:root{color-scheme:dark;--bg: #111;--card: #1c1c1f;--fg: #eee;--muted: #999;--accent: #e94560}*{box-sizing:border-box}body{margin:0;font:16px/1.4 system-ui,sans-serif;background:var(--bg);color:var(--fg)}input,select,button,.btn{font:inherit;color:inherit;background:var(--card);border:1px solid #333;border-radius:8px;padding:8px 12px}button,.btn{cursor:pointer}button:disabled{opacity:.5;cursor:default}.primary{background:var(--accent);border-color:var(--accent)}