* { margin: 0; padding: 0; box-sizing: border-box; border: 0; }

html, body {
  width: 100%;
  height: 100%;
  min-height: 100vh;
  overflow: hidden;
  background: #000;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #fff;
  position: fixed;
  inset: 0;
}

#app {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.fullscreen-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background: #000;
  outline: none;
  border: none;
  display: block;
}

/* Audio prompt — shown only when autoplay-with-audio is blocked */
.audio-prompt {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
  z-index: 10;
}
.audio-prompt.hidden { display: none; }

.audio-prompt-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 28px 44px;
  background: rgba(20, 20, 30, 0.92);
  border-radius: 16px;
  border: 2px solid #00d4ff;
  box-shadow: 0 0 32px rgba(0, 212, 255, 0.45);
  cursor: pointer;
}
.audio-prompt-card:focus {
  outline: none;
  box-shadow: 0 0 48px rgba(0, 212, 255, 0.75);
}

.audio-prompt-icon {
  font-size: 48px;
  color: #00d4ff;
  line-height: 1;
}
.audio-prompt-title {
  font-size: 22px;
  font-weight: 700;
}
.audio-prompt-sub {
  font-size: 13px;
  color: #a0a0b0;
  letter-spacing: 0.5px;
}