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30);width:var(--seal-size);height:var(--seal-size);cursor:default;appearance:none;-webkit-appearance:none;border:0;padding:0;background:rgba(0,0,0,0);box-shadow:none;user-select:none;z-index:1;overflow:visible}.reader-coin.reader-coin-done{visibility:hidden;pointer-events:none}.theme-dark .reader-coin,.reader-coin.reader-coin-on-dark{--seal-bg: radial-gradient(circle at 35% 30%, #cabd97 0%, #b7a880 60%, #9c8d67 100%);--seal-ring: rgba(150, 122, 60, 0.5);--seal-shadow: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.5))}.reader-coin-cut{pointer-events:none}.reader-coin-face{position:absolute;inset:0;clip-path:var(--seal-clip);background:var(--seal-bg);filter:var(--seal-shadow);transition:transform var(--motion-fast) var(--ease-out);z-index:2}.reader-coin-face::after{content:"";position:absolute;inset:calc(var(--seal-u)*6);border-radius:50%;border:calc(var(--seal-u)*1) dashed var(--seal-ring)}.reader-coin.reader-coin-cut .reader-coin-face{opacity:0;transform:scale(0.98);transition:none}.reader-coin:hover .reader-coin-face{transform:scale(1.12)}.reader-coin-slash{position:absolute;top:50%;left:calc(var(--seal-u)*-6);right:calc(var(--seal-u)*-6);height:calc(var(--seal-u)*2);background:#fff;box-shadow:0 0 calc(var(--seal-u)*8) calc(var(--seal-u)*2) rgba(255,255,255,.8);transform-origin:center;pointer-events:none;z-index:3;opacity:0;transform:translateY(-50%) rotate(var(--reader-coin-slash-angle));will-change:opacity}.reader-coin-cut .reader-coin-slash{animation:reader-coin-slash-flash 350ms ease-out forwards}.reader-coin-cut.reader-coin-cut-skip .reader-coin-slash{background:#ffc94a;box-shadow:0 0 calc(var(--seal-u)*10) calc(var(--seal-u)*2) rgba(255,201,74,.7)}.reader-coin-cut.reader-coin-cut-skip .reader-coin-words-popup{color:#ffc94a;text-shadow:0 1px 2px var(--background-primary),0 0 8px var(--background-primary),0 0 14px rgba(255,201,74,.55)}.reader-coin-half{--reader-coin-half-v0x: 0px;--reader-coin-half-v0y: 0px;--reader-coin-half-gy: 0px;--reader-coin-half-rot: 0deg;display:block;position:absolute;inset:0;box-sizing:border-box;filter:var(--seal-shadow);opacity:0;visibility:hidden;translate:0 0;rotate:0deg;transform-origin:center;pointer-events:none;will-change:translate,rotate,opacity;z-index:1}.reader-coin-half::before{content:"";position:absolute;inset:0;clip-path:var(--seal-clip);background:var(--seal-bg)}.reader-coin-half::after{content:"";position:absolute;inset:calc(var(--seal-u)*6);border-radius:50%;border:calc(var(--seal-u)*1) dashed var(--seal-ring)}.reader-coin-cut .reader-coin-half{visibility:visible;animation:reader-coin-half-fly var(--reader-coin-cut-ms, 580ms) linear forwards,reader-coin-half-tumble var(--reader-coin-cut-ms, 580ms) linear forwards,reader-coin-half-fade var(--reader-coin-cut-ms, 580ms) linear forwards}@keyframes reader-coin-slash-flash{0%{opacity:1}40%{opacity:1}100%{opacity:0}}@keyframes reader-coin-half-fly{0%{translate:calc(var(--reader-coin-half-v0x)*0) calc(var(--reader-coin-half-v0y)*0 + var(--reader-coin-half-gy)*0)}10%{translate:calc(var(--reader-coin-half-v0x)*.1) calc(var(--reader-coin-half-v0y)*.1 + var(--reader-coin-half-gy)*.01)}20%{translate:calc(var(--reader-coin-half-v0x)*.2) calc(var(--reader-coin-half-v0y)*.2 + var(--reader-coin-half-gy)*.04)}30%{translate:calc(var(--reader-coin-half-v0x)*.3) calc(var(--reader-coin-half-v0y)*.3 + var(--reader-coin-half-gy)*.09)}40%{translate:calc(var(--reader-coin-half-v0x)*.4) calc(var(--reader-coin-half-v0y)*.4 + var(--reader-coin-half-gy)*.16)}50%{translate:calc(var(--reader-coin-half-v0x)*.5) calc(var(--reader-coin-half-v0y)*.5 + var(--reader-coin-half-gy)*.25)}60%{translate:calc(var(--reader-coin-half-v0x)*.6) calc(var(--reader-coin-half-v0y)*.6 + var(--reader-coin-half-gy)*.36)}70%{translate:calc(var(--reader-coin-half-v0x)*.7) calc(var(--reader-coin-half-v0y)*.7 + var(--reader-coin-half-gy)*.49)}80%{translate:calc(var(--reader-coin-half-v0x)*.8) calc(var(--reader-coin-half-v0y)*.8 + var(--reader-coin-half-gy)*.64)}90%{translate:calc(var(--reader-coin-half-v0x)*.9) calc(var(--reader-coin-half-v0y)*.9 + var(--reader-coin-half-gy)*.81)}100%{translate:calc(var(--reader-coin-half-v0x)*1) calc(var(--reader-coin-half-v0y)*1 + var(--reader-coin-half-gy)*1)}}@keyframes reader-coin-half-tumble{from{rotate:0deg}to{rotate:var(--reader-coin-half-rot)}}@keyframes reader-coin-half-fade{0%,32%{opacity:1}100%{opacity:0}}.reader-coin-words-popup{--reader-coin-words-drift-x: 0px;--reader-coin-words-tilt: 0deg;position:absolute;top:calc(var(--seal-u)*-18);left:50%;font-size:var(--font-ui-smaller);font-weight:700;color:color-mix(in oklab, var(--text-accent) 30%, #4aa3ff 70%);white-space:nowrap;pointer-events:none;z-index:4;text-shadow:0 1px 2px var(--background-primary),0 0 8px var(--background-primary),0 0 14px color-mix(in oklab, #4aa3ff 60%, transparent);font-variant-numeric:tabular-nums;letter-spacing:.02em;opacity:0;will-change:transform,opacity;animation:reader-coin-words-rise 1100ms var(--ease-out) forwards,reader-coin-words-fade 1100ms linear forwards}@keyframes reader-coin-words-rise{0%{transform:translate(-50%, calc(var(--seal-u) * 14)) scale(0.85) rotate(0deg)}100%{transform:translate(calc(-50% + var(--reader-coin-words-drift-x)), calc(var(--seal-u) * -62)) scale(1.02) rotate(var(--reader-coin-words-tilt))}}@keyframes reader-coin-words-fade{0%{opacity:0}12%{opacity:1}65%{opacity:1}100%{opacity:0}}.legere-reader-outline-item{color:var(--text-muted);cursor:pointer;padding:5px var(--size-4-2);border-radius:var(--radius-s);line-height:1.15;overflow-wrap:anywhere}.legere-reader-outline-item[data-depth="0"]{padding-left:8px}.legere-reader-outline-item[data-depth="1"]{padding-left:24px}.legere-reader-outline-item[data-depth="2"]{padding-left:40px}.legere-reader-outline-item[data-depth="3"]{padding-left:56px}.legere-reader-outline-item[data-depth="4"]{padding-left:72px}.legere-reader-outline-item:hover{color:var(--text-normal)}.legere-reader-outline-item.active{color:var(--text-normal);transition:color var(--motion-fast) var(--ease-out)}.legere-reader-outline-item.faint{color:var(--text-faint)}.legere-reader-outline-item.faint:hover{color:var(--text-muted)}.legere-reader-outline-item.passed{color:var(--text-faint)}.legere-reader-outline-item.passed:hover{color:var(--text-muted)}.legere-reader-outline-list:has(.legere-reader-outline-item[data-depth="1"]) .legere-reader-outline-item[data-depth="0"]{font-weight:600}.legere-reader-outline-list:has(.legere-reader-outline-item[data-depth="1"]) .legere-reader-outline-item[data-depth="0"]:not(:first-child){margin-top:7px}.legere-reader-outline-list:has(.legere-reader-outline-item[data-depth="1"]) .legere-reader-outline-item[data-depth="0"].faint{font-weight:500}.reader-progress-header{padding:0 8px 10px;margin-bottom:4px;flex-shrink:0}.reader-progress-header-row{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.reader-progress-label{display:block;flex:1 1 auto;white-space:nowrap;font-size:var(--font-ui-smallest);font-weight:500;color:var(--text-muted);letter-spacing:.02em}@property --reader-words-value{syntax:"<integer>";inherits:false;initial-value:0}.reader-progress-words{--reader-words-value: 0;counter-reset:reader-words var(--reader-words-value);transition:--reader-words-value 600ms var(--ease-out);font-size:var(--font-ui-smallest);font-weight:600;color:var(--text-accent);letter-spacing:.02em;font-variant-numeric:tabular-nums;white-space:nowrap}.reader-progress-words::after{content:counter(reader-words) " words"}.reader-progress-time{font-size:var(--font-ui-smallest);font-weight:500;color:var(--text-muted);letter-spacing:.02em;font-variant-numeric:tabular-nums;white-space:nowrap}.reader-progress-time:empty{display:none}.reader-progress-bar{width:100%;height:3px;background:var(--background-modifier-border);border-radius:999px;overflow:hidden;margin-top:6px}.reader-progress-bar-fill{height:100%;background:var(--interactive-accent);border-radius:999px;transition:width var(--motion-slow) var(--ease-out)}.legere-reader-outline-item{display:flex;align-items:flex-start;gap:6px}.reader-outline-text{flex:1;min-width:0;word-break:break-word}.reader-progress-checkbox{flex-shrink:0;width:9px;height:9px;border:1.5px solid color-mix(in srgb, var(--text-faint), transparent 35%);border-radius:50%;cursor:pointer;transition:border-color var(--motion-fast) var(--ease-out),background var(--motion-fast) var(--ease-out),box-shadow var(--motion-fast) var(--ease-out),scale .16s cubic-bezier(0.34, 1.56, 0.64, 1);appearance:none;-webkit-appearance:none;padding:0;box-sizing:border-box;margin-top:calc((1.15em - 9px)/2);box-shadow:none;background-color:var(--background-primary);position:relative;z-index:1}.reader-progress-checkbox:hover{border-color:var(--text-muted)}.reader-progress-checkbox svg{display:none}.reader-progress-checkbox::after{content:"";position:absolute;inset:-6px}.reader-progress-checkbox-checked{background:var(--interactive-accent);border-color:var(--interactive-accent)}.legere-reader-outline-item.reader-done .reader-outline-text{color:color-mix(in oklab, var(--text-faint) 72%, var(--interactive-accent)) !important}.legere-reader-outline-item.reader-done:hover .reader-outline-text,.legere-reader-outline-item.active.reader-done .reader-outline-text{color:color-mix(in oklab, var(--text-muted) 60%, var(--interactive-accent)) !important}.reader-line-svg{position:absolute;top:0;left:0;overflow:visible;pointer-events:none}.reader-line-fx{z-index:2}.reader-line-bg{stroke:var(--background-modifier-border);stroke-width:1}.reader-line-fill{stroke:var(--interactive-accent);stroke-width:2}.reader-line-head-glow{fill:var(--interactive-accent);opacity:0;filter:blur(3px);transform-box:fill-box;transform-origin:center;transition:opacity var(--motion-fast) var(--ease-out)}.reader-line-head-core{fill:var(--interactive-accent);opacity:0;transition:opacity var(--motion-fast) var(--ease-out)}.reader-line-moving .reader-line-head-core{opacity:1}.reader-line-moving .reader-line-head-glow{opacity:.32;transform:scale(1.25)}.reader-line-space{flex:0 0 9px;position:relative;z-index:1;align-self:stretch}.legere-reader-outline-item.reader-line-seated .reader-progress-checkbox{border-color:color-mix(in oklab, var(--interactive-accent) 68%, #000);box-shadow:0 0 0 2px var(--background-primary),0 0 0 3.5px color-mix(in oklab, var(--interactive-accent) 68%, #000)}.legere-reader-outline-item.reader-line-seated .reader-line-space::before{content:"";position:absolute;top:50%;left:50%;translate:-50% -50%;width:9px;height:9px;border-radius:50%;background:color-mix(in oklab, var(--interactive-accent) 68%, #000);box-shadow:0 0 0 2.5px var(--background-primary)}.reader-progress-checkbox.reader-line-bump{scale:1.45;border-color:var(--interactive-accent)}.legere-reader-container{display:grid;grid-template-columns:1fr auto 1fr;gap:var(--size-4-5);width:100%;margin:0 auto;overflow:clip visible}.legere-left-sidebar,.legere-reader-right-sidebar{user-select:none;container-type:inline-size;min-width:0}.legere-reader-outline{box-sizing:border-box;background:var(--background-primary);position:fixed;top:0;bottom:0;left:0;z-index:14;width:min(340px,85vw);padding:14px var(--size-4-5) var(--size-4-5);border-right:1px solid var(--background-modifier-border, rgba(0, 0, 0, 0.1));font-size:var(--font-ui-small);user-select:none;-webkit-user-select:none;display:flex;flex-direction:column;transform:none;visibility:visible;transition:transform var(--motion-base) var(--ease-out),visibility 0s}.legere-reader-outline[hidden]{display:flex;transform:translateX(-100%);visibility:hidden;transition:transform var(--motion-base) var(--ease-out),visibility 0s var(--motion-base)}.legere-reader-outline:empty{display:none}@media(prefers-reduced-motion: reduce){.legere-reader-outline,.legere-reader-outline[hidden]{transition:none}}.legere-left-sidebar .legere-reader-outline{position:sticky;top:max(4rem,4vh);bottom:auto;left:auto;z-index:auto;max-height:min(60vh,100vh - max(4rem,4vh) - var(--size-4-5));width:auto;min-width:200px;padding:0 var(--size-4-5) var(--size-4-5) calc(var(--size-4-5) + 24px);border-right:none;transform:none;visibility:visible;transition:none}.legere-left-sidebar .legere-reader-outline[hidden]{display:none;transform:none;visibility:visible;transition:none}.legere-left-sidebar .legere-reader-outline:empty{display:none}@container (width < 210px){.legere-left-sidebar .legere-reader-outline{display:none}}.legere-reader-outline-list{flex:1;min-height:0;overflow-y:auto;position:relative;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,0) rgba(0,0,0,0);--reader-fade-top: 0px;--reader-fade-bottom: 0px;mask-image:linear-gradient(to bottom, transparent, #000 var(--reader-fade-top), #000 calc(100% - var(--reader-fade-bottom)), transparent);transition:--reader-fade-top var(--motion-fast) var(--ease-out),--reader-fade-bottom var(--motion-fast) var(--ease-out)}.legere-reader-outline-list.has-fade-top{--reader-fade-top: 24px}.legere-reader-outline-list.has-fade-bottom{--reader-fade-bottom: 24px}.legere-reader-outline-list.show-scrollbars{scrollbar-color:color-mix(in oklab, var(--text-faint), transparent 35%) rgba(0,0,0,0)}.legere-reader-outline-list::-webkit-scrollbar-track,.legere-reader-outline-list::-webkit-scrollbar-corner{background:rgba(0,0,0,0)}.legere-reader-outline-list::-webkit-scrollbar{width:10px;height:10px}.legere-reader-outline-list::-webkit-scrollbar-thumb{background:rgba(0,0,0,0);border-radius:999px}.legere-reader-outline-list.show-scrollbars::-webkit-scrollbar-thumb{background:color-mix(in oklab, var(--text-faint), transparent 35%)}@property --reader-fade-top{syntax:"<length>";inherits:false;initial-value:0px}@property --reader-fade-bottom{syntax:"<length>";inherits:false;initial-value:0px}@media(max-width: 768px){.legere-reader-container{grid-template-columns:1fr}.legere-left-sidebar,.legere-reader-right-sidebar{display:none}}.legere-hl-drawer{position:fixed;top:0;bottom:0;right:0;width:min(360px,86vw);display:flex;flex-direction:column;background:var(--background-primary);border-left:1px solid var(--background-modifier-border);box-shadow:var(--shadow-l)}.legere-hl-head{flex:0 0 auto;height:44px;display:flex;align-items:center;padding:0 16px;font-weight:600;font-size:var(--font-ui-small);color:var(--text-normal);border-bottom:1px solid var(--background-modifier-border)}.legere-hl-list{flex:1 1 auto;overflow-y:auto;padding:6px 0 24px}.legere-hl-row{box-sizing:border-box;display:flex;flex-wrap:wrap;align-items:baseline;gap:0 10px;cursor:pointer;padding:11px 16px;color:var(--text-normal);font-size:var(--font-ui-small);line-height:1.4;border-left:3px solid var(--hl-stripe, rgba(230, 180, 0, 0.9));border-bottom:1px solid var(--background-modifier-border);overflow-wrap:anywhere}.legere-hl-row:hover{background:var(--background-modifier-hover)}.legere-hl-text{flex:1 1 0;min-width:0}.legere-hl-page{color:var(--text-muted);font-size:var(--font-ui-smaller);font-variant-numeric:tabular-nums}.legere-hl-note{flex-basis:100%;margin-top:4px;padding-left:10px;border-left:2px solid var(--background-modifier-border);color:var(--text-muted);font-size:var(--font-ui-smaller);overflow-wrap:anywhere}.legere-hl-note>*{margin:0}.legere-hl-note>*+*{margin-top:.4em}.legere-hl-note h1,.legere-hl-note h2,.legere-hl-note h3{font-size:1em;font-weight:600;line-height:1.3}.legere-hl-note ul,.legere-hl-note ol{padding-left:1.3em}.legere-hl-note blockquote{padding-left:.6em;border-left:2px solid var(--background-modifier-border)}.legere-hl-note code{font-family:var(--font-monospace-default);font-size:.92em;padding:0 .25em;border-radius:var(--radius-xs);background:var(--background-modifier-hover)}.legere-hl-note pre{padding:4px 6px;border-radius:var(--radius-xs);background:var(--background-modifier-hover);overflow-x:auto}.legere-hl-note pre code{padding:0;background:none}.legere-hl-note a{color:var(--text-accent);text-decoration:underline}.legere-hl-empty{padding:16px;color:var(--text-muted);font-size:var(--font-ui-smaller)}.legere-hl-empty[hidden]{display:none}@keyframes legere-star-pop{0%{transform:scale(1)}30%{transform:scale(0.7)}65%{transform:scale(1.3) rotate(-10deg)}100%{transform:scale(1) rotate(0deg)}}@keyframes legere-star-unpop{0%{transform:scale(1)}40%{transform:scale(0.85)}100%{transform:scale(1)}}@keyframes legere-mark-stamp{0%{transform:translateY(0) scale(1)}30%{transform:translateY(-2.5px) scale(1.08)}65%{transform:translateY(1px) scale(0.92)}100%{transform:translateY(0) scale(1)}}@keyframes legere-mark-unstamp{0%{transform:scale(1)}40%{transform:scale(0.9) translateY(0.5px)}100%{transform:scale(1)}}@keyframes legere-sparkle-fly{0%{opacity:0;transform:translate(-50%, -50%) scale(0)}25%{opacity:1;transform:translate(calc(-50% + var(--sparkle-x) * 0.35), calc(-50% + var(--sparkle-y) * 0.35)) scale(1)}100%{opacity:0;transform:translate(calc(-50% + var(--sparkle-x)), calc(-50% + var(--sparkle-y))) scale(0.15)}}.legere-pop-star-on{position:relative}.legere-icon-sparkle{position:absolute;left:50%;top:50%;width:var(--sparkle-s, 4px);height:var(--sparkle-s, 4px);pointer-events:none;background:currentColor;clip-path:polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%);animation:legere-sparkle-fly 500ms ease-out both;animation-delay:var(--sparkle-d, 0ms)}.legere-pop-star-on svg{animation:legere-star-pop 400ms ease both}.legere-pop-star-off svg{animation:legere-star-unpop 180ms ease both}.legere-pop-mark-on svg{animation:legere-mark-stamp 320ms ease both}.legere-pop-mark-off svg{animation:legere-mark-unstamp 160ms ease both}@media(prefers-reduced-motion: reduce){.legere-pop-star-on svg,.legere-pop-star-off svg,.legere-pop-mark-on svg,.legere-pop-mark-off svg{animation:none}.legere-icon-sparkle{display:none}}.legere-doc-nav{position:fixed;top:12px;right:18px;z-index:13;display:flex;align-items:center;gap:2px;padding:3px;border-radius:var(--radius-m, 8px);corner-shape:var(--corner-shape);background:color-mix(in oklab, var(--background-primary, #ffffff) 84%, transparent);backdrop-filter:blur(8px);opacity:1;transition:opacity var(--motion-base) var(--ease-out)}.legere-doc-nav.legere-doc-nav-left{right:auto;left:18px}.chrome-hidden .legere-doc-nav,.walking .legere-doc-nav{opacity:0;pointer-events:none}.legere-doc-nav a,.legere-doc-nav button{appearance:none;-webkit-appearance:none;background:rgba(0,0,0,0);background-color:rgba(0,0,0,0);background-image:none;box-shadow:none;border:0;outline:none;width:30px;height:30px;min-width:0;display:inline-flex;align-items:center;justify-content:center;padding:0;margin:0;border-radius:var(--radius-m, 8px);corner-shape:var(--corner-shape);color:var(--text-normal, inherit);font:inherit;text-decoration:none;cursor:pointer;transition:color var(--motion-fast) var(--ease-out),background-color var(--motion-fast) var(--ease-out)}.legere-doc-nav a:hover,.legere-doc-nav button:hover,.legere-doc-nav button.is-active{background:var(--background-primary-alt, rgba(0, 0, 0, 0.05))}.legere-doc-nav a:focus-visible,.legere-doc-nav button:focus-visible{outline:2px solid var(--background-modifier-border-focus, #4a90e2);outline-offset:-2px}.legere-doc-nav .doc-tool-btn{width:0;min-width:0;padding:0;margin-left:-2px;opacity:0;overflow:hidden;visibility:hidden;pointer-events:none;transition:width var(--motion-base) var(--ease-out),margin-left var(--motion-base) var(--ease-out),opacity var(--motion-base) var(--ease-out),visibility 0s linear var(--motion-base)}.legere-doc-nav .doc-tool-btn:first-child{margin-left:0}.legere-doc-nav .doc-tool-btn.is-available{width:30px;margin-left:0;opacity:1;visibility:visible;pointer-events:auto;transition-delay:0s}@media(prefers-reduced-motion: reduce){.legere-doc-nav .doc-tool-btn{transition:none}}.legere-doc-nav svg{width:18px;height:18px;display:block}@property --legere-skel-x{syntax:"<percentage>";inherits:true;initial-value:-25%}.legere-skel{overflow:hidden;pointer-events:none;animation:legere-skel-in 200ms ease-out 250ms both}.legere-skel[hidden]{display:none}.legere-skel-col{--legere-skel-band: 25%;--legere-skel-base: var(--background-modifier-border, rgba(0, 0, 0, 0.09));--legere-skel-light: var(--background-secondary, rgba(0, 0, 0, 0.03));container-type:inline-size;height:100%;display:flex;flex-direction:column;gap:1.7em;background:var(--background-primary, #fff);animation:legere-skel-sweep 1.6s ease-in-out 450ms infinite}.legere-skel-p{display:flex;flex-direction:column;gap:.85em}.legere-skel-title,.legere-skel-line{flex:none;background-image:linear-gradient(90deg, var(--legere-skel-base) calc(var(--legere-skel-x) - var(--legere-skel-band) / 2), var(--legere-skel-light) var(--legere-skel-x), var(--legere-skel-base) calc(var(--legere-skel-x) + var(--legere-skel-band) / 2));background-size:100cqw 100%;background-repeat:no-repeat}.legere-skel-title{height:1.9em;width:72%;margin:.5em 0 .2em;border-radius:var(--radius-s, 6px)}.legere-skel-line{height:.95em;border-radius:var(--radius-xs, 3px)}.legere-skel-line:nth-child(even){width:97%}.legere-skel-line:nth-child(3n){width:93%}.legere-skel-p>.legere-skel-line:last-child{width:58%}.legere-skel-p:nth-child(3n)>.legere-skel-line:last-child{width:34%}.legere-skel-p:nth-child(4n)>.legere-skel-line:last-child{width:76%}.legere-skel-p:nth-child(5n)>.legere-skel-line:last-child{width:45%}.legere-skel-revealing{animation:none}.legere-skel-revealing .legere-skel-col{animation:legere-skel-reveal 750ms cubic-bezier(0.4, 0, 0.2, 1) 1 both;-webkit-mask-image:linear-gradient(90deg, transparent calc(var(--legere-skel-x) - var(--legere-skel-band) / 2), #000 calc(var(--legere-skel-x) + var(--legere-skel-band) / 4));mask-image:linear-gradient(90deg, transparent calc(var(--legere-skel-x) - var(--legere-skel-band) / 2), #000 calc(var(--legere-skel-x) + var(--legere-skel-band) / 4))}@keyframes legere-skel-in{from{opacity:0}}@keyframes legere-skel-sweep{from{--legere-skel-x: -25%}to{--legere-skel-x: 125%}}@keyframes legere-skel-reveal{from{--legere-skel-x: -25%}to{--legere-skel-x: 125%}}@media(prefers-reduced-motion: reduce){.legere-skel,.legere-skel-col{animation:none}}:root:not([data-feature-read-aloud]) [data-feature~=read-aloud]{display:none !important}:root:not([data-feature-topics]) [data-feature~=topics]{display:none !important}:root:not([data-feature-flashcards]) [data-feature~=flashcards]{display:none !important}.legere-reader-active{--layer-pinned-media: 30;--layer-reader-nav: 2147483610;--layer-reader-progress: 2147483615;--layer-reader-popover: 2147483620;--layer-reader-dropdown: 2147483625;--layer-reader-backdrop: 2147483640;--layer-reader-drawer: 2147483641;--layer-reader-lightbox: 2147483647}::highlight(legere-jump){background-color:color-mix(in srgb, rgba(255, 220, 50, 0.25) calc(var(--legere-jump-alpha, 1) * 100%), transparent);color:inherit}::view-transition-old(root),::view-transition-new(root){animation-duration:.1s;animation-timing-function:ease-out}.legere-reader-active .reader-read-progress{position:fixed;inset:0 0 auto 0;height:3px;z-index:var(--layer-reader-progress);pointer-events:none;background:rgba(0,0,0,0)}.legere-reader-active .reader-read-progress-fill{display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:left center;background:var(--interactive-accent);will-change:transform;transition:transform 90ms linear}html.legere-reader-active{scrollbar-width:thin;scrollbar-color:rgba(0,0,0,0) rgba(0,0,0,0)}html.legere-reader-active.show-scrollbars{scrollbar-color:color-mix(in oklab, var(--text-faint), transparent 35%) rgba(0,0,0,0)}html.legere-reader-active::-webkit-scrollbar{width:10px;height:10px}html.legere-reader-active::-webkit-scrollbar-track,html.legere-reader-active::-webkit-scrollbar-corner{background:rgba(0,0,0,0)}html.legere-reader-active::-webkit-scrollbar-thumb{background:rgba(0,0,0,0);border-radius:999px}html.legere-reader-active.show-scrollbars::-webkit-scrollbar-thumb{background:color-mix(in oklab, var(--text-faint), transparent 35%)}.legere-reader-active{background-color:var(--background-primary) !important;--interactive-accent: var(--accent-line)}.legere-reader-active.theme-light img,.legere-reader-active.theme-light svg{mix-blend-mode:multiply}.legere-reader-active.theme-light img[data-ink=light]{filter:invert(1) hue-rotate(180deg)}.legere-reader-active.theme-dark .mw-invert{filter:invert(1)}.legere-reader-active.theme-dark .invert-images img,.legere-reader-active.theme-dark .invert-images svg{filter:invert(1) hue-rotate(180deg);mix-blend-mode:screen}.legere-reader-active.theme-dark img[data-ink=dark]{filter:invert(1) hue-rotate(180deg)}.legere-reader-active .reading-selection-highlight-mark{background-color:rgba(0,0,0,0);background-image:linear-gradient(to top, transparent var(--legere-hl-trim-bottom, 0px), rgba(230, 180, 0, 0.9) var(--legere-hl-trim-bottom, 0px), rgba(230, 180, 0, 0.9) calc(var(--legere-hl-trim-bottom, 0px) + max(2px, 0.1em)), transparent calc(var(--legere-hl-trim-bottom, 0px) + max(2px, 0.1em))),linear-gradient(to bottom, transparent var(--legere-hl-trim-top, 0px), rgba(255, 220, 50, 0.25) var(--legere-hl-trim-top, 0px), rgba(255, 220, 50, 0.25) calc(100% - var(--legere-hl-trim-bottom, 0px)), transparent calc(100% - var(--legere-hl-trim-bottom, 0px)));border-radius:.08em;box-decoration-break:slice;-webkit-box-decoration-break:slice;cursor:pointer}.legere-reader-active .reading-selection-highlight-mark code,.legere-reader-active .reading-selection-highlight-mark kbd,.legere-reader-active .reading-selection-highlight-mark samp,.legere-reader-active .reading-selection-highlight-mark tt,.legere-reader-active code:has(.reading-selection-highlight-mark),.legere-reader-active kbd:has(.reading-selection-highlight-mark),.legere-reader-active samp:has(.reading-selection-highlight-mark),.legere-reader-active tt:has(.reading-selection-highlight-mark){background:rgba(0,0,0,0) !important;border-color:rgba(0,0,0,0) !important;box-shadow:none !important}.legere-reader-active mjx-container.reading-selection-highlight-mark{display:inline-block;padding:0 .04em;margin:0 -0.04em}.legere-reader-active .reading-selection-highlight-mark:has(>mjx-container[display=true]),.legere-reader-active .reading-selection-highlight-mark:has(>math[display=block]){display:block;width:fit-content;margin-inline:auto;padding:.1em .35em;border-radius:.25em}.legere-reader-active mjx-container.reader-math-drag-selected{background-color:var(--legere-active-hl-bg, rgba(255, 220, 50, 0.25));border-radius:.08em}.legere-reader-active mjx-container{position:relative}.legere-reader-active .reader-math-select-overlay{position:absolute;inset:0;color:rgba(0,0,0,0);user-select:text;pointer-events:auto;cursor:text;white-space:pre;overflow:hidden;font-size:inherit;line-height:inherit}.legere-reader-active .reader-math-select-overlay .reading-selection-highlight-mark{position:absolute;inset:0;display:block;cursor:pointer}.theme-light{--mix-blend-mode: multiply}.theme-dark{--mix-blend-mode: screen}.legere-reader-active body{--font-text: system-ui, -apple-system, sans-serif;--dynamic-font-size: calc(var(--font-text-size) + 0.25vw);--sidebar-width: 240px;--h1-size: 1.6em;--h1-weight: 700;--h1-letter-spacing: -0.02em;--h1-line-height: 1.2;--h2-size: 1.3em;--h2-weight: 700;--h2-letter-spacing: -0.015em;--h2-line-height: 1.2;--h3-size: 1.225em;--h3-weight: 700;--h3-line-height: 1.3;--h4-size: 1.15em;--h4-weight: 700;--h4-line-height: 1.4;--h5-size: 1em;--h5-weight: 700;--h5-line-height: var(--line-height-normal);--h6-size: 1em;--h6-weight: 700;--h6-line-height: var(--line-height-normal);--h6-letter-spacing: 0.05em;--font-smaller: 0.875em;--font-medium: 500;--p-spacing: 1rem;--size-2-2: 4px;--size-2-3: 6px;--size-4-2: 8px;--size-4-3: 12px;--size-4-4: 16px;--size-4-5: 20px;--size-4-6: 24px;--radius-xs: 4px;--radius-s: 0.6rem;--radius-m: 0.75rem;--radius-l: 12px;--icon-s: 16px;--icon-m: 18px;--corner-shape: superellipse(1.33);--code-size: 0.8em;--code-background: var(--background-primary-alt);--code-radius: 4px;--code-border-width: var(--border-width);--code-border-color: var(--background-modifier-border);--blockquote-border-thickness: 2px;--blockquote-border-color: var(--text-faint);--table-border-width: 1px;--table-border-color: var(--background-modifier-border);--table-line-height: calc(var(--line-height-normal) * 0.9);--table-text-size: 0.9em;--hr-color: var(--background-modifier-border);--hr-thickness: 1px;--link-external-color: var(--link-color, var(--text-accent));--link-external-color-hover: var(--link-color-hover, var(--text-accent-hover));--link-external-decoration: underline;--link-external-decoration-hover: underline;--list-marker-color: var(--text-faint);--list-spacing: 0.15rem;--border-width: 1px;--font-ui-smallest: 12px;--font-ui-smaller: 13px;--font-ui-small: 14px;--font-ui-medium: 15px;--font-ui-large: 18px;--shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.15);background:var(--background-primary) !important;margin:0 !important;padding:0 !important;color:var(--text-normal);font-size:var(--dynamic-font-size);line-height:var(--line-height-normal);font-family:var(--font-text);-webkit-font-smoothing:antialiased}.legere-reader-active body ::selection{background-color:var(--legere-active-hl-bg, rgba(255, 220, 50, 0.25))}.legere-reader-active body .legere-reader-content{padding:max(4rem,4vh) 0 20vh;width:var(--line-width);max-width:calc(100vw - var(--sidebar-width))}.legere-reader-active body .legere-reader-content p{-webkit-hyphens:auto;hyphens:auto}.legere-reader-active body .legere-reader-content>main>article{margin:0 auto;max-width:100%;position:relative}.legere-reader-active body .legere-left-sidebar,.legere-reader-active body .legere-reader-right-sidebar{max-width:var(--sidebar-width)}.legere-reader-active body :where(.legere-reader-content) h1{margin:0 0 .5em 0;font-weight:var(--h1-weight);font-size:var(--h1-size);letter-spacing:var(--h1-letter-spacing);line-height:var(--h1-line-height);text-wrap-style:pretty}.legere-reader-active body :where(.legere-reader-content) h2{font-weight:var(--h2-weight);font-size:var(--h2-size);letter-spacing:var(--h2-letter-spacing);margin-top:1.8em;margin-bottom:.5em;line-height:var(--h2-line-height);text-wrap-style:pretty}.legere-reader-active body :where(.legere-reader-content) h3{font-weight:var(--h3-weight);font-size:var(--h3-size);line-height:var(--h3-line-height);text-wrap-style:pretty;margin-top:2em;margin-bottom:.5em}.legere-reader-active body :where(.legere-reader-content) h4{font-size:var(--h4-size);font-weight:var(--h4-weight);line-height:var(--h4-line-height);text-wrap-style:pretty;margin-top:2em;margin-bottom:0}.legere-reader-active body :where(.legere-reader-content) h5{font-weight:var(--h5-weight);line-height:var(--h5-line-height);text-wrap-style:pretty;margin-bottom:1em;font-size:var(--h5-size)}.legere-reader-active body :where(.legere-reader-content) h6{font-weight:var(--h6-weight);line-height:var(--h6-line-height);text-wrap-style:pretty;text-transform:uppercase;margin-bottom:1em;letter-spacing:var(--h6-letter-spacing);font-size:var(--h6-size)}.legere-reader-active body :where(.legere-reader-content) h1+h2,.legere-reader-active body :where(.legere-reader-content) h2+h2,.legere-reader-active body :where(.legere-reader-content) h2+h3,.legere-reader-active body :where(.legere-reader-content) h3+h4{margin-top:0em}.legere-reader-active body :where(.legere-reader-content) h1.reader-title{text-align:center;margin-bottom:max(2rem,3vh)}.legere-reader-active body .reader-video-wrapper{aspect-ratio:16/9;background:#000;border-radius:var(--radius-m);corner-shape:var(--corner-shape);overflow:hidden}.legere-reader-active body .reader-video-wrapper video.reader-video-player{width:100% !important;height:100% !important;left:auto !important;top:auto !important;position:relative !important}.legere-reader-active body :where(.legere-reader-content) img,.legere-reader-active body :where(.legere-reader-content) video,.legere-reader-active body :where(.legere-reader-content) figure{max-width:100%;height:auto;border-radius:var(--radius-s);corner-shape:var(--corner-shape);vertical-align:bottom}.legere-reader-active body :where(.legere-reader-content) img[style*=vertical-align]{border-radius:0;corner-shape:normal}.legere-reader-active body :where(.legere-reader-content) img.math{vertical-align:baseline;border-radius:0;corner-shape:normal}.legere-reader-active body :where(.legere-reader-content) iframe{max-width:100%;width:100%;border-radius:var(--radius-m);corner-shape:var(--corner-shape);overflow:hidden;border:none}.legere-reader-active body :where(.legere-reader-content) iframe[src*="youtube.com"]{aspect-ratio:16/9;height:auto}.legere-reader-active body .player-container{border-top:12px solid var(--background-primary);background:rgba(0,0,0,0);line-height:0}.legere-reader-active body .player-container.pin-player{top:0;position:sticky;z-index:var(--layer-pinned-media, 30)}.legere-reader-active body .player-container .reader-video-wrapper,.legere-reader-active body .player-container iframe{border-radius:var(--radius-s);box-shadow:0 0 24px 24px var(--background-primary)}.legere-reader-active body .player-toggles{line-height:0;white-space:nowrap;display:flex;gap:4px;padding:12px 0 8px;user-select:none;transition:opacity var(--motion-fast) var(--ease-out);background:var(--background-primary)}.legere-reader-active body .player-toggles:hover{opacity:1 !important}.legere-reader-active body .player-toggles:after{pointer-events:none;content:"";position:absolute;bottom:-36px;left:0;right:0;width:100%;height:36px;background:linear-gradient(to bottom, var(--background-primary), transparent)}.legere-reader-active body :where(.legere-reader-content) article>.player-toggles{position:sticky;top:0;z-index:var(--layer-pinned-media, 30);background:var(--background-primary)}.legere-reader-active body .player-toggle{font-family:var(--font-ui, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif);font-size:var(--font-ui-small);display:flex;align-items:center;gap:8px;color:var(--text-faint);cursor:pointer;padding:2px 0}.legere-reader-active body .player-toggle:hover{color:var(--text-muted)}.legere-reader-active body .player-toggle-switch{--toggle-width: 26px;--toggle-height: 14px;--toggle-thumb-size: 10px;--toggle-border: 2px;width:var(--toggle-width);height:var(--toggle-height);border-radius:var(--toggle-height);background:var(--background-modifier-border);position:relative;flex-shrink:0;transition:background var(--motion-fast) var(--ease-out)}.legere-reader-active body .player-toggle-switch input{display:none}.legere-reader-active body .player-toggle-switch::after{content:"";position:absolute;width:var(--toggle-thumb-size);height:var(--toggle-thumb-size);border-radius:50%;background:#fff;top:var(--toggle-border);left:var(--toggle-border);transition:transform var(--motion-fast) var(--ease-out);box-shadow:var(--shadow-xs)}.legere-reader-active body .player-toggle.is-enabled{color:var(--text-muted)}.legere-reader-active body .player-toggle.is-enabled .player-toggle-switch{background:var(--text-faint)}.legere-reader-active body .player-toggle.is-enabled .player-toggle-switch::after{transform:translateX(calc(var(--toggle-width) - var(--toggle-thumb-size) - var(--toggle-border) * 2))}.legere-reader-active body .player-toggle-group{display:flex;gap:12px}.legere-reader-active body .player-current-pos{user-select:none;position:sticky;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);width:fit-content;font-family:var(--font-ui, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif);font-size:var(--font-ui-small);padding:6px 10px;border-radius:999px;border:1px solid var(--background-modifier-border);background:var(--background-primary-alt);color:var(--text-muted);cursor:pointer;z-index:var(--layer-pinned-media, 30);box-shadow:var(--shadow-s);opacity:0;pointer-events:none;transition:opacity var(--motion-base) var(--ease-out),transform var(--motion-base) var(--ease-out)}.legere-reader-active body .player-current-pos.is-visible{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0)}.legere-reader-active body .player-current-pos:hover{color:var(--text-normal)}.legere-reader-active body ::highlight(transcript-playback){background-color:var(--text-selection)}.legere-reader-active body ::highlight(transcript-hover){text-decoration:underline var(--text-normal);text-underline-offset:2px}.legere-reader-active body .transcript-segment{border-radius:var(--radius-s);corner-shape:var(--corner-shape);display:flex;gap:1em;position:relative}.legere-reader-active body .transcript-segment>strong{font-family:var(--font-ui, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif);color:var(--text-muted);margin-top:.15em;font-size:.85em;font-weight:400;flex-shrink:0;width:var(--timestamp-width);font-variant:tabular-nums;position:relative}.legere-reader-active body .transcript-segment .transcript-segment-text{flex:1;min-width:0;border-radius:var(--radius-s);padding:0 .5em}.legere-reader-active body .transcript-segment.is-active .timestamp{color:var(--text-normal)}.legere-reader-active body :where(.legere-reader-content) figure{margin-inline:auto;text-align:center;overflow-x:auto;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,0) rgba(0,0,0,0)}.legere-reader-active body :where(.legere-reader-content) figure::-webkit-scrollbar{height:10px}.legere-reader-active body 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