html,
body {
  margin: 0;
  height: 100%;
  background: #000;
  overflow: hidden;
}

#stage {
  position: relative;
  width: 100%;
  height: 100%;
  background: #000;
}

#stage.clickable {
  cursor: pointer;
}

#stage.clickable:focus-visible {
  outline: 3px solid #fff;
  outline-offset: -3px;
}

.player {
  --media-border-radius: 0;
  --media-object-fit: var(--video-fit, contain);
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  background: #000;
  visibility: hidden;
  opacity: 0;
  z-index: 0;
}

video-player,
video-player video-skin {
  display: block;
  width: 100%;
  height: 100%;
}

.player video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: var(--media-object-fit);
  background: #000;
}

.player.active {
  visibility: visible;
  opacity: 1;
  z-index: 1;
}

.player-error {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 16px;
  padding: 24px;
  background: rgba(0, 0, 0, 0.72);
  color: #f4f4f5;
  font-family: Arial, "Noto Sans KR", sans-serif;
  font-size: clamp(16px, 2vw, 26px);
  text-align: center;
}

.player-error[hidden] {
  display: none;
}

.player-error p {
  margin: 0;
}

.player-error button {
  min-height: 44px;
  padding: 8px 20px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font: inherit;
  cursor: pointer;
}

.player-waiting {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: grid;
  place-items: center;
  padding: 24px;
  background: #000;
  color: #f4f4f5;
  font-family: Arial, "Noto Sans KR", sans-serif;
  font-size: clamp(18px, 2.4vw, 32px);
  letter-spacing: 0.02em;
  text-align: center;
}

.player-waiting[hidden] {
  display: none;
}

.channel-watermark {
  position: absolute;
  z-index: 2;
  display: block;
  width: var(--watermark-width, 12vw);
  max-width: 50vw;
  max-height: 50vh;
  object-fit: contain;
  opacity: 0;
  pointer-events: none;
  user-select: none;
  transition: opacity 160ms ease;
}

.channel-watermark.visible {
  opacity: var(--watermark-opacity, 0.8);
}

.channel-watermark[data-position="TOP_LEFT"] {
  top: var(--watermark-margin, 24px);
  left: var(--watermark-margin, 24px);
}

.channel-watermark[data-position="TOP_RIGHT"] {
  top: var(--watermark-margin, 24px);
  right: var(--watermark-margin, 24px);
}

.channel-watermark[data-position="BOTTOM_LEFT"] {
  bottom: var(--watermark-margin, 24px);
  left: var(--watermark-margin, 24px);
}

.channel-watermark[data-position="BOTTOM_RIGHT"] {
  right: var(--watermark-margin, 24px);
  bottom: var(--watermark-margin, 24px);
}

.channel-text-watermark {
  position: absolute;
  z-index: 3;
  display: block;
  box-sizing: border-box;
  max-width: min(80vw, 1200px);
  padding: 0.22em 0.45em;
  border-radius: 0.18em;
  color: var(--text-watermark-color, rgba(255, 255, 255, 0.9));
  background: var(--text-watermark-background, rgba(0, 0, 0, 0.35));
  font-family: Arial, "Noto Sans KR", sans-serif;
  font-size: var(--text-watermark-font-size, 32px);
  font-weight: var(--text-watermark-font-weight, 700);
  line-height: 1.3;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  text-align: left;
  text-shadow: var(--text-watermark-shadow, 0 2px 6px rgba(0, 0, 0, 0.75));
  opacity: 0;
  pointer-events: none;
  user-select: none;
  transition: opacity 160ms ease;
}

.channel-text-watermark.visible {
  opacity: 1;
}

.channel-text-watermark[data-position="TOP_LEFT"] {
  top: var(--text-watermark-margin, 24px);
  left: var(--text-watermark-margin, 24px);
}

.channel-text-watermark[data-position="TOP_RIGHT"] {
  top: var(--text-watermark-margin, 24px);
  right: var(--text-watermark-margin, 24px);
}

.channel-text-watermark[data-position="BOTTOM_LEFT"] {
  bottom: var(--text-watermark-margin, 24px);
  left: var(--text-watermark-margin, 24px);
}

.channel-text-watermark[data-position="BOTTOM_RIGHT"] {
  right: var(--text-watermark-margin, 24px);
  bottom: var(--text-watermark-margin, 24px);
}