/* Copied from the transitions-dev skill. Change the variables in styles.css,
   not these rules: the snippets are tuned as a set. */

/* Tabs sliding */
.t-tabs {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px;
  border-radius: 48px;
  background: var(--tabs-bar-bg);
}
.t-tab {
  position: relative;
  appearance: none;
  border: 0;
  background: transparent;
  height: 30px;
  padding: 4px 12px;
  color: var(--tabs-text-muted);
  cursor: pointer;
  border-radius: 48px;
  z-index: 1;
  transition: color var(--tabs-dur) var(--tabs-ease);
}
.t-tab:not([aria-selected="true"]):hover,
.t-tab[aria-selected="true"] {
  color: var(--tabs-text-active);
}
.t-tabs-pill {
  position: absolute;
  top: 3px;
  left: 0;
  height: 30px;
  width: 0;
  background: var(--tabs-pill-bg);
  border-radius: 48px;
  transform: translateX(0);
  transition:
    transform var(--tabs-dur) var(--tabs-ease),
    width     var(--tabs-dur) var(--tabs-ease);
  will-change: transform, width;
  z-index: 0;
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  .t-tabs-pill, .t-tab { transition: none !important; }
}

/* Shimmer text */
.t-shimmer {
  position: relative;
  display: inline-block;
  color: var(--shimmer-base);
}
.t-shimmer::before {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(
    90deg,
    transparent          0%,
    transparent         40%,
    var(--shimmer-highlight) 50%,
    transparent         60%,
    transparent        100%
  );
  background-size: var(--shimmer-band) 100%;
  background-repeat: no-repeat;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: t-shimmer var(--shimmer-dur) var(--shimmer-ease) infinite;
}
@keyframes t-shimmer {
  0%   { background-position: 100% 0; }
  100% { background-position: 0% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .t-shimmer::before { animation: none !important; }
}

/* Skeleton loader and reveal */
.t-skel { position: relative; }
.t-skel-skeleton,
.t-skel-content {
  position: absolute;
  inset: 0;
}
.t-skel-skeleton {
  z-index: 1;
  opacity: 1;
  filter: blur(0);
  transition:
    opacity var(--reveal-dur) var(--reveal-ease),
    filter  var(--reveal-dur) var(--reveal-ease);
}
.t-skel-content {
  z-index: 2;
  opacity: 0;
  filter: blur(var(--reveal-blur));
  transition:
    opacity var(--reveal-dur) var(--reveal-ease),
    filter  var(--reveal-dur) var(--reveal-ease);
}
.t-skel.is-revealed .t-skel-skeleton {
  opacity: 0;
  filter: blur(var(--reveal-blur));
}
.t-skel.is-revealed .t-skel-content {
  opacity: 1;
  filter: blur(0);
}
.t-skel.is-resetting .t-skel-skeleton,
.t-skel.is-resetting .t-skel-content {
  transition: none !important;
}
.t-skel-skeleton.is-pulsing > * {
  animation: t-skel-pulse var(--pulse-dur) ease-in-out var(--pulse-count);
}
@keyframes t-skel-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: var(--pulse-min); }
}
@media (prefers-reduced-motion: reduce) {
  .t-skel-skeleton, .t-skel-content {
    transition: none !important;
  }
  .t-skel-skeleton.is-pulsing > * { animation: none !important; }
}

/* Error state shake */
.t-input {
  transition: border-color 150ms ease-out;
  will-change: transform;
}
.t-input.is-error {
  transition: border-color var(--revert-dur, 280ms) ease-out;
}
.t-error-msg {
  opacity: 0;
  visibility: hidden;
  transition:
    opacity    var(--revert-dur, 280ms) ease-out,
    visibility 0s linear var(--revert-dur, 280ms);
}
.t-input-wrap.is-error .t-error-msg {
  opacity: 1;
  visibility: visible;
  transition:
    opacity    var(--revert-dur, 280ms) ease-out,
    visibility 0s linear 0s;
}
.t-input.is-shaking {
  animation: t-input-shake calc(
      var(--shake-dur-a) * 2 + var(--shake-dur-b) * 2
    ) linear;
}
@keyframes t-input-shake {
  0%      { transform: translateX(0);                                 animation-timing-function: var(--shake-ease); }
  28.57%  { transform: translateX(var(--shake-distance));             animation-timing-function: var(--shake-ease); }
  57.14%  { transform: translateX(calc(var(--shake-distance) * -1)); animation-timing-function: var(--shake-ease); }
  78.57%  { transform: translateX(var(--shake-overshoot));            animation-timing-function: var(--shake-ease); }
  100%    { transform: translateX(0); }
}
@media (prefers-reduced-motion: reduce) {
  .t-input { animation: none !important; transform: none !important; }
}

/* Texts reveal */
.t-stagger-line {
  display: block;
  opacity: 0;
  transform: translateY(var(--stagger-distance));
  filter: blur(var(--stagger-blur));
  transition:
    opacity   var(--stagger-dur) var(--stagger-ease),
    transform var(--stagger-dur) var(--stagger-ease),
    filter    var(--stagger-dur) var(--stagger-ease);
  will-change: transform, opacity, filter;
}
.t-stagger-line--2 { transition-delay: var(--stagger-stagger); }
.t-stagger.is-shown .t-stagger-line {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}
@media (prefers-reduced-motion: reduce) {
  .t-stagger-line { transition: none !important; }
}