@import url(https://fonts.googleapis.com/css?family=Lora:400,700&display=swap);
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg-color-1: #f9f9f9;
  --bg-color-2: #fff;
  --text-color: #333;
  --border-color: rgba(0,0,0,.05);
}

html,
body {
  font-family: 'Lora', serif;
  height: 100%;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-size: 125%;
}

#app {
  height: 100%;
}

/** Buttons **/

.btn--reset {
  background-color: transparent;
  border: none;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  padding: 0;
  margin: 0;
}

/** Themes **/

@-webkit-keyframes gradient {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

@keyframes gradient {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

.themed-container {
  align-items: center;
  -webkit-animation: gradient 40s ease infinite;
          animation: gradient 40s ease infinite;
  background-image: linear-gradient(20deg, var(--bg-color-1) 0%, var(--bg-color-2) 100%);
  background-size: 200%;
  color: var(--text-color);
  display: flex;
  font-size: 2em;
  height: 100%;
  justify-content: center;
  position: relative;
  transition: background-color .3s, color .3s;
}

.theme--options {
  bottom: 0;
  display: flex;
  justify-content: center;
  left: 0;
  padding: .5em;
  position: absolute;
  right: 0;
}

.theme--option {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  background: linear-gradient(20deg, var(--bg-color-1) 0%, var(--bg-color-2) 100%);
  background-position: center;
  background-size: 130% 130%;
  border: solid 2px var(--border-color);
  border-radius: 50%;
  color: inherit;
  display: block;
  font-size: inherit;
  height: .5em;
  margin-left: .125em;
  margin-right: .125em;
  transition: -webkit-transform .2s;
  transition: transform .2s;
  transition: transform .2s, -webkit-transform .2s;
  width: .5em;
}

.theme--option:hover {
  -webkit-transform: scale(1.125);
          transform: scale(1.125);
}

.theme--purple {
  --bg-color-1: #21D4FD;
  --bg-color-2: #B721FF;
  --text-color: #fff;
  --border-color: rgba(255, 255, 255, 0.2);
}

.theme--default {
  --bg-color-1: #f9f9f9;
  --bg-color-2: #fff;
  --text-color: #333;
  --border-color: rgba(0,0,0,.05);
}

/** Slot picker **/

.slot-picker {
  align-items: center;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: width .2s;
  overflow: visible;
}

.slot-picker--outer {
  overflow: hidden;
}

.slot-picker--inner {
  position: relative;
  transition: top .2s;
}

.slot-picker--inner a {
  align-items: center;
  color: inherit;
  display: flex;
  justify-content: center;
  text-decoration: none;
}

.slot-picker--attribute {
  cursor: pointer;
  padding-left: .25em;
  padding-right: .25em;
  transition: opacity .2s;
  white-space: nowrap;
}

.slot-picker--attribute:hover {
  opacity: 1 !important;
}

.slot-picker--input-outline {
  border: solid 2px var(--border-color);
  height: 1.5em;
  pointer-events: none;
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  transition: border-color .3s;
  width: 100%;
}

.slot-picker--btn {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  background-color: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: inherit;
  margin-top: .25em;
  margin-bottom: .25em;
  opacity: .5;
  padding: 0;
  transition: opacity .2s;
}

.slot-picker--btn:disabled {
  opacity: .2;
}

.slot-picker--btn:disabled:hover {
  opacity: .2;
}

.slot-picker--btn:hover {
  opacity: 1;
}

.slot-picker--btn svg {
  display: block;
  height: 1em;
  width: 1em;
}

/** Layout utility classes **/

.flex {
  display: flex;
}

.flex-direction--row {
  flex-direction: row;
}

.flex-direction--column {
  flex-direction: column;
}

.align-items--start {
  align-items: flex-start;
}

.align-items--center {
  align-items: center;
}

.align-items--end {
  align-items: flex-end;
}

.align-items--stretch {
  align-items: stretch;
}

.justify-content--start {
  justify-content: flex-start;
}

.justify-content--center {
  justify-content: center;
}

.justify-content--end {
  justify-content: flex-end;
}

.justify-content--between {
  justify-content: space-between;
}

.height--100pct {
  height: 100%;
}

.text-align--left {
  text-align: left;
}

.text-align--center {
  text-align: center;
}

.text-align--right {
  text-align: right;
}

.margin-l--xs {
  margin-left: .25em;
}

.margin-l--s {
  margin-left: .5em;
}

.margin-l--m {
  margin-left: 1em;
}

.margin-l--l {
  margin-left: 2em;
}

.margin-r--xs {
  margin-right: .25em;
}

.margin-r--s {
  margin-right: .5em;
}

.margin-r--m {
  margin-right: 1em;
}

.margin-r--l {
  margin-right: 2em;
}

/** Typography utility classes **/

.font-size--s {
  font-size: .875em;
}

.font-size--m {
  font-size: 1em;
}

.font-size--l {
  font-size: 1.5em;
}

.font-size--xl {
  font-size: 2em;
}