border-radius:var(--pa-radius-sm);cursor:pointer;background:0 0;border:0;padding:4px 9px}.room-presets button[aria-pressed=true]{color:#f7e1bb;background:#2b2e36}.tap-mode{border-radius:var(--pa-radius-md);background:#16181d;border:1px solid #3a3e46;gap:4px;margin-top:10px;padding:3px;display:flex}.tap-mode button{font-size:var(--pa-size-caption);color:#9499a3;border-radius:var(--pa-radius-sm);flex:1;padding:6px 8px}.tap-mode button[aria-pressed=true]{color:var(--pa-text);background:#303339}.room-viewport{position:relative}.room-viewport canvas{border-radius:0 0 var(--pa-radius-lg) var(--pa-radius-lg);width:100%;height:520px;display:block}.room-note{max-width:70%;font-size:var(--pa-size-caption2);color:#b4b8c1;border-radius:var(--pa-radius-sm);background:#15171abf;margin:0;padding:6px 8px;line-height:1.4;position:absolute;bottom:10px;left:12px}.contrast-controls{flex-wrap:wrap;align-items:center;gap:6px;margin-top:10px;display:flex}.contrast-controls .section-label{width:100%}.contrast-controls small{width:100%;font-size:var(--pa-size-micro);color:#9499a3}.contrast-note{font-size:var(--pa-size-micro);color:#f7e1bb;background:rgba(var(--pa-accent-rgb), .08);border:1px solid rgba(var(--pa-accent-rgb), .3);border-radius:var(--pa-radius-sm);margin:8px 0 0;padding:7px 9px;line-height:1.45}.contrast-note.warn{color:var(--pa-safety-text);background:var(--pa-safety-fill);border-color:var(--pa-safety-stroke)}.attempt-actions{gap:6px;margin:0 8px 8px 0;display:inline-flex}.attempt-actions button{font-size:var(--pa-size-caption2);color:#f7e1bb;border-radius:var(--pa-radius-sm);cursor:pointer;background:#202329;border:1px solid #3a3e46;align-items:center;gap:5px;padding:4px 9px;display:inline-flex}.debrief h2{margin:0 0 4px}.debrief-subtitle{font-size:var(--pa-size-footnote);color:#9499a3;margin:0 0 14px}.debrief-grid{font-size:var(--pa-size-caption);grid-template-columns:max-content 1fr;gap:8px 16px;margin:0 0 14px;display:grid}.debrief-grid dt{color:#9499a3}.debrief-grid dd{margin:0}.debrief-grid dd small{color:#9499a3;font-size:var(--pa-size-caption2);display:block}.debrief-grid ul{font-size:var(--pa-size-caption);color:#b4b8c1;margin:6px 0 0;padding-left:16px}.debrief-note{font-size:var(--pa-size-caption);color:#b4b8c1;line-height:1.5}.debrief-actions{justify-content:flex-end;gap:8px;margin-top:10px;display:flex}html[data-host=app] .learning-header{display:none}html[data-host=app] .topbar{background:0 0;border-bottom:0;gap:12px;height:auto;padding:8px 16px}html[data-host=app] .topbar>.brand,html[data-host=app] .topbar-nav{display:none}html[data-host=app] .topbar-right{margin-left:auto}html:has(.app-shell[data-layout]){overscroll-behavior:none;height:100%;overflow:hidden}html:has(.app-shell[data-layout]) body{overscroll-behavior:none;height:100%;overflow:hidden}.app-shell[data-layout]{--phone-top:48px;--pa-size-micro:calc(12px * var(--pa-text-scale,1));--pa-size-caption2:calc(13px * var(--pa-text-scale,1));--pa-size-caption:calc(14px * var(--pa-text-scale,1));--pa-size-footnote:calc(15px * var(--pa-text-scale,1));--pa-size-subheadline:calc(15px * var(--pa-text-scale,1));--pa-size-callout:calc(16px * var(--pa-text-scale,1));--pa-size-body:calc(17px * var(--pa-text-scale,1));flex-direction:column;height:100dvh;display:flex;overflow:hidden}html[data-host=app] .app-shell[data-layout]{--phone-top:0px}.app-shell[data-layout]>.topbar{height:var(--phone-top);flex-shrink:0;padding:0 14px}.app-shell[data-layout]>.topbar .brand{min-height:44px}html[data-host=app] .app-shell[data-layout]>.topbar{display:none}.app-shell[data-layout]>main{flex:1;grid-template:"context""case""monitor""tabs""subtabs""pane"minmax(0,1fr)"actions""status"/minmax(0,1fr);width:100%;max-width:none;min-height:0;margin:0;padding:0;display:grid}.app-shell[data-layout] .lab-grid,.app-shell[data-layout] .monitor-panel,.app-shell[data-layout] .phone-pane{display:contents}.app-shell[data-layout]>.topbar .topbar-right,.app-shell[data-layout] .controls-panel>.panel-heading,.app-shell[data-layout] .anatomy-panel>.panel-heading,.app-shell[data-layout] .page-heading,.app-shell[data-layout] .monitor-heading,.app-shell[data-layout] .page-footer,.app-shell[data-layout] .controls-panel>.control-tabs,.app-shell[data-layout] .room-panel .panel-heading>svg,.app-shell[data-layout] .room-panel .panel-heading>span,.app-shell[data-layout] .expose-button kbd,.app-shell[data-layout] .controls-hint,.app-shell[data-layout] .control-note{display:none}.app-shell[data-layout] .phone-context{grid-area:context;align-items:center;gap:4px;min-height:56px;padding:4px 6px 4px 14px;display:flex}html[data-host=app] .app-shell[data-layout=phone] .phone-context{padding-left:62px}.phone-summary{min-width:0;min-height:48px;color:var(--pa-text);text-align:left;flex:1;align-items:center;gap:8px;display:flex}.phone-summary-text{flex-direction:column;gap:1px;min-width:0;display:flex}.phone-summary-text>*{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.phone-summary-text strong{font-size:var(--pa-size-subheadline);font-weight:600}.phone-summary-text span{font-size:var(--pa-size-caption);color:var(--pa-text-secondary)}.phone-summary svg{color:var(--pa-text-secondary);flex-shrink:0;transition:transform .2s cubic-bezier(.22,1,.36,1)}.phone-summary svg.open{transform:rotate(180deg)}.app-shell[data-layout] .phone-context .icon-button{width:44px;height:44px}.app-shell[data-layout] .procedure-monitor-status{grid-area:case}.app-shell[data-layout] .monitor-image{flex:none;grid-area:monitor;height:min(100vw,44dvh)}.app-shell[data-layout=phone][data-phone-tab=anatomy] .monitor-image,.app-shell[data-layout=phone][data-phone-tab=room] .monitor-image{height:min(100vw,34dvh)}.app-shell[data-layout=phone][data-phone-tab=setup] .monitor-image,.app-shell[data-layout=phone][data-phone-tab=steps] .monitor-image,.app-shell[data-layout=phone][data-phone-tab=plan] .monitor-image,.app-shell[data-layout=phone][data-phone-tab=images] .monitor-image{height:min(100vw,28dvh)}.app-shell[data-layout] .phone-tabs{background:var(--pa-bg);border:1px solid var(--pa-hairline);scrollbar-width:none;border-radius:999px;grid-area:tabs;gap:3px;margin:8px 10px 0;padding:3px;display:flex;overflow-x:auto}.phone-tabs::-webkit-scrollbar{display:none}.phone-tabs button{white-space:nowrap;min-height:44px;font-size:min(var(--pa-size-footnote), 17px);color:var(--pa-text-secondary);border-radius:999px;flex:1 1 0;padding:0 4px;font-weight:600}.phone-tabs button.active{background:var(--pa-text);color:var(--pa-bg)}.app-shell[data-layout] .phone-subtabs{grid-area:subtabs;gap:6px;margin:8px 10px 0;display:flex}.phone-subtabs button{border:1px solid var(--pa-hairline);border-radius:var(--pa-radius-sm);min-height:44px;color:var(--pa-text-secondary);font-size:var(--pa-size-caption);flex:1;font-weight:600}.phone-subtabs button[aria-selected=true]{background:var(--pa-surface-raised);color:var(--pa-text);border-color:#0000}.phone-plan{color:var(--pa-text);padding:4px 4px 16px}.phone-plan-goal{font-size:var(--pa-size-subheadline);margin:0 0 12px;line-height:1.45}.phone-plan-views{flex-direction:column;gap:10px;margin:0 0 14px;padding:0;list-style:none;display:flex}.phone-plan-views li{border:1px solid var(--pa-hairline);border-radius:var(--pa-radius-md);background:var(--pa-surface);gap:10px;padding:12px;display:flex}.phone-plan-step{background:rgba(var(--pa-accent-rgb), .16);width:24px;height:24px;color:var(--pa-accent);font-size:var(--pa-size-caption);border-radius:50%;flex:none;place-items:center;font-weight:700;display:grid}.phone-plan-views strong{font-size:var(--pa-size-footnote);display:block}.phone-plan-views p,.phone-plan>p{color:var(--pa-text-secondary);font-size:var(--pa-size-caption);margin:3px 0 0;line-height:1.5}.phone-plan-views button{border-radius:var(--pa-radius-sm);background:var(--pa-accent-fill);min-height:44px;color:var(--pa-on-accent);font-size:var(--pa-size-caption);margin-top:8px;padding:0 14px;font-weight:600}.phone-plan h3{font-size:var(--pa-size-footnote);margin:14px 0 0;font-weight:600}.phone-plan ul{color:var(--pa-safety-text);font-size:var(--pa-size-caption);margin:4px 0 0;padding-left:18px;line-height:1.5}.phone-disclosure{margin-top:4px}.phone-disclosure summary{min-height:44px;color:var(--pa-accent);font-size:var(--pa-size-caption);cursor:pointer;align-items:center;gap:8px;font-weight:600;list-style:none;display:flex}.phone-disclosure summary::-webkit-details-marker{display:none}.phone-disclosure summary:after{content:"";border-bottom:1.5px solid;border-right:1.5px solid;width:7px;height:7px;margin-top:-4px;transform:rotate(45deg)}.phone-disclosure[open] summary:after{margin-top:3px;transform:rotate(-135deg)}.phone-disclosure .preset-note{margin-top:0}.app-shell[data-layout] [data-phone-pane] button,.app-shell[data-layout] [data-phone-pane] select{min-height:44px}.app-shell[data-layout] [data-phone-pane] .icon-button{width:44px;height:44px}.app-shell[data-layout] [data-phone-pane] label:has(>input[type=checkbox]){align-items:center;min-height:44px;display:flex}.app-shell[data-layout] .section-label{letter-spacing:.06em}.app-shell[data-layout] .controls-scroll>.control-section:first-child>.section-label,.app-shell[data-layout] .image-corner.bottom-left span,.app-shell[data-layout] .image-corner.bottom-right span{display:none}.app-shell[data-layout] .tap-mode button{white-space:nowrap;padding:0 6px}.app-shell[data-layout] .anatomy-viewport{order:-1}.app-shell[data-layout] .phone-home-link{width:100%;margin-top:8px}.app-shell[data-layout] [data-phone-pane]{display:none}.app-shell[data-layout][data-phone-tab=steps] [data-phone-pane=steps],.app-shell[data-layout][data-phone-tab=plan] [data-phone-pane=plan],.app-shell[data-layout][data-phone-tab=setup] [data-phone-pane=setup],.app-shell[data-layout][data-phone-tab=controls] [data-phone-pane=controls],.app-shell[data-layout][data-phone-tab=anatomy] [data-phone-pane=anatomy],.app-shell[data-layout][data-phone-tab=room] [data-phone-pane=room],.app-shell[data-layout][data-phone-tab=images] [data-phone-pane=images]{overscroll-behavior:contain;flex-direction:column;grid-area:pane;height:auto;min-height:0;margin:8px 10px 0;display:flex;overflow-y:auto}.app-shell[data-layout] [data-phone-pane]>*{flex-shrink:0}.app-shell[data-layout] .controls-panel>.controls-scroll{flex:1 0 auto;padding:0 14px;overflow:visible}.app-shell[data-layout] .control-section{padding:12px 0}.app-shell[data-layout] .anatomy-viewport{flex:none;height:260px}.app-shell[data-layout] .room-viewport canvas{height:240px}.app-shell[data-layout] .target-visibility{flex-basis:100%}.app-shell[data-layout] .side-select select{width:100px}.app-shell[data-layout] .room-panel .room-presets{margin:0 auto}.app-shell[data-layout] .room-note{background:0 0;max-width:none;margin:8px 10px 10px;padding:0;position:static}.app-shell[data-layout] .filmstrip{align-items:stretch;gap:10px;height:auto;margin-top:8px;padding:12px;position:relative}.app-shell[data-layout] .filmstrip-title{border-right:0;width:auto;min-width:0;padding:0 44px 0 0}.app-shell[data-layout] .filmstrip-title>div>span{margin-left:0}.app-shell[data-layout] .filmstrip-title p{margin-top:4px}.app-shell[data-layout] .history-limit{margin-top:2px}.app-shell[data-layout] .filmstrip-items{flex:none;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));align-items:start;height:auto;display:grid;overflow:visible}.app-shell[data-layout] .film-frame{aspect-ratio:1;min-width:0;height:auto}.app-shell[data-layout] .export-button{position:absolute;top:8px;right:8px}.phone-setup-footer{margin:4px 0 12px}.phone-setup-footer>div{gap:8px;display:flex}.phone-setup-footer button{border:1px solid var(--pa-hairline);border-radius:var(--pa-radius-sm);background:var(--pa-surface);min-height:44px;color:var(--pa-text);font-size:var(--pa-size-footnote);flex:1;justify-content:center;align-items:center;gap:7px;display:flex}.phone-setup-footer p{color:var(--pa-text-tertiary);font-size:var(--pa-size-caption2);margin:10px 2px 0;line-height:1.4}.app-shell[data-layout] .monitor-image{--pa-size-micro:min(calc(12px * var(--pa-text-scale,1)), 13px);--pa-size-caption2:min(calc(13px * var(--pa-text-scale,1)), 14px)}.app-shell[data-layout] .monitor-footer{font-size:min(var(--pa-size-micro), 13px);white-space:nowrap}.app-shell[data-layout] .monitor-footer>span{text-overflow:ellipsis;overflow:hidden}.app-shell[data-layout] .acquisition-bar{grid-area:actions;gap:8px;margin-top:8px;padding:10px}.app-shell[data-layout] .acquisition-bar button{min-height:48px}.app-shell[data-layout] .monitor-footer{height:auto;min-height:26px;padding:4px 14px calc(4px + env(safe-area-inset-bottom));grid-area:status}.app-shell[data-layout] input[type=range]{background-position:50%;background-repeat:no-repeat;background-size:100% 4px;height:44px}.app-shell[data-layout] input[type=range]::-webkit-slider-thumb{background:#fff;border:0;width:26px;height:26px;box-shadow:0 1px 4px #00000080}.app-shell[data-layout] input[type=range]::-moz-range-thumb{background:#fff;border:0;width:26px;height:26px;box-shadow:0 1px 4px #00000080}.app-shell[data-layout=phone-landscape]>main{grid-template:"monitor context""monitor case""monitor tabs""monitor subtabs""monitor pane"minmax(0,1fr)"monitor actions""monitor status"/auto minmax(0,1fr)}.app-shell[data-layout=phone-landscape] .monitor-image{height:auto;width:min(calc(100dvh - var(--phone-top)), 55vw)}.target-faculty{border-radius:var(--pa-radius-sm);font-size:var(--pa-size-caption);border:1px solid var(--pa-hairline);background:var(--pa-surface-raised);margin:8px 12px 0;padding:8px 10px;line-height:1.4}.target-faculty.accept{border-color:var(--pa-correct)}.target-faculty.revise{border-color:var(--pa-note-stroke);background:var(--pa-note-fill);color:var(--pa-note-text)}.target-faculty.reject{border-color:var(--pa-safety-stroke);background:var(--pa-safety-fill);color:var(--pa-safety-text)}.target-review-link{color:var(--pa-accent);font-size:var(--pa-size-caption);margin:4px 0 8px;display:inline-block}.needle-length{font-size:var(--pa-size-caption);color:var(--pa-text-secondary);align-items:center;gap:8px;margin-top:8px;display:flex}.needle-length select{background:var(--pa-surface-raised);color:var(--pa-text);border:1px solid var(--pa-hairline);border-radius:var(--pa-radius-sm);font:inherit;font-size:var(--pa-size-caption);flex:1;padding:5px 8px}@media (prefers-reduced-motion:reduce){.phone-summary svg{transition:none}}