:root,:root[data-theme=light]{--bg: #f5f6f8;--card-bg: #ffffff;--text: #1f2937;--text-muted: #6b7280;--border: #e5e7eb;--track-bg: #e5e7eb;--positive: #059669;--negative: #dc2626;color-scheme:light}:root[data-theme=dark]{--bg: #0f172a;--card-bg: #1e293b;--text: #f1f5f9;--text-muted: #94a3b8;--border: #334155;--track-bg: #334155;--positive: #34d399;--negative: #f87171;color-scheme:dark}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.5;color:var(--text);background-color:var(--bg);transition:background-color .2s ease,color .2s ease;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center}*{box-sizing:border-box}#root{width:100%;display:flex;justify-content:center;padding:2rem 1rem;box-sizing:border-box}.card{width:100%;max-width:640px;padding:2.5rem 2rem;border-radius:20px;background:var(--card-bg);box-shadow:0 10px 40px -10px #00000040;text-align:center;box-sizing:border-box;position:relative}.theme-toggle{position:fixed;top:1.25rem;right:1.25rem;z-index:10;width:2.25rem;height:2.25rem;padding:0;border:1px solid var(--border);border-radius:999px;background:var(--bg);color:var(--text);font-size:1.1rem;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;line-height:1;transition:transform .15s ease,background-color .2s ease}.theme-toggle:hover{transform:scale(1.08)}.theme-toggle:focus-visible{outline:2px solid var(--positive);outline-offset:2px}h1{margin:0 0 1.5rem;font-size:1.5rem;font-weight:600;letter-spacing:-.01em;line-height:1.2;color:var(--text-muted)}.net{font-size:3.5rem;font-weight:700;letter-spacing:-.03em;line-height:1.1;font-variant-numeric:tabular-nums}.net.positive{color:var(--positive)}.net.negative{color:var(--negative)}.subtitle{margin:.25rem 0 2rem;font-size:.9rem;color:var(--text-muted)}.projection{display:flex;flex-direction:column;gap:.15rem;align-items:center;margin:0 0 1.75rem;padding:.9rem 1rem;background:var(--track-bg);border-radius:12px}.projection-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-weight:600}.projection-value{font-size:1.25rem;font-weight:600;color:var(--text);font-variant-numeric:tabular-nums}.projection-meta{font-size:.85rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.time-saved{display:flex;flex-direction:column;align-items:center;gap:.5rem;margin:0 0 1.75rem;padding:.9rem 1rem;background:var(--track-bg);border-radius:12px}.time-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.4rem;width:100%}.time-unit{display:flex;flex-direction:column;align-items:center;gap:.15rem}.time-unit-value{font-size:1.5rem;font-weight:700;color:var(--text);line-height:1.1;font-variant-numeric:tabular-nums}.time-unit-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.progress{margin:0 0 2rem;text-align:left}.progress-label{display:flex;justify-content:space-between;font-size:.85rem;color:var(--text-muted);margin-bottom:.5rem;font-variant-numeric:tabular-nums}.progress-track{height:10px;background:var(--track-bg);border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--positive),#34d399);transition:width .4s ease}.breakdown{text-align:left;margin-top:1rem}.row{display:flex;justify-content:space-between;align-items:baseline;padding:.55rem 0;font-size:.95rem}.row-label{color:var(--text);display:flex;gap:.5rem;align-items:baseline}.row-sign{display:inline-block;width:1ch;color:var(--text-muted);font-weight:600}.row-positive .row-sign{color:var(--positive)}.row-negative .row-sign{color:var(--negative)}.row-amount{font-variant-numeric:tabular-nums;font-weight:500}.row-total{margin-top:.5rem;font-size:1.1rem;font-weight:600}.row-total .row-amount{font-weight:700}.breakdown hr{border:none;border-top:1px solid var(--border);margin:.75rem 0 0}footer{margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--border);font-size:.8rem;color:var(--text-muted);font-variant-numeric:tabular-nums}@media (max-width: 480px){.net{font-size:2.5rem}.card{padding:1.5rem 1.25rem}}