:root{--bg:#0f1115;--bg-panel:#161a21;--bg-hover:#1e2530;--border:#2a3240;--text:#d7dde6;--text-dim:#8b95a5;--accent:#4f8cff;--accent-hover:#6ba0ff;--danger:#ff5c5c;--success:#3ecf8e;--mono:"SF Mono", "JetBrains Mono", Menlo, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}button{background:var(--bg-hover);color:var(--text);border:1px solid var(--border);cursor:pointer;border-radius:6px;padding:6px 14px;font-size:13px;transition:all 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