/* Shared surfaces and controls across project pages, figures and navigation. */
:root, [data-md-color-scheme] {
  --mach-radius: 0.45rem;
  --mach-border: var(--md-default-fg-color--lightest);
  --mach-surface: color-mix(in srgb, var(--md-default-fg-color) 3%, var(--md-default-bg-color));
}
.mach-control,
.md-typeset a.find-out-more,
.md-typeset a.md-button {
  align-items: center;
  background: var(--md-default-bg-color);
  background-image: none !important;
  border: 1px solid var(--mach-border);
  border-radius: var(--mach-radius);
  color: var(--md-default-fg-color) !important;
  display: inline-flex;
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 600;
  justify-content: center;
  line-height: 1.4;
  min-height: 44px;
  padding: 0.5rem 0.8rem;
  text-decoration: none !important;
  transition: background-color 150ms, border-color 150ms;
  cursor: pointer;
}
.mach-control:hover,
.md-typeset a.find-out-more:hover,
.md-typeset a.md-button:hover {
  background: var(--mach-surface);
  border-color: var(--md-default-fg-color--light);
}
.mach-control:focus-visible, .hero-motion-toggle:focus-visible,
.timeline-controls :is(a, select):focus-visible {
  outline: 2px solid var(--md-accent-fg-color);
  outline-offset: 3px;
}
.mach-control:disabled { opacity: 0.45; cursor: default; }
.md-typeset :is(.test-item, .subsystem-item, .gare-timeline__card) {
  border-color: var(--mach-border);
  border-radius: var(--mach-radius);
  box-shadow: none;
  background: var(--mach-surface);
}
.md-typeset :is(.test-item, .subsystem-item):hover { transform: none; box-shadow: none; }
.md-typeset :is(.test-gallery, .subsystem-gallery) { gap: 1rem; }
.md-typeset :is(.test-item, .subsystem-item) { display: flex; flex-direction: column; align-items: flex-start; }
.md-typeset :is(.test-item, .subsystem-item) .find-out-more { margin-top: auto; }

/* All portraits have the same crop; initials occupy the same area as a photo. */
.md-typeset .team-leads { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.md-typeset .team-leads img,
.md-typeset .team-leads .team-initials {
  aspect-ratio: 1;
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: cover;
  border-radius: 0.25rem;
}
.md-typeset .team-leads .team-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--mach-surface);
  border: 1px solid var(--mach-border);
  font-size: 3rem;
  font-weight: 600;
  letter-spacing: -0.05em;
}
.former-member-initials {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 2.5rem;
  background: var(--mach-surface);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 600;
}
.hero-motion-toggle {
  position: absolute;
  bottom: 1rem;
  right: max(1rem, calc((100vw - 1200px) / 2));
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  background: transparent;
  color: #fff;
  border: 0;
  border-radius: 50%;
  padding: 0;
  cursor: pointer;
}
.hero-motion-toggle::before {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: rgb(0 0 0 / 60%);
}
.hero-motion-toggle:hover::before, .hero-motion-toggle:focus-visible::before { background: rgb(0 0 0 / 80%); }
.hero-motion-toggle svg { position: relative; width: 18px; height: 18px; fill: currentColor; }
.hero-motion-toggle .hero-motion-icon--pause,
.hero-motion-toggle[data-playing="true"] .hero-motion-icon--play { display: none; }
.hero-motion-toggle[data-playing="true"] .hero-motion-icon--pause { display: block; }
.slideshow-controls { display: flex; justify-content: center; gap: 0.5rem; margin-top: 0.75rem; }
.slideshow-controls[hidden], .hero-motion-toggle[hidden] { display: none; }

.md-content img.mach-plot { max-height: none; }
.plot-actions { display: flex; justify-content: flex-end; width: 100%; margin: 0.6rem 0; }
body.plot-viewer-open { overflow: hidden; }
dialog.plot-viewer {
  color: var(--md-default-fg-color);
  background: var(--md-default-bg-color);
  border: 1px solid var(--mach-border);
  border-radius: var(--mach-radius);
  margin: auto;
  padding: 1rem;
  width: min(96vw, 1700px);
  height: 92dvh;
  max-width: 96vw;
  max-height: 96dvh;
}
dialog.plot-viewer[open] { display: flex; flex-direction: column; gap: 0.65rem; }
.plot-viewer::backdrop { background: rgb(0 0 0 / 70%); }
.plot-viewer__header { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.plot-viewer__header h2 { margin: 0; font-size: 1rem; font-weight: 650; }
.plot-viewer__toolbar { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.plot-viewer__toolbar output { min-width: 2rem; font-size: 0.75rem; text-align: center; }
.plot-viewer__stage {
  background: white;
  flex: 1;
  min-height: 0;
  overflow: auto;
  overscroll-behavior: contain;
  border: 1px solid var(--mach-border);
  border-radius: 0.2rem;
  padding: 12px;
}
.plot-viewer__stage img { max-width: none; max-height: none; height: auto; margin: 0 auto; }
.plot-viewer__hint { font-size: 0.65rem; color: var(--md-default-fg-color--light); margin: 0; }

.timeline-controls { margin: 1.5rem 0 0; }
.gare-tag { color: var(--md-default-fg-color); }
.timeline-filters { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 0.65rem; }
.timeline-filters label { display: flex; flex: 1 1 9rem; flex-direction: column; gap: 0.3rem; font-size: 0.68rem; font-weight: 600; }
.timeline-filters select {
  appearance: auto;
  background: var(--md-default-bg-color);
  color: var(--md-default-fg-color);
  border: 1px solid var(--mach-border);
  border-radius: var(--mach-radius);
  font: inherit;
  min-height: 44px;
  width: 100%;
  padding: 0.45rem 0.65rem;
}
.timeline-years { display: flex; flex-wrap: wrap; gap: 0.15rem 0.6rem; margin: 0.7rem 0 0; }
.timeline-years a { display: inline-flex; min-height: 44px; align-items: center; font-size: 0.7rem; padding: 0 0.25rem; }
.timeline-filter-status { font-size: 0.68rem; color: var(--md-default-fg-color--light); }
.gare-timeline__year { scroll-margin-top: 7rem; }
.gare-timeline > [hidden], .timeline-years > [hidden] { display: none !important; }
@media (max-width: 600px) {
  section.video-showcase h2, section.about h2 { font-size: 1.4rem; line-height: 1.3; }
  section.about, section.video-showcase, section.photo-showcase { margin-bottom: 2rem; }
  .md-typeset .team-leads { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md-typeset .team-leads li { padding: 0.6rem; }
  .md-typeset .team-leads .team-initials { font-size: 2rem; }
  .timeline-filters label { flex-basis: calc(50% - 0.65rem); }
  dialog.plot-viewer { width: 100vw; max-width: 100vw; height: 100dvh; max-height: 100dvh; border-radius: 0; padding: 0.6rem; }
  .plot-viewer .mach-control { padding: 0.4rem 0.6rem; }
}
@media (prefers-reduced-motion: reduce) {
  .mach-control { transition: none; }
}