$color: (
    'primary': #F1592A,
    'gray-200': #edf2f7,
    'gray-400': #cbd5e0,
);

$timing-next: 800ms;
$timing-back: 600ms;
$easing: cubic-bezier(.2, 0, .2, 1);

$button: (
    'border-width': 2px,
    'border-radius': 4px,
    'font-weight': 500,
    'shadow': unquote('0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.05)'),
    'theme': (
        'primary': map-get($color, 'primary'),
    ),
);


@mixin button-theme($background, $foreground) {
    $theme-base:          $background;
    $theme-hover-color:   darken($background, 6%);
    $theme-active-color:  darken($background, 12%);
    $disabled-color:        #dbdbdb;

    color: $foreground;
    background-color: $theme-base;
    border-color: $theme-base;

    &:focus {
        background-color: $theme-hover-color;
        border-color: $theme-hover-color;
    }

    &:hover {
        background-color: $theme-hover-color;
        border-color: $theme-hover-color;
    }

    &:active {
        background-color: $theme-active-color;
        border-color: $theme-active-color;
    }

    &.button-outlined {
        color: $theme-base;
        border-color: currentColor;

        &,
        &:hover,
        &:active {
            color: $theme-base;
            background-color: rgba(0, 0, 0, 0);
        }

        &:hover,
        &:focus {
            background-color: rgba($theme-base, .15);
        }

        &:active {
            color: white;
            background-color: $theme-base;
            border-color: $theme-base;
        }
    }

    &:disabled,
    &.disabled {
        &,
        &:hover,
        &:active,
        &:focus {
            border-color: $disabled-color;
            background-color: $disabled-color;
        }
    }
}

html {
    color: #343a4a;
}

.container {
    max-width: 1024px;
}

.main {
    position: relative;
    height: 400px;
}

.file-drop {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: column;
    width: 100%;
    height: 100%;
    min-height: 180px;
    border-width: 3px;
    border-style: dashed;
    border-color: map-get($color, 'gray-400');
    background-color: map-get($color, 'gray-200');
    transition: background-color 160ms ease, border-color 400ms ease;

    &.dragover {
        background-color: lighten(map-get($color, 'primary'), 40%);
    }
}

svg,
.svg {
    height: 100%;
    width: 100%;
}

.svg-index {
    position: relative;
    z-index: -2;
}

.svg-success {
    display: flex;
    flex-direction: column;

    svg {
        flex-grow: 1;
        flex-basis: 0;
    }
}


.button {
    min-width: 170px;
    min-height: 42px;
    padding: 0 14px;
    font-size: 1rem;

    @include button-theme(map-get(map-get($button, 'theme'), 'primary'), white);

    position: relative;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    flex: 0 0 auto;
    border-radius: map-get($button, 'border-radius');
    border: map-get($button, 'border-width') solid;
    border-color: transparent;
    font-weight: map-get($button, 'font-weight');
    line-height: 1;
    user-select: none;
    touch-action: manipulation;
    box-shadow: map-get($button, 'shadow');

    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;

    transition: background-color 160ms,
                color 160ms,
                box-shadow 160ms,
                border 160ms;

    &:disabled {
        box-shadow: none;
    }

    &:focus {
        outline: none;
    }
}

.button-iconed-left {
    i,
    span {
        margin-right: .6em;
    }
}


.spinner {
    display: inline-block;
    margin: 0 8px;
    border-radius: 50%;
    width: 1.5em;
    height: 1.5em;
    border: .215em solid transparent;
    font-size: 16px;
    border-top-color: white;
    animation-name: spin;
    animation-duration: 1s;
    animation-iteration-count: infinite;
    animation-timing-function: cubic-bezier(.55, .15, .45, .85);
}


.index,
.success,
.title,
.svg {
    opacity: 1;
    transition: opacity $timing-next $easing;
}

.view-bg {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    z-index: -1;
    background-color: map-get($color, 'gray-200');
    transform-origin: left center;
    transition-property: transform;
    transition-timing-function: $easing;
}

.index-bg {
    transform: scale(.5, 1);
}

.v-view-next-leave-active {
    .title {
        animation: fade-in $timing-next $easing reverse;
    }

    .index-bg {
        transform: scale(1, 1);
        transition-duration: $timing-next;
    }

    .file-drop {
        border-color: map-get($color, 'gray-200');
    }

    .index,
    .svg-index {
        animation: fade-in $timing-next $easing reverse;
    }
}

.v-view-next-enter-active {
    .title {
        animation: fade-in $timing-next $easing;
    }

    .success {
        animation: fade-in $timing-next $easing;
    }
}

.v-view-back-enter-active {
    .title {
        animation: fade-in $timing-back $easing;
    }

    .index,
    .svg-index {
        animation: fade-in $timing-back $easing;
    }
}

.v-view-back-leave-active {
    .title {
        animation: fade-in $timing-back $easing reverse;
    }

    .success {
        animation: fade-in $timing-back $easing reverse;
    }

    .success-bg {
        transform: scale(.5, 1);
        transition-duration: $timing-back;
    }
}


.v-view-next-enter-active {
    animation: no-animation $timing-next $easing;
}
.v-view-next-leave-active {
    animation: no-animation $timing-next $easing;
}
.v-view-back-enter-active {
    animation: no-animation $timing-back $easing;
}
.v-view-back-leave-active {
    animation: no-animation $timing-back $easing;
}


@keyframes no-animation {
    0% {
        opacity: 1;
    }

    100% {
        opacity: 1;
    }
}
@keyframes fade-in {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}