:root { color-scheme: dark; --bg:#121418; --card:#1c2028; --fg:#e8eaed; --muted:#9aa0a6; --line:#2a303a; --err:#f3b0b0; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, sans-serif; background: var(--bg); color: var(--fg); }
.wrap, main { max-width: 720px; margin: 0 auto; padding: 24px; }
.top, .nav { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--card); }
.nav a { color: var(--fg); text-decoration: none; padding: 4px 8px; border-radius: 6px; }
.nav a:hover, .nav a.active { background: #2b3340; }
.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--err); min-height: 1.2em; }
label { display: block; margin: 10px 0; }
input, button { font: inherit; }
input { width: 100%; max-width: 420px; padding: 8px; background: #0f1218; color: var(--fg); border: 1px solid var(--line); }
button { padding: 8px 12px; cursor: pointer; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px; margin: 10px 0; }
.row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.hidden { display: none !important; }
.warn { border-color: #8a4b4b; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 6px 4px; border-bottom: 1px solid var(--line); }