* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    margin: 0px;
    padding: 0px;
    font-family: 'Arial', sans-serif;
    height: 100vh;
    overflow: auto;
    color: #252535;
    background-color: #252535;
}

.background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1e1e2f 25%, #252535 25%, #252535 50%, #1e1e2f 50%, #1e1e2f 75%, #252535 75%, #252535);
    background-size: 400% 400%;
    animation: gradient 10s ease infinite;
}

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

.content {
    position: relative;
    z-index: 1;
    text-align: center;
    top: 5%; 
}

h1 {
    font-size: 2.5em; 
    margin-bottom: 10px;
    color: goldenrod;
}

h2 {
    margin: 10px 0;
    font-size: 1em; 
    color: gold;
}

.neon-button {
    padding: 15px 30px;
    font-size: 1.2em; 
    border: none;
    border-radius: 5px;
    background-color: transparent;
    color: #FFFFFF;
    text-transform: uppercase;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: color 0.4s ease;
    margin: 0 5px; 
}

.neon-button.cyan-button::before {
    background: linear-gradient(45deg, cyan, #00cfff); 
}

.neon-button.magenta-button::before {
    background: linear-gradient(45deg, magenta, #ff00ff); 
}

.neon-button.orange-button::before {
    background: linear-gradient(45deg, orange, #ff7b00); 
}


.neon-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    filter: blur(15px); 
    animation: glowing 20s linear infinite;
}



.neon-button:hover {
    color: #ff0080; 
}

.page {
    display: none;
}

.page.active {
    display: block;
}


.select-container {
    display: grid;
    grid-template-columns: 1fr 1fr; 
    gap: 16px; 
}

.select-item {
    display: flex;
    flex-direction: column;
}

.ip-port-container {
    display: flex;
    justify-content: space-between; 
}

.ip-port-item {
    flex: 1; 
    margin-right: 8px; 
}

.ip-port-item:last-child {
    margin-right: 0; 
}

.mobile-icon {
    font-size: 30px;
}

.mobile-img {
    width: 200px;
    height: 200px;
}

.mobile-video {
    width: 300px;
    height: 500px;
    padding-block-start: 10%;
}