/* =============================================================================
   pec.css — Estilos del módulo de PEC (Prueba de Evaluación Continua)
   ============================================================================= */

/* ── Vista principal de PEC ─────────────────────────────────────────────────── */

.pec-view {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  font-family: var(--font-base, sans-serif);
  color: var(--text-primary, #1a1a2e);
}

/* ── Cabecera ────────────────────────────────────────────────────────────────── */

.pec-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: linear-gradient(135deg, #1a1a2e 0%, #2d2d5e 100%);
  color: #fff;
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.pec-header-badge {
  font-size: 1.75rem;
  line-height: 1;
  flex-shrink: 0;
  padding-top: 2px;
}

.pec-header-info {
  flex: 1;
}

.pec-titulo {
  margin: 0 0 0.35rem;
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
}

.pec-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.8rem;
  opacity: 0.85;
}

.pec-meta-item {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 2px 10px;
}

.pec-meta-fecha {
  background: rgba(255, 200, 50, 0.25);
  color: #ffd54f;
}

.pec-header-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* ── Botones ─────────────────────────────────────────────────────────────────── */

.pec-btn {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.15s;
  border: none;
  white-space: nowrap;
}

.pec-btn:hover {
  opacity: 0.85;
}

.pec-btn--outline {
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  background: transparent;
}

/* ── Descripción general ─────────────────────────────────────────────────────── */

.pec-descripcion {
  background: var(--bg-card, #f8f9ff);
  border-left: 4px solid var(--accent, #4f46e5);
  padding: 0.85rem 1.1rem;
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary, #444);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

/* ── Barra de progreso ───────────────────────────────────────────────────────── */

.pec-progress-bar-wrap {
  margin-bottom: 1.75rem;
}

.pec-progress-label {
  font-size: 0.8rem;
  color: var(--text-secondary, #666);
  margin-bottom: 0.35rem;
  font-weight: 600;
}

.pec-progress-bar {
  height: 8px;
  background: var(--bg-muted, #e8e8f0);
  border-radius: 99px;
  overflow: hidden;
}

.pec-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #4f46e5, #7c3aed);
  border-radius: 99px;
  transition: width 0.4s ease;
}

/* ── Sección de apartados ────────────────────────────────────────────────────── */

.pec-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary, #1a1a2e);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border, #e0e0ef);
}

.pec-apartados-lista {
  margin-bottom: 2rem;
}

.pec-apartado {
  background: var(--bg-card, #fff);
  border: 1.5px solid var(--border, #e0e0ef);
  border-radius: 10px;
  margin-bottom: 0.85rem;
  overflow: hidden;
  transition: border-color 0.2s;
}

.pec-apartado--trabajado {
  border-color: #4caf50;
  background: #f6fff6;
}

.pec-apartado-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.85rem 1rem 0.5rem;
}

.pec-apartado-check {
  flex-shrink: 0;
  padding-top: 4px;
}

/* Custom checkbox */
.pec-check-label {
  display: block;
  cursor: pointer;
  position: relative;
  width: 22px;
  height: 22px;
}

.pec-check-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.pec-check-box {
  display: block;
  width: 22px;
  height: 22px;
  border: 2px solid #aab;
  border-radius: 6px;
  background: #fff;
  transition: all 0.15s;
}

.pec-check-input:checked + .pec-check-box {
  background: #4caf50;
  border-color: #4caf50;
}

.pec-check-input:checked + .pec-check-box::after {
  content: "✓";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.pec-apartado-titulo {
  flex: 1;
}

.pec-apt-num {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent, #4f46e5);
  margin-bottom: 2px;
}

.pec-apartado-titulo h4 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary, #1a1a2e);
  line-height: 1.35;
}

.pec-apartado--trabajado .pec-apartado-titulo h4 {
  color: #2e7d32;
}

.pec-apartado-body {
  padding: 0 1rem 0.85rem 3rem;
}

.pec-apt-enunciado {
  margin: 0 0 0.6rem;
  font-size: 0.88rem;
  color: var(--text-secondary, #444);
  line-height: 1.6;
}

.pec-temas-relacionados {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-tertiary, #777);
}

.pec-temas-relacionados span {
  font-weight: 600;
}

.pec-tema-link {
  background: var(--bg-muted, #f0f0fa);
  border: 1px solid var(--border, #d0d0e8);
  border-radius: 20px;
  padding: 2px 10px;
  font-size: 0.78rem;
  cursor: pointer;
  color: var(--accent, #4f46e5);
  font-weight: 600;
  transition: background 0.15s;
}

.pec-tema-link:hover {
  background: var(--accent, #4f46e5);
  color: #fff;
  border-color: var(--accent, #4f46e5);
}

/* ── Sección tutor ───────────────────────────────────────────────────────────── */

.pec-tutor-section {
  background: var(--bg-card, #f8f9ff);
  border: 1.5px solid var(--border, #e0e0ef);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-top: 0.5rem;
}

.pec-tutor-intro p {
  margin: 0 0 0.85rem;
  font-size: 0.88rem;
  color: var(--text-secondary, #444);
  line-height: 1.6;
}

.pec-tutor-quick-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.pec-tutor-quick-btn {
  background: #fff;
  border: 1.5px solid var(--accent, #4f46e5);
  color: var(--accent, #4f46e5);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.pec-tutor-quick-btn:hover {
  background: var(--accent, #4f46e5);
  color: #fff;
}

.pec-tutor-hint {
  font-size: 0.82rem;
  color: var(--text-tertiary, #888);
  margin: 0;
  line-height: 1.5;
}

/* ── Nav item PEC (sidebar) ──────────────────────────────────────────────────── */

.nav-item-pec .nav-item-icon {
  font-size: 1.1rem;
}

/* ── Responsive ──────────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  .pec-header {
    flex-direction: column;
    gap: 0.75rem;
  }

  .pec-header-actions {
    flex-direction: row;
  }

  .pec-apartado-body {
    padding-left: 1rem;
  }

  .pec-tutor-quick-btns {
    flex-direction: column;
  }

  .pec-tutor-quick-btn {
    width: 100%;
    text-align: center;
  }
}