/* ============================================================
   Recursos interativos das aulas (preview): tesoura no quiz + marca-texto
   ============================================================ */

/* ---------- 1. Tesoura para riscar alternativas do quiz ----------
   A tesoura fica FORA do botão, numa calha à esquerda (antes da letra). */
.quiz-opt-row { display: flex; align-items: stretch; gap: 0.4rem; margin: 0.35rem 0; }
.quiz-opt-row .quiz-opt { flex: 1; width: auto; margin: 0; }
.quiz-scissor {
  flex: 0 0 auto;
  width: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  border-radius: 6px;
  transition: opacity 0.12s, transform 0.12s, background 0.12s;
  user-select: none;
}
.quiz-opt-row:hover .quiz-scissor { opacity: 0.8; }
.quiz-scissor:hover { opacity: 1; transform: scale(1.2); background: var(--azul-claro); }
.quiz-opt.is-struck > span { text-decoration: line-through; opacity: 0.45; }

/* ---------- 2. Marca-texto (grifos) ---------- */
.grifo {
  border-radius: 2px;
  padding: 0 0.05em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  color: inherit;
}
.grifo-amarelo { background: #fff176; }
.grifo-verde   { background: #b2f2bb; }
.grifo-rosa    { background: #ffc9de; }
.grifo-azul    { background: #a5d8ff; }
.grifo-laranja { background: #ffd8a8; }

/* popup de cores que aparece acima da seleção */
.grifo-pop {
  position: absolute;
  z-index: 9999;
  display: none;
  gap: 0.45rem;
  align-items: center;
  background: #2d2d2d;
  border-radius: 999px;
  padding: 0.4rem 0.55rem;
  box-shadow: 0 6px 18px rgba(0,0,0,0.28);
}
.grifo-pop.is-open { display: flex; }
.grifo-pop::after {
  content: "";
  position: absolute;
  bottom: -6px; left: 50%; transform: translateX(-50%);
  border: 6px solid transparent; border-top-color: #2d2d2d; border-bottom: 0;
}
.grifo-swatch {
  width: 20px; height: 20px; border-radius: 50%;
  cursor: pointer; border: 2px solid rgba(255,255,255,0.55);
  transition: transform 0.1s;
}
.grifo-swatch:hover { transform: scale(1.2); }
.grifo-erase {
  width: 22px; height: 22px; border-radius: 50%;
  background: #fff; color: #2d2d2d;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 0.8rem; border: 2px solid rgba(255,255,255,0.55);
}
.grifo-erase:hover { background: #ffe3e3; }

@media print {
  .quiz-scissor, .grifo-pop { display: none !important; }
}