/* ===== 整体 ===== */
.page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: var(--bg);
}

/* ===== 预览区（深色）===== */
.stage {
  position: relative;
  /* 固定高度：控制面板出现/消失都不再改变画布的显示区域，
     否则缓冲区比例会和显示区对不上，画面会被拉伸 */
  flex: none;
  height: 50vh;
  /* 和整页统一底色，不要再上下两种颜色 */
  background: var(--bg);
}

.stage-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.stage-mask {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48rpx;
  box-sizing: border-box;
  text-align: center;
}

.empty-icon {
  font-size: 76rpx;
  margin-bottom: 22rpx;
}

.empty-title {
  font-size: 34rpx;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 14rpx;
}

.empty-title.error {
  color: #ff6b6b;
}

.empty-sub {
  font-size: 26rpx;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.6;
}

.empty-tip {
  margin-top: 20rpx;
  font-size: 23rpx;
  color: rgba(255, 255, 255, 0.38);
  line-height: 1.6;
  max-width: 560rpx;
}

.stage-badge {
  position: absolute;
  left: 22rpx;
  top: 22rpx;
  padding: 8rpx 18rpx;
  border-radius: var(--r-pill);
  background: #24242c;
  color: rgba(255, 255, 255, 0.82);
  font-size: 22rpx;
}

/* ===== 画布下方：手势提示 + 缩放控制 ===== */
.tool-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24rpx;
}

.tool-hint {
  flex: 1;
  margin-right: 16rpx;
  font-size: 21rpx;
  color: rgba(255, 255, 255, 0.42);
}

.zoom-group {
  flex: none;
  display: flex;
  align-items: center;
  padding: 4rpx;
  border-radius: var(--r-pill);
  background: var(--panel-2);
}

.zoom-btn {
  width: 56rpx;
  height: 56rpx;
  line-height: 56rpx;
  text-align: center;
  font-size: 30rpx;
  color: rgba(255, 255, 255, 0.85);
}

.zoom-val {
  min-width: 92rpx;
  text-align: center;
  font-size: 24rpx;
  font-weight: 600;
  color: #ffffff;
}

.zoom-reset {
  height: 56rpx;
  line-height: 56rpx;
  padding: 0 20rpx;
  margin-left: 6rpx;
  border-radius: var(--r-pill);
  background: #34343e;
  color: rgba(255, 255, 255, 0.85);
  font-size: 22rpx;
}

/* ===== 控制面板（深色，和预览区统一）===== */
.sheet {
  /* 同上：整页一种底色，去掉面板的圆角与投影，避免出现分界线 */
  background: var(--bg);
  /* 面板自己滚动，这样它的内容变化不会挤动上面的画布 */
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 30rpx 28rpx 28rpx;
}

.section {
  margin-bottom: 26rpx;
}

.section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 26rpx;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 600;
  letter-spacing: 1rpx;
  margin-bottom: 14rpx;
}

/* ===== 选择文件按钮 ===== */
.pick-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100rpx;
  padding: 0;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #ffffff;
  font-weight: 500;
  box-shadow: 0 10rpx 24rpx rgba(242, 53, 59, 0.28);
}

.pick-btn::after {
  border: none;
}

.pick-text {
  font-size: 31rpx;
  letter-spacing: 2rpx;
}

.pick-sub {
  margin-top: 16rpx;
  text-align: center;
  font-size: 22rpx;
  color: rgba(255, 255, 255, 0.38);
}

/* 选择文件放在面板最下面 */
.pick-section {
  /* auto 让它在内容不足时贴到面板底部，内容多时自然跟在最后 */
  margin-top: auto;
  padding-top: 26rpx;
  margin-bottom: 0;
}

/* 清空已选 + 重新选择文件：两个等宽按钮并排 */
.pick-row {
  display: flex;
  align-items: center;
}

.pick-row .pick-btn {
  flex: 1;
}

.clear-btn {
  flex: 1;
  height: 100rpx;
  line-height: 100rpx;
  margin-right: 20rpx;
  text-align: center;
  border-radius: var(--r-lg);
  background: var(--panel-2);
  color: rgba(255, 255, 255, 0.72);
  font-size: 30rpx;
}

/* ===== 文件类型标签 ===== */
.chips {
  display: flex;
  flex-wrap: wrap;
  margin-top: 18rpx;
}

.chip {
  display: flex;
  align-items: center;
  margin: 0 12rpx 12rpx 0;
  padding: 8rpx 18rpx;
  border-radius: var(--r-pill);
  background: var(--panel-2);
}

.chip-dot {
  width: 12rpx;
  height: 12rpx;
  border-radius: 50%;
  background: var(--text-dim);
  margin-right: 10rpx;
  flex-shrink: 0;
}

.chip-name {
  font-size: 23rpx;
  color: rgba(255, 255, 255, 0.72);
}

.chip-skel .chip-dot {
  background: var(--accent);
}

.chip-atlas .chip-dot {
  background: #7c5cff;
}

.chip-img .chip-dot {
  background: #22c55e;
}

.chip-json .chip-dot {
  background: #f59e0b;
}

.missing {
  margin-top: 18rpx;
  padding: 14rpx 20rpx;
  border-radius: var(--r-lg);
  background: rgba(245, 158, 11, 0.1);
  font-size: 23rpx;
  color: #f0b45c;
}

/* ===== 播放选择 ===== */
.select {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 86rpx;
  padding: 0 26rpx;
  margin-bottom: 14rpx;
  background: var(--panel-2);
  border-radius: var(--r-lg);
}

.select-label {
  font-size: 29rpx;
  font-weight: 500;
  color: #ffffff;
}

.select-arrow {
  font-size: 26rpx;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 播放（标题和动画列表同一行，开关在下面一行）===== */
.section-head {
  display: flex;
  align-items: center;
  margin-bottom: 14rpx;
}

.section-head .section-title {
  flex: none;
  margin-right: 20rpx;
  margin-bottom: 0;
}

.anim-picker {
  flex: 1;
  min-width: 0;
}

.section-head .select {
  margin-bottom: 0;
}

/* 动画名太长时省略，不要挤掉右边的按钮 */
.select-label {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* ===== 分段控件 ===== */
.segment {
  display: flex;
  padding: 6rpx;
  background: var(--panel-2);
  border-radius: var(--r-lg);
}

.seg {
  flex: 1;
  height: 68rpx;
  line-height: 68rpx;
  text-align: center;
  font-size: 25rpx;
  color: rgba(255, 255, 255, 0.55);
  border-radius: var(--r-md);
}

.seg.on {
  background: #3d262e;
  color: var(--accent-2);
  font-weight: 600;
  box-shadow: 0 2rpx 10rpx rgba(0, 0, 0, 0.25);
}

/* ===== 参数行 ===== */
.param {
  display: flex;
  align-items: center;
  margin-bottom: 20rpx;
}

.param-name {
  width: 76rpx;
  flex-shrink: 0;
  font-size: 26rpx;
  color: rgba(255, 255, 255, 0.55);
}

.param-slider {
  flex: 1;
  margin: 0 16rpx;
}

.param-val {
  width: 76rpx;
  flex-shrink: 0;
  text-align: right;
  font-size: 25rpx;
  font-weight: 600;
  color: var(--cyan);
}