.tutorial-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 78% 28%, var(--color-accent-glow), transparent 34%),
    var(--color-canvas);
}

.tutorial-hero::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--color-accent-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-accent-faint) 1px, transparent 1px);
  background-size: 44px 44px;
  content: "";
  opacity: .7;
  -webkit-mask-image: linear-gradient(90deg, transparent, var(--color-ink) 55%, transparent);
  mask-image: linear-gradient(90deg, transparent, var(--color-ink) 55%, transparent);
}

.tutorial-hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, .92fr);
  align-items: center;
  gap: 68px;
  padding-top: 82px;
  padding-bottom: 84px;
}

.tutorial-heading {
  min-width: 0;
}

.tutorial-heading h1 {
  max-width: 690px;
}

.tutorial-heading .lead {
  max-width: 650px;
}

.tutorial-heading .button-row {
  margin-top: 30px;
}

.setup-map {
  min-width: 0;
  padding: 25px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
}

.setup-map-path {
  margin-bottom: 20px;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: .75rem;
}

.setup-map-list {
  position: relative;
  padding: 0;
  list-style: none;
}

.setup-map-list::before {
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 20px;
  width: 2px;
  background: var(--color-accent-wire);
  content: "";
}

.setup-map-list li {
  position: relative;
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 16px;
}

.setup-map-list li + li {
  margin-top: 17px;
}

.setup-map-index {
  z-index: 1;
  display: inline-flex;
  width: 42px;
  height: 42px;
  flex: none;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-canvas);
  color: var(--color-accent-dark);
  box-shadow: 0 0 16px var(--color-accent-faint);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
}

.setup-map-list div {
  min-width: 0;
}

.setup-map-list strong,
.setup-map-list small {
  display: block;
}

.setup-map-list strong {
  color: var(--color-ink);
  font-size: .9rem;
}

.setup-map-list small {
  margin-top: 2px;
  color: var(--color-ink-muted);
  font-size: .76rem;
}

.tutorial-start {
  padding-bottom: 52px;
}

.tutorial-toc {
  margin-top: 40px;
  margin-bottom: 0;
}

.tutorial-step {
  position: relative;
  border-top: 1px solid var(--color-border);
  scroll-margin-top: calc(var(--header-height) + 18px);
}

.tutorial-step-raised {
  background: var(--color-panel);
}

.step-heading {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 30px;
}

.step-heading h2 {
  margin-bottom: 0;
}

.step-heading .eyebrow {
  margin-bottom: 7px;
}

.step-number {
  display: inline-flex;
  width: 50px;
  height: 50px;
  flex: none;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-canvas);
  color: var(--color-accent-dark);
  box-shadow: var(--shadow-button);
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
}

.step-intro {
  margin-bottom: 36px;
  padding-left: 20px;
  border-left: 2px solid var(--color-accent);
  color: var(--color-ink);
  font-size: 1.06rem;
  font-weight: 600;
}

.tutorial-step h3 {
  margin-top: 38px;
}

.tutorial-step p,
.tutorial-start > .reading-wrap > p {
  color: var(--color-ink-muted);
}

.tutorial-step a:not(.step-next a) {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-wire);
  text-underline-offset: 3px;
}

.mode-table {
  overflow: hidden;
  margin: 26px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-canvas);
}

.mode-row {
  display: grid;
  grid-template-columns: minmax(105px, .5fr) minmax(220px, 1.35fr) minmax(150px, .9fr);
}

.mode-row + .mode-row {
  border-top: 1px solid var(--color-border);
}

.mode-row > * {
  min-width: 0;
  padding: 14px 16px;
  color: var(--color-ink-muted);
  font-size: .86rem;
}

.mode-row > * + * {
  border-left: 1px solid var(--color-border);
}

.mode-row strong {
  color: var(--color-ink);
}

.mode-row-head {
  background: var(--color-panel-raised);
}

.mode-row-head span {
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 700;
}

.step-next {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 42px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.step-next span {
  color: var(--color-ink-muted);
  font-size: .72rem;
}

.step-next a {
  color: var(--color-accent-dark);
  font-weight: 700;
}

.finish-list {
  padding: 0;
  list-style: none;
  counter-reset: finish-step;
}

.finish-list li {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 18px;
  counter-increment: finish-step;
}

.finish-list li + li {
  margin-top: 24px;
}

.finish-list li::before {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  color: var(--color-accent-dark);
  content: counter(finish-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
}

.finish-list h3 {
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.finish-list p {
  margin-bottom: 0;
  color: var(--color-ink-muted);
}

.completion-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 30px;
  margin-top: 58px;
  padding: 30px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 100% 0, var(--color-accent-glow), transparent 42%),
    var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.completion-panel h2 {
  margin-bottom: 9px;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.completion-panel p {
  margin-bottom: 0;
  color: var(--color-ink-muted);
}

.completion-path {
  color: var(--color-accent-dark) !important;
  font-family: var(--font-mono);
  font-size: .72rem;
}

.completion-panel .button-row {
  justify-content: flex-end;
}

.tutorial-faq {
  border-top: 1px solid var(--color-border);
  background: var(--color-panel);
}

#quick-check {
  scroll-margin-top: calc(var(--header-height) + 18px);
}

@media (max-width: 900px) {
  .tutorial-hero-inner {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .setup-map {
    width: 100%;
    max-width: 620px;
  }
}

@media (max-width: 768px) {
  .tutorial-hero-inner {
    padding-top: 58px;
    padding-bottom: 62px;
  }

  .mode-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .mode-row {
    min-width: 650px;
  }

  .completion-panel {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .completion-panel .button-row {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .tutorial-hero-inner {
    gap: 36px;
    padding-top: 46px;
    padding-bottom: 50px;
  }

  .setup-map {
    padding: 20px;
  }

  .setup-map-list li {
    gap: 12px;
  }

  .setup-map-index {
    width: 38px;
    height: 38px;
  }

  .setup-map-list::before {
    left: 18px;
  }

  .step-heading {
    gap: 13px;
  }

  .step-number {
    width: 44px;
    height: 44px;
  }

  .step-intro {
    padding-left: 15px;
    font-size: .98rem;
  }

  .step-next {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .finish-list li {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .finish-list li::before {
    width: 38px;
    height: 38px;
  }

  .completion-panel {
    padding: 22px;
  }
}