/* Some common values stored as variables */


:root {
    /* these are going to define aspect ratio for all video sizes */
    --default-video-width: 240px;
    --default-video-height: 180px;
    
    --tiny-video-width: 120px;
    --small-video-width: 160px;
    --medium-video-width: 200px;
    --large-video-width: 300px;

    --video-toolbar-height: 36px;
    --video-toolbar-button-height: 24px;
    --video-wide-toolbar-button-height: 40px;

    --video-height: var(--default-video-height);
    --video-width: var(--default-video-width);
}


::placeholder {
  color: rgb(240, 240, 240);
}

.video-small {
    background: rgb(255,255,255);
    margin: auto;
    padding: 2x;
}

.video-normal {
    width: var(--video-width);
    height: var(--video-height);
    _background: rgb(250,250,255);
    object-fit: contain;
    padding-left: 1px;
    padding-right: 1px;
    padding-top: 0px;
    padding-bottom: 0px;
}

.connection {
    width: var(--video-width);
}



.connection .card-body {
    padding: 0;
}

.connection .card-header, .connection .card-footer {
    padding: 2px ;
    height: auto;
}

.connection .card-footer .btn-sm {
    height: var(--video-toolbar-button-height);
}


#teacher.connection {
    width: calc(var(--small-video-width) + 4px);
}

.booth-mini-log {
    w_idth: calc(var(--video-width) - 12px);
    width: auto;
    padding-left: 1px;
    padding-right: 1px;
    background: rgba(0,0,0,0.5);
    color: white;
}

#teacher-label {
    width: calc( var(--video-width) );
    background: rgba(0,0,0,0.5);
    color: white;
}


.connection-wide {
    width: 400px;
}

 .connection-wide .card-header,  .connection-wide .card-footer {
    height: auto;
}

.booth-name {
    display: inline-block;
    width: calc( 100% - 38px );
}


.mirrored {
  transform: rotateY(180deg);    
}

.position-relative {
    position: relative;
}

.position-absolute {
    position: absolute;
}

.label-tiny {
    font-size: 0.5em; 
}

.label-small {
    font-size: 0.75em; 
}

.btn-main-toolbar { 
    width: 40px;
}

.unselectable {
    user-select: none;
}

.cursor-pointer {
    cursor: pointer;
}   

.bg-brightred {
    background: #FF2800;
}

.text-brightred {
    color: #FF2800;
}

.ellipsis {
  overflow: hidden; 
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
}

.nowrap {
    white-space: nowrap;
}

/* extend FontAwesome effetcs */

@keyframes fa-blink-3x {
    0%   { opacity: 0;   transform: scale(1.0); }
    10%  { opacity: 0.2; transform: scale(1.2); }
    15%  { opacity: 0.3; transform: scale(1.5); }    
    20%  { opacity: 0.4; transform: scale(1.8); }
    25%  { opacity: 0.7; transform: scale(2.0); }    
    30%  { opacity: 0.8; transform: scale(2.3); }
    35%  { opacity: 0.9; transform: scale(2.7); }    
    40%  { opacity: 1.0; transform: scale(3.5); }
    45%  { opacity: 1.0; transform: scale(3.5); }
    50%  { opacity: 1.0; transform: scale(2.7); }
    55%  { opacity: 1.0; transform: scale(2.3); }
    60%  { opacity: 0.8; transform: scale(2.0); }
    70%  { opacity: 0.6; transform: scale(1.8); }
    80%  { opacity: 0.4; transform: scale(1.5); }
    90%  { opacity: 0.2; transform: scale(1.2); }
    100% { opacity: 0;   transform: scale(1.0); }
}

.fa-blink-3x {
   animation: fa-blink-3x 2s linear infinite;
   color: yellow;
}

@keyframes fa-blink-2x {
    0%   { opacity: 0;   transform: scale(1.0); }
    10%  { opacity: 0.2; transform: scale(1.1); }
    15%  { opacity: 0.3; transform: scale(1.25); }    
    20%  { opacity: 0.4; transform: scale(1.4); }
    25%  { opacity: 0.7; transform: scale(1.5); }    
    30%  { opacity: 0.8; transform: scale(1.65); }
    35%  { opacity: 0.9; transform: scale(1.85); }    
    40%  { opacity: 1.0; transform: scale(2.0); }
    45%  { opacity: 1.0; transform: scale(2.0); }
    50%  { opacity: 1.0; transform: scale(1.85); }
    55%  { opacity: 1.0; transform: scale(1.65);  }
    60%  { opacity: 0.8; transform: scale(1.5); }
    70%  { opacity: 0.6; transform: scale(1.4); }
    80%  { opacity: 0.4; transform: scale(1.15); }
    90%  { opacity: 0.2; transform: scale(1.1); }
    100% { opacity: 0;   transform: scale(1.0); }
}

.fa-blink-2x {
   animation: fa-blink-2x 2s linear infinite;
}



.fa-blink, .fa-blink-1x {
  animation: fa-blink 1s linear infinite;
}

@keyframes fa-blink {
  50% {
    opacity: 0;
  }
}


/* extend Bootstrap 4 custom controls */

div.custom-control-right {
  padding-right: 24px;
  padding-left: 0;
  margin-left: 16px;
  margin-right: 0;
}
div.custom-control-right .custom-control-label::before,
div.custom-control-right .custom-control-label::after{
  right: -1.5rem;
  left: initial;
}


.hidden-input {
    width: 0px;
    height: 0px;
    padding: 0;
    border: 0;
    margin: 0;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    z-index: -1;
}

.beta-features {
    display: none !important;
}



.hide {
    display: none;
}



.display {
    line-height: 1.2;
}


/*
input.vertical-slider[type=range]::-moz-range-track {
  cursor: pointer;
  background: #e0e0e0;
  border-radius: 2px;
  border: 0.2px solid #a0a0a0;
}

input.vertical-slider[type=range]::-moz-range-thumb {
  height: 12px;
  width: 12px;
  border-radius: 12px;
  border: 0.5px solid black;
  background: blue;
  cursor: pointer;
}
*/

/* Vertical slider and custom vertical slider track and thumb for mozilla firefox */

.booth-vertical--slider {
    width: 120px; 
    height: 20px; 
    right: -40px;
    
}


.teacher-vertical-slider-container {
    position:relative; 
    width: 20px; 
}

.teacher-vertical-slider {
    top: 41px;
    left: -40px;
    width: 100px; 
}

.booth-vertical-slider-container {
    position:relative; 
    width: 20px; 
}

.booth-vertical-slider {
    top: 80px;
    left: -40px;
    width: 100px; 
}

.vertical-slider {
    position: absolute; 
    transform: rotate(270deg);
}


.translucent:hover {
    opacity: 0.9;
}

.translucent {
    opacity: 0.3;
}


.toast-middle {
    position: fixed;
    top: 85%;
    left: 50%;
    transform: translate(-50%, -50%); 
}

.absolute-middle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); 
}


.hyphenate  {
     -webkit-hyphens: auto;
     -moz-hyphens: auto;
     -ms-hyphens: auto;
     hyphens: auto;
 }


.chat-me {
    background: #99FFFF;
    float: right;
    clear: both;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 2px;
}

.chat-them {
    background: #4FFFB0;
    float: left;
    clear: both;
    padding: 5px;
    border-radius: 15px;
    margin-bottom: 2px;
}

.chat-them + .chat-them {
    border-bottom-left-radius: 3px;
    border-top-left-radius: 3px;
}

.chat-last {
    margin-bottom: 10px;
}

.chat-them.chat-first {
    border-top-left-radius: 15px;
    border-bottom-left-radius: 3px;
}

.chat-them.chat-last {
    border-bottom-left-radius: 15px !important;
}

.chat-who {
    display: block;
    word-break: break-all;
    font-size: 0.75em;
}

.chat-teacher {
    background: #9e1b32;
    color: white;
}

.chat-teacher a {
    color: white;
    font-weight: bold;
}