:root {
  color-scheme: dark;
  --app-height: 100dvh;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

* {
  box-sizing: border-box;
}

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

body {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.viewport {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  height: var(--app-height);
  overflow: hidden;
  background: #000;
  isolation: isolate;
}

.poster-fallback,
.invitation-video,
.frame-player {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background: #000;
  border: 0;
  display: block;
}

.poster-fallback {
  z-index: 1;
  opacity: 1;
  transition: opacity 120ms ease;
}

.invitation-video,
.frame-player {
  z-index: 2;
  opacity: 0;
  transition: opacity 120ms ease;
}

.frame-player {
  display: none;
  background: #000 url("./videos/aliyu-poster.jpg") center / cover no-repeat;
}

.is-video-mode.is-player-ready .invitation-video,
.is-frame-mode.is-player-ready .frame-player {
  opacity: 1;
}

.is-player-ready .poster-fallback {
  opacity: 0;
}

.is-frame-mode .invitation-video {
  display: none;
}

.is-frame-mode .frame-player {
  display: block;
}

.is-frame-mode .video-start {
  display: none;
}

.skip-button {
  position: fixed;
  z-index: 10;
  top: calc(var(--safe-top) + 14px);
  right: calc(var(--safe-right) + 14px);
  min-width: 56px;
  height: 32px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.28);
  color: rgba(255, 255, 255, 0.92);
  font: 500 13px/1 -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  letter-spacing: 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.skip-button:active {
  background: rgba(255, 255, 255, 0.18);
}

.is-ended .skip-button,
.is-skipped .skip-button {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.register-hotspot {
  position: fixed;
  z-index: 9;
  left: 50%;
  top: 71.9%;
  width: min(100vw, max(109.2vw, 61.5vh));
  height: max(27.6vw, 15.6vh);
  transform: translate(-50%, -50%);
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
}

.is-ended .register-hotspot,
.is-skipped .register-hotspot {
  pointer-events: auto;
}

.video-start {
  position: absolute;
  z-index: 11;
  left: 50%;
  top: 50%;
  width: 72px;
  height: 72px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.36);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -50%) scale(0.96);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.video-start::before {
  content: "";
  position: absolute;
  left: 29px;
  top: 22px;
  width: 0;
  height: 0;
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  border-left: 20px solid #fff;
}

.is-play-blocked .video-start {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
}