.ctf-tool{--ctf-primary:#FF0000;--ctf-primary-dark:#cc0000;--ctf-bg:#ffffff;--ctf-bg-soft:#f7f8fa;--ctf-border:#e5e7eb;--ctf-text:#1f2430;--ctf-text-muted:#6b7280;--ctf-radius:14px;--ctf-shadow:0 4px 20px rgba(17, 24, 39, 0.06);box-sizing:border-box;max-width:720px;margin:2rem auto;font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ctf-text)}.ctf-tool *{box-sizing:border-box}.ctf-card{background:var(--ctf-bg);border:1px solid var(--ctf-border);border-radius:var(--ctf-radius);box-shadow:var(--ctf-shadow);padding:1.75rem;margin-bottom:1.25rem}.ctf-tool h2.ctf-title{font-size:1.5rem;font-weight:700;margin:0 0 .35rem}.ctf-tool p.ctf-subtitle{color:var(--ctf-text-muted);margin:0 0 1.5rem;font-size:.95rem}.ctf-field{margin-bottom:1.1rem}.ctf-field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.4rem}.ctf-field input[type="number"],.ctf-field input[type="text"],.ctf-field select{width:100%;padding:.7rem .85rem;border:1px solid var(--ctf-border);border-radius:10px;font-size:1rem;background:var(--ctf-bg-soft);transition:border-color 0.15s ease,box-shadow 0.15s ease}.ctf-field input:focus,.ctf-field select:focus{outline:none;border-color:var(--ctf-primary);box-shadow:0 0 0 3px rgb(255 0 0 / .08);background:var(--ctf-bg)}.ctf-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media (max-width:520px){.ctf-row{grid-template-columns:1fr}}.ctf-btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;background:var(--ctf-primary);color:#fff;border:none;padding:.85rem 1.4rem;border-radius:10px;font-weight:600;font-size:1rem;cursor:pointer;transition:background 0.15s ease,transform 0.1s ease;width:100%}.ctf-btn:hover{background:var(--ctf-primary-dark)}.ctf-btn:active{transform:scale(.98)}.ctf-btn-secondary{background:var(--ctf-bg-soft);color:var(--ctf-text);border:1px solid var(--ctf-border);width:auto;padding:.55rem 1rem;font-size:.88rem}.ctf-btn-secondary:hover{background:#eef0f3}.ctf-results{display:none;margin-top:1.5rem}.ctf-results.is-visible{display:block;animation:ctf-fade-in 0.35s ease}@keyframes ctf-fade-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.ctf-earnings-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem;margin-bottom:1.25rem}@media (max-width:520px){.ctf-earnings-grid{grid-template-columns:1fr}}.ctf-earnings-card{background:linear-gradient(135deg,var(--ctf-bg-soft),#fff);border:1px solid var(--ctf-border);border-radius:12px;padding:1.1rem 1.2rem}.ctf-earnings-card .ctf-label{font-size:.8rem;color:var(--ctf-text-muted);text-transform:uppercase;letter-spacing:.03em;margin-bottom:.3rem}.ctf-earnings-card .ctf-value{font-size:1.5rem;font-weight:800;color:var(--ctf-primary-dark);font-variant-numeric:tabular-nums}.ctf-chart-wrap{position:relative;height:220px;margin-bottom:1.25rem}.ctf-actions{display:flex;gap:.6rem;flex-wrap:wrap}.ctf-disclaimer{font-size:.8rem;color:var(--ctf-text-muted);margin-top:1rem;padding-top:1rem;border-top:1px dashed var(--ctf-border);line-height:1.5}.ctf-spinner{width:16px;height:16px;border:2px solid rgb(255 255 255 / .4);border-top-color:#fff;border-radius:50%;animation:ctf-spin 0.6s linear infinite;display:none}.ctf-btn.is-loading .ctf-spinner{display:inline-block}.ctf-btn.is-loading .ctf-btn-label{opacity:.8}@keyframes ctf-spin{to{transform:rotate(360deg)}}.ctf-error{display:none;background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:.75rem 1rem;border-radius:10px;font-size:.9rem;margin-top:1rem}.ctf-error.is-visible{display:block}@media (prefers-color-scheme:dark){.ctf-tool{--ctf-bg:#1a1d24;--ctf-bg-soft:#22262f;--ctf-border:#333844;--ctf-text:#f2f3f5;--ctf-text-muted:#9aa0ac}}