:root { color-scheme: dark; --bg: #111315; --card: #1b1e21; --text: #f4efe6; --muted: #9a958c; --accent: #d8a34d; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, sans-serif; }
main { max-width: 560px; margin: 0 auto; padding: 48px 20px; }
h1 { margin: 8px 0; font-size: 28px; }
.lead, .note, dt { color: var(--muted); }
.badge { display: inline-block; margin: 0; padding: 4px 10px; border: 1px solid var(--accent); border-radius: 999px; color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .06em; }
form { display: grid; gap: 8px; margin: 28px 0 16px; }
input { width: 100%; padding: 12px; border: 1px solid #333; border-radius: 10px; background: var(--card); color: var(--text); font: 14px ui-monospace, monospace; }
button { padding: 12px; border: 0; border-radius: 10px; background: var(--accent); color: #1a1a1a; font-weight: 800; font-size: 15px; cursor: pointer; }
button:disabled { opacity: .5; cursor: wait; }
#result { padding: 12px; border-radius: 10px; word-break: break-all; }
#result.ok { background: rgba(74, 222, 128, .12); color: #4ade80; }
#result.err { background: rgba(248, 113, 113, .12); color: #f87171; }
dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 24px 0; padding: 16px; border-radius: 12px; background: var(--card); }
dd { margin: 0; }
code { font-family: ui-monospace, monospace; color: var(--accent); }