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

@layer normalize, base, prototype, trackpad, reveal;

@layer reveal {
  .trackpad-marker::before {
    animation: reveal-marker 0.2s ease-out both;
  }
  .feature-image button {
    animation: reveal 0.2s ease-out both;
  }
  @keyframes reveal {
    0% {
      transform: translate(-50%, -50%) scale(0);
    }
  }
  @keyframes reveal-marker {
    0% {
      scale: 0;
    }
  }
}

@layer trackpad {
  trackpad-control {
    display: grid;
    align-content: start;
    container-type: size;
  }
  .trackpad-controls {
    position: static;
    padding-top: 0.5rem;
  }
  .trackpad-controls,
  .trackpad {
    grid-row: 1;
    grid-column: 1;
  }
  [data-trackpad='true'] .trackpad-controls {
    transform: translateY(70cqb);
    transition-delay: 0.2s;
  }
  [data-trackpad='false'] .trackpad-controls {
    scale: 1;
  }
  .trackpad {
    transition-property: opacity, translate;
    transition-duration: 0.2s;
    transition-timing-function: ease-out;
    overflow: visible;
  }
  [data-trackpad='false'] .trackpad {
    opacity: 0;
    translate: 0 12px;
    pointer-events: none;
  }
  /* form:has([data-active]:nth-of-type(1)) + .feature-image button:nth-of-type(1),
  form:has([data-active]:nth-of-type(2)) + .feature-image button:nth-of-type(2),
  form:has([data-active]:nth-of-type(3)) + .feature-image button:nth-of-type(3),
  form:has([data-active]:nth-of-type(4)) + .feature-image button:nth-of-type(4),
  form:has([data-active]:nth-of-type(5)) + .feature-image button:nth-of-type(5) {
    outline: 2px dashed hsl(210, 100%, 37%);
    outline-offset: -6px;
  } */
}

@layer prototype {
  .hotspot {
    opacity: 0;
    scale: 0.98;
    translate: -50% 0.25rem;
    transition-property: display, opacity, scale, translate;
    transition-behavior: allow-discrete;
    transition-timing-function: cubic-bezier(0.32, 0.72, 0, 1);
    transition-duration: 0.12s;
    transform-origin: 50% 100%;
  }

  .hotspot:focus-visible {
    outline-color: canvasText;
  }

  .hotspot:popover-open {
    opacity: 1;
    translate: -50% 0;
    scale: 1;
  }

  @starting-style {
    .hotspot:popover-open {
      transition-duration: 0.3s;
      opacity: 0.7;
      translate: -50% 0.5rem;
      scale: 0.94;
    }
  }

  [popovertarget]:has(+ .hotspot:popover-open)::after,
  [popovertarget]:is(:hover, :focus-visible)::after {
    scale: 0.5;
  }

  [popovertarget] {
    anchor-name: --trigger;
    position: absolute;
    left: calc(var(--marker-x, 0) * 1%);
    top: calc(var(--marker-y, 0) * 1%);
    transform: translate(-50%, -50%);
    width: 44px;
    aspect-ratio: 1;
    border-radius: 50%;
    background: #0000;
    border: 0;
    cursor: pointer;
    padding: 0;

    &::before {
      content: '';
      position: absolute;
      width: 24px;
      aspect-ratio: 1;
      top: 50%;
      left: 50%;
      translate: -50% -50%;
      border: 2px solid #fff;
      border-radius: 50%;
      background: hsl(0 0% 0% / 0.25);
    }
    &::after {
      content: '';
      width: 16px;
      aspect-ratio: 1;
      top: 50%;
      left: 50%;
      translate: -50% -50%;
      border-radius: 50%;
      background: #fff;
      position: absolute;
      transition: scale 0.2s ease-out;
    }
  }

  .hotspot {
    position-anchor: --trigger;
    font-size: 0.75rem;
    font-family: monospace;
    inset: unset;
    bottom: calc(anchor(top) + 1.5rem);
    left: calc(anchor(left) + (anchor-size(width) * 0.5));
    translate: -50% 0.5rem;
    margin: 0;
    border-radius: 8px;
    /* opportunity to do better shadowing here with an outline + shadow? */
    backdrop-filter: blur(10px) saturate(180%);
    background: light-dark(hsl(0 0% 100% / 0.65), hsl(0 0% 0% / 0.65));
    background-clip: padding-box, border-box;
    border: 1px solid light-dark(hsl(0 0% 30% / 0.5), hsl(0 0% 70% / 0.5));
    box-shadow: 0 4px 10px hsl(0 0% 0% / 0.1);
    padding: 1rem;
  }

  fieldset {
    font-family: monospace;
    position: relative;
    border: 0;
    padding: 0;
    margin: 0;

    legend {
      opacity: 0.7;
      margin-bottom: 0.5rem;
    }
  }

  main {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
  }

  [popover] {
    white-space: nowrap;
  }

  .trackpad-holder {
    display: inline-block;
    position: relative;
    width: 200px;
    aspect-ratio: 1 / var(--aspect-ratio, 1);
  }

  [data-trackpad='true'][data-reveal='true'] .trackpad-controls {
    translate: 0 calc(30cqb + 1rem);
    scale: 1;
  }

  .trackpad-controls {
    position: absolute;
    display: grid;
    gap: 0.5rem 1rem;
    grid-template-columns: auto 1fr;
    align-content: center;
    place-items: center;
    bottom: 10%;
    left: 10%;
    right: 10%;
    accent-color: canvasText;
    transition-property: translate, scale, transform;
    transition-duration: 0.2s, 0.2s, 0.2s;
    transition-timing-function: ease-out;
    scale: 0.6;
    transform-origin: 50% 0;

    input {
      width: 100%;
    }
  }

  .feature-image {
    width: clamp(260px, 40vmin, 400px);
    aspect-ratio: 1 / var(--aspect-ratio, 1);
    position: relative;
    border-radius: 1rem;
    /* overflow: hidden; */
    container-type: size;
    outline: 4px solid color-mix(in lch, canvasText, #0000 75%);
    outline-offset: 4px;

    img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: inherit;
    }
  }

  .hotspot {
    position: absolute;
  }

  .trackpad {
    position: absolute;
    height: 100%;
    width: 100%;
    border: 1px solid color-mix(in lch, canvasText, #0000 75%);
    border-radius: 4px;
    cursor: crosshair;
    background: canvas;
    transition: background-color 0.2s;
    user-select: none;
    touch-action: none;
    z-index: 2;
    overflow: hidden;
    container-type: size;

    &::before {
      content: '';
      position: absolute;
      inset: 0;
      background: canvas;
      background: color-mix(in lch, canvasText, #0000 98%);
    }
  }

  .trackpad:hover::before {
    background: color-mix(in lch, canvasText, #0000 95%);
  }

  .trackpad:active::before {
    background: color-mix(in lch, canvasText, #0000 93%);
  }

  .trackpad-marker {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    translate: calc(-50% + (var(--marker-x, 0) * 1cqi))
      calc(-50% + (var(--marker-y, 0) * 1cqh));
    pointer-events: none;
    transition: opacity 0.2s;
    opacity: 0.8;
  }

  .trackpad-marker::before {
    content: '';
    border: 2px solid canvasText;
    background: color-mix(in lch, canvasText, #0000 30%);
    position: absolute;
    inset: 0;
    transform-origin: 50% 50%;
    opacity: 0.8;
    border-radius: 50%;
  }

  .trackpad-marker::after {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid currentColor;
    border-radius: 50%;
    transition: scale 0.12s ease-out;
    scale: 0;
  }

  .trackpad-marker[data-active]::after,
  .trackpad-marker[data-hover]::after {
    scale: 1;
  }

  .trackpad:hover .trackpad-marker {
    opacity: 1;
  }

  /* Pointer lock active state */
  .trackpad.pointer-lock-active {
    outline: 2px dashed color-mix(in lch, canvasText, #0000 50%);
    outline-offset: 2px;
  }

  .trackpad.pointer-lock-active .trackpad-marker {
    box-shadow: 0 0 0 4px color-mix(in lch, canvasText, #0000 90%);
  }
}
@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: 280px;
  position: fixed;
}