@import url('https://unpkg.com/normalize.css') layer(normalize);

@layer normalize, base, demo, transitions;

@property --complete {
  initial-value: 0;
  inherits: true;
  syntax: '<number>';
}

@layer transitions {
  [data-complete='true'] .atc__border::after {
    --complete: 1;
  }
  .atc__cart {
    transform-origin: 0 100%;
  }

  .atc__border--demo,
  .atc__content::before {
    transition: opacity 0.26s ease-out;
  }

  [data-reveal='true'] .atc__content::before {
    opacity: 0.75;
  }
  [data-reveal='true'] .atc__border--demo {
    opacity: 1;
  }
  [data-reveal='true'] .atc__border--animated:not(.atc__border--demo) {
    mask:
      linear-gradient(#ffffff50 0 0) padding-box,
      linear-gradient(#fff 0 0) border-box;
  }
}

@layer demo {
  main {
    scale: var(--scale, 3);
    position: relative;
  }
  .atc {
    user-select: none;
    -webkit-tap-highlight-color: #0000;
    position: relative;
    border-radius: 100px;
    color: color-mix(in hsl, canvasText, canvas 10%);
    font-weight: 300;
    font-size: 0.875rem;
    padding: 0;
    border: 0;
    border: 2px solid color-mix(in hsl, canvasText, canvas 90%);
    cursor: pointer;
    background: light-dark(#fff, #000);
    transition-property: translate, scale;
    transition-duration: 0.16s;
    transition-timing-function: ease-out;

    &[data-adding='false']:active {
      translate: 0 1px;
      scale: 0.99;
    }
  }

  .atc__content {
    display: flex;
    align-items: center;
    overflow: hidden;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    padding-right: 1rem;
    border-radius: inherit;
    position: relative;
    z-index: 2;

    /* this isn't needed, it just makes the reveal look better ha */
    &::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: inherit;
      background: light-dark(#fff, #000);
      opacity: 1;
      z-index: -1;
    }
  }

  .atc__cart,
  .atc__cart--dummy,
  .atc__check {
    display: inline-block;
    width: 18px;
    height: 18px;
  }
  .atc__check,
  .atc__cart--dummy {
    position: absolute;
    left: 50%;
    top: 50%;
    opacity: 0;
    translate: -50% -50%;
  }

  .atc__cart-content {
    fill: hsl(140 90% 50%);
  }

  .atc__check {
    stroke: hsl(140 90% 50%);
  }

  .atc__icon {
    overflow: visible !important;
  }

  .atc__icon {
    width: 100%;
    height: 100%;
  }
  .atc__text {
    font-size: 0.875rem;
  }

  .atc__border {
    position: absolute;
    inset: -2px;
    container-type: inline-size;
    border: 2px solid transparent;
    mask:
      linear-gradient(#fff 0 0) padding-box,
      linear-gradient(#fff 0 0) border-box;
    mask-composite: exclude;
    border-radius: inherit;

    &.atc__border--demo {
      mask: unset;
      position: absolute;
      z-index: -1;
      opacity: 0;

      &::before {
        content: '';
        width: calc(100cqi + 4px);
        height: calc(100cqi + 4px);
        position: absolute;
        top: 50%;
        left: 50%;
        translate: -50% -50%;
        border-radius: inherit;
        background: light-dark(#fff, #000);
        opacity: 0.75;
        z-index: 2;
        animation: spin 2s infinite linear;
      }
    }

    &.atc__border--static {
      opacity: 0;
      border-color: canvasText;
    }

    &.atc__border--complete {
      border-color: hsl(140 90% 50%);
      opacity: 0;
    }

    &.atc__border--animated {
      &::after {
        content: '';
        width: calc(100cqi + 4px);
        height: calc(100cqi + 4px);
        background: conic-gradient(
          from calc(var(--complete, 0) * 180deg) in hsl increasing hue,
          #0000 0 calc((1 - var(--complete)) * 20%),
          hsl(0 100% 65%) calc((1 - var(--complete)) * 30%),
          hsl(339 100% 65%) calc(100% - ((1 - var(--complete)) * 30%)),
          #0000 calc(100% - ((1 - var(--complete)) * 20%)) 100%
        );
        position: absolute;
        top: 50%;
        left: 50%;
        translate: -50% -50%;
        z-index: -1;
        animation: spin 2s infinite linear;
        transition: --complete 0.22s ease-out;
      }
    }
  }

  @keyframes spin {
    to {
      rotate: 360deg;
    }
  }
}

@layer base {
  :root {
    --font-size-min: 16;
    --font-size-max: 20;
    --font-ratio-min: 1.2;
    --font-ratio-max: 1.33;
    --font-width-min: 375;
    --font-width-max: 1500;
  }

  html {
    color-scheme: light dark;
  }

  [data-theme='light'] {
    color-scheme: light only;
  }

  [data-theme='dark'] {
    color-scheme: dark only;
  }

  :where(.fluid) {
    --fluid-min: calc(
      var(--font-size-min) * pow(var(--font-ratio-min), var(--font-level, 0))
    );
    --fluid-max: calc(
      var(--font-size-max) * pow(var(--font-ratio-max), var(--font-level, 0))
    );
    --fluid-preferred: calc(
      (var(--fluid-max) - var(--fluid-min)) /
        (var(--font-width-max) - var(--font-width-min))
    );
    --fluid-type: clamp(
      (var(--fluid-min) / 16) * 1rem,
      ((var(--fluid-min) / 16) * 1rem) -
        (((var(--fluid-preferred) * var(--font-width-min)) / 16) * 1rem) +
        (var(--fluid-preferred) * var(--variable-unit, 100vi)),
      (var(--fluid-max) / 16) * 1rem
    );
    font-size: var(--fluid-type);
  }

  *,
  *:after,
  *:before {
    box-sizing: border-box;
  }

  body {
    background: light-dark(#fff, #000);
    display: grid;
    place-items: center;
    min-height: 100vh;
    font-family:
      'SF Pro Text', 'SF Pro Icons', 'AOS Icons', 'Helvetica Neue', Helvetica,
      Arial, sans-serif, system-ui;
  }

  body::before {
    --size: 45px;
    --line: color-mix(in hsl, canvasText, transparent 80%);
    content: '';
    height: 100vh;
    width: 100vw;
    position: fixed;
    background:
      linear-gradient(90deg, var(--line) 1px, transparent 1px var(--size))
        calc(var(--size) * 0.36) 50% / var(--size) var(--size),
      linear-gradient(var(--line) 1px, transparent 1px var(--size)) 0%
        calc(var(--size) * 0.32) / var(--size) var(--size);
    mask: linear-gradient(-20deg, transparent 50%, white);
    top: 0;
    transform-style: flat;
    pointer-events: none;
    z-index: -1;
  }

  .bear-link {
    color: canvasText;
    position: fixed;
    top: 1rem;
    left: 1rem;
    width: 48px;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    opacity: 0.8;
  }

  :where(.x-link, .bear-link):is(:hover, :focus-visible) {
    opacity: 1;
  }

  .bear-link svg {
    width: 75%;
  }

  /* Utilities */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
  }
}

div.tp-dfwv {
  width: 256px;
  position: fixed;
}