:root{--bg: #f6f7f9;--surface: #ffffff;--surface-2: #f0f2f5;--border: #dfe3e8;--text: #101828;--muted: #667085;--accent: #1a56db;--accent-soft: #e8effd;--good: #067647;--good-soft: #e7f6ee;--warn: #b54708;--warn-soft: #fdf0e6;--neutral: #475467;--radius: 12px;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .04)}@media(prefers-color-scheme:dark){:root{--bg: #0b1017;--surface: #141b24;--surface-2: #1b232e;--border: #2a3441;--text: #e6edf5;--muted: #93a1b3;--accent: #6c9cf8;--accent-soft: #16233c;--good: #4ade80;--good-soft: #11291d;--warn: #fbbf6e;--warn-soft: #2c2013;--neutral: #93a1b3;--shadow: none}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5;-webkit-text-size-adjust:100%}.wrap{max-width:780px;margin:0 auto;padding:20px 16px 64px}@media(min-width:1120px){.wrap{max-width:none;padding-left:32px;padding-right:32px}.layout{display:grid;grid-template-columns:minmax(0,460px) minmax(0,1fr);grid-template-rows:auto auto;gap:24px;align-items:start}.layout .col-input{grid-column:1}.layout .col-output{grid-column:2;grid-row:1 / span 2;position:sticky;top:20px;max-height:calc(100vh - 40px);overflow-y:auto;overscroll-behavior:contain;padding:2px 4px 2px 2px}}header.masthead{padding:12px 0 24px}header.masthead h1{font-size:1.5rem;margin:0 0 6px;letter-spacing:-.02em}header.masthead p{margin:0;color:var(--muted);font-size:.95rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 16px;margin-bottom:16px;box-shadow:var(--shadow);container-type:inline-size}.card>h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin:0 0 16px;font-weight:600}.grid{display:grid;gap:14px}@container (min-width: 500px){.grid.two{grid-template-columns:1fr 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var(--border);border-radius:var(--radius);overflow:hidden}.stats.three .stat:last-child{grid-column:1 / -1}@container (min-width: 500px){.stats.three{grid-template-columns:repeat(3,1fr)}.stats.three .stat:last-child{grid-column:auto}}.stat{background:var(--surface);padding:14px}.stat .k{font-size:.78rem;color:var(--muted);margin-bottom:4px}.stat .v{font-size:1.25rem;font-weight:650;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.stat .sub{font-size:.78rem;color:var(--muted);margin-top:2px}.hero{border-radius:var(--radius);padding:18px 16px;background:var(--accent-soft);border:1px solid var(--border)}.hero .k{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:600}.hero .v{font-size:2.4rem;font-weight:700;letter-spacing:-.03em;margin:4px 0;font-variant-numeric:tabular-nums}.hero .note{font-size:.875rem;color:var(--neutral)}.verdict{border-radius:var(--radius);padding:18px 16px;border:1px solid var(--border);margin-bottom:16px}.verdict.prepay{background:var(--good-soft)}.verdict.invest{background:var(--warn-soft)}.verdict.line-ball{background:var(--surface-2)}.verdict .headline{font-size:1.3rem;font-weight:700;letter-spacing:-.02em;margin-bottom:6px}.verdict.prepay .headline{color:var(--good)}.verdict.invest .headline{color:var(--warn)}.verdict p{margin:0 0 10px;font-size:.925rem}.ledger{border-top:1px solid var(--border);margin-top:14px;padding-top:12px;font-size:.9rem}.ledger div{display:flex;justify-content:space-between;gap:12px;padding:4px 0;font-variant-numeric:tabular-nums}.ledger div.total{border-top:1px solid var(--border);margin-top:6px;padding-top:8px;font-weight:650}.ledger .label{color:var(--neutral)}table{width:100%;border-collapse:collapse;font-size:.875rem;font-variant-numeric:tabular-nums}.scroll-x{overflow-x:auto}th,td{text-align:right;padding:8px 10px;border-bottom:1px solid var(--border);white-space:nowrap}th:first-child,td:first-child{text-align:left}th{color:var(--muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}tbody tr:last-child td{border-bottom:none}.callout{background:var(--surface-2);border-left:3px solid var(--accent);border-radius:0 8px 8px 0;padding:12px 14px;font-size:.9rem;margin:14px 0 0;color:var(--neutral)}.callout.warn{border-left-color:var(--warn);background:var(--warn-soft)}.error{background:var(--warn-soft);border:1px solid var(--border);border-left:3px solid var(--warn);border-radius:0 8px 8px 0;padding:14px;color:var(--warn);font-size:.925rem}button.action{font-family:inherit;font-size:.9rem;font-weight:600;padding:10px 16px;border-radius:9px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer}button.action:hover{border-color:var(--accent)}details.more{margin-top:14px}details.more summary{cursor:pointer;font-size:.875rem;color:var(--accent);font-weight:550}details.more[open] summary{margin-bottom:12px}footer.legal{margin-top:28px;padding-top:20px;border-top:1px solid var(--border);font-size:.82rem;color:var(--muted);line-height:1.6}footer.legal p{margin:0 0 10px}.chart-legend{display:flex;gap:16px;flex-wrap:wrap;font-size:.82rem;color:var(--muted);margin-top:10px}.chart-legend span{display:flex;align-items:center;gap:6px}.swatch{width:11px;height:11px;border-radius:3px;display:inline-block}