:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;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}h1{font-size:3.2em;line-height:1.1}button{font-family:inherit}.list-item{margin:4px 0;padding:6px 10px;border-radius:999px;background-color:#f4f4f5}.app{min-height:100vh;padding:20px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(135deg,#ffeaf3,#fffdf3)}.app-title{text-align:center;margin-bottom:24px}.section{max-width:600px;margin:0 auto 16px;background-color:#fff;border-radius:12px;padding:16px 20px;box-shadow:0 4px 12px #0000000f}.section-title{margin:0 0 8px;font-size:1.1rem}.section-content{margin-top:4px}.add-input{padding:8px 10px;border-radius:8px;border:1px solid #ddd;font-size:.95rem;margin-right:8px}.add-button{padding:8px 12px;border-radius:999px;border:none;font-size:.95rem;cursor:pointer;background-color:#ff9ac4;color:#fff}.cat-list{list-style-type:none;padding-left:0;margin:8px 0 0}.nav{display:flex;gap:16px;padding:12px 24px;background:#fffa;position:sticky;top:0;z-index:10}