:root { color-scheme: light dark; font-family: system-ui, sans-serif; }
body { margin: 0; background: #f4f7fc; color: #111827; }
#loading { min-height: 100dvh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; text-align: center; padding: 24px; box-sizing: border-box; }
#loading img { border-radius: 16px; }
h1 { margin: 0; font-size: 32px; letter-spacing: 2px; }
p { margin: 0; line-height: 1.5; }
button { border: 0; border-radius: 20px; background: #1d4ed8; color: white; padding: 12px 24px; font: inherit; cursor: pointer; }
@media (prefers-color-scheme: dark) { body { background: #0a0e15; color: #f5f7fa; } }