.tab-bar {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #fff;
  border-top: 1px solid #eee;
  z-index: 100;
  height: 56px;
  box-shadow: 0 -2px 4px rgba(0,0,0,0.03);
}

.tab-item {
  flex: 1 1 0;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #7a7a7a;
  font-size: 18px;
  padding: 0;
  transition: color 0.18s;
}

.tab-item.active,
.tab-item:focus {
  color: #1877f2; /* Blue */
}
.chat-item:focus,
.chat-item:active,
.tab-item:active {
  background: #f0f2f5;
}

.bubble-50{
  white-space: pre-wrap;
  font-family: monospace;
  display: inline-block;
  max-width:70%;
  word-wrap:break-word;
  border-radius: 1.1rem;
}
.bubble-tail {
  position: absolute;
  top: 10px; /* Adjust as needed */
  height: 0;
  width: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
}

.bubble-tail-left {
  left: -8px;
  border-right: 10px solid #f8f9fa;
}

.bubble-tail-right {
  right: -8px;
  border-left: 10px solid #cdffe1;
}

.announcement-card:hover {
  box-shadow: 0 0.7rem 2rem #adb5bd4e;
  transform: translateY(-2px) scale(1.01);
  border-color: #6c63ff;
}
.announcement-card .card-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
video-js {
    font-size: 16px;
    color: #cacaca;
  }


  .vjs-default-skin .vjs-big-play-button {
    font-size: 4em;
    width: 1.5em;
    height: 1.5em;
    line-height: 1.5em;
    border-radius: 50%;
    background: transparent;
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%, -50%);
    display: none;
  }


  /* Control bar background */
  .video-js .vjs-control-bar,
  .video-js .vjs-big-play-button {
    background-color: rgba(38, 38, 38, 0.9);
    border-radius: 0.5em;
  }


  .video-js .vjs-control {
    border-right: 1px solid #323232;
  }


  .video-js .vjs-play-control:before {
    content: '\25BA';
    font-size: 1.2em;
  }


  .video-js .vjs-playing .vjs-play-control:before {
    content: '\23F8';
  }


  /* Fullscreen control */
  .video-js .vjs-fullscreen-control:before {
    content: '\26F6';
  }


  /* Volume control */
  .video-js .vjs-volume-menu-button:before {
    content: '\1F50A';
  }


  /* Progress bar styles */
  .video-js .vjs-progress-control {
    height: 0.9em;
    background-color: rgba(38, 38, 38, 0.9);
    border-radius: 1em;
  }


  .video-js .vjs-play-progress {
    background: #b7090b;
    border-radius: 1em;
  }


  .video-js .vjs-load-progress {
    background: rgba(38, 38, 38, 0.5);
  }


  /* Slider handle customization */
  .video-js .vjs-play-progress:before {
    content: '';
    position: absolute;
    width: 1em;
    height: 1em;
    border-radius: 50%;
    background: radial-gradient(circle, #b7090b 33%, #830607);
    transform: translate(-50%, -50%);
    top: 50%;
    left: 100%;
    box-shadow: 0 0 2px #000;
  }


  .video-js .vjs-play-progress:hover:before {
    width: 1.2em;
    height: 1.2em;
  }


  .video-js .vjs-time-tooltip {
    background: #cacaca !important;
    color: #b7090b !important;
    border-radius: 3px;
  }

  .video-js:hover .vjs-control-bar {
    bottom: 2em;
    transition: bottom 0.3s ease-in-out;
  }


  .video-js.vjs-fullscreen .vjs-control-bar {
    bottom: 3em;
  }