html, body {
  margin: 0;
  min-height: 100%;
  background: #071827;
  color: #fff;
  font-family: Arial, Helvetica, sans-serif;
}

.app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  gap: 1rem;
  padding: 1rem;
  box-sizing: border-box;
}

.slide-shell {
  width: min(100vw - 2rem, 1600px);
}

.slide {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
  box-shadow: 0 20px 50px rgba(0,0,0,.45);
  border-radius: 10px;
}

.slide.fill {
  width: 100vw;
  height: 100vh;
  border-radius: 0;
  box-shadow: none;
}

.slide > img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

.hotspot {
  position: absolute;
  display: block;
  border-radius: 14px;
  outline: 0 solid transparent;
  transition: background .15s ease, outline .15s ease, box-shadow .15s ease;
}

.hotspot.circle {
  border-radius: 999px;
}

.show-hotspots .hotspot,
.hotspot:focus-visible,
.hotspot:hover {
  background: rgba(255, 255, 0, .17);
  outline: 3px solid rgba(255, 255, 0, .85);
  box-shadow: 0 0 0 5px rgba(0, 0, 0, .22);
}

.hotspot[data-disabled="true"] {
  cursor: not-allowed;
}

.toolbar {
  display: flex;
  justify-content: center;
  gap: .75rem;
  margin-top: .75rem;
}

button {
  border: 1px solid rgba(255,255,255,.28);
  background: rgba(255,255,255,.12);
  color: #fff;
  padding: .65rem .9rem;
  border-radius: 999px;
  font: inherit;
  cursor: pointer;
}

button:hover { background: rgba(255,255,255,.2); }

.links-panel {
  width: min(100vw - 2rem, 1100px);
  color: rgba(255,255,255,.92);
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px;
  padding: .8rem 1rem;
}

.links-panel a { color: #7ddcff; }
.links-panel code { color: #d8e8f7; word-break: break-all; }
.note { color: rgba(255,255,255,.72); }