:root{color-scheme:dark;--bg:#0d1117;--panel:#141a22;--panel-2:#1a222c;--line:#232d38;--blue:#5fc9e8;--blue-dim:#2c5568;--amber:#e8a94f;--red:#e2685f;--green:#6bcf9a;--text:#dfe6ee;--muted:#7c8a99;--mono:"Consolas","IBM Plex Mono","SFMono-Regular",monospace;--sans:-apple-system,"Segoe UI",Inter,Roboto,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%;font-family:var(--sans);background:var(--bg);color:var(--text)}header{display:flex;align-items:center;justify-content:flex-end;gap:12px;padding:14px 24px;background:var(--panel);border-bottom:1px solid var(--line)}button,input{font-family:inherit}input{background:var(--panel-2);border:1px solid var(--line);color:var(--text);border-radius:6px}input::placeholder{color:var(--muted)}a{color:var(--blue)}