:root{--bg:#020617;--card:#0f172a;--border:#1f2937;--text:#e5e7eb;--muted:#9ca3af;--accent:#0ea5e9}.btn.primary,.primary{background:var(--accent);border-color:var(--accent);color:#f8fafc;font-weight:700}.btn.secondary,.secondary{background:#1f2937;border-color:var(--border);color:#e5e7eb}.btn.danger,.danger{background:#b91c1c;border-color:#b91c1c;color:#fef2f2}input[type="radio"]{appearance:none;width:16px;height:16px;border:1px solid var(--border);border-radius:999px;background:var(--bg);display:inline-grid;place-content:center}input[type="radio"]::before{content:"";width:8px;height:8px;border-radius:999px;transform:scale(0);transition:transform .1s ease;background:#f8fafc}input[type="radio"]:checked::before{transform:scale(1)}.ribbon{font-weight:700}