*,*:before,*:after{box-sizing:border-box}:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body{margin:0;padding:0;min-height:100vh}body{background-color:var(--bg, #f1f5f9);transition:background-color .2s}#root{min-height:100vh}h1,h2,h3{margin:0;line-height:1.2}p{margin:0}button{cursor:pointer}:root{--principal-color: #6366f1;--interest-color: #f97316;--accent: #6366f1;--bg: #f1f5f9;--card-bg: #ffffff;--text-primary: #0f172a;--text-secondary: #64748b;--border: #e2e8f0;--slider-track: #e2e8f0;--shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 4px 16px rgba(0, 0, 0, .06);--radius: 16px;--radius-sm: 10px}html[data-theme=dark]{--bg: #0f172a;--card-bg: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--border: #334155;--slider-track: #334155;--shadow: 0 1px 3px rgba(0, 0, 0, .3), 0 4px 16px rgba(0, 0, 0, .3)}.app{max-width:1100px;margin:0 auto;padding:24px 16px 48px;display:flex;flex-direction:column;gap:20px}.card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;border:1px solid var(--border)}.app-header{display:flex;align-items:center;gap:16px;padding:8px 0 4px}.header-icon{width:52px;height:52px;background:linear-gradient(135deg,#6366f1,#8b5cf6);border-radius:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 4px 14px #6366f166}.header-icon svg{width:26px;height:26px;color:#fff}.header-text{flex:1}.app-header h1{font-size:1.75rem;font-weight:800;color:var(--text-primary);margin:0;letter-spacing:-.5px}.app-header p{color:var(--text-secondary);margin:2px 0 0;font-size:.9rem}.theme-toggle{width:42px;height:42px;border-radius:50%;border:1.5px solid 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20px;border-radius:calc(var(--radius) - 6px);border:none;background:transparent;font-size:.875rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:background .18s,color .18s,box-shadow .18s;font-family:inherit;white-space:nowrap}.tab-btn:hover{background:var(--bg);color:var(--text-primary)}.tab-btn.active{background:var(--accent);color:#fff;box-shadow:0 2px 8px #6366f159}.tab-btn svg{flex-shrink:0;opacity:.8}.reverse-hint{display:flex;align-items:flex-start;gap:10px;background:color-mix(in srgb,var(--accent) 8%,transparent);border:1px solid color-mix(in srgb,var(--accent) 25%,transparent);border-radius:var(--radius-sm);padding:12px 14px;margin-bottom:24px;color:var(--accent);font-size:.82rem;font-weight:500;line-height:1.5}.reverse-hint svg{flex-shrink:0;margin-top:1px}.input-group{margin-bottom:24px}.input-group:last-child{margin-bottom:0}.input-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;gap:12px}.input-row 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input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none}.input-suffix{font-size:.8rem;color:var(--text-secondary);font-weight:600;white-space:nowrap}.unit-label{font-size:.78rem;font-weight:600;color:var(--accent);text-align:right;margin-bottom:8px;font-style:italic;letter-spacing:.1px}.slider{-webkit-appearance:none;appearance:none;width:100%;height:5px;border-radius:4px;background:var(--slider-track);outline:none;cursor:pointer;transition:opacity .2s}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--accent);cursor:pointer;border:3px solid white;box-shadow:0 0 0 1.5px var(--accent),0 2px 6px #6366f166;transition:transform .15s,box-shadow .15s}.slider::-webkit-slider-thumb:hover{transform:scale(1.15);box-shadow:0 0 0 2px var(--accent),0 4px 12px #6366f180}.slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--accent);cursor:pointer;border:3px solid white;box-shadow:0 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#6366f14d}.emi-label{font-size:.85rem;font-weight:600;color:#fffc;text-transform:uppercase;letter-spacing:.5px}.emi-amount-block{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.emi-amount{font-size:1.9rem;font-weight:800;color:#fff;letter-spacing:-1px;line-height:1}.emi-words{font-size:.72rem;font-weight:500;color:#ffffffb3;font-style:italic;letter-spacing:.1px;text-align:right;width:100%}.chart-layout{display:flex;align-items:center;gap:20px;margin-bottom:24px}.pie-chart{flex-shrink:0}.chart-center-label{font-size:1.3rem;font-weight:800;fill:var(--text-primary);font-family:inherit}.chart-center-sublabel{font-size:.65rem;fill:var(--text-secondary);font-family:inherit;text-transform:uppercase;letter-spacing:.5px}.legend{flex:1;display:flex;flex-direction:column;gap:10px}.legend-item{display:flex;align-items:center;gap:12px}.legend-dot{width:12px;height:12px;border-radius:3px;flex-shrink:0}.legend-content{display:flex;flex-direction:column;gap:1px}.legend-title{font-size:.78rem;color:var(--text-secondary);font-weight:500}.legend-amount{font-size:.9rem;font-weight:700;color:var(--text-primary)}.total-amount{color:var(--accent)}.legend-divider{height:1px;background:var(--border);margin:2px 0}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat-card{background:var(--bg);border-radius:var(--radius-sm);padding:14px 16px;display:flex;flex-direction:column;gap:4px;border:1px solid var(--border)}.stat-label{font-size:.72rem;color:var(--text-secondary);font-weight:600;text-transform:uppercase;letter-spacing:.4px}.stat-value{font-size:.95rem;font-weight:800;color:var(--text-primary)}.principal-stat .stat-value{color:var(--principal-color)}.interest-stat .stat-value{color:var(--interest-color)}.amortization-section{padding:0;overflow:hidden}.amortization-header{display:flex;align-items:center;gap:8px;padding-right:16px}.toggle-table-btn{flex:1;display:flex;align-items:center;justify-content:space-between;padding:18px 12px 18px 28px;background:transparent;border:none;cursor:pointer;font-size:.95rem;font-weight:700;color:var(--text-primary);font-family:inherit;transition:color .15s}.toggle-table-btn:hover{color:var(--accent)}.chevron{font-size:1.2rem;transition:transform .25s;display:inline-block;color:var(--accent);margin-left:8px}.chevron.open{transform:rotate(180deg)}.copy-img-btn{display:flex;align-items:center;gap:6px;padding:7px 14px;border-radius:8px;border:1.5px solid var(--border);background:transparent;color:var(--text-secondary);font-size:.78rem;font-weight:600;font-family:inherit;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:background .15s,color .15s,border-color .15s,box-shadow .15s}.copy-img-btn:hover:not(:disabled){background:color-mix(in srgb,var(--accent) 8%,transparent);border-color:var(--accent);color:var(--accent)}.copy-img-btn:disabled{opacity:.5;cursor:not-allowed}.copy-img-btn.done{border-color:#22c55e;color:#22c55e;background:color-mix(in srgb,#22c55e 8%,transparent)}.copy-img-btn.error{border-color:#ef4444;color:#ef4444;background:color-mix(in srgb,#ef4444 8%,transparent)}.copy-img-btn.copying{border-color:var(--accent);color:var(--accent)}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:spin .7s linear infinite}.table-wrapper{overflow-x:auto;border-top:1px solid var(--border);max-height:420px;overflow-y:auto}table{width:100%;border-collapse:collapse;font-size:.85rem}thead{position:sticky;top:0;z-index:1}thead tr{background:var(--bg)}th{padding:12px 16px;text-align:right;font-size:.72rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}th:first-child,td:first-child{text-align:left}td{padding:11px 16px;text-align:right;color:var(--text-primary);border-bottom:1px solid var(--border);font-variant-numeric:tabular-nums}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:var(--bg)}.month-cell{color:var(--text-secondary);font-weight:600}.principal-cell{color:var(--principal-color);font-weight:600}.interest-cell{color:var(--interest-color);font-weight:600}