.sim-dialog {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  visibility: hidden;
  pointer-events: none;
}
.sim-dialog.is-open {
  visibility: visible;
  pointer-events: auto;
}


.sim-dialog-backdrop {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--c-ink) 60%, transparent);
  opacity: 0;
  transition: opacity var(--dur-mid);
}
.sim-dialog.is-open .sim-dialog-backdrop {
  opacity: 1;
}


.sim-dialog-card {
  position: relative;
  width: 100%;
  max-height: 96svh;
  background: var(--c-surface);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  border: 2px solid var(--c-ink);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform var(--dur-mid) var(--ease-out);
}
.sim-dialog.is-open .sim-dialog-card {
  transform: translateY(0);
}

@media (min-width: 900px) {
  .sim-dialog {
    align-items: center;
    padding: 24px;
  }
  .sim-dialog-card {
    max-width: 1100px;
    max-height: 92svh;
    border-radius: var(--r-lg);
    box-shadow: 8px 8px 0 var(--c-ink);
    transform: scale(0.97) translateY(16px);
  }
  .sim-dialog.is-open .sim-dialog-card {
    transform: scale(1) translateY(0);
  }
}


.sim-dialog-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  border-bottom: 2px solid var(--c-ink);
  background: var(--c-bg);
  flex-shrink: 0;
}

.sim-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  min-height: 44px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--c-ink);
  background: var(--c-surface);
  border: 2px solid var(--c-ink);
  border-radius: var(--r-pill);
  box-shadow: 2px 2px 0 var(--c-ink);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--dur-fast), transform var(--dur-fast);
}
.sim-back-btn:hover {
  background: var(--c-sun-tint);
  transform: translate(-1px, -1px);
}
.sim-back-btn:active {
  transform: translate(1px, 1px);
}

.sim-dialog-title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 800;
  color: var(--c-ink);
  flex: 1;
}


.sim-dialog-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--c-bg);
}


.sim-loading, .sim-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 260px;
  gap: 12px;
  color: var(--c-ink-soft);
  font-family: var(--font-display);
  font-weight: 600;
}
.sim-error {
  color: var(--c-coral-dark);
}


.sim-layout {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-areas:
    "canvas"
    "panel"
    "plots";
  height: 100%;
}
@media (min-width: 900px) {
  .sim-layout {
    grid-template-columns: 1fr 340px;
    grid-template-areas:
      "canvas panel"
      "plots panel";
  }
}

.sim-view {
  grid-area: canvas;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
}

.sim-plots {
  grid-area: plots;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 14px 14px;
}

.sim-panel {
  grid-area: panel;
  padding: 16px 18px;
  background: var(--c-surface);
  border-top: 2px solid var(--c-line);
  overflow-y: auto;
}
@media (min-width: 900px) {
  .sim-panel {
    border-top: none;
    border-left: 2px solid var(--c-line);
    position: sticky;
    top: 0;
    max-height: calc(92svh - 68px);
  }
}


.canvas-wrap {
  position: relative;
  background: var(--c-surface);
  border: 2px solid var(--c-ink);
  border-radius: var(--r-md);
  box-shadow: 2px 2px 0 var(--c-ink);
  overflow: hidden;
}
.canvas-wrap canvas {
  display: block;
  width: 100%;
  height: auto;
}


.sim-view .canvas-wrap canvas {
  height: clamp(200px, 34svh, 360px);
}
.sim-plots .canvas-wrap canvas {
  height: clamp(150px, 24svh, 220px);
}


@media (max-width: 899px) {
  .sim-view {
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--c-bg);
  }
}


.sim-section-label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
  margin-top: 16px;
  margin-bottom: 8px;
}
.sim-section-label:first-child {
  margin-top: 0;
}


.sim-readout {
  background: var(--c-bg);
  border: 1.5px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 10px 14px;
  margin-bottom: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 12px;
}
.readout-item {
  display: flex;
  flex-direction: column;
}
.readout-label {
  font-size: 0.72rem;
  color: var(--c-ink-soft);
  font-family: var(--font-display);
  font-weight: 700;
}
.readout-value {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--c-ink);
  font-weight: 700;
}


.param-row {
  margin-bottom: 12px;
}
.param-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 4px;
}
.param-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--c-ink);
}
.param-output {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent, var(--c-blue));
}

input[type="range"] {
  width: 100%;
  min-height: 44px; 
  accent-color: var(--accent, var(--c-blue));
  cursor: pointer;
}


.sim-transport {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}
.btn-transport {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding-inline: 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.92rem;
  border: 2px solid var(--c-ink);
  border-radius: var(--r-md);
  background: var(--c-surface);
  box-shadow: 2px 2px 0 var(--c-ink);
  cursor: pointer;
  transition: background var(--dur-fast), transform var(--dur-fast);
}
.btn-transport:hover {
  background: var(--c-sun-tint);
  transform: translate(-1px, -1px);
}
.btn-transport.is-playing {
  background: var(--c-sun);
}


.sim-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.btn-preset {
  padding: 6px 14px;
  min-height: 38px;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  border: 1.5px solid var(--c-ink);
  border-radius: var(--r-pill);
  background: var(--c-surface);
  cursor: pointer;
  transition: background var(--dur-fast), border-color var(--dur-fast);
}
.btn-preset:hover, .btn-preset.is-active {
  background: var(--c-sun-tint);
  border-color: var(--c-sun);
}


.sim-placeholder {
  padding: 48px var(--gutter);
  color: var(--c-ink-soft);
  font-style: italic;
  text-align: center;
  font-family: var(--font-display);
}


.py-panels-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

.py-code-section,
.py-term-section {
  width: 100%;
}

.py-code-viewer {
  background: var(--c-surface);
  border: 1.5px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--c-ink);
  overflow-x: auto;
  margin: 0;
}

.py-code-line {
  display: flex;
  align-items: baseline;
  border-radius: var(--r-sm);
  padding: 1px 4px;
  transition: background var(--dur-fast);
}

.py-code-line.is-active-line {
  background: var(--c-sun-tint);
  border-left: 3px solid var(--c-sun);
  font-weight: 700;
}

.py-line-num {
  user-select: none;
  color: var(--c-ink-soft);
  opacity: 0.6;
  width: 24px;
  flex-shrink: 0;
  text-align: right;
  margin-right: 6px;
}

.py-line-arrow {
  user-select: none;
  color: var(--c-sun);
  font-weight: bold;
  width: 14px;
  flex-shrink: 0;
}

.py-line-text {
  white-space: pre;
}


.sim-error-detail {
  font-size: 0.85rem;
  color: var(--c-ink-soft);
  margin-top: 4px;
}

.sim-toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.sim-toggle-input {
  width: 22px;
  height: 22px;
  cursor: pointer;
  accent-color: var(--accent, var(--c-blue));
}
.sim-toggle-label {
  cursor: pointer;
}
.sim-select-label {
  display: block;
  margin-bottom: 6px;
}
.sim-select {
  width: 100%;
  min-height: 44px;
  padding: 8px 12px;
  border-radius: var(--r-sm);
  border: 2px solid var(--c-ink);
  background: var(--c-surface);
  color: var(--c-ink);
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
}
.btn-action {
  width: 100%;
  margin-bottom: 12px;
}
.sim-note {
  font-size: 0.82rem;
  color: var(--c-ink-soft);
  font-style: italic;
  margin-block: 8px 12px;
}

.py-terminal-box {
  background: var(--c-term-bg);
  border-radius: var(--r-md);
  border: 1.5px solid var(--c-ink);
  box-shadow: var(--shadow-hard);
  color: var(--c-term-text);
  font-family: var(--font-mono);
  font-size: 11px;
  overflow: hidden;
}

.py-term-header {
  background: var(--c-term-header);
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid color-mix(in srgb, var(--c-surface) 10%, transparent);
}

.py-term-dots {
  display: flex;
  gap: 5px;
}

.py-term-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.py-term-dot.dot-red {
  background: var(--c-term-dot-r);
}

.py-term-dot.dot-yellow {
  background: var(--c-term-dot-y);
}

.py-term-dot.dot-green {
  background: var(--c-term-dot-g);
}

.py-term-title {
  color: var(--c-term-muted);
  font-size: 10px;
}

.py-term-body {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.py-term-cmd {
  color: var(--c-term-prompt);
}

.py-term-out {
  color: var(--c-term-output);
  font-weight: 600;
  white-space: pre-wrap;
  word-break: break-word;
}

.py-term-exit {
  color: color-mix(in srgb, var(--c-surface) 45%, transparent);
  font-style: italic;
  font-size: 10px;
}


.py-var-table-wrap {
  background: var(--c-surface);
  border: 1.5px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 10px 12px;
}

.py-var-table-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  color: var(--c-ink);
  margin-top: 0;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.py-var-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 11px;
}

.py-var-table th,
.py-var-table td {
  padding: 4px 8px;
  text-align: left;
  border-bottom: 1px solid var(--c-line);
}

.py-var-table th {
  color: var(--c-ink-soft);
  font-weight: 600;
  background: var(--c-bg);
}

.py-val-highlight {
  color: var(--c-blue);
}

.py-val-accent {
  color: var(--c-coral);
}


html.sim-open {
  overflow: hidden;
}