*{box-sizing:border-box}body{color:#1c1e21;background:#f0f2f5;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}h1,h2,h3{margin-top:0}input,textarea,button{box-sizing:border-box;border:1px solid #ddd;border-radius:6px;font-family:inherit}input:focus,textarea:focus{border-color:#1877f2;outline:none}button{color:#fff;cursor:pointer;background:#1877f2;border:none;font-weight:600}button:hover{background:#166fe5}button:disabled{color:#bcc0c4;cursor:not-allowed;background:#e4e6eb}.room{color:#fff;background:#0f172a;height:100vh}.grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:10px;padding:10px;display:grid}video{border-radius:10px;width:100%}.local-video{border:2px solid #fff;width:200px;position:fixed;bottom:80px;right:20px}.controls{background:#000;justify-content:center;gap:20px;width:100%;padding:15px;display:flex;position:fixed;bottom:0}