:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #1c2128;--border: #30363d;--text-primary: #e6edf3;--text-secondary: #8b949e;--accent: #58a6ff;--accent-dim: #388bfd;--green: #3fb950;--yellow: #d29922;--red: #f85149;--font-mono: "SF Mono", "Fira Code", "Cascadia Code", monospace;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);font-size:13px;height:100vh;overflow:hidden}#root{height:100vh}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#484f58}input,textarea,select{background:var(--bg-primary);border:1px solid var(--border);color:var(--text-primary);border-radius:4px;padding:4px 8px;font-family:var(--font-mono);font-size:12px;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--accent)}button{background:var(--accent-dim);color:#fff;border:none;border-radius:4px;padding:5px 12px;cursor:pointer;font-size:12px}button:hover{background:var(--accent)}button.danger{background:var(--red)}