:root{--pend-bg:#f5f2ea;--pend-bg2:#efece2;--pend-card:#faf8f2;--pend-canvas:#1108080f;--pend-ink:#26221a;--pend-muted:#6d6553;--pend-faint:#a29a86;--pend-rule:#26221a29;--pend-rule2:#26221a14;--pend-accent:#8a6534;--pend-accent2:#3f689e;--pend-good:#3c7e50;--pend-gold:#906c22;--pend-com:#b5432f;--pend-drive:#7d5ba6;--pend-page-glow:radial-gradient(1100px 640px at 50% -8%, #8a65340a, transparent 62%)}.dark{--pend-bg:#111009;--pend-bg2:#161511;--pend-card:#1a1813;--pend-canvas:#0c0b07;--pend-ink:#e9e4d9;--pend-muted:#9a927f;--pend-faint:#645d4e;--pend-rule:#e9e4d921;--pend-rule2:#e9e4d912;--pend-accent:#e9cfa4;--pend-accent2:#7aa0d4;--pend-good:#5fae72;--pend-gold:#cfa254;--pend-com:#e08b71;--pend-drive:#a98cd0;--pend-page-glow:radial-gradient(1100px 640px at 50% -8%, #e9cfa40d, transparent 62%)}.pend-page{background:var(--pend-page-glow);min-height:100vh;position:relative}.pend-shell{max-width:1080px;margin:0 auto;padding:0 40px 120px}@media (max-width:768px){.pend-shell{padding:0 24px 96px}}@media (max-width:460px){.pend-shell{padding:0 18px 80px}}.pend-title{letter-spacing:-.5px;margin:0;font-size:56px;line-height:1.02}@media (max-width:768px){.pend-title{font-size:40px}}@media (max-width:390px){.pend-title{font-size:34px}}.pend-tagline{font-family:var(--font-fraunces), Georgia, serif;color:var(--pend-muted);margin:14px 0 0;font-size:20px;font-style:italic;font-weight:400;line-height:1.35}@media (max-width:390px){.pend-tagline{font-size:17px}}.pend-hero-grid{grid-template-columns:minmax(0,1fr) 400px;align-items:center;gap:56px;display:grid}@media (max-width:919px){.pend-hero-grid{grid-template-columns:minmax(0,1fr);gap:36px}.pend-hero-grid .pend-hero-stage{width:100%;max-width:520px;margin:0 auto}}.pend-section-head{align-items:baseline;gap:16px;margin:52px 0 20px;display:flex}.pend-section-head h2{font-family:var(--font-fraunces), Georgia, serif;flex:none;margin:0;font-size:26px;font-weight:600}.pend-section-rule{background:var(--pend-rule);flex:1;height:1px}@media (max-width:768px){.pend-section-head{margin:44px 0 18px}}@media (max-width:390px){.pend-section-head h2{font-size:22px}}.pend-subhead{margin-top:40px}.pend-subhead:first-child{margin-top:0}.pend-subhead-no{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--pend-faint);margin-bottom:6px;font-size:10px}.pend-subhead h3{font-family:var(--font-fraunces), Georgia, serif;color:var(--pend-ink);margin:0 0 12px;font-size:21px;font-weight:500}.pend-section{scroll-margin-top:108px}.pend-card{background:var(--pend-card);border:1px solid var(--pend-rule);border-radius:14px}.pend-well{background:var(--pend-canvas);border:1px solid var(--pend-rule);border-radius:10px;overflow:hidden}.pend-eq{overflow:auto hidden}.pend-page .katex-display{padding:0 3px}.pend-dock{z-index:45;position:fixed;bottom:22px;left:50%;transform:translate(-50%)}.pend-dock-chip{border:1px solid var(--pend-rule);background:var(--pend-card);color:var(--pend-ink);font-family:var(--font-pend-mono), ui-monospace, monospace;cursor:pointer;white-space:nowrap;border-radius:999px;align-items:center;gap:8px;padding:9px 14px;font-size:11px;transition:border-color .2s;display:inline-flex;box-shadow:0 4px 18px #0000004d}.pend-dock-chip[data-open=true]{border-color:var(--pend-accent)}.pend-dock-panel{background:var(--pend-card);border:1px solid var(--pend-rule);border-radius:14px;width:max-content;max-width:min(92vw,640px);padding:14px 16px;position:absolute;bottom:calc(100% + 10px);left:50%;transform:translate(-50%);box-shadow:0 12px 40px #00000059}@media (max-width:640px){.pend-dock{bottom:14px}}@media (prefers-reduced-motion:reduce){.pend-dock-chip,.pend-dock-panel button{transition:none}}@media (max-width:390px){.pend-shell{padding:0 16px 72px}.pend-dock-panel{max-width:calc(100vw - 20px)}}.pend-sys-card{background:var(--pend-card);border:1px solid var(--pend-rule);border-radius:16px;align-items:stretch;display:flex;overflow:hidden}.pend-sys-selector{flex:none;justify-content:center;align-items:stretch;padding:12px 14px;display:flex}.pend-sys-split{background:var(--pend-rule);flex:none;width:1px}.pend-sys-content{flex:1;min-width:0;padding:16px 24px}.pend-sys-col{flex-direction:column;flex:none;display:flex}.pend-sys-col-head{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--pend-faint);box-sizing:border-box;min-height:23px;padding:0 12px 8px;font-size:9px}.pend-sys-col[data-dominant=true] .pend-sys-col-head{color:var(--pend-muted);padding:0 15px 8px;font-size:10px}.pend-sys-col-rule{background:var(--pend-rule2);flex:none;align-self:stretch;width:1px;margin:0 4px}.pend-sys-row{box-sizing:border-box;width:100%;min-height:38px;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;flex:8;align-items:center;gap:8px;margin:0;padding:0 12px;transition:background .15s;display:flex;position:relative}.pend-sys-row[data-dominant=true]{flex:1;gap:11px;min-height:40px;padding:0 15px}.pend-sys-row+.pend-sys-row{border-top:1px solid var(--pend-rule2)}.pend-sys-row[data-selected=true]{background:color-mix(in oklab, var(--pend-accent) 13%, transparent)}.pend-sys-row:hover:not([data-selected=true]):not(:disabled){background:var(--pend-bg2)}.pend-sys-row:disabled{opacity:.4;cursor:not-allowed}.pend-sys-row:before{content:"";background:0 0;width:3px;position:absolute;top:0;bottom:0;left:0}.pend-sys-row[data-selected=true]:before{background:var(--pend-accent)}.pend-sys-row-glyph{color:var(--pend-faint);flex:none;justify-content:center;align-items:center;display:inline-flex}.pend-sys-row[data-dominant=true] .pend-sys-row-glyph{color:var(--pend-muted)}.pend-sys-row-label{white-space:nowrap;font-family:var(--font-atkinson), system-ui, sans-serif;letter-spacing:.01em;color:var(--pend-muted);flex:1;font-size:11px}.pend-sys-row[data-dominant=true] .pend-sys-row-label{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.03em;color:var(--pend-ink);font-size:16px;font-weight:600}.pend-sys-row-arrow{color:var(--pend-faint);flex:none;font-size:10px}.pend-sys-row[data-dominant=true] .pend-sys-row-arrow{font-size:13px}.pend-sys-row[data-selected=true] .pend-sys-row-glyph,.pend-sys-row[data-selected=true] .pend-sys-row-label,.pend-sys-row[data-selected=true] .pend-sys-row-arrow{color:var(--pend-accent)}.pend-sys-row:disabled .pend-sys-row-glyph,.pend-sys-row:disabled .pend-sys-row-label{color:var(--pend-faint)}.pend-sys-row:disabled .pend-sys-row-label{text-decoration:line-through}.pend-sys-row:disabled 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transparent);color:var(--pend-accent)}.pend-sys-param:disabled{color:var(--pend-faint);opacity:.5;cursor:not-allowed;text-decoration:line-through}@media (max-width:919px){.pend-sys-card{flex-direction:column}.pend-sys-split{width:auto;height:1px}}@media (max-width:639px){.pend-sys-inner{grid-template-columns:minmax(0,1fr);row-gap:16px}.pend-sys-mid{grid-template-columns:minmax(0,1fr)}.pend-sys-mid-rule{height:1px;margin:14px 0}.pend-sys-live{width:100%}}@media (prefers-reduced-motion:reduce){.pend-sys-row,.pend-sys-param{transition:none}}.pend-dock-sys-name{font-family:var(--font-fraunces), Georgia, serif;text-align:center;color:var(--pend-ink);margin:0;font-size:19px;font-weight:500;line-height:1.15}.pend-dock-sys-rule{background:var(--pend-rule);height:1px;margin:10px 0 12px}.pend-dock-sys-body{align-items:center;gap:14px;display:flex}.pend-dock-sel{border:1px solid var(--pend-rule);border-radius:10px;flex:none;align-items:stretch;display:flex;overflow:hidden}.pend-dock-sel-col{flex-direction:column;display:flex}.pend-dock-sel-col:first-child{width:116px}.pend-dock-sel-col:last-child{width:118px}.pend-dock-sel-split{background:var(--pend-rule);flex:none;width:1px}.pend-dock-sel-head{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--pend-faint);padding:7px 11px 5px;font-size:8.5px}.pend-dock-sel-row{box-sizing:border-box;width:100%;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:8px;margin:0;padding:5px 11px;transition:background .15s;display:flex}.pend-dock-sel-row+.pend-dock-sel-row{border-top:1px solid var(--pend-rule2)}.pend-dock-sel-glyph{width:14px;height:14px;color:var(--pend-faint);flex:none;justify-content:center;align-items:center;display:inline-flex}.pend-dock-sel-label{white-space:nowrap;min-width:0;font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.03em;color:var(--pend-muted);flex:1;font-size:11px}.pend-dock-sel-row:hover:not([data-selected=true]):not(:disabled){background:var(--pend-bg2)}.pend-dock-sel-row[data-selected=true]{background:color-mix(in oklab, var(--pend-accent) 13%, transparent)}.pend-dock-sel-row[data-selected=true] .pend-dock-sel-glyph,.pend-dock-sel-row[data-selected=true] .pend-dock-sel-label{color:var(--pend-accent)}.pend-dock-sel-row:disabled{cursor:not-allowed;opacity:.4}.pend-dock-sel-row:disabled .pend-dock-sel-label{text-decoration:line-through}.pend-dock-live{flex:1;min-width:220px;position:relative;overflow:hidden}.pend-dock-params-row{align-items:center;gap:10px;margin-top:12px;display:flex}.pend-dock-params-label{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--pend-faint);flex:none;font-size:8.5px}.pend-dock-params{flex-wrap:wrap;gap:6px;min-width:0;display:flex}.pend-dock-param{box-sizing:border-box;border:1px solid var(--pend-rule);font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.02em;color:var(--pend-muted);white-space:nowrap;cursor:pointer;background:0 0;border-radius:8px;margin:0;padding:5px 10px;font-size:11px;transition:color .15s,border-color .15s}.pend-dock-param[data-selected=true]{border-color:var(--pend-accent);background:color-mix(in oklab, var(--pend-accent) 12%, transparent);color:var(--pend-accent)}.pend-dock-param:disabled{color:var(--pend-faint);opacity:.5;cursor:not-allowed;text-decoration:line-through}@keyframes pend-dock-pop{0%{opacity:0;transform:translate(-50%,6px)}to{opacity:1;transform:translate(-50%)}}.pend-dock-pop{animation:.16s ease-out pend-dock-pop}@media (max-width:520px){.pend-dock-sys-body{flex-direction:column;align-items:stretch}.pend-dock-sel{align-self:center}.pend-dock-live{width:100%;min-height:120px}}@media (max-width:640px){.pend-dock-word{display:none}}@media (prefers-reduced-motion:reduce){.pend-dock-pop{animation:none}}.pend-inst-mlabel{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.02em;color:var(--pend-ink);white-space:nowrap;font-size:11.5px}.pend-inst-mlabel-unit{letter-spacing:.03em;color:var(--pend-faint);font-size:9.5px}.pend-inst-time{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.03em;color:var(--pend-muted);pointer-events:none;font-variant-numeric:tabular-nums;font-size:11px}.pend-inst-bar{grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;display:grid}.pend-inst-bar-side{align-items:center;gap:6px;display:flex}.pend-inst-bar>.pend-inst-bar-side:last-child{justify-self:end}.pend-inst-bar-center{justify-self:center}.pend-inst-presetrow{flex-wrap:wrap;justify-content:center;gap:6px;display:flex}.pend-inst-icon{width:32px;height:32px;color:var(--pend-muted);cursor:pointer;background:0 0;border:none;border-radius:999px;justify-content:center;align-items:center;transition:background-color .2s,color .2s,transform .15s;display:inline-flex}.pend-inst-icon:hover{background:var(--pend-bg2);color:var(--pend-ink)}.pend-inst-icon:active{transform:scale(.9)}.pend-inst-icon--primary{background:var(--pend-accent);color:var(--pend-bg)}.pend-inst-icon--primary:hover{background:var(--pend-accent);color:var(--pend-bg);filter:brightness(1.06)}.pend-inst-tip{position:relative}.pend-inst-tip:after{content:attr(data-tip);background:var(--pend-card);border:1px solid var(--pend-rule);color:var(--pend-ink);font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.04em;white-space:nowrap;opacity:0;pointer-events:none;z-index:10;border-radius:6px;padding:5px 9px;font-size:10.5px;transition:opacity .15s,transform .15s;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%)translateY(2px)}.pend-inst-tip:hover:after{opacity:1;transform:translate(-50%)translateY(0)}.pend-inst-preset2{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.08em;color:var(--pend-muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:999px;padding:8px 18px;font-size:11px;line-height:1;transition:color .2s,background-color .2s}.pend-inst-preset2:hover{background:var(--pend-bg2);color:var(--pend-ink)}.pend-inst-preset2[data-active=true]{background:var(--pend-accent);color:var(--pend-bg)}.pend-inst-sig{font-family:var(--font-pend-mono), ui-monospace, monospace;border:1px solid var(--pend-rule);color:var(--pend-muted);cursor:pointer;background:0 0;border-radius:999px;padding:3px 8px;font-size:11.5px;line-height:1;transition:color .15s,border-color .15s,background-color .15s}.pend-inst-sig:hover{color:var(--pend-ink)}.pend-inst-wall{grid-template-rows:220px 190px;grid-template-columns:1fr 1fr;gap:8px;display:grid}.pend-inst-scrubs{flex-wrap:wrap;align-items:flex-end;gap:12px;display:flex}.pend-inst-scrub{flex:150px;min-width:150px}.pend-inst-scrub-head{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:5px;display:flex}.pend-inst-scrub-label{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.02em;color:var(--pend-ink);white-space:nowrap;font-size:12.5px}.pend-inst-scrub-unit{letter-spacing:.03em;color:var(--pend-faint);font-size:9.5px}.pend-inst-scrub-val{text-align:right;width:66px;font-family:var(--font-pend-mono), ui-monospace, monospace;color:var(--pend-ink);cursor:text;background:0 0;border:1px solid #0000;border-radius:4px;padding:1px 4px;font-size:12px}.pend-inst-scrub-val:hover{border-color:var(--pend-rule2)}.pend-inst-scrub-val:focus{border-color:var(--pend-accent);background:var(--pend-bg2);outline:none}.pend-inst-strip{border:1px solid var(--pend-rule);background:var(--pend-canvas);cursor:ew-resize;touch-action:none;border-radius:6px;height:30px;position:relative;overflow:hidden}.pend-inst-strip:focus-visible{outline:1px solid var(--pend-accent);outline-offset:1px}.pend-inst-caption{font-family:var(--font-fraunces), Georgia, serif;color:var(--pend-ink);margin:14px 4px 0;font-size:14.5px;font-style:italic}.pend-inst-read{grid-template-columns:1fr 1fr;gap:10px;display:grid}.pend-inst-read-card{background:var(--pend-card);border:1px solid var(--pend-rule2);border-radius:10px;padding:14px 18px 16px}.pend-inst-read-title{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.02em;color:var(--pend-ink);margin-bottom:6px;font-size:11.5px}.pend-inst-read-card p{color:var(--pend-ink);margin:0;font-size:15px;line-height:1.65}@media (max-width:639px){.pend-inst-wall{grid-template-rows:repeat(4,200px);grid-template-columns:minmax(0,1fr)}.pend-inst-scrub{flex:calc(50% - 6px);min-width:130px}.pend-inst-read{grid-template-columns:minmax(0,1fr)}}@media (max-width:390px){.pend-inst-scrub{min-width:0}}@media (prefers-reduced-motion:reduce){.pend-inst-icon,.pend-inst-preset2,.pend-inst-sig,.pend-inst-tip:after{transition:none}}.pend-teaser-grid{grid-template-columns:280px minmax(0,1fr);display:grid;overflow:hidden}.pend-teaser-stage{background:var(--pend-canvas);border-right:1px solid var(--pend-rule2);min-height:190px;position:relative}.pend-teaser-copy{flex-direction:column;justify-content:center;gap:8px;padding:30px 36px;display:flex}.pend-teaser-link{width:fit-content;font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.08em;color:var(--pend-gold);margin-top:10px;font-size:12px;text-decoration:none;transition:color .2s}.pend-teaser-link:hover{color:var(--pend-ink)}@media (max-width:639px){.pend-teaser-grid{grid-template-columns:minmax(0,1fr)}.pend-teaser-stage{border-right:none;border-bottom:1px solid var(--pend-rule2);min-height:150px}.pend-teaser-copy{padding:24px 22px 26px}}@media (prefers-reduced-motion:reduce){.pend-teaser-link{transition:none}}.pend-poincare-lead{color:var(--pend-ink);margin:0 0 14px}.pend-poincare-tabcard{border:1px solid var(--pend-rule2);background:var(--pend-bg2);border-radius:10px;margin-bottom:12px;padding:10px 12px}.pend-poincare-tabs{flex-wrap:wrap;gap:6px;margin-bottom:10px;display:flex}.pend-poincare-tab{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.08em;border:1px solid var(--pend-rule);color:var(--pend-muted);cursor:pointer;background:0 0;border-radius:999px;padding:7px 15px;font-size:11px;line-height:1;transition:color .2s,background-color .2s,border-color .2s}.pend-poincare-tab:hover{background:var(--pend-bg2);color:var(--pend-ink)}.pend-poincare-tab[data-active=true]{background:var(--pend-accent);border-color:var(--pend-accent);color:var(--pend-bg)}.pend-poincare-specimen{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--pend-faint);align-self:center;margin-left:auto;font-size:10px}.pend-poincare-kindrow{flex-wrap:wrap;align-items:center;gap:6px;margin:2px 0 10px;display:flex}.pend-poincare-kindword{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--pend-faint);margin:0 6px 0 2px;font-size:10px}.pend-poincare-kind{font-family:var(--font-pend-mono), ui-monospace, monospace;letter-spacing:.08em;border:1px solid var(--pend-rule);color:var(--pend-muted);cursor:pointer;background:0 0;border-radius:6px;padding:6px 13px;font-size:10.5px;line-height:1;transition:color .2s,background-color .2s,border-color .2s}.pend-poincare-kind:hover{background:var(--pend-bg2);color:var(--pend-ink)}.pend-poincare-kind[data-active=true]{border-color:var(--pend-accent);color:var(--pend-accent);background:0 0}.pend-poincare-mode{font-family:var(--font-pend-mono), ui-monospace, 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