: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{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}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}}body{margin:0;font-family:Arial,sans-serif;background:#f5f5f5;color:#1f2937;display:flex;justify-content:center;align-items:center;min-height:100vh}.app{width:100%;max-width:800px;padding:20px}.title{text-align:center;color:#1f2937;margin-bottom:30px;font-size:40px;font-weight:700}.dashboard{display:grid;grid-template-columns:1fr;gap:20px}.card{background:#fff;border-radius:14px;padding:24px;box-shadow:0 8px 25px #00000014;transition:transform .2s ease,box-shadow .2s ease;margin-top:10px}button{background:#4f46e5;color:#fff;border:none;padding:10px 16px;border-radius:8px;cursor:pointer;font-weight:500;transition:all .2s ease}button:hover{background:#4338ca;opacity:.9}input,select{padding:10px;border:1px solid #ddd;border-radius:6px;background:#fff;color:#1f2937}select{cursor:pointer}.form{display:flex;gap:10px;flex-wrap:wrap}.dashboard{display:grid;grid-template-columns:1fr;gap:24px}.expense-card{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.right{text-align:right}.balance{font-size:32px;color:#4f46e5;margin:10px 0}@media(max-width:600px){body{align-items:flex-start;padding-top:40px}.form{flex-direction:column}.expense-card{flex-direction:column;align-items:flex-start;gap:10px}}