:root{--bg: #f6f7f9;--card: #fff;--text: #14181f;--muted: #5b6472;--border: #e3e6eb;--accent: #1f5eff;--good: #1a9e5c;--ok: #d99a00;--bad: #d64545;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg);line-height:1.5}@media (prefers-color-scheme: dark){:root{--bg: #0f1216;--card: #171b21;--text: #e8ebef;--muted: #9aa3af;--border: #2a3039;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg)}a{color:var(--accent)}button{font:inherit;cursor:pointer}button.primary{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:10px 20px;font-weight:600}button.primary:disabled{opacity:.5;cursor:default}button.link{background:none;border:0;color:var(--accent);padding:0;text-decoration:underline}.topbar{padding:16px 24px;border-bottom:1px solid 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