/* <fd-world>, sidebar, compare, marquee, steps, question, not found, file card, bloom. */

fd-world {
  display: block;
  overflow: hidden;
  color: var(--fd-ink);
}

fd-world > canvas {
  display: block;
  image-rendering: pixelated;
}

fd-sidebar {
  position: relative;
  display: block;
  width: 200px;
  overflow: hidden;
  transition: width var(--fd-spring-settle);
}

fd-sidebar[collapsed] {
  width: 34px;
}

fd-sidebar[collapsed] > :not(.fd-sidebar-toggle) {
  visibility: hidden;
}

.fd-sidebar-toggle {
  display: block;
  width: 26px;
  height: 26px;
  margin: 4px 4px 4px auto;
  padding: 0;
  border: 0;
  border-radius: var(--fd-radius-pill);
  background-color: var(--fd-soft);
  color: var(--fd-ink);
  font: var(--fd-weight-strong) 12px / 1 var(--fd-font-sans);
  cursor: pointer;
}

.fd-sidebar-toggle:focus-visible {
  outline: 1px solid var(--fd-focus);
  outline-offset: 1px;
}

fd-compare {
  --_split: 50%;
  position: relative;
  display: block;
  overflow: hidden;
}

fd-compare > :not(input) {
  display: block;
  width: 100%;
  height: 100%;
}

fd-compare > :nth-child(2) {
  position: absolute;
  inset: 0;
  clip-path: inset(0 0 0 var(--_split));
}

fd-compare > input {
  appearance: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  background: none;
  cursor: ew-resize;
}

fd-compare > input::-webkit-slider-thumb {
  appearance: none;
  width: 2px;
  height: 100vh;
  background-color: var(--fd-focus);
}

fd-compare > input::-moz-range-thumb {
  width: 2px;
  height: 100vh;
  border: 0;
  background-color: var(--fd-focus);
}

fd-compare > input:focus-visible {
  outline: 1px solid var(--fd-focus);
  outline-offset: -1px;
}

fd-marquee {
  display: flex;
  overflow: hidden;
  color: var(--fd-ink-soft);
  font: var(--fd-weight-strong) var(--fd-font-size) / var(--fd-line-height) var(--fd-font-sans);
}

.fd-marquee-track {
  display: flex;
  flex: none;
  gap: 32px;
  padding-inline-end: 32px;
  animation: fd-marquee-slide 24s linear infinite;
}

fd-marquee:hover .fd-marquee-track,
fd-marquee:focus-within .fd-marquee-track {
  animation-play-state: paused;
}

@keyframes fd-marquee-slide {
  to {
    translate: -100%;
  }
}

/* <ol class="fd-steps"> with <li data-state="done|active">. Without one a step waits. */
.fd-steps {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  color: var(--fd-ink-soft);
  font: var(--fd-weight-regular) var(--fd-font-size) / var(--fd-line-height) var(--fd-font-sans);
  list-style: none;
}

.fd-steps li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fd-steps li::before {
  content: '';
  flex: none;
  width: 8px;
  height: 8px;
  box-shadow: inset 0 0 0 1px var(--fd-edge);
}

.fd-steps li[data-state='done'] {
  color: var(--fd-ink);
}

.fd-steps li[data-state='done']::before {
  background-color: var(--fd-ink);
  box-shadow: none;
}

.fd-steps li[data-state='active'] {
  color: var(--fd-ink);
  font-weight: var(--fd-weight-strong);
}

.fd-steps li[data-state='active']::before {
  background-image: repeating-conic-gradient(var(--fd-ink) 0 25%, transparent 0 50%);
  background-size: 4px 4px;
}

/* A <fieldset class="fd-question"> asks one thing, with choices and actions inside. */
.fd-question {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 14px;
  border: 0;
  border-radius: calc(var(--fd-radius-control) + 2px);
  background-color: var(--fd-surface-1);
  box-shadow: var(--fd-shadow-1);
  color: var(--fd-ink);
  font: var(--fd-weight-regular) var(--fd-font-size) / var(--fd-line-height) var(--fd-font-sans);
}

.fd-question legend {
  float: left;
  width: 100%;
  margin-bottom: 4px;
  padding: 0;
  font-weight: var(--fd-weight-strong);
}

.fd-question > :not(legend) {
  clear: both;
}

.fd-not-found {
  display: grid;
  justify-items: center;
  gap: 6px;
  padding: 40px 16px;
  color: var(--fd-ink-soft);
  font: var(--fd-weight-regular) var(--fd-font-size) / var(--fd-line-height) var(--fd-font-sans);
  text-align: center;
}

.fd-not-found-code {
  margin: 0;
  color: var(--fd-ink);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
}

.fd-not-found p {
  margin: 0;
}

.fd-file {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px 8px 8px;
  border-radius: var(--fd-radius-control);
  background-color: var(--fd-surface-1);
  box-shadow: var(--fd-shadow-1);
  color: var(--fd-ink);
  font: var(--fd-weight-regular) var(--fd-font-size) / var(--fd-line-height) var(--fd-font-sans);
}

.fd-file-type {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--fd-radius-pill);
  background-color: var(--fd-soft);
  font-size: 10px;
  font-weight: var(--fd-weight-strong);
  text-transform: uppercase;
}

.fd-file-size {
  display: block;
  color: var(--fd-ink-soft);
  font-size: 12px;
}

/* .fd-bloom gives any element a soft glow in its data-tone color. */
.fd-bloom {
  --_glow: var(--fd-ink-soft);
  filter: drop-shadow(0 0 3px color-mix(in srgb, var(--_glow) 60%, transparent)) drop-shadow(0 0 14px color-mix(in srgb, var(--_glow) 45%, transparent));
}

.fd-bloom[data-tone='red'] { --_glow: var(--fd-red); }
.fd-bloom[data-tone='orange'] { --_glow: var(--fd-orange); }
.fd-bloom[data-tone='green'] { --_glow: var(--fd-green); }
.fd-bloom[data-tone='blue'] { --_glow: var(--fd-blue); }
.fd-bloom[data-tone='violet'] { --_glow: var(--fd-violet); }
.fd-bloom[data-tone='pink'] { --_glow: var(--fd-pink); }

@media (prefers-reduced-motion: reduce) {
  .fd-marquee-track {
    animation: none;
  }
}

/* <details class="fd-thinking-steps"> folds a run of .fd-steps under a line of status. */
.fd-thinking-steps {
  color: var(--fd-ink);
  font: var(--fd-weight-regular) var(--fd-font-size) / var(--fd-line-height) var(--fd-font-sans);
}

.fd-thinking-steps > summary {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--fd-ink-soft);
  cursor: pointer;
  list-style: none;
}

.fd-thinking-steps > summary::-webkit-details-marker {
  display: none;
}

.fd-thinking-steps > summary::after {
  content: '';
  width: 2px;
  height: 2px;
  margin-inline-end: var(--fd-glyph-arrow-width);
  box-shadow: var(--fd-glyph-arrow);
  rotate: -90deg;
  transition: rotate var(--fd-spring-glide);
}

.fd-thinking-steps[open] > summary::after {
  rotate: 0deg;
}

.fd-thinking-steps > summary:focus-visible {
  outline: 1px solid var(--fd-focus);
  outline-offset: 2px;
}

.fd-thinking-steps > .fd-steps {
  margin-top: 10px;
}

.fd-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
  font-weight: var(--fd-weight-regular);
}

/* <fd-questions> shows one .fd-question at a time. */
fd-questions {
  display: grid;
  gap: 12px;
  color: var(--fd-ink);
  font: var(--fd-weight-regular) var(--fd-font-size) / var(--fd-line-height) var(--fd-font-sans);
}

.fd-questions-count,
.fd-questions-done {
  margin: 0;
  color: var(--fd-ink-soft);
}

fd-questions > .fd-question {
  box-sizing: border-box;
  min-width: 0;
  width: 100%;
  margin: 0;
  counter-reset: fd-option;
}

fd-questions > .fd-question[hidden] {
  display: none;
}

fd-questions .fd-choice {
  counter-increment: fd-option;
}

fd-questions .fd-choice::after {
  content: counter(fd-option);
  margin-inline-start: auto;
  padding-inline: 5px;
  border-radius: var(--fd-radius-pill);
  background-color: var(--fd-soft);
  color: var(--fd-ink-soft);
  font-size: 11px;
}

fd-questions .fd-choice {
  display: flex;
}

.fd-questions-actions {
  display: flex;
  gap: var(--fd-gap);
  justify-content: flex-end;
}