/* embed.css — engine component styles for the opaque-origin interactive embed (companion v7 §6).
   Tokens-driven only: every color/font comes from tokens.css vars (--accent/--bg/...), resolved
   via the page-level <link rel="stylesheet" href="/styles/tokens.css"> (generated from tokens.json).
   NEVER hardcode a token value — Lima ácida is locked. Reduced-motion is handled by the
   tokens.css @media block (CSS animations) + embed.js (canvas RAF). */

.embed-root {
  margin: 0;
  padding: 1.25rem;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}

.embed-root h1,
.embed-root h2,
.embed-root h3 {
  font-family: var(--font-display);
  color: var(--accent);
  line-height: 1.2;
}
.embed-root h1 { font-size: 1.6rem; margin: 0 0 0.75rem; }
.embed-root h2 { font-size: 1.25rem; margin: 1.5rem 0 0.5rem; }
.embed-root p { margin: 0.75rem 0; }
.embed-root a { color: var(--accent); }

/* ---- captioned figures (concept-map, canvas diagram, SVG diagram) ---- */
figure[data-block],
.diagram-svg {
  margin: 1.75rem 0;
}
figure[data-block] figcaption,
.diagram-svg figcaption {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--text-dim);
}

/* canvas-backed 2D blocks */
[data-block="concept-map"] canvas,
[data-block="diagram"] canvas {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

/* canvas-backed 2D blueprint (schematic flows/architectures) */
[data-block="blueprint"] canvas {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

/* static SVG "rich 2D": engine.css styles strokes/fills (lima); shapes inherit stroke */
.diagram-svg svg {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  stroke: var(--accent);
  fill: none;
  stroke-width: 2;
}
.diagram-svg svg text {
  fill: var(--text);
  stroke: none;
  font-family: var(--font-mono);
  font-size: 11px;
}

/* ---- in-embed animated stage (canvas behind block content) ---- */
[data-block="stage"] {
  position: relative;
  min-height: 160px;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
[data-block="stage"] .stage-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
[data-block="stage"] > :not(.stage-canvas) {
  position: relative;
  z-index: 1;
}

/* ---- opt-in 3D mount ---- */
[data-block="three"] {
  min-height: min(60vw, 360px);
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  overflow: hidden;
}
[data-block="three"] canvas { display: block; }

/* ---- rich prompt block + copy button (ported from base.css:118-158, label-driven) ---- */
.copy-btn {
  position: absolute;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.25rem 0.55rem;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.copy-btn:hover { background: var(--accent); color: var(--accent-ink); }
.copy-btn[data-copied="true"] { color: var(--accent); border-color: var(--accent); }

.prompt-block {
  position: relative;
  margin: 1.75rem 0;
  padding: 1.1rem 1.1rem 0.4rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
}
.prompt-block::before {
  content: attr(data-prompt-label);
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--ink-green);
  margin-bottom: 0.4rem;
}
.prompt-block .copy-btn { top: 0.75rem; right: 0.75rem; }
.prompt-block .prompt-body { color: var(--text); }
.prompt-block .prompt-body p:first-child { margin-top: 0; }

/* ---- IDE/CLI selector: tab row + reused prompt-block panel ---- */
[data-block="selector"] { margin: 1.75rem 0; }
.selector-tabs { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.6rem; }
.selector-tab {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: var(--text-dim);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.selector-tab:hover { color: var(--accent); }
.selector-tab[aria-selected="true"] {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

/* ---- responsive: stack/shrink; canvases stay full-width ---- */
@media (max-width: 480px) {
  .embed-root { padding: 1rem; }
  .embed-root h1 { font-size: 1.35rem; }
  [data-block="three"] { min-height: min(72vw, 320px); }
  .selector-tab { flex: 1 1 auto; text-align: center; }
}