.tutorial-page {
  background: var(--bg);
}

.tutorial-hero {
  padding: 132px 0 64px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 22%, rgba(6, 182, 212, 0.16), transparent 36%),
    radial-gradient(circle at 88% 8%, rgba(236, 72, 153, 0.16), transparent 30%),
    linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg) 100%);
}

.hero-kicker {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--accent-3);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.tutorial-hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.tutorial-hero p {
  max-width: 760px;
  color: var(--text-secondary);
  line-height: 1.78;
  margin-bottom: 28px;
}

.hero-checklist {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.check-item {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 0.83rem;
  color: var(--text-secondary);
}

.tutorial-main {
  padding: 24px 0 96px;
}

.tutorial-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 28px;
  align-items: start;
}

.tutorial-toc {
  position: sticky;
  top: 96px;
}

.toc-card {
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 18px 14px;
}

.toc-card h3 {
  font-size: 0.92rem;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.toc-card a {
  display: block;
  padding: 9px 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: var(--transition);
}

.toc-card a:hover {
  background: rgba(139, 92, 246, 0.15);
  color: var(--text);
}

.toc-card a.active {
  background: rgba(139, 92, 246, 0.18);
  color: #fff;
}

.tutorial-content {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.tutorial-section {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 30px 28px;
}

.section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.section-index {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
}

.section-head h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  letter-spacing: -0.01em;
}

.section-intro {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.action-list {
  padding-left: 22px;
  margin-bottom: 16px;
}

.action-list li {
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.callout {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.28);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.cards-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.info-card {
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.info-card.single {
  max-width: 480px;
}

.info-card h3 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.info-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

pre {
  margin-top: 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.28);
  padding: 12px 14px;
  overflow-x: auto;
}

code {
  font-family: "SF Mono", "Fira Code", "JetBrains Mono", monospace;
  font-size: 0.83rem;
}

.tutorial-code-wrap {
  margin-top: 10px;
  display: flex;
  align-items: stretch;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  overflow: hidden;
}

.tutorial-code-wrap pre {
  margin-top: 0;
  margin-bottom: 0;
  border: none;
  border-radius: 0;
  flex: 1;
  min-width: 0;
}

.tutorial-code-wrap code {
  display: block;
  white-space: pre;
}

.tutorial-copy-btn {
  flex-shrink: 0;
}

html[data-theme="light"] .tutorial-code-wrap pre {
  background: rgba(0, 0, 0, 0.04);
}

.tutorial-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 14px;
}

.tutorial-table th,
.tutorial-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  font-size: 0.88rem;
}

.tutorial-table th {
  color: var(--text);
  font-weight: 700;
}

.tutorial-table td {
  color: var(--text-secondary);
}

.steps-box {
  margin-top: 14px;
  border: 1px solid var(--border);
  background: rgba(139, 92, 246, 0.08);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.steps-box h3 {
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.steps-box ol {
  padding-left: 20px;
}

.steps-box li {
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.pipeline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.pipe-item {
  padding: 8px 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.pipe-arrow {
  color: var(--accent-1);
}

.faq-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.faq-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  padding: 14px;
}

.faq-card h3 {
  margin-bottom: 8px;
  font-size: 0.96rem;
}

.faq-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.tips-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tips-list li {
  padding-left: 16px;
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.tips-list li::before {
  content: "•";
  color: var(--accent-3);
  position: absolute;
  left: 0;
}

.resource-links {
  margin-top: 14px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.resource-links a {
  color: var(--accent-3);
  font-size: 0.88rem;
}

.resource-links a:hover {
  color: var(--accent-1);
}

.bottom-cta {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 1024px) {
  .tutorial-layout {
    grid-template-columns: 1fr;
  }

  .tutorial-toc {
    position: static;
  }

  .toc-card {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .toc-card h3 {
    grid-column: 1 / -1;
    margin-bottom: 4px;
  }
}

@media (max-width: 768px) {
  .tutorial-hero {
    padding-top: 108px;
  }

  .cards-2,
  .faq-cards {
    grid-template-columns: 1fr;
  }

  .toc-card {
    grid-template-columns: 1fr;
  }

  .tutorial-section {
    padding: 22px 18px;
  }

  .tutorial-code-wrap {
    flex-direction: column;
  }

  .tutorial-copy-btn {
    border-left: none;
    border-top: 1px solid var(--border);
  }
}