.preview-overlay {
  position: fixed;
  inset: 0;
  z-index: 10050;
  background: rgba(15, 23, 42, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.preview-modal {
  width: min(1280px, 96vw);
  max-height: 92vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-modal);
  box-shadow: var(--card-shadow-hover);
}

.preview-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--card-border);
}

.preview-modal-body {
  padding: 16px 18px 18px;
  overflow: auto;
}

.preview-viewer {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 16px;
}

@media (max-width: 960px) {
  .preview-viewer {
    grid-template-columns: 1fr;
  }
}

.preview-meta-panel {
  margin-bottom: 12px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: var(--stage-bg, #f8fafc);
  border: 1px solid var(--card-border);
}

.preview-meta-section + .preview-meta-section {
  margin-top: 10px;
}

.preview-meta-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700, #334155);
  margin-bottom: 4px;
}

.preview-meta-body {
  font-size: 13px;
  line-height: 1.55;
  color: var(--gray-600, #475569);
  white-space: pre-wrap;
  word-break: break-word;
}

.preview-video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
}

.preview-video,
.preview-video-canvas,
.preview-skeleton-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.preview-controls {
  margin-top: 10px;
}

.preview-video-wrap.preview-mode-stream .preview-video {
  opacity: 1;
  z-index: 1;
  object-fit: contain;
  pointer-events: none;
}

.preview-video-wrap.preview-mode-stream .preview-video-canvas {
  display: none;
}

.preview-video-wrap.preview-mode-frame .preview-video {
  opacity: 0;
}

.preview-video-wrap.preview-mode-frame .preview-video-canvas {
  display: block;
  z-index: 1;
}

.preview-skeleton-canvas {
  pointer-events: none;
  z-index: 2;
}

.preview-controls-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.preview-stream-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gray-600, #475569);
  cursor: pointer;
  user-select: none;
}

.preview-stream-toggle input {
  margin: 0;
}

.preview-scrubber {
  width: 100%;
}

.preview-status {
  margin-top: 6px;
  font-size: 13px;
  color: var(--gray-500);
}

.preview-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 75vh;
  overflow: auto;
}

.preview-hand-block h5 {
  margin: 0 0 8px;
  font-size: 14px;
}

.preview-tactile-hand-wrap {
  display: flex;
  justify-content: center;
  overflow: auto;
}

.preview-tactile-hand {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
}

.preview-loading,
.preview-error {
  padding: 24px;
  text-align: center;
  color: var(--gray-500);
}

.preview-error {
  color: var(--danger);
}