:root { color-scheme: light dark; --bg: #f6f7f9; --fg: #16181d; --muted: #5b6270; --card: #fff; --line: #d8dce3; --accent: #1f4fd1; --bad: #b42318; }
@media (prefers-color-scheme: dark) { :root { --bg: #111318; --fg: #eceef2; --muted: #9aa1ad; --card: #1a1d24; --line: #2c313b; --accent: #7aa2ff; --bad: #ff8a80; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 480px; margin: 0 auto; padding: 32px 16px; }
h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 8px; }
section { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-top: 16px; }
.muted { color: var(--muted); font-size: .9rem; }
button { font: inherit; padding: 10px 16px; border-radius: 6px; border: 0; background: var(--accent); color: #fff; cursor: pointer; width: 100%; }
button:disabled { opacity: .6; cursor: progress; }
label { display: block; font-size: .9rem; margin: 8px 0 4px; }
input { font: inherit; width: 100%; padding: 8px; border: 1px solid var(--line); border-radius: 6px; background: transparent; color: inherit; margin-bottom: 12px; font-family: ui-monospace, monospace; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; margin: 0 0 12px; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }
#status { min-height: 1.5em; margin-top: 16px; }
#status.error { color: var(--bad); }