/* Reset CSS */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: Arial, sans-serif;
  font-size: 100%;
  vertical-align: baseline;
  background-color: #0a192f;
  color: #e6f1ff;
  overflow-x: hidden;
  line-height: 1;
}

img {
  width: 100vw;
}

ol, ul {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

blockquote, q {
  quotes: none;
}
blockquote::before, blockquote::after,
q::before, q::after {
  content: '';
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}


 .header {
 width: 100%;
 height: 50px;
 background-color: #00ced1; /* Màu xanh trên cùng */
 text-align: right;
 }

 .header > .menu-icon {
 font-size: 20px;
 color: #000;
 cursor: pointer;
 line-height: 50px;
 padding: 0 15px;
 }
 
  .fix{
   width: 100%;
   position: fixed;
   top: 0;
   z-index: 9;
 }
.sidebar {

  position: fixed;
  top: 0;
  left: 0;
  width: 250px;
  height: 100vh;
  background-color: #3468c2; 
  color: #fff;
  display: none;
  flex-direction: column;
  padding: 20px 15px 5vh 15px;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
  z-index: 9999999999;
  overflow-y: scroll;
  animation: menuIn .5s ease-out;
  }
  @keyframes menuIn {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

  .menu {
  flex-grow: 1;
  animation: slideIn 1s ease-out;
  }
  @keyframes slideIn {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

  .menu a {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #fff;
  padding: 10px;
  border-radius: 5px;
  margin: 20px 0 10px 0;
  transition: background-color 0.3s ease;
  }

  .menu a:hover {
  background-color: #274a89; 
  }

  .menu a i {
  font-size: 20px;
  margin-right: 10px;
  }



.header {
    width: 100%;
    height: 50px;
    background-color: #00ced1;
    text-align: right;
  }

  .header .menu-icon {
    font-size: 20px;
    color: #000;
    cursor: pointer;
    line-height: 50px;
    padding: 0 15px;
  }
  
/*
  #video .ifvideo {
    position: absolute;
    width: 100%;
    min-height: calc(100vw * 9 / 16);
  }

  .video-section {
    text-align: center;
    width: 100%;
    border-top: 10px solid #001326;
  }

  #player {
    width: 100vw;
    height: calc(100vw * 9 / 16);
    border: 0;
  }
*/
  .fix {
    width: 100%;
    position: fixed;
    top: 0;
    z-index: 1000;
  }