/* All Is Motion figure: the robustness ratchet. Colours come from the --aim-* tokens set on .aim-page / .aim-arch. */
.aim-rt {
  margin: 0;
  border: 1px solid var(--aim-line);
  background: var(--aim-paper);
  color: var(--aim-ink);
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}

.aim-rt-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--aim-line);
}

.aim-rt button {
  font: 12px/1 Arial, "Helvetica Neue", Helvetica, sans-serif;
  letter-spacing: .06em;
  color: var(--aim-muted);
  background: transparent;
  border: 1px dashed var(--aim-line);
  border-radius: 0;
  padding: 8px 10px;
  cursor: pointer;
}

.aim-rt button:hover {
  color: var(--aim-ink);
  border-color: var(--aim-ink);
}

.aim-rt button:focus-visible,
.aim-rt input:focus-visible {
  outline: 2px solid var(--aim-accent);
  outline-offset: 2px;
}

.aim-rt-step span {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  opacity: .7;
}

.aim-rt-step.is-reached {
  border-style: solid;
  border-color: var(--aim-muted);
  color: var(--aim-ink);
}

.aim-rt button.aim-rt-step.is-current,
.aim-rt-controls button.is-on {
  border-style: solid;
  border-color: var(--aim-ink);
  background: var(--aim-ink);
  color: var(--aim-paper);
}

.aim-rt-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.aim-rt-panels > svg + svg { border-left: 1px solid var(--aim-line); }

.aim-rt-svg {
  display: block;
  width: 100%;
  height: auto;
}

.aim-rt-title {
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  fill: var(--aim-muted);
}

.aim-rt-note {
  font-size: 11px;
  fill: var(--aim-muted);
}

.aim-rt-note.is-accent { fill: var(--aim-accent); }

.aim-rt-sym {
  font: italic 15px Georgia, "Times New Roman", serif;
  fill: var(--aim-accent);
}

.aim-rt-status {
  font-size: 11px;
  letter-spacing: .06em;
  fill: var(--aim-accent);
}

.aim-rt-status.is-engaged { fill: var(--aim-ink); font-weight: bold; }


.aim-rt-foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px 24px;
  align-items: start;
  padding: 14px 16px;
  border-top: 1px solid var(--aim-line);
}

.aim-rt-caption {
  margin: 0;
  max-width: 64ch;
  min-height: 4.5em;
  font: 16px/1.5 Georgia, "Times New Roman", serif;
}

.aim-rt-side { display: grid; gap: 8px; justify-items: start; }

.aim-rt-readout {
  grid-column: 1 / -1;
  margin: 0;
  min-height: 1.3em;
  font: 12px/1.3 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
  color: var(--aim-accent);
}

.aim-rt-source {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 11px;
  color: var(--aim-muted);
}

@media (max-width: 640px) {
  .aim-rt-panels { grid-template-columns: minmax(0, 1fr); }
  .aim-rt-panels > svg + svg { border-left: 0; border-top: 1px solid var(--aim-line); }
  .aim-rt-foot { grid-template-columns: minmax(0, 1fr); }
}


.aim-rt-axes line { stroke: var(--aim-muted); stroke-width: 1; }
.aim-rt-axes text { font: 10.5px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; fill: var(--aim-muted); }
.aim-rt-axis-title, .aim-rt-axes .aim-rt-axis-title { font: 11px Arial, "Helvetica Neue", Helvetica, sans-serif; fill: var(--aim-muted); }

/* Selection on cost */
.aim-rt-held { fill: none; stroke: var(--aim-accent); stroke-width: 2.4; }
.aim-rt-alt { fill: none; stroke: var(--aim-muted); stroke-width: 1.6; stroke-dasharray: 6 4; transition: stroke .4s, stroke-width .4s; }
.aim-rt-alt.is-lit { stroke: var(--aim-ink); stroke-width: 2.4; }
.aim-rt-note.is-lit { fill: var(--aim-ink); font-weight: bold; }
.aim-rt-without { fill: none; stroke: var(--aim-ink); stroke-width: 1.6; transition: stroke-width .4s; }
.aim-rt-without.is-lit { stroke-width: 2.6; }
.aim-rt-survive { stroke: var(--aim-muted); stroke-width: 1; stroke-dasharray: 3 3; }
.aim-rt-marker { stroke: var(--aim-ink); stroke-width: 1; stroke-opacity: .35; }
.aim-rt-gap { stroke: var(--aim-ink); stroke-width: 3; transition: opacity .4s; }
.aim-rt-dot-held { fill: var(--aim-accent); }
.aim-rt-dot-alt { fill: var(--aim-paper); stroke: var(--aim-muted); stroke-width: 2; }
.aim-rt-dot-wo { fill: var(--aim-ink); }
.aim-rt-dot-wo.is-fail { fill: var(--aim-paper); stroke: var(--aim-ink); stroke-width: 2; }
.aim-rt-turn { font: italic 17px Georgia, "Times New Roman", serif; fill: var(--aim-accent); }
.aim-rt-wheel path { fill: var(--aim-line); stroke: var(--aim-muted); stroke-width: 1; }
.aim-rt-wheel circle { fill: var(--aim-muted); }
.aim-rt-wheel .aim-rt-pawl { fill: none; stroke: var(--aim-ink); stroke-width: 2; stroke-linecap: round; }

/* The demand space */
.aim-rt-tol { fill: var(--aim-line); fill-opacity: .35; stroke: var(--aim-muted); stroke-dasharray: 3 3; }
.aim-rt-cap { fill: var(--aim-accent); fill-opacity: .1; stroke: var(--aim-accent); stroke-opacity: .35; }
.aim-rt-cap.is-next { fill-opacity: .06; stroke-dasharray: 4 3; }
.aim-rt-opt { fill: var(--aim-ink); }
.aim-rt-theta line { stroke: var(--aim-accent); stroke-width: 2.2; }
.aim-rt-theta path { fill: var(--aim-accent); }
.aim-rt-probe { fill: var(--aim-muted); }
.aim-rt-probe.is-fail { fill: var(--aim-paper); stroke: var(--aim-ink); stroke-width: 2; }

/* Slider and conditions */
.aim-rt-slider {
  display: grid;
  gap: 4px;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--aim-muted);
}

.aim-rt-slider input { width: 180px; accent-color: var(--aim-accent); }

.aim-rt-conds {
  grid-column: 1 / -1;
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font: 12px/1.3 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--aim-muted);
}

.aim-rt-conds li::before { content: "○ "; }
.aim-rt-conds li.is-met { color: var(--aim-accent); }
.aim-rt-conds li.is-met::before { content: "● "; }

@media (prefers-reduced-motion: reduce) {
  .aim-rt-alt, .aim-rt-without, .aim-rt-gap { transition: none; }
}