/* Shared styles for the Radia documentation pages.
   Palette is the dev console's own dark theme (src/ui/index.html), so the docs and the product
   look like the same thing. State colours are the ones the console paints records with. */

:root {
  --bg: #0e0e11;
  --bg-secondary: #17171b;
  --border: #2a2a31;
  --text: #e8e8ea;
  --text-secondary: #9ca3af;
  --accent: #818cf8;
  --accent-secondary: #6366f1;
  --code-bg: #1e1e24;

  /* Record states, as the console draws them. */
  --avail: #60a5fa;
  --leased: #fbbf24;
  --consumed: #9ca3af;
  --dead: #f87171;
  --ok: #4ade80;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

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

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, .code-title {
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
}

/* Nav */
nav {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

nav .brand {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

nav .brand svg { display: block; }

nav .brand:hover { color: var(--accent); text-decoration: none; }

nav .links { display: flex; gap: 22px; font-size: 0.9rem; align-items: center; }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-toggle { cursor: pointer; }
.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  padding-top: 8px;
  z-index: 100;
}
.dropdown-menu-inner {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 0;
  min-width: 190px;
}
.dropdown-menu a {
  display: block;
  padding: 6px 16px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.dropdown-menu a:hover {
  color: var(--text);
  background: var(--bg);
  text-decoration: none;
}
.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu { display: block; }

/* Hero */
.hero {
  padding: 64px 0 48px;
  border-bottom: 1px dashed var(--border);
}

.hero h1 {
  font-size: 2.2rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.hero .subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 660px;
  margin-bottom: 28px;
}

.hero .subtitle strong { color: var(--text); font-weight: 600; }

.run-command {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  margin-top: 16px;
  display: inline-block;
}

.run-command .prompt { color: var(--accent); }
.run-note {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 8px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

/* Sections */
section { padding: 56px 0; border-bottom: 1px dashed var(--border); }
section:last-of-type { border-bottom: none; }

section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

section h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 8px;
}

.section-claim {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-style: italic;
}

section p { margin-bottom: 16px; }
section ul, section ol { margin: 0 0 16px 22px; }
section li { margin-bottom: 8px; }

.explanation { color: var(--text-secondary); font-size: 0.95rem; }

/* Figures */
figure {
  margin: 28px 0;
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow-x: auto;
}

figure svg { display: block; width: 100%; height: auto; }

figcaption {
  margin-top: 14px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* SVG text defaults, so diagrams inherit the page's typography. */
svg text { font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace; font-size: 12px; }
svg .label { fill: var(--text); }
svg .muted { fill: var(--text-secondary); font-size: 11px; }
svg .box { fill: var(--bg); stroke: var(--border); }
svg .flow { stroke: var(--border); fill: none; }

/* Code blocks */
.code-block { margin: 20px 0; }

.code-title {
  background: var(--bg-secondary);
  padding: 8px 16px;
  border-radius: 4px 4px 0 0;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-bottom: none;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px;
  overflow-x: auto;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.5;
}

.code-block pre { border-radius: 0 0 4px 4px; margin: 0; }

pre.terminal { background: #000; color: #f2f2f4; border-color: #333; }

code {
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 3px;
}

pre code { background: none; padding: 0; font-size: inherit; }

/* Callout boxes */
.callout {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 2px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.95rem;
}

.callout strong { color: var(--accent); }
.callout.warn { border-left-color: var(--leased); }
.callout.warn strong { color: var(--leased); }

/* Tables */
table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.9rem; }
th, td { padding: 8px 12px; text-align: left; border: 1px solid var(--border); vertical-align: top; }
th {
  background: var(--bg-secondary);
  font-weight: 600;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  font-size: 0.8rem;
}

/* Cards, for the landing page */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin: 24px 0; }
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px 20px;
}
.card h3 { margin-top: 0; font-size: 1rem; }
.card p { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 0; }

/* Syntax highlighting (minimal) */
.kw { color: #ff7b72; }
.str { color: #a5d6ff; }
.cmt { color: var(--text-secondary); }
.num { color: #79c0ff; }
.fn { color: var(--accent); }

/* Footer */
footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* Sidebar index */
.sidebar { display: none; }

@media (min-width: 1140px) {
  .sidebar {
    display: block;
    position: fixed;
    top: 64px;
    left: max(0px, calc((100vw - 820px) / 2 - 220px));
    width: 190px;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    padding: 8px 0;
    font-size: 0.78rem;
    line-height: 1.4;
  }

  .sidebar a {
    display: block;
    padding: 4px 12px;
    color: var(--text-secondary);
    border-left: 2px solid transparent;
  }

  .sidebar a:hover { color: var(--text); text-decoration: none; }
  .sidebar a.active { color: var(--accent); border-left-color: var(--accent); }
}

@media (max-width: 600px) {
  .hero h1 { font-size: 1.6rem; }
  section h2 { font-size: 1.3rem; }
  pre { font-size: 0.78rem; padding: 12px; }
  nav .links { gap: 14px; font-size: 0.82rem; }

  /* Dense diagrams keep readable labels instead of shrinking a 760-unit canvas to phone width. */
  figure { padding: 14px; }
  figure svg { min-width: 620px; }
  figcaption {
    position: sticky;
    left: 0;
    width: calc(100vw - 76px);
  }
}