:root{color-scheme:dark;--bg:#0b1020;--panel:#121a2e;--border:#243049;--text:#e8eefc;--muted:#94a3b8;--accent:#22c55e;--accent-dim:#166534;--danger:#f87171;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--bg);color:var(--text)}button,input,textarea{font:inherit}button{cursor:pointer}a{color:var(--accent)}