.demo-tour-help {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font: 700 7px/1 Inter, sans-serif;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
}

.demo-tour-help:hover,
.demo-tour-help:focus-visible { background: color-mix(in srgb, var(--ink) 7%, var(--paper)); }

.demo-tour-help:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.demo-tour-help-icon {
  display: inline-grid;
  width: 15px;
  height: 15px;
  flex: 0 0 15px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font: 800 9px/1 Georgia, serif;
  text-transform: none;
}

body[data-topic=systems] .agent-runtime-control .demo-tour-help,
body[data-topic=work] .contract-runtime-control .demo-tour-help {
  width: auto;
  min-width: 0;
  height: 30px;
  padding: 0 9px;
  border-color: var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-size: 7px;
}

body[data-topic=systems] .agent-runtime-control .demo-tour-help:hover,
body[data-topic=systems] .agent-runtime-control .demo-tour-help:focus-visible,
body[data-topic=work] .contract-runtime-control .demo-tour-help:hover,
body[data-topic=work] .contract-runtime-control .demo-tour-help:focus-visible {
  border-color: var(--ink);
  background: color-mix(in srgb, var(--ink) 7%, var(--paper));
  color: var(--ink);
}

body.demo-tour-hint-open { overflow: hidden; }
body.demo-tour-coach-open { overflow: hidden; }

.demo-tour-hint,
.demo-tour-coach {
  --demo-tour-paper: #f2f3ef;
  --demo-tour-ink: #19211d;
  --demo-tour-muted: #68716b;
  color: var(--demo-tour-ink);
  box-sizing: border-box;
}

.demo-tour-hint[hidden],
.demo-tour-coach[hidden] { display: none; }

.demo-tour-hint-backdrop {
  position: fixed;
  z-index: 128;
  inset: 0;
  background: color-mix(in srgb, var(--demo-tour-paper) 78%, transparent);
  backdrop-filter: grayscale(.85) saturate(.25) blur(1px);
}

.demo-tour-hint-card {
  position: fixed;
  z-index: 129;
  top: 50%;
  left: 50%;
  width: min(520px, calc(100vw - 32px));
  padding: 26px 28px 24px;
  border: 1px solid var(--demo-tour-ink);
  background: var(--demo-tour-paper);
  box-shadow: 0 18px 54px color-mix(in srgb, var(--demo-tour-ink) 18%, transparent);
  transform: translate(-50%, -50%);
  box-sizing: border-box;
}

.demo-tour-eyebrow {
  margin: 0 0 10px;
  color: var(--accent, var(--demo-tour-ink));
  font: 800 7px/1 Inter, sans-serif;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.demo-tour-hint-card h2,
.demo-tour-coach-card h2 {
  margin: 0;
  color: var(--demo-tour-ink);
  font: 400 31px/1.05 Georgia, serif;
}

.demo-tour-hint-card > p:not(.demo-tour-eyebrow),
.demo-tour-coach-card > p:not(.demo-tour-eyebrow) {
  margin: 14px 0 0;
  color: var(--demo-tour-muted);
  font: 12px/1.55 Inter, sans-serif;
}

.demo-tour-hint-card > p + p:not(.demo-tour-eyebrow) { margin-top: 9px; }

.demo-tour-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 21px;
}

.demo-tour-actions button {
  min-width: 0;
  min-height: 34px;
  padding: 0 16px;
  border: 1px solid var(--demo-tour-ink);
  border-radius: 0;
  background: transparent;
  color: var(--demo-tour-ink);
  font: 800 7px/1 Inter, sans-serif;
  letter-spacing: .04em;
  text-transform: uppercase;
  cursor: pointer;
}

.demo-tour-actions .primary {
  color: var(--demo-tour-paper);
  background: var(--demo-tour-ink);
}

.demo-tour-actions button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent, var(--demo-tour-ink)) 38%, transparent);
  outline-offset: 2px;
}

.demo-tour-coach::before {
  content: "";
  position: fixed;
  z-index: 129;
  inset: 0;
  background: transparent;
}

.demo-tour-coach-focus {
  position: fixed;
  z-index: 130;
  left: var(--demo-tour-left, 50%);
  top: var(--demo-tour-top, 50%);
  width: var(--demo-tour-width, 44px);
  height: var(--demo-tour-height, 32px);
  border: 2px solid var(--demo-tour-ink);
  background: transparent;
  box-shadow: 0 0 0 9999px color-mix(in srgb, var(--demo-tour-paper) 82%, transparent), 0 0 0 5px color-mix(in srgb, var(--demo-tour-ink) 16%, transparent);
  pointer-events: none;
  transition: left .28s ease, top .28s ease, width .28s ease, height .28s ease;
  box-sizing: border-box;
}

.demo-tour-coach-focus::after {
  content: attr(data-step);
  position: absolute;
  top: -17px;
  left: -17px;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  color: var(--demo-tour-paper);
  background: var(--demo-tour-ink);
  font: 900 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .04em;
}

.demo-tour-coach-card {
  position: fixed;
  z-index: 131;
  left: 50%;
  bottom: 28px;
  width: min(450px, calc(100vw - 32px));
  padding: 22px 24px 20px;
  border: 1px solid var(--demo-tour-ink);
  background: var(--demo-tour-paper);
  box-shadow: 0 16px 46px color-mix(in srgb, var(--demo-tour-ink) 20%, transparent);
  transform: translateX(-50%);
  box-sizing: border-box;
}

.demo-tour-coach-card.demo-tour-coach-card-top {
  top: 28px;
  bottom: auto;
}

.demo-tour-coach-card .demo-tour-eyebrow { margin-bottom: 9px; }
.demo-tour-coach-card h2 { font-size: 27px; }
.demo-tour-coach-card .demo-tour-actions { margin-top: 18px; }

@media(max-width:640px) {
  body[data-topic=systems] .agent-runtime-control .demo-tour-help,
  body[data-topic=work] .contract-runtime-control .demo-tour-help {
    align-self: flex-end;
    width: auto;
  }

  .demo-tour-hint-card {
    top: 92px;
    right: 16px;
    left: 16px;
    width: auto;
    padding: 23px 20px 20px;
    transform: none;
  }

  .demo-tour-hint-card .demo-tour-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .demo-tour-hint-card .demo-tour-actions button { width: 100%; }

  .demo-tour-coach-card,
  .demo-tour-coach-card.demo-tour-coach-card-top {
    top: auto;
    right: 16px;
    bottom: 16px;
    left: 16px;
    width: auto;
    padding: 20px;
    transform: none;
  }

  .demo-tour-coach-card.demo-tour-coach-card-top {
    top: 16px;
    bottom: auto;
  }

  .demo-tour-coach-card .demo-tour-actions button {
    flex: 1;
    min-width: 0;
  }
}

@media(prefers-reduced-motion:reduce) {
  .demo-tour-coach-focus { transition-duration: .01ms; }
}