/* ==============================================================================
   Engenheiro de Prompt - Design Minimalista & Focado (Sem Sobrecarga)
   LabEstudos - Experiência Direta e Intuitiva para Iniciantes
   ============================================================================== */

:root {
  --pe-bg: #f8fafc;
  --pe-surface: #ffffff;
  --pe-border: #e2e8f0;
  --pe-border-focus: #cbd5e1;

  --pe-text-primary: #0f172a;
  --pe-text-secondary: #475569;
  --pe-text-muted: #64748b;
  --pe-text-light: #94a3b8;

  --pe-indigo: #4f46e5;
  --pe-indigo-hover: #4338ca;
  --pe-indigo-light: #eef2ff;
  --pe-indigo-border: #c7d2fe;

  --pe-emerald: #059669;
  --pe-emerald-light: #ecfdf5;
  --pe-emerald-border: #a7f3d0;

  --pe-amber: #d97706;
  --pe-amber-light: #fefce8;
  --pe-amber-border: #fef08a;

  --pe-danger: #ef4444;
  --pe-danger-light: #fef2f2;
  --pe-danger-border: #fecaca;

  --pe-radius-sm: 8px;
  --pe-radius-md: 12px;
  --pe-radius-lg: 16px;
}

/* Wrapper Principal Focado */
.pe-clean-wrapper {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px 80px;
}

/* Barra Superior Minimalista */
.pe-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--pe-border);
  gap: 16px;
}

.pe-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--pe-text-muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: var(--pe-radius-sm);
  transition: all 0.15s ease;
}

.pe-nav-back:hover {
  color: var(--pe-indigo);
  background: var(--pe-indigo-light);
}

.pe-nav-progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex: 1;
  max-width: 240px;
}

.pe-progress-counter {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--pe-text-muted);
}

.pe-progress-counter strong {
  color: var(--pe-indigo);
}

.pe-progress-line-bg {
  width: 100%;
  height: 5px;
  background: var(--pe-border);
  border-radius: 999px;
  overflow: hidden;
}

.pe-progress-line-fill {
  height: 100%;
  width: 10%;
  background: var(--pe-indigo);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.pe-nav-restart {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--pe-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--pe-radius-sm);
  transition: all 0.15s ease;
}

.pe-nav-restart:hover {
  color: var(--pe-text-primary);
  background: #f1f5f9;
}

/* Área de Trabalho Central */
.pe-workspace {
  background: #ffffff;
  border: 1px solid var(--pe-border);
  border-radius: var(--pe-radius-lg);
  padding: 32px 36px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03);
}

/* Cabeçalho do Desafio */
.pe-task-header {
  margin-bottom: 24px;
}

.pe-task-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--pe-text-primary);
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}

.pe-task-scenario {
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--pe-text-secondary);
  margin: 0;
}

/* Ponto de Partida: O Comando Ruim */
.pe-weak-box {
  background: var(--pe-amber-light);
  border: 1px solid var(--pe-amber-border);
  border-radius: var(--pe-radius-md);
  padding: 16px 20px;
  margin-bottom: 28px;
}

.pe-weak-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #b45309;
  margin-bottom: 6px;
}

.pe-weak-tag .material-symbols-outlined {
  font-size: 0.95rem;
}

.pe-weak-prompt {
  font-family: 'Courier New', Courier, monospace;
  font-size: 1.15rem;
  font-weight: 700;
  color: #78350f;
  margin-bottom: 8px;
}

.pe-weak-reason {
  font-size: 0.88rem;
  line-height: 1.5;
  color: #92400e;
  margin: 0;
}

/* A Ação: Seleção das Partes */
.pe-interactive-section {
  margin-bottom: 28px;
}

.pe-interactive-header {
  margin-bottom: 16px;
}

.pe-interactive-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--pe-text-primary);
  margin: 0 0 4px;
}

.pe-interactive-subtitle {
  font-size: 0.9rem;
  color: var(--pe-text-muted);
  margin: 0;
}

/* Grid de Partes Clicáveis (Apenas onde o card é necessário!) */
.pe-parts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.pe-part-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: #ffffff;
  border: 1.5px solid var(--pe-border);
  border-radius: var(--pe-radius-md);
  cursor: pointer;
  text-align: left;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.pe-part-card:hover:not(:disabled) {
  border-color: var(--pe-indigo);
  background: var(--pe-indigo-light);
  transform: translateY(-1px);
}

.pe-part-checkbox {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 1.5px solid var(--pe-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: #ffffff;
  transition: all 0.15s ease;
}

.pe-part-checkbox .material-symbols-outlined {
  font-size: 1rem;
  color: #ffffff;
  display: none;
}

.pe-part-card:hover:not(:disabled) .pe-part-checkbox {
  border-color: var(--pe-indigo);
}

.pe-part-text {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--pe-text-primary);
  line-height: 1.4;
  margin: 0;
}

/* Estado Marcado pelo Usuário (Antes de Responder) */
.pe-part-card.checked {
  border-color: var(--pe-indigo) !important;
  background: var(--pe-indigo-light) !important;
}

.pe-part-card.checked .pe-part-checkbox {
  background: var(--pe-indigo) !important;
  border-color: var(--pe-indigo) !important;
}

.pe-part-card.checked .pe-part-checkbox .material-symbols-outlined {
  display: block;
}

/* Estados Pós-Resposta */
.pe-part-card.is-correct {
  border-color: var(--pe-emerald) !important;
  background: var(--pe-emerald-light) !important;
}

.pe-part-card.is-correct .pe-part-checkbox {
  background: var(--pe-emerald) !important;
  border-color: var(--pe-emerald) !important;
}

.pe-part-card.is-correct .pe-part-checkbox .material-symbols-outlined {
  display: block;
}

.pe-part-card.is-wrong {
  border-color: var(--pe-danger) !important;
  background: var(--pe-danger-light) !important;
}

.pe-part-card.is-wrong .pe-part-checkbox {
  background: var(--pe-danger) !important;
  border-color: var(--pe-danger) !important;
}

.pe-part-card.is-missed {
  border-color: var(--pe-amber) !important;
  border-style: dashed !important;
  background: #fffbeb !important;
}

/* Linha do Botão Responder */
.pe-submit-row {
  margin-top: 18px;
  display: flex;
  justify-content: flex-start;
}

.pe-btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 700;
  background: var(--pe-indigo);
  color: #ffffff;
  border: none;
  border-radius: var(--pe-radius-sm);
  padding: 10px 20px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.pe-btn-submit:hover:not(:disabled) {
  background: var(--pe-indigo-hover);
  transform: translateY(-1px);
}

.pe-btn-submit:disabled {
  background: #cbd5e1;
  color: #64748b;
  cursor: not-allowed;
  opacity: 0.6;
}

/* Card de Feedback Pós-Resposta */
.pe-answer-feedback {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--pe-radius-sm);
  animation: pe-fadeIn 0.25s ease;
}

.pe-answer-feedback.correct {
  background: var(--pe-emerald-light);
  border: 1px solid var(--pe-emerald-border);
  color: #065f46;
}

.pe-answer-feedback.wrong {
  background: var(--pe-danger-light);
  border: 1px solid var(--pe-danger-border);
  color: #991b1b;
}

.pe-feedback-content {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.pe-feedback-content .material-symbols-outlined {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.pe-feedback-text-wrap strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 2px;
}

.pe-feedback-text-wrap p {
  font-size: 0.88rem;
  line-height: 1.5;
  margin: 0;
}


/* O Resultado: Destravado */
.pe-result-section {
  border-top: 1px solid var(--pe-border);
  padding-top: 24px;
  margin-top: 24px;
  animation: pe-fadeIn 0.3s ease;
}

.pe-turbined-card {
  background: #0f172a;
  color: #f8fafc;
  border-radius: var(--pe-radius-md);
  padding: 18px 20px;
  margin-bottom: 20px;
}

.pe-turbined-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 8px;
}

.pe-turbined-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #86efac;
}

.pe-turbined-tag .material-symbols-outlined {
  font-size: 0.95rem;
}

.pe-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  background: #1e293b;
  color: #e2e8f0;
  border: 1px solid #334155;
  border-radius: 6px;
  padding: 5px 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pe-copy-btn:hover {
  background: var(--pe-indigo);
  border-color: var(--pe-indigo);
  color: #ffffff;
}

.pe-turbined-text {
  font-family: 'Courier New', Courier, monospace;
  font-size: 1rem;
  line-height: 1.55;
  color: #e2e8f0;
  margin: 0;
  white-space: pre-wrap;
}

/* Comparativo Antes vs Depois */
.pe-compare-wrap {
  margin-bottom: 24px;
}

.pe-compare-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--pe-text-primary);
  margin: 0 0 10px;
}

.pe-compare-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.pe-col-weak,
.pe-col-turbined {
  padding: 12px 14px;
  border-radius: var(--pe-radius-sm);
  font-size: 0.86rem;
  line-height: 1.5;
}

.pe-col-weak {
  background: #f8fafc;
  border-left: 3px solid var(--pe-amber);
}

.pe-col-weak p {
  color: var(--pe-text-secondary);
  margin: 4px 0 0;
}

.pe-col-turbined {
  background: #f0fdf4;
  border-left: 3px solid var(--pe-emerald);
}

.pe-col-turbined p {
  color: #14532d;
  margin: 4px 0 0;
}

.pe-col-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--pe-text-muted);
}

/* Botão Próximo */
.pe-next-row {
  display: flex;
  justify-content: flex-end;
}

.pe-btn-next {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  font-weight: 700;
  background: var(--pe-indigo);
  color: #ffffff;
  border: none;
  border-radius: var(--pe-radius-sm);
  padding: 12px 22px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.pe-btn-next:hover {
  background: var(--pe-indigo-hover);
  transform: translateY(-1px);
}

/* Modal Conclusão */
.pe-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(2px);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.pe-modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.pe-modal {
  background: #ffffff;
  border-radius: var(--pe-radius-lg);
  max-width: 480px;
  width: 100%;
  padding: 28px;
  text-align: center;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.1);
  transform: scale(0.96);
  transition: transform 0.2s ease;
}

.pe-modal-backdrop.active .pe-modal {
  transform: scale(1);
}

.pe-trophy-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: #fef3c7;
  color: #d97706;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pe-trophy-icon .material-symbols-outlined {
  font-size: 2rem;
}

.pe-modal-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--pe-text-primary);
  margin: 0 0 8px;
}

.pe-modal-desc {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--pe-text-secondary);
  margin: 0 0 20px;
}

.pe-modal-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.pe-btn-restart-modal,
.pe-btn-theory {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--pe-radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pe-btn-restart-modal {
  background: #f1f5f9;
  color: var(--pe-text-primary);
  border: 1px solid var(--pe-border);
}

.pe-btn-restart-modal:hover {
  background: #e2e8f0;
}

.pe-btn-theory {
  background: var(--pe-indigo);
  color: #ffffff;
  border: none;
}

.pe-btn-theory:hover {
  background: var(--pe-indigo-hover);
}

.pe-btn-cancel-modal,
.pe-btn-confirm-restart {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--pe-radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.pe-btn-cancel-modal {
  background: #f1f5f9;
  color: var(--pe-text-primary);
  border: 1px solid var(--pe-border);
}

.pe-btn-cancel-modal:hover {
  background: #e2e8f0;
}

.pe-btn-confirm-restart {
  background: var(--pe-danger);
  color: #ffffff;
  border: none;
}

.pe-btn-confirm-restart:hover {
  background: #dc2626;
}

/* Toast */
.pe-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #0f172a;
  color: #ffffff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  z-index: 2000;
  opacity: 0;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.pe-toast.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Animações e Responsividade */
@keyframes pe-fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
  .pe-workspace {
    padding: 20px 16px;
  }
  .pe-parts-grid {
    grid-template-columns: 1fr;
  }
  .pe-compare-columns {
    grid-template-columns: 1fr;
  }
  .pe-restart-label {
    display: none;
  }
  .pe-btn-next {
    width: 100%;
    justify-content: center;
  }
}