/* ============================================================================
   SIMITRA — Page Loader / Transisi Halaman
   Overlay navy-kuningan yang tampil saat navigasi antar halaman & submit form.
   Dimuat setelah simitra-skin.css agar mewarisi variabel palet yang sama.
   ============================================================================ */

.sim-page-loader {
  position: fixed;
  inset: 0;
  z-index: 10800;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(760px 420px at 78% 12%, rgba(176, 135, 59, .16), transparent 62%),
    linear-gradient(140deg, #0f1830 0%, #1f2a4c 58%, #33406b 100%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .22s ease, visibility .22s ease;
}

.sim-page-loader.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

/* Tekstur garis halus supaya latar tidak terasa datar. */
.sim-page-loader::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, .025) 0 2px, transparent 2px 9px);
  pointer-events: none;
}

.sim-loader-panel {
  position: relative;
  width: min(92vw, 360px);
  padding: 1.6rem 1.5rem 1.4rem;
  text-align: center;
  color: #e8ebf3;
  border-radius: 1rem;
  background: rgba(15, 24, 48, .55);
  border: 1px solid rgba(231, 212, 168, .22);
  box-shadow: 0 24px 60px rgba(5, 10, 24, .45);
  backdrop-filter: blur(6px);
  transform: translateY(8px);
  transition: transform .28s ease;
}

.sim-page-loader.is-active .sim-loader-panel {
  transform: translateY(0);
}

/* --- Segel kuningan berputar: dua cincin + inti --- */
.sim-loader-seal {
  position: relative;
  width: 62px;
  height: 62px;
  margin: 0 auto .85rem;
}

.sim-loader-seal::before,
.sim-loader-seal::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
}

.sim-loader-seal::before {
  border-top-color: #b0873b;
  border-right-color: rgba(176, 135, 59, .45);
  animation: sim-seal-spin 1.05s linear infinite;
}

.sim-loader-seal::after {
  inset: 9px;
  border-bottom-color: #e7d4a8;
  border-left-color: rgba(231, 212, 168, .32);
  animation: sim-seal-spin 1.5s linear infinite reverse;
}

.sim-loader-seal span {
  position: absolute;
  inset: 21px;
  border-radius: 50%;
  background: rgba(231, 212, 168, .16);
  border: 1px solid rgba(231, 212, 168, .5);
  animation: sim-seal-pulse 1.5s ease-in-out infinite;
}

@keyframes sim-seal-spin {
  to { transform: rotate(360deg); }
}

@keyframes sim-seal-pulse {
  0%, 100% { transform: scale(.82); opacity: .55; }
  50%      { transform: scale(1);   opacity: 1; }
}

/* --- Teks --- */
.sim-loader-brand {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: #e7d4a8;
  margin-bottom: .35rem;
}

.sim-loader-title {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: .92rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.3;
}

.sim-loader-subtitle {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: .74rem;
  color: #aab3c8;
  margin-top: .2rem;
  min-height: 1.1rem;
  transition: opacity .2s ease;
}

/* --- Bar progres indeterminate --- */
.sim-loader-track {
  position: relative;
  height: 3px;
  margin: 1rem auto .85rem;
  width: 78%;
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  overflow: hidden;
}

.sim-loader-track span {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 38%;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(176, 135, 59, 0), #b0873b 45%, #e7d4a8 75%, rgba(231, 212, 168, 0));
  animation: sim-track-slide 1.15s ease-in-out infinite;
}

@keyframes sim-track-slide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(330%); }
}

.sim-loader-note {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: .66rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #8f99b0;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}

.sim-loader-note i {
  color: #b0873b;
  font-size: .85rem;
}

/* --- Bar tipis di puncak viewport, untuk navigasi cepat --- */
.sim-topbar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 10900;
  background: linear-gradient(90deg, #1f2a4c, #b0873b 60%, #e7d4a8);
  box-shadow: 0 0 10px rgba(176, 135, 59, .6);
  opacity: 0;
  transition: width .22s ease, opacity .25s ease;
}

.sim-topbar.is-active { opacity: 1; }

/* --- Aksesibilitas --- */
@media (prefers-reduced-motion: reduce) {
  .sim-loader-seal::before,
  .sim-loader-seal::after,
  .sim-loader-seal span,
  .sim-loader-track span {
    animation: none !important;
  }
  .sim-loader-track span { width: 100%; transform: none; }
}