:root{font-family:Inter,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}}.app-container{max-width:600px;margin:0 auto;padding:20px;font-family:Arial,sans-serif;color:#333}.input-container{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}.input-field{padding:10px;font-size:16px;border:1px solid #ddd;border-radius:5px;outline:none}.input-field:focus{border-color:#007bff}.add-button,.delete-button,.edit-button,.save-button,.cancel-button{padding:8px 15px;font-size:14px;border:none;border-radius:5px;cursor:pointer;margin-top:10px;transition:background-color .3s}.add-button{background-color:#28a745;color:#fff}.add-button:hover{background-color:#218838}.delete-button{background-color:#dc3545;color:#fff;margin-right:10px}.delete-button:hover{background-color:#c82333}.edit-button{background-color:#007bff;color:#fff}.edit-button:hover{background-color:#0056b3}.save-button{background-color:#ffc107;color:#000;margin-right:10px}.save-button:hover{background-color:#e0a800}.cancel-button{background-color:#6c757d;color:#fff}.cancel-button:hover{background-color:#5a6268}.notes-container{display:flex;flex-direction:column;gap:15px}.note-card{padding:15px;border:1px solid #ddd;border-radius:5px;background-color:#f9f9f9;transition:box-shadow .3s}.note-card:hover{box-shadow:0 2px 8px #0000001a}.note-title{font-size:18px;font-weight:700;cursor:pointer;margin-bottom:5px}.note-title:hover{color:#007bff}.note-content{font-size:16px;margin-top:10px}