.cnf-figure { min-width: 0; margin: 34px 0; padding: 24px 0; border-block: 1px solid var(--line); color: var(--body); }
.cnf-figure figcaption h3 { margin: 8px 0 10px; font-size: 19px; line-height: 1.6; }
.cnf-figure figcaption h3[id] { scroll-margin-top: 120px; }
.cnf-figure figcaption p { margin: 0; font-size: 13px; line-height: 1.85; }
.cnf-legend { display: flex; flex-wrap: wrap; gap: 6px 20px; margin: 18px 0 5px; font-size: 11px; color: var(--muted); }
.cnf-legend span { display: inline-flex; align-items: center; gap: 7px; }
.cnf-legend i { display: inline-block; width: 20px; height: 0; border-top: 2px solid var(--blue); }
.cnf-legend .reference { border-top: 2px dashed var(--muted); }
.cnf-legend .dot { height: 7px; width: 7px; margin-inline: 6px; border: 0; border-radius: 50%; background: var(--blue); }
.cnf-legend .fill { height: 10px; border: 0; background: var(--blue); opacity: .25; }
.cnf-legend .boundary { border-top: 2px dashed var(--ink); }
.cnf-chart { display: block; width: 100%; max-width: 100%; height: auto; margin: 15px 0 12px; overflow: visible; }
.cnf-chart .cnf-grid { stroke: var(--line); stroke-width: 1; fill: none; }
.cnf-chart .cnf-axis { stroke: var(--muted); stroke-width: 1; fill: none; }
.cnf-ticks { fill: var(--muted); font-family: var(--mono); font-size: 13px; }
.cnf-area { fill: var(--blue); fill-opacity: .07; }
.cnf-curve { stroke: var(--blue); stroke-width: 2.5; fill: none; }
.cnf-reference { stroke: var(--muted); stroke-width: 1.7; stroke-dasharray: 5 5; fill: none; }
.cnf-mean { stroke: var(--blue); stroke-width: 1.4; stroke-dasharray: 3 5; opacity: .75; }
.cnf-particle-track { stroke: var(--line); stroke-width: 1; }
.cnf-particle-trail { stroke: var(--blue); stroke-width: 2; }
.cnf-particle-origin { fill: var(--surface); stroke: var(--muted); stroke-width: 1.5; }
.cnf-particle, .cnf-loss-point { fill: var(--blue); stroke: var(--paper); stroke-width: 2; }
.cnf-interval { fill: var(--blue); fill-opacity: .23; }
.cnf-boundary { stroke: var(--ink); stroke-width: 1.2; stroke-dasharray: 4 4; }
.cnf-flux-arrow { stroke: var(--ink); stroke-width: 1.5; fill: none; stroke-linejoin: round; }
.cnf-boundary-label { fill: var(--ink); font-family: var(--mono); font-size: 13px; }
.cnf-controls { display: flex; align-items: center; gap: 16px; margin: 12px 0; font-size: 12px; }
.cnf-controls label { white-space: nowrap; color: var(--ink); }
.cnf-controls input { display: block; min-width: 0; width: 100%; height: 40px; accent-color: var(--blue); cursor: ew-resize; }
.cnf-controls input:disabled { cursor: default; }
.cnf-controls output { flex: 0 0 46px; color: var(--blue); text-align: right; font: 13px var(--mono); }
.cnf-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; border-block: 1px solid var(--line); padding: 15px 0; margin: 14px 0; }
.cnf-metrics div { min-width: 0; }
.cnf-metrics dt { color: var(--muted); font-size: 10px; }
.cnf-metrics dd { margin: 8px 0 0; color: var(--blue); font: 19px var(--mono); }
.cnf-figure .cnf-state { margin: 14px 0 10px; color: var(--body); font-size: 12px; line-height: 1.9; }
.cnf-figure .cnf-note { margin: 10px 0 0; color: var(--muted); font-size: 11px; line-height: 1.85; }
.cnf-no-script { color: var(--muted); font-size: 11px; }
.cnf-balance { display: grid; grid-template-columns: minmax(0,1fr) 16px minmax(0,1fr) 16px minmax(0,1fr); gap: 8px; align-items: center; padding: 17px 0; border-block: 1px solid var(--line); }
.cnf-balance span { color: var(--muted); font-size: 10px; text-align: center; }
.cnf-balance b { display: block; margin-top: 7px; color: var(--blue); font: 20px var(--mono); }
.cnf-balance i { color: var(--muted); font-size: 16px; font-style: normal; text-align: center; }
.cnf-figure .cnf-mass { margin: 15px 0 0; font-size: 13px; }
.cnf-mass strong { color: var(--blue); font-family: var(--mono); font-weight: 500; }
.cnf-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin: 12px 0 26px; }
.cnf-actions button { min-height: 42px; padding: 8px 14px; border: 1px solid var(--blue); border-radius: 0; color: var(--blue); background: var(--wash); font-size: 12px; transition: background 150ms, color 150ms; }
.cnf-actions button:not(:disabled):hover { color: var(--surface); background: var(--blue); }
.cnf-actions button:disabled { cursor: default; opacity: .55; }
.cnf-actions .cnf-reset { background: transparent; border-color: var(--line); color: var(--body); }
.cnf-actions span { margin-left: auto; color: var(--muted); font-size: 10px; }
.cnf-figure .cnf-chart-heading { margin: 20px 0 0; font-size: 11px; color: var(--muted); }
.cnf-loss-chart { margin-top: 13px; }
.cnf-optimum { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 4; }
.cnf-optimum-label { fill: var(--muted); font-size: 12px; font-family: var(--sans); }
.cnf-training-metrics { grid-template-columns: repeat(3, minmax(0,1fr)); }
.cnf-training-panels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; margin-top: 22px; }
.cnf-training-panel { min-width: 0; }
.cnf-training-panel-head { min-height: 76px; }
.cnf-training-panel h4 { margin: 0; color: var(--ink); font-size: 13px; font-weight: 600; line-height: 1.65; }
.cnf-training-panel .cnf-legend { gap: 5px 14px; margin: 9px 0 0; font-size: 10px; }
.cnf-training-panel .cnf-chart { margin: 12px 0 8px; overflow: hidden; }
.cnf-training-panel .cnf-ticks { font-size: 17px; }
.cnf-training-panel .cnf-optimum-label { font-size: 16px; }
@media (max-width: 700px) {
  .cnf-training-panels { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .cnf-training-panel-head { min-height: 0; }
  .cnf-training-panel + .cnf-training-panel { border-top: 1px solid var(--line); padding-top: 20px; }
  .cnf-training-panel .cnf-ticks { font-size: 15px; }
  .cnf-training-panel .cnf-optimum-label { font-size: 14px; }
}
@media (max-width: 500px) {
  .cnf-figure { padding-block: 20px; margin-block: 28px; }
  .cnf-figure figcaption h3 { font-size: 17px; }
  .cnf-figure figcaption p { font-size: 12px; }
  .cnf-legend { gap: 5px 13px; font-size: 10px; }
  .cnf-ticks, .cnf-boundary-label { font-size: 15px; }
  .cnf-optimum-label { font-size: 14px; }
  .cnf-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 18px; }
  .cnf-metrics dt, .cnf-balance span { font-size: 10px; }
  .cnf-metrics dd { font-size: 18px; }
  .cnf-controls { gap: 11px; }
  .cnf-balance { gap: 3px; grid-template-columns: minmax(0,1fr) 10px minmax(0,1fr) 10px minmax(0,1fr); }
  .cnf-balance b { font-size: 16px; }
  .cnf-actions { gap: 8px; }
  .cnf-actions button { padding-inline: 11px; }
  .cnf-actions span { width: 100%; margin-left: 0; }
  .cnf-training-metrics { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 8px; }
  .cnf-training-metrics dd { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) { .cnf-actions button { transition: none; } }
@media print { .cnf-controls, .cnf-actions { display: none; } .cnf-figure { break-inside: avoid; } }
.cnf-continuity { --outflow: #ad642d; container-type: inline-size; }
.cnf-continuity-panels { display: grid; grid-template-columns: minmax(0, 1fr); margin-top: 20px; }
.cnf-continuity-visual, .cnf-continuity-detail { min-width: 0; }
@container (min-width: 680px) {
  .cnf-continuity-panels { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 28px; align-items: start; }
  .cnf-continuity-visual { position: sticky; top: 108px; }
  .cnf-continuity-visual .cnf-legend { margin-top: 0; gap: 6px 12px; font-size: 10px; }
  .cnf-continuity-visual .cnf-ticks, .cnf-continuity-visual .cnf-boundary-label { font-size: 18px; }
  .cnf-continuity-visual .cnf-width-label, .cnf-continuity-visual .cnf-flux-label { font-size: 20px; }
  .cnf-continuity-visual .cnf-flux-controls { padding-top: 12px; }
  .cnf-continuity-visual .cnf-controls { gap: 10px; }
  .cnf-continuity-visual .cnf-controls label { min-width: 72px; font-size: 11px; }
  .cnf-continuity-detail { border-left: 1px solid var(--line); padding-left: 24px; }
  .cnf-continuity-detail .cnf-slab-factors { border-top: 0; padding-top: 0; gap: 14px; }
  .cnf-continuity-detail .cnf-slab-factors p { font-size: 11px; }
  .cnf-continuity-detail .cnf-slab-factors code { font-size: 10px; white-space: nowrap; }
  .cnf-continuity-detail .cnf-balance { gap: 3px; grid-template-columns: minmax(0,1fr) 10px minmax(0,1fr) 10px minmax(0,1fr); padding-block: 14px; }
  .cnf-continuity-detail .cnf-balance span { font-size: 10px; }
  .cnf-continuity-detail .cnf-balance b { font-size: 15px; }
  .cnf-continuity-detail .cnf-step-limit { grid-template-columns: minmax(0,1fr) 40px minmax(0,1fr); gap: 5px; margin-top: 18px; }
  .cnf-continuity-detail .cnf-step-limit div, .cnf-continuity-detail .cnf-step-limit code { font-size: 10px; }
  .cnf-continuity-detail .cnf-step-limit b { font-size: 17px; }
  .cnf-continuity-detail .cnf-limit-arrow { font-size: 10px; }
  .cnf-continuity-detail .cnf-state, .cnf-continuity-detail .cnf-proof p { font-size: 11px; line-height: 1.85; }
  .cnf-continuity-detail .cnf-proof { margin-top: 14px; padding-top: 4px; }
  .cnf-continuity-detail .cnf-proof-equation { font-size: 12px; }
}
[data-theme="dark"] .cnf-continuity { --outflow: #e5ae72; }
.cnf-continuity .cnf-curve { stroke: var(--muted); stroke-width: 1.6; stroke-dasharray: 5 4; }
.cnf-continuity .cnf-interval { fill-opacity: .055; }
.cnf-continuity .cnf-legend .inflow { height: 10px; border: 0; background: var(--blue); opacity: .5; }
.cnf-continuity .cnf-legend .outflow { height: 10px; border: 0; background: var(--outflow); opacity: .5; }
.cnf-slab { fill: var(--blue); fill-opacity: .25; stroke: var(--blue); stroke-width: 1.5; }
.cnf-slab.right { fill: var(--outflow); stroke: var(--outflow); }
.cnf-slab-point { fill: var(--blue); }
.cnf-slab-point.right { fill: var(--outflow); }
.cnf-width, .cnf-flux-arrow.left { fill: none; stroke: var(--blue); stroke-width: 1.5; }
.cnf-width.right, .cnf-flux-arrow.right { stroke: var(--outflow); }
.cnf-width-label, .cnf-flux-label { fill: var(--blue); font: 14px var(--sans); }
.cnf-width-label.right, .cnf-flux-label.right { fill: var(--outflow); }
.cnf-flux-controls { padding-block: 8px; margin-top: 8px; }
.cnf-flux-controls label { min-width: 80px; }
.cnf-slab-factors { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.cnf-slab-factors p { margin: 0 0 14px; font-size: 12px; }
.cnf-slab-factors strong { color: var(--blue); display: block; }
.cnf-slab-factors p:last-child strong { color: var(--outflow); }
.cnf-slab-factors span, .cnf-slab-factors code { display: block; margin-top: 6px; }
.cnf-figure .cnf-slab-factors code, .cnf-figure .cnf-step-limit code { padding: 0; background: none; font-size: 11px; }
.cnf-continuity [data-readout="right-mass"] { color: var(--outflow); }
.cnf-step-limit { display: grid; grid-template-columns: minmax(0,1fr) 70px minmax(0,1fr); align-items: center; gap: 12px; margin: 24px 0 10px; text-align: center; }
.cnf-step-limit div { display: flex; flex-direction: column; gap: 8px; font-size: 11px; }
.cnf-step-limit b { font: 20px var(--mono); color: var(--blue); }
.cnf-limit-arrow { font: 12px var(--mono); color: var(--muted); }
.cnf-proof { border-top: 1px solid var(--line); margin-top: 20px; padding-top: 10px; }
.cnf-figure .cnf-proof p { font-size: 12px; }
.cnf-proof-equation { min-width: 0; overflow-x: auto; font-size: 13px; }
.cnf-proof-equation .katex-display { margin: 12px 0; width: max-content; min-width: 100%; padding-block: 5px; }
@media (max-width: 500px) {
  .cnf-continuity .cnf-balance b { font-size: 14px; }
  .cnf-flux-controls label { min-width: 65px; font-size: 11px; }
  .cnf-slab-factors { gap: 12px; }
  .cnf-slab-factors p { font-size: 11px; }
  .cnf-slab-factors code { overflow-wrap: anywhere; }
  .cnf-width-label, .cnf-flux-label { font-size: 20px; }
  .cnf-step-limit { grid-template-columns: minmax(0,1fr) 40px minmax(0,1fr); gap: 6px; }
  .cnf-step-limit div { font-size: 10px; }
  .cnf-figure .cnf-step-limit code { font-size: 10px; overflow-wrap: anywhere; }
  .cnf-limit-arrow { font-size: 10px; }
  .cnf-step-limit b { font-size: 17px; }
}