:root { --bg: #f6f7f9; --text: #1b1f24; --muted: #5d6673; color-scheme: light dark; font: 17px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
@media (prefers-color-scheme: dark) { :root { --bg: #111418; --text: #e6e9ed; --muted: #98a2b0; } }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: var(--bg); color: var(--text); }
main { text-align: center; padding: 32px 16px; max-width: 30rem; }
img { width: 128px; height: 128px; border-radius: 28px; box-shadow: 0 8px 24px rgba(0, 0, 0, .18); }
h1 { font-size: 32px; margin: 24px 0 8px; letter-spacing: -.01em; }
p { color: var(--muted); margin: 0; }