.stats-calc{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:1.5rem;max-width:760px;margin:1.5rem 0;box-shadow:0 1px 3px rgba(15,23,42,.06)}.stats-calc label{font-weight:600;color:#334155;display:block;margin-bottom:.5rem}.stats-calc textarea{width:100%;min-height:90px;padding:.75rem;border:1px solid #cbd5e1;border-radius:8px;font-size:1rem;font-family:inherit;resize:vertical}.stats-calc textarea:focus{outline:0;border-color:#6366f1;box-shadow:0 0 0 3px rgba(99,102,241,.12)}.stats-calc-toolbar{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;align-items:center;margin:1rem 0}.stats-calc-toolbar label{display:inline-flex;align-items:center;gap:.4rem;font-weight:400;font-size:.9rem;cursor:pointer;margin:0}.stats-results{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.75rem;margin-top:1rem}.stats-result{background:#f8fafc;border:1px solid #eef2f7;border-radius:10px;padding:.9rem 1rem;text-align:center}.stats-result-value{font-size:1.5rem;font-weight:800;color:#4f46e5;line-height:1.1;word-break:break-word}.stats-result-label{font-size:.8rem;color:#64748b;margin-top:.25rem;text-transform:uppercase;letter-spacing:.03em}.stats-error{color:#dc2626;font-size:.9rem;margin-top:.75rem}