/* 全局 API / 长任务进度（顶栏 + 底部说明） */

.aiedu-progress {
  position: fixed;
  inset: 0;
  z-index: 10000;
  pointer-events: none;
}

.aiedu-progress[hidden] {
  display: none !important;
}

.aiedu-progress__track {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(128, 128, 128, 0.2);
  overflow: hidden;
}

.aiedu-progress__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent, #3d6cb9), var(--success, #4caf6a));
  transition: width 0.35s ease-out;
  box-shadow: 0 0 8px rgba(61, 108, 185, 0.45);
}

.aiedu-progress.is-indeterminate .aiedu-progress__fill {
  width: 35% !important;
  transition: none;
  animation: aiedu-progress-indeterminate 1.2s ease-in-out infinite;
}

@keyframes aiedu-progress-indeterminate {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(320%);
  }
}

.aiedu-progress__panel {
  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  max-width: min(92vw, 28rem);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  background: var(--panel, #1a1a2e);
  color: var(--text, #eee);
  border: 1px solid var(--border, rgba(255, 255, 255, 0.12));
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 0.88rem;
  line-height: 1.35;
}

.aiedu-progress__label {
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.aiedu-progress__pct {
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--accent, #bdbdbd);
  min-width: 2.5rem;
  text-align: right;
}

.aiedu-progress.is-indeterminate .aiedu-progress__pct::after {
  content: "…";
}

.aiedu-progress.is-indeterminate .aiedu-progress__pct {
  font-size: 0;
  min-width: auto;
}

.aiedu-progress.is-done .aiedu-progress__fill {
  width: 100% !important;
  transition: width 0.25s ease-out;
}