/* Initial drag-and-drop overlay, plus the loading spinner state. */

/* ────────── Dropzone ────────── */

.dropzone {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    180deg,
    rgba(14, 17, 22, 0.92) 0%,
    rgba(22, 27, 34, 0.92) 100%
  );
  z-index: 5;
  transition: opacity var(--t-base);
  cursor: pointer;
}

.dropzone.is-dragging .dropzone-inner {
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  transform: scale(1.02);
}

.dropzone.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.dropzone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6);
  min-width: 360px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: all var(--t-base);
}

.dropzone-icon {
  font-size: 56px !important;
  color: var(--color-accent);
  opacity: 0.9;
}

.dropzone-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.dropzone-subtitle {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ────────── Loading ────────── */

.loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  background: rgba(14, 17, 22, 0.85);
  backdrop-filter: blur(4px);
  z-index: 6;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  font-size: 14px;
  color: var(--color-text);
}

.loading-progress {
  width: 280px;
  height: 6px;
  background: var(--color-surface-3);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 4px;
}

.loading-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(
    90deg,
    var(--color-accent),
    var(--color-accent-hover)
  );
  border-radius: 3px;
  transition: width 0.2s ease-out;
}

.loading-progress.is-indeterminate .loading-progress-bar {
  width: 30%;
  animation: indeterminate 1.4s ease-in-out infinite;
}

@keyframes indeterminate {
  0%   { margin-left: -30%; }
  100% { margin-left: 100%; }
}

.loading-stage {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 2px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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