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

@layer normalize, base, demo, images, controls, debug, intro;

@layer intro {
  details:nth-of-type(3) {
    animation:
      slide 0.75s 0.5s both var(--bounce),
      start 0.6s 1.05s var(--bounce) both,
      color-in 0.6s 1.25s var(--bounce) both;
  }
  details:nth-of-type(1),
  details:nth-of-type(2) {
    --from-y: 75%;
  }
  details:nth-of-type(4),
  details:nth-of-type(5) {
    --from-y: -75%;
  }
  details:nth-of-type(2),
  details:nth-of-type(4) {
    --index: 1;
  }
  details:nth-of-type(1),
  details:nth-of-type(5) {
    --index: 2;
  }
  details:nth-of-type(1),
  details:nth-of-type(2),
  details:nth-of-type(4),
  details:nth-of-type(5) {
    --from-scale: 1;
    --from-x: 35%;
    animation:
      start 0.6s calc(1.05s + (var(--index) * 0.08s)) var(--bounce) both,
      fade-in 0.6s calc(1.05s + (var(--index) * 0.08s)) var(--bounce) both,
      slide 0.6s calc(1.05s + (var(--index) * 0.08s)) var(--bounce) both,
      color-in 0.6s calc(1.25s + (var(--index) * 0.08s)) var(--bounce) both;
  }
  @keyframes slide {
    0% {
      scale: var(--from-scale, 0);
      translate: var(--from-x, -200px) var(--from-y, 0);
    }
  }
  @keyframes start {
    0% {
      width: var(--sizing);
    }
  }
  @keyframes color-in {
    0% {
      color: #0000;
    }
  }
  @keyframes fade-in {
    0% {
      opacity: 0;
    }
  }
}
@layer debug {
  /* this is for the debug... */
  [data-debug='true'] {
    section:not(:has([open])) .column:last-of-type div:first-of-type,
    section:has(details:nth-of-type(1)[open])
      .column:last-of-type
      div:nth-of-type(2),
    section:has(details:nth-of-type(2)[open])
      .column:last-of-type
      div:nth-of-type(3),
    section:has(details:nth-of-type(3)[open])
      .column:last-of-type
      div:nth-of-type(4),
    section:has(details:nth-of-type(4)[open])
      .column:last-of-type
      div:nth-of-type(5),
    section:has(details:nth-of-type(5)[open])
      .column:last-of-type
      div:nth-of-type(6) {
      outline: 4px dashed hotpink;
    }

    section:not(:has(details:nth-of-type(1)[open]))
      .column:last-of-type
      .img-block:nth-of-type(2),
    section:not(:has(details:nth-of-type(2)[open]))
      .column:last-of-type
      .img-block:nth-of-type(3) {
      .img-wrapper {
        opacity: 0.75;
      }
    }

    section:has([open]) .column:last-of-type div:first-of-type,
    section:not(:has(details:nth-of-type(1)[open]))
      .column:last-of-type
      div:nth-of-type(2),
    section:not(:has(details:nth-of-type(2)[open]))
      .column:last-of-type
      div:nth-of-type(3),
    section:not(:has(details:nth-of-type(3)[open]))
      .column:last-of-type
      div:nth-of-type(4),
    section:not(:has(details:nth-of-type(4)[open]))
      .column:last-of-type
      div:nth-of-type(5),
    section:not(:has(details:nth-of-type(5)[open]))
      .column:last-of-type
      div:nth-of-type(6) {
      outline: 4px dashed green;
    }
    section .column:first-of-type {
      background: repeating-linear-gradient(
        45deg,
        hsl(140 100% 50% / 0.5) 0 1px,
        #0000 1px 6px
      );
    }
    section .column:last-of-type {
      background: repeating-linear-gradient(
        45deg,
        hsl(280 90% 50% / 0.5) 0 1px,
        #0000 1px 6px
      );
    }
    section .column:last-of-type img {
      background: repeating-linear-gradient(
        -45deg,
        hsl(210 90% 50% / 0.35) 0 1px,
        #0000 1px 6px
      );
    }
    section .column:last-of-type div {
      outline: 2px dashed red;
    }
    summary {
      outline: 4px dashed red;
      outline-offset: -4px;
    }
    [open] summary {
      opacity: 0.5;
    }
    [open] .content {
      opacity: 0.25;
    }
    details {
      outline: 4px dashed blue;
      outline-offset: -4px;
    }
  }
}

@layer controls {
  [data-action] {
    display: grid;
    place-items: center;
    width: 36px;
    aspect-ratio: 1;
    border: 0;
    cursor: pointer;
    padding: 0;
    border-radius: 50%;
    background: var(--background);
    transition-property: opacity, background, translate, transform;
    transition-duration: 0.26s;
    transition-timing-function: var(--ease);
    z-index: 20;

    &:hover {
      background: var(--hover-background);
    }

    &::after {
      content: '';
      position: absolute;
      inset: -4px;
    }

    svg {
      width: 22px;
      color: #fff;
      stroke-width: 3;
    }
  }
  [data-action='next'],
  [data-action='previous'] {
    position: absolute;
    top: 50%;
    left: 1rem;
  }
  [data-action='previous'] {
    translate: 0 -150%;
  }
  [data-action='next'] {
    translate: 0 50%;

    svg {
      rotate: 180deg;
    }
  }
  [data-action='exit'] {
    position: absolute;
    right: 1rem;
    top: 1rem;

    svg {
      rotate: 45deg;
    }
  }

  section:not(:has([open])) [data-action] {
    opacity: 0;
    transform: translateY(1rem);
    pointer-events: none;
  }
}

@layer images {
  body {
    overflow-x: hidden;
    --distance: 15%;
  }

  section .img-wrapper {
    display: inline-block;
    transform: translateX(0);
    transition-duration:
      calc(var(--speed) * 0), calc(var(--speed) * 0.65), calc(var(--speed) * 0.65);
    transition-duration:
      calc(var(--speed) * 0), calc(var(--speed) * 0.35), calc(var(--speed) * 1.15);
    transition-timing-function: var(--ease), var(--ease), var(--bounce);
    transform-origin: 100% 150%;
    transition-property: transform, opacity, scale;
    /* translate: 0 0;
    scale: 0.6; */
    /* opacity: 0; */
    /* z-index: 2; */
  }
  /* translation only translates when we've opened up the "details"  */
  section[data-checking-details='true'] .img-wrapper {
    transform-origin: 50% 100%;
    transition-timing-function: var(--ease);
    transition-duration:
      calc(var(--speed) * 0.6), calc(var(--speed) * 0.25),
      calc(var(--speed) * 0.65);
  }

  section .img-block:nth-of-type(1) {
    z-index: 10;
  }

  section .img-block:nth-of-type(1) .img-wrapper {
    transform-origin: 50% 50%;
    transition-property: translate, opacity, scale;
    transition-duration:
      calc(var(--speed) * 0.4), calc(var(--speed) * 0.35),
      calc(var(--speed) * 1.15);
    transition-timing-function: ease-in, var(--ease), var(--bounce);
  }
  /* this is the closed states so offset to the right */
  /* section:not(:has([open])) .column:last-of-type .img-block:first-of-type, */
  section:has(details:nth-of-type(1)[open])
    .column:last-of-type
    .img-block:nth-of-type(2),
  section:has(details:nth-of-type(2)[open])
    .column:last-of-type
    .img-block:nth-of-type(3),
  section:has(details:nth-of-type(3)[open])
    .column:last-of-type
    .img-block:nth-of-type(4),
  section:has(details:nth-of-type(4)[open])
    .column:last-of-type
    .img-block:nth-of-type(5),
  section:has(details:nth-of-type(5)[open])
    .column:last-of-type
    .img-block:nth-of-type(6) {
    translate: var(--distance) 0;
    z-index: 2;

    .img-wrapper {
      transform: translateX(calc(var(--distance) * -1));
      transition-delay: calc(var(--speed) * 0.2);
    }
  }

  /* first one is a special case */
  section:not(:has([open]))
    div.column:nth-of-type(2)
    div.img-block:first-of-type {
    translate: 0 0;

    .img-wrapper {
      transform: translateX(0%);
      transition-delay: calc(var(--speed) * 0.2);
    }
  }

  /* this is for the default state */
  /* section:has([open]) .column:last-of-type .img-block:first-of-type, */
  /* this is the default non translated state before opening, requires different easing */
  section:not(:has(details:nth-of-type(1)[open]))
    .column:last-of-type
    .img-block:nth-of-type(2),
  section:not(:has(details:nth-of-type(2)[open]))
    .column:last-of-type
    .img-block:nth-of-type(3),
  section:not(:has(details:nth-of-type(3)[open]))
    .column:last-of-type
    .img-block:nth-of-type(4),
  section:not(:has(details:nth-of-type(4)[open]))
    .column:last-of-type
    .img-block:nth-of-type(5),
  section:not(:has(details:nth-of-type(5)[open]))
    .column:last-of-type
    .img-block:nth-of-type(6) {
    .img-wrapper {
      transition-property: translate, opacity, scale;
      transition-timing-function: ease-in, ease-out, ease-in;
      /* this offsets when off */
      /* translate: -60% 0; */
      translate: 0 0;
      scale: 0.9;
      opacity: 0;
      /* z-index: 1; */
    }
  }
  .img-block:nth-of-type(1) .img-wrapper img {
    object-position: calc(50% + 4rem) 50%;
  }
  .img-block:nth-of-type(2) .img-wrapper img {
    object-position: right;
  }
  section[data-checking-details='true'] {
    &:not(:has(details:nth-of-type(1)[open]))
      .column:last-of-type
      .img-block:nth-of-type(2),
    &:not(:has(details:nth-of-type(2)[open]))
      .column:last-of-type
      .img-block:nth-of-type(3),
    &:not(:has(details:nth-of-type(3)[open]))
      .column:last-of-type
      .img-block:nth-of-type(4),
    &:not(:has(details:nth-of-type(4)[open]))
      .column:last-of-type
      .img-block:nth-of-type(5),
    &:not(:has(details:nth-of-type(5)[open]))
      .column:last-of-type
      .img-block:nth-of-type(6) {
      .img-wrapper {
        transform-origin: 50% 100%;
        /* transition-property: translate, opacity, scale;
        transition-timing-function: ease-in, ease-out, ease-in; */
        /* this offsets when off */
        translate: calc(var(--distance) * -1) 0;
        /* translate: 0 0;
        scale: 0.9;
        opacity: 0; */
        /* z-index: 1; */
      }
    }
  }
  /* first one is a special case again */
  section:has([open]) .column:last-of-type .img-block:first-of-type {
    .img-wrapper {
      translate: 0 0;
      scale: 1.25;
      opacity: 0;
      /* z-index: 1; */
    }
  }
}

@layer demo {
  :root {
    --ease: cubic-bezier(0.42, 0, 0.58, 1);
    --bounce: linear(
      0 0%,
      0.4214 6.61%,
      0.5762 9.59%,
      0.7047 12.55%,
      0.8115 15.61%,
      0.8964 18.78%,
      0.9614 22.13%,
      1.0078 25.74%,
      1.0282 28.18%,
      1.0422 30.82%,
      1.0503 33.7%,
      1.0527 36.95%,
      1.0468 42.53%,
      1.015 58.45%,
      1.0045 67.2%,
      0.9987 80.44%,
      1 100%
    );
    /* --bounce: var(--ease); */
    --speed: 0.5s;
    --width: 300px;
    --sizing: 56px;
    --background: light-dark(hsl(0 0% 10% / 0.75), hsl(0 0% 40% / 0.5));
    --hover-background: light-dark(hsl(0 0% 18% / 0.75), hsl(0 0% 48% / 0.5));
  }

  section {
    margin-block: 2rem;
    display: flex;
    place-items: center;
    gap: 1rem;
    position: relative;
    min-height: 500px;
    /* height: 70vh; */
    aspect-ratio: 4 / 3;
    justify-content: flex-start;
    overflow: hidden;
    max-width: calc(100vw - 2rem);
    width: 800px;
    border-radius: 1rem;
    background: light-dark(#fff, #000);
    border: 2px solid color-mix(in oklch, canvasText, canvas 80%);
    container-type: inline-size;

    /* &[data-checking-details=true] {
      background: red;
      } */

    [data-action] {
      position: absolute;
    }
  }

  .column:first-of-type {
    padding-left: 4rem;
    display: grid;
    grid-auto-rows: auto;
    width: var(--width);
    place-items: center;
    justify-items: start;
    gap: 0.5rem;
    z-index: 20;
    flex: 1 0 var(--width);
  }

  .column:last-of-type {
    width: 100cqi;
    height: 100%;
    position: relative;
    display: grid;
    grid-auto-flow: row;
    place-items: center;
    gap: 0.675rem;
    pointer-events: none;
  }

  .column:last-of-type .img-block {
    position: absolute;
    inset: 0;

    .img-wrapper {
      width: 100%;
      object-fit: cover;
      height: 100%;

      img {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        aspect-ratio: 1;
        height: 100%;
        width: 100cqw;
        object-fit: cover;
      }
    }
  }

  summary {
    display: inline-flex;
    gap: 0.5rem;
    align-items: center;
    padding: 1.5rem;
    border-radius: calc(var(--sizing) * 0.5);
    height: var(--sizing);
    min-height: var(--sizing);
    cursor: pointer;
    z-index: 20;
    position: relative;
    transition-property: opacity, width;
    transition-duration: calc(var(--speed) * 0.5), calc(var(--speed) * 1.5);
    transition-timing-function: var(--ease), var(--bounce);
    transition-delay: calc(var(--speed) * 1.05), 0s;
    white-space: nowrap;
    font-weight: 600;

    outline-color: canvasText;

    svg {
      width: 24px;
      aspect-ratio: 1;
    }
  }

  [open] summary {
    opacity: 0;
    pointer-events: none;
    transition-delay: 0s;
    width: var(--width);
  }

  details {
    display: inline-block;
    border-radius: calc(var(--sizing) * 0.5);
    overflow: hidden;
    min-height: var(--sizing);
    background: var(--background);
    backdrop-filter: blur(20px) saturate(180%);
    color: #fff;
    transition: background 0.2s var(--ease);

    &:hover:not([open]) {
      background: var(--hover-background);
    }
  }

  summary:marker {
    opacity: 0;
  }

  details::details-content {
    opacity: 0;
    transition-property: content-visibility, height, width, opacity;
    transition-duration:
      var(--speed), calc(var(--speed) * 1.6), calc(var(--speed) * 1.6),
      calc(var(--speed) * 0.5);
    transition-behavior: allow-discrete;
    transition-timing-function:
      var(--ease), var(--bounce), var(--bounce), var(--ease);
    overflow: visible;
    height: var(--sizing);
    margin-top: calc(var(--sizing) * -1);
    width: 120px;
    min-height: var(--sizing);
  }

  [open]::details-content {
    height: fit-content;
    width: var(--width);
    opacity: 1;
    transition-delay: 0s, 0s, 0s, calc(var(--speed) * 1);
  }
  .content {
    width: var(--width);
    min-height: var(--sizing);
  }

  details,
  details::details-content {
    interpolate-size: allow-keywords;
  }

  p {
    margin: 0;
    width: var(--width);
    padding: 1.5rem;
    display: inline-block;
  }
}

@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;
  z-index: 999999;
}