/* Scene 1 -- "The bowl"
   Style only. All colors come from the editorial palette tokens defined
   in css/style.css. No transitions on color/opacity/position (headless
   screenshot compatibility). */

.s1-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.s1-hero {
  margin-bottom: 4px;
}

.s1-h1 {
  margin-bottom: 6px;
}

/* Two-column grid for the panels. Falls back to single column on narrow
   viewports so the marble pane stays clickable on laptops/tablets. */
.s1-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: stretch;
}

@media (max-width: 880px) {
  .s1-grid { grid-template-columns: 1fr; }
}

.s1-pane {
  display: flex;
  flex-direction: column;
  padding: 12px 14px 10px;
}

.s1-svg {
  width: 100%;
  height: auto;
  display: block;
  /* Show pointer over the loss pane to invite clicking. The fit pane
     SVG inherits .s1-svg too -- we only want the cursor there. */
  cursor: default;
}

/* Loss pane SVG specifically gets the crosshair cursor (it's the first
   .s1-svg inside its card; we use a more specific selector). */
.s1-pane:first-of-type .s1-svg {
  cursor: crosshair;
}

.s1-pane-bg {
  fill: var(--card-bg);
  stroke: none;
}

.s1-plot-frame {
  fill: none;
  stroke: var(--rule);
  stroke-width: 1;
}

/* ---- Loss-landscape pane ---- */

.s1-contour {
  fill: none;
  stroke: var(--contour);
  stroke-width: 0.7;
}

.s1-contour-hi {
  stroke: var(--contour-hi);
  stroke-width: 1;
}

.s1-axis {
  stroke: var(--axis);
  stroke-width: 1;
  fill: none;
}

.s1-tick {
  stroke: var(--axis);
  stroke-width: 1;
}

.s1-tick-label {
  fill: var(--ink-secondary);
  font-family: "SF Mono", Menlo, monospace;
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.s1-axis-label {
  fill: var(--ink-secondary);
  font-family: "Iowan Old Style", Palatino, Georgia, serif;
  font-style: italic;
  font-size: 12px;
}

.s1-optimum-mark {
  stroke: var(--ink);
  stroke-width: 1.4;
  fill: none;
}

.s1-trajectory {
  fill: none;
  stroke: var(--trajectory);
  stroke-width: 1.4;
  stroke-dasharray: 4 4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.s1-marble {
  fill: var(--marble);
  stroke: var(--card-bg);
  stroke-width: 1.2;
}

/* Hover readout box */
.s1-hover.hidden {
  visibility: hidden;
}
.s1-hover-bg {
  fill: var(--card-bg);
  stroke: var(--rule);
  stroke-width: 1;
  fill-opacity: 0.94;
}
.s1-hover-text {
  fill: var(--ink);
  font-family: "SF Mono", Menlo, monospace;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

/* ---- Fit pane ---- */

.s1-truth {
  fill: none;
  stroke: var(--truth);
  stroke-width: 1.4;
  stroke-dasharray: 4 4;
}

.s1-data-pt {
  fill: var(--data);
  fill-opacity: 0.55;
  stroke: none;
}

.s1-fit {
  stroke: var(--fit);
  stroke-width: 2.4;
  fill: none;
  stroke-linecap: round;
}

/* ---- Caption + footnote tightening ---- */

.s1-caption {
  margin-top: 6px;
  margin-bottom: 0;
}

.s1-controls {
  margin-top: 14px;
}

.s1-foot {
  margin-top: 8px;
}