/*
 * Ctrl-Z Wiki — styling for interactive widgets.
 *
 * Loaded only on pages that actually use an interactive include.
 * Colors are tuned for the ctrlz-dark scheme set in _config.yml; change the
 * custom properties below if the site theme changes.
 */

.cz-exercise {
  --cz-team-blue: #0058a9;
  --cz-team-orange: #cb5f01;
  --cz-surface: rgba(255, 255, 255, 0.04);
  --cz-surface-raised: rgba(255, 255, 255, 0.07);
  --cz-border: rgba(255, 255, 255, 0.15);
  --cz-pass: #4cc38a;
  --cz-fail: #f2777a;
  --cz-muted: rgba(255, 255, 255, 0.6);

  margin: 1.75rem 0;
  padding: 1rem 1.15rem 1.15rem;
  border: 1px solid var(--cz-border);
  border-left: 4px solid var(--cz-team-orange);
  border-radius: 6px;
  background: var(--cz-surface);
}

.cz-exercise.is-solved {
  border-left-color: var(--cz-pass);
}

.cz-exercise__header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.cz-exercise__badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  background: var(--cz-team-orange);
  color: #fff;
}

.cz-exercise__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.cz-exercise__solved-mark {
  display: none;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cz-pass);
}

.cz-exercise.is-solved .cz-exercise__solved-mark {
  display: inline;
}

.cz-exercise__prompt > :first-child {
  margin-top: 0.6rem;
}

.cz-exercise__prompt > :last-child {
  margin-bottom: 0.8rem;
}

.cz-exercise__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cz-muted);
  margin-bottom: 0.3rem;
}

.cz-exercise__code {
  display: block;
  width: 100%;
  min-height: 120px;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--cz-border);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.35);
  color: inherit;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.8rem;
  line-height: 1.5;
  tab-size: 4;
  resize: vertical;
  overflow-x: auto;
  white-space: pre;
}

.cz-exercise__code:focus {
  outline: 2px solid var(--cz-team-orange);
  outline-offset: 1px;
}

.cz-exercise__toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.7rem;
}

.cz-exercise__btn {
  font-size: 0.75rem;
}

.cz-exercise__btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.cz-exercise__status {
  font-size: 0.75rem;
  color: var(--cz-muted);
}

.cz-exercise__help {
  margin: 0.6rem 0 0;
  font-size: 0.72rem;
  color: var(--cz-muted);
}

.cz-exercise__help kbd {
  font-size: 0.72rem;
}

.cz-exercise__hints {
  margin-top: 0.8rem;
  padding: 0.6rem 0.8rem;
  border-radius: 4px;
  background: var(--cz-surface-raised);
  font-size: 0.85rem;
}

.cz-exercise__hint + .cz-exercise__hint {
  margin-top: 0.45rem;
}

.cz-exercise__output:empty {
  display: none;
}

.cz-exercise__output {
  margin-top: 0.9rem;
}

.cz-exercise__stdout,
.cz-exercise__error {
  margin-bottom: 0.8rem;
  padding: 0.55rem 0.75rem;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.35);
}

.cz-exercise__error {
  border-left: 3px solid var(--cz-fail);
}

.cz-exercise__stdout-label,
.cz-exercise__error-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cz-muted);
  margin-bottom: 0.3rem;
}

.cz-exercise__error-label {
  color: var(--cz-fail);
}

.cz-exercise__stdout pre,
.cz-exercise__error pre {
  margin: 0;
  padding: 0;
  background: none;
  border: 0;
  font-size: 0.75rem;
  line-height: 1.45;
  white-space: pre-wrap;
  overflow-x: auto;
}

/*
 * The theme styles every list inside .main-content (indent plus a generated
 * bullet). These lists carry their own pass/fail icons, so out-specify it.
 */
.cz-exercise ul.cz-exercise__checks {
  list-style: none;
  margin: 0.4rem 0 0;
  padding-left: 0;
}

.cz-exercise ul.cz-exercise__checks > li::before {
  content: none;
}

.cz-exercise__check {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  padding: 0.3rem 0;
  font-size: 0.85rem;
}

.cz-exercise__check-icon {
  flex: 0 0 auto;
  font-weight: 700;
  line-height: 1.4;
}

.cz-exercise__check.is-pass .cz-exercise__check-icon {
  color: var(--cz-pass);
}

.cz-exercise__check.is-fail .cz-exercise__check-icon {
  color: var(--cz-fail);
}

.cz-exercise__check-body {
  display: flex;
  flex-direction: column;
}

.cz-exercise__check-message {
  font-size: 0.78rem;
  color: var(--cz-fail);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  margin-top: 0.15rem;
}

.cz-exercise__verdict {
  margin: 0.6rem 0 0;
  font-size: 0.85rem;
  font-weight: 600;
}

.cz-exercise__verdict.is-pass {
  color: var(--cz-pass);
}

.cz-exercise__verdict.is-fail {
  color: var(--cz-fail);
}

.cz-exercise--missing {
  border-left-color: var(--cz-fail);
}

/* ------------------------------------------------------------------ *
 * Controller tuning simulator
 * ------------------------------------------------------------------ */

.cz-sim {
  --cz-plot-grid: rgba(255, 255, 255, 0.10);
  --cz-plot-axis: rgba(255, 255, 255, 0.40);
  --cz-plot-setpoint: #f0932b;
  --cz-plot-actual: #57a8ff;
  --cz-plot-volts: rgba(255, 255, 255, 0.30);
  --cz-plot-body: rgba(255, 255, 255, 0.70);
  --cz-plot-text: rgba(255, 255, 255, 0.55);
}

.cz-sim__stage {
  position: relative;
  margin: 0.8rem 0 0.2rem;
  border: 1px solid var(--cz-border);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.35);
}

.cz-sim__canvas {
  display: block;
  width: 100%;
  height: 240px;
}

.cz-sim__legend {
  position: absolute;
  top: 6px;
  right: 10px;
  display: flex;
  gap: 0.75rem;
  font-size: 0.68rem;
  color: var(--cz-muted);
}

.cz-sim__key::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 0;
  margin-right: 0.3rem;
  vertical-align: middle;
  border-top-width: 2px;
  border-top-style: solid;
}

.cz-sim__key--sp::before {
  border-top-style: dashed;
  border-top-color: var(--cz-plot-setpoint);
}

.cz-sim__key--actual::before {
  border-top-color: var(--cz-plot-actual);
}

.cz-sim__sliders {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.5rem 1.1rem;
  margin-top: 0.8rem;
}

.cz-sim__slider--setpoint {
  border-top: 1px dashed var(--cz-border);
  padding-top: 0.5rem;
}

.cz-sim__slider input[type="range"] {
  width: 100%;
  margin: 0;
  accent-color: var(--cz-team-orange);
}

.cz-sim__slider-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.75rem;
}

.cz-sim__gain-name {
  font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.cz-sim__gain-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--cz-muted);
}

@media (max-width: 500px) {
  .cz-sim__canvas { height: 300px; }
}

/* ------------------------------------------------------------------ *
 * Operator interface task
 * ------------------------------------------------------------------ */

.cz-oi {
  --cz-field-carpet: #16181e;
  --cz-field-line: rgba(255, 255, 255, 0.28);
  --cz-field-blue: rgba(60, 130, 220, 0.22);
  --cz-field-red: rgba(220, 70, 70, 0.18);
  --cz-field-robot: #57a8ff;
}

.cz-oi__code {
  min-height: 340px;
  font-size: 0.82rem;
  line-height: 1.6;
}

.cz-oi__stage {
  position: relative;
  margin-top: 0.9rem;
  border: 1px solid var(--cz-border);
  border-radius: 4px;
  overflow: hidden;
  outline: none;
}

.cz-oi__stage:focus-within,
.cz-oi__stage:focus {
  border-color: var(--cz-team-orange);
  box-shadow: 0 0 0 2px rgba(203, 95, 1, 0.35);
}

.cz-oi__stage:focus .cz-oi__focus-hint,
.cz-oi__stage:focus-within .cz-oi__focus-hint {
  display: none;
}

.cz-oi__canvas {
  display: block;
  width: 100%;
  aspect-ratio: 17.55 / 8.05;
  max-height: 46vh;
}

.cz-oi__focus-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  pointer-events: none;
}

.cz-oi__hud {
  position: absolute;
  top: 8px;
  left: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.cz-oi__chip {
  display: inline-flex;
  gap: 0.3rem;
  align-items: baseline;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid var(--cz-border);
  font-size: 0.68rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.cz-oi__chip.is-on {
  border-color: var(--cz-pass);
  color: var(--cz-pass);
}

.cz-oi__chip-label {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

.cz-oi__log {
  position: absolute;
  right: 8px;
  bottom: 8px;
  max-width: 55%;
  text-align: right;
  font-size: 0.7rem;
  color: var(--cz-muted);
  pointer-events: none;
}

.cz-oi__log-line + .cz-oi__log-line {
  opacity: 0.55;
}

.cz-oi__keys {
  margin-top: 0.7rem;
  font-size: 0.72rem;
}

.cz-oi__keys kbd {
  font-size: 0.7rem;
  margin-right: 0.15rem;
}

.cz-exercise .cz-oi__keys td,
.cz-exercise .cz-oi__keys th {
  padding: 0.2rem 0.5rem;
}

/* ------------------------------------------------------------------ *
 * Autonomous routine planner
 * ------------------------------------------------------------------ */

.cz-auto {
  --cz-field-carpet: #16181e;
  --cz-field-line: rgba(255, 255, 255, 0.28);
  --cz-field-blue: rgba(60, 130, 220, 0.22);
  --cz-field-red: rgba(220, 70, 70, 0.18);
}

.cz-auto__stage {
  position: relative;
  margin: 0.8rem 0 0;
  border: 1px solid var(--cz-border);
  border-radius: 4px;
  overflow: hidden;
}

.cz-auto__canvas {
  display: block;
  width: 100%;
  aspect-ratio: 17.55 / 8.05;
  max-height: 52vh;
  cursor: crosshair;
}

.cz-auto__clock {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--cz-border);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.7rem;
}

.cz-auto__limits {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 0.7rem;
  font-size: 0.73rem;
  color: var(--cz-muted);
}

.cz-auto__limits label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.cz-auto__limits input[type="range"] {
  width: 130px;
  accent-color: var(--cz-team-orange);
}

.cz-auto__limits span {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  min-width: 62px;
}

.cz-auto__steps {
  margin-top: 0.8rem;
  border: 1px solid var(--cz-border);
  border-radius: 4px;
  overflow: hidden;
}

.cz-auto__step {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.6rem;
  font-size: 0.76rem;
  cursor: pointer;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.cz-auto__step:first-child { border-top: 0; }

.cz-auto__step.is-selected {
  background: rgba(240, 147, 43, 0.14);
  box-shadow: inset 3px 0 0 var(--cz-team-orange);
}

.cz-auto__step--start,
.cz-auto__step--total {
  cursor: default;
  background: rgba(255, 255, 255, 0.04);
}

.cz-auto__step-kind {
  flex: 0 0 72px;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cz-muted);
}

.cz-auto__step-kind.is-path { color: var(--cz-plot-setpoint, #f0932b); }
.cz-auto__step-kind.is-action { color: var(--cz-pass); }
.cz-auto__step-kind.is-driveTo { color: #9b8cff; }

.cz-auto__step-body {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.cz-auto__step-body.is-over { color: var(--cz-fail); font-weight: 600; }

.cz-auto__step-time {
  flex: 0 0 auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  color: var(--cz-muted);
}

.cz-auto__step-tools {
  flex: 0 0 auto;
  display: flex;
  gap: 0.15rem;
}

.cz-auto__icon {
  width: 22px;
  height: 22px;
  padding: 0;
  border: 1px solid var(--cz-border);
  border-radius: 3px;
  background: transparent;
  color: inherit;
  font-size: 0.7rem;
  line-height: 1;
  cursor: pointer;
}

.cz-auto__icon:hover {
  border-color: var(--cz-team-orange);
  color: var(--cz-team-orange);
}

.cz-auto__num {
  width: 62px;
  padding: 0.1rem 0.25rem;
  border: 1px solid var(--cz-border);
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.3);
  color: inherit;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
}

.cz-auto__select {
  padding: 0.1rem 0.25rem;
  border: 1px solid var(--cz-border);
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.3);
  color: inherit;
  font-size: 0.72rem;
}

.cz-auto__export {
  margin-top: 0.9rem;
}

.cz-auto__export-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.cz-auto__export-head .cz-exercise__label {
  margin-bottom: 0;
}

.cz-exercise .cz-auto__code {
  margin: 0;
  padding: 0.7rem 0.8rem;
  max-height: 300px;
  overflow: auto;
  border: 1px solid var(--cz-border);
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.35);
  font-size: 0.72rem;
  line-height: 1.5;
  white-space: pre;
}

/* Mode buttons: park the mechanism where one gain is visible and hold the
   others at zero, so each step of the tuning procedure has a button. */
.cz-sim__modebar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.7rem;
}

.cz-sim__modes-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cz-muted);
}

.cz-sim__modes {
  display: inline-flex;
  border: 1px solid var(--cz-border);
  border-radius: 4px;
  overflow: hidden;
}

.cz-sim__mode {
  padding: 0.25rem 0.7rem;
  border: 0;
  border-right: 1px solid var(--cz-border);
  background: transparent;
  color: var(--cz-muted);
  font-family: inherit;
  font-size: 0.75rem;
  cursor: pointer;
}

.cz-sim__mode:last-child { border-right: 0; }

.cz-sim__mode:hover { color: var(--cz-team-orange); }

.cz-sim__mode.is-on {
  background: var(--cz-team-orange);
  color: #fff;
  font-weight: 600;
}

.cz-sim__mode:focus-visible {
  outline: 2px solid var(--cz-team-orange);
  outline-offset: -2px;
}

.cz-sim__mode-note {
  margin: 0.4rem 0 0;
  font-size: 0.76rem;
  color: var(--cz-muted);
}

.cz-sim__mode-note:empty { display: none; }

.cz-sim.is-isolating .cz-sim__stage {
  border-color: var(--cz-team-orange);
}

.cz-sim__slider input[type="range"]:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ---- planner: task, HUD, timeline strip, parallel-action chips ---- */

.cz-auto__task {
  margin: 0.6rem 0 0;
  padding: 0.5rem 0.75rem;
  border-left: 3px solid var(--cz-pass);
  background: rgba(76, 195, 138, 0.08);
  font-size: 0.85rem;
}

.cz-auto__hud {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
  max-width: 60%;
}

.cz-auto__clock.is-over {
  color: var(--cz-fail);
  border-color: var(--cz-fail);
}

/* One block per step, width proportional to how long it takes. The slack
   block at the end is whatever is left of the fifteen seconds. */
.cz-auto__strip {
  position: relative;
  display: flex;
  height: 20px;
  margin-top: 6px;
  border: 1px solid var(--cz-border);
  border-radius: 3px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.35);
}

.cz-auto__seg {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  padding: 0 2px 2px;
  border-right: 1px solid rgba(0, 0, 0, 0.5);
  cursor: pointer;
  min-width: 2px;
}

.cz-auto__seg.is-path { background: rgba(240, 147, 43, 0.45); }
.cz-auto__seg.is-driveTo { background: rgba(155, 140, 255, 0.45); }
.cz-auto__seg.is-action { background: rgba(76, 195, 138, 0.45); }
.cz-auto__seg.is-wait { background: rgba(255, 255, 255, 0.12); }
.cz-auto__seg.is-slack { background: transparent; cursor: default; border-right: 0; }
.cz-auto__seg.is-selected { outline: 1px solid #fff; outline-offset: -1px; }

.cz-auto__pip {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.cz-auto__playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #fff;
  pointer-events: none;
}

.cz-auto__parallel {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
  margin-left: 0.35rem;
}

.cz-auto__parallel-label {
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cz-muted);
}

.cz-auto__chip {
  padding: 0.05rem 0.4rem;
  border: 1px solid var(--cz-border);
  border-radius: 999px;
  background: transparent;
  color: var(--cz-muted);
  font-size: 0.68rem;
  cursor: pointer;
}

.cz-auto__chip.is-on {
  border-color: var(--chip);
  color: var(--chip);
  background: color-mix(in srgb, var(--chip) 18%, transparent);
  font-weight: 600;
}

.cz-auto__chip:hover { border-color: var(--chip); }