/* M02K08 · Dispersion */
.dispersion-chapter{padding-top:74px;padding-bottom:50px}.k08-header{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);gap:34px;align-items:end}.k08-header h2{margin:.12em 0 .22em;font-size:clamp(3.2rem,7vw,6.8rem);line-height:.9;letter-spacing:-.055em}.k08-header h2 em{font-weight:400;color:var(--accent)}.k08-header .lead{max-width:830px}.k08-index{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,color-mix(in srgb,var(--accent-2) 11%,var(--panel)),var(--panel));box-shadow:var(--shadow)}.k08-index>span{display:block;color:var(--accent);font-size:.75rem;text-transform:uppercase;letter-spacing:.13em}.k08-index>strong{display:block;margin:10px 0;font-family:"Cambria Math","STIX Two Math",Georgia,serif;font-size:clamp(1.8rem,3vw,2.7rem);font-weight:500}.k08-index p{margin:0;color:var(--muted);font-size:.88rem}
.dispersion-definition,.dispersion-gaussian-section,.dispersion-interpretation{padding-top:58px;padding-bottom:58px}.dispersion-concept-grid,.dispersion-gaussian-grid,.dispersion-interpret-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.dispersion-concept-card,.dispersion-taylor-card,.dispersion-gaussian-card,.dispersion-interpret-card{padding:23px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel)}.dispersion-concept-card>span,.dispersion-taylor-card>span,.dispersion-gaussian-card>span{color:var(--accent);font-size:.73rem;text-transform:uppercase;letter-spacing:.11em}.dispersion-concept-card strong,.dispersion-taylor-card strong,.dispersion-gaussian-card strong,.dispersion-interpret-card strong{display:block;margin:10px 0 7px}.dispersion-concept-card p,.dispersion-taylor-card p,.dispersion-gaussian-card p,.dispersion-interpret-card p{margin:12px 0 0;color:var(--muted);font-size:.86rem}.dispersion-concept-card .equation,.dispersion-taylor-card .equation,.dispersion-gaussian-card .equation{margin-top:14px}.dispersion-concept-card.key,.dispersion-taylor-card.primary,.dispersion-gaussian-card.primary,.dispersion-interpret-card.key{border-color:color-mix(in srgb,var(--accent) 38%,var(--line));background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 8%,var(--panel)),var(--panel))}
.dispersion-taylor-section{padding:58px 0;background:color-mix(in srgb,var(--panel) 45%,transparent);border-block:1px solid var(--line)}.dispersion-taylor-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:12px}.dispersion-note{margin-top:14px;padding:14px 16px;border:1px dashed var(--line-strong);border-radius:12px;color:var(--muted);font-size:.82rem}.dispersion-note b{color:var(--text)}
.dispersion-lab-section{padding:62px 0;background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 36%,transparent),transparent 24%,transparent 76%,color-mix(in srgb,var(--panel) 32%,transparent));border-block:1px solid var(--line)}.dispersion-lab-shell{display:grid;grid-template-columns:minmax(235px,290px) minmax(0,1fr);gap:16px;align-items:start}.dispersion-controls{position:sticky;top:88px;display:grid;gap:14px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow)}.dispersion-preset-row{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.dispersion-preset-row button{min-height:36px;padding:7px;border:1px solid var(--line);border-radius:9px;background:var(--panel-2);color:var(--muted);font:inherit;font-size:.72rem;cursor:pointer}.dispersion-preset-row button:hover,.dispersion-preset-row button:focus-visible{border-color:var(--accent);color:var(--text)}.dispersion-main{display:grid;gap:12px;min-width:0}.dispersion-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden}.dispersion-panel-head{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line)}.dispersion-panel-head>div>span{display:block;color:var(--muted);font-size:.72rem;text-transform:uppercase;letter-spacing:.1em}.dispersion-panel-head>div>strong{display:block;margin-top:4px}.dispersion-status{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:.74rem}.dispersion-status i{width:8px;height:8px;border-radius:50%;background:var(--accent-3);box-shadow:0 0 12px color-mix(in srgb,var(--accent-3) 70%,transparent)}
.dispersion-packet-svg,.dispersion-curve-svg,.dispersion-sorting-svg{display:block;width:100%;height:auto;background:radial-gradient(circle at 50% 24%,color-mix(in srgb,var(--accent-2) 5%,transparent),transparent 48%)}.dispersion-axis,.dispersion-curve-axis,.dispersion-sort-axis{stroke:var(--line-strong);stroke-width:1}.dispersion-wave{fill:none;stroke:var(--accent);stroke-width:2.2;stroke-linejoin:round;stroke-linecap:round}.dispersion-envelope{fill:none;stroke:var(--accent-3);stroke-width:1.6;stroke-dasharray:7 5}.dispersion-reference{fill:none;stroke:var(--muted);stroke-width:1.25;stroke-dasharray:3 6;opacity:.72}.dispersion-center-line{stroke:var(--warm);stroke-width:1.35;stroke-dasharray:4 5}.dispersion-center-label{fill:var(--warm);font:600 13px/1.2 Inter,system-ui,sans-serif}.dispersion-svg-muted,.dispersion-curve-muted{fill:var(--muted);font:12px/1.2 Inter,system-ui,sans-serif}.dispersion-legend{display:flex;gap:18px;flex-wrap:wrap;padding:10px 16px;border-top:1px solid var(--line);color:var(--muted);font-size:.72rem}.dispersion-legend span{display:flex;align-items:center;gap:7px}.dispersion-legend i{width:22px;height:0;border-top:2px solid}.dispersion-legend i.current{border-color:var(--accent-3);border-top-style:dashed}.dispersion-legend i.reference{border-color:var(--muted);border-top-style:dotted}.dispersion-telemetry{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line)}.dispersion-telemetry>div{padding:13px 11px;border-right:1px solid var(--line);min-width:0}.dispersion-telemetry>div:last-child{border-right:0}.dispersion-telemetry span{display:block;color:var(--muted);font-size:.68rem;line-height:1.25}.dispersion-telemetry strong{display:block;margin-top:5px;font-size:.84rem;font-variant-numeric:tabular-nums;white-space:nowrap}
.dispersion-detail-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:12px}.curve-panel,.sorting-panel{min-width:0}.dispersion-band{fill:color-mix(in srgb,var(--accent-2) 13%,transparent)}.dispersion-tangent-line{fill:none;stroke:var(--warm);stroke-width:2;stroke-dasharray:6 5}.dispersion-curve-line{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.dispersion-kpoint{fill:var(--text);stroke:var(--bg);stroke-width:2}.dispersion-curve-label{fill:var(--text);font:600 13px/1.2 Inter,system-ui,sans-serif}.dispersion-curve-readout{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}.dispersion-curve-readout>div{padding:13px 16px}.dispersion-curve-readout>div+div{border-left:1px solid var(--line)}.dispersion-curve-readout span{display:block;color:var(--muted);font-size:.72rem}.dispersion-curve-readout strong{display:block;margin-top:5px;font-variant-numeric:tabular-nums}.dispersion-sort-origin{stroke:var(--line-strong);stroke-width:1;stroke-dasharray:4 4}.dispersion-sort-low,.dispersion-sort-center,.dispersion-sort-high{stroke:var(--bg);stroke-width:2}.dispersion-sort-low{fill:var(--warm)}.dispersion-sort-center{fill:var(--text)}.dispersion-sort-high{fill:var(--accent-3)}.dispersion-sort-label{font:600 13px/1.2 Inter,system-ui,sans-serif}.dispersion-sort-label.low{fill:var(--warm)}.dispersion-sort-label.center{fill:var(--text)}.dispersion-sort-label.high{fill:var(--accent-3)}.dispersion-sort-readout{padding:13px 16px;border-top:1px solid var(--line);color:var(--muted);font-size:.78rem}
.dispersion-reading-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:18px;align-items:center;padding:21px 22px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,color-mix(in srgb,var(--accent-2) 6%,var(--panel)),var(--panel))}.dispersion-reading-card h3{margin:7px 0 0}.dispersion-reading-card p{grid-column:1/-1;margin:0;color:var(--muted);font-size:.88rem}.dispersion-reading-metrics{display:grid;grid-template-columns:repeat(2,minmax(125px,1fr));border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--panel-2)}.dispersion-reading-metrics>div{padding:11px 13px}.dispersion-reading-metrics>div+div{border-left:1px solid var(--line)}.dispersion-reading-metrics span{display:block;color:var(--muted);font-size:.7rem}.dispersion-reading-metrics strong{display:block;margin-top:4px;font-size:.84rem;font-variant-numeric:tabular-nums}
.dispersion-interpret-card>span{color:var(--accent);font-family:"Cambria Math","STIX Two Math",Georgia,serif;font-size:1.35rem}.dispersion-next{margin-top:10px}
@media(max-width:1120px){.dispersion-lab-shell{grid-template-columns:1fr}.dispersion-controls{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.dispersion-preset-row,.dispersion-controls .lab-actions{align-self:end}.dispersion-telemetry{grid-template-columns:repeat(3,1fr)}.dispersion-telemetry>div:nth-child(3){border-right:0}.dispersion-telemetry>div:nth-child(-n+3){border-bottom:1px solid var(--line)}}
@media(max-width:980px){.k08-header{grid-template-columns:1fr}.k08-index{max-width:680px}.dispersion-concept-grid,.dispersion-gaussian-grid,.dispersion-interpret-grid{grid-template-columns:1fr 1fr}.dispersion-concept-card.key,.dispersion-gaussian-card.primary{grid-column:1/-1}.dispersion-taylor-grid{grid-template-columns:1fr 1fr}.dispersion-taylor-card.primary{grid-column:1/-1}.dispersion-detail-grid{grid-template-columns:1fr}.dispersion-interpret-card:last-child{grid-column:1/-1}}
@media(max-width:680px){.dispersion-chapter{padding-top:56px;padding-bottom:42px}.k08-header h2{font-size:clamp(2.5rem,13vw,4.6rem)}.dispersion-definition,.dispersion-taylor-section,.dispersion-gaussian-section,.dispersion-lab-section,.dispersion-interpretation{padding-top:48px;padding-bottom:52px}.dispersion-concept-grid,.dispersion-taylor-grid,.dispersion-gaussian-grid,.dispersion-interpret-grid{grid-template-columns:1fr}.dispersion-concept-card.key,.dispersion-taylor-card.primary,.dispersion-gaussian-card.primary,.dispersion-interpret-card:last-child{grid-column:auto}.dispersion-controls{grid-template-columns:1fr}.dispersion-telemetry{grid-template-columns:1fr 1fr}.dispersion-telemetry>div{border-bottom:1px solid var(--line)}.dispersion-telemetry>div:nth-child(odd){border-right:1px solid var(--line)}.dispersion-telemetry>div:nth-child(even){border-right:0}.dispersion-telemetry>div:nth-last-child(-n+2){border-bottom:0}.dispersion-panel-head{align-items:flex-start}.dispersion-packet-svg{min-height:270px}.dispersion-center-label{font-size:16px}.dispersion-curve-svg,.dispersion-sorting-svg{min-height:250px}.dispersion-reading-card{grid-template-columns:1fr}.dispersion-reading-card p{grid-column:auto}.dispersion-reading-metrics{width:100%}}
@media(max-width:420px){.dispersion-chapter{padding-top:48px}.dispersion-concept-card,.dispersion-taylor-card,.dispersion-gaussian-card,.dispersion-interpret-card{padding:20px}.dispersion-preset-row{grid-template-columns:1fr}.dispersion-packet-svg{min-height:250px}.dispersion-telemetry>div{padding:11px 9px}.dispersion-telemetry strong{font-size:.78rem}.dispersion-center-label{font-size:34px}.dispersion-svg-muted{font-size:28px}.dispersion-curve-label,.dispersion-sort-label{font-size:24px}.dispersion-curve-muted{font-size:22px}.dispersion-reading-metrics{grid-template-columns:1fr}.dispersion-reading-metrics>div+div{border-left:0;border-top:1px solid var(--line)}}
@media(max-width:360px){.k08-header h2{font-size:2.25rem;overflow-wrap:anywhere}.dispersion-telemetry strong{font-size:.72rem}.dispersion-curve-readout{grid-template-columns:1fr}.dispersion-curve-readout>div+div{border-left:0;border-top:1px solid var(--line)}}