/* Shared components for the research case pages (research/*.html). Builds on site.css tokens. */
.wrap { max-width: 1080px; }

.cite {
  font-size: 13.5px; color: var(--ink2); border-left: 3px solid var(--accent);
  padding: 2px 0 2px 12px; margin: 14px 0 0; max-width: 78ch;
}
.cite b { color: var(--ink); font-weight: 600; }

.section-title {
  font-family: var(--font-sans); font-weight: 700; font-size: clamp(22px, 3.2vw, 28px);
  letter-spacing: -0.02em; line-height: 1.1; margin: 0 0 6px;
}
.section-intro { margin: 0 0 14px; color: var(--ink2); max-width: 70ch; }
section.block { display: grid; gap: 6px; padding-top: 22px; border-top: 1px solid var(--axis); }

/* stat tiles for real instance figures */
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 4px; padding: 12px 14px; }
.stat .v {
  font-family: var(--font-sans); font-weight: 700; font-size: 26px; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums; line-height: 1.1;
}
.stat .l { font-size: 13px; color: var(--ink2); margin-top: 3px; }
.sources { font-size: 13px; color: var(--muted); margin: 8px 0 0; max-width: 90ch; }

/* model: variables list next to formulation */
.model { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; align-items: start; }
.vars {
  margin: 0; padding: 0; list-style: none; display: grid; gap: 8px 28px; font-size: 14px; color: var(--ink2);
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}
.vars .sym { color: var(--ink); white-space: nowrap; }
.vars code, .formula code { font-family: var(--font-mono); font-size: 13px; color: var(--ink); }

/* findings */
.findings { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; counter-reset: f; }
.findings li {
  display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: baseline;
  background: var(--surface); border: 1px solid var(--border); border-radius: 4px; padding: 12px 14px;
}
.findings li::before {
  counter-increment: f; content: counter(f);
  font-weight: 700; color: var(--accent-text); font-variant-numeric: tabular-nums;
}
.findings b { color: var(--ink); }

/* interactive panels */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 4px; padding: 16px; }
.controls { display: grid; gap: 12px; }
.ctl { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; align-items: center; }
.ctl label { font-size: 13.5px; color: var(--ink2); }
.ctl output { font-family: var(--font-mono); font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; }
.ctl input[type="range"] { grid-column: 1 / -1; width: 100%; accent-color: var(--accent); margin: 0; }
.seg { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--border); border-radius: 2px; overflow: hidden; }
.seg button {
  font: 600 13px var(--font-sans); padding: 8px 12px; border: none; cursor: pointer;
  background: var(--surface); color: var(--ink2);
}
.seg button + button { border-left: 1px solid var(--border); }
.seg button[aria-pressed="true"] { background: var(--accent); color: var(--on-solid); }
.readout { font-family: var(--font-mono); font-size: 13px; color: var(--ink2); line-height: 1.7; }
.readout b { color: var(--ink); }
.chart { display: block; width: 100%; height: auto; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; color: var(--ink2); margin-top: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.sw { width: 12px; height: 12px; flex: none; }
.tblwrap { overflow-x: auto; }
table.data { border-collapse: collapse; width: 100%; font-size: 13.5px; min-width: 460px; }
table.data th {
  text-align: left; font-weight: 600; font-size: 12px; color: var(--muted); letter-spacing: 0.03em;
  border-bottom: 1px solid var(--axis); padding: 6px 10px;
}
table.data td { padding: 7px 10px; border-bottom: 1px solid var(--grid); font-variant-numeric: tabular-nums; }
table.data tr.on td { background: var(--sel); font-weight: 600; }

/* paper button under the citation */
.paper-link {
  align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; margin-top: 14px;
  font-weight: 700; font-size: 14.5px; text-decoration: none; color: var(--on-solid);
  background: var(--accent); padding: 10px 16px; border-radius: 2px;
}
.paper-link:hover { filter: brightness(1.12); }

/* typeset formulations (MathJax SVG inherits currentColor, so it follows the theme) */
.math {
  background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: 2px; padding: 6px 14px; overflow-x: auto; color: var(--ink);
}
.math + .math { margin-top: 10px; }
.math-head {
  margin: 0; padding-top: 8px; font-size: 12px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--accent-text);
}
.math-out { font-size: 15px; }
@media (max-width: 620px) { .math-out { font-size: 11.5px; } .math { padding: 4px 10px; } }
.math-out mjx-container[display="true"] { margin: 0.6em 0 !important; }
.math script { display: none; }

/* ---- animations before "The model" (player in assets/anim.js) ---- */
.anim { display: grid; gap: 10px; }
.anim-stage {
  position: relative; width: 100%; aspect-ratio: 16 / 9; max-width: 100%;
  background: var(--surface); border: 1px solid var(--border); border-radius: 4px; overflow: hidden;
}
@media (max-width: 620px) { .anim-stage { aspect-ratio: 4 / 5; } }
.anim-canvas { position: absolute; inset: 0; display: block; }
.anim-stage svg.anim-svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
/* overlay counters and labels drawn in the DOM so they stay crisp and translatable */
.anim-hud {
  position: absolute; top: 10px; left: 10px; display: flex; flex-wrap: wrap; gap: 6px; max-width: calc(100% - 20px);
  pointer-events: none;
}
.anim-hud .chip-stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: 2px; padding: 5px 9px;
  font-size: 12px; color: var(--ink2); line-height: 1.25; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}
.anim-hud .chip-stat b {
  display: block; font-size: 17px; color: var(--ink); font-weight: 700; font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.anim-hud .chip-stat.accent b { color: var(--accent-text); }
.anim-caption {
  position: absolute; left: 10px; bottom: 10px; max-width: calc(100% - 20px); pointer-events: none;
  background: var(--ink); color: var(--bg); font-size: 13px; font-weight: 600; padding: 5px 10px; border-radius: 2px;
}
.anim-legend {
  display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 12.5px; color: var(--ink2);
}
.anim-legend span { display: inline-flex; align-items: center; gap: 6px; }
.anim-legend i { width: 11px; height: 11px; display: inline-block; flex: none; }
.anim-controls { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; }
.anim-controls .ctl-label { font-size: 13px; color: var(--ink2); font-weight: 600; }

.anim-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.anim-btn {
  font: 700 14px var(--font-sans); min-width: 38px; height: 34px; padding: 0 10px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--ink); border-radius: 2px;
}
.anim-btn.anim-play { background: var(--accent); color: var(--on-solid); border-color: var(--accent); }
/* fixed width so the play, pause and replay glyphs never reflow the bar (the timeline must not move under the pointer) */
.anim-btn.anim-play { width: 46px; padding: 0; flex: none; }
.anim-track {
  position: relative; flex: 1 1 180px; height: 8px; background: var(--surface2); border: 1px solid var(--border);
  border-radius: 99px; cursor: pointer; touch-action: none;
}
.anim-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--accent); border-radius: 99px; }
.anim-ticks { position: absolute; inset: 0; pointer-events: none; }
.anim-tick { position: absolute; top: -3px; width: 2px; height: 12px; background: var(--ink2); transform: translateX(-1px); }
.anim-time { font-family: var(--font-mono); font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.anim-speed { display: inline-flex; border: 1px solid var(--border); border-radius: 2px; overflow: hidden; }
.anim-speed button {
  font: 600 12px var(--font-mono); padding: 6px 8px; border: none; background: var(--surface); color: var(--ink2); cursor: pointer;
}
.anim-speed button + button { border-left: 1px solid var(--border); }
.anim-speed button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.anim-chapters { display: flex; flex-wrap: wrap; gap: 6px; }
.anim-chap {
  font: 600 12.5px var(--font-sans); padding: 5px 10px; border: 1px solid var(--border); background: var(--surface);
  color: var(--muted); border-radius: 2px; cursor: pointer;
}
.anim-chap.done { color: var(--ink2); }
.anim-chap.on { color: var(--on-solid); background: var(--accent); border-color: var(--accent); }