:root {
  --bg: #080909;
  --surface: #0e1010;
  --text: #e1e2e2;
  --text-secondary: #8f9191;
  --accent: #91AAA6;
  --border: rgba(255, 255, 255, 0.04);
  --code-bg: rgba(255, 255, 255, 0.015);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* Nav */

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2rem 1.5rem 0;
  max-width: 960px;
  margin: 0 auto;
  position: relative;
}

.nav-mark {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-mark img { height: 18px; }

.nav-links { display: flex; gap: 0.25rem; list-style: none; }

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.375rem 0.75rem;
  border-radius: 4px;
  transition: none;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text);
  background: var(--code-bg);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font);
  font-size: 0.8125rem;
}

/* Hero */

.hero { max-width: 960px; margin: 0 auto; padding: 4rem 1.5rem 1rem; }

.hero h1 { font-size: 2rem; font-weight: 500; margin-bottom: 0.75rem; }
.hero p { color: var(--text-secondary); max-width: 40rem; }

/* Doc section navigation */

.doc-nav {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
}

.doc-nav a {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.doc-nav a:hover, .doc-nav a.active {
  color: var(--text);
  background: var(--code-bg);
}

/* Content */

.page { max-width: 960px; margin: 0 auto; padding: 3rem 1.5rem 5rem; }

.page section { margin-bottom: 3rem; }

.page h2 {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 1rem;
  padding-top: 1rem;
}

.page h3 { font-size: 1rem; font-weight: 500; margin: 1.5rem 0 0.5rem; }

.page p { margin-bottom: 1rem; color: var(--text); }

.page ul, .page ol { margin: 0 0 1rem 1.5rem; }

.page li { margin-bottom: 0.375rem; }

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

code {
  font-family: var(--mono);
  font-size: 0.875rem;
  background: var(--code-bg);
  border-radius: 4px;
  padding: 0.125rem 0.375rem;
}

pre code { background: none; padding: 0; }

/* Cards (index links) */

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text);
  text-decoration: none;
}

.card:hover { border-color: rgba(255, 255, 255, 0.12); text-decoration: none; }

.card-name { font-size: 0.9375rem; font-weight: 500; margin-bottom: 0.25rem; }
.card-desc { font-size: 0.875rem; color: var(--text-secondary); }

/* Tables */

table { width: 100%; border-collapse: collapse; margin-bottom: 1.5rem; font-size: 0.875rem; }

th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); vertical-align: top; }

th { color: var(--text-secondary); font-weight: 500; }

/* Footer */

footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

footer p { color: rgba(255, 255, 255, 0.5); font-size: 0.8125rem; }

/* Mobile */

@media (max-width: 768px) {
  nav { padding: 1.25rem 1rem 0; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.25rem;
    flex-direction: column;
    gap: 0;
    z-index: 100;
    margin: 0.5rem 1rem 0;
  }
  .nav-links.active { display: flex; }
  .nav-links a { padding: 0.75rem 1rem; font-size: 1rem; border-radius: 0; }
  .mobile-menu-toggle { display: flex; align-items: center; padding: 0.75rem 1rem; min-height: 44px; min-width: 44px; }
  .hero { padding-top: 2.5rem; }
}