:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{font-family:system-ui,sans-serif;margin:0;background:#f8f9fa;color:#222}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}header{background:#2d3e50;color:#fff;padding:1rem 0;text-align:center}header nav a{color:#fff;margin:0 1rem;text-decoration:none;font-weight:500}header nav a:hover{text-decoration:underline}.hero{background:#e9ecef;padding:2rem 1rem;text-align:center}.cards{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;margin:2rem 0}.card{background:#fff;border-radius:8px;box-shadow:0 2px 8px #00000012;padding:1.5rem 2rem;font-size:1.2rem;display:flex;flex-direction:column;align-items:center;min-width:160px;cursor:pointer;transition:box-shadow .2s}.card:hover{box-shadow:0 4px 16px #00000021}.result-box{background:#e9ecef;border-radius:6px;padding:1rem;margin:1rem 0;font-weight:700}footer{background:#2d3e50;color:#fff;text-align:center;padding:1rem 0;margin-top:2rem}.calculator-container{max-width:800px;margin:0 auto;padding:2rem;background:#fff;border-radius:12px;box-shadow:0 4px 20px #0000001a}.calculator-container h2{text-align:center;color:#2d3e50;margin-bottom:2rem;font-size:2rem}.calculator-form{display:flex;flex-direction:column;gap:1.5rem}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:600;color:#2d3e50;font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.form-group input,.form-group select{padding:.75rem;border:2px solid #e9ecef;border-radius:8px;font-size:1rem;transition:border-color .2s,box-shadow .2s;background:#fff;color:#333}.form-group input:focus,.form-group select:focus{outline:none;border-color:#007bff;box-shadow:0 0 0 3px #007bff1a;background:#fff}.form-group input::placeholder{color:#6c757d;font-style:italic}.form-group select{cursor:pointer}.form-group select option{background:#fff;color:#333;padding:.5rem}.form-actions{display:flex;justify-content:center;margin-top:1rem}.calculate-btn{background:#007bff;color:#fff;border:none;padding:1rem 2rem;border-radius:8px;font-size:1.1rem;font-weight:600;cursor:pointer;transition:background-color .2s,transform .1s;text-transform:uppercase;letter-spacing:.5px}.calculate-btn:hover{background:#0056b3;transform:translateY(-1px)}.calculate-btn:active{transform:translateY(0)}.result-container{margin-top:2rem;text-align:center}.result-box{background:linear-gradient(135deg,#28a745,#20c997);color:#fff;border-radius:12px;padding:1.5rem;font-size:1.3rem;font-weight:700;box-shadow:0 4px 15px #28a7454d;display:inline-block;min-width:300px}.payment-breakdown{margin-top:2rem;background:#f8f9fa;border-radius:12px;padding:1.5rem}.payment-breakdown h3{color:#2d3e50;margin-bottom:1rem;text-align:center}.breakdown-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.breakdown-item{background:#fff;padding:1rem;border-radius:8px;border-left:4px solid #007bff;box-shadow:0 2px 8px #0000000d}.breakdown-label{font-size:.9rem;color:#6c757d;text-transform:uppercase;letter-spacing:.5px;margin-bottom:.25rem}.breakdown-value{font-size:1.2rem;font-weight:700;color:#2d3e50}.total-payment{background:linear-gradient(135deg,#28a745,#20c997);color:#fff;padding:1rem;border-radius:8px;text-align:center;font-size:1.3rem;font-weight:700;box-shadow:0 4px 15px #28a7454d}.amortization-table{margin-top:2rem;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px #0000001a}.amortization-table h3{background:#2d3e50;color:#fff;margin:0;padding:1rem;text-align:center}.amortization-table table{width:100%;border-collapse:collapse}.amortization-table th{background:#f8f9fa;color:#2d3e50;font-weight:600;text-transform:uppercase;letter-spacing:.5px;font-size:.8rem;padding:.75rem;text-align:center;border-bottom:2px solid #e9ecef}.amortization-table td{padding:.75rem;text-align:center;border-bottom:1px solid #e9ecef;font-size:.9rem}.amortization-table tr:hover{background:#f8f9fa}@media (max-width: 768px){.calculator-container{margin:1rem;padding:1.5rem}.form-row{grid-template-columns:1fr;gap:1rem}.calculate-btn{width:100%}.breakdown-grid{grid-template-columns:1fr}.amortization-table{overflow-x:auto}.amortization-table table{min-width:500px}}