oc.dalfuss.link/css/parvus.css

:root {
  --parvus-transition-duration: 300ms;
  --parvus-transition-timing-function: cubic-bezier(0.62, 0.16, 0.13, 1.01);
  --parvus-background-color: hsl(23deg 44% 96%);
  --parvus-color: hsl(228deg 24% 23%);
  --parvus-btn-background-color: hsl(228deg 24% 23%);
  --parvus-btn-color: hsl(0deg 0% 100%);
  --parvus-btn-hover-background-color: hsl(229deg 24% 33%);
  --parvus-btn-hover-color: hsl(0deg 0% 100%);
  --parvus-btn-disabled-background-color: hsla(229deg 24% 33% / 60%);
  --parvus-btn-disabled-color: hsl(0deg 0% 100%);
  --parvus-caption-background-color: transparent;
  --parvus-caption-color: hsl(228deg 24% 23%);
  --parvus-loading-error-background-color: hsl(0deg 0% 100%);
  --parvus-loading-error-color: hsl(228deg 24% 23%);
  --parvus-loader-background-color: hsl(23deg 40% 96%);
  --parvus-loader-color: hsl(228deg 24% 23%);
}

body:has(.parvus[aria-hidden=false]) {
  touch-action: none;
}

/**
 * Parvus trigger
 *
 */
.parvus-trigger:has(img) {
  display: block;
  position: relative;
}
.parvus-trigger:has(img) .parvus-zoom__indicator {
  align-items: center;
  background-color: var(--parvus-btn-background-color);
  color: var(--parvus-btn-color);
  display: flex;
  justify-content: center;
  padding: 0.5rem;
  position: absolute;
  inset-inline-end: 0.5rem;
  inset-block-start: 0.5rem;
}
.parvus-trigger:has(img) img {
  display: block;
}

/**
 * Parvus
 *
 */
.parvus {
  box-sizing: border-box;
  contain: strict;
  inset: 0;
  overflow: hidden;
  overscroll-behavior: contain;
  position: fixed;
  z-index: 1337;
}
.parvus *, .parvus *::before, .parvus *::after {
  box-sizing: border-box;
}
.parvus[aria-hidden=true] {
  display: none;
}
.parvus__overlay {
  background-color: var(--parvus-background-color);
  color: var(--parvus-color);
  inset: 0;
  position: absolute;
}
.parvus__slider {
  inset: 0;
  position: absolute;
}
.parvus__slider[aria-hidden=true] {
  display: none;
}
@media screen and (prefers-reduced-motion: no-preference) {
  .parvus__slider--animate:not(.parvus__slider--is-dragging) {
    transition: transform var(--parvus-transition-duration) var(--parvus-transition-timing-function);
    will-change: transform;
  }
}
.parvus__slider--is-draggable {
  cursor: grab;
}
.parvus__slider--is-dragging {
  cursor: grabbing;
}
.parvus__slide {
  block-size: 100%;
  display: grid;
  inline-size: 100%;
  padding-block: 3.75rem 1rem;
  padding-inline: 1rem;
  place-items: center;
}
.parvus__slide img {
  block-size: auto;
  display: block;
  inline-size: auto;
  margin-inline: auto;
  transform-origin: left top;
}
.parvus__content--error {
  background-color: var(--parvus-loading-error-background-color);
  color: var(--parvus-loading-error-color);
  padding-block: 0.5rem;
  padding-inline: 1rem;
}
.parvus__caption {
  background-color: var(--parvus-caption-background-color);
  color: var(--parvus-caption-color);
  padding-block-start: 0.5rem;
  text-align: start;
}
.parvus__loader {
  display: inline-block;
  block-size: 6.25rem;
  inset-inline-start: 50%;
  position: absolute;
  inset-block-start: 50%;
  transform: translate(-50%, -50%);
  inline-size: 6.25rem;
}
.parvus__loader::before {
  animation: spin 1s infinite;
  border-radius: 100%;
  border: 0.25rem solid var(--parvus-loader-background-color);
  border-block-start-color: var(--parvus-loader-color);
  content: "";
  inset: 0;
  position: absolute;
  z-index: 1;
}
.parvus__toolbar {
  align-items: center;
  display: flex;
  inset-block-start: 1rem;
  inset-inline: 1rem;
  justify-content: space-between;
  position: absolute;
}
.parvus__controls {
  display: flex;
  gap: 0.5rem;
}
.parvus__btn {
  appearance: none;
  background-color: var(--parvus-btn-background-color);
  background-image: none;
  border-radius: 0;
  border: 0.0625rem solid transparent;
  color: var(--parvus-btn-color);
  cursor: pointer;
  display: flex;
  font: inherit;
  padding: 0.3125rem;
  position: relative;
  touch-action: manipulation;
  will-change: transform, opacity;
  z-index: 7;
}
.parvus__btn:hover, .parvus__btn:focus-visible {
  background-color: var(--parvus-btn-hover-background-color);
  color: var(--parvus-btn-hover-color);
}
.parvus__btn--previous {
  inset-inline-start: 0;
  position: absolute;
  inset-block-start: calc(50svh - 1rem);
  transform: translateY(-50%);
}
.parvus__btn--next {
  position: absolute;
  inset-inline-end: 0;
  inset-block-start: calc(50svh - 1rem);
  transform: translateY(-50%);
}
.parvus__btn svg {
  pointer-events: none;
}
.parvus__btn[aria-hidden=true] {
  display: none;
}
.parvus__btn[aria-disabled=true] {
  background-color: var(--parvus-btn-disabled-background-color);
  color: var(--parvus-btn-disabled-color);
}
.parvus__counter {
  position: relative;
  z-index: 7;
}
.parvus__counter[aria-hidden=true] {
  display: none;
}
@media screen and (prefers-reduced-motion: no-preference) {
  .parvus__overlay, .parvus__counter, .parvus__btn--close, .parvus__btn--previous, .parvus__btn--next, .parvus__caption {
    transition: transform var(--parvus-transition-duration) var(--parvus-transition-timing-function), opacity var(--parvus-transition-duration) var(--parvus-transition-timing-function);
    will-change: transform, opacity;
  }
  .parvus--is-opening .parvus__overlay, .parvus--is-opening .parvus__counter, .parvus--is-opening .parvus__btn--close, .parvus--is-opening .parvus__btn--previous, .parvus--is-opening .parvus__btn--next, .parvus--is-opening .parvus__caption, .parvus--is-closing .parvus__overlay, .parvus--is-closing .parvus__counter, .parvus--is-closing .parvus__btn--close, .parvus--is-closing .parvus__btn--previous, .parvus--is-closing .parvus__btn--next, .parvus--is-closing .parvus__caption {
    opacity: 0;
  }
  .parvus--is-vertical-closing .parvus__counter, .parvus--is-vertical-closing .parvus__btn--close {
    transform: translateY(-100%);
    opacity: 0;
  }
  .parvus--is-vertical-closing .parvus__btn--previous {
    transform: translate(-100%, -50%);
    opacity: 0;
  }
  .parvus--is-vertical-closing .parvus__btn--next {
    transform: translate(100%, -50%);
    opacity: 0;
  }
  .parvus--is-vertical-closing .parvus__caption {
    transform: translateY(100%);
    opacity: 0;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}