body {
            margin: 0;
            overflow: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            font-family: Arial, sans-serif;
            background: radial-gradient(circle, rgba(96, 0, 150, 0.8), rgba(0, 0, 0, 0.9));
            color: white;
        }

        .background {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
        }

        .circle {
            position: absolute;
            border: 2px solid rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            animation: pulse 4s infinite;
        }

        @keyframes pulse {
            0% {
                transform: scale(0.5);
                opacity: 0.5;
            }
            50% {
                transform: scale(1.2);
                opacity: 1;
            }
            100% {
                transform: scale(2);
                opacity: 0;
            }
        }

        .circle:nth-child(1) {
            width: 200px;
            height: 200px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            animation-delay: 0s;
        }

        .circle:nth-child(2) {
            width: 300px;
            height: 300px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            animation-delay: 1s;
        }

        .circle:nth-child(3) {
            width: 400px;
            height: 400px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            animation-delay: 2s;
        }

        .timer {
            position: relative;
            width: 550px;
            height: 550px;
            display: flex;
            justify-content: center;
            align-items: center;
            border: 4px solid rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 0, 255, 0.1), rgba(0, 0, 0, 0));
            box-shadow: 0 0 20px rgba(255, 0, 255, 0.8), inset 0 0 10px rgba(255, 0, 255, 0.5);
            z-index: 1;
        }

        .timer span {
            font-size: 10rem;
            color: #f8f8f8;
            text-shadow: 0 0 10px rgba(255, 0, 255, 0.8), 0 0 20px rgba(255, 0, 255, 0.5);
        }

        @media (max-width: 768px) {
            .timer {
                width: 150px;
                height: 150px;
            }
            .timer span {
                font-size: 2rem;
            }
        }