body {
            font-family: 'Inter', sans-serif;
            background-color: #f3f4f6;
        }
.bg-container {
            background-image: url("/static/img/host.jpg");
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            transition: background-image 1s ease-in-out;
      }
.spinner {
            border: 4px solid rgba(255, 255, 255, 0.3);
            border-top: 4px solid #fff;
            border-radius: 50%;
            width: 30px;
            height: 30px;
            animation: spin 1s linear infinite;
        }
@keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }