/* Stellar AI shared public-page polish.
   Dark-only by product decision: preserve page content and route behavior,
   standardise the outer shell, surfaces, focus states and mobile spacing. */
:root {
  color-scheme: dark;
  --stellar-bg: #09090b;
  --stellar-surface: #111114;
  --stellar-surface-raised: #17171b;
  --stellar-border: rgba(255,255,255,.11);
  --stellar-border-strong: rgba(255,255,255,.20);
  --stellar-ink: #f4f4f5;
  --stellar-muted: #a1a1aa;
  --stellar-green: #61e6bf;
}

html,
html.light {
  background: var(--stellar-bg) !important;
  color-scheme: dark !important;
}

body,
body.light {
  min-width: 320px;
  background: var(--stellar-bg) !important;
  color: var(--stellar-ink) !important;
  color-scheme: dark !important;
}

body.light::before {
  background-color: var(--stellar-bg) !important;
  background-image:
    radial-gradient(circle at 50% -10%, rgba(112,76,214,.16), transparent 34rem),
    radial-gradient(circle at 92% 76%, rgba(97,230,191,.06), transparent 24rem) !important;
}

body > nav {
  min-height: 66px;
  padding: 13px max(20px, 5vw);
  padding-top: max(13px, env(safe-area-inset-top));
  border-bottom: 1px solid var(--stellar-border) !important;
  background: rgba(9,9,11,.86) !important;
  box-shadow: 0 12px 34px rgba(0,0,0,.16);
  -webkit-backdrop-filter: blur(16px) saturate(1.1);
  backdrop-filter: blur(16px) saturate(1.1);
}

/* Keep sticky public navigation below iPhone’s status-bar safe area. */
.site-header {
  padding-top: env(safe-area-inset-top);
}

body > nav .nav-logo,
body > nav .brand {
  color: var(--stellar-ink);
  letter-spacing: -.035em;
}

body > nav .nav-cta,
body > nav a[href="/app"] {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 16px;
  border: 1px solid rgba(97,230,191,.34);
  border-radius: 999px;
  color: #061c16 !important;
  background: var(--stellar-green) !important;
  box-shadow: 0 8px 24px rgba(97,230,191,.13);
  font-weight: 800;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}

body > nav .nav-cta:hover,
body > nav a[href="/app"]:hover {
  transform: translateY(-1px);
  color: #04130f !important;
  background: #8af0d0 !important;
  box-shadow: 0 12px 30px rgba(97,230,191,.20);
}

.container,
.wrap {
  width: min(calc(100% - 32px), 1120px);
}

/* Long-form content stays readable instead of becoming a wall of text. */
.container > h1,
.container > h2,
.container > h3,
.container > p,
.container > ul,
.container > ol,
.container > .code-block,
.container > .tip-box,
.container > .callout,
.container > .cta-box,
.wrap > .sheet {
  text-wrap: pretty;
}

.container p,
.wrap p {
  color: var(--stellar-muted);
}

.container h1,
.container h2,
.container h3,
.wrap h1,
.wrap h2,
.wrap h3 {
  color: var(--stellar-ink);
}

.related-card,
.card,
.guide-card,
.post-card,
.tip-box,
.callout,
.cta-box {
  border-color: var(--stellar-border);
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}

.related-card:hover,
.card:hover,
.guide-card:hover,
.post-card:hover {
  transform: translateY(-2px);
  border-color: var(--stellar-border-strong) !important;
  background: rgba(255,255,255,.07) !important;
  box-shadow: 0 16px 36px rgba(0,0,0,.18);
}

.table-wrap {
  border-color: var(--stellar-border) !important;
  background: rgba(255,255,255,.018);
  -webkit-overflow-scrolling: touch;
}

.table-wrap table th {
  color: var(--stellar-ink);
  background: var(--stellar-surface-raised);
}

.table-wrap table td {
  color: var(--stellar-muted);
}

.sheet,
.related,
.related-card,
.cta-box,
.tip-box,
.callout {
  color: var(--stellar-ink) !important;
  background: var(--stellar-surface) !important;
  border-color: var(--stellar-border) !important;
  box-shadow: 0 18px 48px rgba(0,0,0,.20) !important;
}

.sheet h1,
.sheet h2,
.sheet h3,
.related h2,
.related-card h4,
.cta-box h2,
.cta-box h3 {
  color: var(--stellar-ink) !important;
}

.sheet p,
.related-card p,
.cta-box p,
.tip-box p,
.callout p {
  color: var(--stellar-muted) !important;
}

.terms-x {
  color: var(--stellar-ink) !important;
  background: rgba(24,24,27,.88) !important;
  border-color: var(--stellar-border-strong) !important;
}

.back,
.cta-btn {
  color: #061c16 !important;
  background: var(--stellar-green) !important;
  border-color: rgba(97,230,191,.34) !important;
}

.updated,
.legal-draft {
  color: var(--stellar-muted) !important;
  background: rgba(255,255,255,.04) !important;
  border-color: var(--stellar-border) !important;
}

.copyright,
.foot,
footer,
.footer-copy,
.footer-links a {
  color: var(--stellar-muted) !important;
}

:where(a, button, input, textarea, select):focus-visible {
  outline: 3px solid rgba(97,230,191,.88);
  outline-offset: 3px;
}

@media (max-width: 700px) {
  body > nav {
    gap: 12px;
    padding-inline: 16px;
  }

  body > nav .nav-logo,
  body > nav .brand {
    font-size: 16px;
  }

  body > nav .nav-cta,
  body > nav a[href="/app"] {
    min-height: 44px;
    padding-inline: 13px;
    font-size: 12px;
  }

  .container,
  .wrap {
    width: min(calc(100% - 32px), 1120px);
  }

  .related-grid {
    grid-template-columns: 1fr !important;
  }

  .table-wrap {
    margin-inline: -2px;
  }

  footer {
    padding-inline: 16px !important;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 10px 14px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

.theme-status,
.top-theme-toggle {
  cursor: default !important;
}

.theme-status:hover,
.top-theme-toggle:hover {
  transform: none !important;
}