/* Figures for the rate-induced tipping highlight */
.rt-box {
  --rt-ice: #f4f9fd;
  --rt-ice-edge: #2f7fc1;
  --rt-ocean: #c4dbec;
  --rt-sea: #2a5d8a;
  --rt-bed: #9a561d;
  --rt-bed-fill: #eadbc8;
  --rt-ok: #3a78b5;
  --rt-tip: #d4683d;
  --rt-ok-cell: #7fa7cf;
  --rt-tip-cell: #e39d81;
  --rt-ink: #18576e;
  --rt-muted: #6b7f88;
  --rt-grid: #e3e9ec;
  --rt-panel: #f1f5f7;
  font-size: 15px;
}

/* Cross-section */
.rt-xs { display: block; background: #fff; border-radius: 6px; }
.rt-ice { fill: var(--rt-ice); stroke: var(--rt-ice-edge); stroke-width: 2; stroke-linejoin: round; }
.rt-ocean { fill: var(--rt-ocean); }
.rt-sea { stroke: var(--rt-sea); stroke-width: 1.5; fill: none; }
.rt-bed { stroke: var(--rt-bed); stroke-width: 2.5; fill: none; stroke-linejoin: round; }
.rt-bed-fill { fill: var(--rt-bed-fill); }
.rt-bed0 { stroke: var(--rt-bed); stroke-width: 1.2; stroke-dasharray: 4 4; fill: none; opacity: 0.6; }
.rt-gl { fill: #fff; stroke: var(--rt-sea); stroke-width: 2; }
.rt-lbl { font-size: 13px; fill: var(--rt-muted); paint-order: stroke; stroke: var(--rt-ice); stroke-width: 4px; stroke-linejoin: round; }
.rt-lbl-bed { stroke: var(--rt-bed-fill); }
.rt-lbl-ocean { fill: var(--rt-sea); }
.rt-lbl-bed { fill: var(--rt-bed); }

/* Hero */
.rt-hero { position: relative; }
.rt-hero-forcing { margin: 0 0 4px; font-size: 15px; color: var(--rt-muted); }

/* Play/Pause, Reset and time slider */
.rt-player { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin: 6px 0 10px; }
.rt-play { min-width: 6.8em; }
.rt-scrub { flex: 1 1 160px; min-width: 120px; accent-color: var(--rt-ice-edge); }
.rt-time { font-size: 14px; color: var(--rt-muted); font-variant-numeric: tabular-nums; min-width: 10.5em; }
.rt-lane { margin-bottom: 6px; }
.rt-lane-title { margin: 8px 0 2px; font-size: 16px; font-weight: 600; color: var(--rt-ink); }
.rt-lane-note { font-weight: 300; color: var(--rt-muted); }
.rt-tag {
  display: inline-block; margin-left: 10px; padding: 1px 10px; border-radius: 12px;
  font-size: 13px; font-weight: 600; color: #fff; vertical-align: 1px;
}
.rt-tag[hidden] { display: none; }
.rt-tag-ok { background: var(--rt-ok); }
.rt-tag-tip { background: var(--rt-tip); }
.rt-xs-foot { font-size: 13px; color: var(--rt-muted); margin: 4px 0 0; }
.rt-caption { font-size: 0.9rem; line-height: 1.45; color: #4b5563; margin-top: 0.5rem; }

/* Legend keys */
.rt-key { display: inline-block; width: 14px; height: 14px; margin-right: 6px; vertical-align: -2px; border-radius: 3px; }
.rt-key-bed0 { height: 0; border-top: 2px dashed var(--rt-bed); border-radius: 0; vertical-align: 4px; opacity: 0.7; }
.rt-key-gl { width: 10px; height: 10px; border-radius: 50%; border: 2px solid var(--rt-sea); background: #fff; }
.rt-key-ok { background: var(--rt-ok-cell); }
.rt-key-tip { background: var(--rt-tip-cell); }
.rt-key-dash { height: 0; width: 22px; border-top: 2px dashed var(--rt-ink); border-radius: 0; vertical-align: 4px; }
.rt-key-vline { position: relative; background: var(--rt-ok-cell); }
.rt-key-vline::after { content: ""; position: absolute; left: 6px; top: 1px; bottom: 1px; border-left: 2px dashed #fff; }
.rt-key-dot { height: 0; width: 22px; border-top: 2px dotted var(--rt-ink); border-radius: 0; vertical-align: 4px; }

/* Buttons */
.rt-btn {
  font: inherit; font-size: 14px; padding: 5px 12px; border-radius: 16px; cursor: pointer;
  border: 1px solid var(--rt-ice-edge); background: var(--rt-ice-edge); color: #fff;
}
.rt-btn-quiet { background: #fff; color: var(--rt-ice-edge); }
.rt-btn:hover { filter: brightness(0.95); }
.rt-btn:focus-visible { outline: 2px solid var(--rt-ink); outline-offset: 2px; }

/* Lab */
/* Titled inset boxes around the hero and the model */
.rt-box { margin: 1.5rem 0; padding: 18px 22px 16px; background: var(--rt-panel); border-radius: 8px; }
.rt-box > p:first-child { margin: 0 0 10px; }
.rt-box-title { font-size: 1.05rem; font-weight: 600; color: var(--rt-ink); }
.rt-box .rt-caption { margin: 10px 0 0; }
.rt-box .rt-caption p { margin: 0; }

.rt-lab {
  display: grid; gap: 24px 28px;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  grid-template-areas: "controls fig" "map fig";
  grid-template-rows: auto 1fr;
}
.rt-controls { grid-area: controls; }
.rt-lab-fig { grid-area: fig; }
.rt-lab-map { grid-area: map; min-width: 0; }
.rt-map-title { margin: 0 0 6px; font-weight: 600; font-size: 15px; color: var(--rt-ink); }
.rt-map-title span { font-weight: 300; color: var(--rt-muted); }
.rt-controls { display: flex; flex-direction: column; gap: 18px; }
.rt-ctl { display: block; }
.rt-ctl-name { display: block; font-weight: 600; color: var(--rt-ink); font-size: 15px; }
.rt-ctl input[type="range"] { width: 100%; margin: 6px 0 2px; accent-color: var(--rt-ice-edge); }
.rt-ctl output { display: block; font-variant-numeric: tabular-nums; color: var(--rt-muted); font-size: 14px; }
.rt-presets { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.rt-lab-fig { position: relative; min-width: 0; }
.rt-lab-xs { background: #fff; border-radius: 6px; overflow: hidden; }
.rt-outcome {
  margin: 0 0 10px; padding: 8px 12px; border-radius: 6px; font-size: 15px; line-height: 1.4;
  background: #fff; border-left: 4px solid var(--rt-muted); min-height: 2.8em;
}
.rt-outcome-ok { border-left-color: var(--rt-ok); }
.rt-outcome-tip { border-left-color: var(--rt-tip); }

/* Time series */
.rt-ts { position: relative; margin-top: 14px; }
.rt-ts-svg, .rt-map-svg { display: block; }
.rt-ax { stroke: #b9c4c9; stroke-width: 1; }
.rt-grid { stroke: var(--rt-grid); stroke-width: 1; }
.rt-ax-title { font-size: 13px; font-weight: 600; fill: var(--rt-ink); }
.rt-tick { font-size: 12px; fill: var(--rt-muted); font-variant-numeric: tabular-nums; }
.rt-ref { stroke: var(--rt-muted); stroke-width: 1; stroke-dasharray: 5 4; }
.rt-ref-lbl { font-size: 12px; fill: var(--rt-muted); }
.rt-line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.rt-line-T { stroke: var(--rt-tip); }
.rt-line-r { stroke: var(--rt-ice-edge); }
.rt-line-u { stroke: var(--rt-bed); }
.rt-line-ueq { stroke: var(--rt-bed); stroke-dasharray: 4 4; opacity: 0.55; }
.rt-line-lbl { font-size: 12px; fill: var(--rt-muted); }
.rt-line-lbl-u { fill: var(--rt-bed); }
.rt-cross { stroke: var(--rt-muted); stroke-width: 1; }
.rt-tip {
  position: absolute; z-index: 2; pointer-events: none; width: 190px;
  padding: 8px 10px; font-size: 13px; line-height: 1.4; color: var(--rt-ink);
  background: #fff; border: 1px solid #d5dee2; border-radius: 6px; box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.rt-tip[hidden] { display: none; }

/* Map */
.rt-map-fig { position: relative; }
.rt-cell { fill: #e9eef0; cursor: pointer; }
.rt-cell-ok { fill: var(--rt-ok-cell); }
.rt-cell-tip { fill: var(--rt-tip-cell); }
.rt-cell:hover { stroke: var(--rt-ink); stroke-width: 1.5; }
.rt-map-ref { stroke: var(--rt-ink); stroke-width: 2; stroke-dasharray: 7 5; pointer-events: none; }
.rt-map-ref-dot { stroke-dasharray: 2 4; stroke-linecap: round; }
.rt-map-vline { stroke: #fff; stroke-width: 1.5; stroke-dasharray: 3 3; pointer-events: none; }
.rt-map-marker { pointer-events: none; }
.rt-map-marker-ring { fill: none; stroke: #1f2937; stroke-width: 2.5; }
.rt-map-marker-dot { fill: #1f2937; }
.rt-legend { display: flex; flex-wrap: wrap; gap: 4px 18px; margin-top: 8px; font-size: 13px; line-height: 1.4; color: var(--rt-muted); }

@media screen and (max-width: 760px) {
  .rt-box { padding: 14px 14px 12px; }
  .rt-lab { grid-template-columns: 1fr; grid-template-areas: "controls" "fig" "map"; grid-template-rows: auto; gap: 18px; }
  .rt-presets { flex-direction: row; flex-wrap: wrap; }
}