/* A tool index and an adjacent note change together when a visitor explores. */
.workbench-section { margin-top: 85px; padding-top: 40px; border-top: 1px solid var(--line); }
.workbench-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; margin-bottom: 35px; }
.workbench-heading .eyebrow { font-size: 14px; margin-bottom: 24px; }
.workbench-heading h3 { font-size: 54px; }
.workbench-heading>p { font-size: 14px; line-height: 1.8; color: var(--muted); padding-bottom: 5px; }
.workspace-tabs { display: none; gap: 30px; border-bottom: 1px solid var(--line); }
.is-interactive .workspace-tabs { display: flex; }
.workspace-tabs button { position: relative; text-align: left; padding: 16px 0 21px; min-width: 120px; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.workspace-tabs button>.mono { display: block; font-size: 14px; color: var(--muted); margin-bottom: 6px; }
.workspace-tabs strong { font: 500 20px var(--display); letter-spacing: -.035em; }
.workspace-arrow { display: none; }
.workspace-tabs [aria-selected=true] { border-color: var(--dark); color: var(--dark); }
.workspace-tabs button:hover { color: var(--dark); }
.stack-board { display: grid; grid-template-columns: 1fr 1fr; gap: 25px 50px; padding: 24px 0 15px; }
.board-caption { grid-column: 1/-1; display: flex; justify-content: space-between; gap: 15px; font-size: 14px; color: var(--muted); }
.stack-modules { display: flex; flex-direction: column; gap: 8px; }
.stack-module { position: relative; display: grid; grid-template-columns: 18px 55px 1fr; grid-template-rows: auto auto; gap: 4px 15px; align-items: center; min-height: 96px; text-align: left; padding: 16px 20px; border-radius: 0 30px 0 0; border-bottom: 1px solid var(--line); transition: background .2s; }
.module-index { grid-row: 1/3; font-size: 14px; color: var(--muted); }
.module-glyph { grid-row: 1/3; grid-column: 2; font: italic 32px var(--serif); letter-spacing: -.06em; color: var(--accent); }
.stack-module strong { grid-column: 3; font-size: 19px; font-weight: 500; letter-spacing: -.035em; }
.module-tools { grid-column: 3; font-size: 14px; color: var(--muted); }
.module-port,.module-connection { display: none; }
.stack-module[aria-pressed=true] { background: var(--surface-raised); border-bottom-color: var(--dark); }
.stack-module[aria-pressed=true] strong { color: var(--dark); }
.is-interactive .stack-module:hover { background: var(--surface); }
.module-detail { align-self: center; position: relative; padding: 26px 0 30px; min-height: 270px; display: flex; flex-direction: column; align-items: flex-start; }
.module-detail-label { font-size: 14px; color: var(--muted); margin-bottom: 22px; }
.module-detail-label span { display: inline; margin-left: 8px; }
.module-detail h4 { font: italic 35px/1.12 var(--serif); color: var(--dark); margin-bottom: 18px; letter-spacing: -.045em; }
.module-detail p { font-size: 14px; color: var(--muted); line-height: 1.85; max-width: 470px; }
.module-project-link { width: 39px; height: 39px; border: 1px solid var(--line-strong); border-radius: 50%; font-size: 23px; margin-top: 23px; }
.module-project-link:hover { background: var(--dark); color: var(--paper); }
.full-toolbox { border-bottom: 1px solid var(--line); margin-top: 15px; }
.full-toolbox summary { cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: 14px 0 17px; list-style: none; font-size: 14px; }
.full-toolbox summary::-webkit-details-marker { display: none; }
.full-toolbox summary>.mono { font-size: 22px; transition: transform .2s; }
.full-toolbox[open] summary>.mono { transform: rotate(45deg); }
.toolbox-inventory { display: grid; gap: 13px; padding: 10px 0 25px; }
.toolbox-inventory p { font-size: 14px; color: var(--muted); }
.toolbox-inventory b { display: inline-block; width: 110px; font-size: 14px; font-weight: 500; color: var(--ink); }

/* The options example is drawn like a blue graph on a dark instrument panel. */
.market-lab { margin-top: 85px; display: grid; grid-template-columns: .85fr 1.4fr; gap: 7%; align-items: center; }
.market-intro { display: flex; flex-direction: column; align-items: flex-start; padding: 10px 0; }
.market-intro .eyebrow { font-size: 14px; line-height: 1.8; margin-bottom: 30px; }
.market-intro h3 { font-size: clamp(39px,4.6vw,64px); line-height: 1.08; color: var(--dark); margin-bottom: 27px; }
.market-intro h3>span { font-family: var(--serif); font-style: italic; font-weight: 400; }
.market-intro>p:not(.eyebrow) { font-size: 14px; color: var(--muted); line-height: 1.85; max-width: 315px; }
.market-intro>.inline-link { margin-top: 24px; font-size: 14px; }
.market-achievement { display: flex; align-items: center; gap: 18px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); }
.market-achievement strong { font: 34px var(--serif); white-space: nowrap; color: var(--dark); letter-spacing: -.055em; }
.market-achievement strong>span { font-size: 22px; }
.market-achievement>.mono { font-size: 14px; color: var(--muted); line-height: 1.8; }
.payoff-lab { min-width: 0; padding: 30px 30px 27px; background: var(--surface); border-radius: 45px 0 0 0; border: 1px solid var(--line); border-bottom: 4px solid var(--line); }
.payoff-heading { display: flex; justify-content: space-between; gap: 15px; align-items: center; margin-bottom: 18px; }
.payoff-heading>.mono { font-size: 14px; color: var(--muted); }
.payoff-heading .example-tag { font-size: 14px; color: var(--accent); }
.strategy-switch { display: none; grid-template-columns: 1fr 1fr; padding: 3px; gap: 3px; border-radius: 25px; background: var(--surface-inset); margin-bottom: 24px; }
.is-interactive .strategy-switch { display: grid; }
.strategy-switch button { font-size: 14px; padding: 10px 8px; border-radius: 22px; transition: background .2s; }
.strategy-switch [aria-pressed=true] { background: var(--dark); color: var(--paper); }
.strategy-switch button:hover:not([aria-pressed=true]) { background: var(--surface-raised); }
.payoff-readout { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 90px; margin-bottom: 14px; }
.payoff-readout .mono { display: block; font-size: 14px; color: var(--muted); margin-bottom: 9px; }
#payoff-value { font: 48px/1 var(--serif); color: var(--dark); letter-spacing: -.055em; font-variant-numeric: tabular-nums; white-space: nowrap; display: block; }
[data-result=loss] #payoff-value { color: var(--accent); }
.payoff-readout>p { max-width: 170px; font-size: 14px; color: var(--muted); line-height: 1.75; }
.payoff-chart { width: 100%; height: auto; display: block; overflow: visible; touch-action: pan-y; user-select: none; }
.is-interactive .payoff-chart { cursor: ew-resize; }
.plot-grid path { fill: none; stroke: var(--surface-raised); stroke-width: .8; }
.plot-zero { stroke: var(--line-strong); stroke-width: 1; stroke-dasharray: 4 5; fill: none; }
.plot-strike { stroke: var(--line-strong); stroke-width: 1; stroke-dasharray: 3 6; }
.plot-labels { fill: var(--muted); font: 14px var(--mono); }
#strike-label { font-size: 14px; }
.plot-comparison { fill: none; stroke: var(--muted); stroke-width: 1.5; stroke-dasharray: 5 5; }
.plot-payoff { fill: none; stroke: var(--dark); stroke-width: 3; stroke-linejoin: round; }
.plot-crosshair { stroke: var(--accent); stroke-width: 1; opacity: .6; }
.plot-dot { fill: var(--dark); stroke: var(--surface); stroke-width: 2; }
.plot-halo { fill: color-mix(in srgb, var(--dark) 13.3%, transparent); }
.plot-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); margin: 12px 0 23px; }
.plot-legend>span { display: flex; align-items: center; gap: 5px; }
.plot-legend i { display: inline-block; width: 14px; border-top: 2px solid var(--dark); }
.plot-legend .comparison-key { border-top: 1px dashed var(--muted); }
.plot-legend .chart-hint { margin-left: auto; font-size: 14px; display: none; }
.is-interactive .chart-hint { display: block; }
.expiry-control { display: none; }
.is-interactive .expiry-control { display: block; }
.expiry-control label { display: flex; justify-content: space-between; gap: 20px; align-items: center; font-size: 14px; }
#expiry-value { font: 14px var(--mono); color: var(--dark); }
.expiry-control input[type=range] { margin: 14px 0 11px; }
.price-presets { display: flex; justify-content: space-between; gap: 12px; }
.price-presets button { font-size: 14px; color: var(--muted); border-bottom: 1px solid transparent; padding: 3px 0; }
.price-presets button:hover,.price-presets [aria-pressed=true] { color: var(--dark); border-color: var(--dark); }
.payoff-assumptions { display: grid; grid-template-columns: 65px 1fr; gap: 17px; border-top: 1px solid var(--line); margin-top: 25px; padding-top: 18px; }
.payoff-assumptions>.mono { font-size: 14px; color: var(--muted); }
.payoff-assumptions p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.payoff-note { color: var(--muted); font-size: 14px; line-height: 1.7; margin-top: 13px; }
.payoff-note a { color: var(--dark); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width:1100px) {
  .workbench-heading h3 { font-size: 47px; }
  .stack-board { gap: 24px 35px; }
  .stack-module { grid-template-columns: 15px 40px 1fr; gap: 4px 12px; padding: 15px; }
  .module-glyph { font-size: 29px; }
  .module-detail h4 { font-size: 31px; }
  .market-lab { gap: 5%; }
  .payoff-lab { padding: 27px 23px; }
  .market-achievement { gap: 12px; }
  .market-achievement strong { font-size: 29px; }
  .market-achievement>.mono { font-size: 14px; }
}
@media (max-width:800px) {
  .workbench-heading h3 { font-size: 43px; }
  .workbench-heading>p { font-size: 14px; max-width: 180px; }
  .workspace-tabs { gap: 27px; }
  .workspace-tabs button { min-width: 110px; }
  .stack-board { gap: 23px; }
  .stack-module { grid-template-columns: 11px 30px 1fr; gap: 4px 10px; padding: 14px 10px; }
  .module-glyph { font-size: 25px; }
  .stack-module strong { font-size: 17px; }
  .module-tools { font-size: 14px; }
  .module-detail h4 { font-size: 29px; }
  .module-detail p { font-size: 14px; }
  .market-lab { grid-template-columns: 1fr; gap: 35px; }
  .market-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 0 35px; }
  .market-intro .eyebrow { grid-column: 1/-1; }
  .market-intro h3 { grid-row: 2/5; margin-bottom: 0; font-size: 53px; }
  .market-intro>.inline-link { justify-self: start; margin-top: 18px; }
  .market-achievement { margin-top: 24px; padding-top: 17px; }
  .payoff-lab { padding: 32px; }
  .payoff-readout>p { max-width: 230px; font-size: 14px; }
}
@media (max-width:600px) {
  .workbench-section { margin-top: 55px; padding-top: 30px; }
  .workbench-heading { display: block; margin-bottom: 23px; }
  .workbench-heading h3 { font-size: 40px; }
  .workbench-heading>p { margin-top: 20px; max-width: none; font-size: 14px; }
  .workbench-heading>p br { display: none; }
  .workspace-tabs { gap: 22px; }
  .workspace-tabs button { min-width: 0; flex: 1; padding: 13px 0 17px; }
  .workspace-tabs strong { font-size: 17px; }
  .workspace-tabs button>.mono { font-size: 14px; }
  .stack-board { grid-template-columns: 1fr; gap: 20px; padding-top: 22px; }
  .board-caption { font-size: 14px; }
  .board-caption>span:last-child { display: none; }
  .stack-module { grid-template-columns: 16px 45px 1fr; padding: 15px; min-height: 85px; gap: 4px 12px; }
  .module-glyph { font-size: 31px; }
  .stack-module strong { font-size: 19px; }
  .module-tools { font-size: 14px; }
  .module-detail { min-height: 250px; margin-left: 16px; padding: 15px 0 15px 20px; border-left: 1px solid var(--line-strong); }
  .module-detail-label { margin-bottom: 18px; }
  .module-detail h4 { font-size: 30px; }
  .module-detail p { font-size: 14px; }
  .module-project-link { margin-top: 17px; }
  .toolbox-inventory b { display: block; margin-bottom: 6px; }
  .market-lab { margin-top: 55px; gap: 30px; }
  .market-intro { display: flex; }
  .market-intro h3 { font-size: 55px; margin-bottom: 25px; }
  .market-intro>p:not(.eyebrow) { max-width: none; }
  .market-achievement { margin-top: 30px; padding-top: 22px; gap: 18px; }
  .market-achievement strong { font-size: 34px; }
  .market-achievement>.mono { font-size: 14px; }
  .payoff-lab { padding: 26px 19px; margin: 0 -6px; border-radius: 32px 0 0 0; }
  .payoff-heading>.mono { font-size: 14px; }
  .strategy-switch button { font-size: 14px; }
  .payoff-readout { gap: 17px; align-items: flex-start; }
  .payoff-readout .mono { font-size: 14px; line-height: 1.8; max-width: 150px; }
  #payoff-value { font-size: 42px; }
  .payoff-readout>p { font-size: 14px; max-width: 140px; }
  .plot-labels { font-size: 15px; }
  #strike-label { font-size: 14px; }
  .plot-legend { gap: 13px; font-size: 14px; margin: 15px 0 24px; }
  .plot-legend .chart-hint { display: none; }
  .expiry-control label { font-size: 14px; }
  .price-presets button { font-size: 14px; }
  .payoff-assumptions { grid-template-columns: 1fr; gap: 8px; }
  .payoff-assumptions p { font-size: 14px; }
  .payoff-note { font-size: 14px; }
}
@media (max-width:360px) {
  .workbench-heading h3 { font-size: 35px; }
  .workspace-tabs { gap: 15px; }
  .workspace-tabs strong { font-size: 15px; }
  .stack-module { grid-template-columns: 13px 34px 1fr; padding: 13px 11px; }
  .module-tools { font-size: 14px; }
  .market-intro h3 { font-size: 48px; }
  #payoff-value { font-size: 35px; }
  .payoff-readout>p { max-width: 116px; }
}