@font-face{font-family:Gillius;src:url('./fonts/Gillius-Regular.woff') format('woff');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:Gillius;src:url('./fonts/Gillius-Bold.woff') format('woff');font-style:normal;font-weight:700;font-display:swap}
:root{--flavor:#00703c;--paper:#f2f8f5;--tint:#cce2d8;--ink:#16382b;--soft:#739587;--line:#d6e5de;--muted:#5d7b6e;font-family:Gillius,'Gill Sans','Trebuchet MS',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;min-width:320px}button,a,input{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:2px solid var(--flavor);outline-offset:5px}svg{display:block;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}button{border:0;background:none}button[hidden],[hidden]{display:none!important}
.frame-title{height:90px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--flavor);color:var(--paper);padding:0 4.1vw}.brand{display:flex;gap:17px;align-items:center;font-size:29px;font-weight:700;letter-spacing:-.4px;white-space:nowrap}.brand svg{height:34px;width:34px;stroke-width:1.1}.frame-title nav{display:flex;align-self:stretch;align-items:center;gap:28px;font-size:17px}.frame-title nav a{position:relative;display:flex;align-items:center;height:100%;opacity:.64;transition:opacity .2s}.frame-title nav a:hover,.frame-title nav a[aria-current]{opacity:1}.frame-title nav a[aria-current]:after{content:'';position:absolute;bottom:20px;left:0;right:0;height:2px;background:var(--tint)}
main{min-height:calc(100svh - 128px)}.page{min-height:calc(100svh - 128px);position:relative}.cone-page{display:grid;grid-template-columns:minmax(0,1fr) 285px;grid-template-rows:minmax(360px,1fr) auto;column-gap:20px;padding:0 7vw 22px 3vw;height:calc(100svh - 128px)}.cone-stage{position:relative;min-height:0;grid-row:1;grid-column:1}.cone-stage>canvas{width:100%;height:100%;display:block;touch-action:none;cursor:grab}.cone-stage>canvas:active{cursor:grabbing}.stage-tools{position:absolute;top:24px;left:24px;display:flex;gap:6px}.icon-button{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border:1px solid transparent;opacity:.64;border-radius:2px;transition:background .15s,opacity .15s;font-size:24px}.icon-button svg{width:19px;height:19px}.icon-button:hover,.icon-button[aria-pressed=true]{opacity:1;background:var(--tint)}.axis-gizmo{position:absolute;bottom:21px;left:30px;width:64px;color:var(--soft);pointer-events:none}.axis-gizmo svg{width:100%;stroke-width:.9}.axis-gizmo text{stroke:none;fill:currentColor;font-family:Georgia,serif;font-size:11px;font-style:italic}.axis-gizmo circle{fill:currentColor;stroke:none}
.section-window{align-self:center;width:100%;border:1px solid #95bca9;background:rgba(255,255,255,.35);margin-top:36px;animation:window-appear .4s both;position:relative}.window-top{height:32px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 15px;color:var(--soft);font-size:11px;letter-spacing:.08em}.window-dot{width:5px;height:5px;border-radius:50%;background:var(--flavor)}#section-canvas{height:168px;width:100%;display:block}.section-link{display:flex;justify-content:space-between;align-items:center;padding:0 21px 20px;font-size:34px;letter-spacing:-.6px;color:var(--flavor)}.section-link svg{width:32px;height:32px;transition:transform .18s}.section-link:hover svg{transform:translateX(5px)}.section-window.changed .section-link{animation:section-change .24s}.cone-controls{grid-row:2;grid-column:1/-1;max-width:720px;width:100%;justify-self:center;padding:3px 20px 0;display:grid;grid-template-columns:minmax(0,1fr) 180px;column-gap:40px;row-gap:20px}.cut-presets{grid-column:1/-1;display:flex;gap:13px;justify-content:center;padding-bottom:7px}.cut-presets button{width:58px;height:41px;display:grid;place-items:center;color:var(--soft);border-bottom:2px solid transparent;transition:color .15s,background .15s}.cut-presets button svg{width:36px;height:28px;stroke-width:1.4}.cut-presets button:hover{background:#e5f0ea}.cut-presets button[aria-pressed=true]{color:var(--flavor);border-bottom-color:var(--flavor)}
.control-row{display:grid;grid-template-columns:20px minmax(0,1fr) 53px;align-items:center;gap:15px;height:40px}.control-row>label{font-family:Georgia,serif;font-size:19px}.control-row output{font-size:15px;font-variant-numeric:tabular-nums;text-align:right;color:var(--flavor)}.range-wrap{position:relative;display:flex;align-items:center}.range-ticks{position:absolute;left:0;right:0;top:24px;display:flex;justify-content:space-between;color:var(--soft);font-size:11px;pointer-events:none}.parabola-tick{position:absolute;left:66.666%;transform:translateX(-50%)}input[type=range]{appearance:none;-webkit-appearance:none;width:100%;height:32px;background:linear-gradient(to right,var(--flavor) 0%,var(--flavor) var(--fill,50%),#ccded4 var(--fill,50%),#ccded4 100%);background-size:100% 3px;background-position:center;background-repeat:no-repeat;outline:none;cursor:pointer;display:block;margin:0}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:13px;height:13px;border-radius:50%;background:var(--flavor);border:3px solid var(--paper);box-shadow:0 0 0 1px var(--flavor)}input[type=range]::-moz-range-thumb{width:8px;height:8px;border-radius:50%;background:var(--flavor);border:3px solid var(--paper);box-shadow:0 0 0 1px var(--flavor)}input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 5px #00703c30}input[type=range]:focus-visible::-moz-range-thumb{box-shadow:0 0 0 5px #00703c30}.offset-control{gap:11px;grid-template-columns:13px minmax(0,1fr) 35px}.offset-control output{font-size:13px}
.detail-page{display:grid;grid-template-columns:minmax(0,1fr) 370px;padding:36px 5vw 36px 3.8vw;gap:4vw;height:calc(100svh - 128px)}.graph-stage{position:relative;min-width:0;min-height:440px}#graph-canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}.graph-tools{position:absolute;bottom:16px;left:18px;display:flex;gap:3px;background:var(--paper)}.graph-tools .icon-button{border-color:var(--line);border-radius:0;background:var(--paper);width:32px;height:32px}.graph-tools .icon-button:hover{background:var(--tint)}.equation-panel{align-self:center;padding:20px 0 12px;min-width:0}.detail-heading{display:flex;align-items:center;justify-content:space-between;padding-bottom:22px;border-bottom:2px solid var(--flavor)}h1{font-size:38px;font-weight:400;letter-spacing:-.7px;margin:0;color:var(--flavor)}.equation{min-height:122px;display:flex;align-items:center;justify-content:center;padding:23px 0 18px;font-size:25px;color:var(--ink);overflow-x:auto}.equation math{white-space:nowrap}.equation-options{display:flex;align-items:center;justify-content:flex-end;gap:10px;min-height:35px;margin-bottom:19px}.segmented{display:flex;border:1px solid #bed6c9}.segmented button{height:30px;width:38px;color:var(--muted);font-size:21px;display:flex;align-items:center;justify-content:center}.segmented button+button{border-left:1px solid #bed6c9}.segmented button[aria-pressed=true]{background:var(--tint);color:var(--flavor)}.feature-button{border:1px solid #bed6c9;width:32px;height:32px;font-family:Georgia,serif;font-size:18px;color:var(--muted)}.feature-button[aria-pressed=true]{background:var(--tint);color:var(--flavor)}.parameter-controls{display:grid;row-gap:23px}.parameter-row{display:grid;grid-template-columns:22px 1fr 48px;align-items:center;gap:20px}.parameter-row label{font-family:Georgia,serif;font-size:21px;font-style:italic}.parameter-row output{font-size:17px;font-variant-numeric:tabular-nums;text-align:right;color:var(--flavor)}.back-link{margin-top:38px;display:inline-flex;gap:12px;align-items:center;color:var(--muted);font-size:16px}.back-link svg{width:20px;height:20px}.back-link:hover{color:var(--flavor)}.frame-footer{height:38px;display:flex;justify-content:space-between;align-items:center;margin:0 4.1vw;font-size:11px;color:var(--soft);letter-spacing:.025em;border-top:1px solid var(--line)}.frame-footer span:first-child{font-weight:700}.frame-footer span:last-child{font-variant-numeric:tabular-nums}
@keyframes window-appear{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes section-change{from{opacity:.3;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1600px){.cone-page{padding-right:10vw;grid-template-columns:minmax(0,1fr) 315px}.section-window #section-canvas{height:200px}.cone-controls{max-width:850px}.detail-page{grid-template-columns:minmax(0,1fr) 430px;gap:6vw;padding-right:8vw}.equation{font-size:28px}}
@media(max-width:1000px){.frame-title{height:78px;padding:0 3vw;gap:20px}.brand{font-size:25px;gap:12px}.brand svg{height:29px;width:29px}.frame-title nav{gap:17px;font-size:15px}.frame-title nav a[aria-current]:after{bottom:17px}main,.page{min-height:calc(100svh - 116px)}.cone-page{height:calc(100svh - 116px);padding-right:4vw;grid-template-columns:minmax(0,1fr) 235px;gap:8px}.section-link{font-size:30px;padding:0 17px 18px}#section-canvas{height:145px}.cone-controls{max-width:670px}.detail-page{height:calc(100svh - 116px);grid-template-columns:minmax(0,1fr) 290px;gap:26px;padding:28px 4vw 28px 2vw}.equation{font-size:22px}.parameter-row{gap:12px}.equation-panel h1{font-size:33px}}
@media(max-width:700px){.frame-title{height:110px;display:block;padding:17px 6vw 0}.brand{font-size:25px;gap:11px}.brand svg{height:27px;width:27px}.frame-title nav{height:48px;justify-content:space-between;gap:8px;font-size:14px}.frame-title nav a[aria-current]:after{bottom:6px}main,.page{min-height:calc(100svh - 144px)}.cone-page{height:calc(100svh - 144px);min-height:590px;padding:0 5vw 25px;display:block}.cone-stage{height:calc(100% - 155px);min-height:370px;width:100%}.stage-tools{top:18px;left:0}.axis-gizmo{left:0;bottom:12px;width:47px}.section-window{position:absolute;right:5vw;bottom:177px;width:143px;margin:0;background:#f2f8f5eb}.window-top{height:24px;padding:0 10px;font-size:9px}#section-canvas{height:83px}.section-link{padding:0 10px 12px;font-size:23px;letter-spacing:-.4px}.section-link svg{width:23px;height:23px}.cone-controls{position:absolute;bottom:25px;left:5vw;width:90vw;max-width:none;display:grid;grid-template-columns:1fr 130px;column-gap:26px;row-gap:10px;padding:0}.cut-presets{gap:8px;padding-bottom:3px}.cut-presets button{width:48px;height:38px}.control-row{gap:8px;grid-template-columns:13px minmax(0,1fr) 40px}.offset-control{grid-template-columns:12px minmax(0,1fr) 30px;gap:8px}.control-row output{font-size:13px}.range-ticks{font-size:10px}.detail-page{height:auto;min-height:calc(100svh - 144px);display:flex;flex-direction:column;padding:10px 5vw 24px;gap:4px}.graph-stage{height:48svh;min-height:320px;flex:none}.equation-panel{padding:8px 3px 0;width:100%;align-self:stretch}.detail-heading{padding-bottom:12px}h1,.equation-panel h1{font-size:32px}.equation{min-height:92px;font-size:25px;padding:18px 0}.equation-options{margin-bottom:20px}.parameter-controls{grid-template-columns:1fr 1fr;gap:19px 25px}.parameter-row{grid-template-columns:14px 1fr 32px;gap:10px}.parameter-row label{font-size:19px}.parameter-row output{font-size:15px}.back-link{margin-top:25px}.frame-footer{height:34px;margin:0 6vw}.graph-tools{bottom:9px;left:9px}}
@media(max-width:380px){.cone-controls{grid-template-columns:1fr;row-gap:9px;column-gap:0}.cone-page{min-height:650px}.cone-stage{height:calc(100% - 190px)}.cut-presets{grid-column:1;gap:7px}.offset-control{max-width:190px;justify-self:center;width:100%}.section-window{bottom:210px}.cone-controls{bottom:20px}.parameter-controls{column-gap:14px}.parameter-row{gap:7px}.frame-title nav{font-size:13px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
.surface-picker{position:absolute;left:20px;top:49%;transform:translateY(-50%);display:flex;flex-direction:column;gap:7px;z-index:2}.surface-picker button{width:43px;height:49px;display:grid;place-items:center;color:var(--flavor);opacity:.43;border-left:2px solid transparent;background:rgba(242,248,245,.7);transition:opacity .16s,background .16s}.surface-picker button svg{width:27px;height:34px;stroke-width:1.1}.surface-picker button:hover{opacity:.85}.surface-picker button[aria-pressed=true]{opacity:1;background:var(--tint);border-left-color:var(--flavor)}.cut-presets .apex-cut{margin-left:9px;border-left:1px solid var(--line);padding-left:13px}.section-link{gap:12px}.section-link span{line-height:1.05}.section-link svg{flex:none}.offset-control output{min-width:38px}
@media(max-width:700px){.surface-picker{left:0;top:44%;gap:3px}.surface-picker button{width:32px;height:41px}.surface-picker button svg{width:23px;height:29px}.cut-presets .apex-cut{margin-left:3px;padding-left:6px}.offset-control output{font-size:12px}}
.section-window.long-name .section-link{font-size:30px}@media(max-width:700px){.section-window.long-name .section-link{font-size:19px;gap:5px}}

/* Keep the result outside the cone's drawing area on phones. */
@media(max-width:700px){
  .cone-page{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(330px,1fr) 92px auto;row-gap:13px;min-height:620px;padding:0 5vw 22px}
  .cone-stage{height:auto;min-height:330px;width:100%;grid-row:1}
  .section-window{position:relative;grid-row:2;grid-column:1;right:auto;bottom:auto;width:100%;height:92px;margin:0;display:grid;grid-template-columns:108px minmax(0,1fr);align-items:center;background:rgba(255,255,255,.35)}
  .window-top{display:none}
  #section-canvas{height:82px;width:108px}
  .section-link{height:100%;padding:10px 16px 10px 8px;font-size:28px;gap:10px}
  .section-link svg{width:27px;height:27px}
  .section-window.long-name .section-link{font-size:23px;gap:8px}
  .cone-controls{position:relative;grid-row:3;grid-column:1;bottom:auto;left:auto;width:100%;padding:0;grid-template-columns:minmax(0,1fr) 130px;column-gap:24px;row-gap:10px}
}
@media(max-width:380px){
  .cone-page{min-height:660px}
  .cone-controls{grid-template-columns:1fr;bottom:auto}
  .section-window{bottom:auto}
  .section-window.long-name .section-link{font-size:21px}
}
.segmented button svg{width:20px;height:20px;flex:none}

.definitions-page{padding:38px 6vw 42px;display:grid;place-items:center}
.locus-gallery{width:min(940px,100%);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.locus-card{min-width:0;height:clamp(225px,31svh,295px);padding:0;display:grid;grid-template-rows:30px minmax(0,1fr) 64px;text-align:left;border:1px solid #95bca9;background:rgba(255,255,255,.35);transition:background .18s,border-color .18s}
.locus-card:hover{background:#e6f1eb;border-color:var(--flavor)}
.locus-card-top{display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--line);font-size:11px;letter-spacing:.08em;color:var(--soft)}
.locus-card canvas{display:block;width:100%;height:100%;min-height:0;pointer-events:none}
.locus-card-name{display:flex;justify-content:space-between;align-items:center;gap:6px;padding:0 21px 13px;font-size:32px;color:var(--flavor);letter-spacing:-.5px}
.locus-card-name svg{width:30px;height:30px;flex:none;transition:transform .18s}
.locus-card:hover .locus-card-name svg{transform:translateX(4px)}
.locus-dialog{width:min(920px,94vw);max-width:none;max-height:92svh;padding:0;margin:auto;overflow:auto;color:var(--ink);background:var(--paper);border:1px solid #95bca9;box-shadow:0 18px 80px #16382b30}
.locus-dialog::backdrop{background:#16382b70;backdrop-filter:blur(4px)}
.locus-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 28px;padding:20px 0 14px;border-bottom:1px solid var(--line)}
.locus-dialog h1{font-size:32px}
.locus-dialog .icon-button{width:38px;height:38px;flex:none;opacity:.85}
#locus-canvas{display:block;width:100%;height:clamp(240px,43svh,440px);touch-action:none;cursor:crosshair}
.locus-rule{display:flex;justify-content:center;padding:0 15px;color:var(--flavor);font-size:27px}
.locus-rule math{white-space:nowrap}
.locus-comparison{display:block;width:min(480px,90%);height:104px;margin:4px auto 0}
.locus-comparison text{font-family:Georgia,serif;font-size:15px;font-style:italic;stroke:none}
.locus-definition{max-width:600px;margin:12px auto 0;padding:0 22px;font-size:17px;line-height:1.45;text-align:center}
.locus-transport{width:min(520px,100%);margin:auto;padding:16px 24px 23px;display:grid;grid-template-columns:38px 38px 16px minmax(0,1fr);align-items:center;gap:12px}
.locus-transport>label{font-family:Georgia,serif;font-size:20px;color:var(--flavor)}
@media(max-width:700px){
  .frame-title nav{gap:6px}
  .definitions-page{padding:24px 5vw 30px}
  .locus-gallery{gap:15px}
  .locus-card{height:210px;grid-template-rows:26px minmax(0,1fr) 52px}
  .locus-card-top{padding:0 11px;font-size:10px}
  .locus-card-name{padding:0 12px 10px;font-size:24px}
  .locus-card-name svg{width:23px;height:23px}
  .locus-dialog-head{margin:0 18px;padding:13px 0 9px}
  .locus-dialog h1{font-size:28px}
  #locus-canvas{height:clamp(240px,39svh,350px)}
  .locus-rule{font-size:24px}
  .locus-definition{font-size:15px;margin-top:10px;padding:0 18px}
  .locus-transport{gap:8px;padding:13px 16px 18px}
}
@media(max-width:380px){
  .frame-title nav{gap:4px;font-size:12px}
  .locus-gallery{gap:12px}
  .locus-card{height:190px}
  .locus-card-name{font-size:21px;padding-left:10px;padding-right:10px}
  .locus-card-name svg{width:19px;height:19px}
}