:root {
  --rps-panel-bg: color-mix(in srgb, var(--button-bg) 72%, white 28%);
  --rps-panel-border: var(--button-border);
  --rps-muted: color-mix(in srgb, var(--text) 68%, var(--bg) 32%);
  --rps-grid: color-mix(in srgb, var(--rule) 78%, transparent 22%);
  --rps-axis: color-mix(in srgb, var(--text) 64%, transparent 36%);
  --rps-trajectory: color-mix(in srgb, var(--text) 28%, var(--bg) 72%);
  --rps-rock: #786452;
  --rps-paper: #b28b3a;
  --rps-scissors: #3f6f88;
  --rps-current: #111111;
}

html[data-theme="dark"] {
  --rps-panel-bg: color-mix(in srgb, var(--button-bg) 88%, black 12%);
  --rps-panel-border: var(--button-border);
  --rps-muted: color-mix(in srgb, var(--text) 72%, var(--bg) 28%);
  --rps-grid: color-mix(in srgb, var(--rule) 88%, transparent 12%);
  --rps-axis: color-mix(in srgb, var(--text) 68%, transparent 32%);
  --rps-trajectory: color-mix(in srgb, var(--text) 26%, transparent 74%);
  --rps-rock: #cba782;
  --rps-paper: #f0cf72;
  --rps-scissors: #84cfe0;
  --rps-current: #f0f6fc;
}

.content {
  min-width: 0;
}

.rps-demo {
  display: grid;
  gap: 1rem;
  width: 100%;
  min-width: 0;
}

.rps-card {
  background: var(--rps-panel-bg);
  border: 1px solid var(--rps-panel-border);
  border-radius: 16px;
  padding: 1rem;
  min-width: 0;
}

.rps-matrix-card {
  display: flex;
  flex-direction: column;
}

.rps-equation-card {
  padding: 1rem 1.125rem;
}

.rps-kicker {
  color: var(--rps-muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
}

.rps-equation {
  font-size: 1.05rem;
  margin-bottom: 0.55rem;
  overflow-x: auto;
}

.rps-vector-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  color: var(--text);
}

.rps-vector-symbol,
.rps-vector-equals {
  font-size: 1rem;
}

.rps-vector-symbol {
  font-style: italic;
  font-weight: 600;
}

.rps-vector-column {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
}

.rps-vector-bracket {
  width: 0.6rem;
  height: 3.6rem;
  flex: 0 0 auto;
  border-color: var(--text);
  border-style: solid;
  border-width: 2px 0;
}

.rps-vector-bracket-left {
  border-left-width: 2px;
}

.rps-vector-bracket-right {
  border-right-width: 2px;
}

.rps-vector-stack {
  display: inline-flex;
  flex-direction: column;
  gap: 0.32rem;
  padding: 0.1rem 0;
}

.rps-vector-entry {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.rps-vector-entry svg {
  width: 1rem;
  height: 1rem;
  display: block;
}

.rps-vector-a {
  color: var(--rps-muted);
}

.rps-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  min-width: 0;
}

.rps-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}

.rps-card-header h2 {
  font-size: 1rem;
  font-weight: 600;
}

.rps-sliders {
  display: grid;
  gap: 0.9rem;
}

.rps-slider-row {
  display: grid;
  gap: 0.45rem;
}

.rps-slider-label-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.rps-slider-value {
  font-variant-numeric: tabular-nums;
  color: var(--rps-muted);
  font-size: 0.95rem;
}

.rps-slider {
  width: 100%;
  accent-color: var(--text);
}

.rps-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.rps-run,
.rps-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.rps-button-icon,
.rps-chip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.rps-button-icon svg,
.rps-chip-icon svg {
  width: 1rem;
  height: 1rem;
}

.rps-chip,
.rps-state-pill,
.rps-table-chip,
.rps-corner-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid color-mix(in srgb, currentColor 18%, transparent 82%);
  border-radius: 999px;
  padding: 0.28rem 0.58rem;
  font-size: 0.92rem;
  background: color-mix(in srgb, currentColor 8%, transparent 92%);
}

.rps-table-chip {
  font-size: 0.84rem;
  padding: 0.24rem 0.5rem;
  gap: 0.32rem;
}

.rps-chip-rock { color: var(--rps-rock); }
.rps-chip-paper { color: var(--rps-paper); }
.rps-chip-scissors { color: var(--rps-scissors); }

.rps-current-state {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.rps-matrix-wrap {
  width: 100%;
  min-width: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1;
  overflow: visible;
}

.rps-matrix {
  border-collapse: separate;
  border-spacing: 0.35rem 0.35rem;
  width: min(100%, 520px);
  table-layout: fixed;
}

.rps-matrix col.rps-matrix-rowhead {
  width: 6.2rem;
}

.rps-matrix th,
.rps-matrix td {
  text-align: center;
  vertical-align: middle;
}

.rps-matrix-input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--button-border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  padding: 0.45rem 0.35rem;
  font: inherit;
  text-align: center;
}

.rps-simplex,
.rps-timeplot {
  width: 100%;
  height: auto;
  display: block;
}

.rps-simplex-shell {
  fill: color-mix(in srgb, var(--button-bg) 84%, transparent 16%);
  stroke: color-mix(in srgb, var(--text) 18%, transparent 82%);
  stroke-width: 2;
}

.rps-simplex-grid,
.rps-grid-line {
  stroke: var(--rps-grid);
  stroke-width: 1;
}

.rps-trajectory-backdrop,
.rps-series-backdrop {
  fill: none;
  stroke: var(--rps-trajectory);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rps-trajectory-live {
  fill: none;
  stroke: color-mix(in srgb, var(--text) 82%, transparent 18%);
  stroke-width: 2.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rps-current-dot {
  fill: var(--rps-current);
  stroke: var(--bg);
  stroke-width: 2.5;
}

.rps-axis,
.rps-time-cursor {
  stroke: var(--rps-axis);
  stroke-width: 1.6;
}

.rps-time-cursor {
  stroke-dasharray: 4 6;
}

.rps-axis-label,
.rps-legend-text {
  fill: var(--rps-muted);
  font-size: 13px;
}

.rps-series-live,
.rps-series-dot {
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rps-series-live {
  fill: none;
}

.rps-series-live.rock { stroke: var(--rps-rock); }
.rps-series-live.paper { stroke: var(--rps-paper); }
.rps-series-live.scissors { stroke: var(--rps-scissors); }

.rps-series-dot.rock {
  stroke: var(--rps-rock);
  fill: var(--rps-rock);
}

.rps-series-dot.paper {
  stroke: var(--rps-paper);
  fill: var(--rps-paper);
}

.rps-series-dot.scissors {
  stroke: var(--rps-scissors);
  fill: var(--rps-scissors);
}

.rps-corner-chip {
  font-size: 0.86rem;
  white-space: nowrap;
  justify-content: center;
  width: max-content;
}

@media (max-width: 900px) {
  .rps-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .rps-card {
    padding: 0.9rem;
  }

  .rps-card-header,
  .rps-slider-label-wrap {
    align-items: flex-start;
    flex-direction: column;
  }

  .rps-current-state {
    justify-content: flex-start;
  }

  .rps-matrix col.rps-matrix-rowhead {
    width: 6rem;
  }
}