/* =========================================================================
   GestionYa - micro-interacciones (capa complementaria a site.css)
   Regla: solo transform / opacity / clip-path. Curva unica var(--ease).
   Se carga DESPUES de site.css. Nada aqui pisa el magnetismo de .btn.
   ========================================================================= */

/* ---------- Tarjetas: borde con foco de luz que sigue al cursor ---------- */
.card { position: relative; --mx: 50%; --my: 50%; }
@media (pointer: fine) {
  .card::after {
    content: ""; position: absolute; inset: -1px; z-index: 1;
    border-radius: inherit; padding: 1px;
    background: radial-gradient(260px circle at var(--mx) var(--my), var(--accent), transparent 62%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
            mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    opacity: 0; pointer-events: none;
    transition: opacity .3s var(--ease);
  }
  .card:hover::after { opacity: 1; }
  .band-ink .card::after { background: radial-gradient(240px circle at var(--mx) var(--my), var(--accent), transparent 60%); }
  .card-icon { will-change: transform; }
}

/* ---------- Menu movil: icono hamburguesa / X ---------- */
[data-nav-toggle] i { display: block; transition: transform .3s var(--ease); }
[data-nav-toggle][aria-expanded="true"] i { transform: rotate(90deg); }
.nav__panel[data-open="true"] > * { will-change: transform, opacity; }

/* ---------- Cambio de tema: tinta que se expande desde el boton ---------- */
::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 2; animation: gy-ink .55s var(--ease) both; }
@keyframes gy-ink {
  from { clip-path: circle(0 at var(--ink-x, 50%) var(--ink-y, 50%)); }
  to   { clip-path: circle(var(--ink-r, 150vmax) at var(--ink-x, 50%) var(--ink-y, 50%)); }
}
/* Fallback sin View Transitions: capa del color anterior que se retira */
.ink-veil {
  position: fixed; inset: 0; z-index: 99; pointer-events: none;
  background: var(--veil, var(--bg));
}

/* ---------- Formulario ---------- */
.field label { transition: color .2s var(--ease), transform .2s var(--ease); transform-origin: left center; }
.field:focus-within label { color: var(--text); transform: translateX(2px); }
.field input, .field textarea, .field select {
  transform-origin: left center;
  transition: border-color .18s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
.field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible {
  transform: scale(1.012);
  border-color: var(--text);
  outline-offset: 2px;
}
.field[data-invalid="true"] { will-change: transform; }

/* Boton enviar: spinner mientras carga */
.btn[data-loading="true"] { opacity: .85; }
.btn[data-loading="true"] > i { opacity: 0; transform: scale(.6); }
.btn > i { transition: opacity .2s var(--ease), transform .2s var(--ease); }
.btn[data-loading="true"]::after {
  content: ""; position: absolute; left: 20px; top: 50%;
  width: 14px; height: 14px; margin-top: -7px;
  border-radius: 50%;
  border: 2px solid currentColor; border-right-color: transparent;
  animation: gy-spin .7s linear infinite;
}
@keyframes gy-spin { to { transform: rotate(360deg); } }

.form__status { will-change: transform, opacity; }

/* ---------- Ripple en botones ---------- */
.btn .ripple {
  position: absolute; left: 0; top: 0;
  width: 12px; height: 12px; margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: currentColor; opacity: .22;
  pointer-events: none; will-change: transform, opacity;
}

/* ---------- Scroll to top ---------- */
.to-top {
  position: fixed; right: 18px; bottom: 18px; z-index: 40;
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--bg-elev); color: var(--text);
  border: 1px solid var(--border-2);
  box-shadow: var(--shadow-2);
  cursor: pointer; font-size: 1.15rem;
  opacity: 0; transform: translateY(14px) scale(.9);
  pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--ease), border-color .2s var(--ease);
}
.to-top[data-show="true"] { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { border-color: var(--text); }
.to-top i { transition: transform .25s var(--ease); }
.to-top:hover i { transform: translateY(-2px); }
@media (max-width: 600px) { .to-top { right: 14px; bottom: 14px; width: 40px; height: 40px; } }

/* ---------- Reduced motion: todo apagado ---------- */
@media (prefers-reduced-motion: reduce) {
  .card::after, .btn .ripple, .ink-veil { display: none !important; }
  ::view-transition-new(root) { animation: none; }
  .field input:focus-visible, .field textarea:focus-visible, .field select:focus-visible { transform: none; }
  .to-top { transition: none; transform: none; }
  .btn[data-loading="true"]::after { animation: none; border-right-color: currentColor; opacity: .5; }
}