@keyframes gradientRotate {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes shimmer {
    0% { opacity: 0.8; }
    50% { opacity: 1; }
    100% { opacity: 0.8; }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

body {
    height: 100vh;
    margin: 0;
    padding: clamp(5px, 1vw, 20px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    background: linear-gradient(135deg, 
        #667eea 0%, 
        #764ba2 25%, 
        #65b6ea 50%,
        #8c7ae6 75%,
        #667eea 100%
    );
    background-size: 400% 400%;
    animation: gradientRotate 15s ease infinite;
    color: #fff;
    box-sizing: border-box;
    overflow: hidden;
}

#title {
    position: fixed;
    top: 20px;
    left: 20px;
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 3px;
    background: linear-gradient(to right, #ffffff, #e0e0e0);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    animation: shimmer 2s infinite;
}

#timestamp {
    position: fixed;
    bottom: 20px;
    right: 20px;
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: pulse 2s infinite;
}