.book-prose .math-widget-mount:has(.sim-graph),.book-prose .math-widget-mount:has(.sim-solver){max-width:none}.sim-graph{--math-line2: #2563eb}.sim-graph .math-widget__equation-box.sim-graph__eq2-box{background:color-mix(in srgb, #2563eb 8%, transparent)}[data-theme=dark] .sim-graph{--math-line2: #60a5fa}.sim-graph__presets{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.sim-graph__preset-btn{padding:.4rem .75rem;font-size:.8125rem;font-weight:600;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--soft-ink);cursor:pointer}.sim-graph__preset-btn:hover{border-color:var(--accent);color:var(--ink)}.sim-graph__preset-btn--active{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 12%, var(--paper));color:var(--accent)}.sim-graph__line-heading{margin:.75rem 0 .25rem;font-size:.8125rem;font-weight:600;color:var(--muted)}.sim-graph__status--unique .math-widget__delta-nature{color:var(--success)}.sim-graph__status--parallel .math-widget__delta-nature{color:var(--muted)}.sim-graph__status--coincident .math-widget__delta-nature{color:var(--accent)}.math-graph-tooltip--intersection .math-graph-tooltip__label{color:var(--math-root)}.math-graph-tooltip--line1 .math-graph-tooltip__label{color:var(--math-curve)}.math-graph-tooltip--line2 .math-graph-tooltip__label{color:var(--math-line2)}.sim-solver{--sim-panel-bg: var(--card-bg);--sim-panel-border: var(--card-border);--sim-error: #dc2626;width:min(1100px,92vw);max-width:none;margin-top:1.25rem}[data-theme=dark] .sim-solver{--sim-error: #f87171}.sim-solver__shell{display:flex;flex-direction:column;min-height:24rem;border:1px solid var(--sim-panel-border);border-radius:14px;overflow:hidden;background:var(--sim-panel-bg)}@media(min-width: 768px){.sim-solver__shell{flex-direction:row;min-height:28rem}}.sim-solver__sidebar{flex-shrink:0;display:flex;flex-direction:column;gap:1rem;padding:1.25rem 1.5rem;border-bottom:1px solid var(--line)}@media(min-width: 768px){.sim-solver__sidebar{width:17rem;border-bottom:none;border-right:1px solid var(--line)}}.sim-solver__field{display:flex;flex-direction:column;gap:.35rem}.sim-solver__label{font-size:.8125rem;font-weight:600;color:var(--soft-ink)}.sim-solver__select{width:100%;padding:.5rem .65rem;font-size:.875rem;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink)}.sim-solver__method-grid{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}.sim-solver__method-btn{padding:.5rem .65rem;font-size:.8125rem;font-weight:600;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--soft-ink);cursor:pointer}.sim-solver__method-btn--active{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 12%, var(--paper));color:var(--accent)}.sim-solver__method-btn--disabled,.sim-solver__method-btn:disabled{opacity:.45;cursor:not-allowed}.sim-solver__transport{display:flex;align-items:center;gap:.5rem}.sim-solver__transport-btn,.sim-solver__play{display:flex;align-items:center;justify-content:center;min-width:2.5rem;height:2.5rem;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink);font-size:1.25rem;cursor:pointer}.sim-solver__play{flex:1;font-size:.875rem;font-weight:600}.sim-solver__transport-btn:disabled,.sim-solver__play:disabled{opacity:.45;cursor:not-allowed}.sim-solver__speed{display:flex;align-items:center;gap:.5rem;font-size:.75rem;color:var(--muted)}.sim-solver__speed-slider{flex:1}.sim-solver__stage{flex:1;display:flex;flex-direction:column;gap:1rem;padding:1.25rem 1.5rem;min-width:0}.sim-solver__message-box{padding:.75rem 1rem;border-radius:10px;background:color-mix(in srgb, var(--accent) 6%, var(--paper))}.sim-solver__message-box--error{background:color-mix(in srgb, var(--sim-error) 10%, var(--paper))}.sim-solver__message-box--error .sim-solver__message{color:var(--sim-error)}.sim-solver__message{margin:0 0 .5rem;font-size:.9rem}.sim-solver__progress-track{height:4px;border-radius:2px;background:var(--line);overflow:hidden}.sim-solver__progress-fill{height:100%;background:var(--accent);transition:width .2s ease}.sim-solver__equation-panel{padding:1rem;text-align:center;border-radius:10px;background:color-mix(in srgb, var(--accent) 6%, transparent)}.sim-solver__panel-label{margin:0 0 .5rem;font-family:var(--mono);font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}.sim-solver__step-panel{flex:1;padding:1rem 1.25rem;border:1px solid var(--line);border-radius:10px;background:var(--paper)}.sim-solver__step-title{margin:0 0 .75rem;font-size:1rem;color:var(--ink)}.sim-solver__step-math{font-size:1.05rem;overflow-x:auto}@media(min-width: 900px){.math-widget__layout{grid-template-columns:minmax(260px, 340px) 1fr;align-items:start}}