.definition,
.note,
.warning,
.assignment,
.example {
  border-left: 5px solid var(--science-blue);
  background: color-mix(in srgb, var(--science-blue) 10%, white);
  padding: 0.8rem 1rem;
  margin: var(--vgap-sm) 0;
}

.definition { border-left-color: var(--science-blue); }
.note { border-left-color: var(--science-yellow); background: color-mix(in srgb, var(--science-yellow) 10%, white); }
.warning { border-left-color: var(--epfl-red); background: color-mix(in srgb, var(--epfl-red) 8%, white); }
.assignment { border-left-color: var(--science-green); background: color-mix(in srgb, var(--science-green) 12%, white); }
.example { border-left-color: var(--science-purple); background: color-mix(in srgb, var(--science-purple) 10%, white); }

.slide-video {
  display: block;
  max-width: 90%;
  max-height: 80vh;
  object-fit: contain;
  margin: 0 auto;
}

.video-container {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.video-zoom-2x {
  transform: scale(2);
  transform-origin: center;
}

.control-button {
  padding: 0.55rem 0.9rem;
  background: var(--white);
  color: var(--black);
  border: 1px solid #cccccc;
  border-radius: 0.35rem;
  cursor: pointer;
}

.control-button:hover {
  color: var(--epfl-red);
  border-color: var(--epfl-red);
}

.control-buttons {
  display: flex;
  gap: var(--gap-sm);
  align-items: center;
  flex-wrap: wrap;
}

.slider-row {
  display: grid;
  grid-template-columns: 3rem 1fr 6.5rem;
  gap: var(--gap-sm);
  align-items: center;
}

.slider-row input[type="range"] {
  width: 100%;
  cursor: pointer;
}

.slider-row label { font-weight: 700; }

.angle-input {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.2rem;
  align-items: center;
}

.angle-input input {
  min-width: 0;
  width: 100%;
  padding: 0.35rem 0.25rem;
  border: 1px solid #cccccc;
  border-radius: 0.25rem;
  font: inherit;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.angle-input input:focus {
  border-color: var(--epfl-red);
  outline: 2px solid color-mix(in srgb, var(--epfl-red) 25%, transparent);
  outline-offset: 1px;
}