/**
 * @license chowa v1.1.3
 *
 * Copyright (c) Chowa Techonlogies Co.,Ltd.(http://www.chowa.cn).
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
@import "../../styles/variables.scss";

@keyframes #{$prefix}back-top-anim {
    20% {
        transform: rotate3d(0, 0, 1, 15deg);
    }

    40% {
        transform: rotate3d(0, 0, 1, -10deg);
    }

    60% {
        transform: rotate3d(0, 0, 1, 5deg);
    }

    80% {
        transform: rotate3d(0, 0, 1, -5deg);
    }

    100% {
        transform: rotate3d(0, 0, 1, 0deg);
    }
}

.#{$prefix}back-top {
    margin: 0;
    padding: 0;
    border: none;
    position: fixed;
    bottom: 100px;
    right: 100px;
    width: 54px;
    height: 54px;
    background-color: $background-color-light;
    text-align: center;
    line-height: 54px;
    color: $text-color-gray;
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
    box-sizing: border-box;
    outline: none;
    cursor: pointer;
    transition: all $anim-duration ease-in;
    z-index: 100;

    &:hover:not(:disabled) {
        animation-name: #{$prefix}back-top-anim;
        animation-duration: $anim-duration * 2;
        background-color: $primary-color;
        color: $dark-text-color-base;
    }
}

.#{$prefix}back-top-custom {
    font-size: $font-size-base;
}

.#{$prefix}back-top-icon {
    font-size: $font-size-base + 12px;
}