:root{--bg:#0b0f14;--card:#111827;--muted:#94a3b8}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#e5e7eb;font-family:system-ui,Segoe UI,Roboto,Helvetica,Arial}.card{background:var(--card);border:1px solid #1f2937;border-radius:14px;padding:16px;margin:10px}.row{display:flex;gap:10px;flex-wrap:wrap}input,select,textarea{border:1px solid #334155;border-radius:10px;background:#0b1220;color:#e5e7eb;padding:10px}button{background:#10b981;color:#052e1a;border:none;border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer}button.secondary{background:#1f2937;color:#e5e7eb}.small{color:var(--muted)}table{width:100%;border-collapse:collapse}th,td{border-bottom:1px solid #1f2937;padding:8px;text-align:left}