body { font-family: system-ui, sans-serif; margin: 0; background: #0f1115; color: #e6e6e6 }
.container { max-width: 800px; margin: 40px auto; padding: 0 16px }
h1 { font-size: 24px; margin-bottom: 24px }
/* section { background: #161922; padding: 16px; border-radius: 8px; margin-bottom: 16px } */
button { margin-top: 8px; padding: 8px 12px; border: 0; background: #3a7afe; color: #fff; border-radius: 6px; cursor: pointer }
pre { background: #0b0d12; padding: 8px; border-radius: 6px; overflow: auto; max-height: 240px }
input[type=file] { display: block; margin-top: 8px }