/* ===== Shared styles for Counter guide pages ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --accent: #6C5CE7;
  --accent-light: #a29bfe;
  --green: #00b894;
  --text-primary: #f0f0f5;
  --text-secondary: #9a9ab0;
  --text-muted: #6a6a80;
  --border: rgba(255,255,255,0.08);
  --code-bg: #12121a;
  --nav-bg: rgba(10,10,15,0.8);
  --radius: 16px;
  --font: 'Outfit', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg-primary: #f6f6fb;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --accent-light: #5a47d4;
  --green: #00997a;
  --text-primary: #16161f;
  --text-secondary: #4a4a5e;
  --text-muted: #8a8a9c;
  --border: rgba(20,20,40,0.10);
  --code-bg: #f0f0f6;
  --nav-bg: rgba(246,246,251,0.85);
  color-scheme: light;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== NAV ===== */
.nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: var(--nav-bg);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}
.nav-logo { display: flex; align-items: center; gap: 10px; color: var(--text-primary); font-weight: 700; font-size: 19px; }
.nav-logo img { width: 32px; height: 32px; border-radius: 9px; }
.nav-logo:hover { text-decoration: none; }
.nav-right { display: flex; align-items: center; gap: 18px; }
.nav-right a { color: var(--text-secondary); font-size: 14px; font-weight: 500; }
.nav-right a:hover { color: var(--text-primary); text-decoration: none; }
.nav-cta {
  background: var(--accent); color: #fff !important; padding: 9px 18px;
  border-radius: 50px; font-weight: 600; font-size: 14px;
}
.nav-cta:hover { background: var(--accent-light); }

/* theme toggle */
.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--border); background: transparent;
  color: var(--text-primary); cursor: pointer; padding: 0; flex-shrink: 0;
  transition: border-color .2s, transform .18s;
}
.theme-toggle:hover { border-color: var(--accent); transform: translateY(-1px); }
.theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.theme-toggle svg { width: 17px; height: 17px; display: block; }
.theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* ===== ARTICLE ===== */
.guide { max-width: 760px; margin: 0 auto; padding: 0 24px 80px; }

.breadcrumb { font-size: 13px; color: var(--text-muted); margin: 28px 0 10px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent-light); }

.guide h1 {
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 800; line-height: 1.15; letter-spacing: -1px;
  margin-bottom: 16px;
}
.guide .lead { font-size: 19px; color: var(--text-secondary); margin-bottom: 16px; }
.guide .meta { font-size: 13px; color: var(--text-muted); margin-bottom: 36px; }

.guide h2 {
  font-size: 26px; font-weight: 700; letter-spacing: -0.5px;
  margin: 44px 0 14px; padding-top: 12px;
}
.guide h3 { font-size: 19px; font-weight: 700; margin: 28px 0 10px; }
.guide p { margin-bottom: 16px; color: var(--text-secondary); }
.guide strong { color: var(--text-primary); }

.guide ul, .guide ol { margin: 0 0 18px 22px; color: var(--text-secondary); }
.guide li { margin-bottom: 8px; }

.guide code {
  font-family: var(--mono); font-size: 0.88em;
  background: var(--code-bg); border: 1px solid var(--border);
  padding: 2px 6px; border-radius: 6px;
}
.guide pre {
  background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; overflow-x: auto; margin: 0 0 18px;
}
.guide pre code { background: none; border: none; padding: 0; font-size: 13px; line-height: 1.6; }

/* numbered steps */
.steps { list-style: none; margin: 0 0 18px; counter-reset: step; }
.steps > li {
  position: relative; padding-left: 46px; margin-bottom: 18px;
  counter-increment: step;
}
.steps > li::before {
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
}

/* note callout */
.note {
  background: rgba(108,92,231,0.08);
  border: 1px solid rgba(108,92,231,0.25);
  border-radius: var(--radius); padding: 16px 18px; margin: 0 0 18px;
  font-size: 15px; color: var(--text-secondary);
}
.note strong { color: var(--accent-light); }

/* related guides */
.related { margin-top: 56px; border-top: 1px solid var(--border); padding-top: 32px; }
.related h2 { margin-top: 0; font-size: 20px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.related-card {
  display: block; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
  color: var(--text-primary); transition: border-color .2s, transform .18s;
}
.related-card:hover { border-color: var(--accent); transform: translateY(-3px); text-decoration: none; }
.related-card span { display: block; font-size: 13px; color: var(--accent-light); margin-bottom: 6px; }
.related-card strong { font-size: 16px; }

/* CTA */
.guide-cta {
  margin-top: 48px; text-align: center;
  background: linear-gradient(135deg, rgba(108,92,231,0.12), rgba(0,184,148,0.08));
  border: 1px solid rgba(108,92,231,0.2);
  border-radius: 24px; padding: 40px 24px;
}
.guide-cta h2 { margin-top: 0; }
.guide-cta p { margin-bottom: 24px; }
.btn-play {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--accent); color: #fff !important;
  padding: 14px 28px; border-radius: 14px; font-weight: 700; font-size: 16px;
}
.btn-play:hover { background: var(--accent-light); text-decoration: none; }

/* footer */
.site-footer {
  border-top: 1px solid var(--border); padding: 28px 24px; text-align: center;
  color: var(--text-muted); font-size: 13px;
}
.site-footer a { color: var(--text-secondary); }

@media (max-width: 560px) {
  .nav-right a:not(.nav-cta) { display: none; }
}