.simulation-app {
  display: grid;
  grid-template-columns: minmax(220px, 270px) minmax(0, 1fr);
  gap: 0.9rem;
  height: min(100vh, 100svh);
  padding: clamp(0.75rem, 1.6vw, 1.15rem);
  overflow: hidden;
}

.simulation-sidebar,
.simulation-stage {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.simulation-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  padding: 0.95rem;
  border-radius: var(--radius-xl);
}

.brand-block {
  padding: 0.45rem 0.55rem 0.1rem;
}

.brand-block h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 2.4vw, 2.8rem);
  line-height: 0.96;
  white-space: nowrap;
}

.brand-block p:last-child {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.4;
}

.simulation-list {
  display: grid;
  gap: 0.8rem;
  min-width: 0;
}

.simulation-nav-group {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.simulation-nav-group__title {
  margin: 0;
  padding: 0 0.45rem;
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.simulation-nav-group__items {
  display: grid;
  gap: 0.55rem;
  min-width: 0;
}

.simulation-list__button {
  width: 100%;
  min-width: 0;
  padding: 0.82rem 0.95rem;
  text-align: left;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.56);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.simulation-list__button:hover,
.simulation-list__button:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(231, 111, 81, 0.45);
  outline: none;
}

.simulation-list__button.is-active {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--ink), #26405f);
}

.simulation-list__title {
  display: block;
  font-weight: 800;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.simulation-list__meta {
  display: block;
  margin-top: 0.18rem;
  color: currentColor;
  opacity: 0.72;
  font-size: 0.82rem;
  line-height: 1.25;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.simulation-stage {
  display: block;
  height: 100%;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  border-radius: var(--radius-xl);
  container-type: inline-size;
}

.stage-empty {
  display: grid;
  height: 100%;
  place-items: center;
  color: var(--muted);
}

.pressure-simulation {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
}

.pressure-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
}

.pressure-title {
  min-width: 0;
}

.pressure-header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.2vw, 2.15rem);
  line-height: 1;
  white-space: nowrap;
}

.pressure-header p {
  max-width: 46rem;
  margin: 0.28rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.34;
}

.pressure-toolbar {
  display: grid;
  justify-items: end;
  gap: 0.45rem;
}

.pressure-toolbar__hint {
  padding: 0.42rem 0.75rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  font-size: 0.8rem;
  font-weight: 700;
}

.pressure-equation {
  padding: 0.72rem 0.9rem;
  color: #fff;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent), #f4a261);
  box-shadow: 0 12px 24px rgba(231, 111, 81, 0.18);
}

.pressure-equation strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.7vw, 2rem);
  line-height: 1;
}

.pressure-equation span {
  display: block;
  margin-top: 0.18rem;
  font-size: 0.78rem;
  opacity: 0.84;
}

.pressure-workspace {
  display: grid;
  grid-template-columns: minmax(14rem, 17rem) minmax(0, 1fr);
  gap: 0.8rem;
  min-height: 0;
  padding: 0.8rem;
  overflow: hidden;
}

.pressure-controls {
  display: grid;
  grid-auto-rows: max-content;
  gap: 0.7rem;
  min-height: 0;
  align-content: start;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 0.2rem;
  overscroll-behavior: contain;
}

.control-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}

.control-card,
.metric-card,
.concept-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.72);
}

.control-card {
  padding: 0.8rem 0.85rem;
}

.control-card label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
  font-weight: 800;
}

.control-card output {
  color: var(--accent-strong);
  white-space: nowrap;
}

.pressure-controls .control-card output {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
}

.pressure-controls .control-card output small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.control-card input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.control-card select {
  width: 100%;
  padding: 0.58rem 0.72rem;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.control-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.55rem;
  align-items: center;
  margin-top: 0.55rem;
}

.control-input-row__label {
  min-width: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.control-number {
  width: 6.3rem;
  min-width: 0;
  padding: 0.5rem 0.62rem;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font: inherit;
  text-align: right;
 }

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.metric-card {
  padding: 0.72rem 0.8rem;
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.metric-card strong {
  display: block;
  margin-top: 0.18rem;
  font-size: clamp(1rem, 1.2vw, 1.28rem);
  white-space: nowrap;
}

.concept-card {
  padding: 0.8rem 0.9rem;
  color: var(--muted);
  line-height: 1.38;
  font-size: 0.9rem;
}

.concept-card strong {
  color: var(--ink);
}

.pressure-visual {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(20, 33, 61, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(20, 33, 61, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
}

.pressure-visual__hud {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid rgba(20, 33, 61, 0.08);
  background: rgba(255, 252, 242, 0.7);
}

.pressure-visual__meta {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.pressure-canvas-frame {
  position: relative;
  min-height: 0;
}

.pressure-canvas {
  position: absolute;
  inset: 0;
}

.pressure-canvas canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.pressure-legend {
  max-width: min(18rem, 100%);
  padding: 0.42rem 0.62rem;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(14px);
  font-size: 0.74rem;
  font-weight: 700;
}

.pressure-camera {
  display: inline-grid;
  gap: 0.18rem;
  width: fit-content;
  max-width: 100%;
  padding: 0.5rem 0.7rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(14px);
}

.pressure-camera span {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pressure-camera strong {
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 800;
  white-space: nowrap;
}

.pressure-overlay {
  display: grid;
  gap: 0.55rem;
  justify-self: stretch;
  width: 100%;
  padding: 0.62rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(14px);
}

.pressure-gauge {
  height: 0.75rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(20, 33, 61, 0.12);
}

.pressure-gauge__fill {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--accent));
  transition: width 180ms ease;
}

.pressure-overlay p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.28;
}

.pressure-overlay__metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
}

.pressure-overlay__metrics .metric-card {
  min-width: 0;
  padding: 0.58rem 0.62rem;
  background: rgba(255, 255, 255, 0.7);
}

.pressure-overlay__metrics .metric-card strong {
  white-space: normal;
  overflow-wrap: anywhere;
  font-size: 0.98rem;
}

.applied-pressure-simulation {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
}

.applied-pressure-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
}

.applied-pressure-title {
  min-width: 0;
}

.applied-pressure-header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.2vw, 2.15rem);
  line-height: 1;
  white-space: nowrap;
}

.applied-pressure-header p {
  max-width: 48rem;
  margin: 0.28rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.34;
}

.applied-pressure-toolbar {
  display: grid;
  justify-items: end;
  gap: 0.45rem;
}

.applied-pressure-toolbar__hint {
  padding: 0.42rem 0.75rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  font-size: 0.8rem;
  font-weight: 700;
}

.applied-pressure-equation {
  padding: 0.72rem 0.9rem;
  color: #fff;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #415a77, #5c8fcb);
  box-shadow: 0 12px 24px rgba(65, 90, 119, 0.18);
}

.applied-pressure-equation strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.7vw, 2rem);
  line-height: 1;
}

.applied-pressure-equation span {
  display: block;
  margin-top: 0.18rem;
  font-size: 0.78rem;
  opacity: 0.84;
}

.applied-pressure-workspace {
  display: grid;
  grid-template-columns: minmax(16rem, 18rem) minmax(0, 1fr);
  gap: 0.8rem;
  min-height: 0;
  padding: 0.8rem;
  overflow: hidden;
}

.applied-pressure-controls {
  display: grid;
  grid-auto-rows: max-content;
  gap: 0.7rem;
  min-height: 0;
  align-content: start;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 0.2rem;
  overscroll-behavior: contain;
}

.applied-pressure-controls .control-card label {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  justify-content: start;
}

.applied-pressure-controls .control-card output {
  font-size: 0.95rem;
  text-align: left;
  white-space: normal;
  word-break: break-word;
}

.applied-pressure-controls .metric-grid {
  grid-template-columns: 1fr;
}

.applied-pressure-controls .metric-card,
.applied-pressure-controls .concept-card,
.applied-pressure-controls .control-card,
.applied-pressure-actions > * {
  min-width: 0;
}

.applied-pressure-controls .metric-card strong,
.applied-pressure-controls .concept-card span {
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.applied-pressure-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}

.applied-pressure-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.72rem 0.85rem;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  font-weight: 700;
}

.applied-pressure-toggle input {
  width: 1rem;
  height: 1rem;
  margin: 0;
  accent-color: var(--accent);
}

.applied-pressure-button {
  padding: 0.72rem 0.85rem;
  color: #fff;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #f4a261);
  font-weight: 800;
}

.applied-pressure-button--secondary {
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
}

.applied-pressure-visual {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(20, 33, 61, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(20, 33, 61, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
}

.applied-pressure-visual__hud {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid rgba(20, 33, 61, 0.08);
  background: rgba(255, 252, 242, 0.7);
}

.applied-pressure-visual__meta {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.applied-pressure-legend,
.applied-pressure-selection {
  display: inline-grid;
  gap: 0.18rem;
  width: fit-content;
  max-width: 100%;
  padding: 0.5rem 0.7rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(14px);
}

.applied-pressure-legend {
  font-size: 0.74rem;
  font-weight: 700;
}

.applied-pressure-selection span {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.applied-pressure-selection strong {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 800;
  white-space: nowrap;
}

.applied-pressure-canvas-frame {
  position: relative;
  min-height: 0;
}

.applied-pressure-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.applied-pressure-three {
  position: absolute;
  inset: 0;
}

.lever-simulation {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
}

.lever-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
}

.lever-title {
  min-width: 0;
}

.lever-header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.2vw, 2.15rem);
  line-height: 1;
  white-space: nowrap;
}

.lever-header p {
  max-width: 48rem;
  margin: 0.28rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.34;
}

.lever-toolbar {
  display: grid;
  justify-items: end;
  gap: 0.45rem;
}

.lever-toolbar__hint {
  padding: 0.42rem 0.75rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  font-size: 0.8rem;
  font-weight: 700;
}

.lever-equation {
  padding: 0.72rem 0.9rem;
  color: #fff;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #2a9d8f, #264653);
  box-shadow: 0 12px 24px rgba(38, 70, 83, 0.18);
}

.lever-equation strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.7vw, 2rem);
  line-height: 1;
}

.lever-equation span {
  display: block;
  margin-top: 0.18rem;
  font-size: 0.78rem;
  opacity: 0.84;
}

.lever-workspace {
  display: grid;
  grid-template-columns: minmax(16rem, 18rem) minmax(0, 1fr);
  gap: 0.8rem;
  min-height: 0;
  padding: 0.8rem;
  overflow: hidden;
}

.lever-controls {
  display: grid;
  grid-auto-rows: max-content;
  gap: 0.7rem;
  min-height: 0;
  align-content: start;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 0.2rem;
  overscroll-behavior: contain;
}

.lever-controls .control-card label {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  justify-content: start;
}

.lever-controls .control-card output {
  font-size: 0.95rem;
  text-align: left;
  white-space: normal;
  word-break: break-word;
}

.lever-controls .metric-card,
.lever-controls .concept-card,
.lever-controls .control-card,
.lever-actions > * {
  min-width: 0;
}

.lever-controls .metric-grid {
  grid-template-columns: 1fr;
}

.lever-controls .metric-card strong,
.lever-controls .concept-card span {
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.lever-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}

.lever-button {
  padding: 0.72rem 0.85rem;
  color: #fff;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #2a9d8f, #e9c46a);
  font-weight: 800;
}

.lever-button--secondary {
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
}

.lever-visual {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(20, 33, 61, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(20, 33, 61, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
}

.lever-visual__hud {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid rgba(20, 33, 61, 0.08);
  background: rgba(255, 252, 242, 0.7);
}

.lever-visual__meta {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.lever-legend,
.lever-selection {
  display: inline-grid;
  gap: 0.18rem;
  width: fit-content;
  max-width: 100%;
  padding: 0.5rem 0.7rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(14px);
}

.lever-legend {
  font-size: 0.74rem;
  font-weight: 700;
}

.lever-selection span {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lever-selection strong {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 800;
  white-space: normal;
  overflow-wrap: anywhere;
}

.lever-selection {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  width: 100%;
  gap: 1rem;
  align-items: end;
}

.lever-selection__item {
  min-width: 0;
  display: grid;
  gap: 0.1rem;
}

.lever-selection__item span {
  margin: 0;
}

.lever-selection__item strong {
  font-size: 0.78rem;
  white-space: nowrap;
}

.lever-canvas-frame {
  position: relative;
  min-height: 0;
}

.lever-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.inclined-plane-simulation {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
}

.inclined-plane-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
}

.inclined-plane-title {
  min-width: 0;
}

.inclined-plane-header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.2vw, 2.15rem);
  line-height: 1;
  white-space: nowrap;
}

.inclined-plane-header p {
  max-width: 48rem;
  margin: 0.28rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.34;
}

.inclined-plane-toolbar {
  display: grid;
  justify-items: end;
  gap: 0.45rem;
}

.inclined-plane-toolbar__hint {
  padding: 0.42rem 0.75rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  font-size: 0.8rem;
  font-weight: 700;
}

.inclined-plane-equation {
  padding: 0.72rem 0.9rem;
  color: #fff;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #577590, #43aa8b);
  box-shadow: 0 12px 24px rgba(67, 170, 139, 0.16);
}

.inclined-plane-equation strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.55vw, 1.65rem);
  line-height: 1.08;
}

.inclined-plane-equation span {
  display: block;
  margin-top: 0.18rem;
  font-size: 0.78rem;
  opacity: 0.84;
}

.inclined-plane-workspace {
  display: grid;
  grid-template-columns: minmax(16rem, 18rem) minmax(0, 1fr);
  gap: 0.8rem;
  min-height: 0;
  padding: 0.8rem;
  overflow: hidden;
}

.inclined-plane-controls {
  display: grid;
  grid-auto-rows: max-content;
  gap: 0.7rem;
  min-height: 0;
  align-content: start;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 0.2rem;
  overscroll-behavior: contain;
}

.inclined-plane-controls .control-card label {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  justify-content: start;
}

.inclined-plane-controls .control-card output {
  font-size: 0.95rem;
  text-align: left;
  white-space: normal;
  word-break: break-word;
}

.inclined-plane-controls .metric-card,
.inclined-plane-controls .concept-card,
.inclined-plane-controls .control-card {
  min-width: 0;
}

.inclined-plane-controls .metric-card strong,
.inclined-plane-controls .concept-card span {
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.inclined-plane-controls .metric-grid {
  display: none;
}

.inclined-plane-visual {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  min-height: clamp(28rem, 64vh, 40rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(20, 33, 61, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(20, 33, 61, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
}

.inclined-plane-visual__hud {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid rgba(20, 33, 61, 0.08);
  background: rgba(255, 252, 242, 0.7);
}

.inclined-plane-visual__meta {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.inclined-plane-legend,
.inclined-plane-selection {
  display: inline-grid;
  gap: 0.18rem;
  width: fit-content;
  max-width: 100%;
  padding: 0.5rem 0.7rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(14px);
}

.inclined-plane-legend {
  font-size: 0.74rem;
  font-weight: 700;
}

.inclined-plane-selection {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: 100%;
  gap: 1rem;
  align-items: end;
}

.inclined-plane-selection__item {
  min-width: 0;
  display: grid;
  gap: 0.1rem;
}

.inclined-plane-selection__item span {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.inclined-plane-selection__item strong {
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.inclined-plane-canvas-frame {
  position: relative;
  min-height: 0;
}

.inclined-plane-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

@media (max-height: 920px) {
  .simulation-app {
    padding: 0.65rem;
  }

  .simulation-sidebar {
    padding: 0.78rem;
  }

  .brand-block h1 {
    font-size: clamp(1.45rem, 2vw, 2.2rem);
  }

  .pressure-header {
    padding: 0.62rem 0.85rem;
  }

  .lever-header {
    padding: 0.62rem 0.85rem;
  }

  .inclined-plane-header {
    padding: 0.62rem 0.85rem;
  }

  .pressure-workspace {
    padding: 0.65rem;
    gap: 0.65rem;
  }

  .lever-workspace {
    padding: 0.65rem;
    gap: 0.65rem;
  }

  .inclined-plane-workspace {
    padding: 0.65rem;
    gap: 0.65rem;
  }

  .control-grid,
  .metric-grid {
    gap: 0.55rem;
  }

  .control-number {
    width: 5.5rem;
    padding: 0.46rem 0.56rem;
  }

  .control-card,
  .metric-card,
  .concept-card {
    border-radius: 16px;
  }

  .control-card {
    padding: 0.68rem 0.75rem;
  }

  .metric-card {
    padding: 0.62rem 0.72rem;
  }
}

@media (max-width: 1180px) {
  .simulation-app,
  .pressure-workspace,
  .pressure-header,
  .lever-workspace,
  .lever-header,
  .inclined-plane-workspace,
  .inclined-plane-header,
  .applied-pressure-workspace,
  .applied-pressure-header {
    grid-template-columns: 1fr;
  }

  .simulation-app {
    height: auto;
    min-height: 100dvh;
    overflow: visible;
  }

  .simulation-stage {
    overflow: visible;
  }

  .simulation-list {
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  }

  .pressure-toolbar {
    justify-items: start;
  }

  .pressure-visual {
    min-height: clamp(24rem, 56vh, 34rem);
  }

  .lever-visual {
    min-height: clamp(24rem, 56vh, 34rem);
  }

  .inclined-plane-visual {
    min-height: clamp(24rem, 56vh, 34rem);
  }

  .applied-pressure-toolbar {
    justify-items: start;
  }

  .lever-toolbar {
    justify-items: start;
  }

  .inclined-plane-toolbar {
    justify-items: start;
  }

  .applied-pressure-visual {
    min-height: clamp(24rem, 56vh, 34rem);
  }

  .pressure-visual__hud {
    grid-template-columns: 1fr;
  }

  .pressure-overlay {
    justify-self: stretch;
  }

  .pressure-overlay__metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lever-visual__hud {
    grid-template-columns: 1fr;
  }

  .inclined-plane-visual__hud {
    grid-template-columns: 1fr;
  }

  .applied-pressure-visual__hud {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .simulation-app {
    padding: 0.7rem;
  }

  .pressure-header,
  .pressure-workspace,
  .lever-header,
  .lever-workspace,
  .inclined-plane-header,
  .inclined-plane-workspace,
  .applied-pressure-header,
  .applied-pressure-workspace {
    padding: 1rem;
  }

  .control-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .control-input-row {
    grid-template-columns: 1fr;
  }

  .control-number {
    width: 100%;
    text-align: left;
  }

  .pressure-equation {
    width: fit-content;
  }

  .pressure-visual {
    min-height: 24rem;
  }

  .pressure-visual__hud {
    padding: 0.65rem;
  }

  .pressure-overlay__metrics {
    grid-template-columns: 1fr;
  }

  .pressure-legend {
    border-radius: var(--radius-lg);
  }

  .lever-visual {
    min-height: 24rem;
  }

  .lever-visual__hud {
    padding: 0.65rem;
  }

  .lever-selection {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
  }

  .inclined-plane-visual {
    min-height: 24rem;
  }

  .inclined-plane-visual__hud {
    padding: 0.65rem;
  }

  .inclined-plane-selection {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
  }

  .applied-pressure-visual {
    min-height: 24rem;
  }

  .applied-pressure-visual__hud {
    padding: 0.65rem;
  }
}

@container (max-width: 1200px) {
  .pressure-workspace,
  .applied-pressure-workspace,
  .lever-workspace,
  .inclined-plane-workspace {
    position: relative;
    display: block;
    padding: 0.8rem;
  }

  .pressure-visual,
  .applied-pressure-visual,
  .lever-visual,
  .inclined-plane-visual {
    position: relative;
    display: block;
    min-height: clamp(34rem, 78vh, 48rem);
  }

  .pressure-canvas-frame,
  .applied-pressure-canvas-frame,
  .lever-canvas-frame,
  .inclined-plane-canvas-frame {
    position: absolute;
    inset: 0;
    min-height: 100%;
  }

  .lever-workspace,
  .inclined-plane-workspace {
    --overlay-column-width: min(12.5rem, calc(27% - 0.75rem));
    --overlay-column-offset: calc(var(--overlay-column-width) + 1.6rem);
  }

  .applied-pressure-workspace {
    --overlay-column-width: min(12.5rem, calc(27% - 0.75rem));
    --overlay-column-offset: calc(var(--overlay-column-width) + 1.6rem);
  }

  .pressure-controls,
  .lever-controls,
  .inclined-plane-controls {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 6;
    width: min(15rem, calc(50% - 1.35rem));
    display: grid;
    gap: 0.55rem;
    align-content: start;
    padding: 0;
    max-height: calc(100% - 2rem);
    overflow-y: auto;
    overflow-x: hidden;
    pointer-events: none;
  }

  .pressure-controls > *,
  .lever-controls > *,
  .inclined-plane-controls > * {
    pointer-events: auto;
  }

  .lever-controls,
  .inclined-plane-controls {
    width: var(--overlay-column-width);
  }

  .pressure-controls .control-grid,
  .lever-controls .control-grid,
  .inclined-plane-controls .control-grid,
  .pressure-controls .concept-card,
  .lever-controls .concept-card,
  .inclined-plane-controls .concept-card,
  .pressure-controls .metric-grid,
  .lever-controls .metric-grid,
  .inclined-plane-controls .metric-grid {
    width: 100%;
  }

  .pressure-visual__hud,
  .lever-visual__hud,
  .inclined-plane-visual__hud {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 5;
    width: min(12.5rem, calc(27% - 0.75rem));
    padding: 0;
    max-height: calc(100% - 2rem);
    overflow-y: auto;
    overflow-x: hidden;
    border: 0;
    background: transparent;
  }

  .lever-visual__hud,
  .inclined-plane-visual__hud {
    width: var(--overlay-column-width);
  }

  .pressure-overlay,
  .lever-selection,
  .inclined-plane-selection {
    width: 100%;
  }

  .pressure-overlay {
    gap: 0.42rem;
    padding: 0.48rem 0.56rem;
  }

  .pressure-gauge {
    height: 0.62rem;
  }

  .pressure-overlay__metrics {
    grid-template-columns: 1fr;
  }

  .pressure-overlay__metrics .metric-card {
    padding: 0.46rem 0.52rem;
  }

  .pressure-overlay__metrics .metric-card span {
    font-size: 0.68rem;
  }

  .pressure-overlay__metrics .metric-card strong {
    font-size: 0.78rem;
  }

  .lever-legend,
  .inclined-plane-legend {
    display: none;
  }

  .lever-selection,
  .inclined-plane-selection {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .lever-canvas-frame,
  .inclined-plane-canvas-frame {
    inset: 0.75rem 0.75rem 0.75rem var(--overlay-column-offset);
  }

  .applied-pressure-visual__hud {
    display: none;
  }

  .applied-pressure-controls {
    position: absolute;
    inset: 1rem;
    z-index: 6;
    display: block;
    padding: 0;
    pointer-events: none;
  }

  .applied-pressure-controls > * {
    pointer-events: auto;
  }

  .applied-pressure-controls .control-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--overlay-column-width);
  }

  .applied-pressure-controls .applied-pressure-actions {
    position: absolute;
    top: 13.6rem;
    left: 0;
    width: var(--overlay-column-width);
  }

  .applied-pressure-controls .metric-grid {
    position: absolute;
    top: 0;
    right: 0;
    width: var(--overlay-column-width);
  }

  .applied-pressure-controls .metric-card {
    padding: 0.46rem 0.52rem;
  }

  .applied-pressure-controls .metric-card span {
    font-size: 0.68rem;
  }

  .applied-pressure-controls .metric-card strong {
    font-size: 0.78rem;
  }

  .applied-pressure-controls .concept-card {
    position: absolute;
    left: 0;
    bottom: 0;
    width: var(--overlay-column-width);
  }

  .applied-pressure-controls .metric-grid .metric-card {
    min-width: 0;
  }

  .applied-pressure-canvas-frame {
    inset: 0.75rem 0.75rem 0.75rem var(--overlay-column-offset);
  }
}