:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:#ffffffde;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#242424;font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}a{color:#646cff;-webkit-text-decoration:inherit;text-decoration:inherit;font-weight:500}a:hover{color:#535bf2}body{place-items:center;min-width:320px;min-height:100vh;margin:0;display:flex}h1{font-size:3.2em;line-height:1.1}button{cursor:pointer;background-color:#1a1a1a;border:1px solid #0000;border-radius:8px;padding:.6em 1.2em;font-family:inherit;font-size:1em;font-weight:500;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}}#root{text-align:center;max-width:1280px;margin:0 auto;padding:2rem}.container{flex-direction:column;align-items:center;gap:2rem;display:flex}h1{color:#646cff;margin-bottom:1rem}.calculator-grid{text-align:left;grid-template-columns:1fr 1fr;gap:2rem;width:100%;max-width:900px;display:grid}.form-card,.result-card{background-color:#1a1a1a;border:1px solid #333;border-radius:12px;padding:2rem;box-shadow:0 4px 20px #0000004d}.input-group{flex-direction:column;gap:.5rem;margin-bottom:1.5rem;display:flex}label{color:#aaa;font-size:.9rem}input{color:#fff;background-color:#2a2a2a;border:1px solid #444;border-radius:6px;padding:.8rem;font-size:1rem}input:focus{border-color:#646cff;outline:none}button{color:#fff;cursor:pointer;background-color:#646cff;border:none;border-radius:6px;width:100%;padding:1rem;font-weight:700;transition:background-color .2s}button:hover{background-color:#535bf2}button:disabled{cursor:not-allowed;background-color:#444}.results h2{border-bottom:1px solid #333;margin-top:0;margin-bottom:1.5rem;padding-bottom:.5rem}.result-item{border-bottom:1px solid #222;justify-content:space-between;margin-bottom:1rem;padding:.5rem 0;display:flex}.result-item.highlight{background-color:#222;border-bottom:none;border-radius:6px;margin-top:1rem;padding:1rem}.profit{color:#4ade80}.loss{color:#f87171}.error-message{color:#f87171;background-color:#f871711a;border:1px solid #f87171;border-radius:6px;margin-bottom:1rem;padding:1rem}.placeholder{color:#666;text-align:center;justify-content:center;align-items:center;height:100%;font-style:italic;display:flex}@media (width<=768px){.calculator-grid{grid-template-columns:1fr}}