.plot-card { height: 100%; }
.plot-card .card-header { flex: 0 0 auto; }

/* Card header with fullscreen button */
.plot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.plot-header .btn { flex: 0 0 auto; }

.plot-card-sm { --plot-h: clamp(320px, 38vh, 380px); }
.plot-card-md { --plot-h: clamp(380px, 46vh, 460px); }
.plot-card-lg { --plot-h: clamp(520px, 62vh, 680px); }
.plot-card-xl { --plot-h: clamp(560px, 68vh, 740px); }

/* Card body that contains a single plot*/
.plot-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  height: var(--plot-h, 420px);
  overflow: hidden;
}

/* Plot container fills available space inside plot-body */
.plot {
  width: 100% !important;
  height: 100% !important;
  min-height: 0 !important;
}

/* Heatmap grid container */
.heat-grid {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(320px, 1fr));
  gap: 12px;
  align-items: stretch;
}

@media (max-width: 992px) {
  .heat-grid { grid-template-columns: 1fr; }
}

.heat-grid .plot {
  width: 100% !important;
  height: 100% !important;
}

#heatmapCard .plot-body {
  align-items: stretch;
  justify-content: stretch;
  overflow: auto;
}

/* Searchable institution list */
.inst-list {
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 0.375rem;
  max-height: 320px;
  overflow: auto;
  padding: 0.25rem;
  background: #fff;
}

.inst-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.35rem;
  border-radius: 0.25rem;
  cursor: pointer;
  user-select: none;
}
.inst-item:hover { background: rgba(0,0,0,0.04); }
.inst-item.selected { background: rgba(13,110,253,0.10); }
.inst-item input[type="checkbox"] { pointer-events: none; }

/* Fullscreen behavior */
.card:fullscreen,
.card:-webkit-full-screen {
  width: 100vw;
  height: 100vh;
  background: #fff;
  border-radius: 0;
  overflow: hidden;
}

.card:fullscreen .plot-body,
.card:-webkit-full-screen .plot-body {
  height: calc(100vh - 56px); /* header height approx */
  padding: 0.5rem;
  overflow: hidden;
}

#heatmapCard:fullscreen .plot-body,
#heatmapCard:-webkit-full-screen .plot-body {
  overflow: auto; /* allow scroll in fullscreen for many heatmaps */
}

:fullscreen { background: #fff; }

/* Cross-browser slider ticks */
.slider-ticks {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 4px;
  padding: 0 2px;
  color: rgba(0,0,0,0.55);
  font-size: 12px;
  line-height: 1.1;
  user-select: none;
}
.slider-ticks span {
  display: inline-block;
  white-space: nowrap;
}

/* optional: tiny tick mark above labels */
.slider-ticks span::before {
  content: "";
  display: block;
  width: 1px;
  height: 6px;
  margin: 0 auto 2px auto;
  background: rgba(0,0,0,0.25);
}

/* ---- Persistent footer ---- */

:root {
  --footer-h: 56px; /* adjust if you want taller */
}

body.has-footer {
  padding-bottom: var(--footer-h);
}

.app-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--footer-h);
  background: #fff;
  border-top: 1px solid rgba(0,0,0,0.12);
  z-index: 1040; /* above cards; below modals */
  display: flex;
  align-items: center;
}

.app-footer .footer-row {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  color: rgba(0,0,0,0.7);
  flex-wrap: wrap;
}

.app-footer a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* On narrow screens, stack footer items */
@media (max-width: 768px) {
  :root { --footer-h: 86px; }
  .app-footer .footer-row {
    justify-content: flex-start;
  }
  .app-footer .footer-left,
  .app-footer .footer-mid,
  .app-footer .footer-right {
    width: 100%;
  }
}

.sidebar-section-title{
  font-size: 0.85rem;
  font-weight: 600;
  color: #6c757d;
  text-transform: uppercase;
  letter-spacing: .04em;
  margin: 0 0 .5rem 0;
}