.processing-overlay {
  position: absolute;
  z-index: 4;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgb(245 245 247 / 62%);
  backdrop-filter: saturate(145%) blur(12px);
  animation: processing-fade-in 180ms ease-out;
}

.processing-overlay[hidden] {
  display: none;
}

.processing-card {
  width: min(84%, 390px);
  padding: 25px;
  border: 1px solid rgb(255 255 255 / 88%);
  border-radius: 24px;
  background: rgb(255 255 255 / 94%);
  box-shadow: 0 28px 80px rgb(31 41 58 / 24%), 0 8px 24px rgb(31 41 58 / 10%);
  color: var(--ink);
}

.processing-card-topline {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 650;
}

.processing-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgb(0 113 227 / 18%);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: processing-spin 750ms linear infinite;
}

.processing-card h3 {
  margin: 16px 0 7px;
  font-size: clamp(19px, 3.2vw, 25px);
  font-weight: 650;
  letter-spacing: -0.03em;
}

.processing-card p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.processing-track {
  position: relative;
  height: 7px;
  overflow: hidden;
  margin-top: 20px;
  border-radius: 999px;
  background: #e9e9ed;
}

.processing-progress {
  position: relative;
  display: block;
  height: 100%;
  overflow: hidden;
  border-radius: inherit;
  background: linear-gradient(90deg, #0071e3, #4aa3ff);
  transition: width 280ms ease;
}

.processing-progress::after {
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 58%), transparent);
  content: '';
  animation: processing-shimmer 1.2s ease-in-out infinite;
}

.processing-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 9px;
  color: #77777d;
  font-size: 10px;
}

.processing-meta strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.processing-card small {
  display: block;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgb(29 29 31 / 7%);
  color: #77777d;
  font-size: 9px;
  line-height: 1.5;
}

@keyframes processing-fade-in {
  from { opacity: 0; }
}

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

@keyframes processing-shimmer {
  to { transform: translateX(100%); }
}

@media (max-width: 460px) {
  .processing-overlay { padding: 16px; }
  .processing-card { width: min(90%, 340px); padding: 20px; border-radius: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .processing-spinner, .processing-progress::after { animation: none; }
}