.reflection-hero{scroll-margin-top:calc(var(--header-h) + 24px);display:grid;grid-template-columns:minmax(0,1.45fr) minmax(310px,.78fr);gap:44px;align-items:end;padding-block:86px 72px;border-top:1px solid var(--line)}.reflection-hero-copy{min-width:0}.reflection-hero h2{max-width:930px;margin:10px 0 14px;font-size:clamp(2.7rem,5.5vw,5.5rem);line-height:.96;letter-spacing:-.052em}.reflection-hero h2 em{color:var(--accent);font-style:normal}.reflection-hero p{max-width:850px;color:var(--muted);font-size:1.04rem}.reflection-hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.reflection-hero-card{min-width:0;padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,color-mix(in srgb,var(--accent-2) 7%,var(--panel-solid)),var(--panel));box-shadow:var(--shadow)}.reflection-hero-card>span,.reflection-card>span,.reflection-structure-grid article>span,.reflection-reading>span{display:block;color:var(--accent);font-size:.73rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.reflection-hero-card p{font-size:.9rem}.reflection-equation{display:flex;align-items:center;justify-content:center;min-height:58px;margin:14px 0;padding:11px 14px;border:1px solid var(--line);border-radius:13px;background:color-mix(in srgb,var(--bg) 50%,transparent);font-family:"Cambria Math","STIX Two Math",Georgia,serif;font-size:clamp(1.02rem,2.2vw,1.34rem);letter-spacing:.01em;text-align:center;overflow-wrap:anywhere}.reflection-equation.large{min-height:90px;font-size:clamp(1.18rem,2.55vw,1.85rem)}.reflection-mini-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:17px}.reflection-mini-grid div{min-width:0;padding:10px;border:1px solid var(--line);border-radius:11px;background:var(--panel)}.reflection-mini-grid span,.reflection-metrics span{display:block;color:var(--muted);font-size:.68rem}.reflection-mini-grid strong{display:block;margin-top:3px;font-size:.8rem}
.reflection-derivation{padding-block:70px 80px}.reflection-derivation-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.reflection-card{min-width:0;padding:22px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel)}.reflection-card.primary{background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 8%,var(--panel-solid)),var(--panel))}.reflection-card p{margin:0;color:var(--muted);font-size:.9rem}
.reflection-limits{padding:80px 0;border-block:1px solid var(--line);background:color-mix(in srgb,var(--bg-elevated) 58%,transparent)}.reflection-limit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.reflection-limit-card{min-width:0;padding:23px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.reflection-limit-card.fixed{box-shadow:inset 0 2px 0 color-mix(in srgb,var(--danger) 70%,transparent)}.reflection-limit-card.free{box-shadow:inset 0 2px 0 color-mix(in srgb,var(--accent-3) 70%,transparent)}.reflection-limit-card.matched{box-shadow:inset 0 2px 0 color-mix(in srgb,var(--accent) 70%,transparent)}.reflection-limit-head{display:grid;gap:4px}.reflection-limit-head span{color:var(--muted);font-size:.73rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase}.reflection-limit-head strong{font-size:1.2rem}.reflection-limit-card p{color:var(--muted);font-size:.9rem}.reflection-limit-card small{color:var(--muted);font-weight:700}.reflection-caution{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:start;margin-top:14px;padding:17px 20px;border-left:3px solid var(--warm);border-radius:0 14px 14px 0;background:color-mix(in srgb,var(--warm) 6%,var(--panel))}.reflection-caution strong{white-space:nowrap}.reflection-caution p{margin:0;color:var(--muted)}
.reflection-lab-section{padding-block:88px 96px}.reflection-lab-shell{display:grid;grid-template-columns:304px minmax(0,1fr);gap:14px;align-items:start}.reflection-controls,.reflection-panel{min-width:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:0 16px 50px rgba(0,0,0,.11)}.reflection-controls{position:sticky;top:calc(var(--header-h) + 16px);padding:17px}.reflection-controls label{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);font-size:.82rem;font-weight:700}.reflection-controls label span{min-width:0}.reflection-controls output{font-variant-numeric:tabular-nums;color:var(--accent);font-size:.76rem}.reflection-controls input[type="range"]{grid-column:1/-1;width:100%;margin:1px 0 0;accent-color:var(--accent)}.reflection-preset-set{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin:0 0 2px;padding:0 0 13px;border:0;border-bottom:1px solid var(--line)}.reflection-preset-set legend{grid-column:1/-1;width:100%;margin-bottom:7px;color:var(--muted);font-size:.72rem;font-weight:750}.reflection-preset-set button{min-width:0;padding:9px 5px;border:1px solid var(--line);border-radius:10px;background:var(--panel-solid);color:var(--muted);font-size:.71rem;font-weight:800;cursor:pointer}.reflection-preset-set button.is-active{border-color:color-mix(in srgb,var(--accent) 55%,var(--line));color:var(--text);background:color-mix(in srgb,var(--accent) 10%,var(--panel-solid))}.reflection-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:14px}.reflection-actions .button{min-height:42px;padding-inline:9px;font-size:.76rem}.reflection-lab-note{margin-top:12px;padding:12px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--bg) 44%,transparent)}.reflection-lab-note strong{font-size:.76rem}.reflection-lab-note p{margin:5px 0 0;color:var(--muted);font-size:.72rem;line-height:1.45}.reflection-stage{display:grid;gap:14px;min-width:0}.reflection-panel{overflow:hidden}.reflection-panel-head{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:15px 18px;border-bottom:1px solid var(--line)}.reflection-panel-head>div{min-width:0}.reflection-panel-head span{display:block;color:var(--muted);font-size:.69rem}.reflection-panel-head strong{display:block;margin-top:2px;font-size:.88rem;overflow-wrap:anywhere}.reflection-status{display:flex!important;align-items:center;gap:7px;white-space:nowrap;color:var(--muted);font-size:.74rem}.reflection-status i{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 12%,transparent)}.reflection-status.is-fixed i{background:var(--danger);box-shadow:0 0 0 4px color-mix(in srgb,var(--danger) 12%,transparent)}.reflection-status.is-free i{background:var(--accent-3);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent-3) 12%,transparent)}.reflection-status.is-matched i{background:var(--muted);box-shadow:0 0 0 4px color-mix(in srgb,var(--muted) 12%,transparent)}.reflection-field-svg{width:100%;aspect-ratio:1000/500;min-height:320px;padding:4px 8px}.rf-grid-line{stroke:var(--line);stroke-width:1}.rf-axis{stroke:var(--line-strong);stroke-width:1.4}.rf-boundary{stroke:var(--warm);stroke-width:2.2;stroke-dasharray:8 7}.rf-wave,.rf-envelope{fill:none;stroke-linecap:round;stroke-linejoin:round}.rf-wave.incident{stroke:var(--accent);stroke-width:2.2;opacity:.74}.rf-wave.reflected{stroke:var(--warm);stroke-width:2.2;opacity:.76}.rf-wave.total{stroke:var(--text);stroke-width:4}.rf-envelope{stroke:var(--accent-3);stroke-width:1.7;stroke-dasharray:7 6;opacity:.75}.rf-boundary-dot{fill:var(--panel-solid);stroke:var(--text);stroke-width:3}.rf-direction{stroke-width:2.6}.rf-direction.incident{stroke:var(--accent)}.rf-direction.reflected{stroke:var(--warm)}#rf-arrow-accent path,#rf-phasor-a path{fill:var(--accent)}#rf-arrow-warm path,#rf-phasor-b path{fill:var(--warm)}#rf-phasor-c path{fill:var(--accent-3)}.rf-svg-label,.rf-phasor-label{fill:var(--muted);font-size:15px;font-weight:700}.rf-svg-label.boundary-label{fill:var(--warm)}.reflection-field-legend{display:flex;flex-wrap:wrap;gap:14px;padding:0 18px 16px;color:var(--muted);font-size:.73rem}.reflection-field-legend span{display:flex;align-items:center;gap:6px}.reflection-field-legend i{width:20px;height:3px;border-radius:3px;background:var(--text)}.reflection-field-legend .incident i{background:var(--accent)}.reflection-field-legend .reflected i{background:var(--warm)}.reflection-field-legend .envelope i{background:var(--accent-3)}.reflection-detail-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:14px}.reflection-phasor-svg{width:100%;aspect-ratio:520/430;min-height:320px}.rf-phasor-circle{fill:none;stroke:var(--line);stroke-width:1.4;stroke-dasharray:5 7}.rf-phasor-axis{stroke:var(--line);stroke-width:1.2}.rf-phasor-vector{stroke-width:4;stroke-linecap:round}.rf-phasor-vector.incident{stroke:var(--accent)}.rf-phasor-vector.reflected{stroke:var(--warm)}.rf-phasor-vector.sum{stroke:var(--accent-3);stroke-width:3}.rf-phasor-label.incident{fill:var(--accent)}.rf-phasor-label.reflected{fill:var(--warm)}.rf-phasor-label.sum{fill:var(--accent-3)}.reflection-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;padding:16px 18px 10px}.reflection-metrics div{min-width:0;padding:10px;border:1px solid var(--line);border-radius:11px;background:color-mix(in srgb,var(--bg) 45%,transparent)}.reflection-metrics strong{display:block;margin-top:3px;font-size:.82rem;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.reflection-residuals{display:grid;gap:8px;padding:4px 18px 10px}.reflection-residuals article{display:grid;grid-template-columns:125px minmax(0,1fr) 76px;gap:8px;align-items:center}.reflection-residuals span,.reflection-residuals strong{font-size:.7rem}.reflection-residuals strong{text-align:right;font-variant-numeric:tabular-nums}.reflection-residual-track{height:7px;border-radius:999px;background:var(--line);overflow:hidden}.reflection-residual-track i{display:block;height:100%;width:0;border-radius:inherit;background:var(--danger);transition:width .12s ease}.reflection-reading{margin:6px 18px 18px;padding:14px;border:1px solid var(--line);border-radius:13px;background:linear-gradient(135deg,color-mix(in srgb,var(--accent-2) 6%,var(--panel-solid)),var(--panel))}.reflection-reading h3{margin:5px 0;font-size:1rem}.reflection-reading p{margin:0;color:var(--muted);font-size:.8rem}
.reflection-structure{padding:82px 0;border-block:1px solid var(--line);background:color-mix(in srgb,var(--bg-elevated) 52%,transparent)}.reflection-structure-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.reflection-structure-grid article{min-width:0;padding:20px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel)}.reflection-structure-grid p{margin:0;color:var(--muted);font-size:.86rem}.reflection-takeaways{padding-block:82px 44px}.reflection-cross-reference{margin:18px 0 0;padding:16px 18px;border:1px solid var(--line);border-radius:14px;color:var(--muted);font-size:.86rem}.reflection-cross-reference a{color:var(--text);font-weight:700}.reflection-next{scroll-margin-top:calc(var(--header-h) + 24px);display:flex;justify-content:space-between;align-items:center;gap:30px;margin-top:30px;padding-block:42px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.reflection-next h2{margin:6px 0 8px;font-size:clamp(2rem,4vw,3.4rem)}.reflection-next p{max-width:760px;margin:0;color:var(--muted)}
@media(max-width:980px){.reflection-hero{grid-template-columns:1fr}.reflection-hero-card{max-width:760px}.reflection-lab-shell{grid-template-columns:1fr}.reflection-controls{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}.reflection-preset-set,.reflection-actions,.reflection-lab-note{grid-column:1/-1}.reflection-detail-grid{grid-template-columns:1fr}.reflection-structure-grid{grid-template-columns:1fr}.reflection-limit-grid,.reflection-derivation-grid{grid-template-columns:1fr 1fr}.reflection-limit-card:last-child,.reflection-card:last-child{grid-column:1/-1}}
@media(max-width:720px){.reflection-hero{padding-top:68px;gap:24px}.reflection-hero h2{font-size:clamp(2.35rem,11vw,4.3rem)}.reflection-mini-grid,.reflection-limit-grid,.reflection-derivation-grid{grid-template-columns:1fr}.reflection-limit-card:last-child,.reflection-card:last-child{grid-column:auto}.reflection-caution{grid-template-columns:1fr;gap:4px}.reflection-caution strong{white-space:normal}.reflection-controls{grid-template-columns:1fr}.reflection-preset-set,.reflection-actions,.reflection-lab-note{grid-column:auto}.reflection-field-svg{min-height:270px}.reflection-phasor-svg{min-height:280px}.reflection-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.reflection-lab-section{padding-block:70px}.reflection-structure{padding-block:68px}}
@media(max-width:460px){.reflection-hero-actions{display:grid}.reflection-hero-actions .button{width:100%}.reflection-mini-grid{grid-template-columns:1fr 1fr}.reflection-preset-set{grid-template-columns:1fr 1fr}.reflection-actions{grid-template-columns:1fr}.reflection-panel-head{align-items:flex-start;gap:10px}.reflection-status{white-space:normal}.reflection-metrics{grid-template-columns:1fr}.reflection-field-svg{min-height:235px;padding-inline:0}.reflection-phasor-svg{min-height:250px}.reflection-residuals article{grid-template-columns:1fr}.reflection-residuals strong{text-align:left}.reflection-next .next-arrow{display:none}}