:root {
  color-scheme: dark;
  --bg: #07090d;
  --panel: #10141c;
  --text: #f3f4f6;
  --muted: #bec6d2;
  --accent: #ff8585;
  --border: rgba(255, 255, 255, .14);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  padding: 28px;
  background: radial-gradient(circle at 18% 0%, rgba(255, 49, 49, .16), transparent 30%), linear-gradient(180deg, #0d1017, var(--bg));
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}
.shell { width: min(100%, 820px); margin: 0 auto; }
nav { display: flex; flex-wrap: wrap; gap: 1.25rem; margin-bottom: 1.5rem; }
a { color: var(--accent); text-underline-offset: .18em; overflow-wrap: anywhere; }
a:hover { color: #ffb0b0; }
a:focus-visible { outline: 3px solid #ff8585; outline-offset: 4px; }
.panel { padding: clamp(22px, 5vw, 48px); border: 1px solid var(--border); border-radius: 28px; background: var(--panel); box-shadow: 0 24px 80px rgba(0, 0, 0, .42); }
h1, h2, h3 { line-height: 1.2; }
h1 { margin: 0 0 .6em; font-size: clamp(2.1rem, 6vw, 3.5rem); letter-spacing: -.04em; }
h2 { margin-top: 2em; font-size: clamp(1.5rem, 4vw, 2rem); }
h3 { margin-top: 1.8em; font-size: 1.2rem; }
p, li { font-size: 1.05rem; }
li + li { margin-top: .5em; }
.meta { color: var(--muted); font-size: .95rem; }
article .citation { white-space: nowrap; }
.sources { padding-left: 1.7em; }
.sources li { scroll-margin-top: 1.5rem; }
.sources li:target { outline: 2px solid var(--accent); outline-offset: 5px; }
.video-embed {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 1.5rem 0;
  overflow: hidden;
  border-radius: 14px;
  background: #000;
}
.video-embed iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}
@media (max-width: 600px) {
  body { padding: 14px; }
  .panel { border-radius: 20px; }
  p, li { font-size: 1rem; }
}

.quick-start { margin: 1.5rem 0; padding: 1rem 1.25rem; border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: 14px; background: rgba(255, 255, 255, .04); }
.quick-start .quick-start-title { margin: 0 0 .4em; font-weight: 700; }
.quick-start ol, .quick-start ul { margin: .3em 0 0; padding-left: 1.4em; }
.table-wrap { overflow-x: auto; margin: 1.2rem 0; }
article table { border-collapse: collapse; width: 100%; min-width: 520px; }
article th, article td { padding: .55rem .7rem; border: 1px solid var(--border); text-align: left; vertical-align: top; font-size: 1rem; }
article th { background: rgba(255, 255, 255, .06); }