:root {
  --bg: #0e1116;
  --panel: #161b22;
  --ink: #d8d8d8;
  --muted: #8a8a8a;
  --accent: #f6c971;
  --line: #2a2f37;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

header, main, footer {
  max-width: 820px;
  margin: 0 auto;
  padding: 16px;
}

header h1 {
  font-weight: 600;
  font-size: 22px;
  margin: 0 0 4px;
}

.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.lead {
  color: var(--muted);
  margin: 0 0 8px;
  font-size: 14px;
}

.stage {
  position: relative;
  background: #08090c;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0;
  margin: 0;
  line-height: 0;
}

#dish {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
}

#inset {
  position: absolute;
  right: 10px;
  bottom: 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #050608;
}

.readout {
  position: absolute;
  left: 12px;
  top: 10px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  background: rgba(0,0,0,0.4);
  padding: 3px 8px;
  border-radius: 4px;
}

.caption {
  margin-top: 14px;
  border-left: 2px solid var(--accent);
  padding-left: 12px;
}

.chapter-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

#chapter-caption {
  margin: 0;
  font-size: 16px;
}

.controls {
  margin-top: 16px;
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
}

.knob-panel {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  flex: 1 1 auto;
  min-width: 280px;
}

.knob-panel input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
}

#knob-value {
  min-width: 36px;
  text-align: right;
  color: var(--accent);
}

.stepper {
  display: flex;
  gap: 8px;
}

.stepper button {
  background: var(--panel);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 8px 12px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.stepper button:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.stepper button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.stepper .stepper-restart {
  margin-left: auto;
  color: var(--muted);
  border-color: rgba(255,255,255,0.08);
}

.stepper .stepper-restart:hover:not(:disabled) {
  color: hsl(0, 70%, 70%);
  border-color: hsl(0, 70%, 50%);
}

.api-readout {
  margin-top: 10px;
  font-size: 13px;
}

.api-readout code {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--accent);
}

.speed-panel {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  flex-wrap: wrap;
}

.speed-panel label {
  min-width: 130px;
  color: var(--muted);
}

.speed-panel input[type="range"] {
  flex: 1;
  min-width: 140px;
  accent-color: var(--accent);
}

.speed-panel #speed-value {
  min-width: 56px;
  text-align: right;
  color: var(--accent);
}

.speed-hint {
  flex-basis: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 12px;
}

.math-readout {
  margin-top: 14px;
  font-size: 13px;
}

.math-readout details {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
}

.math-readout summary {
  cursor: pointer;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  user-select: none;
}

.math-block {
  margin: 10px 0 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink);
  white-space: pre;
  overflow-x: auto;
}

.knob-info {
  margin-top: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
  display: grid;
  gap: 4px;
}

.kif-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.kif-tag {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  min-width: 64px;
  text-align: right;
  flex: 0 0 auto;
}

.kif-tag.low  { color: #6fb8e0; }
.kif-tag.high { color: #f0a96a; }
.kif-tag.map  { color: #b6d180; }

.legend {
  margin-top: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 12px;
}

.legend h3 {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 8px;
  font-weight: 500;
}

.legend-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px 14px;
}

.legend-grid li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  line-height: 1.3;
}

.lg-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  flex: 0 0 auto;
}

.lg-swatch.lg-dashed {
  background: transparent !important;
  border: 1px dashed currentColor;
}

.lg-swatch.lg-ghost {
  border-style: dotted;
}

@media (max-width: 600px) {
  .legend-grid { grid-template-columns: 1fr; }
}

footer {
  margin-top: 24px;
  padding-bottom: 24px;
  font-size: 12px;
}

footer a { color: var(--muted); }

.metaphor-map {
  margin-top: 14px;
  font-size: 13px;
}

.metaphor-map details {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
}

.metaphor-map summary {
  cursor: pointer;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  user-select: none;
}

.metaphor-map .small {
  font-size: 12px;
  margin: 8px 0 10px 0;
  line-height: 1.45;
}

.mm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  line-height: 1.4;
  margin-top: 4px;
}

.mm-table thead th {
  text-align: left;
  font-weight: 600;
  color: var(--accent);
  border-bottom: 1px solid rgba(255,255,255,0.15);
  padding: 6px 8px;
  vertical-align: bottom;
}

.mm-table td {
  vertical-align: top;
  padding: 8px;
  border-bottom: 1px dashed rgba(255,255,255,0.08);
  color: var(--ink);
}

.mm-table tr:last-child td {
  border-bottom: none;
}

.mm-table td:first-child {
  color: rgba(216, 216, 216, 0.85);
  width: 28%;
}

.mm-table td:nth-child(2) {
  width: 28%;
  color: var(--accent);
}

.mm-table code {
  background: rgba(0,0,0,0.35);
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 12px;
}