*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background:#f5f5f5;color:#333}#app{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:2rem}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding:1rem;background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a}.header h1{font-size:1.5rem}.user-info{display:flex;align-items:center;gap:1rem}.login-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:2rem}.login-page h1{font-size:2.5rem}.btn{padding:.75rem 1.5rem;border:none;border-radius:4px;font-size:1rem;cursor:pointer;transition:all .2s}.btn-primary{background:#007bff;color:#fff}.btn-primary:hover{background:#0056b3}.btn-secondary{background:#6c757d;color:#fff}.btn-secondary:hover{background:#545b62}.btn-danger{background:#dc3545;color:#fff}.btn-danger:hover{background:#c82333}.notes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;margin-top:2rem}.note-card{background:#fff;padding:1.5rem;border-radius:8px;box-shadow:0 2px 4px #0000001a;display:flex;flex-direction:column;gap:1rem}.note-card h3{font-size:1.25rem;margin:0}.note-card p{color:#666;flex-grow:1}.note-actions{display:flex;gap:.5rem;justify-content:flex-end}.note-form{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 4px #0000001a;margin-bottom:2rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500}.form-group input,.form-group textarea{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem;font-family:inherit}.form-group textarea{min-height:150px;resize:vertical}.form-actions{display:flex;gap:.5rem;justify-content:flex-end}.empty-state{text-align:center;padding:3rem;color:#999}.loading{text-align:center;padding:3rem}