/* ─────────────────────────────────────────────────────────────────
 * EduSpark — Rich Content Widget Styles
 * Loaded on ALL pages that DISPLAY question/answer content
 * (dashboard.html, any future result/print pages).
 * Does NOT contain toolbar chrome — only the rendered widget shapes.
 * ───────────────────────────────────────────────────────────────── */

/* ── Inline fraction ─────────────────────────────── */
.mfrac {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  vertical-align: middle;
  margin: 0 0.1em;
  line-height: 1.25;
}
.mfrac-num,
.mfrac-den {
  display: block;
  min-width: 1.4em;
  text-align: center;
  padding: 0.04em 0.22em;
}
.mfrac-num { border-bottom: 1.5px solid currentColor; }

/* ── nth Root ────────────────────────────────────── */
.math-nroot {
  display: inline-flex;
  align-items: flex-end;
  vertical-align: middle;
  margin: 0 0.1em;
}
.nroot-idx {
  font-size: 0.62em;
  margin-bottom: 0.35em;
  min-width: 0.8em;
  text-align: center;
  padding: 0 0.1em;
}
.nroot-sign { font-size: 1.1em; margin-right: 0.05em; }
.nroot-val {
  border-top: 1.5px solid currentColor;
  padding: 0.04em 0.2em 0;
  min-width: 1.2em;
}

/* ── Definite Integral ───────────────────────────── */
.math-defint {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  margin: 0 0.1em;
}
.mint-bounds {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  margin-right: -0.05em;
}
.mint-upper,
.mint-lower {
  font-size: 0.6em;
  min-width: 0.9em;
  padding: 0 0.1em;
  text-align: center;
}
.mint-sign { font-size: 1.9em; line-height: 0.85; margin: 0 0.08em 0 0; }

/* ── Sigma / Pi with bounds ──────────────────────── */
.math-symbnd {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  margin: 0 0.1em;
}
.symbnd-sym { font-size: 1.4em; line-height: 1; margin-right: 0.05em; }
.symbnd-bounds {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  font-size: 0.6em;
}
.symbnd-upper,
.symbnd-lower { min-width: 1em; padding: 0 0.1em; }

/* ── Chemistry Nuclide ───────────────────────────── */
.math-nuclide {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  margin: 0 0.05em;
}
.nuc-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 0.6em;
  margin-right: 0.05em;
}
.nuc-mass,
.nuc-num { min-width: 0.9em; padding: 0 0.1em; text-align: right; }
.nuc-sym { min-width: 0.8em; padding: 0 0.05em; text-align: center; }

/* ── Boolean overline / complement bar ───────────── */
.math-overline {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  margin: 0 0.04em;
}
.mover-val {
  display: inline-block;
  border-top: 1.5px solid currentColor;
  padding: 0.06em 0.1em 0;
  min-width: 0.5em;
  line-height: normal;
  vertical-align: middle;
}

/* ── Inline code / monospace snippet ─────────────── */
.math-code {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-size: 0.87em;
  background: rgba(15, 23, 42, 0.07);
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 4px;
  padding: 0.15em 0.45em;
  color: inherit;
  white-space: pre-wrap;
  display: inline-block;
  vertical-align: middle;
  word-break: break-word;
}
[data-theme="dark"] .math-code {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.16);
}

/* ── Table widget ────────────────────────────────── */
.math-table {
  display: inline-table;
  border-collapse: collapse;
  vertical-align: middle;
  margin: 0.2em 0.1em;
  max-width: 100%;
  color: var(--text);
  background: transparent;
}
.math-table td {
  border: 1.5px solid var(--text);
  padding: 0.2em 0.55em;
  min-width: 2.2em;
  vertical-align: middle;
  white-space: pre-wrap;
  word-break: break-word;
  background: transparent;
  color: var(--text);
}

/* ── Font size helpers ───────────────────────────── */
.math-sz-s  { font-size: 1em; }
.math-sz-l  { font-size: 1.28em; }
.math-sz-xl { font-size: 1.65em; }