:root { color-scheme: light dark; --bg: #f6f7f5; --card: #fff; --text: #14181c; --muted: #5b6672; --border: #dde2da; --accent: #4d7c0f; --accent-text: #fff; --danger: #b42318; }
@media (prefers-color-scheme: dark) { :root { --bg: #0e1116; --card: #161b22; --text: #e6edf3; --muted: #8b97a8; --border: #262c3b; --accent: #a3e635; --accent-text: #0e1116; --danger: #ff7b72; } }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
input[type=radio] { accent-color: var(--accent); }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 46rem; margin: 0 auto; padding: 2rem 1rem 4rem; }
h1 { font-size: 1.6rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 .6rem; }
header { margin-bottom: 1.5rem; }
.muted { color: var(--muted); font-size: .9rem; }
.error { color: var(--danger); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 1rem 1.2rem; margin-bottom: 1rem; }
.mono, textarea { font-family: ui-monospace, "Cascadia Mono", Menlo, monospace; font-size: .85rem; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); padding: .3rem .4rem; }
td { padding: .5rem .4rem; border-top: 1px solid var(--border); vertical-align: top; }
label { display: block; margin: .6rem 0; }
label.check { display: flex; gap: .5rem; align-items: baseline; }
input:not([type=radio]) { display: block; width: 100%; margin-top: .25rem; padding: .5rem .6rem; border: 1px solid var(--border); border-radius: 7px; background: transparent; color: inherit; font: inherit; }
textarea { width: 100%; white-space: pre; overflow: auto; padding: .6rem; border: 1px solid var(--border); border-radius: 7px; background: transparent; color: inherit; }
.btn { display: inline-block; padding: .5rem .9rem; border: 1px solid var(--border); border-radius: 7px; background: transparent; color: inherit; font: inherit; cursor: pointer; text-decoration: none; }
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
.btn.danger { color: var(--danger); }
.notice { max-width: 36rem; margin: 4rem auto; padding: 0 1rem; }