*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d1117;--surface: #161b22;--surface2: #21262d;--border: #30363d;--text: #e6edf3;--muted: #8b949e;--accent: #58a6ff;--green: #3fb950;--red: #f85149;--orange: #ffa657}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;min-height:100vh;font-size:14px}button{cursor:pointer;font-family:inherit;font-size:.875rem}input,select,textarea{font-family:inherit;font-size:.875rem;background:var(--surface2);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:.5rem .75rem;width:100%;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--accent)}