:root {
  --bg: #05020b;
  --bg-soft: #11071d;
  --panel: rgba(20, 11, 33, 0.82);
  --panel-strong: rgba(28, 16, 44, 0.92);
  --panel-soft: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.1);
  --line-soft: rgba(255, 255, 255, 0.06);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #fcf9ff;
  --muted: rgba(252, 249, 255, 0.76);
  --faint: rgba(252, 249, 255, 0.54);
  --accent: #ffc107;
  --accent-bright: #ffe183;
  --accent-code: #d8e8ff;
  --electric: #7c4dff;
  --blue: #2979ff;
  --teal: #00bfa5;
  --good: #22c55e;
  --warn: #f59e0b;
  --code: #0b0712;
  --surface-sheen: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
  --wrap: min(1240px, calc(100% - 48px));
  --radius-card: 18px;
  --radius-panel: 18px;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.26), 0 2px 10px rgba(0, 0, 0, 0.18);
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", monospace;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  position: relative;
  background:
    radial-gradient(ellipse 80% 50% at 12% 18%, rgba(41, 121, 255, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 76% 8%, rgba(124, 77, 255, 0.18), transparent),
    radial-gradient(ellipse 70% 50% at 52% 72%, rgba(255, 64, 129, 0.08), transparent),
    radial-gradient(ellipse 50% 60% at 90% 50%, rgba(0, 191, 165, 0.07), transparent),
    radial-gradient(ellipse 40% 30% at 30% 90%, rgba(123, 31, 162, 0.12), transparent),
    linear-gradient(180deg, #06020e 0%, #0a0318 34%, #100520 100%);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  opacity: 0.32;
  z-index: 0;
}

.wrap,
.site-nav > .wrap,
.page,
.footer {
  position: relative;
  z-index: 1;
}

a {
  color: inherit;
}

code,
pre {
  font-family: var(--font-mono);
}

code {
  color: #f8d66d;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  padding: 10px 14px;
  border-radius: 0 0 12px 12px;
  background: #fff;
  color: #000;
  font-weight: 700;
  z-index: 100;
}

.skip-link:focus {
  left: 20px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

.wrap {
  width: var(--wrap);
  margin: 0 auto;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 2, 12, 0.72);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(20px) saturate(140%);
}

.nav-row {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  margin-right: auto;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand img {
  width: 86px;
  height: auto;
  display: block;
}

.brand span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.nav-links {
  display: inline-flex;
  gap: 18px;
}

.nav-links a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--text);
}

.page {
  padding: 44px 0 72px;
}

.guide-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 88px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--surface-sheen), var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px) saturate(130%);
}

.toc strong {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}

.toc a {
  display: block;
  padding: 8px 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
  text-decoration: none;
}

.toc a:hover {
  color: var(--text);
}

.article {
  min-width: 0;
}

.breadcrumb {
  margin: 0 0 12px;
  color: var(--faint);
  font-size: 13px;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  max-width: 22ch;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(120deg, #ffffff 0%, #d4cdff 42%, #83c7ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2 {
  margin-top: 48px;
  padding-top: 30px;
  border-top: 1px solid var(--line-soft);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 800;
}

h3 {
  margin-top: 26px;
  font-size: 1.12rem;
  font-weight: 800;
}

.lead {
  max-width: 72ch;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.summary {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.guide-visual {
  margin: 18px 0 28px;
}

.guide-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: var(--panel);
}

.view-switch {
  margin-top: 30px;
  padding: 6px;
  width: fit-content;
  display: inline-flex;
  gap: 6px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-panel);
  background: var(--panel);
}

.view-tab {
  min-height: 38px;
  padding: 0 14px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.view-tab:hover {
  color: var(--text);
}

.view-tab[aria-selected="true"] {
  background: var(--accent);
  color: #171102;
}

.guide-view[hidden] {
  display: none;
}

.summary-card,
.note,
.step,
.card,
.failure {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface-sheen), var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px) saturate(130%);
  transition:
    border-color 240ms ease,
    transform 240ms ease,
    box-shadow 240ms ease;
}

.summary-card {
  padding: 20px;
}

.summary-card strong {
  display: block;
  margin-bottom: 8px;
}

.summary-card span,
.card p,
.step p,
.failure p,
.note p {
  color: var(--muted);
}

.section-copy {
  max-width: 78ch;
  margin-top: 18px;
  margin-bottom: 18px;
  color: var(--muted);
}

.steps {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.step {
  padding: 20px;
}

.step h3 {
  margin-top: 0;
}

.command {
  position: relative;
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--code);
  overflow: hidden;
}

.command pre {
  margin: 0;
  padding: 18px 56px 18px 18px;
  color: #f7f7fb;
  font-size: 13px;
  line-height: 1.75;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.copy {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #15151d;
  color: var(--muted);
  cursor: pointer;
}

.copy:hover,
.copy.copied {
  color: var(--text);
  border-color: var(--accent);
}

.copy svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.note {
  margin-top: 20px;
  padding: 18px 20px;
  border-color: rgba(255, 193, 7, 0.32);
  background: rgba(255, 193, 7, 0.08);
}

.note p {
  margin: 0;
  color: #f8e2a0;
}

.agent-prompt {
  margin-top: 20px;
}

.agent-prompt .command pre {
  color: #f2f7ff;
}

.flow-diagram {
  margin-top: 24px;
  padding-top: 4px;
}

.flow-diagram h3 {
  margin-top: 0;
}

.flow-steps {
  counter-reset: flow-step;
  position: relative;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
}

.flow-steps::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, rgba(255, 193, 7, 0.16), rgba(255, 193, 7, 0.86), rgba(255, 193, 7, 0.16));
}

.flow-steps li {
  counter-increment: flow-step;
  position: relative;
  min-width: 0;
  padding: 52px 10px 0;
  text-align: center;
}

.flow-steps li::before {
  content: counter(flow-step);
  position: absolute;
  z-index: 1;
  top: 0;
  left: 50%;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 193, 7, 0.72);
  border-radius: 999px;
  background: #15151c;
  box-shadow: 0 0 0 7px #0b0b10, 0 12px 28px rgba(0, 0, 0, 0.28);
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  line-height: 40px;
  transform: translateX(-50%);
}

.flow-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.flow-steps strong {
  display: block;
  font-size: 14px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.flow-steps span:last-child {
  display: block;
  max-width: 18ch;
  margin: 7px auto 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.ask-help {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.ask-help h3 {
  margin-top: 0;
}

.ask-help .command {
  margin-top: 14px;
}

.note a {
  color: var(--accent-bright);
  text-decoration: underline;
}

.related-next {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.related-next h3 {
  margin: 0 0 8px;
}

.related-next p {
  margin: 8px 0 0;
  color: var(--muted);
}

.next-link {
  color: var(--accent-bright);
  font-weight: 800;
  text-decoration: none;
}

.next-link:hover {
  text-decoration: underline;
}

.related-next a:not(.next-link) {
  color: var(--accent-bright);
  text-decoration: none;
}

.related-next a:not(.next-link):hover {
  text-decoration: underline;
}

.grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 20px;
  text-decoration: none;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow:
    0 16px 40px rgba(0, 0, 0, 0.26),
    0 2px 10px rgba(0, 0, 0, 0.18),
    0 0 0 1px rgba(124, 77, 255, 0.08);
}

.card h3 {
  margin-top: 0;
}

.card span {
  display: inline-flex;
  margin-top: 12px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.failure-list {
  margin: 20px 0 0;
  display: grid;
  gap: 14px;
}

.failure {
  padding: 20px;
}

.failure strong {
  display: block;
  margin-bottom: 8px;
}

.failure p {
  margin: 0;
}

.failure-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.checklist {
  margin: 20px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.checklist li + li {
  margin-top: 8px;
}

.table-wrap {
  margin-top: 20px;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-panel);
  background: var(--panel);
}

.matrix {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.matrix th,
.matrix td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
}

.matrix th {
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.matrix td {
  color: var(--muted);
  font-size: 14px;
}

.matrix tr:last-child td {
  border-bottom: 0;
}

.footer {
  padding: 28px 0 44px;
  color: var(--faint);
  font-size: 13px;
}

.footer-row {
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer a {
  color: var(--accent);
  text-decoration: none;
}

@media (max-width: 900px) {
  .guide-shell {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  .summary,
  .grid,
  .flow-steps {
    grid-template-columns: 1fr;
  }

  .flow-steps {
    gap: 0;
    margin-left: 6px;
  }

  .flow-steps::before {
    top: 20px;
    bottom: 8px;
    left: 20px;
    right: auto;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, rgba(255, 193, 7, 0.16), rgba(255, 193, 7, 0.86), rgba(255, 193, 7, 0.16));
  }

  .flow-steps li {
    min-height: 92px;
    padding: 0 0 22px 62px;
    text-align: left;
  }

  .flow-steps li::before {
    left: 0;
    transform: none;
  }

  .flow-steps span:last-child {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
  }
}

@media (max-width: 680px) {
  :root {
    --wrap: min(100% - 24px, 1160px);
  }

  .nav-row {
    padding: 12px 0;
    flex-wrap: wrap;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    gap: 14px;
  }

  .page {
    padding-top: 28px;
  }
}