.simulator { padding-bottom: 56px; }
.sim-intro { padding-top: 54px; }
.sim-intro h1 { font-size: clamp(2.8rem, 6vw, 4.7rem); letter-spacing: -.055em; line-height: 1.12; margin: 12px 0 14px; }
.sim-lead { color: var(--ink-soft); font-size: clamp(1rem, 1.8vw, 1.25rem); }
.sim-title-row { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; margin: 42px 0 12px; }
.sim-title-row h2 { margin: 0; font-size: clamp(1.25rem, 2.6vw, 1.8rem); letter-spacing: -.025em; }
.sim-model-label, .sim-description { color: var(--ink-soft); font-size: .85rem; }
.sim-description { max-width: 780px; line-height: 1.8; }
.sim-presets { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 30px; }
.simulator button, .simulator select, .sim-number { font: inherit; color: var(--ink); }
.simulator button { background: rgba(255,255,255,.7); border: 1px solid #bccdd6; padding: 9px 14px; border-radius: 8px; font-size: .78rem; cursor: pointer; min-height: 40px; transition: background-color 140ms ease, border-color 140ms ease; }
.simulator button:hover { background: #e0eff8; border-color: #4885a5; }
.simulator button[aria-pressed="true"] { background: #d6edfa; border-color: #2682af; color: #104f70; }
.sim-presets .sim-reset { margin-left: auto; background: transparent; }
.sim-input-section { padding: 28px 30px 6px; background: rgba(255,255,255,.72); border: 1px solid var(--line); border-radius: 20px; }
.sim-controls { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); column-gap: 56px; row-gap: 26px; }
.sim-control { min-width: 0; }
.sim-control__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.sim-control label { font-size: .83rem; font-weight: 600; }
.sim-control__value { display: flex; align-items: baseline; gap: 5px; flex-shrink: 0; font-size: .8rem; color: var(--ink-soft); }
.sim-number { width: 74px; padding: 4px 7px; border: 1px solid #b8cbd5; border-radius: 6px; background: #f9fcfd; text-align: right; font-size: .88rem; font-variant-numeric: tabular-nums; }
.sim-number[aria-invalid="true"] { border-color: #a34920; }
.sim-control input[type="range"], .sim-time-control input { width: 100%; height: 28px; margin: 0; accent-color: #2489bd; cursor: ew-resize; }
.sim-control__ends { display: flex; justify-content: space-between; font-size: .65rem; color: var(--muted); }
.sim-help { color: var(--muted); font-size: .75rem; line-height: 1.7; }
.mass-allocation { margin-top: 30px; }
.mass-allocation__labels { display: flex; justify-content: space-between; gap: 12px; font-size: .74rem; color: var(--ink-soft); flex-wrap: wrap; }
.mass-allocation__labels strong { font-variant-numeric: tabular-nums; color: var(--ink); margin-left: 5px; }
.mass-allocation__labels i { display: inline-block; width: 8px; height: 8px; background: #389acc; border-radius: 2px; margin-right: 7px; }
.mass-allocation__bar { margin-top: 9px; height: 7px; background: #dce5ea; border-radius: 5px; overflow: hidden; }
.mass-allocation__bar span { display: block; height: 100%; width: 11.765%; background: #389acc; }
.mass-allocation > p { font-size: .65rem; color: var(--muted); margin-top: 7px; }
.sim-advanced { margin-top: 24px; border-top: 1px solid var(--line); padding-bottom: 12px; }
.sim-advanced summary { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 18px 0 10px; cursor: pointer; font-weight: 600; font-size: .83rem; list-style: none; }
.sim-advanced summary::before { content: '+'; font-size: 1.05rem; }
.sim-advanced[open] summary::before { content: '−'; }
.sim-advanced summary span { font-size: .72rem; font-weight: 400; color: var(--muted); }
.sim-advanced .sim-controls { margin: 18px 0 20px; }
.sim-advanced .sim-help { margin-top: 14px; }
.sim-checkbox { display: flex; align-items: center; gap: 10px; font-size: .8rem; min-height: 44px; }
.sim-checkbox input { width: 18px; height: 18px; accent-color: #2489bd; }
#torque-curve-controls { max-width: 510px; margin-top: 12px; }
.sim-results { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); margin: 36px 0 16px; gap: 20px; }
.sim-results > div { border-left: 2px solid #97bed2; padding-left: 17px; min-width: 0; }
.sim-results p { font-size: .77rem; line-height: 1.5; min-height: 40px; }
.sim-results small { display: block; font-size: .65rem; color: var(--muted); margin-top: 3px; }
.sim-results output { display: inline-block; font-size: clamp(1.8rem,3.4vw,2.6rem); letter-spacing: -.04em; font-weight: 600; font-variant-numeric: tabular-nums; margin: 7px 7px 0 0; }
.sim-results > div > span { font-size: .8rem; color: var(--ink-soft); }
.sim-secondary-results { display: flex; flex-wrap: wrap; gap: 8px 26px; font-size: .73rem; color: var(--ink-soft); font-variant-numeric: tabular-nums; line-height: 1.8; }
.sim-plots { margin-top: 42px; }
.sim-chart-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.sim-chart-heading h2 { font-size: 1.18rem; letter-spacing: -.02em; margin: 0; }
.sim-chart-heading > span { color: var(--muted); font-size: .68rem; }
.sim-chart-heading--secondary { margin-top: 36px; }
.sim-chart-heading--secondary + .sim-help { margin-top: 7px; }
.sim-chart-heading select { padding: 9px 12px; border: 1px solid #b4c9d4; border-radius: 7px; background: #f7fafc; font-size: .75rem; min-height: 40px; max-width: 100%; }
.sim-legend { display: flex; flex-wrap: wrap; gap: 7px; margin: 18px 0 12px; }
.sim-legend button { font-size: .72rem; padding: 5px 10px; min-height: 34px; background: transparent; }
.sim-legend button[aria-pressed="false"] { opacity: .55; text-decoration: line-through; }
.sim-legend button.is-selected { box-shadow: inset 0 -2px #167eb2; font-weight: 700; }
.sim-chart-wrap { position: relative; height: 295px; min-width: 0; margin-top: 10px; }
.sim-chart-wrap canvas { max-width: 100%; touch-action: pan-y; }
.sim-chart-tooltip { position: absolute; top: 12px; right: 12px; background: rgba(248,252,255,.96); border: 1px solid #aec8d7; box-shadow: 0 6px 20px #14283112; border-radius: 8px; padding: 9px 12px; pointer-events: none; font-size: .68rem; min-width: 135px; color: var(--ink); font-variant-numeric: tabular-nums; }
.sim-chart-tooltip strong { display: block; margin-bottom: 5px; }
.sim-chart-tooltip > div { display: flex; justify-content: space-between; gap: 20px; }
.sim-chart-tooltip .selected { font-weight: 700; color: #125f87; }
.sim-time-control { display: grid; grid-template-columns: 165px minmax(100px,1fr); align-items: center; gap: 8px 16px; margin-top: 18px; }
.sim-time-control label { font-size: .75rem; }
.sim-time-control output { margin-left: 9px; font-variant-numeric: tabular-nums; }
.sim-time-control > span { grid-column: 2; font-size: .67rem; color: var(--muted); }
.sim-chart-summary { font-size: .75rem; color: var(--ink-soft); line-height: 1.8; margin-top: 18px; }
.sim-feedback { border-top: 1px solid #b8cdd7; border-bottom: 1px solid #b8cdd7; margin-top: 28px; padding: 22px 0; }
.sim-feedback > p:first-child { display: flex; gap: 10px; align-items: center; font-size: .88rem; }
#feedback-dot { width: 7px; height: 7px; background: #2d7c69; border-radius: 50%; flex-shrink: 0; }
.sim-feedback[data-tone="warning"] #feedback-dot { background: #a35d21; }
.sim-feedback > p + p { color: var(--ink-soft); font-size: .8rem; margin-top: 8px; line-height: 1.8; }
.sim-error { color: #993f1e; padding: 16px 0; font-size: .85rem; }
.sim-technical { margin-top: 25px; color: var(--muted); font-size: .75rem; line-height: 1.85; }
.sim-technical > p { max-width: 1030px; }
.sim-technical details { margin-top: 16px; }
.sim-technical summary { cursor: pointer; color: #175e82; padding-block: 10px; }
.sim-technical details p { margin-bottom: 14px; max-width: 1000px; }
.simulator :where(input,select,button,summary):focus-visible { outline: 3px solid #166688; outline-offset: 4px; }
@media(max-width: 850px) { .sim-controls { column-gap: 28px; } .sim-results { grid-template-columns: repeat(2,minmax(0,1fr)); row-gap: 24px; } }
@media(max-width: 600px) {
  .sim-intro { padding-top: 32px; } .sim-title-row { margin-top: 30px; gap: 7px; }
  .sim-input-section { padding: 22px 17px 5px; } .sim-controls { grid-template-columns: 1fr; row-gap: 21px; }
  .sim-presets .sim-reset { margin-left: 0; } .sim-presets { gap: 6px; } .simulator button { font-size: .72rem; padding-inline: 11px; }
  .sim-number { font-size: 16px; width: 78px; } .sim-control label { font-size: .76rem; }
  .sim-results { gap: 20px 12px; } .sim-results > div { padding-left: 11px; } .sim-results p { font-size: .72rem; min-height: 54px; }
  .sim-results output { font-size: 1.8rem; } .sim-results small { font-size: .6rem; }
  .sim-chart-wrap { height: 265px; } .sim-chart-heading > span { max-width: 270px; line-height: 1.7; }
  .sim-time-control { grid-template-columns: 1fr; gap: 5px; } .sim-time-control > span { grid-column: 1; }
  .sim-chart-tooltip { right: 4px; top: 4px; font-size: .65rem; }
}
@media(pointer: coarse) { .simulator button { min-height: 44px; } .sim-control input[type="range"] { height: 36px; } }
@media(prefers-reduced-motion: reduce) { .simulator *, .simulator *::before { transition: none !important; } }
@media(forced-colors: active) { .sim-results > div, .mass-allocation__bar, .sim-input-section { border: 1px solid CanvasText; } .sim-legend button.is-selected { outline: 2px solid Highlight; } }