input,
select {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

input[type="range"] {
  padding: 0;
}

.param-row {
  display: grid;
  grid-template-columns: 1fr 86px;
  gap: 8px;
  align-items: end;
}

.modebar,
.simbar,
.axis-grid,
.prob-grid {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.modebar {
  margin: 18px 0 12px;
}

.mode-help {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.84rem;
}

.mode-help span {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.modebar button.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.ghost-button.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.axis-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.axis-grid label {
  min-width: 0;
}

.plot-stack {
  display: grid;
  gap: 14px;
}

.plot-card {
  padding: 16px;
}

.plot-card__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.plot-card canvas,
.galton-canvas,
.simulation-canvas {
  display: block;
  width: 100%;
  min-height: 430px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.galton-canvas,
.simulation-canvas {
  min-height: 520px;
}

.plot-card canvas.monty-chart {
  min-height: 260px;
}

.plot-card canvas.airplane-history {
  min-height: 260px;
}

.galton-layout,
.simulation-layout {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-top: 24px;
}

.galton-status,
.simulation-status {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

.galton-status span,
.simulation-status span {
  display: grid;
  gap: 3px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--muted);
}

.galton-status strong,
.simulation-status strong {
  color: var(--ink);
  font-size: 1.05rem;
}

.monty-stage {
  display: grid;
  gap: 14px;
}

.monty-message {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--ink);
  font-weight: 760;
}

.monty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(42px, 1fr));
  gap: 8px;
}

.monty-door {
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 900;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}

.monty-door:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.monty-door:disabled {
  cursor: default;
}

.monty-door.is-picked {
  border-color: var(--coral);
  background: rgba(199, 102, 74, 0.16);
}

.monty-door.is-switch {
  border-color: var(--accent);
  background: rgba(0, 140, 140, 0.16);
}

.monty-door.is-open {
  color: var(--muted);
  background: rgba(92, 107, 119, 0.12);
  text-decoration: line-through;
}

.monty-door.is-prize {
  border-color: var(--gold);
  background: rgba(184, 137, 46, 0.18);
}

.monty-door.is-final-win {
  box-shadow: 0 0 0 3px rgba(0, 140, 140, 0.18);
}

.monty-door.is-final-loss {
  box-shadow: 0 0 0 3px rgba(199, 102, 74, 0.18);
}

.simulation-output {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.airplane-message {
  display: flex;
  align-items: center;
  min-height: calc(1.4em + 0.5cm + 24px);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--ink);
  font-weight: 760;
  line-height: 1.35;
}