:root {
    --color1: #5ca1ea;
    --color2: #30ae45;
}

* {
    -webkit-tap-highlight-color: transparent;
    touch-action: pan-x pan-y;
}

html {
    width: 100%;
    height: 100%;
    background-color: #000;
    pointer-events: none;
}

body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    position: fixed;
    color: #444;
    font-family: Arial, Helvetica, sans-serif;
    pointer-events: none;

    user-select: none;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

#canvas {
    width: 100%;
    height: 100%;
    position: fixed;
    pointer-events: all;
}

#btnOptions,
#btnBack,
#btnPause {
    visibility: hidden;
}

#header {
    width: 100%;
    position: fixed;
    padding: 10px 10px 0 10px;
    box-sizing: border-box;
    transform-origin: top;
}

#info {
    width: 130px;
    height: 40px;
    float: left;
    visibility: hidden;
}

.controls {
    float: right;
    opacity: 0.5;
}

.controls div {
    float: right;
    width: 40px;
    height: 40px;
    padding: 7px;
    cursor: pointer;
    margin-left: 5px;
    box-sizing: border-box;
    background-color: #fff;
    line-height: 0;
    font-size: 0;
    border-radius: 50%;
    border: 3px solid #000;
    transition: 0.1s;
    pointer-events: all;
    touch-action: none;
}

.controls div:last-of-type {
    margin-left: 0;
}

.controls div[style*='hidden'] {
    display: none;
}

.controls div img {
    pointer-events: none;
}

#pause {
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    display: flex;
    justify-content: center;
    flex-direction: column;
    box-sizing: border-box;
    padding: 20px;
    text-align: center;
    font-size: 16vmin;
    line-height: 16vmin;
    font-weight: bold;
    color: #FFF;
    background-color: rgba(0, 0, 0, 0.5);
    visibility: hidden;

    text-shadow: 0 0 15px rgba(0, 0, 0, 0.7);
    -webkit-text-shadow: 0 0 15px rgba(0, 0, 0, 0.7);
    -moz-text-shadow: 0 0 15px rgba(0, 0, 0, 0.7);
}

.modal {
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
    visibility: hidden;
    pointer-events: all;
}

.modal .table {
    display: table;
    width: 100%;
    height: 100%;
}

.modal .table-cell {
    display: table-cell;
    vertical-align: middle;
    text-align: center;
}

.modal .content {
    display: inline-block;
    margin: 20px;
    padding: 20px;
    font-size: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-sizing: border-box;
    pointer-events: none;

    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    -webkit-box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    -moz-box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.modal .title {
    font-size: 2.5em;
    color: var(--color1);
    font-weight: bold;
    text-align: center;
}

.modal h2 {
    margin: 1em 0 0.2em 0;
    padding: 0;
    font-size: 1em;
    display: block;
}

.modal .label {
    margin-top: 0.3em;
    font-size: 0.6em;
    color: #999;
    font-weight: normal;
    vertical-align: middle;
}

.button {
    width: 50%;
    display: inline-block;
    margin-top: 1.5em;
    padding: 0.4em 1.5em;
    font-size: 1em;
    color: #fff;
    border: none;
    outline: none;
    cursor: pointer;
    border-radius: 100px;
    box-sizing: border-box;
    text-align: center;
    transition: 0.1s;
    background-color: var(--color1);
    pointer-events: all;
}

#orientation {
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    display: flex;
    visibility: hidden;
    justify-content: center;
    flex-direction: column;
    box-sizing: border-box;
    padding: 20px;
    text-align: center;
    font-size: 7vmin;
    line-height: 7vmin;
    font-weight: bold;
    color: #FFF;
    background-color: rgba(0, 0, 0, 0.7);
    background-image: url(images/rotate.svg);
    background-size: 100% 100%;
}

#loader {
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    display: flex;
    justify-content: center;
    flex-direction: column;
    box-sizing: border-box;
    padding: 20px;
    text-align: center;
    background-color: #f8f8ff;
}

#loader .container {
    width: 50vh;
    height: 50vh;
    max-width: 300px;
    max-height: 300px;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

#loader svg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

#loader img {
    width: 90%;
    height: 90%;
    border-radius: 100%;
    position: absolute;
    box-sizing: border-box;
    top: 5%;
    left: 5%;
}

#message-container {
    position: fixed;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

#message {
    position: absolute;
    width: 100%;
    text-align: center;
}

#message div {
    display: inline-block;
    padding: 1.4vmin 1.6vmin 1.4vmin 1.6vmin;
    color: #FFF;
    background-color: rgba(0, 0, 0, 0.8);
    font-size: 3vmin;
    line-height: 3vmin;
    border-top-left-radius: 1.5vmin;
    border-top-right-radius: 1.5vmin;
}

#message b {
    color: var(--color1);
}

#message .button {
    width: auto;
    margin: 0.5em 0.5em 0 0.5em;
}

.toggle {
    display: flex;
    text-align: center;
    border-radius: 8px;
    padding: 2px;
    border: solid 1px #ccc;
    background-color: #f6f6f6;
}

.toggle input {
    display: none;
}

.toggle label {
    width: 100%;
    pointer-events: all;
}

.toggle span {
    display: flex;
    height: 100%;
    margin: 0 1px;
    align-items: center;
    justify-content: center;
    padding: 0.35em 0.7em;
    border-radius: 6px;
    box-sizing: border-box;
    cursor: pointer;
    transition: 0.1s;
    color: var(--color2);
}

.toggle label:first-of-type span {
    margin-left: 0;
}

.toggle label:last-of-type span {
    margin-right: 0;
}

.toggle input:checked+span {
    color: #FFF;
    background-color: var(--color2);
    border-color: var(--color2);
}

/* hover exists */
@media (hover: hover) {
    .controls div:hover {
        background-color: rgba(255, 255, 255, 0.8);
        border-color: rgba(0, 0, 0, 0.8);
    }

    .controls div:active {
        padding: 9px;
    }

    .button:hover {
        opacity: 0.9;
    }

    .button:active {
        background-color: #444;
    }

    .toggle span:hover {
        background-color: #e6e6e6;
    }
}

/* no hover */
@media (hover: none) {

    .controls div:focus,
    .controls div:active {
        background-color: rgba(255, 255, 255, 0.8);
        border-color: rgba(0, 0, 0, 0.8);
        padding: 9px;
    }

    .button:focus,
    .button:active {
        background-color: #444;
    }

    .toggle span:focus,
    .toggle span:active {
        background-color: #e6e6e6;
    }
}

/* for mobile */
@media screen and (max-width: 800px) {
    .modal .content {
        padding: 2vmax;
        font-size: 2vmax;
    }
}