*{box-sizing:border-box;-webkit-user-select:none;user-select:none;touch-action:manipulation}*,body,html{margin:0;padding:0;-webkit-touch-callout:none}body,html{width:100vw;height:100vh;overflow:hidden;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol;background-color:#000;color:#fff;position:fixed;touch-action:none;-webkit-user-zoom:fixed;-ms-user-zoom:fixed}@media (orientation:landscape){body,html{width:100vh;height:100vw;transform:rotate(90deg);transform-origin:0 0;position:fixed;overflow:hidden}}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol;background-color:#000;color:#fff}a{text-decoration:none;color:inherit}h1,h2,h3,h4,h5,h6{margin:0}.container{max-width:1200px;margin:0 auto;padding:20px}.video-call{display:flex;flex-direction:column;align-items:center}.video-stream{width:100%;max-width:800px;border:2px solid #ccc;border-radius:8px;margin-bottom:20px}.call-request{background-color:#fff;border:1px solid #ccc;border-radius:8px;padding:15px;margin-bottom:20px;box-shadow:0 2px 4px rgba(0,0,0,.1)}.contact-list{list-style:none;padding:0}.contact-item{padding:10px;border-bottom:1px solid #eee;cursor:pointer}.contact-item:hover{background-color:#f9f9f9}.user-profile{display:flex;align-items:center;margin-bottom:20px}.user-profile img{border-radius:50%;width:50px;height:50px;margin-right:10px}.settings{background-color:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 4px rgba(0,0,0,.1)}