// 按钮组件样式复用


/**
 * [btn-bg 按钮样式复用，包含默认、移入、点击样式交互]
 * @param  {[string]} $bgc [eg：#fff，可选参]
 * @param  {[string]} $percent  [eg：10%，可选参]
 */
@mixin btn-bg($bgc: #4790d0, $percent: 10%) {
  background-color: $bgc;
  &:hover {
    background-color: lighten($bgc, $percent);
  }
  &:active {
    background-color: darken($bgc, $percent);
  }
}

@mixin box-shadow($x, $y, $w, $b, $rgba) {
  -webkit-box-shadow: $x $y $w $b $rgba;
     -moz-box-shadow: $x $y $w $b $rgba;
          box-shadow: $x $y $w $b $rgba;
}
@mixin transition($prop, $dur, $timingfun: linear) {
  -webkit-transition: $prop $dur $timingfun;
     -moz-transition: $prop $dur $timingfun;
       -o-transition: $prop $dur $timingfun;
          transition: $prop $dur $timingfun;
}

/* 边框颜色变化*/
@mixin btn-bor($bor: #4790d0, $pre: 10%) {
  &:hover {
    border-color: $bor;
    color: $bor;
  }
  &:active {
    border-color: darken($bor, $pre);
    color: darken($bor, $pre);
  }
}

/* 字体和背景色互换*/
@mixin btn-bg-cor($bgc: #fff, $cor: #f04134, $pre: 5%) {
  color: $cor;
  background-color: $bgc;
  &:hover {
    color: $bgc;
    background-color: $cor;
  }
  &:active {
    background-color: darken($cor, $pre);
  }
}

/* 点击有内阴影 */
@mixin btn-shadow($bgc: #4790d0,$pre: 5%) {
  background-color: $bgc;
  &:hover {
    background-color: darken($bgc,$pre);
  }
  &:active {
    -webkit-box-shadow: 0 3px 5px 0 rgba(0,0,0,.125) inset;
       -moz-box-shadow: 0 3px 5px 0 rgba(0,0,0,.125) inset;
            box-shadow: 0 3px 5px 0 rgba(0,0,0,.125) inset;
  }
}

/* 鼠标抬起出现点击后阴影 start*/
@mixin spread($bgc: #4790d0, $point: .6, $spr: 5px) {
  position: relative;
  &:after {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;

    content: "";

    @include box-shadow(0,0,0,$spr,rgba($bgc,$point));
    @include transition(all,.5s);
  }
  &:active:after {
    opacity: 1;

    @include box-shadow(0,0,0,0px,rgba($bgc,$point));
    @include transition(all,0s);
  }
}
/* 鼠标抬起出现点击后阴影 end */

/* 波纹效果 start*/
@mixin ripple($top: -10%, $left: 10%) {
  position: relative;
  overflow: hidden;
  &:after {
    position: absolute;
    display: block;
    opacity: 0;
    padding-top: 240%;
    padding-left: 240%;
    border-radius: 50%;
    margin-top: -120%;
    margin-left: -120%;
    background: rgba(255, 255, 255, .3);

    content: "";

    @include transition(all,1s);
  }
  &:active:after {
    opacity: 1;
    padding-top: 0;
    padding-left: 0;
    margin-top: $top;
    margin-left: $left;

    @include transition(all,0s);
  }
}
/* 波纹效果 end*/
/* 不可点击 start*/
@mixin disabled($fc: #999, $brc: #ccc, $bgc: #ddd) {
  border: 1px solid $brc;
  color: $fc;
  background: $bgc;

  cursor: no-drop;
}
/* 不可点击 end*/