:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: #080d18; color: #e7edf9; }
main { width: min(760px, calc(100% - 32px)); margin: 8vh auto; padding: 42px; background: #101a2d; border: 1px solid #253b5e; border-radius: 16px; box-shadow: 0 24px 80px #0008; }
.eyebrow { color: #7ca7ff; letter-spacing: .16em; font-size: .75rem; font-weight: 700; }
h1 { margin: 0; }.subtle { color: #aebbd0; }.card { margin-top: 18px; padding: 18px; border-radius: 10px; background: #080d18; border: 1px solid #253b5e; }
h2 { margin-top: 0; font-size: 1.1rem; } input { padding: 10px; color: inherit; background: #101a2d; border: 1px solid #3c557d; border-radius: 7px; } button { margin-left: 8px; padding: 10px 15px; border: 0; border-radius: 7px; background: #8babff; color: #07101f; font-weight: 800; cursor: pointer; }
pre { min-height: 120px; padding: 14px; overflow: auto; white-space: pre-wrap; border-radius: 7px; background: #101a2d; color: #b9d5ff; } code { color: #b9d5ff; }