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1827 lines (1669 loc) · 72.2 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-6KBF2J9YMF"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'G-6KBF2J9YMF');
</script>
<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-8818249045622286"
crossorigin="anonymous"></script>
<title>MonteCarlo Wealth Lab</title>
<link href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap">
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/4.4.1/chart.umd.min.js"></script>
<style>
/* ── RESET & TOKENS ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
--bg: #07080f;
--bg2: #0d0f1e;
--bg3: #111527;
--border: #1e2340;
--border2: #2a3058;
--text: #d8ddf5;
--muted: #4a5280;
--muted2: #6b75a8;
--amber: #f0a500;
--amber2: #ffc844;
--blue: #3d8ef0;
--blue2: #6aaeff;
--green: #10c98f;
--green2: #3dffc0;
--red: #f03d5e;
--orange: #f07830;
--yellow: #e8c030;
--teal: #10b8c9;
--purple: #8b6af0;
--font-ui: 'Space Grotesk', sans-serif;
--font-mono: 'JetBrains Mono', monospace;
--radius: 10px;
--radius-sm: 6px;
}
html { font-size: 14px; }
body {
font-family: var(--font-ui);
background: var(--bg);
color: var(--text);
min-height: 100vh;
overflow-x: hidden;
}
/* ── SCROLLBAR ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
/* ── LAYOUT ────────────────────────────────────────────── */
.app {
display: grid;
grid-template-rows: 56px 1fr;
grid-template-columns: 360px 1fr;
height: 100vh;
}
/* ── TOPBAR ────────────────────────────────────────────── */
.topbar {
grid-column: 1 / -1;
display: flex;
align-items: center;
justify-content: space-between;
padding: 0 24px;
background: var(--bg2);
border-bottom: 1px solid var(--border);
z-index: 100;
}
.topbar-left { display: flex; align-items: center; gap: 16px; }
.logo {
font-family: var(--font-mono);
font-size: 13px;
font-weight: 700;
color: var(--amber);
letter-spacing: .12em;
text-transform: uppercase;
display: flex;
align-items: center;
gap: 8px;
}
.logo-icon {
width: 28px; height: 28px;
background: linear-gradient(135deg, var(--amber), var(--orange));
border-radius: 7px;
display: flex; align-items: center; justify-content: center;
font-size: 14px;
}
.topbar-meta {
font-family: var(--font-mono);
font-size: 10px;
color: var(--muted);
letter-spacing: .05em;
}
.topbar-right { display: flex; align-items: center; gap: 20px; }
.kpi-pill {
display: flex; flex-direction: column; align-items: flex-end;
gap: 1px;
}
.kpi-pill .label { font-size: 9px; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; }
.kpi-pill .value { font-family: var(--font-mono); font-size: 15px; font-weight: 700; }
.btn-run {
padding: 9px 24px;
background: linear-gradient(135deg, var(--amber), var(--orange));
border: none; border-radius: var(--radius-sm);
color: #000; font-family: var(--font-ui);
font-size: 12px; font-weight: 700;
letter-spacing: .08em; text-transform: uppercase;
cursor: pointer;
transition: all .2s;
display: flex; align-items: center; gap: 8px;
white-space: nowrap;
}
.btn-run:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(240,165,0,.3); }
.btn-run:active { transform: translateY(0); }
.btn-run:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-run .spinner {
width: 12px; height: 12px;
border: 2px solid rgba(0,0,0,.3);
border-top-color: #000;
border-radius: 50%;
animation: spin .7s linear infinite;
display: none;
}
.btn-run.running .spinner { display: block; }
.btn-run.running .btn-text::before { content: 'RUNNING…'; }
.btn-run:not(.running) .btn-text::before { content: '▶ RUN SIMULATION'; }
@keyframes spin { to { transform: rotate(360deg); } }
/* ── SIDEBAR ───────────────────────────────────────────── */
.sidebar {
background: var(--bg2);
border-right: 1px solid var(--border);
overflow-y: auto;
padding-bottom: 40px;
}
.section-hdr {
padding: 14px 18px 6px;
font-family: var(--font-mono);
font-size: 9px;
font-weight: 700;
letter-spacing: .2em;
color: var(--amber);
text-transform: uppercase;
border-top: 1px solid var(--border);
margin-top: 4px;
}
.section-hdr:first-child { border-top: none; margin-top: 0; }
.field { padding: 5px 18px; }
.field-label {
display: flex; justify-content: space-between; align-items: center;
margin-bottom: 4px;
}
.field-label span:first-child {
font-size: 11px; color: var(--muted2); letter-spacing: .02em;
}
.field-value {
font-family: var(--font-mono);
font-size: 12px; font-weight: 700; color: var(--amber);
}
.field-input-row {
display: flex; gap: 12px; align-items: center;
}
.field-input-row input[type="number"] {
width: 80px; padding: 6px 8px;
background: var(--bg3); border: 1px solid var(--border);
border-radius: var(--radius-sm); color: var(--text);
font-family: var(--font-mono); font-size: 12px;
text-align: right;
}
.field-input-row input[type="number"]:focus {
outline: none; border-color: var(--amber);
box-shadow: 0 0 0 2px rgba(240,165,0,.2);
}
input[type=range] {
width: 100%;
-webkit-appearance: none;
height: 3px;
background: var(--border2);
border-radius: 2px;
outline: none;
cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
-webkit-appearance: none;
width: 14px; height: 14px;
border-radius: 50%;
background: var(--amber);
cursor: pointer;
box-shadow: 0 0 6px rgba(240,165,0,.5);
transition: transform .1s;
}
input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.3); }
/* ── WEIGHT INDICATOR ──────────────────────────────────── */
.weight-bar-wrap { padding: 8px 18px 4px; }
.weight-bar-track {
height: 6px; background: var(--border);
border-radius: 3px; overflow: hidden; position: relative;
}
.weight-bar-fill {
height: 100%; border-radius: 3px;
transition: width .3s, background .3s;
}
.weight-label {
display: flex; justify-content: space-between;
font-family: var(--font-mono); font-size: 10px; margin-top: 4px;
}
/* ── FUND CARDS ────────────────────────────────────────── */
.fund-list { padding: 0 12px; }
.fund-card {
background: var(--bg3);
border: 1px solid var(--border);
border-radius: var(--radius);
margin-bottom: 8px;
overflow: hidden;
transition: border-color .2s;
}
.fund-card:hover { border-color: var(--border2); }
.fund-card-head {
display: flex; align-items: center; justify-content: space-between;
padding: 10px 12px;
cursor: pointer;
user-select: none;
}
.fund-card-head:hover { background: rgba(255,255,255,.02); }
.fund-dot {
width: 8px; height: 8px; border-radius: 50%;
flex-shrink: 0; margin-right: 8px;
}
.fund-name-input {
background: none; border: none; outline: none;
font-family: var(--font-ui); font-size: 12px; font-weight: 600;
color: var(--text); width: 100%;
cursor: text;
}
.fund-name-input:focus { color: var(--blue2); }
.fund-head-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.fund-weight-badge {
font-family: var(--font-mono); font-size: 11px; font-weight: 700;
padding: 2px 7px; border-radius: 4px;
background: rgba(240,165,0,.15); color: var(--amber);
}
.fund-toggle { color: var(--muted); font-size: 10px; transition: transform .2s; }
.fund-card.open .fund-toggle { transform: rotate(180deg); }
.fund-body {
display: none;
padding: 4px 12px 12px;
border-top: 1px solid var(--border);
}
.fund-card.open .fund-body { display: block; }
.fund-del {
width: 100%; margin-top: 8px; padding: 6px;
background: rgba(240,61,94,.1); border: 1px solid rgba(240,61,94,.2);
border-radius: var(--radius-sm); color: var(--red);
font-size: 11px; font-weight: 600; cursor: pointer;
transition: all .2s; letter-spacing: .05em;
}
.fund-del:hover { background: rgba(240,61,94,.2); }
.btn-add-fund {
width: calc(100% - 24px); margin: 8px 12px;
padding: 9px; background: rgba(61,142,240,.1);
border: 1px dashed rgba(61,142,240,.3); border-radius: var(--radius);
color: var(--blue2); font-size: 11px; font-weight: 600;
cursor: pointer; transition: all .2s; letter-spacing: .05em;
display: flex; align-items: center; justify-content: center; gap: 6px;
}
.btn-add-fund:hover { background: rgba(61,142,240,.18); border-color: var(--blue); }
/* ── MAIN PANEL ────────────────────────────────────────── */
.main {
overflow-y: auto;
padding: 20px;
display: flex;
flex-direction: column;
gap: 16px;
}
/* ── EMPTY STATE ───────────────────────────────────────── */
.empty-state {
flex: 1; display: flex; flex-direction: column;
align-items: center; justify-content: center;
gap: 12px; color: var(--muted);
text-align: center;
}
.empty-icon { font-size: 48px; opacity: .4; }
.empty-title { font-size: 16px; font-weight: 600; color: var(--muted2); }
.empty-sub { font-size: 12px; line-height: 1.6; max-width: 320px; }
/* ── KPI ROW ───────────────────────────────────────────── */
.kpi-row {
display: grid;
grid-template-columns: repeat(6, 1fr);
gap: 10px;
}
.kpi-card {
background: var(--bg2);
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 14px 14px 12px;
position: relative;
overflow: hidden;
}
.kpi-card::before {
content: '';
position: absolute; top: 0; left: 0; right: 0; height: 2px;
background: var(--accent, var(--amber));
opacity: .6;
}
.kpi-card .lbl {
font-size: 9px; color: var(--muted);
letter-spacing: .1em; text-transform: uppercase; margin-bottom: 6px;
}
.kpi-card .val {
font-family: var(--font-mono); font-size: 17px; font-weight: 700;
line-height: 1; color: var(--accent, var(--amber));
}
.kpi-card .sub {
font-size: 9px; color: var(--muted); margin-top: 4px; line-height: 1.4;
}
/* ── CHART PANELS ──────────────────────────────────────── */
.panel {
background: var(--bg2);
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 16px;
min-height: 0;
overflow: hidden;
}
.panel-title {
font-size: 10px; font-weight: 600; color: var(--muted2);
letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px;
display: flex; align-items: center; gap: 8px;
}
.panel-title::before {
content: '';
width: 3px; height: 12px;
background: var(--amber); border-radius: 2px;
}
.charts-row {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 16px;
}
/* Fixed chart dimensions */
.chart-fan-container {
height: 320px;
position: relative;
min-height: 320px;
}
.chart-hist-container {
height: 280px;
position: relative;
min-height: 280px;
}
.chart-prob-container {
height: 280px;
position: relative;
min-height: 280px;
}
.chart-container {
height: 240px;
position: relative;
min-height: 240px;
}
canvas { display: block; }
/* ── MILESTONE TABLE ───────────────────────────────────── */
.ms-table {
width: 100%; border-collapse: collapse;
font-size: 11px; font-family: var(--font-mono);
}
.ms-table thead tr {
background: var(--bg3);
border-bottom: 1px solid var(--border);
}
.ms-table th {
padding: 8px 12px; text-align: right;
color: var(--muted); font-size: 9px;
letter-spacing: .08em; font-weight: 600;
white-space: nowrap;
}
.ms-table th:first-child { text-align: left; }
.ms-table td {
padding: 9px 12px; text-align: right;
border-bottom: 1px solid var(--border);
white-space: nowrap;
}
.ms-table td:first-child { text-align: left; font-weight: 700; }
.ms-table tbody tr:nth-child(even) { background: rgba(255,255,255,.015); }
.ms-table tbody tr:hover { background: rgba(240,165,0,.05); }
/* ── PROB + DIST ───────────────────────────────────────── */
.bot-row {
display: grid;
grid-template-columns: 1fr 1fr 1fr;
gap: 16px;
}
.prob-table {
width: 100%; border-collapse: collapse; font-size: 11px;
}
.prob-table th {
padding: 6px 10px; text-align: right;
color: var(--muted); font-size: 9px;
font-family: var(--font-mono); letter-spacing: .06em;
border-bottom: 1px solid var(--border); font-weight: 600;
}
.prob-table th:first-child { text-align: left; }
.prob-table td {
padding: 7px 10px; text-align: right;
border-bottom: 1px solid var(--border);
font-family: var(--font-mono); font-size: 11px;
}
.prob-table td:first-child { text-align: left; color: var(--text); }
.prob-table tbody tr:nth-child(even) { background: rgba(255,255,255,.015); }
/* ── DIST BAR ──────────────────────────────────────────── */
.dist-item { margin-bottom: 11px; }
.dist-row {
display: flex; justify-content: space-between;
align-items: center; margin-bottom: 4px;
}
.dist-label { font-size: 10px; color: var(--muted2); }
.dist-pct { font-family: var(--font-mono); font-size: 11px; font-weight: 700; }
.dist-track {
height: 6px; background: var(--border);
border-radius: 3px; overflow: hidden;
}
.dist-fill {
height: 100%; border-radius: 3px;
transition: width .8s cubic-bezier(.4,0,.2,1);
}
/* ── DOWNSIDE ──────────────────────────────────────────── */
.ds-row {
display: flex; justify-content: space-between; align-items: center;
padding: 6px 0; border-bottom: 1px solid var(--border);
font-size: 11px;
}
.ds-row:last-child { border-bottom: none; }
.ds-label { color: var(--muted); }
.ds-val { font-family: var(--font-mono); font-weight: 700; font-size: 12px; }
/* ── PROGRESS OVERLAY ──────────────────────────────────── */
.progress-wrap {
padding: 6px 18px 10px;
display: none;
}
.progress-wrap.visible { display: block; }
.progress-track {
height: 3px; background: var(--border); border-radius: 2px; overflow: hidden;
}
.progress-fill {
height: 100%; background: linear-gradient(90deg, var(--amber), var(--orange));
border-radius: 2px; width: 0%;
transition: width .1s linear;
}
.progress-label {
font-family: var(--font-mono); font-size: 9px; color: var(--muted);
margin-top: 4px; text-align: center;
}
/* ── VALIDATION & ERROR SYSTEM ─────────────────────────── */
.validation-wrap {
padding: 8px 18px 4px;
display: none;
}
.validation-wrap.visible { display: block; }
.validation-track {
height: 6px; background: var(--border);
border-radius: 3px; overflow: hidden; position: relative;
}
.validation-fill {
height: 100%; border-radius: 3px;
transition: width .3s, background .3s;
}
.validation-label {
display: flex; justify-content: space-between;
font-family: var(--font-mono); font-size: 10px; margin-top: 4px;
}
.error-display {
padding: 10px 16px;
background: rgba(240,61,94,.1);
border: 1px solid rgba(240,61,94,.3);
border-radius: var(--radius);
margin: 8px 16px;
display: none;
}
.error-display.visible { display: block; }
.error-display h4 {
margin: 0 0 6px 0;
color: var(--red);
font-size: 12px;
font-weight: 700;
}
.error-display p {
margin: 0;
color: var(--muted);
font-size: 11px;
line-height: 1.4;
}
.warning-display {
padding: 10px 16px;
background: rgba(240,165,0,.1);
border: 1px solid rgba(240,165,0,.3);
border-radius: var(--radius);
margin: 8px 16px;
display: none;
}
.warning-display.visible { display: block; }
.warning-display h4 {
margin: 0 0 6px 0;
color: var(--amber);
font-size: 12px;
font-weight: 700;
}
.warning-display p {
margin: 0;
color: var(--muted);
font-size: 11px;
line-height: 1.4;
}
.success-display {
padding: 10px 16px;
background: rgba(16,201,143,.1);
border: 1px solid rgba(16,201,143,.3);
border-radius: var(--radius);
margin: 8px 16px;
display: none;
}
.success-display.visible { display: block; }
.success-display h4 {
margin: 0 0 6px 0;
color: var(--green);
font-size: 12px;
font-weight: 700;
}
.success-display p {
margin: 0;
color: var(--muted);
font-size: 11px;
line-height: 1.4;
}
/* ── DISCLAIMER ────────────────────────────────────────── */
.disclaimer {
padding: 12px 16px;
background: var(--bg2); border: 1px solid var(--border);
border-radius: var(--radius);
font-size: 9px; color: var(--muted); line-height: 1.7;
}
/* ── RESPONSIVE NUDGE ──────────────────────────────────── */
@media (max-width: 1100px) {
.kpi-row { grid-template-columns: repeat(3, 1fr); }
.bot-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 800px) {
.app { grid-template-columns: 1fr; grid-template-rows: 56px auto 1fr; }
.sidebar { max-height: 45vh; }
.charts-row, .bot-row { grid-template-columns: 1fr; }
.kpi-row { grid-template-columns: repeat(2, 1fr); }
}
</style>
</head>
<body>
<div class="app">
<!-- ═══════════════════ TOPBAR ═══════════════════ -->
<header class="topbar">
<div class="topbar-left">
<div class="logo">
<div class="logo-icon">◈</div>
MonteCarlo Wealth Lab
</div>
<div class="topbar-meta" id="topbar-meta">Configure portfolio → Run simulation</div>
</div>
<div class="topbar-right">
<div class="kpi-pill">
<span class="label">Blended μ</span>
<span class="value" id="hdr-mu" style="color:var(--green)">—</span>
</div>
<div class="kpi-pill">
<span class="label">Weight</span>
<span class="value" id="hdr-wt" style="color:var(--amber)">100%</span>
</div>
<div class="kpi-pill">
<span class="label">Monthly Out</span>
<span class="value" id="hdr-out" style="color:var(--blue2)">—</span>
</div>
<button class="btn-run" id="btn-run" onclick="startSimulation()">
<div class="spinner"></div>
<span class="btn-text"></span>
</button>
</div>
</header>
<!-- ═══════════════════ SIDEBAR ═══════════════════ -->
<aside class="sidebar" id="sidebar">
<div class="section-hdr">⚙ Simulation</div>
<div class="field">
<div class="field-label"><span>Simulations</span><span class="field-value" id="lbl-sims">5,000</span></div>
<div class="field-input-row">
<input type="range" id="sl-sims" min="500" max="50000" step="500" value="5000" oninput="syncLabel('sims',this.value,v=>v.toLocaleString());syncInput('sims',this.value)">
<input type="number" id="in-sims" min="500" max="50000" step="500" value="5000" oninput="syncSlider('sims',this.value);syncLabel('sims',this.value,v=>v.toLocaleString())">
</div>
</div>
<div class="field">
<div class="field-label"><span>Current Age</span><span class="field-value" id="lbl-age">30</span></div>
<div class="field-input-row">
<input type="range" id="sl-age" min="20" max="50" step="1" value="30" oninput="syncLabel('age',this.value);updateSimulationYears();syncInput('age',this.value)">
<input type="number" id="in-age" min="20" max="50" step="1" value="30" oninput="syncSlider('age',this.value);syncLabel('age',this.value);updateSimulationYears()">
</div>
</div>
<div class="field">
<div class="field-label"><span>Target Age</span><span class="field-value" id="lbl-tage">60</span></div>
<div class="field-input-row">
<input type="range" id="sl-tage" min="30" max="65" step="1" value="60" oninput="syncLabel('tage',this.value);updateSimulationYears();syncInput('tage',this.value)">
<input type="number" id="in-tage" min="30" max="65" step="1" value="60" oninput="syncSlider('tage',this.value);syncLabel('tage',this.value);updateSimulationYears()">
</div>
</div>
<div class="field">
<div class="field-label"><span>Simulation Years</span><span class="field-value" id="lbl-years">14</span></div>
<div class="field-input-row">
<input type="range" id="sl-years" min="5" max="25" step="1" value="14" oninput="syncLabel('years',this.value);syncInput('years',this.value)" disabled>
<input type="number" id="in-years" min="5" max="25" step="1" value="14" oninput="syncSlider('years',this.value);syncLabel('years',this.value)" disabled>
</div>
</div>
<div class="field">
<div class="field-label"><span>Random Seed</span><span class="field-value" id="lbl-seed">42</span></div>
<div class="field-input-row">
<input type="range" id="sl-seed" min="1" max="999" step="1" value="42" oninput="syncLabel('seed',this.value);syncInput('seed',this.value)">
<input type="number" id="in-seed" min="1" max="999" step="1" value="42" oninput="syncSlider('seed',this.value);syncLabel('seed',this.value)">
</div>
</div>
<div class="section-hdr">💰 Starting Position</div>
<div class="field">
<div class="field-label"><span>Corpus (₹L)</span><span class="field-value" id="lbl-corpus">0</span></div>
<div class="field-input-row">
<input type="range" id="sl-corpus" min="0" max="300" step="1" value="0" oninput="syncLabel('corpus',this.value,v=>'₹'+v+'L');syncInput('corpus',this.value)">
<input type="number" id="in-corpus" min="0" max="300" step="1" value="0" oninput="syncSlider('corpus',this.value);syncLabel('corpus',this.value,v=>'₹'+v+'L')">
</div>
</div>
<div class="field">
<div class="field-label"><span>War Chest Initial (₹L)</span><span class="field-value" id="lbl-wci">0</span></div>
<div class="field-input-row">
<input type="range" id="sl-wci" min="0" max="100" step="1" value="0" oninput="syncLabel('wci',this.value,v=>'₹'+v+'L');syncInput('wci',this.value)">
<input type="number" id="in-wci" min="0" max="100" step="1" value="0" oninput="syncSlider('wci',this.value);syncLabel('wci',this.value,v=>'₹'+v+'L')">
</div>
</div>
<div class="section-hdr">📅 Monthly SIP</div>
<div class="field">
<div class="field-label"><span>Base SIP (₹K)</span><span class="field-value" id="lbl-sip">0</span></div>
<div class="field-input-row">
<input type="range" id="sl-sip" min="0" max="300" step="5" value="0" oninput="syncLabel('sip',this.value,v=>'₹'+v+'K');updateHeader();syncInput('sip',this.value)">
<input type="number" id="in-sip" min="0" max="300" step="5" value="0" oninput="syncSlider('sip',this.value);syncLabel('sip',this.value,v=>'₹'+v+'K');updateHeader()">
</div>
</div>
<div class="field">
<div class="field-label"><span>Step-up Rate %</span><span class="field-value" id="lbl-stepup">10</span></div>
<div class="field-input-row">
<input type="range" id="sl-stepup" min="0" max="30" step="1" value="10" oninput="syncLabel('stepup',this.value,v=>v+'%');syncInput('stepup',this.value)">
<input type="number" id="in-stepup" min="0" max="30" step="1" value="10" oninput="syncSlider('stepup',this.value);syncLabel('stepup',this.value,v=>v+'%')">
</div>
</div>
<div class="field">
<div class="field-label"><span>Step-up Every (months)</span><span class="field-value" id="lbl-stepm">12</span></div>
<div class="field-input-row">
<input type="range" id="sl-stepm" min="6" max="24" step="6" value="12" oninput="syncLabel('stepm',this.value);syncInput('stepm',this.value)">
<input type="number" id="in-stepm" min="6" max="24" step="6" value="12" oninput="syncSlider('stepm',this.value);syncLabel('stepm',this.value)">
</div>
</div>
<div class="section-hdr">🏦 War Chest</div>
<div class="field">
<div class="field-label"><span>Monthly Addition (₹K)</span><span class="field-value" id="lbl-wcm">25</span></div>
<div class="field-input-row">
<input type="range" id="sl-wcm" min="0" max="150" step="5" value="25" oninput="syncLabel('wcm',this.value,v=>'₹'+v+'K');updateHeader();syncInput('wcm',this.value)">
<input type="number" id="in-wcm" min="0" max="150" step="5" value="25" oninput="syncSlider('wcm',this.value);syncLabel('wcm',this.value,v=>'₹'+v+'K');updateHeader()">
</div>
</div>
<div class="field">
<div class="field-label"><span>Parking Return %</span><span class="field-value" id="lbl-wcp">7.0</span></div>
<div class="field-input-row">
<input type="range" id="sl-wcp" min="3" max="12" step="0.5" value="7" oninput="syncLabel('wcp',this.value,v=>parseFloat(v).toFixed(1)+'%');syncInput('wcp',this.value)">
<input type="number" id="in-wcp" min="3" max="12" step="0.5" value="7" oninput="syncSlider('wcp',this.value);syncLabel('wcp',this.value,v=>parseFloat(v).toFixed(1)+'%')">
</div>
</div>
<div class="field">
<div class="field-label"><span>Cooldown (months)</span><span class="field-value" id="lbl-wcc">6</span></div>
<div class="field-input-row">
<input type="range" id="sl-wcc" min="1" max="18" step="1" value="6" oninput="syncLabel('wcc',this.value);syncInput('wcc',this.value)">
<input type="number" id="in-wcc" min="1" max="18" step="1" value="6" oninput="syncSlider('wcc',this.value);syncLabel('wcc',this.value)">
</div>
</div>
<div class="field">
<div class="field-label"><span>Deploy at −5%</span><span class="field-value" id="lbl-d5">20%</span></div>
<div class="field-input-row">
<input type="range" id="sl-d5" min="0" max="100" step="5" value="20" oninput="syncLabel('d5',this.value,v=>v+'%');syncInput('d5',this.value)">
<input type="number" id="in-d5" min="0" max="100" step="5" value="20" oninput="syncSlider('d5',this.value);syncLabel('d5',this.value,v=>v+'%')">
</div>
</div>
<div class="field">
<div class="field-label"><span>Deploy at −10%</span><span class="field-value" id="lbl-d10">45%</span></div>
<div class="field-input-row">
<input type="range" id="sl-d10" min="0" max="100" step="5" value="45" oninput="syncLabel('d10',this.value,v=>v+'%');syncInput('d10',this.value)">
<input type="number" id="in-d10" min="0" max="100" step="5" value="45" oninput="syncSlider('d10',this.value);syncLabel('d10',this.value,v=>v+'%')">
</div>
</div>
<div class="field">
<div class="field-label"><span>Deploy at −20%</span><span class="field-value" id="lbl-d20">75%</span></div>
<div class="field-input-row">
<input type="range" id="sl-d20" min="0" max="100" step="5" value="75" oninput="syncLabel('d20',this.value,v=>v+'%');syncInput('d20',this.value)">
<input type="number" id="in-d20" min="0" max="100" step="5" value="75" oninput="syncSlider('d20',this.value);syncLabel('d20',this.value,v=>v+'%')">
</div>
</div>
<div class="field">
<div class="field-label"><span>Deploy at −30%</span><span class="field-value" id="lbl-d30">100%</span></div>
<div class="field-input-row">
<input type="range" id="sl-d30" min="0" max="100" step="5" value="100" oninput="syncLabel('d30',this.value,v=>v+'%');syncInput('d30',this.value)">
<input type="number" id="in-d30" min="0" max="100" step="5" value="100" oninput="syncSlider('d30',this.value);syncLabel('d30',this.value,v=>v+'%')">
</div>
</div>
<div class="section-hdr">🧾 Tax & Inflation</div>
<div class="field">
<div class="field-label"><span>LTCG Rate %</span><span class="field-value" id="lbl-ltcg">12.5</span></div>
<div class="field-input-row">
<input type="range" id="sl-ltcg" min="5" max="30" step="0.5" value="12.5" oninput="syncLabel('ltcg',this.value,v=>parseFloat(v).toFixed(1)+'%');syncInput('ltcg',this.value)">
<input type="number" id="in-ltcg" min="5" max="30" step="0.5" value="12.5" oninput="syncSlider('ltcg',this.value);syncLabel('ltcg',this.value,v=>parseFloat(v).toFixed(1)+'%')">
</div>
</div>
<div class="field">
<div class="field-label"><span>Annual Exemption (₹K)</span><span class="field-value" id="lbl-exempt">125</span></div>
<div class="field-input-row">
<input type="range" id="sl-exempt" min="0" max="500" step="25" value="125" oninput="syncLabel('exempt',this.value,v=>'₹'+v+'K');syncInput('exempt',this.value)">
<input type="number" id="in-exempt" min="0" max="500" step="25" value="125" oninput="syncSlider('exempt',this.value);syncLabel('exempt',this.value,v=>'₹'+v+'K')">
</div>
</div>
<div class="field">
<div class="field-label"><span>Inflation Rate %</span><span class="field-value" id="lbl-infl">6.0</span></div>
<div class="field-input-row">
<input type="range" id="sl-infl" min="2" max="15" step="0.5" value="6" oninput="syncLabel('infl',this.value,v=>parseFloat(v).toFixed(1)+'%');syncInput('infl',this.value)">
<input type="number" id="in-infl" min="2" max="15" step="0.5" value="6" oninput="syncSlider('infl',this.value);syncLabel('infl',this.value,v=>parseFloat(v).toFixed(1)+'%')">
</div>
</div>
<div class="section-hdr">🎯 Target</div>
<div class="field">
<div class="field-label"><span>Target Corpus (₹Cr)</span><span class="field-value" id="lbl-tgt">10</span></div>
<div class="field-input-row">
<input type="range" id="sl-tgt" min="1" max="50" step="1" value="10" oninput="syncLabel('tgt',this.value,v=>'₹'+v+'Cr');syncInput('tgt',this.value)">
<input type="number" id="in-tgt" min="1" max="50" step="1" value="10" oninput="syncSlider('tgt',this.value);syncLabel('tgt',this.value,v=>'₹'+v+'Cr')">
</div>
</div>
<!-- ── FUND SECTION ── -->
<div class="section-hdr">📈 Funds</div>
<div class="weight-bar-wrap">
<div class="weight-bar-track">
<div class="weight-bar-fill" id="wt-fill" style="width:100%;background:var(--green)"></div>
</div>
<div class="weight-label">
<span style="color:var(--muted)">Total Weight</span>
<span id="wt-total" style="color:var(--green);font-weight:700">100%</span>
</div>
</div>
<div class="fund-list" id="fund-list"></div>
<button class="btn-add-fund" onclick="addFund()">＋ Add Fund</button>
<div class="progress-wrap" id="progress-wrap">
<div class="progress-track"><div class="progress-fill" id="progress-fill"></div></div>
<div class="progress-label" id="progress-label">Preparing…</div>
</div>
<!-- Validation & Error System -->
<div class="validation-wrap" id="validation-wrap">
<div class="validation-track"><div class="validation-fill" id="validation-fill"></div></div>
<div class="validation-label">
<span style="color:var(--muted)">Input Validation</span>
<span id="validation-status" style="color:var(--green)">Valid</span>
</div>
</div>
<div class="error-display" id="error-display">
<h4>⚠ Input Error</h4>
<p id="error-message">Please check your inputs and try again.</p>
</div>
<div class="warning-display" id="warning-display">
<h4>⚠ Warning</h4>
<p id="warning-message">Some inputs may need attention.</p>
</div>
<div class="success-display" id="success-display">
<h4>✓ Ready to Run</h4>
<p id="success-message">All inputs are valid. You can now run the simulation.</p>
</div>
</aside>
<!-- ═══════════════════ MAIN ═══════════════════ -->
<main class="main" id="main-panel">
<div class="empty-state" id="empty-state">
<div class="empty-icon">◈</div>
<div class="empty-title">Simulation Ready</div>
<div class="empty-sub">Configure your portfolio in the sidebar — adjust SIP, war chest, fund allocations — then hit RUN SIMULATION to see 5,000+ Monte Carlo paths.</div>
</div>
</main>
</div>
<script>
// ═══════════════════════════════════════════════════════════
// STATE
// ═══════════════════════════════════════════════════════════
const PALETTE = [
'#f0a500','#3d8ef0','#10c98f','#f03d5e','#8b6af0',
'#f07830','#10b8c9','#e8c030','#c0e840','#f070c0',
];
let funds = [
{ id:1, name:'Fund 1', weight:20, mean:12.0, std:18.0 },
{ id:2, name:'Fund 2', weight:20, mean:14.0, std:22.0 },
{ id:3, name:'Fund 3', weight:20, mean:10.0, std:15.0 },
{ id:4, name:'Fund 4', weight:20, mean:8.0, std:12.0 },
{ id:5, name:'Fund 5', weight:20, mean:6.0, std:8.0 },
];
let nextId = 6;
let charts = {};
let simRunning = false;
// Correlation matrix — expandable up to 10 funds
const BASE_CORR = [
[1.00,0.82,0.65,0.25,0.75,0.70,0.60,0.55,0.50,0.45],
[0.82,1.00,0.70,0.28,0.85,0.75,0.65,0.60,0.55,0.50],
[0.65,0.70,1.00,0.55,0.72,0.68,0.60,0.55,0.50,0.45],
[0.25,0.28,0.55,1.00,0.30,0.35,0.40,0.45,0.30,0.25],
[0.75,0.85,0.72,0.30,1.00,0.78,0.68,0.62,0.57,0.52],
[0.70,0.75,0.68,0.35,0.78,1.00,0.72,0.66,0.60,0.55],
[0.60,0.65,0.60,0.40,0.68,0.72,1.00,0.70,0.64,0.58],
[0.55,0.60,0.55,0.45,0.62,0.66,0.70,1.00,0.68,0.62],
[0.50,0.55,0.50,0.30,0.57,0.60,0.64,0.68,1.00,0.72],
[0.45,0.50,0.45,0.25,0.52,0.55,0.58,0.62,0.72,1.00],
];
function getCorr(n) {
return BASE_CORR.slice(0,n).map(r=>r.slice(0,n));
}
function calculateMilestoneMonths(currentAge, targetAge, simYears) {
const totalM = simYears*12;
const targetM = Math.min((targetAge-currentAge)*12, totalM);
// Calculate milestone ages based on current age and target age
const milestoneAges = [];
const steps = [0.2, 0.5, 0.8, 1.0]; // 20%, 50%, 80%, 100% of the way
steps.forEach(step => {
const milestoneAge = Math.round(currentAge + step * (targetAge - currentAge));
milestoneAges.push(milestoneAge);
});
// Convert ages to months, ensuring we don't exceed totalM
return milestoneAges.map(age => {
const months = Math.min((age - currentAge) * 12, totalM);
return Math.max(0, months);
});
}
// Update simulation years based on age difference
function updateSimulationYears() {
const currentAge = v('sl-age');
const targetAge = v('sl-tage');
// Validate age inputs
if (targetAge <= currentAge) {
alert('Target Age must be greater than Current Age');
return;
}
const years = targetAge - currentAge;
// Update the simulation years slider
const yearsSlider = document.getElementById('sl-years');
yearsSlider.value = years;
yearsSlider.disabled = false; // Enable the slider to show the calculated value
// Update the label
syncLabel('years', years);
// Update header to show the calculated years
document.getElementById('topbar-meta').textContent =
`Simulation will run for ${years} years (${currentAge} → ${targetAge})`;
}
// ═══════════════════════════════════════════════════════════
// VALIDATION SYSTEM
// ═══════════════════════════════════════════════════════════
const v = id => +document.getElementById(id).value;
const cr = x => '₹'+(x/1e7).toFixed(2)+'Cr';
const crS = x => '₹'+(x/1e7).toFixed(1)+'Cr';
// Validation state
let validationState = {
isValid: true,
hasWarnings: false,
errors: [],
warnings: []
};
function validateInputs() {
const errors = [];
const warnings = [];
// Age validation
const currentAge = v('sl-age');
const targetAge = v('sl-tage');
if (targetAge <= currentAge) {
errors.push('Target Age must be greater than Current Age');
}
if (currentAge < 18 || currentAge > 70) {
warnings.push('Current Age is outside typical retirement planning range (18-70)');
}
if (targetAge < 25 || targetAge > 80) {
warnings.push('Target Age is outside typical retirement planning range (25-80)');
}
// Simulation parameters
const sims = v('sl-sims');
if (sims < 100) {
errors.push('Simulations should be at least 100 for meaningful results');
}
if (sims > 100000) {
warnings.push('Very high simulation count may cause performance issues');
}
// Financial inputs
const corpus = v('sl-corpus') * 100000;
const wcInit = v('sl-wci') * 100000;
const sip = v('sl-sip') * 1000;
const wcMonthly = v('sl-wcm') * 1000;
const targetCorpus = v('sl-tgt') * 1e7;
if (corpus < 0) errors.push('Starting Corpus cannot be negative');
if (wcInit < 0) errors.push('War Chest Initial cannot be negative');
if (sip < 0) errors.push('Monthly SIP cannot be negative');
if (wcMonthly < 0) errors.push('War Chest Monthly Addition cannot be negative');
if (targetCorpus <= 0) errors.push('Target Corpus must be positive');
// Check if target is unrealistic
const totalMonthly = sip + wcMonthly;
const years = targetAge - currentAge;
const maxPossible = corpus * Math.pow(1.2, years) + totalMonthly * 12 * years * 2; // Very optimistic estimate
if (targetCorpus > maxPossible * 1.5) {
warnings.push('Target Corpus may be unrealistic given current inputs');
}
// Fund validation
const totalWeight = funds.reduce((s,f)=>s+f.weight,0);
if (Math.abs(totalWeight - 100) > 1) {
errors.push(`Fund weights sum to ${totalWeight.toFixed(1)}% (must be 100%)`);
}
// Check for extreme fund parameters
funds.forEach(f => {
if (f.mean < -5 || f.mean > 50) {
warnings.push(`Fund "${f.name}" has extreme expected return (${f.mean}%)`);