/* Navigation page loader — dashboard + website */
.sf-page-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, visibility 0.18s ease;
}

.sf-page-loader--visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.sf-page-loader__topbar {
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #0d9488, #6366f1, #0d9488);
  background-size: 200% 100%;
  animation: sf-loader-shimmer 1.2s linear infinite;
  box-shadow: 0 0 8px rgba(13, 148, 136, 0.55);
  transition: width 0.2s ease-out;
}

.sf-page-loader__card {
  min-width: 220px;
  max-width: 90vw;
  padding: 22px 28px;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.2);
  text-align: center;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

.sf-page-loader__spinner {
  width: 36px;
  height: 36px;
  margin: 0 auto 12px;
  border: 3px solid #e2e8f0;
  border-top-color: #0d9488;
  border-radius: 50%;
  animation: sf-spin 0.75s linear infinite;
}

.sf-page-loader__pct {
  font-size: 28px;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.sf-page-loader__label {
  margin-top: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #64748b;
}

.sf-page-loader__time {
  margin-top: 4px;
  font-size: 12px;
  color: #94a3b8;
}

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

@keyframes sf-loader-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .sf-page-loader__spinner,
  .sf-page-loader__topbar {
    animation: none;
  }
}