:root {
  --bg: #1a1a1a;
  --bg-dim: #151515;
  --fg: #d4d4d4;
  --fg-dim: #888888;
  --fg-muted: #666666;
  --accent: #5b9bd5;
  --accent-dim: #4a7fc0;
  --warn: #ffaa00;
  --border: #333333;
  --code-bg: #121212;
  --term-shadow: 0 0 4px rgba(91, 155, 213, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  font-family: "SF Mono", "Courier New", "Liberation Mono", "DejaVu Sans Mono", Consolas, monospace;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  text-shadow: var(--term-shadow);
}

/* Subtle scanline texture. */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.08) 0px,
    rgba(0, 0, 0, 0.08) 1px,
    transparent 1px,
    transparent 2px
  );
  z-index: 9999;
}

.container {
  max-width: 780px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
  position: relative;
  z-index: 1;
}

header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

h1 {
  font-size: 2.2rem;
  margin: 0 0 0.5rem;
  letter-spacing: 0.05em;
  font-weight: 600;
}

h1::before {
  content: "> ";
  color: var(--accent);
}

h2 {
  font-size: 1.05rem;
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

h2::before {
  content: "[ ";
  color: var(--fg-dim);
}

h2::after {
  content: " ]";
  color: var(--fg-dim);
}

p {
  margin: 0.85rem 0;
  color: var(--fg);
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-dim);
}

a:hover {
  color: var(--bg);
  background: var(--accent);
  border-bottom-color: var(--accent);
}

pre, code {
  font-family: "SF Mono", "Courier New", "Liberation Mono", "DejaVu Sans Mono", Consolas, monospace;
  background: var(--code-bg);
  border: 1px solid var(--border);
}

pre {
  padding: 1rem;
  overflow-x: auto;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.4);
  position: relative;
}

code {
  padding: 0.1rem 0.35rem;
  font-size: 0.95em;
  color: var(--fg);
}

pre code {
  padding: 0;
  background: transparent;
  border: none;
  color: var(--fg);
}

.note {
  color: var(--fg-dim);
  font-size: 0.9rem;
}

.version-badge {
  display: inline-block;
  margin-left: 0.6rem;
  padding: 0.1rem 0.5rem;
  font-size: 0.75rem;
  border: 1px solid var(--border);
  color: var(--warn);
  background: rgba(255, 170, 0, 0.06);
}

.version-badge:empty {
  display: none;
}

/* Prompt prefix on install command. */
#install-cmd::before {
  content: "$ ";
  color: var(--accent);
}

section {
  margin-bottom: 1.5rem;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}