/* Basic layout */

:root {
	--settings-height: 30vh;
}

* {
	margin: 0;
	padding: 0;
}

html {
	font-family: -apple-system, BlinkMacSystemFont, "Roboto", "Helvetica Neue", sans-serif;
}

body {
	background: #444;
	text-align: center;
    overflow-x: hidden;
}

button {
	color: #888;
	background: none;
	border: .3vh solid #888;
	border-radius: 1vh;
	outline: none;
	cursor: pointer;
}




/* Content */

.content {
	opacity: 0.3;
	transition: opacity .5s, fill .5s;
}

body.connected .content {
	opacity: 1;
}




/* Drone */

.content {
    overflow: hidden;
}
.content > div {
    width: 80vh;
    max-width: 80vw;
    margin: 7vh auto;
}

.row {
    display: flex;
    justify-content: space-between;
} 
.row.bottom {
    margin-top: 5vh;
}
.row button {
    border-radius: 50%;
    border: 0.3vh solid #888;
    line-height: 0;
    width: 6vh;
    height: 6vh;
    fill: #888;
}
.row button svg {
    width: 70%;
    height: 70%;
    vertical-align: middle;
}
.moveUp #upBtn,
.moveDown #downBtn,
.flip #flipBtn,
.row button:hover {
    background: #888;
    fill: #fff;
    color: #fff;
}
  
  
  
  
.content button {
    font-size: 3vh;
    font-weight: bold;
    text-transform: lowercase;
}
.content button.up,
.content button.left,
.content button.right,
.content button.down {
    background: #888;
    color: #333;
    display: block;
    width: 31%;
    font-style: normal;
    font-size: 4vh;
}
.content button.up:hover,
.content button.left:hover,
.content button.right:hover,
.content button.down:hover {
    background: #aaa;
    border-color: #aaa;
}
.moveBackwards .content button.down,
.moveForwards .content button.up,
.moveLeft .content button.left,
.moveRight .content button.right {
    background: #aaa;
    border-color: #aaa;
  }
  
.direction-pad {
    transform: perspective(28vh) rotateX(50deg) scale(0.9);
}
  
.direction-pad > div {
    text-align: center;
}
  
button.up {
    padding: 4vh 0;
    margin: 4vh auto 0 auto;
} 
button.down {
    padding: 2vh 0;
    margin: 0 auto 4vh auto;
    clear: both;
} 
button.left {
    padding: 3vh 0;
    float: left;
}  
button.right {
    padding: 3vh 0;
    float: right;
}
  
  



/* Settings */

.settings {
	position: absolute;
	top: calc(100vh - var(--settings-height));
	width: 100%;
	min-height: var(--settings-height);
	background: #333;

	transition: opacity .3s ease-in-out;
	opacity: 0.3;
	pointer-events: none;
}
body.connected .settings {
	opacity: 1;
	pointer-events: auto;
}



/* Pills */

.pills {
	margin-top: -2.4vh;
	margin-bottom: 0;
	display: flex;
}
.pills button {
	margin: 0;
	padding: 1vh 2vh;
	border-radius: 0;
	border-left: none;
	font-size: 2vh;
	background: #333;
}
.pills button:first-of-type {
	border-left: .3vh solid #888;
	border-top-left-radius: 1vh;
	border-bottom-left-radius: 1vh;
	margin-left: auto;
}
.pills button:last-of-type {
	border-top-right-radius: 1vh;
	border-bottom-right-radius: 1vh;
	margin-right: auto;
}

body.control button#control {
	background: #888;
	color: #fff;
}





/* Views */

.views {
	padding: 6vh 0;
	min-height: 6vh;
	display: block;
}
.views > div {
	display: none;
}

body.control div#controlView {
	display: block;
}


#controlView .power {
    margin: -2vh;
}
#controlView .power button {
	padding: 1vh 2vh;
	border: 0;
	font-size: 2vh;
	color: #ddd;
}
#controlView .power button svg {
	fill: #ddd;
	width: 4vh;
	height: 4vh;
	vertical-align: top;
	margin-top: -0.9vh;
}

#controlView button.emergency {
    width: 80vh;
    max-width: 80vw;
    
    padding: 3vh;
    margin-top: 7vh;  
    background: #dd7052;
    border-color: #dd7052;
    color: #fff;

    font-size: 3vh;
    font-weight: bold;
    text-transform: lowercase;
}