:root{--bg: #f4f6fb;--card: #fff;--text: #172033;--muted: #5d6882;--line: #e2e7f2;--accent: #3b5bdb;--principal: #3b5bdb;--interest: #f08c00;--radius: 14px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}@media(prefers-color-scheme:dark){:root{--bg: #0f1424;--card: #182037;--text: #e8ecf8;--muted: #9aa6c4;--line: #2a3555;--accent: #748ffc;--principal: #748ffc;--interest: #ffa94d}}*{box-sizing:border-box}body{margin:0;background:var(--bg)}.app{max-width:1100px;margin:0 auto;padding:16px}.app.embed{padding:8px}.top h1{margin:8px 0 4px;font-size:1.8rem}.top p{margin:0 0 16px;color:var(--muted)}.layout{display:grid;gap:16px;grid-template-columns:1fr}@media(min-width:900px){.layout{grid-template-columns:320px 1fr;align-items:start}}.results{display:grid;gap:16px;min-width:0}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:0 1px 3px #0000000f}.card h2{margin:0 0 12px;font-size:1.1rem}label{display:block;margin-bottom:12px;font-size:.85rem;color:var(--muted)}input,select,textarea{width:100%;margin-top:4px;padding:10px 12px;font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:10px}input:focus,select:focus,textarea:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.row{display:grid;grid-template-columns:1fr 110px;gap:8px}button{padding:10px 16px;font:inherit;font-weight:600;color:#fff;background:var(--accent);border:0;border-radius:10px;cursor:pointer}button.ghost{color:var(--accent);background:transparent;border:1px solid var(--line);margin-top:8px}.kpis{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}.kpi{display:flex;flex-direction:column;gap:4px;padding:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}.kpi span{font-size:.8rem;color:var(--muted)}.kpi strong{font-size:1.25rem}.kpi.main{background:var(--accent);color:#fff;border-color:transparent;grid-column:1 / -1}.kpi.main span,.kpi.main small{color:#fffc}.kpi.main strong{font-size:1.9rem}.error{padding:14px;color:#c92a2a;background:#fff5f5;border-radius:var(--radius)}.charts{display:grid;gap:20px}.chart{margin:0}.chart figcaption{margin-bottom:6px;font-weight:600;font-size:.95rem}.chart svg{width:100%;height:auto}.axis{stroke:var(--line);stroke-width:1}.tick{fill:var(--muted);font-size:11px}.principal{fill:var(--principal);background:var(--principal)}.interest{fill:var(--interest);background:var(--interest)}.balance-area{fill:var(--principal);opacity:.18}.balance-line{fill:none;stroke:var(--principal);stroke-width:2}.legend{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--muted)}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-left:8px}.table-wrap{max-height:420px;overflow:auto}table{width:100%;border-collapse:collapse;font-size:.85rem;font-variant-numeric:tabular-nums;white-space:nowrap}th,td{padding:8px 10px;text-align:right;border-bottom:1px solid var(--line)}th:first-child,td:first-child{text-align:left}th{position:sticky;top:0;background:var(--card);color:var(--muted)}textarea{font-family:ui-monospace,monospace;font-size:.8rem;margin-bottom:8px}.foot{margin:20px 0 8px;font-size:.75rem;color:var(--muted)}