/* transitions.css — recetas de transitions-dev (verbatim). Requiere _root.css antes. */

/* ===== Dropdown (05-menu-dropdown) ===== */
.t-dropdown {
  transform-origin: top left;
  transform: scale(var(--dropdown-pre-scale));
  opacity: 0;
  pointer-events: none;
  transition:
    transform var(--dropdown-open-dur) var(--dropdown-ease),
    opacity   var(--dropdown-open-dur) var(--dropdown-ease);
  will-change: transform, opacity;
}
.t-dropdown[data-origin="top-right"]     { transform-origin: top right; }
.t-dropdown[data-origin="top-center"]    { transform-origin: top center; }
.t-dropdown[data-origin="bottom-left"]   { transform-origin: bottom left; }
.t-dropdown[data-origin="bottom-center"] { transform-origin: bottom center; }
.t-dropdown[data-origin="bottom-right"]  { transform-origin: bottom right; }

.t-dropdown.is-open {
  transform: scale(1);
  opacity: 1;
  pointer-events: auto;
}
.t-dropdown.is-closing {
  transform: scale(var(--dropdown-closing-scale));
  opacity: 0;
  pointer-events: none;
  transition:
    transform var(--dropdown-close-dur) var(--dropdown-ease),
    opacity   var(--dropdown-close-dur) var(--dropdown-ease);
}

@media (prefers-reduced-motion: reduce) {
  .t-dropdown { transition: none !important; }
}

/* ===== Modal (06-modal) ===== */
.t-modal {
  transform-origin: center;
  transform: scale(var(--modal-scale));
  opacity: 0;
  pointer-events: none;
  transition:
    transform var(--modal-open-dur) var(--modal-ease),
    opacity   var(--modal-open-dur) var(--modal-ease);
  will-change: transform, opacity;
}
.t-modal.is-open {
  transform: scale(1);
  opacity: 1;
  pointer-events: auto;
}
.t-modal.is-closing {
  transform: scale(var(--modal-scale-close));
  opacity: 0;
  pointer-events: none;
  transition:
    transform var(--modal-close-dur) var(--modal-ease),
    opacity   var(--modal-close-dur) var(--modal-ease);
}

@media (prefers-reduced-motion: reduce) {
  .t-modal { transition: none !important; }
}

/* ===== Toast (22-toast) ===== */
.t-toast {
  opacity: 0;
  transform: translateY(var(--toast-distance)) scale(var(--toast-scale));
  filter: blur(var(--toast-blur));
  will-change: transform, opacity, filter;
  transition:
    opacity var(--toast-close) var(--toast-ease),
    transform var(--toast-close) var(--toast-ease),
    filter var(--toast-close) var(--toast-ease);
}
.t-toast.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
  transition:
    opacity var(--toast-open) var(--toast-ease),
    transform var(--toast-open) var(--toast-ease),
    filter var(--toast-open) var(--toast-ease);
}

@media (prefers-reduced-motion: reduce) {
  .t-toast { transition: none !important; }
}

/* ===== Tabs (16-tabs-sliding) ===== */
/* The bar is just a flex container with padding for the pill
   to sit inside. Tabs sit on z-index: 1, the pill on z-index: 0,
   so labels read above the pill background. */
.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);
}

/* The pill: width + transform are written inline by JS so
   the transition tweens between the previous and next
   measured positions. */
.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; }
}

/* ===== Toggle (27-toggle) ===== */
.t-toggle { transition: background var(--toggle-track) var(--toggle-ease); }
.t-toggle-thumb { translate: 0 0; will-change: translate; }
.t-toggle[data-on="true"] .t-toggle-thumb { translate: var(--toggle-travel) 0; }
.t-toggle.is-init[data-on="true"] .t-toggle-thumb { animation: t-toggle-on var(--toggle-dur) var(--toggle-ease) both; }
.t-toggle.is-init[data-on="false"] .t-toggle-thumb { animation: t-toggle-off var(--toggle-dur) var(--toggle-ease) both; }
@keyframes t-toggle-on {
  0% { translate: 0 0; }
  55% { translate: calc(var(--toggle-travel) + var(--toggle-ov1)) 0; }
  80% { translate: calc(var(--toggle-travel) - var(--toggle-ov2)) 0; }
  100% { translate: var(--toggle-travel) 0; }
}
@keyframes t-toggle-off {
  0% { translate: var(--toggle-travel) 0; }
  55% { translate: calc(0px - var(--toggle-ov1)) 0; }
  80% { translate: var(--toggle-ov2) 0; }
  100% { translate: 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  .t-toggle-thumb { animation: none !important; }
}

/* ===== Error shake (12-error-state-shake) ===== */
/* Border-color tween. Define your input's default / focused
   / error border-color in your own component CSS — this rule
   only owns the interpolation. Use a constant border-width
   across states so the tween never shifts inner content. */
.t-input {
  transition: border-color 150ms ease-out;
  will-change: transform;
}
.t-input.is-error {
  /* Error border auto-reverts on the hold timer, so the
     fade-out uses the slower revert duration (matches the
     message fade). */
  transition: border-color var(--revert-dur, 280ms) ease-out;
}

/* Error message reveal. Visibility is delayed by --revert-dur
   on hide so the message stays painted for the full opacity
   fade-out. Entering .is-error drops the delay to 0 so the
   message becomes visible immediately. */
.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;
}

/* Multi-segment keyframe with per-stop easing so each leg
   of the shake follows its own cubic-bezier independently.
   %-stops are cumulative durations as a fraction of the
   total (80, 60, 80, 60 = 280ms): 28.57%, 57.14%, 78.57%,
   100%. Recompute if any segment duration changes. */
.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; }
}

/* ===== Success check (10-success-check) ===== */
/* Wrapper drives the appear animation; it doesn't own any
   sizing or color so you can drop in any icon. */
.t-success-check {
  display: inline-block;
  transform-origin: center;
  opacity: 0;
  will-change: transform, opacity, filter;
}
/* overflow: visible keeps the stroke from clipping while it
   draws; display: block kills the inline whitespace under SVGs. */
.t-success-check svg { display: block; overflow: visible; }
/* Stroke-draw setup. Replace 20 with the result of
   path.getTotalLength() for your path; round caps mean any
   sub-pixel overshoot is invisible. */
.t-success-check svg path {
  stroke-dasharray: 20;
  stroke-dashoffset: 20;
}

.t-success-check[data-state="in"] {
  animation:
    t-check-fade   var(--check-opacity-dur) var(--check-ease-opacity) forwards,
    t-check-rotate var(--check-rotate-dur)  var(--check-ease-rotate)  forwards,
    t-check-blur   var(--check-blur-dur)    var(--check-ease-out)     forwards,
    t-check-bob    var(--check-bob-dur)     var(--check-ease-bob)     forwards;
}
.t-success-check[data-state="in"] svg path {
  animation: t-check-draw var(--check-path-dur) var(--check-ease-path) var(--check-path-delay, 0ms) forwards;
}

@keyframes t-check-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes t-check-rotate {
  from { transform: rotate(var(--check-rotate-from)); }
  to   { transform: rotate(0deg); }
}
@keyframes t-check-blur {
  from { filter: blur(var(--check-blur-from)); }
  to   { filter: blur(0); }
}
@keyframes t-check-bob {
  from { translate: 0 var(--check-y-amount); }
  to   { translate: 0 0; }
}
@keyframes t-check-draw { to { stroke-dashoffset: 0; } }

@media (prefers-reduced-motion: reduce) {
  .t-success-check { animation: none !important; opacity: 1; }
  .t-success-check svg path { animation: none !important; stroke-dashoffset: 0 !important; }
}

/* ===== Extra del kit: fondo del modal (no es receta de transitions-dev) =====
   <div class="t-backdrop"> <div class="t-modal" id="…">…</div> </div>
   Se desvanece mientras el modal escala; clic en el fondo lo cierra (transitions.js). */
.t-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgb(15 23 42 / 0.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--modal-close-dur) var(--modal-ease);
}
.t-backdrop:has(.t-modal.is-open) {
  opacity: 1;
  pointer-events: auto;
  transition-duration: var(--modal-open-dur);
}
@media (prefers-reduced-motion: reduce) {
  .t-backdrop { transition: none !important; }
}
