:root {
  color-scheme: dark;
  --ink: #eef4f5;
  --accent: #b6ffde;
  --muted: #a4b4ba;
  background: #0a1015;
  color: var(--ink);
  font-family: system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(ellipse at 70% 5%, #173434, transparent 52%); }
main { width: min(100% - 2rem, 66rem); margin: auto; padding-bottom: 2rem; }
.masthead, footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .65rem 1rem;
  padding: 1.25rem 0;
  font: .73rem ui-monospace, monospace;
  letter-spacing: .12em;
  color: var(--muted);
}
.masthead { border-bottom: 1px solid #34504f; }
.wordmark { color: var(--ink); }
.wordmark i { display: inline-block; width: .66rem; height: .66rem; background: var(--accent); transform: rotate(45deg); margin-right: .6rem; }
.eyebrow { margin: 2.25rem 0 .6rem; color: var(--accent); font: .74rem ui-monospace, monospace; letter-spacing: .19em; }
h1 { font-size: clamp(2.5rem, 7vw, 5.75rem); letter-spacing: -.07em; line-height: 1; margin: 0; }
h1 em { color: var(--accent); font-weight: 400; }
.intro, .shortcuts { color: var(--muted); }
.intro { margin: .85rem 0 1.5rem; }
video-player, .vision { display: block; }
.vision { position: relative; overflow: hidden; border: 1px solid #476462; border-radius: 1rem; background: #070b0d; }
.vision video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: contain; }
.vision:fullscreen { display: grid; align-items: center; border: 0; border-radius: 0; }
.vision:fullscreen video { width: 100%; height: 100%; }
.frame-id { position: absolute; top: .75rem; left: .75rem; padding: .4rem .55rem; background: #0b1519; border-radius: .35rem; color: var(--accent); font: .72rem ui-monospace, monospace; pointer-events: none; }
.frame-id b { margin-left: .4rem; color: var(--ink); }
.deck { display: none; }
.vision[data-ready] .deck {
  position: absolute;
  inset: auto clamp(.5rem, 2.5vw, 1.5rem) clamp(.5rem, 2.5vw, 1.5rem);
  display: block;
  padding: 0 .65rem .45rem;
  background: rgb(8 20 24 / 91%);
  backdrop-filter: blur(18px);
  border: 1px solid #73928f;
  border-radius: .8rem;
}
.timeline { display: flex; align-items: center; position: relative; height: 28px; margin: 0 .6rem; cursor: pointer; touch-action: none; }
.volume {
  display: flex;
  align-items: center;
  position: relative;
  width: clamp(2rem, 11vw, 5rem);
  height: 44px;
  margin-inline: .45rem;
  cursor: pointer;
  touch-action: none;
}
.track { display: block; width: 100%; height: 4px; position: relative; border-radius: 4px; background: #4a6267; }
.buffer, .fill { position: absolute; inset: 0 auto 0 0; border-radius: inherit; }
.buffer { width: var(--media-slider-buffer, 0%); background: #879ca1; }
.fill { width: var(--media-slider-fill, 0%); background: var(--accent); }
.thumb { position: absolute; top: 50%; left: var(--media-slider-fill, 0%); width: 12px; height: 12px; transform: translate(-50%, -50%) rotate(45deg); border-radius: 2px; background: var(--accent); }
.transport { display: flex; align-items: center; gap: .35rem; }
.transport > :is(media-play-button, media-mute-button, media-fullscreen-button) {
  display: inline-grid;
  place-items: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0 .55rem;
  border-radius: .5rem;
  cursor: pointer;
}
.play { background: var(--accent); color: #0b211d; }
.sound { margin-left: auto; font-size: .8rem; }
.screen { font-size: 1.35rem; }
.sound:hover, .screen:hover { background: #294047; }
.clock { font: clamp(.68rem, 2.4vw, .88rem) ui-monospace, monospace; white-space: nowrap; }
.vision :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.play:not([data-paused]) .when-paused,
.play[data-paused] .when-playing,
.sound:not([data-muted]) .when-muted,
.sound[data-muted] .when-audible,
.screen:not([data-fullscreen]) .when-fullscreen,
.screen[data-fullscreen] .when-windowed { display: none; }
footer { border-bottom: 1px solid #34504f; }
.shortcuts { font-size: .85rem; }
.player-status { padding: .75rem 1rem; border: 1px solid #73928f; border-radius: .5rem; color: var(--ink); }
@media (max-width: 480px) {
  .vision[data-ready] .deck { position: relative; inset: auto; border-width: 1px 0 0; border-radius: 0; }
  .vision:fullscreen .deck { position: absolute; inset: auto .5rem .5rem; }
}
@media (max-width: 360px) {
  .clock media-time[type="duration"], .clock > span { display: none; }
}
@media (forced-colors: active) {
  .track, .thumb, .play { border: 1px solid ButtonText; }
  .fill { background: Highlight; forced-color-adjust: none; }
  .vision :focus-visible { outline-color: Highlight; }
}