body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f0f2f5;color:#333}#root{max-width:800px;margin:0 auto;padding:2rem}.App{background-color:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a;padding:2rem}h1{color:#1c1e21;font-size:2rem;margin-bottom:1.5rem;text-align:center}a{color:#007bff;text-decoration:none;transition:color .2s}a:hover{color:#0056b3}button{background-color:#007bff;color:#fff;border:none;border-radius:4px;padding:.5rem 1rem;font-size:1rem;cursor:pointer;transition:background-color .2s}button:hover{background-color:#0056b3}form{display:flex;flex-direction:column;gap:1rem}input[type=text],textarea{width:100%;padding:.5rem;border:1px solid #ccc;border-radius:4px;font-size:1rem}textarea{min-height:150px;resize:vertical}ul{list-style:none;padding:0}li{background-color:#f9f9f9;border:1px solid #ddd;border-radius:4px;margin-bottom:.5rem;padding:1rem;display:flex;justify-content:space-between;align-items:center}.diary-detail p{font-size:1.1rem;line-height:1.6;white-space:pre-wrap}.diary-detail .actions{margin-top:1rem;display:flex;gap:.5rem}