/* Global API loader. A single themed centered-overlay spinner that fades in
   when an API call has been pending for more than DELAY_MS (see loader.js).
   Self-mounted by api.js — no per-page wiring. */

.wv-loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  display: none;
  pointer-events: none;
}

.wv-loader.is-visible,
.wv-loader.is-leaving {
  display: block;
  pointer-events: auto;
}

.wv-loader.is-visible {
  animation: wv-loader-fade-in 180ms var(--ease-out) both;
}

.wv-loader.is-leaving {
  animation: wv-loader-fade-out 120ms var(--ease-out) both;
}

.wv-loader__backdrop {
  position: absolute;
  inset: 0;
  background: var(--surface-overlay);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.wv-loader__card {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  gap: var(--space-3);
  width: 168px;
  height: 168px;
  padding: var(--space-4);
  background: var(--ivory-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: translate(-50%, -50%);
}

.wv-loader__rings {
  position: relative;
  width: 72px;
  height: 72px;
}

.wv-loader__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
}

.wv-loader__ring--outer {
  border-top-color: var(--gold-500);
  border-right-color: var(--gold-200);
  box-shadow: var(--shadow-gold-glow);
  animation: wv-loader-spin-cw 1.4s linear infinite;
}

.wv-loader__ring--inner {
  inset: 12px;
  border-top-color: var(--teal-700);
  border-left-color: var(--teal-300);
  animation: wv-loader-spin-ccw 1.1s linear infinite;
}

.wv-loader__label {
  font-size: var(--fs-body-sm);
  letter-spacing: 0.02em;
  color: var(--teal-700);
}

@keyframes wv-loader-spin-cw  { to { transform: rotate(360deg); } }
@keyframes wv-loader-spin-ccw { to { transform: rotate(-360deg); } }
@keyframes wv-loader-fade-in  { from { opacity: 0; } to { opacity: 1; } }
@keyframes wv-loader-fade-out { from { opacity: 1; } to { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .wv-loader__ring--outer,
  .wv-loader__ring--inner {
    animation: none;
  }
  .wv-loader.is-visible,
  .wv-loader.is-leaving {
    animation-duration: 1ms;
  }
}