html { color-scheme: dark; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: #0b0f18; color: #edf2f8; font: 18px/1.6 system-ui, sans-serif; }
main { box-sizing: border-box; width: min(680px, calc(100% - 32px)); padding: 32px; border: 1px solid #344052; border-radius: 16px; background: #151e2b; }
h1 { margin-top: 0; font-size: 28px; line-height: 1.25; }
p { margin: 1em 0; }
.note { margin-bottom: 0; color: #aebed1; font-size: 15px; }