/* ═══════════════════════════════════════════════════
   SHARED LOADING SPINNER — Overlay + Spinner
   Versi    : 1.0
   Tanggal  : 2026-07-12
   Gunakan  : Tampilkan saat render/fetch dokumen
              agar user tahu proses sedang berjalan
   ═══════════════════════════════════════════════════ */

/* ============================================
   OVERLAY — menutupi panel/wizard
   ============================================ */

.render-loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-bg-panel, #ffffff) 80%, transparent);
  backdrop-filter: blur(1px);
  z-index: 50;
  gap: 16px;
  padding: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal, 0.2s ease);
  border-radius: inherit;
}

.render-loading-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* ============================================
   SPINNER — animasi putar
   ============================================ */

.render-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border-input, #cbd5e1);
  border-top-color: var(--color-accent, #659287);
  border-radius: 50%;
  animation: render-loading-spin 0.7s linear infinite;
  flex-shrink: 0;
}

.render-loading-spinner-sm {
  width: 28px;
  height: 28px;
  border-width: 2.5px;
}

.render-loading-spinner-lg {
  width: 52px;
  height: 52px;
  border-width: 4px;
}

@keyframes render-loading-spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   TEXT — pesan loading
   ============================================ */

.render-loading-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary, #0f172a);
  text-align: center;
  line-height: 1.4;
}

.render-loading-subtext {
  font-size: 12px;
  color: var(--color-text-muted, #94a3b8);
  text-align: center;
  line-height: 1.4;
  max-width: 260px;
}

/* ============================================
   INLINE BUTTON SPINNER — untuk tombol
   ============================================ */

.btn-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: render-loading-spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

.btn-spinner-sm {
  width: 12px;
  height: 12px;
  border-width: 1.5px;
}

.btn.is-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn.is-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border: 2.5px solid #fff;
  border-top-color: transparent;
  border-radius: 50%;
  animation: render-loading-spin 0.6s linear infinite;
}

/* ============================================
   DARK MODE
   ============================================ */

[data-theme="dark"] .render-loading-overlay {
  background: color-mix(in srgb, var(--color-bg-panel, #111827) 85%, transparent);
}

[data-theme="dark"] .render-loading-spinner {
  border-color: var(--color-border-input, #374151);
  border-top-color: var(--color-accent, #88BDA4);
}

[data-theme="dark"] .render-loading-text {
  color: var(--color-text-primary, #f1f5f9);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 480px) {
  .render-loading-overlay {
    padding: 24px 16px;
  }

  .render-loading-spinner {
    width: 32px;
    height: 32px;
  }

  .render-loading-text {
    font-size: 13px;
  }

  .render-loading-subtext {
    font-size: 11px;
  }
}