.ftw-ci-calculator{--ftw-green:#16c172;--ftw-green-deep:#0da05e;--ftw-blue:#0087d7;--ftw-blue-light:#00BCFF;--ftw-ink:#1f2937;--ftw-ink-soft:#6b7280;--ftw-border:#e5e7eb;--ftw-surface:#ffffff;--ftw-surface-alt:#f8fafc;max-width:860px;margin:2rem auto;padding:1rem;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;color:var(--ftw-ink)}.ftw-ci-calculator form{background:var(--ftw-surface);border:1px solid var(--ftw-border);border-radius:12px;padding:1.5rem;box-shadow:0 1px 3px rgb(0 0 0 / .06)}.ftwci-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem 1.25rem}.ftw-ci-calculator .ftwci-form-group{margin-bottom:0}.ftw-ci-calculator label{display:block;margin-bottom:.4rem;font-weight:600;font-size:.85rem;color:var(--ftw-ink)}.ftw-ci-calculator input[type="number"],.ftw-ci-calculator select{width:100%;padding:.6rem .75rem;border:1px solid var(--ftw-border);border-radius:8px;font-size:1rem;background:var(--ftw-surface);color:var(--ftw-ink);box-sizing:border-box;transition:border-color 0.15s ease,box-shadow 0.15s ease}.ftw-ci-calculator input[type="number"]:focus,.ftw-ci-calculator select:focus{outline:none;border-color:var(--ftw-blue);box-shadow:0 0 0 3px rgb(0 135 215 / .15)}.ftw-ci-calculator .ftwci-help{display:block;margin-top:.3rem;font-size:.75rem;color:var(--ftw-ink-soft)}.ftwci-form-error{margin:1rem 0 0;color:#b91c1c;font-size:.9rem;font-weight:600}.ftw-ci-calculator .ftwci-calculate-btn{background:linear-gradient(135deg,var(--ftw-blue) 0%,var(--ftw-green) 100%);color:#fff;padding:.85rem 1.5rem;border:none;border-radius:8px;cursor:pointer;font-size:1.05rem;font-weight:700;width:100%;margin-top:1.25rem;transition:opacity 0.15s ease,transform 0.1s ease}.ftw-ci-calculator .ftwci-calculate-btn:hover{opacity:.92}.ftw-ci-calculator .ftwci-calculate-btn:active{transform:scale(.99)}.ftw-ci-calculator .ftwci-results{margin-top:1.5rem;animation:ftwci-fade-in 0.3s ease}@keyframes ftwci-fade-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.ftw-ci-calculator .ftwci-hero{display:block;text-align:center;background:linear-gradient(135deg,rgb(0 135 215 / .07) 0%,rgb(22 193 114 / .09) 100%);border:1px solid rgb(13 160 94 / .25);border-radius:12px;padding:1.5rem 1rem;margin-bottom:.75rem}.ftw-ci-calculator .ftwci-result-label{display:block;margin:0 0 .35rem;font-size:.78rem;line-height:1.3;font-weight:600;color:var(--ftw-ink-soft);text-align:center;float:none;width:auto}.ftw-ci-calculator .ftwci-hero .ftwci-result-label{font-size:.9rem;text-transform:uppercase;letter-spacing:.04em}.ftw-ci-calculator .ftwci-result-value{display:block;margin:0;font-size:clamp(1rem, 2.6vw, 1.3rem);line-height:1.2;font-weight:700;color:var(--ftw-ink);text-align:center;white-space:nowrap;overflow-wrap:normal;word-break:keep-all;font-variant-numeric:tabular-nums;float:none;width:auto}.ftw-ci-calculator .ftwci-hero-value{font-size:clamp(1.7rem, 5vw, 2.25rem);font-weight:800;color:var(--ftw-green-deep);line-height:1.15}.ftw-ci-calculator .ftwci-hero-sub{display:block;margin-top:.4rem;font-size:.9rem;color:var(--ftw-ink-soft);white-space:normal}.ftw-ci-calculator .ftwci-variance-note{margin:0 0 .75rem;padding:.7rem 1rem;background:var(--ftw-surface-alt);border:1px solid var(--ftw-border);border-radius:10px;font-size:.85rem;color:var(--ftw-ink-soft);text-align:center}.ftw-ci-calculator .ftwci-stats{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:.75rem}.ftw-ci-calculator .ftwci-stat{flex:1 1 150px;min-width:0;display:flex;flex-direction:column;justify-content:center;text-align:center;padding:.9rem .5rem;background:var(--ftw-surface);border:1px solid var(--ftw-border);border-radius:10px;box-sizing:border-box}.ftw-ci-calculator .ftwci-chart-container{position:relative;height:420px;background:var(--ftw-surface);border:1px solid var(--ftw-border);padding:1rem;border-radius:10px;box-sizing:border-box}.ftwci-breakdown{margin-top:1rem;background:var(--ftw-surface);border:1px solid var(--ftw-border);border-radius:10px}.ftwci-breakdown summary{cursor:pointer;padding:.9rem 1rem;font-weight:700;font-size:.95rem;color:var(--ftw-blue);list-style-position:inside}.ftwci-breakdown[open] summary{border-bottom:1px solid var(--ftw-border)}.ftwci-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}#ftwci-breakdown-table{width:100%;border-collapse:collapse;font-size:.85rem;min-width:560px}#ftwci-breakdown-table th,#ftwci-breakdown-table td{padding:.55rem .75rem;text-align:right;border-bottom:1px solid var(--ftw-border);white-space:nowrap}#ftwci-breakdown-table th:first-child,#ftwci-breakdown-table td:first-child{text-align:left}#ftwci-breakdown-table thead th{background:var(--ftw-surface-alt);color:var(--ftw-ink-soft);font-weight:600;position:sticky;top:0}#ftwci-breakdown-table tbody tr:last-child td{border-bottom:none;font-weight:700}.ftwci-footnote{margin:.9rem 0 0;font-size:.78rem;color:var(--ftw-ink-soft)}.ftwci-credit{margin:1rem 0 0;text-align:center;font-size:.78rem;color:var(--ftw-ink-soft)}.ftwci-credit a{color:var(--ftw-blue);text-decoration:none;font-weight:600}.ftwci-credit a:hover{text-decoration:underline}@media (max-width:600px){.ftw-ci-calculator{margin:1rem auto;padding:.5rem}.ftw-ci-calculator form{padding:1rem}.ftwci-form-grid{grid-template-columns:1fr}.ftw-ci-calculator .ftwci-stat{flex-basis:40%;padding:.75rem .4rem}.ftw-ci-calculator .ftwci-result-value{font-size:clamp(0.95rem, 5.6vw, 1.15rem)}.ftw-ci-calculator .ftwci-hero-value{font-size:clamp(1.5rem, 8vw, 1.9rem)}.ftw-ci-calculator .ftwci-chart-container{height:300px;padding:.5rem}}