/* =========================================================
   实时演示区域：舞台 + 控制与事件面板
   ========================================================= */

.demo__body {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 32px 48px;
}

/* 舞台：给浮层留出完全展开（279px）的空间，展开收起时页面不跳动 */
.demo__stage {
  flex: none;
  width: min(100%, 422px);
  min-height: 330px;
  padding: 24px;
  border: 1px solid var(--page-rule);
  border-radius: 24px;
}

.demo__panel {
  display: flex;
  flex: 1 1 300px;
  flex-direction: column;
  gap: 24px;
  max-width: 560px;
  min-width: 0;
}

.demo__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.demo__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 34px;
  margin: 0;
  padding: 0 14px 0 12px;
  border: 1px solid var(--page-control-border);
  border-radius: 999px;
  background: transparent;
  color: var(--page-strong);
  font: inherit;
  font-size: 14px;
  font-weight: 450;
  line-height: 20px;
  letter-spacing: -0.016em;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.demo__btn:hover {
  background: var(--page-hover);
}

.demo__btn svg {
  display: block;
  flex: none;
}

.demo__clock {
  color: var(--page-muted);
  font-size: 13px;
  line-height: 16px;
}

.demo__log-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.demo__log-title {
  margin: 0;
  color: var(--page-muted);
  font-size: 12px;
  font-weight: 500;
  line-height: 16px;
}

.demo__log {
  margin: 0;
  padding: 0;
  list-style: none;
}

.demo__log-item {
  display: grid;
  grid-template-columns: 36px 88px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px solid var(--page-hairline);
  font-size: 12px;
  line-height: 16px;
}

.demo__log-item:first-child {
  animation: demo-log-in 0.25s ease-out;
}

.demo__log-time {
  color: var(--page-muted);
  font-variant-numeric: tabular-nums;
}

.demo__log-name {
  color: var(--page-strong);
  font-family: var(--font-mono);
  font-size: 12px;
}

.demo__log-detail {
  overflow: hidden;
  color: var(--page-text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

@keyframes demo-log-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .demo__log-item:first-child {
    animation: none;
  }
}