body {
    margin: 0;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #f5f5f3;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    transition: background-color 1.5s ease;
}

canvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
}

#clock {
    position: fixed;
    z-index: 2;
    font-size: 3.5em;
    letter-spacing: 0.1em;
    font-weight: 300;
    transition: all 1.5s ease;
    text-shadow: 0 0 20px rgba(0,0,0,0.05);
}

.serif {
    font-family: 'Times New Roman', serif !important;
}

.sans-serif {
    font-family: 'Helvetica Neue', Arial, sans-serif !important;
}

.controls {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 3;
    display: flex;
    gap: 15px;
}

.control-btn {
    padding: 15px 25px;
    border: none;
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: inherit;
    font-family: inherit;
    font-size: 1em;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 10px;
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.control-btn i {
    font-size: 0.9em;
}