/* ═══════════ Exercícios Complementares (Aluno) ═══════════ */

.ce-section {
  margin-bottom: 20px;
}

.ce-section-hd {
  font-size: 0.86rem;
  font-weight: 800;
  color: var(--gold);
  margin: 12px 0 10px 0;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--border2);
}

.ce-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}

.ce-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ce-card.ce-done {
  border-left-color: var(--green);
  opacity: 0.85;
}

.ce-card-hd {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.ce-card-title {
  font-size: 0.96rem;
  font-weight: 800;
  color: var(--fg);
  line-height: 1.3;
}

.ce-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 5px;
}

.ce-card-intro {
  font-size: 0.78rem;
  color: var(--muted);
  font-style: italic;
  line-height: 1.45;
  background: var(--bg3);
  padding: 8px 10px;
  border-radius: 6px;
  border-left: 2px solid var(--teal);
}

.ce-card-actions {
  display: flex;
  justify-content: flex-end;
}

/* ── Modal de resolução ── */
.ce-question {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-left: 3px solid var(--teal);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 10px;
}

.ce-question.ce-q-correct {
  border-left-color: var(--green);
  background: rgba(34, 197, 94, 0.04);
}

.ce-question.ce-q-wrong {
  border-left-color: var(--orange);
  background: rgba(251, 146, 60, 0.04);
}

.ce-q-hd {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.ce-q-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--gold);
  color: #000;
  border-radius: 50%;
  font-weight: 900;
  font-size: 0.82rem;
}

.ce-q-stmt {
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 10px;
  font-weight: 600;
  color: var(--fg);
}

/* Alternativas (objetiva) */
.ce-alts {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ce-alt {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.84rem;
  transition: all 0.15s;
}

.ce-alt:hover {
  border-color: var(--teal);
  background: var(--bg);
}

.ce-alt input[type=radio] {
  accent-color: var(--teal);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.ce-alt span {
  flex: 1;
}

.ce-alt.ce-alt-correct {
  border-color: var(--green);
  background: rgba(34, 197, 94, 0.1);
  color: var(--green);
  font-weight: 700;
}

.ce-alt.ce-alt-picked-wrong {
  border-color: var(--orange);
  background: rgba(251, 146, 60, 0.08);
  text-decoration: line-through;
  opacity: 0.7;
}

/* V/F */
.ce-vf {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.ce-vf-opt {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 700;
  justify-content: center;
}

.ce-vf-opt:hover {
  border-color: var(--teal);
}

.ce-vf-opt.ce-alt-correct {
  border-color: var(--green);
  background: rgba(34, 197, 94, 0.1);
  color: var(--green);
}

.ce-vf-opt.ce-alt-picked-wrong {
  border-color: var(--orange);
  background: rgba(251, 146, 60, 0.08);
  opacity: 0.7;
}

/* Dissertativa */
.ce-disserta {
  width: 100%;
  font-family: inherit;
  font-size: 0.84rem;
  resize: vertical;
}

.ce-model {
  font-size: 0.78rem;
  background: var(--bg3);
  border-left: 2px solid var(--purple);
  border-radius: 5px;
  padding: 7px 10px;
  margin-top: 6px;
  line-height: 1.4;
}

.ce-model strong {
  color: var(--purple);
}

/* Explicação pós-correção */
.ce-expl {
  font-size: 0.78rem;
  color: var(--fg);
  background: rgba(108, 63, 197, 0.06);
  border-left: 2px solid var(--purple);
  border-radius: 5px;
  padding: 7px 10px;
  margin-top: 8px;
  line-height: 1.45;
}

@media (max-width: 600px) {
  .ce-grid {
    grid-template-columns: 1fr;
  }
  .ce-vf {
    grid-template-columns: 1fr;
  }
}