#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}nav ul{display:flex;justify-content:center;list-style:none;padding:0}nav ul li{margin:0 10px}nav ul li a{text-decoration:none;color:#42b983;font-weight:700}nav ul li a.router-link-active{color:#35495e}.login-container{max-width:400px;margin:0 auto;padding:20px;border:1px solid #ddd;border-radius:5px;background-color:#f9f9f9}.form-group{margin-bottom:15px}.alert{color:#d9534f}.error{color:red;margin-top:10px}.logout-button{background-color:#ff4d4f;color:#fff;border:none;padding:10px 15px;border-radius:5px;cursor:pointer;margin-bottom:20px}.logout-button:hover{background-color:#ff7875}.statistics{margin-top:20px}.stat{background:#f9f9f9;border:1px solid #ddd;padding:10px;margin:5px 0;border-radius:5px}.card-img-top{max-height:200px;-o-object-fit:cover;object-fit:cover}.appointment-form{margin-bottom:20px}.appointment-form div{margin-bottom:10px}.error{color:red}.transaction-form{margin-bottom:20px}.transaction-form div{margin-bottom:10px}button{background-color:#007bff;color:#fff;padding:10px 15px;border:none;border-radius:5px}button:hover{background-color:#0056b3}ul{list-style:none;padding:0}li{background:#f9f9f9;border:1px solid #ddd;padding:10px;margin-bottom:10px;border-radius:5px}.navbar-brand{font-weight:700}