@font-face{font-family:Heebo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./heebo-hebrew-wght-normal-BPH8bhzJ.woff2)format("woff2-variations");unicode-range:U+307-308,U+590-5FF,U+200C-2010,U+20AA,U+25CC,U+FB1D-FB4F}@font-face{font-family:Heebo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./heebo-math-wght-normal-9gsQVfT-.woff2)format("woff2-variations");unicode-range:U+302-303,U+305,U+307-308,U+310,U+312,U+315,U+31A,U+326-327,U+32C,U+32F-330,U+332-333,U+338,U+33A,U+346,U+34D,U+391-3A1,U+3A3-3A9,U+3B1-3C9,U+3D1,U+3D5-3D6,U+3F0-3F1,U+3F4-3F5,U+2016-2017,U+2034-2038,U+203C,U+2040,U+2043,U+2047,U+2050,U+2057,U+205F,U+2070-2071,U+2074-208E,U+2090-209C,U+20D0-20DC,U+20E1,U+20E5-20EF,U+2100-2112,U+2114-2115,U+2117-2121,U+2123-214F,U+2190,U+2192,U+2194-21AE,U+21B0-21E5,U+21F1-21F2,U+21F4-2211,U+2213-2214,U+2216-22FF,U+2308-230B,U+2310,U+2319,U+231C-2321,U+2336-237A,U+237C,U+2395,U+239B-23B7,U+23D0,U+23DC-23E1,U+2474-2475,U+25AF,U+25B3,U+25B7,U+25BD,U+25C1,U+25CA,U+25CC,U+25FB,U+266D-266F,U+27C0-27FF,U+2900-2AFF,U+2B0E-2B11,U+2B30-2B4C,U+2BFE,U+3030,U+FF5B,U+FF5D,U+1D400-1D7FF,U+1EE??}@font-face{font-family:Heebo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./heebo-symbols-wght-normal-CDk8D5aH.woff2)format("woff2-variations");unicode-range:U+1-C,U+E-1F,U+7F-9F,U+20DD-20E0,U+20E2-20E4,U+2150-218F,U+2190,U+2192,U+2194-2199,U+21AF,U+21E6-21F0,U+21F3,U+2218-2219,U+2299,U+22C4-22C6,U+2300-243F,U+2440-244A,U+2460-24FF,U+25A0-27BF,U+28??,U+2921-2922,U+2981,U+29BF,U+29EB,U+2B??,U+4DC0-4DFF,U+FFF9-FFFB,U+10140-1018E,U+10190-1019C,U+101A0,U+101D0-101FD,U+102E0-102FB,U+10E60-10E7E,U+1D2C0-1D2D3,U+1D2E0-1D37F,U+1F0??,U+1F100-1F1AD,U+1F1E6-1F1FF,U+1F30D-1F30F,U+1F315,U+1F31C,U+1F31E,U+1F320-1F32C,U+1F336,U+1F378,U+1F37D,U+1F382,U+1F393-1F39F,U+1F3A7-1F3A8,U+1F3AC-1F3AF,U+1F3C2,U+1F3C4-1F3C6,U+1F3CA-1F3CE,U+1F3D4-1F3E0,U+1F3ED,U+1F3F1-1F3F3,U+1F3F5-1F3F7,U+1F408,U+1F415,U+1F41F,U+1F426,U+1F43F,U+1F441-1F442,U+1F444,U+1F446-1F449,U+1F44C-1F44E,U+1F453,U+1F46A,U+1F47D,U+1F4A3,U+1F4B0,U+1F4B3,U+1F4B9,U+1F4BB,U+1F4BF,U+1F4C8-1F4CB,U+1F4D6,U+1F4DA,U+1F4DF,U+1F4E3-1F4E6,U+1F4EA-1F4ED,U+1F4F7,U+1F4F9-1F4FB,U+1F4FD-1F4FE,U+1F503,U+1F507-1F50B,U+1F50D,U+1F512-1F513,U+1F53E-1F54A,U+1F54F-1F5FA,U+1F610,U+1F650-1F67F,U+1F687,U+1F68D,U+1F691,U+1F694,U+1F698,U+1F6AD,U+1F6B2,U+1F6B9-1F6BA,U+1F6BC,U+1F6C6-1F6CF,U+1F6D3-1F6D7,U+1F6E0-1F6EA,U+1F6F0-1F6F3,U+1F6F7-1F6FC,U+1F7??,U+1F800-1F80B,U+1F810-1F847,U+1F850-1F859,U+1F860-1F887,U+1F890-1F8AD,U+1F8B0-1F8BB,U+1F8C0-1F8C1,U+1F900-1F90B,U+1F93B,U+1F946,U+1F984,U+1F996,U+1F9E9,U+1FA00-1FA6F,U+1FA70-1FA7C,U+1FA80-1FA89,U+1FA8F-1FAC6,U+1FACE-1FADC,U+1FADF-1FAE9,U+1FAF0-1FAF8,U+1FB??}@font-face{font-family:Heebo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./heebo-latin-ext-wght-normal-D5vEfs3i.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:Heebo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(./heebo-latin-wght-normal-CXdlclQD.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{--bg:#0b0e12;--bg-elev:#12161c;--surface:#161b22;--surface-2:#1c222b;--border:#262e39;--border-strong:#36404d;--text:#e8ecf1;--text-2:#b4bdc8;--text-muted:#8a95a3;--accent:#f0c46b;--accent-strong:#f7da9c;--accent-ink:#2a1c00;--accent-soft:#f0c46b1f;--t-sensory:#7cc7dc;--t-motor:#ef9a8f;--t-mixed:#c3a6f0;--field-left:#6fb7cf;--field-right:#e59a64;--nerve:#f0c46b;--nerve-hi:#ffe2a3;--success:#7fcf9b;--success-soft:#7fcf9b1f;--warning:#f0a372;--warning-soft:#f0a3721f;--danger:#ef9a8f;--danger-soft:#ef9a8f1f;--font:"Heebo Variable", "Heebo", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;--font-mono:ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;--radius-sm:6px;--radius:10px;--radius-lg:16px;--gutter:16px;--measure:66ch;--container:1120px;--shadow:0 1px 0 #ffffff08 inset, 0 8px 24px #00000059;--ease:cubic-bezier(.2, .7, .2, 1);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}@media (width>=720px){:root{--gutter:28px}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%}body{background:var(--bg);min-height:100vh;color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;flex-direction:column;margin:0;font-size:1.0625rem;font-weight:400;line-height:1.7;display:flex}main{flex:1}img,svg,canvas{max-width:100%;display:block}[hidden]{display:none!important}h1,h2,h3,h4{letter-spacing:-.005em;text-wrap:balance;margin:0 0 .5em;font-weight:700;line-height:1.25}h1{font-size:clamp(1.9rem,1.4rem + 2.4vw,2.9rem)}h2{font-size:clamp(1.4rem,1.2rem + 1vw,1.85rem)}h3{font-size:1.2rem}p{text-wrap:pretty;margin:0 0 1em}a{color:var(--accent);text-underline-offset:.2em;text-decoration-thickness:1px}a:hover{color:var(--accent-strong)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}::selection{background:var(--accent);color:var(--accent-ink)}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.container{width:100%;max-width:var(--container);padding-inline:var(--gutter);margin-inline:auto}.prose{max-width:var(--measure)}.prose p,.prose li{color:var(--text-2)}.prose strong{color:var(--text);font-weight:600}.eyebrow{background:var(--accent-soft);letter-spacing:.04em;color:var(--accent);border:1px solid #f0c46b47;border-radius:999px;align-items:center;gap:.5em;margin-bottom:1rem;padding:.3em .85em .3em .9em;font-size:.8125rem;font-weight:600;line-height:1.3;display:inline-flex}.eyebrow:before{content:"";background:currentColor;border-radius:50%;flex:none;width:.5em;height:.5em;box-shadow:0 0 .6em}.lead{color:var(--text-2);max-width:56ch;font-size:1.1875rem}.muted{color:var(--text-muted)}.skip-link{inset-inline-start:var(--gutter);z-index:100;background:var(--accent);color:var(--accent-ink);border-radius:var(--radius-sm);padding:.5rem 1rem;font-weight:600;text-decoration:none;position:absolute;top:-100px}.skip-link:focus{top:.75rem}.site-header{z-index:50;-webkit-backdrop-filter:saturate(140%)blur(10px);border-bottom:1px solid var(--border);background:#0b0e12f5;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;gap:1rem;min-height:60px;display:flex}.brand{color:var(--text);align-items:center;gap:.6rem;font-size:1.125rem;font-weight:700;text-decoration:none;display:inline-flex}.brand:hover{color:var(--text)}.brand-mark{width:28px;height:28px;color:var(--accent)}.nav-toggle{border-radius:var(--radius-sm);width:44px;height:44px;color:var(--text);cursor:pointer;background:0 0;border:0;margin-inline-end:-10px;padding:0;display:none}.nav-toggle-bars,.nav-toggle-bars:before,.nav-toggle-bars:after{width:20px;height:1.5px;transition:transform .2s var(--ease), opacity .2s var(--ease);background:currentColor;border-radius:2px;margin-inline:auto;display:block}.nav-toggle-bars{position:relative}.nav-toggle-bars:before,.nav-toggle-bars:after{content:"";position:absolute;inset-inline:0}.nav-toggle-bars:before{top:-6px}.nav-toggle-bars:after{top:6px}.nav-toggle[aria-expanded=true] .nav-toggle-bars{background:0 0}.nav-toggle[aria-expanded=true] .nav-toggle-bars:before{transform:translateY(6px)rotate(45deg)}.nav-toggle[aria-expanded=true] .nav-toggle-bars:after{transform:translateY(-6px)rotate(-45deg)}.site-nav ul{gap:.25rem;margin:0;padding:0;list-style:none;display:flex}.site-nav a{border-radius:var(--radius-sm);color:var(--text-2);padding:.45rem .8rem;font-size:.9875rem;font-weight:500;text-decoration:none;display:block}.site-nav a:hover{color:var(--text);background:var(--surface)}.site-nav a[aria-current=page]{color:var(--text);background:var(--surface-2)}.nav-icon{display:none}@media (width<=959px){.js .nav-toggle{display:block}.js .site-nav{inset-inline:0;background:var(--bg-elev);border-bottom:1px solid var(--border);display:none;position:absolute;top:100%}.js .site-nav.is-open{display:block}.js .site-nav ul{padding:.5rem var(--gutter) 1rem;flex-direction:column}.js .site-nav a{align-items:center;gap:.75rem;padding:.8rem .75rem;font-size:1.0625rem;display:flex}.js .site-nav .nav-icon{width:26px;height:26px;color:var(--accent);flex:none;display:block}.site-nav ul{flex-wrap:wrap}}.site-footer{border-top:1px solid var(--border);background:var(--bg-elev);margin-top:5rem}.footer-inner{padding-block:2rem 2.5rem}.disclaimer{max-width:70ch;color:var(--text-2);align-items:flex-start;gap:.6rem;margin-bottom:1rem;font-size:.9375rem;display:flex}.disclaimer svg{width:20px;height:20px;color:var(--warning);flex:none;margin-top:.25em}.footer-meta{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:.35rem .6rem;margin:0;font-size:.875rem;display:flex}.footer-note{align-items:center;gap:.35rem;display:inline-flex}.footer-meta a.footer-note{color:var(--text-2)}.footer-note svg{width:16px;height:16px;color:var(--warning);flex:none}.footer-meta a{color:var(--text-muted)}.footer-meta a:hover{color:var(--text)}.page-head{isolation:isolate;padding-block:2.5rem 1.75rem;position:relative}@media (width>=720px){.page-head{padding-block:3.75rem 2.25rem}}.page-head:before{content:"";z-index:-1;width:min(760px, calc(100% + var(--gutter)));pointer-events:none;background:radial-gradient(60% 70% at 75% 40%,#f0c46b1c,#0000 70%),linear-gradient(#f0c46b0d 1px,#0000 1px) 0 0/28px 28px,linear-gradient(90deg,#f0c46b0d 1px,#0000 1px) 0 0/28px 28px;position:absolute;inset-block:0;inset-inline-start:calc(var(--gutter) * -1);-webkit-mask-image:radial-gradient(60% 70% at 75% 45%,#000 15%,#0000 75%);mask-image:radial-gradient(60% 70% at 75% 45%,#000 15%,#0000 75%)}.page-head h1{letter-spacing:-.015em;margin-bottom:.35em;font-weight:800}.page-head h1:after{content:"";background:linear-gradient(to left, var(--accent), #f0c46b00);border-radius:2px;width:64px;height:4px;margin-top:.4em;display:block}.page-head .lead{margin-bottom:0}.section>h2,.section>.container>h2,.section.prose>h2{align-items:center;gap:.6rem;margin-top:.25em;display:flex}.section>h2:before,.section>.container>h2:before,.section.prose>h2:before{content:"";background:var(--accent);border-radius:3px;flex:none;width:5px;height:1.05em;box-shadow:0 0 10px #f0c46b73}.section.prose>h2:not(:first-child){margin-top:2em}.section.prose{max-width:none}.section{padding-block:2rem}.section+.section{border-top:1px solid var(--border)}.btn{border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);min-height:44px;color:var(--text);font:inherit;cursor:pointer;transition:background-color .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease);justify-content:center;align-items:center;gap:.5rem;padding:.6rem 1.15rem;font-size:.9875rem;font-weight:500;line-height:1.2;text-decoration:none;display:inline-flex}.btn:hover{background:var(--surface-2);color:var(--text);border-color:#45505e}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}.btn-primary:hover{background:var(--accent-strong);border-color:var(--accent-strong);color:var(--accent-ink)}.btn-ghost{color:var(--text-2);background:0 0;border-color:#0000}.btn-ghost:hover{background:var(--surface);border-color:#0000}.btn{-webkit-tap-highlight-color:transparent}.btn-row{flex-wrap:wrap;gap:.75rem;display:flex}.chip{border:1px solid var(--border-strong);min-height:40px;color:var(--text-2);font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border-radius:999px;align-items:center;padding:.35rem .9rem;font-size:.9375rem;display:inline-flex}.chip:hover{color:var(--text);border-color:#45505e}.chip[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent);color:var(--text)}.chip:has(input:checked){background:var(--accent-soft);border-color:var(--accent);color:var(--text)}.chip:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.chip input{opacity:0;pointer-events:none;position:absolute}.tag{border:1px solid var(--border);color:var(--text-2);border-radius:999px;align-items:center;gap:.35rem;padding:.15rem .55rem;font-size:.8125rem;line-height:1.5;display:inline-flex}.tag-soon{color:var(--text-muted)}.difficulty{color:var(--text-2);align-items:center;gap:.4rem;font-size:.8125rem;display:inline-flex}.difficulty-dots{gap:3px;display:inline-flex}.difficulty-dots i{background:var(--border-strong);border-radius:50%;width:6px;height:6px}.difficulty-dots i.on{background:var(--accent)}.grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:1rem;display:grid}.card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);transition:border-color .2s var(--ease), transform .2s var(--ease);flex-direction:column;display:flex;position:relative;overflow:hidden}.card:hover{border-color:var(--border-strong)}.card-body{flex-direction:column;flex:1;gap:.5rem;padding:1.1rem 1.25rem 1.3rem;display:flex}.card h2,.card h3{margin:0;font-size:1.125rem}.card p{color:var(--text-2);margin:0;font-size:.9675rem;line-height:1.6}.card-link{color:inherit;text-decoration:none}.card-link:after{content:"";border-radius:inherit;position:absolute;inset:0}.card-link:focus-visible{outline:none}.card:has(.card-link:focus-visible){outline:2px solid var(--accent);outline-offset:3px}.card-meta{flex-wrap:wrap;align-items:center;gap:.5rem .75rem;margin-top:auto;padding-top:.5rem;display:flex}.card-thumb{aspect-ratio:4/3;border-bottom:1px solid var(--border);background:#000;overflow:hidden}.card-thumb img{object-fit:cover;object-position:center 30%;width:100%;height:100%}.card.is-disabled{opacity:.6}@media (width>=960px){.grid-4{grid-template-columns:repeat(4,1fr)}}@media (width>=1000px){.grid-5{grid-template-columns:repeat(5,minmax(0,1fr))}}.card-icon{width:36px;height:36px;color:var(--accent);margin-bottom:.25rem}.hero{align-items:center;gap:2.5rem;padding-block:3rem 2.5rem;display:grid}@media (width>=880px){.hero{grid-template-columns:1.1fr .9fr;padding-block:5.5rem 4rem}}.hero h1{margin-bottom:1rem;font-size:clamp(2.2rem,1.5rem + 3.2vw,3.6rem)}.hero .lead{margin-bottom:2rem}.hero-figure{border:1px solid var(--border);border-radius:var(--radius-lg);background:#000;justify-self:center;width:100%;max-width:420px;margin:0;position:relative;overflow:hidden}.hero-figure img{object-fit:cover;object-position:center 40%;width:100%;height:auto;max-height:calc(70vh - 3rem)}.hero-figure figcaption{border-top:1px solid var(--border);background:var(--bg-elev);color:var(--text-muted);padding:.6rem 1rem;font-size:.8125rem}.steps{counter-reset:step;gap:1rem;margin:0;padding:0;list-style:none;display:grid}@media (width>=720px){.steps{grid-template-columns:repeat(3,1fr)}}.steps li{counter-increment:step;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-elev);padding:1.25rem}.steps li:before{content:counter(step);border:1px solid var(--border-strong);width:28px;height:28px;color:var(--accent);border-radius:50%;place-items:center;margin-bottom:.75rem;font-size:.875rem;font-weight:600;display:inline-grid}.steps h3{margin-bottom:.25rem;font-size:1.0625rem}.steps p{color:var(--text-2);margin:0;font-size:.9675rem}@keyframes fade-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%{opacity:.4;transform:scale(.6)}to{opacity:1;transform:scale(1)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}.hotspot-labels{pointer-events:none;position:absolute;inset:0}.embed{margin-top:1.5rem}.embed-note{max-width:var(--measure);margin-top:.75rem;font-size:.875rem}.challenges li{color:var(--text-2);margin-bottom:.6rem}.extra-figure{margin-top:1.25rem}.extra-figure img{width:100%;height:auto}.step .xray-figure+.xray-figure{margin-top:1.25rem}.media-figure{max-width:420px;margin:1.5rem 0 0}.media-figure img{width:100%;height:auto}.mail-figure{max-width:640px;margin-bottom:1.25rem}.icon-sprite{width:0;height:0;position:absolute;overflow:hidden}.lesson-layout{grid-template-columns:minmax(0,1fr);gap:1.5rem;padding-bottom:4rem;display:grid}@media (width>=960px){.lesson-layout{grid-template-columns:250px minmax(0,1fr);align-items:start;gap:2.5rem}}.lesson-nav{z-index:10;margin-inline:calc(var(--gutter) * -1);padding:.55rem var(--gutter);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border);scrollbar-width:none;background:#0b0e12eb;position:sticky;top:60px;overflow-x:auto}.lesson-nav::-webkit-scrollbar{display:none}.lesson-nav-title{display:none}.lesson-nav ol{gap:.4rem;width:max-content;margin:0;padding:0;list-style:none;display:flex}.lesson-nav a{border:1px solid var(--border);color:var(--text-2);white-space:nowrap;transition:background-color .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease);border-radius:999px;align-items:center;gap:.45rem;padding:.35rem .75rem .35rem .85rem;font-size:.875rem;line-height:1.3;text-decoration:none;display:flex}.lesson-nav a:hover{color:var(--text);border-color:var(--border-strong)}.lesson-nav a[aria-current=true],.lesson-nav a[aria-current=location]{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}.lesson-nav-ico svg{width:16px;height:16px}@media (width>=960px){.lesson-nav{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-elev);margin:0;padding:1rem .75rem;top:84px;overflow:visible}.lesson-nav-title{color:var(--text-muted);margin:0 .5rem .5rem;font-size:.8125rem;font-weight:600;display:block}.lesson-nav ol{gap:.15rem;width:auto;display:grid}.lesson-nav a{border-radius:var(--radius);white-space:normal;border:0;padding:.45rem .6rem;font-size:.9375rem}.lesson-nav a:hover{background:var(--surface)}.lesson-nav a[aria-current=true],.lesson-nav a[aria-current=location]{color:var(--text);background:var(--accent-soft)}.lesson-nav a[aria-current=true] .lesson-nav-ico,.lesson-nav a[aria-current=location] .lesson-nav-ico{color:var(--accent)}}.lesson-nav-ico,.lesson-ico{flex:none;place-items:center;display:inline-grid}.lesson-nav-ico svg,.lesson-ico svg,.lab-link svg{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round;stroke-linejoin:round}.lessons{grid-template-columns:minmax(0,1fr);gap:1.25rem;min-width:0;display:grid}.lesson{border:1px solid var(--border);border-radius:var(--radius-lg);background:linear-gradient(180deg, var(--bg-elev), var(--bg) 85%);padding:1.35rem 1.15rem 1.5rem;scroll-margin-top:130px}@media (width>=720px){.lesson{padding:1.75rem 2rem 2rem}}@media (width>=960px){.lesson{scroll-margin-top:84px}}.lesson-title{align-items:center;gap:.85rem;margin-bottom:1rem;display:flex}.lesson-title h2{margin:0;font-size:clamp(1.3rem,1.15rem + .8vw,1.7rem)}.lesson-ico{width:46px;height:46px;color:var(--accent);background:var(--accent-soft);border:1px solid #f0c46b40;border-radius:12px}.lesson-ico svg{width:24px;height:24px}.lesson-num{letter-spacing:.08em;color:var(--text-muted);font-variant-numeric:tabular-nums;order:3;margin-inline-start:auto;font-size:.8125rem;font-weight:600;display:none}.lesson .prose>:last-child{margin-bottom:0}@media (width>=560px){.lesson-num{display:block}}.lesson-split{align-items:center;gap:1.25rem;display:grid}@media (width>=860px){.lesson-split{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:2rem}}.lesson-split .media-figure{max-width:none;margin:0}.lesson-diagram{width:100%;max-width:360px;height:auto;margin-inline:auto}.dg-src{fill:var(--surface-2);stroke:var(--border-strong)}.dg-dot{fill:var(--accent)}.dg-rays path{stroke:var(--accent);stroke-width:2px;fill:none;stroke-linecap:round;opacity:.85}.dg-rays-weak path{stroke-dasharray:3 6;opacity:.35}.dg-body{fill:#e8ecf129;stroke:#e8ecf180}.dg-det{stroke:var(--border-strong)}.shade-list{gap:.75rem;margin:1.25rem 0 0;padding:0;list-style:none;display:grid}@media (width>=720px){.shade-list{grid-template-columns:1fr 1fr}}.shade-list li{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text-2);grid-template-columns:40px 1fr;align-items:start;gap:.85rem;margin:0;padding:.9rem 1rem;font-size:.975rem;line-height:1.6;display:grid}.shade-list li:before{content:"";background:var(--shade);border:1px solid var(--border-strong);border-radius:8px;grid-row:span 2;width:40px;height:40px;box-shadow:inset 0 0 0 1px #ffffff0a}.shade-list strong{color:var(--text);font-weight:600}.lab-link{border-radius:var(--radius);background:var(--accent-soft);color:var(--accent-strong);transition:background-color .15s var(--ease), border-color .15s var(--ease);border:1px solid #f0c46b59;align-items:center;gap:.6rem;margin-top:1.25rem;padding:.7rem 1.1rem .7rem 1.25rem;font-size:.975rem;font-weight:500;line-height:1.35;text-decoration:none;display:inline-flex}.lab-link:hover{border-color:var(--accent);color:var(--accent-strong);background:#f0c46b33}.lab-link svg{flex:none;width:20px;height:20px}.lesson>p:last-child{margin-bottom:0}.lesson-warn{background:linear-gradient(180deg, var(--warning-soft), var(--bg) 90%);border-color:#f0a37259}.lesson-warn .lesson-ico{color:var(--warning);background:var(--warning-soft);border-color:#f0a3724d}.lesson-sub{color:var(--text);margin:1.75rem 0 .75rem;font-size:1.0625rem}@media (width>=720px){.lesson .credits-list{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}}.credits-list li.has-thumb{grid-template-columns:64px minmax(0,1fr);align-content:start;column-gap:.85rem;display:grid}.credits-list li.has-thumb>:not(.credit-thumb){grid-column:2}.credit-thumb{object-fit:cover;border:1px solid var(--border);background:#000;border-radius:8px;grid-row:1/span 3;width:64px;height:64px}.lesson .credits-list li{background:var(--surface)}.tl-nav{z-index:10;margin:0 calc(var(--gutter) * -1) 1.5rem;padding:.6rem var(--gutter);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border);background:#0b0e12f7;position:sticky;top:60px}.tl-nav ol{grid-template-columns:repeat(6,1fr);gap:.35rem;margin:0;padding:0;list-style:none;display:grid}.tl-nav li{display:flex}@media (width>=760px){.tl-nav ol{flex-wrap:wrap;gap:.4rem;display:flex}}.tl-nav a{border:1px solid var(--border-strong);color:var(--text-2);font-variant-numeric:tabular-nums;white-space:nowrap;border-radius:999px;padding:.3rem .75rem;font-size:.875rem;text-decoration:none;display:inline-block}@media (width<=759px){.tl-nav a{text-align:center;flex:1;padding:.3rem .2rem;font-size:.8rem}}.tl-nav a:hover{color:var(--text)}.tl-nav a[aria-current]{background:var(--accent-soft);border-color:var(--accent);color:var(--text)}.tl-list{margin:0;padding:0;list-style:none;position:relative}.tl-list:before{content:"";background:var(--border-strong);width:1px;position:absolute;inset-block:.5rem;inset-inline-start:27px}.tl-item{grid-template-columns:56px 1fr;gap:.75rem;padding-bottom:1.5rem;scroll-margin-top:130px;display:grid;position:relative}.tl-marker span{border:1px solid var(--accent);background:var(--bg);width:56px;height:28px;color:var(--accent);font-variant-numeric:tabular-nums;border-radius:999px;place-items:center;font-size:.8125rem;font-weight:600;display:grid;position:relative}.tl-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);max-width:var(--measure);padding:1rem 1.15rem 1.1rem}.tl-date{color:var(--text-muted);margin:0 0 .2rem;font-size:.8125rem}.tl-title{margin:0 0 .4rem;font-size:1.2rem}.tl-text{color:var(--text-2);margin:0 0 .75rem}.tl-meta{flex-wrap:wrap;gap:.4rem 1rem;margin:0;font-size:.8125rem;display:flex}.tl-meta a{color:var(--text-muted)}.tl-meta a:hover{color:var(--text)}.tl-meta .tl-case{color:var(--accent)}@media (width>=720px){.tl-item{grid-template-columns:72px 1fr;gap:1.25rem}.tl-marker span{width:72px;height:32px;font-size:.9375rem}.tl-list:before{inset-inline-start:35px}}.quiz{margin-top:1.25rem}.quiz-question{color:var(--text);margin:0 0 .75rem;font-size:1.125rem;font-weight:600}.quiz-options{gap:.5rem;display:grid}@media (width>=560px){.quiz-options{grid-template-columns:1fr 1fr}}.quiz-option{border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);min-height:52px;color:var(--text);font:inherit;text-align:start;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:border-color .15s var(--ease), background-color .15s var(--ease);align-items:center;padding:.6rem .9rem;font-size:.9875rem;line-height:1.4;display:flex}.quiz-option:hover:not(:disabled):not([aria-disabled=true]){border-color:var(--accent);background:var(--surface-2)}.quiz-option:disabled,.quiz-option[aria-disabled=true]{cursor:default}.quiz-option.is-wrong{opacity:.5;text-decoration:line-through;-webkit-text-decoration-color:var(--warning);text-decoration-color:var(--warning)}.quiz-option.is-correct{border-color:var(--success);background:var(--success-soft);opacity:1}.quiz-actions:has(button:not([hidden])){margin-top:.75rem}.locate{border-top:1px solid var(--border);margin-top:1.75rem;padding-top:1.25rem}.locate-q{margin:0 0 .4rem;font-size:1.125rem}.locate .btn-row{margin-top:.75rem}.tl-figure{margin:-1rem -1.15rem .9rem}.tl-figure img{object-fit:contain;border-radius:var(--radius-lg) var(--radius-lg) 0 0;border-bottom:1px solid var(--border);background:#000;width:100%;height:280px;display:block}.tl-figure figcaption{color:var(--text-muted);padding:.5rem 1.15rem 0;font-size:.8125rem;line-height:1.5}.tl-figure figcaption a{color:var(--text-muted)}@media (width>=900px){.tl-card{max-width:none}.tl-card:has(.tl-figure){grid-template-rows:auto auto auto 1fr;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);column-gap:1.75rem;display:grid}.tl-card:has(.tl-figure)>:not(.tl-figure){grid-column:1}.tl-card .tl-figure{flex-direction:column;grid-area:1/2/-1;margin:-1rem 0 -1.1rem -1.15rem;display:flex}.tl-card .tl-figure img{border-radius:var(--radius-lg) 0 0 0;border-bottom:0;border-inline-start:1px solid var(--border);flex:1;height:auto;min-height:260px;max-height:340px}.tl-card .tl-figure figcaption{border-inline-start:1px solid var(--border);padding:.5rem 1rem .9rem}.tl-card:has(.tl-figure) .tl-date{margin-top:.4rem}}.subnav{margin:1.25rem calc(var(--gutter) * -1) 0;padding:0 var(--gutter);scrollbar-width:none;overflow-x:auto}.subnav::-webkit-scrollbar{display:none}.subnav ul{gap:.4rem;width:max-content;margin:0;padding:0;list-style:none;display:flex}.subnav a{border:1px solid var(--border);color:var(--text-2);white-space:nowrap;border-radius:999px;padding:.4rem .85rem;font-size:.875rem;text-decoration:none;display:block}.subnav a:hover{color:var(--text);border-color:var(--border-strong)}.subnav a[aria-current=page]{color:var(--accent-ink);background:var(--accent);border-color:var(--accent);font-weight:500}.subnav+.page-head{padding-top:1.75rem}.pager{border-top:1px solid var(--border);grid-template-columns:1fr 1fr;gap:.75rem;margin:3rem 0 4rem;padding-top:1.5rem;display:grid}.pager-link{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);transition:border-color .15s var(--ease), background-color .15s var(--ease);gap:.15rem;padding:.85rem 1rem;text-decoration:none;display:grid}.pager-link:hover{border-color:var(--accent);background:var(--surface)}.pager-next{text-align:left}.pager-dir{color:var(--text-muted);font-size:.8125rem}.pager-prev .pager-dir:before{content:"→ "}.pager-next .pager-dir:after{content:" ←"}.pager-title{color:var(--text);font-weight:500;line-height:1.35}.pager-all{color:var(--accent);grid-area:2/1/auto/-1;justify-self:center;align-items:center;gap:.5rem;padding:.45rem .9rem;font-weight:500;text-decoration:none;display:inline-flex}.pager-all:hover{text-decoration:underline}.pager-count{color:var(--text-muted);font-size:.8125rem;font-weight:400}@media (width>=720px){.case-pager{grid-template-columns:1fr auto 1fr;align-items:center}.case-pager .pager-all{flex-direction:column;grid-area:1/2;gap:0}}@media (width<=559px){.xm-pause-text{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.xm-key{min-width:30px;padding:2px 6px}}.table-wrap{border:1px solid var(--border);border-radius:var(--radius);margin:1rem 0;overflow-x:auto}.data-table{border-collapse:collapse;width:100%;font-size:.9375rem}.data-table caption{text-align:start;color:var(--text);background:var(--surface);border-bottom:1px solid var(--border);padding:.75rem 1rem;font-weight:600}.data-table th,.data-table td{text-align:start;vertical-align:top;border-bottom:1px solid var(--border);color:var(--text-2);padding:.6rem 1rem}.data-table th{color:var(--text-muted);background:var(--bg-elev);font-size:.8125rem;font-weight:600}.data-table tr:last-child td{border-bottom:0}.data-table code{font-family:var(--font-mono);color:var(--accent);font-size:.875em}.lesson .prose h3{color:var(--text);margin:1.4rem 0 .4rem;font-size:1.0625rem}.lesson .prose h3:first-child{margin-top:0}kbd{border:1px solid var(--border-strong);font-family:var(--font-mono);color:var(--text);background:var(--surface);border-bottom-width:2px;border-radius:4px;padding:.05em .4em;font-size:.85em}.privacy-tools{border:1px dashed var(--border-strong);border-radius:var(--radius);margin-top:1rem;padding:1rem}.privacy-status{color:var(--text);margin:0 0 .75rem}.privacy-dump{text-align:left;white-space:pre-wrap;word-break:break-all;max-height:14rem;font-family:var(--font-mono);color:var(--text-2);background:var(--bg);border-radius:var(--radius-sm);direction:ltr;margin:.75rem 0 0;padding:.75rem;font-size:.8125rem;overflow:auto}.legal-updated{margin:.5rem 0 0;font-size:.875rem}.sister{border-top:1px solid var(--border);align-items:center;gap:.6rem;min-width:0;margin-top:1.25rem;padding-top:1rem;line-height:1.6;display:flex}.sister-lbl{color:var(--text-muted);white-space:nowrap;flex:none;font-size:.75rem}.sister-view{scrollbar-width:none;overscroll-behavior-x:contain;flex:1;min-width:0;overflow:auto hidden;-webkit-mask-image:linear-gradient(90deg,#0000 0,#000 1.25rem calc(100% - 1.25rem),#0000 100%);mask-image:linear-gradient(90deg,#0000 0,#000 1.25rem calc(100% - 1.25rem),#0000 100%)}.sister-view::-webkit-scrollbar{display:none}.sister-track{width:max-content;display:flex}.sister-set{gap:.5rem;padding-inline-end:.5rem;display:flex}.sister a,.sister .sister-item{white-space:nowrap;color:var(--text-2);background:var(--surface);border:1px solid var(--border);border-radius:999px;flex:none;padding:.15rem .75rem;font-size:.75rem;text-decoration:none}.sister a:hover{color:var(--text);border-color:var(--border-strong)}.sister a.sister-invite{color:var(--accent);border-color:#f0c46b73}.sister .sister-item a{font-size:inherit;color:inherit;text-underline-offset:2px;background:0 0;border:0;border-radius:0;padding:0;text-decoration:underline}@media (prefers-reduced-motion:reduce){.sister-clone{display:none}}html.a11y-still .sister-clone{display:none}@media print{.sister{display:none}}.section-sub{max-width:var(--measure);margin-top:-.5rem}.breadcrumb{color:var(--text-muted);margin-bottom:.75rem;font-size:.875rem}.breadcrumb a{color:var(--text-2)}.result-count{color:var(--text-muted);margin:0 0 1rem;font-size:.9rem}.empty-state{border:1px dashed var(--border-strong);border-radius:var(--radius);color:var(--text-2);padding:1.5rem}.callout{border-inline-start:3px solid var(--accent);border-radius:var(--radius-sm);background:var(--accent-soft);color:var(--text);margin:1rem 0 0;padding:.85rem 1rem;font-size:.975rem}.lesson-warn .callout{border-color:var(--warning);background:var(--warning-soft)}.plain-list{color:var(--text-2);margin:.25rem 0 1rem;padding-inline-start:1.2rem}.link-btn{color:var(--accent);font:inherit;text-underline-offset:.2em;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.grid-3{gap:1rem;display:grid}@media (width>=640px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=960px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}.card{position:relative}.type-tag{white-space:nowrap;border:1px solid;border-radius:999px;align-items:center;gap:.35em;padding:.1em .65em;font-size:.78rem;font-weight:600;line-height:1.6;display:inline-flex}.type-tag:before{content:"";background:currentColor;border-radius:50%;width:.5em;height:.5em}.type-sensory{color:var(--t-sensory);background:#7cc7dc1a}.type-motor{color:var(--t-motor);background:#ef9a8f1a}.type-mixed{color:var(--t-mixed);background:#c3a6f01a}.roman{border:1.5px solid var(--rc,var(--accent));background:color-mix(in srgb, var(--rc,var(--accent)) 12%, transparent);min-width:2.6rem;height:2.6rem;color:var(--rc,var(--accent));letter-spacing:.02em;direction:ltr;border-radius:12px;place-items:center;padding-inline:.4rem;font-family:Georgia,Times New Roman,serif;font-size:1.05rem;font-weight:700;display:inline-grid}.roman-sensory,.t-sensory{--rc:var(--t-sensory)}.roman-motor,.t-motor{--rc:var(--t-motor)}.roman-mixed,.t-mixed{--rc:var(--t-mixed)}.roman-lg{border-radius:14px;min-width:3.4rem;height:3.4rem;font-size:1.35rem}.roman-xl{border-width:2px;border-radius:18px;min-width:4.6rem;height:4.6rem;font-size:1.9rem}.comp{white-space:nowrap;background:var(--surface-2);color:var(--text-2);border:1px solid var(--border-strong);border-radius:6px;padding:.05em .55em;font-size:.78rem;font-weight:600;display:inline-block}.comp-special{color:#9fd8ea;border-color:#7cc7dc73}.comp-sensory{color:#b5dcc4;border-color:#7fcf9b66}.comp-motor{color:#f3b7ae;border-color:#ef9a8f73}.comp-para{color:#d6c4f5;border-color:#c3a6f073}.comp-badges{flex-wrap:wrap;gap:.35rem;display:flex}.comp-list{gap:.55rem;margin:0 0 1.25rem;padding:0;list-style:none;display:grid}.comp-list li{color:var(--text-2);grid-template-columns:7.2rem 1fr;align-items:baseline;gap:.75rem;display:grid}.comp-list .comp{justify-self:start}.comp-list-sm li{grid-template-columns:6.6rem 1fr;font-size:.925rem;line-height:1.5}@media (width<=480px){.comp-list li,.comp-list-sm li{grid-template-columns:1fr;gap:.2rem}}.brainstem{width:100%;height:auto;font-family:var(--font);-webkit-user-select:none;user-select:none;display:block}.bs-anat .bs-cbl{fill:#1a1f27;stroke:#2c3440;stroke-width:1.2px}.bs-anat .bs-fold{fill:none;stroke:#2a313c;stroke-width:1.2px}.bs-anat .bs-lobe{fill:#161b22;stroke:#2a323d;stroke-width:1.2px}.bs-anat .bs-stem{fill:#3a3433;stroke:#5a504c;stroke-width:1.2px}.bs-anat .bs-pons{fill:#443c3a;stroke:#62574f;stroke-width:1.2px}.bs-anat .bs-olive{fill:#4d4441;stroke:#6c605a;stroke-width:1.2px}.bs-anat .bs-groove{fill:none;stroke:#5e534d;stroke-width:1px;opacity:.7}.bs-anat .bs-midline{stroke:#2a2422;stroke-width:1.5px}.bs-n{fill:none;stroke:var(--nerve);stroke-linecap:round;transition:stroke .2s,opacity .2s,stroke-width .2s}.bs-n-fill{fill:var(--nerve);stroke:none;transition:fill .2s,opacity .2s}.bs-hit{fill:none;stroke:#0000;stroke-width:18px;stroke-linecap:round;pointer-events:stroke;cursor:pointer}.bs-label circle{fill:var(--bg);stroke:var(--nerve);stroke-width:1.4px;transition:fill .2s,stroke .2s}.bs-label text{fill:var(--nerve);text-anchor:middle;pointer-events:none;font-family:Georgia,Times New Roman,serif;font-size:11px;font-weight:700}[data-id]>.bs-label{cursor:pointer}.bs-structs path{stroke:var(--text-muted);stroke-width:.8px;fill:none;opacity:.6}.bs-structs circle{fill:var(--text-muted)}.bs-structs text{fill:var(--text-2);text-anchor:middle;font-size:11.5px}.brainstem.has-active .bs-nerve:not(.is-active) .bs-n,.brainstem.has-active .bs-nerve:not(.is-active) .bs-n-fill{opacity:.22}.brainstem.has-active .bs-nerve:not(.is-active) .bs-label{opacity:.4}.bs-nerve.is-active .bs-n{stroke:var(--nerve-hi);filter:drop-shadow(0 0 4px #ffd2788c)}.bs-nerve.is-active .bs-n-fill{fill:var(--nerve-hi)}.bs-nerve.is-active .bs-label circle{fill:var(--nerve);stroke:var(--nerve-hi)}.bs-nerve.is-active .bs-label text{fill:#2a1c00}.hero-cn{padding-block:3rem 1rem}@media (width>=880px){.hero-cn{grid-template-columns:1fr;padding-block:4.5rem 1.5rem}}.hero-cn h1{max-width:20ch}.hero-cn .lead{max-width:60ch}.explorer{gap:1.25rem;display:grid}@media (width>=900px){.explorer{grid-template:"fig panel""fig picker"1fr/minmax(0,1.05fr) minmax(0,1fr);align-items:start}.explorer-figure{grid-area:fig}.explorer-panel{grid-area:panel}.explorer-picker{grid-area:picker}}.explorer-figure{border:1px solid var(--border);border-radius:var(--radius-lg);background:radial-gradient(ellipse at 50% 40%, #151a21, var(--bg) 75%);margin:0;padding:.75rem}.explorer-figure .brainstem{max-width:520px;margin-inline:auto}.explorer-panel{min-height:14rem}.panel-intro,.panel-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-elev);padding:1.25rem 1.35rem}.panel-card{border-color:color-mix(in srgb, var(--rc) 40%, var(--border))}.panel-card p{color:var(--text-2)}.panel-head{align-items:center;gap:1rem;margin-bottom:.75rem;display:flex}.panel-head h3{margin:0;font-size:1.4rem}.panel-kicker{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:.5rem;margin:0 0 .2rem;font-size:.85rem;display:flex}.panel-exit{font-size:.925rem}.nerve-latin{color:var(--text-muted);text-align:right;margin:0;font-size:.9rem}.explorer-picker{grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem;display:grid}@media (width>=560px){.explorer-picker{grid-template-columns:repeat(3,minmax(0,1fr))}}.pick{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);min-height:44px;color:var(--text-2);font:inherit;text-align:start;cursor:pointer;align-items:center;gap:.55rem;padding:.35rem .6rem;font-size:.875rem;transition:border-color .15s,background .15s,color .15s;display:flex}.pick:hover{border-color:var(--border-strong);color:var(--text)}.pick[aria-pressed=true]{border-color:var(--rc);background:color-mix(in srgb, var(--rc) 12%, var(--surface));color:var(--text)}.pick-roman{text-align:center;min-width:2.1rem;color:var(--rc);direction:ltr;flex:none;font-family:Georgia,serif;font-weight:700}.pick-name{line-height:1.25}.memo-card .card-body{gap:.6rem}.memo-big{color:var(--accent);letter-spacing:.03em;margin:0;font-family:Georgia,serif;font-size:1.6rem;font-weight:700}.filters{flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;display:flex}.nerve-card{border-top:3px solid var(--rc)}.nerve-card-head{justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.25rem;display:flex}.nerve-card-en{text-align:right;color:var(--text-muted)!important;margin:-.3rem 0 0!important;font-size:.85rem!important}.table-title{margin-top:2.5rem}.nerve-table td,.nerve-table th{vertical-align:middle}.nerve-table th[scope=row] a{font-weight:600;display:block}.nerve-table th[scope=row] .muted{text-align:right;font-size:.8rem;font-weight:400;display:block}.nerve-table .roman{min-width:2.2rem;height:2.2rem;font-size:.9rem}.nerve-table .comp{margin:.1rem 0}.nerve-strip{scrollbar-width:none;margin:1.25rem 0 0;overflow-x:auto}.nerve-strip::-webkit-scrollbar{display:none}.nerve-strip ol{direction:ltr;justify-content:flex-start;gap:.35rem;margin:0;padding:0 0 .25rem;list-style:none;display:flex}.nerve-strip a{border:1px solid var(--border);min-width:2.5rem;height:2.2rem;color:var(--text-muted);border-radius:8px;place-items:center;padding-inline:.3rem;font-family:Georgia,serif;font-size:.85rem;font-weight:700;text-decoration:none;display:grid}.nerve-strip a:hover{color:var(--rc);border-color:var(--rc)}.nerve-strip a[aria-current=page]{color:var(--bg);background:var(--rc);border-color:var(--rc)}.nerve-top{align-items:center;gap:1.5rem;padding-block:1.75rem 1rem;display:grid}@media (width>=860px){.nerve-top{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}}.nerve-title{align-items:center;gap:1.1rem;margin-bottom:.9rem;display:flex}.nerve-title h1{margin:.1rem 0 .15rem}.nerve-kicker{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:.6rem;margin:0;font-size:.9rem;display:flex}.nerve-head .lead{color:var(--text);font-size:1.2rem}.nerve-locator{border:1px solid var(--border);border-radius:var(--radius-lg);background:radial-gradient(ellipse at 50% 40%, #151a21, var(--bg) 75%);margin:0;padding:.5rem}.nerve-locator .brainstem{max-width:340px;margin-inline:auto}.nerve-locator figcaption{color:var(--text-2);padding:.25rem .5rem .4rem;font-size:.8125rem}.nerve-facts{gap:.75rem;margin:0 0 1.5rem;display:grid}@media (width>=720px){.nerve-facts{grid-template-columns:repeat(4,minmax(0,1fr))}}.nerve-facts>div{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);padding:.8rem 1rem}.nerve-facts dt{color:var(--text-muted);margin-bottom:.2rem;font-size:.78rem}.nerve-facts dd{margin:0;font-size:.95rem;line-height:1.45}.try-section{background:linear-gradient(180deg, #f0c46b12, var(--bg) 90%);border-color:#f0c46b59;margin-bottom:1.25rem}.try-section .muted{margin-top:-.5rem}.try-q{color:var(--text);font-size:1.15rem;font-weight:600}.try .quiz-options{margin:0;padding:0;list-style:none}.try-feedback{min-height:1.5em;margin:.75rem 0 0;font-weight:600}.try-feedback.is-correct{color:var(--success)}.try-feedback.is-wrong{color:var(--warning)}.try-answer{margin-top:.5rem}.try-answer summary{cursor:pointer;color:var(--accent);font-size:.925rem}.try-answer p{color:var(--text-2);margin:.6rem 0 0}.route{counter-reset:route;margin:0 0 1rem;padding:0;list-style:none}.route li{counter-increment:route;color:var(--text-2);padding:.35rem 2.4rem .9rem 0;position:relative}.route li:before{content:counter(route);inset-inline-start:0;border:1.5px solid var(--nerve);background:var(--bg);width:1.6rem;height:1.6rem;color:var(--nerve);z-index:1;border-radius:50%;place-items:center;font-size:.78rem;font-weight:700;display:grid;position:absolute;top:.3rem}.route li:not(:last-child):after{content:"";inset-inline-start:.78rem;background:linear-gradient(var(--nerve), #f0c46b40);width:2px;position:absolute;top:1.9rem;bottom:0}.route li:last-child{color:var(--text);font-weight:600}.route-foramen{color:var(--text-2);margin:0;font-size:.95rem}.exam-steps{color:var(--text-2);gap:.45rem;margin:0 0 .5rem;padding-inline-start:1.3rem;display:grid}.sign-list,.fact-list{color:var(--text-2);gap:.45rem;margin:0;padding-inline-start:1.2rem;display:grid}.fact-list li::marker{color:var(--accent)}.sign-list li::marker{color:var(--warning)}.lessons>.lesson+.lesson{margin-top:0}.nerve-top+.try-section+.lessons,.nerve-top+.nerve-facts+.try-section+.lessons{gap:1.25rem;display:grid}.related{margin-top:2.5rem}.related h2{font-size:1.3rem}.pager{margin-top:2.5rem}.floors{gap:.5rem;margin:1rem 0 1.25rem;padding:0;list-style:none;display:grid}.floor{border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);grid-template-columns:1fr;align-items:center;gap:.15rem 1rem;padding:.75rem 1rem;display:grid}@media (width>=640px){.floor{grid-template-columns:12rem 8.5rem 1fr}}.floor-name{font-weight:600}.floor-name span{color:var(--text-muted);font-size:.85rem;font-weight:400}.floor-nerves{color:var(--nerve);text-align:right;direction:ltr;font-family:Georgia,serif;font-weight:700}.floor-note{color:var(--text-2);font-size:.925rem}.floor-fore{border-inline-start:4px solid #6b5f8e}.floor-mid{border-inline-start:4px solid #7a6a55}.floor-pons{border-inline-start:4px solid #8b7a5c}.floor-med{border-inline-start:4px solid #9a8760}.type-cards{margin:1rem 0 1.25rem}.type-card{border-radius:var(--radius);border:1px solid color-mix(in srgb, var(--rc) 35%, var(--border));background:color-mix(in srgb, var(--rc) 6%, var(--surface));padding:1rem 1.1rem}.type-card p{color:var(--text-2);margin:.6rem 0 0;font-size:.95rem}.type-list{text-align:right;direction:ltr;font-family:Georgia,serif;font-weight:700;color:var(--rc)!important}.il-brain{fill:#1c2129;stroke:#3a4350;stroke-width:1.2px}.il-stem{fill:#3a3433;stroke:#5a504c}.il-cell{fill:var(--t-motor)}.il-nuc{fill:var(--t-motor);stroke:#fff;stroke-width:1px}.il-axon{fill:none;stroke:var(--t-motor);stroke-width:2px;stroke-dasharray:0;opacity:.85}.il-axon-2{stroke-dasharray:5 4}.il-nerve{fill:none;stroke:var(--nerve);stroke-width:4px;stroke-linecap:round}.il-muscle{fill:#6b3b38;stroke:#a0605a}.il-small{fill:var(--text-muted);font-size:11.5px;font-family:var(--font)}.mnemo h3{margin-top:1.5rem;font-size:1.05rem}.mnemo-row{flex-wrap:wrap;gap:.4rem;margin:.5rem 0 .75rem;padding:0;list-style:none;display:flex}.mnemo-row li{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);min-width:4.4rem;color:var(--text);flex-direction:column;align-items:center;padding:.45rem .5rem .4rem;font-size:1rem;display:flex}.mnemo-row li b{color:var(--accent);font-size:1.15rem}.mnemo-row li span{color:var(--text-muted);text-align:center;margin-top:.15rem;font-size:.7rem;line-height:1.3}.mnemo-row li[class*=t-]{border-color:color-mix(in srgb, var(--rc) 40%, var(--border))}.mnemo-row li[class*=t-] b{color:var(--rc)}.memo-list{color:var(--text-2);gap:.45rem;padding-inline-start:1.2rem;display:grid}.kit{grid-template-columns:repeat(auto-fill,minmax(min(100%,15rem),1fr));gap:.5rem;margin:0;padding:0;list-style:none;display:grid}.kit li{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text-2);align-items:center;gap:.65rem;padding:.7rem .9rem;display:flex}.kit-ico{font-size:1.3rem}.exam-list{gap:.5rem;display:grid}.exam-item{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden}.exam-item[open]{border-color:color-mix(in srgb, var(--rc) 45%, var(--border))}.exam-item summary{cursor:pointer;align-items:center;gap:.85rem;padding:.6rem .9rem;list-style:none;display:flex}.exam-item summary::-webkit-details-marker{display:none}.exam-item summary:after{content:"+";color:var(--text-muted);margin-inline-start:auto;font-size:1.3rem;line-height:1}.exam-item[open] summary:after{content:"–"}.exam-item .roman{min-width:2.3rem;height:2.3rem;font-size:.9rem}.exam-name{font-weight:600}.exam-what{color:var(--text-muted);font-size:.9rem}@media (width<=560px){.exam-item summary{flex-wrap:wrap}.exam-what{flex-basis:100%;margin-top:-.4rem;padding-inline-start:3.15rem}.exam-item summary:after{position:absolute;inset-inline-end:1rem}.exam-item{position:relative}}.exam-body{border-top:1px solid var(--border);padding:.25rem 1.1rem 1rem}.exam-body .exam-steps{margin-top:.85rem}.reflex-table td a,.reflex-table th a{font-family:Georgia,serif;font-weight:700}.lab-card .card-body{gap:.45rem}.lab-card h2{font-size:1.2rem}.lab-card-nerves{text-align:right;font-family:Georgia,serif;font-weight:700;color:var(--nerve)!important;margin:0!important;font-size:.95rem!important}.lab-root{margin-bottom:2rem}.lab-layout{gap:1.1rem;display:grid}@media (width>=960px){.lab-layout{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);grid-template-areas:"stage controls""stage readout";align-items:start}.lab-layout>.lab-stage{grid-area:stage}.lab-layout>.lab-controls{grid-area:controls}.lab-layout>.lab-readout{grid-area:readout}}.lab-stage{margin:0}.lab-stage>svg{touch-action:manipulation;border-radius:18px;width:100%;height:auto;display:block}.lab-stage>svg.eyes-stage,svg.eyes-stage{touch-action:none}.lab-stage-narrow>svg{max-width:460px;margin-inline:auto}.stage-hint{text-align:center;margin:.5rem 0 0;font-size:.85rem}.stage-bg{fill:#10141a;stroke:var(--border)}.stage-label{fill:var(--text-muted);font-size:13px;font-family:var(--font)}.lab-controls{gap:1rem;display:grid}.chip-set{border:0;flex-wrap:wrap;gap:.4rem;margin:0;padding:0;display:flex}.chip-set legend{margin-bottom:.45rem;padding:0;font-size:.925rem;font-weight:600}.chip-set-col{flex-direction:column;align-items:stretch}.chip-set-col .chip{justify-content:flex-start}.chip-set-roman .chip{min-width:2.75rem;color:var(--rc);justify-content:center;font-family:Georgia,serif;font-weight:700}.lab-readout{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-elev);padding:1rem 1.15rem}.lab-explain{color:var(--text-2);margin:0}.lab-readout .callout{margin-top:.85rem}.muscle-h{color:var(--text-muted);letter-spacing:.02em;margin:0 0 .35rem;font-size:.8rem;font-weight:600}.face-skin{fill:#2a2522;stroke:#3d3530;stroke-width:1.5px}.face-nose{fill:none;stroke:#4a403a;stroke-width:2px;stroke-linecap:round}.eye-white{fill:#e9e4dc}.eye-line{fill:none;stroke:#1a1512;stroke-width:2px}.iris{fill:#5d7f8e;stroke:#34505c;stroke-width:1.5px}.iris-big{fill:#6b8a5e;stroke:#445c3a}.pupil{fill:#0a0a0a}.pupil-anim{transform-box:fill-box;transform-origin:50%;transition:transform .55s cubic-bezier(.3,.6,.2,1)}.glint{fill:#fff;opacity:.75}.lid{fill:#3b322d}.lid-anim{transition:height .4s var(--ease)}.brow{fill:none;stroke:#4a3d33;stroke-width:7px;stroke-linecap:round}.target-ring{fill:#f0c46b26;stroke:var(--accent);stroke-width:2px}.target-dot{fill:var(--accent)}.target{cursor:grab}.eyes-stage:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.eyes-stage{cursor:crosshair}.muscles{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem;display:grid}.muscle-col ul{gap:.25rem;margin:0;padding:0;font-size:.925rem;list-style:none;display:grid}.muscle-col li{color:var(--text)}.muscle-col li.is-bad{color:var(--danger)}.nerve-num{color:var(--nerve);font-family:Georgia,serif;font-weight:700}.is-bad .nerve-num{color:var(--danger)}.diplo{grid-template-columns:8.5rem 1fr;align-items:center;gap:.25rem 1rem;margin-bottom:1rem;display:grid}.diplo .muscle-h{grid-column:1/-1}.diplo-view{width:100%;height:auto}.diplo-bg{fill:#0d1015;stroke:var(--border)}.diplo-img-l{fill:var(--accent)}.diplo-img-r{fill:none;stroke:var(--t-sensory);stroke-width:2.5px}.diplo-text{color:var(--text);margin:0;font-size:.925rem}.beam{opacity:0;pointer-events:none;transition:opacity .3s}.beam.is-on{opacity:.55}.stage-mm{fill:var(--text-2);font-size:12px;font-family:var(--font)}.seg{fill:none;stroke-width:3px;stroke-linecap:round;opacity:.3;transition:opacity .3s,stroke .3s}.seg-aff{stroke:var(--t-sensory)}.seg-eff{stroke:var(--t-motor)}.seg.is-on{opacity:1;filter:drop-shadow(0 0 3px)}.center-box{fill:var(--surface-2);stroke:var(--border-strong)}.center-text{fill:var(--text-2);text-anchor:middle;dominant-baseline:middle;font-size:11px;font-family:var(--font)}.seg-label{fill:var(--text-muted);font-family:Georgia,serif;font-size:12px;font-weight:700}.break{opacity:0;transition:opacity .2s}.break.is-on{opacity:1}.break path{stroke:var(--danger);stroke-width:3px;stroke-linecap:round}.pupil-read{grid-template-columns:1fr 1fr;gap:.75rem;margin:0 0 1rem;display:grid}.pupil-read dt{color:var(--text-muted);font-size:.8rem}.pupil-read dd{margin:0;font-weight:600}.vp-brain{fill:#151a21;stroke:#2a323d;stroke-width:1.5px}.vp-mid{stroke:#222a34;stroke-width:1.5px;stroke-dasharray:4 5}.vp-eye{fill:#e9e4dc;stroke:#1a1512;stroke-width:2px}.vp-retina{fill:none;stroke-width:6px;stroke-linecap:round}.vp-fiber{fill:none;stroke-width:3.2px;stroke-linecap:round;opacity:.85}.vp-meyer{stroke-dasharray:2 5;stroke-width:2.6px}.vp-node{fill:var(--surface-2);stroke:var(--border-strong)}.vp-cortex{fill:none;stroke:var(--text-muted);stroke-width:6px;stroke-linecap:round;opacity:.6}.vp-tag{fill:var(--text-2);font-size:12px;font-family:var(--font)}.vp-mark{cursor:pointer}.vp-mark circle{fill:var(--bg);stroke:var(--text-2);stroke-width:1.5px}.vp-mark text{fill:var(--text);font-size:12px;font-weight:700;font-family:var(--font)}.vp-mark .vp-x{stroke:var(--danger);stroke-width:3px;stroke-linecap:round;opacity:0}.vp-mark:hover circle{stroke:var(--accent)}.vp-mark.is-active circle{fill:#3a1714;stroke:var(--danger)}.vp-mark.is-active text{opacity:0}.vp-mark.is-active .vp-x{opacity:1}.fields{direction:ltr;grid-template-columns:1fr 1fr;gap:.75rem;margin-bottom:.5rem;display:grid}.field-fig{text-align:center;direction:rtl;margin:0}.field-fig figcaption{color:var(--text-2);font-size:.85rem}.field{width:100%;max-width:180px;height:auto;margin-inline:auto}.field-half{opacity:.35}.field-dark path{fill:#050608}.field-spare{fill:#8a8f96;opacity:.55}.field-ring{fill:none;stroke:var(--text-muted);stroke-width:1.5px}.field-axis{stroke:var(--text-muted);stroke-width:.8px;opacity:.5}.field-fix{fill:var(--text)}.field-legend{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:.3rem .9rem;margin:0 0 .85rem;font-size:.8rem;display:flex}.sw{vertical-align:-.1em;border-radius:3px;width:.85rem;height:.85rem;margin-inline-end:.3rem;display:inline-block}.sw-left{background:var(--field-left);opacity:.6}.sw-right{background:var(--field-right);opacity:.6}.sw-dark{border:1px solid var(--border-strong);background:#050608}.face-ear{fill:#2a2522;stroke:#3d3530;stroke-width:1.5px}.face-hair{fill:#1d1815}.wrinkles path{fill:none;stroke:#4d413a;stroke-width:2px;stroke-linecap:round}.wrinkles{transition:opacity .3s}.f-brow{fill:none;stroke:#4a3d33;stroke-width:8px;stroke-linecap:round;transition:d .3s}.f-lid{fill:none;stroke:#1a1512;stroke-width:2.5px;stroke-linecap:round}.f-fold{fill:none;stroke:#4d413a;stroke-width:2.2px;stroke-linecap:round}.f-cheek{fill:#3a302b;opacity:.9}.f-mouth{fill:none;stroke:#1a1210;stroke-width:3px;stroke-linecap:round}.f-lips{fill:#7d4a45;stroke:#5e3430;stroke-width:1.5px}.sk-outline{fill:#2d2a26;stroke:#4d4740;stroke-width:2px}.sk-fossa{stroke:none}.sk-mid{fill:#26231f}.sk-post{fill:#1f1d1a}.sk-ridge{fill:none;stroke:#5d554b;stroke-width:3px;stroke-linecap:round}.sk-line{fill:none;stroke:#5d554b;stroke-width:2px;stroke-linecap:round}.sk-clivus{fill:#34302b;stroke:#4d4740}.sk-fossa-label,.sk-dir{fill:var(--text-muted);font-size:12px;font-family:var(--font)}.sk-hole{cursor:pointer}.sk-hole>*,.sk-hole g>*{fill:#0a0908;stroke:#6b6258;stroke-width:1.2px;transition:fill .2s,stroke .2s}.sk-hole:hover>*,.sk-hole:hover g>*{stroke:var(--accent)}.sk-hole.is-active>*,.sk-hole.is-active g>*{fill:var(--nerve);stroke:var(--nerve-hi);filter:drop-shadow(0 0 5px #ffd27899)}.skull-title{margin-bottom:.4rem;font-size:1.3rem}.skull-title .muted{text-align:right;font-size:.85rem;font-weight:400;display:block}.skull-panel p{color:var(--text-2)}.pill-row{flex-wrap:wrap;gap:.4rem;margin-bottom:1rem;display:flex}.nerve-pill{border:1px solid color-mix(in srgb, var(--rc) 50%, var(--border));background:color-mix(in srgb, var(--rc) 8%, var(--surface));color:var(--text);border-radius:999px;align-items:center;gap:.45rem;padding:.3rem .75rem;font-size:.9rem;text-decoration:none;display:inline-flex}.nerve-pill b{color:var(--rc);direction:ltr;font-family:Georgia,serif}.nerve-pill:hover{color:var(--text);border-color:var(--rc)}.quiz-lab{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-elev);max-width:760px;padding:1.4rem 1.4rem 1.6rem}.quiz-lab .quiz-options{margin:0;padding:0;list-style:none}.quiz-progress{color:var(--text-muted);justify-content:space-between;font-size:.85rem;display:flex}.progress-bar{background:var(--surface-2);border-radius:4px;height:4px;margin:.5rem 0 1.25rem;overflow:hidden}.progress-bar i{background:var(--accent);height:100%;transition:width .3s var(--ease);display:block}.quiz-question{margin-bottom:1rem;font-size:1.2rem;font-weight:600}.quiz-feedback{margin-top:1rem}.quiz-feedback p{color:var(--text-2);margin-bottom:.85rem}.fb-ok strong{color:var(--success)}.fb-bad strong{color:var(--warning)}.score-big{color:var(--accent);margin:0 0 .5rem;font-size:4rem;font-weight:800;line-height:1}.score-big span{color:var(--text-muted);font-size:1.6rem;font-weight:600}.b3d{gap:.6rem;display:grid}.b3d-stage{aspect-ratio:1/1.08;touch-action:pan-y;background:radial-gradient(at 50% 45%,#1a1f27,#0b0e12 75%);border-radius:14px;width:100%;max-height:640px;position:relative;overflow:hidden}@media (width>=900px){.b3d-stage{aspect-ratio:auto;height:600px}}.b3d-canvas,.b3d-canvas canvas{width:100%;height:100%;display:block;position:absolute;inset:0}.b3d-canvas canvas{cursor:grab}.b3d-canvas canvas:active{cursor:grabbing}.b3d-labels{pointer-events:none;position:absolute;inset:0;overflow:hidden}.b3d-label{pointer-events:auto;border:1.4px solid var(--nerve);min-width:26px;height:26px;color:var(--nerve);cursor:pointer;direction:ltr;background:#0b0e12d1;border-radius:13px;padding:0 5px;font:700 11px/1 Georgia,Times New Roman,serif;transition:opacity .2s,background .2s,color .2s;position:absolute;top:0;left:0}.b3d-label:hover{background:var(--surface-2)}.b3d-label.is-active{background:var(--nerve);color:#2a1c00;border-color:var(--nerve-hi)}.b3d-label.is-dim{opacity:.35}.b3d-status{color:var(--text-muted);place-items:center;margin:0;font-size:.9rem;display:grid;position:absolute;inset:0}.b3d-bar{flex-wrap:wrap;justify-content:space-between;gap:.5rem;display:flex}.b3d-group{flex-wrap:wrap;gap:.35rem;display:flex}.b3d-bar .chip{min-height:34px;padding-block:.2rem;font-size:.85rem}.b3d-toggle{margin-top:.5rem;font-size:.85rem}.b3d-hint{margin:.25rem 0 0;font-size:.82rem}.explorer-figure:has(.b3d:not([hidden])){padding:.5rem}.b3d-stage-sm{aspect-ratio:1;max-height:420px}@media (width>=900px){.b3d-stage-sm{aspect-ratio:1;height:auto}}.b3d-mini-bar{flex-wrap:wrap;gap:.35rem;padding:.5rem .25rem 0;display:flex}.b3d-mini-bar .chip{min-height:32px;padding:.15rem .7rem;font-size:.8rem}.b3d-seg{flex-wrap:wrap;gap:.35rem;display:inline-flex}.b3d-seg[hidden]{display:none}.b3d-switch{border-color:var(--accent);color:var(--accent)}.b3d-legend{inset-inline-start:10px;color:var(--text-2);pointer-events:none;background:#0b0e12b8;border-radius:8px;flex-wrap:wrap;gap:.3rem .8rem;margin:0;padding:.3rem .6rem;font-size:.75rem;display:flex;position:absolute;bottom:10px}.b3d-legend span{align-items:center;gap:.35rem;display:inline-flex}.b3d-legend i{border-radius:50%;width:9px;height:9px}.lg-in{background:#38c8ff;box-shadow:0 0 6px #38c8ff}.lg-out{background:#f54;box-shadow:0 0 6px #f54}.dgm{align-items:start;gap:1.25rem;display:grid}@media (width>=760px){.dgm{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}}.dgm-fig{border:1px solid var(--border);border-radius:var(--radius-lg);background:radial-gradient(ellipse at 50% 40%, #151a21, var(--bg) 75%);padding:.5rem}.dgm-svg{width:100%;max-width:320px;height:auto;font-family:var(--font);margin-inline:auto;display:block}.dgm-side{gap:.85rem;display:grid}.dgm-btns,.dgm-modes{flex-wrap:wrap;gap:.4rem;display:flex}.dgm-btn{border-color:color-mix(in srgb, var(--dc) 50%, var(--border-strong))}.dgm-btn:before{content:"";background:var(--dc);border-radius:50%;width:.6em;height:.6em;margin-inline-end:.45em}.dgm-btn[aria-pressed=true]{background:color-mix(in srgb, var(--dc) 18%, transparent);border-color:var(--dc);color:var(--text)}.dgm-info{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);min-height:7rem;padding:.9rem 1rem}.dgm-info p{color:var(--text-2);margin:0 0 .5rem;font-size:.95rem}.dgm-info p:last-child{margin-bottom:0}.dgm-title{flex-wrap:wrap;align-items:center;gap:.5rem;font-weight:700;display:flex;color:var(--text)!important;font-size:1.02rem!important}.dgm-title:before{content:"";background:var(--dc);border-radius:3px;width:.75em;height:.75em}.dgm-zone{fill:color-mix(in srgb, var(--dc) 42%, #1a1e25);stroke:#0b0e12;stroke-width:1.5px;cursor:pointer;transition:fill .2s,opacity .2s}.dgm-zone:hover,.dgm-zone.is-on{fill:color-mix(in srgb, var(--dc) 80%, #1a1e25)}.dgm-zone.is-off{opacity:.35}.dgm-outline{fill:none;stroke:#c9b6ae;stroke-width:2px;pointer-events:none}.dgm-ear{fill:#3a302b;stroke:#5a4c44;stroke-width:1.5px}.dgm-features{fill:none;stroke:#0b0e12;stroke-width:2.2px;stroke-linecap:round;opacity:.75;pointer-events:none}.dgm-tags text{fill:#0b0e12;pointer-events:none;font:700 15px Georgia,Times New Roman,serif}.dgm-small text{fill:var(--text-muted);font-size:11px}.dgm-sulcus{fill:none;stroke:#0b0e12;stroke-width:2.5px;stroke-dasharray:5 4;pointer-events:none}.dgm-midline{stroke:#0b0e12;stroke-width:1.5px;opacity:.45;pointer-events:none}.dgm-papillae circle{fill:#0b0e12;opacity:.35;pointer-events:none}.dgm-legend{color:var(--text-2);gap:.3rem;margin:0;padding:0;font-size:.875rem;list-style:none;display:grid}.dgm-legend li{align-items:center;gap:.5rem;display:flex}.dgm-legend i{background:var(--dc);border-radius:3px;flex:none;width:.8em;height:.8em}.dgm-legend b{color:var(--text);min-width:2.2em;font-family:Georgia,serif}.dgm-head{fill:#2a2522;stroke:#5a4c44;stroke-width:1.8px}.dgm-parotid{fill:#5b4a3f;stroke:#7d6656;stroke-width:1.5px}.dgm-branch{cursor:pointer}.dgm-branch path:not(.dgm-hit){fill:none;stroke:var(--dc);stroke-width:4px;stroke-linecap:round;transition:stroke-width .2s,opacity .2s}.dgm-branch .dgm-hit{fill:none;stroke:#0000;stroke-width:20px;stroke-linecap:round}.dgm-branch:hover path:not(.dgm-hit),.dgm-branch.is-on path:not(.dgm-hit){stroke-width:6.5px;filter:drop-shadow(0 0 4px var(--dc))}.dgm-branch.is-off{opacity:.3}.dgm-origin{fill:var(--nerve);stroke:#0b0e12;stroke-width:1.5px}.pic{margin:1.25rem 0 0}.pic img{border-radius:var(--radius);background:#f4efe6;width:auto;max-width:100%;height:auto;max-height:min(78vh,720px);display:block}.pic-zoom{border-radius:var(--radius);display:block}.pic figcaption{color:var(--text-2);margin-top:.5rem;font-size:.85rem;line-height:1.55}.pic-credit{color:var(--text-muted);font-size:.78rem;display:block}.pic-credit a{color:var(--text-muted)}.pic-atlas{max-width:560px}.tl-figure.pic{margin:-1rem -1.15rem .9rem}.tl-figure.pic img{border-radius:var(--radius-lg) var(--radius-lg) 0 0;object-fit:contain;width:100%;max-height:420px}.tl-figure.pic figcaption{padding:0 1.15rem}.credits{gap:.85rem;margin:0;padding:0;list-style:none;display:grid}.credits li{grid-template-columns:64px 1fr;align-items:start;gap:.85rem;display:grid}.credits img{object-fit:cover;background:#f4efe6;border-radius:8px;width:64px;height:64px}.credits p{margin:0 0 .15rem;font-size:.875rem}.credit-title{font-weight:600}.b3d-pause{inset-inline-end:10px;border:1px solid var(--border-strong);min-height:34px;color:var(--text);font:inherit;cursor:pointer;background:#0b0e12cc;border-radius:999px;align-items:center;gap:.4rem;padding:.25rem .75rem;font-size:.8rem;display:inline-flex;position:absolute;top:10px}.b3d-pause:hover{border-color:var(--accent)}.b3d-pause svg{width:12px;height:12px}.b3d-pause[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}.roman-zero{--rc:#9aa4b2;border-style:dashed}.type-zero{color:#9aa4b2;background:#9aa4b21a}.zero-card{border:1px dashed var(--border-strong);border-radius:var(--radius-lg);background:var(--bg-elev);align-items:flex-start;gap:1rem;margin-top:2rem;padding:1.1rem 1.25rem;display:flex}.zero-card h2{margin:0 0 .3rem;font-size:1.15rem}.zero-card p{color:var(--text-2);margin:0 0 .6rem}.zero-fallback{padding:1rem}.zero-hypo li{margin-bottom:.35rem}.zero-sources{margin-top:1.5rem;font-size:.82rem}#zero-root .lessons{gap:1.25rem;display:grid}.credits p.muted a,.pic-credit a{white-space:nowrap}.pick-zero{--rc:#9aa4b2;border-style:dashed;grid-column:1/-1}.panel-zero{--rc:#9aa4b2}.papers{gap:.6rem;margin:.75rem 0 0;padding:0;list-style:none;display:grid}.papers li{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:.8rem 1rem}.paper-title{font-weight:600;line-height:1.45}.paper-en{color:var(--text-muted);text-align:left;overflow-wrap:anywhere;margin:.3rem 0 0;font-size:.8rem;line-height:1.45}.paper-meta{color:var(--text-2);margin:.4rem 0 0;font-size:.8rem}.paper-kind{color:var(--accent);background:#f0c46b1f;border-radius:999px;margin-inline-end:.35rem;padding:.05rem .5rem;font-size:.75rem;display:inline-block}.paper-note{margin-top:.75rem;font-size:.8rem}.report-error{text-align:center;margin:1.5rem 0 0;font-size:.875rem}.quiz-nerve-list{columns:2}@media (width<=560px){.quiz-nerve-list{columns:1}}.press-list{gap:1.25rem;margin-top:1.5rem;display:grid}.press-item{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-elev);padding:1.25rem}.press-item h2{margin:.2rem 0 .75rem;font-size:1.35rem}.press-item p{color:var(--text-2)}.press-date{color:var(--text-muted);margin:0;font-size:.85rem}.press-quote{border-inline-start:3px solid var(--accent);color:var(--text);margin:1rem 0;padding:.5rem 1rem;font-size:1.1rem}.press-quote p{color:var(--text);margin:0}.press-sources{font-size:.85rem}.press-known{border-radius:var(--radius);background:var(--surface);margin-top:1rem;padding:1rem 1.1rem}.press-known h3{margin:0 0 .5rem;font-size:1.05rem}.press-known ul{gap:.4rem;margin:0;padding-inline-start:1.2rem;display:grid}.press-links{flex-wrap:wrap;gap:.5rem 1.25rem;margin-bottom:0;display:flex}.press-note{margin-top:1.5rem;font-size:.875rem}.in-news{border:1px dashed var(--border-strong);border-radius:var(--radius);margin-top:1.5rem;padding:.9rem 1.1rem}.in-news-kicker{color:var(--accent);margin:0 0 .25rem;font-size:.8rem;font-weight:600}.in-news p:last-child{margin-bottom:0}.press-cards{grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:1rem;margin:1.5rem 0 0;padding:0;list-style:none;display:grid}.press-card{border:1px solid var(--border);border-inline-start:3px solid var(--rc,var(--accent));border-radius:var(--radius-lg);background:var(--bg-elev);padding:1.15rem 1.25rem;transition:border-color .15s;position:relative}.press-card:hover,.press-card:focus-within{border-color:var(--border-strong);border-inline-start-color:var(--rc,var(--accent))}.press-card h2{margin:.3rem 0 .5rem;font-size:1.2rem}.press-card h2 a{color:var(--text);text-decoration:none}.press-card p{color:var(--text-2);margin:0}.press-card .press-more{color:var(--accent);margin-top:.6rem;font-size:.875rem}.press-nerve{color:var(--rc,var(--text-2))}.press-item h1{margin:.3rem 0 1rem;font-size:clamp(1.6rem,4vw,2.2rem)}.press-item{margin-top:1rem}.press-back{margin-top:1.25rem}.mnemo-row li .mnemo-word{color:var(--text);white-space:nowrap;margin:0;font-size:1.05rem;line-height:1.35}.mnemo-row li .mnemo-word b{font-size:1.15rem}.mnemo-sentence{border-radius:var(--radius-sm);background:var(--surface);color:var(--accent);text-align:left;margin:.4rem 0 .25rem;padding:.6rem .9rem;font-size:1.05rem;font-weight:600}.floors-wrap{margin:1rem 0 1.25rem}.floors-wrap .floors{margin:.35rem 0}.floors-edge{color:var(--text-muted);text-align:center;margin:0;font-size:.85rem}.floor-fore{border-style:dashed;opacity:.9;border-inline-start-style:solid}.floor-tag{color:#9aa4b2;background:#9aa4b21f;border-radius:999px;margin-inline-start:.4rem;padding:.05rem .5rem;font-size:.75rem;font-weight:400;display:inline-block}.roman-dict{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin:1rem 0;padding:.85rem 1rem}.roman-dict-head{justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.5rem;display:flex}.roman-dict-title{margin:0;font-weight:600}.roman-help-btn{border:1px solid var(--accent);width:32px;height:32px;color:var(--accent);font:inherit;cursor:pointer;background:0 0;border-radius:50%;font-weight:700}.roman-help-btn:hover,.roman-help-btn:focus-visible{background:#f0c46b26}.roman-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:.35rem;margin:0;padding:0;list-style:none;display:grid}.roman-grid li{border-radius:var(--radius-sm);background:var(--bg-elev);flex-direction:column;align-items:center;padding:.3rem 0;display:flex}.roman-grid b{color:var(--nerve);font-family:Georgia,serif;font-size:1.05rem}.roman-grid span{color:var(--text-2);font-size:.8rem}.roman-help{border:1px solid var(--border-strong);border-radius:var(--radius-lg);background:var(--bg-elev);max-width:min(92vw,30rem);color:var(--text);text-align:start;direction:rtl;margin:auto;padding:1.25rem 1.4rem}.roman-help::backdrop{background:#0000008c}.roman-help h3{margin:0 0 .6rem;font-size:1.15rem}.roman-help p{color:var(--text-2);margin:0 0 .6rem}.roman-help b{color:var(--nerve);font-family:Georgia,serif}.lead-sm{color:var(--text-2);margin:-.25rem 0 1rem}.memo-card h3{margin:.25rem 0 .1rem;font-size:1.1rem}.memo-card p{margin:0}.memo-card .memo-list{margin:0;padding-inline-start:1.1rem;font-size:.925rem}.memo-card .memo-list b{color:var(--accent)}.roman-eq{flex-wrap:wrap;gap:.4rem 1rem;display:flex}.roman-eq span{border-radius:var(--radius-sm);background:var(--surface);color:var(--text);padding:.15rem .6rem;font-family:Georgia,serif}.memo-card .memo-big{color:var(--accent);font-family:Georgia,serif;font-size:1.6rem;font-weight:700}.nerve-strip{overflow:visible}.nerve-strip ol{flex-wrap:wrap}@media (width<=560px){.nerve-strip ol{grid-template-columns:repeat(6,minmax(0,1fr));display:grid}.nerve-strip a{min-width:0}}@media (width<=720px){.nerve-table thead{display:none}.nerve-table,.nerve-table tbody,.nerve-table tr,.nerve-table td,.nerve-table th{width:100%;display:block}.nerve-table tr{border-bottom:1px solid var(--border);grid-template-columns:auto 1fr;column-gap:.75rem;padding:.8rem 1rem;display:grid}.nerve-table tr:last-child{border-bottom:0}.nerve-table td,.nerve-table th{border:0;padding:.15rem 0}.nerve-table td:first-child{grid-row:span 2;align-self:start}.nerve-table th[scope=row]{background:0 0}.nerve-table td[data-label]{flex-wrap:wrap;grid-column:1/-1;align-items:baseline;gap:.5rem;font-size:.9rem;display:flex}.nerve-table td[data-label]:before{content:attr(data-label) ":";color:var(--text-muted);flex:none;font-size:.8rem}.nerve-table .table-wrap{overflow:visible}.table-wrap:has(.nerve-table){overflow:visible}}.floor-group{grid-template-columns:1.6rem 1fr;gap:.5rem;margin:.4rem 0;display:grid}.floor-group .floors{margin:0}.floor-group-label{writing-mode:vertical-rl;text-align:center;letter-spacing:.05em;border-radius:var(--radius-sm);justify-content:center;align-self:stretch;align-items:center;margin:0;font-size:.85rem;font-weight:600;display:flex}.floor-group-brain .floor-group-label{color:#b5a8dc;background:#6b5f8e38}.floor-group-stem .floor-group-label{color:var(--accent);background:#f0c46b1a}.lesson>p,.lesson>ul:not([class*=grid]),.lesson>ol:not(.floors),.lesson .callout,.lesson .fact-list,.lesson .sign-list,.lesson .route,.lesson .comp-list,.page-head .lead,.lab-about p,.lab-about ul,.lab-about ol,.press-item>p,.press-known,.exam-body>ol,.exam-body>p{max-width:var(--measure)}.quiz-options>li{display:flex}.quiz-options .quiz-option{width:100%}.quiz-lab{margin-inline:auto}[lang=en],[lang=la],bdi{unicode-bidi:isolate}@media (width<=600px){main{padding-bottom:4.5rem}}#story-root{padding-top:1.5rem}.reflex-table th[scope=row]{color:var(--text);font-weight:600}.pic img{background:#1b1a17}.tl-figure.pic img{background:#14130f}.lab-layout>*{scroll-margin-top:90px}html{scroll-padding-top:72px}html:has(.lesson-nav){scroll-padding-top:124px}@media (width>=960px){html:has(.lesson-nav){scroll-padding-top:84px}}.table-wrap:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media (width<=959px){.lesson-nav{-webkit-mask-image:linear-gradient(90deg,#0000 0,#000 1.25rem calc(100% - 1.25rem),#0000 100%);mask-image:linear-gradient(90deg,#0000 0,#000 1.25rem calc(100% - 1.25rem),#0000 100%)}}.is-loading-3d{position:relative}.b3d-loading{visibility:hidden;pointer-events:none;inset:0 0 auto;position:absolute!important}.b3d-loading-note{text-align:center;margin:.25rem .5rem 0;font-size:.8rem}.nerve-intro{align-content:start;gap:1.25rem;display:grid}.nerve-intro .nerve-facts{grid-template-columns:repeat(2,minmax(0,1fr));margin:0}@media (width>=860px){.nerve-top{align-items:start}}.clinic-steps{counter-reset:cstep;gap:.6rem;margin:0 0 1.75rem;padding:0;list-style:none;display:grid}@media (width>=720px){.clinic-steps{grid-template-columns:repeat(4,minmax(0,1fr))}}.clinic-steps li{counter-increment:cstep;padding:.8rem 1rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);color:var(--text-2);padding-inline-start:2.6rem;font-size:.925rem;line-height:1.5;position:relative}.clinic-steps li:before{content:counter(cstep);inset-inline-start:.85rem;width:1.3rem;height:1.3rem;color:var(--accent);background:#f0c46b26;border-radius:50%;place-items:center;font-size:.8rem;font-weight:700;display:grid;position:absolute;top:.8rem}.clinic-steps strong{color:var(--text)}.case-cards{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:1rem;margin:0;padding:0;list-style:none;display:grid}.case-card h2{margin:.15rem 0 .25rem;font-size:1.15rem}.case-card p{color:var(--text-2);margin:0}.case-meta{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:.5rem;margin:0;font-size:.8rem;display:flex}.case-level{border:1px solid var(--border-strong);border-radius:999px;padding:.05rem .55rem}.case-level-1{color:#9fd8a8;border-color:#7fcf9b66}.case-level-2{color:var(--accent);border-color:#f0c46b66}.case-level-3{color:#f0a372;border-color:#f0a37273}.clinic-note{max-width:var(--measure);margin-top:1.75rem;font-size:.875rem}.case-view{padding-top:1.5rem}.case-view>.case>h1{margin:.3rem 0 .75rem;font-size:clamp(1.7rem,4.5vw,2.4rem)}.case-story{max-width:var(--measure);color:var(--text)}.case-step{margin-top:1.25rem}.case-step h2{margin:0 0 .75rem;font-size:1.2rem}.case-step h2:focus,.case>h1:focus{outline:none}.case-findings{max-width:var(--measure);gap:.5rem;margin:0 0 1rem;padding-inline-start:1.3rem;display:grid}.case-findings li{color:var(--text);animation:case-in .35s var(--ease)}@keyframes case-in{0%{opacity:0;transform:translateY(4px)}}@media (prefers-reduced-motion:reduce){.case-findings li{animation:none}}html.a11y-still .case-findings li{animation:none}.case-nerves{grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem;margin:.5rem 0 1rem;display:grid}@media (width>=560px){.case-nerves{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width>=960px){.case-nerves{grid-template-columns:repeat(4,minmax(0,1fr))}}.case-nerve{text-align:start;justify-content:flex-start;gap:.5rem;min-height:44px}.case-nerve-roman{text-align:center;min-width:2.2rem;color:var(--rc);direction:ltr;font-family:Georgia,serif;font-weight:700}.case-nerve-name{font-size:.85rem;line-height:1.3}.case-nerve[aria-disabled=true]{cursor:default}.case-nerve[aria-disabled=true]:not(.is-answer){opacity:.45}.case-nerve.is-answer{border-color:var(--success);background:var(--success-soft);color:var(--text)}.case-where{margin:0;padding:0;list-style:none}.quiz-option[aria-disabled=true]{cursor:default}.case-explain-grid{gap:1.25rem;display:grid}@media (width>=860px){.case-explain-grid{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);align-items:start}}.case-answer{margin:0 0 .5rem}.case-links{flex-wrap:wrap;gap:.5rem 1.25rem;display:flex}.case-sources{font-size:.85rem}.case-fig{justify-self:center;max-width:360px;margin:0}.case-fig svg{width:100%;height:auto}.case-end{margin-top:1.25rem}.act-out{border-radius:var(--radius);background:var(--surface);border-inline-start:3px solid var(--accent);color:var(--text);margin:.25rem 0 .6rem;padding:.65rem .85rem;font-size:.925rem;line-height:1.55}.act-out strong{color:var(--text-muted);margin-bottom:.1rem;font-size:.8rem;font-weight:600;display:block}.case-log-count{color:var(--text-muted);margin:0 0 .6rem;font-size:.875rem}.case-sub{margin:1.1rem 0 .5rem;font-size:1.05rem}.case-debrief-lead{color:var(--text)}.debrief{gap:.5rem;margin:0;padding:0;list-style:none;display:grid}.debrief li{border-radius:var(--radius);background:var(--surface);color:var(--text-2);grid-template-columns:1.5rem minmax(0,1fr);column-gap:.4rem;padding:.55rem .75rem;font-size:.9rem;line-height:1.5;display:grid}.debrief li>strong,.debrief li>span:not(.debrief-mark):not(.visually-hidden){grid-column:2}.debrief li>strong{color:var(--text);font-size:.85rem}.debrief-mark{text-align:center;grid-row:1/span 2;font-weight:700}.debrief-found .debrief-mark{color:var(--success)}.debrief-missed .debrief-mark{color:var(--warning,#f0a372)}.debrief-flags .debrief-mark{color:#ef9a8f}.debrief-nerves{color:var(--text-muted);font-family:Georgia,serif;font-weight:400}.case-ready{width:100%;margin-top:1rem}.case-bar{z-index:20;background:color-mix(in srgb, var(--bg) 94%, transparent);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid var(--border);align-items:center;gap:.5rem;margin:1.25rem -.25rem 0;padding:.5rem .25rem;display:flex;position:sticky;top:60px}.case-tabs{flex:1;gap:.25rem;min-width:0;display:flex}.case-tab{border-radius:var(--radius);min-width:0;min-height:44px;color:var(--text-2);font:inherit;cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #0000;flex:1;padding:.35rem .25rem;font-size:.95rem;font-weight:600;position:relative}.case-tab:hover{color:var(--text);background:var(--surface)}.case-tab[aria-selected=true]{color:var(--text);background:var(--surface);border-color:var(--border-strong);box-shadow:inset 0 -2px 0 var(--accent)}.case-tab-n{min-width:1.3em;color:var(--accent);vertical-align:middle;background:#f0c46b29;border-radius:999px;margin-inline-start:.35rem;padding:0 .3rem;font-size:.72rem;line-height:1.4;display:inline-block}.case-tab-n:empty{display:none}.case-ready-mini{min-height:36px;margin-inline-start:auto;padding:.25rem .85rem;font-size:.85rem}.case-panel{padding:1.1rem 0 .5rem;scroll-margin-top:130px}.case-panel[hidden]{display:none}.chat{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-elev);overscroll-behavior:contain;flex-direction:column;gap:.6rem;min-height:160px;max-height:min(52vh,420px);padding:1rem;display:flex;overflow-y:auto}.chat-hint{color:var(--text-muted);text-align:center;margin:auto;font-size:.925rem}.chat-pair{flex-direction:column;gap:.35rem;display:flex}.bubble{border-radius:16px;max-width:85%;margin:0;padding:.55rem .85rem;font-size:.95rem;line-height:1.5}.bubble-doc{color:var(--text);background:#f0c46b24;border-start-start-radius:4px;align-self:flex-start}.bubble-pt{background:var(--surface-2,#232a33);color:var(--text);border-start-end-radius:4px;align-self:flex-end}.chat-pair.is-flash .bubble{animation:.9s ease-out chat-flash}@keyframes chat-flash{0%{box-shadow:0 0 0 2px var(--accent)}to{box-shadow:0 0 #0000}}.chat-pair{animation:.2s ease-out act-in}.chat-qs{flex-wrap:wrap;gap:.4rem;margin-top:.85rem;display:flex}.chat-q{min-height:40px;font-size:.875rem}.chat-q.is-done,.mon-dev.is-done,.exam-test.is-done{color:var(--text-muted);border-color:var(--border);background:0 0}.chat-q.is-done:before,.mon-dev.is-done:before,.exam-test.is-done:before{content:"✓";color:var(--text-muted);margin-inline-end:.35rem;font-size:.8em}.monitor{border-radius:var(--radius-lg);background:linear-gradient(#05090c,#0a1115);border:1px solid #22303a;padding:1rem;box-shadow:inset 0 0 0 1px #ffffff05,0 6px 24px #00000059}.mon-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;display:grid}@media (width>=640px){.mon-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}.mon-cell{--mc:#7f8a96;background:#ffffff06;border:1px solid #ffffff0d;border-radius:10px;flex-direction:column;gap:.1rem;padding:.55rem .7rem;display:flex}.mon-cell.is-on{border-color:color-mix(in srgb, var(--mc) 35%, transparent)}.mon-hr{--mc:#5be08a}.mon-bp{--mc:#e8edf2}.mon-sat{--mc:#5ad1f0}.mon-temp{--mc:#f0c46b}.mon-glu{--mc:#e59ff0}.mon-k{color:#8a96a3;margin:0;font-size:.75rem}.mon-v{font-family:var(--font-mono);color:#3a444e;text-align:right;direction:ltr;font-size:1.7rem;font-weight:700;line-height:1.15}.mon-cell.is-on .mon-v{color:var(--mc);text-shadow:0 0 12px color-mix(in srgb, var(--mc) 35%, transparent)}.mon-u{color:#6c7783;font-size:.72rem}.mon-ecg{background:#04080a;border:1px solid #5be08a26;border-radius:10px;margin-top:.75rem;padding:.5rem}.mon-ecg svg{width:100%;height:auto;display:block}.ecg-g{stroke:#5be08a12;stroke-width:.6px}.ecg-g2{stroke:#5be08a29}.ecg-line{fill:none;stroke:#5be08a;stroke-width:1.6px;stroke-linejoin:round}.ecg-lead{fill:#5be08a;font:600 12px ui-monospace,monospace}@keyframes ecg-draw{to{stroke-dashoffset:0}}.mon-note{color:#b8c3cd;margin:.75rem 0 0;font-size:.9rem;line-height:1.5}.mon-devices{flex-wrap:wrap;gap:.4rem;margin-top:.85rem;display:flex}.mon-dev{min-height:44px}.exam-layout{gap:1rem;display:grid}@media (width>=860px){.exam-layout{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:start}.exam-panel{position:sticky;top:140px}}.body-wrap{border:1px solid var(--border);border-radius:var(--radius-lg);background:radial-gradient(at 50% 35%,#1a1f27,#0b0e12 75%);padding:.5rem}.body-svg{touch-action:manipulation;width:100%;height:auto;max-height:70vh;display:block}.spot{cursor:pointer;outline:none}.spot-area{fill:#0000;stroke:#0000;stroke-width:2px;transition:fill .15s,stroke .15s}.spot-lead{stroke:#f0c46b59;stroke-width:1.2px;stroke-dasharray:3 3}.spot-pill{fill:#11151beb;stroke:#f0c46b73;stroke-width:1.2px;transition:fill .15s,stroke .15s}.spot-text{fill:#e8ecf1;font:600 13px var(--font);pointer-events:none}.spot:hover .spot-area,.spot:focus-visible .spot-area,.spot.is-current .spot-area{fill:#f0c46b29;stroke:#f0c46bcc}.spot:hover .spot-pill,.spot:focus-visible .spot-pill{stroke:var(--accent)}.spot:focus-visible .spot-pill{stroke-width:2.5px}.spot.is-current .spot-pill{fill:var(--accent);stroke:var(--accent)}.spot.is-current .spot-text{fill:#14110a}.spot.is-current .spot-lead,.spot:hover .spot-lead{stroke:var(--accent);stroke-dasharray:none}.spot.is-done:not(.is-current) .spot-pill{stroke:#7fcf9b99}.exam-panel{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-elev);padding:1rem 1.1rem;scroll-margin-top:130px}.exam-hint{color:var(--text-muted);margin:0}.exam-region{margin:0 0 .6rem;font-size:1.2rem}.exam-region:focus{outline:none}.exam-tests{gap:.4rem;margin:0;padding:0;list-style:none;display:grid}.exam-test{border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--surface);width:100%;min-height:44px;color:var(--text);font:inherit;text-align:start;cursor:pointer;padding:.5rem .85rem;font-size:.95rem}.exam-test:hover{border-color:var(--accent)}.exam-test.is-current{border-color:var(--accent);color:var(--text);background:var(--surface)}.exam-out{margin:.35rem 0 .25rem}.exam-back{margin:.75rem 0 0;font-size:.85rem}.chart{gap:.75rem;display:grid}@media (width>=860px){.chart{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start}}.chart-sec{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-elev);padding:.85rem 1rem}.chart-sec h3{margin:0 0 .5rem;font-size:1.05rem}.chart-sec ul{gap:.55rem;margin:0;padding:0;list-style:none;display:grid}.chart-sec li{color:var(--text-2);font-size:.9rem;line-height:1.5}.chart-sec li strong{color:var(--text);font-size:.85rem;font-weight:600;display:block}.chart-sec p{margin:0}@media (prefers-reduced-motion:reduce){.chat-pair,.chat-pair.is-flash .bubble,.mon-ecg.is-draw .ecg-line{stroke-dashoffset:0;animation:none}}html.a11y-still .chat-pair,html.a11y-still .chat-pair.is-flash .bubble,html.a11y-still .mon-ecg.is-draw .ecg-line{stroke-dashoffset:0;animation:none}.cond-en{color:var(--text-muted);font-size:.6em;font-weight:400}.cond-cards .cond-en{font-size:.75em}.cond-head .press-date{margin-bottom:.4rem}.cond-note{border-inline-start:3px solid var(--accent);margin-top:1rem}.cond-toc{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elev);margin:1.5rem 0;padding:.9rem 1.1rem}.cond-toc-title{color:var(--text-muted);margin:0 0 .4rem;font-size:.85rem}.cond-toc ol{grid-template-columns:repeat(auto-fill,minmax(min(100%,11rem),1fr));gap:.2rem 1.5rem;margin:0;padding-inline-start:1.2rem;display:grid}.cond-body{gap:1.25rem;display:grid}.cond-sec{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-elev);padding:1.25rem 1.25rem 1.1rem}.cond-sec h2{margin:0 0 .75rem;font-size:1.3rem}.cond-sec .prose ul{gap:.4rem;padding-inline-start:1.2rem;display:grid}.cond-sec+.cond-sec,.cond-body+.cond-sec{margin-top:1.25rem}.cond-ddx{gap:.6rem;margin:0;display:grid}.cond-ddx>div{border-radius:var(--radius);background:var(--surface);padding:.65rem .9rem}.cond-ddx dt{color:var(--text);font-weight:600}.cond-ddx dd{color:var(--text-2);margin:.2rem 0 0}.cond-treat{border-color:color-mix(in srgb, var(--accent) 35%, var(--border))}.cond-red{border-color:var(--warning,#e8a33d);background:color-mix(in srgb, var(--warning,#e8a33d) 9%, var(--bg-elev))}.cond-red h2:before{content:"!";background:var(--warning,#e8a33d);color:#111;vertical-align:middle;border-radius:50%;place-items:center;width:1.5rem;height:1.5rem;margin-inline-end:.5rem;font-size:1rem;display:inline-grid}.cond-links{margin:1rem 0 0}.cond-promo{margin-top:1.5rem}.cond-promo .roman{color:var(--accent)}.act-chips .act-out{flex-basis:100%;margin:.1rem 0 .35rem;animation:.18s ease-out act-in}@keyframes act-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.act-chips .act-out{animation:none}}html.a11y-still .act-chips .act-out{animation:none}.act.is-current{border-color:var(--accent);color:var(--text)}.cond-links{grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:.5rem;margin:.5rem 0 0;padding:0;list-style:none;display:grid}.cond-links a{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);height:100%;color:var(--text);flex-direction:column;gap:.15rem;padding:.7rem .9rem;text-decoration:none;transition:border-color .15s;display:flex}.cond-links a:hover,.cond-links a:focus-visible{border-color:var(--accent)}.cond-link-kind{color:var(--accent);font-size:.75rem;font-weight:600}.cond-link-label{font-size:.925rem;line-height:1.45}.cond-pic{margin-top:1rem}.case-cns{--rc:#b5a8dc;border-style:dashed;grid-column:1/-1}.case-cns .case-nerve-roman{font-family:inherit}.mon-ecg-head{justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.3rem;display:flex}.mon-ecg-head .mon-k{margin:0}.ecg-pause{color:#5be08a;min-height:32px;font:inherit;cursor:pointer;background:0 0;border:1px solid #5be08a59;border-radius:999px;padding:.2rem .75rem;font-size:.8rem}.ecg-pause[aria-pressed=true]{background:#5be08a1f}.ecg-track{transform-box:view-box}.mon-ecg.is-running .ecg-track{animation:ecg-scroll var(--ecg-s,6s) linear infinite}@keyframes ecg-scroll{0%{transform:translate(0)}to{transform:translateX(calc(-1 * var(--ecg-w,640px)))}}@media (prefers-reduced-motion:reduce){.mon-ecg.is-running .ecg-track{animation:none}}html.a11y-still .mon-ecg.is-running .ecg-track{animation:none}.typing{gap:4px;padding:.2rem 0;display:inline-flex}.typing i{background:var(--text-muted);border-radius:50%;width:7px;height:7px;animation:1s ease-in-out infinite typing-dot}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}@keyframes typing-dot{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}.case-reroll{border:1px solid var(--border-strong);border-radius:999px;min-height:32px;padding:.15rem .7rem;font-size:.8rem}.mon-top{justify-content:flex-end;min-height:0;display:flex}.mon-top:has(.mon-pause:not([hidden])){margin-bottom:.5rem}.mon-pause{color:#5be08a;min-height:32px;font:inherit;cursor:pointer;background:0 0;border:1px solid #5be08a59;border-radius:999px;padding:.2rem .75rem;font-size:.8rem}.mon-pause[aria-pressed=true]{background:#5be08a1f}.mon-beat{opacity:.3;vertical-align:middle;background:#5be08a;border-radius:50%;width:8px;height:8px;margin-inline-start:.3rem;transition:opacity 80ms ease-out,transform 80ms ease-out;display:inline-block}.mon-beat.is-beat{opacity:1;transform:scale(1.35);box-shadow:0 0 8px #5be08a}.debrief-distractors li>span:last-child{color:var(--text-2);margin-top:.2rem;display:block}.case-patient{align-items:center;gap:.75rem;margin:.25rem 0 .75rem;display:flex}.pt-avatar{color:#0b0e12;background:linear-gradient(145deg,#e8c99a,#c99d6b);border-radius:50%;flex:none;place-items:center;width:46px;height:46px;font-size:1rem;font-weight:700;display:grid;box-shadow:0 0 0 2px #f0c46b59}.pt-avatar.pt-f{background:linear-gradient(145deg,#e9b9a6,#c98b78)}.pt-id{flex-direction:column;margin:0;line-height:1.3;display:flex}.pt-id strong{color:var(--text);font-size:1.05rem}.pt-id .muted{font-size:.875rem}.bubble-who{color:var(--text-muted);margin-bottom:.1rem;font-size:.72rem;font-weight:600;display:block}.pick-name{flex-direction:column;display:flex}.pick-en{color:var(--text-muted);text-align:right;margin-top:.1rem;font-size:.72rem;line-height:1.3}.treat-card{background:var(--surface-2);border:1px solid var(--border);border-inline-start:3px solid var(--accent);border-radius:var(--radius);margin-top:1.25rem;padding:1rem 1.1rem}.treat-card h3{margin:0 0 .4rem;font-size:1.1rem}.treat-card p:last-child{color:var(--text-2);margin:0}.zero-figs{align-items:start;gap:1rem;display:grid}.zero-figs .pic{margin:0}@media (width>=760px){.zero-figs{grid-template-columns:1fr 1.6fr}}