/* Options Intelligence: chart-led research, with explicit observation / scenario boundaries. */
main.od{background:var(--ov-bg)!important}
.od{--od-call:#00786c;--od-put:#b04457;--ov-positive:#006c60;--ov-negative:#b13b54}
.od[data-theme="light"]{--ov-positive:#006c60;--ov-negative:#b13b54}
.od .od-chart .od-svg-grid{stroke:var(--od-line)}
.od .od-chart .od-svg-zero{stroke:var(--od-muted);stroke-dasharray:3 4}
.od-chart-tooltip{background:#102331!important;color:#eef7fb!important}
.ov-signal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.od .ov-signal{display:flex;flex-direction:column;gap:8px;min-width:0;background:var(--ov-card);border:1px solid var(--od-line);border-radius:6px;padding:20px;color:var(--od-ink);text-decoration:none}.ov-signal:hover{border-color:var(--od-call)!important}.ov-signal>div{display:flex;align-items:center;justify-content:space-between;gap:10px}.ov-signal strong{font-size:20px}.ov-signal>div>span{font-size:10px;color:var(--od-call)}.ov-signal p{color:var(--od-muted);font-size:11px}.ov-signal b{font-size:13px;font-weight:550}.ov-signal small{font-size:11px;color:var(--od-muted)}.ov-signal .ov-signal-link{font-size:11px;color:var(--od-blue);margin-top:auto;padding-top:8px}
@media(max-width:800px){.ov-signal-grid{grid-template-columns:1fr 1fr}}
@media(max-width:500px){.ov-signal-grid{grid-template-columns:1fr}.od .ov-signal{padding:16px}}
@media(min-width:1200px){.od [aria-labelledby="market-overview-title"] .od-chart-grid{grid-template-columns:1fr 1.15fr 1.2fr;align-items:stretch}}
.od{--ov-bg:#f7f9fc;--ov-card:#fff;--ov-gold:#a66c18;--ov-positive:#007d6f;--ov-negative:#bc455d;max-width:1920px;background:var(--ov-bg);padding:20px clamp(16px,2.5vw,48px) 48px;--od-chart-font:12px;--od-body:15px;--od-table:14px;--od-small:12px;--od-micro:11px;--od-blue:#315f94}
.od[data-theme="dark"]{--ov-bg:#0c1822;--ov-card:#112430;--od-ink:#e2ecf3;--od-muted:#a4b7c5;--od-line:#2a414f;--od-soft:#142b39;--od-call:#4ccebb;--od-put:#f08496;--od-blue:#91baff;--ov-gold:#e5b86a;--ov-positive:#4ccebb;--ov-negative:#f08496;color-scheme:dark}
.ov-topline{display:flex;align-items:center;justify-content:space-between;color:var(--od-muted);font-size:10px;letter-spacing:.13em;margin-bottom:12px}
.od .od-masthead{border-bottom:1px solid var(--od-line);padding-bottom:20px;gap:20px}.od h1{font-size:clamp(28px,2.4vw,40px);margin:5px 0 8px}.od h2{font-size:clamp(24px,2vw,32px)}.od h3{font-size:18px}
.od .od-nav{gap:clamp(12px,1.6vw,28px);flex-wrap:wrap}.od .od-nav>a,.od .od-more>summary{font-size:13px;padding:14px 0}.od .od-more>div{background:var(--ov-card)}
.od .od-section{padding:32px 0;margin:0;border-bottom:1px solid var(--od-line)}.od .od-section-head{margin-bottom:20px}.od .od-eyebrow{font-size:10px;letter-spacing:.15em;color:var(--od-call);margin-bottom:8px}.od .od-caption{font-size:12px}.od .od-footnote{font-size:12px}
.od button,.od input,.od select{font:inherit}.od input,.od select{color:var(--od-ink);background:var(--ov-card);border:1px solid var(--od-line)}
.od .od-button-secondary,.od .od-table tbody tr:hover,.od .od-filters input,.od .od-filters select{background:var(--ov-card);color:var(--od-ink)}
.ov-button{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:7px 12px;border:1px solid var(--od-line);border-radius:5px;background:var(--ov-card);color:var(--od-ink);font-size:12px!important;font-weight:600;cursor:pointer;letter-spacing:0}
.od .ov-primary{background:var(--od-call);color:var(--ov-card);border-color:var(--od-call)}.ov-button:hover{border-color:var(--od-call)}
.ov-overview{display:grid;grid-template-columns:1fr 1.25fr;align-items:center;gap:44px;margin:24px 0;padding:36px;border-radius:8px;color:#c5d6e0;background:radial-gradient(ellipse at 75% 100%,#164447 0,transparent 60%),#102331}
.ov-kicker{font-size:10px;letter-spacing:.13em;color:#66d1bf}.od .ov-overview h2{color:#f0f7fb;font-size:clamp(32px,3vw,48px);font-weight:550;line-height:1.12;margin:16px 0}.ov-overview p{font-size:14px;max-width:560px;line-height:1.7}.ov-hero-links{display:flex;flex-wrap:wrap;gap:24px;margin-top:24px}.od .ov-hero-links a{font-weight:600;font-size:13px;color:#88e0ce}
.ov-overview-art{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.ov-overview-art>a{display:flex;flex-direction:column;gap:14px;border:1px solid #49616b;border-radius:6px;padding:20px 16px;min-width:0;background:#17333c99}.od .ov-overview-art a{color:#79d5c2;text-decoration:none}.ov-overview-art a:hover{background:#214651}.ov-overview-art a:nth-child(2){color:#99bdff}.ov-overview-art a:nth-child(3){color:#ecc681}.ov-overview-art span{font-size:9px;letter-spacing:.11em}.ov-overview-art strong{color:#eef5f9;font-size:17px;line-height:1.4}.ov-overview-art small{color:#c3d3de;font-size:11px}.ov-overview-art svg{width:100%;height:76px}.ov-art-bars{height:76px;display:flex;align-items:end;gap:5px;padding:10px 0}.ov-art-bars i{width:12%;background:currentColor;opacity:.8;height:35%}.ov-art-bars i:nth-child(2n){height:65%;opacity:.45}.ov-art-bars i:nth-child(3n){height:95%;opacity:.95}.ov-art-bars i:nth-child(5n){height:50%}
.ov-chapters{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.ov-chapters a{padding:7px 12px;border-radius:30px;border:1px solid var(--od-line);background:var(--ov-card);font-size:12px;color:var(--od-ink)}
.ov-freshness{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:11px;color:var(--od-muted);padding:12px 0 20px}.ov-freshness>div{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.ov-freshness strong{color:var(--od-ink);font-weight:550}.ov-live-dot{height:6px;width:6px;border-radius:50%;background:var(--od-call);display:inline-block}.ov-stale{background:var(--ov-gold)}
.ov-insights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:24px}.ov-insight{border-left:2px solid var(--od-call);padding:16px 20px;background:var(--ov-card);border-radius:0 6px 6px 0}.ov-insight>span{font-size:12px;color:var(--od-muted)}.ov-insight>strong{display:block;font-size:32px;letter-spacing:-.03em;color:var(--od-call);margin:8px 0}.ov-insight.ov-blue{border-color:var(--od-blue)}.ov-insight.ov-blue>strong{color:var(--od-blue)}.ov-insight.ov-gold{border-color:var(--ov-gold)}.ov-insight.ov-gold>strong{color:var(--ov-gold)}.ov-insight p{font-size:12px;line-height:1.7;color:var(--od-muted)}
.ov-research-grid,.od .od-chart-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.ov-chart-card,.od .od-figure{background:var(--ov-card);border:1px solid var(--od-line);border-radius:7px;overflow:hidden;padding:20px;min-width:0}.ov-chart-card figcaption p,.od .od-figure figcaption p{font-size:12px;color:var(--od-muted);margin-top:8px;line-height:1.6}.ov-plot{width:100%;min-width:0}.ov-plot>svg{display:block;width:100%;height:auto}.ov-plot text{fill:var(--od-muted);font:11px Arial,Helvetica,sans-serif}.ov-plot .ov-axis{stroke:var(--od-line);stroke-width:1}.ov-plot .ov-zero{stroke:var(--od-muted);stroke-dasharray:4 4}.ov-plot .ov-data-label{fill:var(--od-ink);font-weight:600}.ov-plot [data-tip]{cursor:crosshair}.ov-plot [data-tip]:hover,.ov-plot [data-tip]:focus-visible{filter:brightness(1.2);outline:2px solid var(--od-blue);outline-offset:2px}
.ov-takeaway{font-size:12px!important;color:var(--od-muted);line-height:1.7;margin-top:14px!important;padding-top:12px;border-top:1px solid var(--od-line)}.ov-chart-controls{display:flex;flex-wrap:wrap;gap:14px;padding:14px 0 4px}.ov-chart-controls label{display:flex;align-items:center;gap:8px;color:var(--od-muted);font-size:11px}.ov-chart-controls select{padding:5px 8px;border-radius:4px;font-size:11px}
.ov-paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.ov-paths article{padding:24px;background:var(--ov-card);border:1px solid var(--od-line);border-radius:7px;display:flex;flex-direction:column;align-items:start;gap:12px}.ov-paths p,.ov-paths li{font-size:13px;line-height:1.7;color:var(--od-muted)}.ov-paths ul{padding-left:16px;margin:0}.ov-paths a{margin-top:auto;padding-top:12px;font-size:12px;font-weight:600}.ov-path-icon{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--od-line);border-radius:50%;color:var(--od-call);font-size:22px}.ov-paths article:nth-child(2) .ov-path-icon{color:var(--ov-gold)}.ov-paths article:nth-child(3) .ov-path-icon{color:var(--od-put)}
.ov-badge{padding:5px 9px;border:1px solid var(--od-line);border-radius:30px;color:var(--od-call);font-size:11px}.ov-intro{color:var(--od-muted);max-width:800px;font-size:14px;line-height:1.7;margin-bottom:22px!important}.ov-lab-layout{display:grid;grid-template-columns:290px minmax(0,1fr);border:1px solid var(--od-line);border-radius:8px;background:var(--ov-card);overflow:hidden}.ov-controls{padding:22px;background:var(--od-soft);border-right:1px solid var(--od-line);display:flex;flex-direction:column;gap:16px}.ov-controls label{display:flex;flex-direction:column;gap:6px;color:var(--od-muted);font-size:11px;font-weight:550}.ov-controls input,.ov-controls select{width:100%;min-width:0;padding:9px 8px;border-radius:4px;font-size:13px;height:38px}.ov-controls select{font-size:12px}.ov-controls input:disabled{opacity:.65}.ov-input-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.ov-strategy-copy strong{font-size:12px;color:var(--od-call)}.ov-strategy-copy p{font-size:12px;line-height:1.65;color:var(--od-muted);margin-top:7px}.ov-assumptions{font-size:11px;color:var(--od-muted)}.ov-assumptions summary{cursor:pointer;font-weight:600;padding-bottom:10px}.ov-assumptions p{line-height:1.65;margin-top:10px}.ov-lab-main{min-width:0;padding:22px}.ov-lab-status{font-size:11px;color:var(--od-muted);margin-bottom:14px;min-height:18px}.ov-lab-status.is-error{color:var(--od-put);padding:12px;background:var(--od-soft);border-left:2px solid var(--od-put)}
.ov-tabs{display:flex;gap:18px;border-bottom:1px solid var(--od-line);margin-bottom:20px}.ov-tabs button{appearance:none;border:0;border-bottom:2px solid transparent;border-radius:0;background:none;padding:10px 0;color:var(--od-muted);font-size:12px;font-weight:600;cursor:pointer}.ov-tabs button[aria-selected="true"]{color:var(--od-call);border-bottom-color:var(--od-call)}.ov-stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:12px}.ov-stat-grid>div{border-right:1px solid var(--od-line);padding-right:8px}.ov-stat-grid>div:last-child{border:0}.ov-stat-grid span{font-size:10px;color:var(--od-muted);display:block}.ov-stat-grid strong{display:block;font-size:clamp(17px,1.5vw,24px);font-weight:550;margin:6px 0;overflow-wrap:anywhere}.ov-stat-grid small{font-size:10px;color:var(--od-muted)}.ov-profit{color:var(--ov-positive)}.ov-loss{color:var(--ov-negative)}
.ov-scrub{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:6px 24px;padding:12px 16px;background:var(--od-soft);border-radius:5px}.ov-scrub label{font-size:12px;color:var(--od-muted)}.ov-scrub label strong{color:var(--od-ink);margin-left:8px}.ov-scrub input{width:100%;accent-color:var(--od-call);cursor:ew-resize;grid-column:2;grid-row:1/3}.ov-scrub p{font-size:13px;font-weight:600}.ov-model-note{color:var(--od-muted);font-size:11px;line-height:1.65;margin-top:18px!important}.ov-panel-intro h3{margin-bottom:8px}.ov-panel-intro p{font-size:12px;line-height:1.7;color:var(--od-muted)}.ov-vol-control{display:flex;align-items:center;gap:12px;font-size:12px;margin:20px 0;flex-wrap:wrap}.ov-vol-control output{color:var(--od-call);font-weight:600}.ov-vol-control input{accent-color:var(--od-call);flex:1;min-width:80px}.ov-matrix{width:100%;table-layout:fixed;border-collapse:separate;border-spacing:3px;font-size:11px;text-align:center}.ov-matrix th{font-size:10px;font-weight:500;color:var(--od-muted);padding:8px 1px}.ov-matrix td{height:42px;padding:6px 1px;border-radius:3px;line-height:1.4}.ov-matrix .ov-win{color:var(--ov-positive);background:color-mix(in srgb,var(--ov-positive) 12%,var(--ov-card))}.ov-matrix .ov-lose{color:var(--ov-negative);background:color-mix(in srgb,var(--ov-negative) 12%,var(--ov-card))}.ov-matrix caption{caption-side:bottom;text-align:left;font-size:11px;color:var(--od-muted);padding:12px 0}
.ov-greek-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:20px 0}.ov-greek-grid article{border:1px solid var(--od-line);padding:14px 12px;border-radius:5px}.ov-greek-grid h4{font-size:13px;color:var(--od-ink);margin:0}.ov-greek-grid strong{display:block;font-size:21px;color:var(--od-call);margin:8px 0}.ov-greek-grid p{font-size:11px;color:var(--od-muted);line-height:1.7}
.ov-leg-editor{margin-top:16px;border:1px solid var(--od-line);border-radius:7px;background:var(--ov-card);padding:20px}.ov-leg-editor .od-section-head{margin-bottom:14px}.ov-legs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.ov-leg{display:flex;flex-direction:column;gap:8px;border-left:2px solid var(--od-call);padding:6px 14px;background:var(--od-soft);border-radius:0 4px 4px 0}.ov-leg.is-sell{border-color:var(--od-put)}.ov-leg strong{font-size:12px}.ov-leg label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px;color:var(--od-muted)}.ov-leg input{width:100px;max-width:65%;padding:6px;border-radius:3px;font-size:12px}.ov-stock-leg{font-size:12px;padding:8px 0 16px;color:var(--od-muted)}
.ov-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:start}.ov-guide details{background:var(--ov-card);border:1px solid var(--od-line);border-radius:6px;padding:18px 20px}.ov-guide summary{cursor:pointer;font-size:14px;font-weight:600;list-style:none}.ov-guide summary::after{content:'+';float:right;color:var(--od-muted);margin-left:10px}.ov-guide details[open] summary::after{content:'−'}.ov-topic{color:var(--od-call);font-size:11px;margin-right:12px}.ov-guide details p{font-size:13px;line-height:1.8;color:var(--od-muted);margin-top:16px}.ov-mini-flow{display:flex;gap:10px;flex-wrap:wrap;align-items:center;padding:18px 0 0;font-size:11px;color:var(--od-call)}.ov-mini-flow span,.ov-mini-flow strong{padding:8px;border:1px solid var(--od-line);border-radius:4px}.ov-source{font-size:11px;color:var(--od-muted);margin-top:20px!important}.ov-chart-values{font-size:11px;color:var(--od-muted);margin:8px 0}.ov-chart-values summary{cursor:pointer;padding:4px 0}.ov-chart-values table{width:100%;border-collapse:collapse}.ov-chart-values td,.ov-chart-values th{text-align:left;padding:7px;border-bottom:1px solid var(--od-line)}.ov-tooltip{position:fixed;z-index:99999;background:#e6eff4;color:#102331;border:1px solid #b8cbd5;padding:10px 12px;border-radius:5px;font-size:12px;max-width:280px;pointer-events:none;box-shadow:0 4px 20px #0002}.ov-tooltip[hidden]{display:none}
.od .od-chart-grid-main{grid-template-columns:1.15fr 1fr}.od .od-chart-grid-main>div{display:flex;flex-direction:column;gap:20px}.od .od-reading{margin-top:18px}.od .od-metrics{background:var(--ov-card);border:1px solid var(--od-line);border-radius:6px}.od[data-theme="dark"] .od-table tbody tr:nth-child(even){background:var(--od-soft)}.od[data-theme="dark"] .od-table-scroll,.od[data-theme="dark"] .od-chart-table{background:transparent}.od .od-chart-tooltip{background:#102331;color:#eef7fb}
@media(min-width:1600px){.ov-lab-layout{grid-template-columns:320px minmax(0,1fr)}.ov-lab-main{padding:28px}.ov-payoff>svg{max-height:440px}}
@media(max-width:1100px){.ov-overview{grid-template-columns:1fr;gap:26px}.ov-overview h2 br{display:none}.ov-overview-art>a{gap:10px}.ov-greek-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ov-legs{grid-template-columns:repeat(2,minmax(0,1fr))}.ov-insights{gap:10px}.ov-insight{padding:14px}.ov-paths{gap:12px}.ov-paths article{padding:18px}}
@media(max-width:800px){.ov-research-grid,.od .od-chart-grid,.od .od-chart-grid-main{grid-template-columns:1fr}.ov-insights{grid-template-columns:1fr}.ov-insight{display:grid;grid-template-columns:1fr auto;gap:6px 20px}.ov-insight>strong{grid-column:2;grid-row:1/3;margin:0;font-size:26px}.ov-insight p{grid-column:1}.ov-lab-layout{grid-template-columns:1fr}.ov-controls{border-right:0;border-bottom:1px solid var(--od-line);display:grid;grid-template-columns:1fr 1fr;gap:14px}.ov-controls>.ov-input-grid,.ov-controls>.ov-assumptions{grid-column:1/-1}.ov-controls>.ov-input-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.ov-strategy-copy{grid-column:1/-1;grid-row:2}.ov-controls>.ov-button{align-self:end}.ov-lab-main{padding:16px}.ov-paths{grid-template-columns:1fr}.ov-paths article{display:grid;grid-template-columns:38px 1fr;gap:8px 16px}.ov-path-icon{grid-row:1/4}.ov-paths article>*:not(.ov-path-icon){grid-column:2}.ov-paths article .od-eyebrow{margin:0}.ov-guide-grid{grid-template-columns:1fr}.od .od-section-head{gap:12px;flex-wrap:wrap}.ov-chart-card,.od .od-figure{padding:16px}.od .od-nav{gap:8px 20px}.od .od-more{margin-left:0}.ov-chapters{gap:6px}.ov-chapters a{font-size:11px;padding:6px 9px}}
@media(max-width:500px){.od{padding:14px 12px 32px}.ov-overview{padding:24px 18px}.ov-overview-art{gap:6px}.ov-overview-art>a{padding:12px 8px}.ov-overview-art strong{font-size:13px}.ov-overview-art small{font-size:10px}.ov-overview-art span{font-size:8px;letter-spacing:0}.ov-overview-art svg,.ov-art-bars{height:55px}.ov-insight p{font-size:11px}.ov-insight>strong{font-size:23px}.ov-controls{padding:16px}.ov-controls>.ov-input-grid{grid-template-columns:1fr 1fr}.ov-stat-grid{grid-template-columns:1fr 1fr;gap:14px}.ov-stat-grid>div:nth-child(2){border:0}.ov-tabs{gap:14px}.ov-tabs button{font-size:11px}.ov-leg-editor{padding:14px}.ov-legs{grid-template-columns:1fr 1fr;gap:8px}.ov-leg{padding:8px}.ov-scrub{grid-template-columns:1fr;padding:12px}.ov-scrub input{grid-column:1;grid-row:2}.ov-matrix{font-size:9px;border-spacing:2px}.ov-matrix th{font-size:9px}.ov-matrix td{padding:4px 0}.ov-lab-main{padding:12px}.ov-plot text{font-size:10px}.ov-leg input{font-size:11px}.ov-greek-grid{gap:8px}.ov-greek-grid article{padding:12px}.ov-model-note{font-size:10px}}
@media(prefers-reduced-motion:reduce){.od *{scroll-behavior:auto!important;transition:none!important}}
@media(max-width:400px){.ov-legs{grid-template-columns:1fr}}
.ov-controls input:invalid,.ov-leg input:invalid{border-color:var(--od-put);box-shadow:0 0 0 1px var(--od-put)}
.ov-chapters{position:sticky;top:0;z-index:5;background:var(--ov-bg);padding:10px 0;border-bottom:1px solid var(--od-line)}
.od [id]{scroll-margin-top:110px}
.od .od-metrics dd small{display:block;font-weight:400;letter-spacing:normal}
.od a,.od button,.od input,.od select{transition:none}
.od[data-theme="dark"] .od-button:not(.od-button-secondary){background:var(--od-blue);color:var(--ov-bg)!important}