/* Eigen fototijdlijn: de baseline blijft vast, het onderzoeksbeeld staat centraal. */
#data { display: block; align-items: start; min-height: 0; padding: 48px 0 64px; background: #fff; }
#data > .observations-page { width: min(1160px, calc(100% - 64px)); }
#obsRoot { color: #17312f; }
#obsRoot [hidden] { display: none !important; }
#obsRoot .obs-heading { margin: 0 0 28px; }
#obsRoot .obs-heading :is(h1, h2) { max-width: 980px; margin: 0 0 12px; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.1; letter-spacing: -.04em; }
#obsRoot .obs-heading > p { margin: 0 0 7px; color: #5f716f; font-size: 1.1rem; }
#obsRoot .obs-heading .obs-method { font-size: .9rem; }
#obsRoot .obs-filters { display: flex; flex-wrap: wrap; gap: 14px 22px; margin-bottom: 20px; }
#obsRoot label { font-size: .9rem; }
#obsRoot .obs-filters label { display: flex; flex-direction: column; gap: 6px; }
#obsRoot select { min-width: 135px; max-width: 100%; padding: 10px 12px; border: 1px solid #dce6e3; border-radius: 7px; background: #fff; color: #17312f; font: inherit; font-size: .9rem; }
#obsRoot button { padding: 10px 15px; border: 1px solid #dce6e3; border-radius: 7px; background: #fff; color: #17312f; font: inherit; font-size: .9rem; font-weight: 600; cursor: pointer; }
#obsRoot button:hover:not(:disabled) { background: #eff7f6; }
#obsRoot button:disabled, #obsRoot select:disabled, #obsRoot input:disabled { opacity: .5; cursor: default; }
#obsRoot button[aria-pressed="true"], #obsRoot .obs-primary { border-color: #0d5c63; color: #fff; background: #0d5c63; }
#obsRoot .obs-primary:hover:not(:disabled), #obsRoot button[aria-pressed="true"]:hover { background: #124b50; }
#obsRoot a { color: #0d5c63; text-decoration: underline; text-underline-offset: .2em; overflow-wrap: anywhere; }
#obsRoot a:focus-visible, #obsRoot button:focus-visible, #obsRoot select:focus-visible, #obsRoot input:focus-visible, #obsRoot summary:focus-visible { outline: 3px solid #0d5c63; outline-offset: 4px; }
#obsRoot .obs-modes { display: flex; gap: 10px; flex-wrap: wrap; }
#obsRoot .obs-modes button { flex: 1; min-width: 220px; padding: 12px 18px; }
#obsRoot .obs-state-row { display: flex; flex-wrap: wrap; gap: 10px 18px; align-items: center; justify-content: space-between; margin: 22px 0 14px; }
#obsRoot .obs-state-row p { margin: 0; color: #5f716f; font-size: .9rem; }
#obsRoot .obs-demo-notice { margin: 0 0 14px; padding: 10px 14px; color: #345a56; background: #eef7f4; border-radius: 7px; font-size: .9rem; }
#obsRoot .obs-figure { margin: 0; }
#obsRoot .obs-viewport { position: relative; width: 100%; aspect-ratio: 3 / 2; overflow: hidden; border-radius: 12px; background: #f0f5f3; isolation: isolate; }
#obsRoot .obs-viewport.obs-is-empty { aspect-ratio: auto; }
#obsRoot .obs-image { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; object-fit: contain; display: block; pointer-events: none; user-select: none; }
#obsRoot .obs-capture-layer { position: absolute; inset: 0; overflow: hidden; opacity: .85; }
#obsRoot .obs-current { transition: opacity .65s ease; }
#obsRoot .obs-atlas .obs-image { inset: auto; width: 200%; height: 200%; top: 0; left: 0; object-fit: fill; }
#obsRoot .obs-photo-label { position: absolute; z-index: 3; max-width: calc(100% - 24px); padding: 6px 10px; border-radius: 5px; background: rgba(255,255,255,.94); color: #17312f; font-size: .8rem; }
#obsRoot .obs-base-label { top: 12px; left: 12px; }
#obsRoot .obs-capture-label { bottom: 12px; right: 12px; }
#obsRoot .obs-empty { min-height: 300px; height: 100%; padding: 36px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
#obsRoot .obs-empty-mark { font-size: 2.2rem; font-weight: 300; color: #698b83; margin-bottom: 12px; }
#obsRoot .obs-empty h3 { margin: 0 0 10px; font-size: clamp(1.2rem, 2.5vw, 1.65rem); font-weight: 650; }
#obsRoot .obs-empty p { max-width: 590px; margin: 0; color: #5f716f; }
#obsRoot .obs-figure figcaption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 7px 20px; margin-top: 8px; color: #5f716f; font-size: .82rem; }
#obsRoot .obs-playbar { display: flex; gap: 12px 18px; align-items: center; flex-wrap: wrap; margin: 22px 0; }
#obsRoot .obs-playbar label { display: flex; align-items: center; gap: 8px; }
#obsRoot .obs-loop input, #obsRoot input[type="range"] { accent-color: #0d5c63; }
#obsRoot .obs-sliders { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; }
#obsRoot .obs-control { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 12px; align-items: center; }
#obsRoot output { font-size: .88rem; font-variant-numeric: tabular-nums; }
#obsRoot input[type="range"] { width: 100%; min-width: 0; margin: 0; grid-column: 1 / -1; }
#obsRoot .obs-range-ends { display: flex; justify-content: space-between; gap: 12px; grid-column: 1 / -1; font-size: .78rem; color: #5f716f; }
#obsRoot .obs-reference-note { margin: 18px 0 30px; font-size: .85rem; color: #5f716f; }
#obsRoot .obs-visits h3 { font-size: 1.35rem; margin: 0 0 12px; }
#obsRoot #obsVisitList { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin-bottom: 28px; }
#obsRoot .obs-visit { border-top: 1px solid #dce6e3; padding-top: 10px; min-width: 0; }
#obsRoot .obs-visit h4 { margin: 0 0 4px; font-size: .94rem; font-weight: 650; }
#obsRoot .obs-visit p { margin: 0; color: #5f716f; font-size: .83rem; }
#obsRoot .obs-science { border: 1px solid #dce6e3; border-radius: 9px; background: #fff; }
#obsRoot .obs-science > summary { padding: 16px 20px; cursor: pointer; font-size: 1rem; font-weight: 650; }
#obsRoot .obs-science > summary::marker { color: #0d5c63; }
#obsRoot .obs-science-body { padding: 0 22px 24px; }
#obsRoot .obs-science-intro { margin-top: 0; color: #5f716f; }
#obsRoot .obs-science-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; padding: 10px 0 24px; }
#obsRoot .obs-science h3 { margin: 0 0 10px; font-size: 1.2rem; }
#obsRoot .obs-science p, #obsRoot .obs-science li { color: #5f716f; font-size: .9rem; line-height: 1.6; }
#obsRoot dl { display: grid; grid-template-columns: minmax(110px, .8fr) minmax(0, 1.2fr); margin: 0 0 18px; gap: 7px 14px; font-size: .88rem; }
#obsRoot dt { color: #5f716f; }
#obsRoot dd { margin: 0; overflow-wrap: anywhere; }
#obsRoot #obsIssues { margin: 10px 0; padding-left: 20px; }
#obsRoot .obs-plot-row { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 22px; border-top: 1px solid #dce6e3; padding-top: 22px; }
#obsRoot .obs-plot-row label { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
#obsRoot .obs-plot-row > span, #obsRoot .obs-secondary { font-size: .8rem; color: #5f716f; }
#obsRoot .obs-sensor-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
#obsRoot .obs-sensor-heading h3 { margin: 0; }
#obsRoot .obs-sensor-heading label { display: flex; gap: 8px; align-items: center; }
#obsRoot .obs-sensor-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 22px; }
#obsRoot .obs-chart { min-width: 0; }
#obsRoot .obs-chart h4 { margin: 6px 0 8px; font-size: .94rem; }
#obsRoot .obs-chart svg { display: block; width: 100%; height: auto; }
#obsRoot .obs-chart-empty { min-height: 165px; display: flex; align-items: center; justify-content: center; padding: 24px; text-align: center; color: #5f716f; font-size: .88rem; background: #f7faf9; border-radius: 7px; }
#obsRoot .obs-vegetation-title { margin-top: 28px !important; }
#obsRoot .obs-observation { border-top: 1px solid #dce6e3; padding: 12px 0; }
#obsRoot .obs-observation h4 { margin: 0 0 10px; font-size: .95rem; }
#obsRoot .obs-observation img { max-width: 100%; max-height: 320px; display: block; margin: 12px 0; border-radius: 8px; }
#obsRoot .obs-principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; border-top: 1px solid #dce6e3; margin-top: 24px; padding-top: 18px; }
#obsRoot .obs-principles h4 { margin: 0 0 6px; font-size: .95rem; }
#obsRoot .obs-principles p { margin: 0; font-size: .82rem; }
#obsRoot .obs-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; padding: 0; clip-path: inset(50%); white-space: nowrap; }
@media (max-width: 760px) {
  #data { padding: 32px 0 48px; }
  #data > .observations-page { width: calc(100% - 32px); }
  #obsRoot .obs-modes button { min-width: 0; flex: 1 1 200px; }
  #obsRoot .obs-empty { min-height: 240px; padding: 20px; }
  #obsRoot .obs-sliders, #obsRoot .obs-science-grid, #obsRoot .obs-sensor-grid, #obsRoot .obs-principles { grid-template-columns: 1fr; gap: 20px; }
  #obsRoot #obsVisitList { grid-template-columns: 1fr 1fr; gap: 18px; }
  #obsRoot .obs-science-body { padding: 0 16px 20px; }
  #obsRoot .obs-filters { gap: 12px; }
  #obsRoot .obs-filters label { flex: 1 1 135px; min-width: 0; }
  #obsRoot .obs-photo-label { font-size: .73rem; }
}
@media (pointer: coarse) {
  #obsRoot button, #obsRoot select { min-height: 44px; }
  #obsRoot input[type="range"] { min-height: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  #obsRoot .obs-current { transition: none; }
}