/* ============================================================
   Simulador Modo Único - OS-020 (Corrigido)
   ============================================================ */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:#f8fafc;color:#1e293b;line-height:1.6}
.tela{display:none}.tela.ativa{display:block}

/* Seleção */
.container-selecao{max-width:900px;margin:40px auto;text-align:center;padding:20px}
.container-selecao h1{font-size:2.2rem;color:#0f172a;margin-bottom:8px}
.subtitulo{color:#64748b;margin-bottom:25px}
.cards-modo{display:flex;gap:20px;justify-content:center;margin-bottom:25px;flex-wrap:wrap}
.card-modo{background:#fff;border:2px solid #e2e8f0;border-radius:12px;padding:20px;width:300px;cursor:pointer;transition:all .2s;text-align:left}
.card-modo:hover,.card-modo.selecionado{border-color:#3b82f6;background:#eff6ff;transform:translateY(-2px)}
.card-icone{font-size:1.8rem;margin-bottom:8px}
.card-modo h2{margin-bottom:6px;color:#0f172a}
.card-modo ul{margin:8px 0 0 18px;color:#475569;font-size:.9rem}
.btn-iniciar{background:#2563eb;color:#fff;border:none;padding:13px 30px;font-size:1rem;border-radius:8px;cursor:pointer;transition:background .2s}
.btn-iniciar:disabled{background:#94a3b8;cursor:not-allowed}
.btn-iniciar:hover:not(:disabled){background:#1d4ed8}

/* Prova */
.container-prova{max-width:1200px;margin:0 auto;padding:20px}
.prova-header{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:12px 18px;border-radius:8px;margin-bottom:15px;box-shadow:0 1px 3px rgba(0,0,0,.1);flex-wrap:wrap;gap:10px}
.header-info{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.modo-badge{background:#dbeafe;color:#1e40af;padding:4px 10px;border-radius:6px;font-size:.85rem;font-weight:600}
#cronometro{font-family:monospace;font-size:1.1rem;color:#0f172a;font-weight:600}
.progresso-barra{height:6px;background:#e2e8f0;border-radius:3px;margin-bottom:10px}
.progresso-fill{height:100%;background:#3b82f6;border-radius:3px;transition:width .3s}
.progresso-info{font-size:.85rem;color:#64748b;margin-bottom:15px}

/* Layout */
.prova-layout{display:flex;gap:20px;align-items:flex-start}
.coluna-questao{flex:2;background:#fff;padding:25px;border-radius:10px;box-shadow:0 1px 3px rgba(0,0,0,.1)}
.coluna-estudo{flex:1;display:flex;flex-direction:column;gap:15px}

/* Questão */
.enunciado{margin-bottom:20px;font-size:1.05rem}
.enunciado p{margin-bottom:12px}
.tabela-questao{width:100%;border-collapse:collapse;margin:10px 0;font-size:.95rem}
.tabela-questao th,.tabela-questao td{border:1px solid #e2e8f0;padding:8px 12px;text-align:left}
.tabela-questao th{background:#f8fafc;font-weight:600}
.alternativas{margin:20px 0}
.alternativa{padding:12px 15px;margin:8px 0;background:#f8fafc;border:1px solid #e2e8f0;border-radius:6px;cursor:pointer;transition:all .15s}
.alternativa:hover{background:#eff6ff;border-color:#93c5fd}
.alternativa.selecionada{background:#dbeafe;border-color:#3b82f6}
.letra{font-weight:700;margin-right:8px;color:#0f172a}

/* Glossário Sensível */
.gkc-termo{background:#fef9c3;padding:1px 3px;border-radius:3px;border-bottom:2px dashed #ca8a04;cursor:pointer;transition:all .2s}
.gkc-termo:hover{background:#fef3c7;border-bottom-color:#d97706}
.gkc-termo.selecionado{background:#fde68a;border-bottom-color:#b45309}

/* Botões */
.botoes-navegacao{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.btn{padding:10px 20px;border:none;border-radius:6px;font-size:.95rem;cursor:pointer;font-weight:500;transition:all .2s}
.btn:hover:not(:disabled){transform:translateY(-1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:#2563eb;color:#fff}
.btn-secondary{background:#64748b;color:#fff}
.btn-danger{background:#ef4444;color:#fff}
.btn-warning{background:#f59e0b;color:#fff}

/* Modo Estudo */
.btn-comentario{background:#f59e0b;color:#fff;border:none;padding:10px 15px;border-radius:6px;cursor:pointer;font-weight:600;text-align:center}
.btn-comentario:hover{background:#d97706}
.painel-comentario{background:#fff;border-radius:8px;padding:15px;box-shadow:0 2px 6px rgba(0,0,0,.1);max-height:65vh;overflow-y:auto;display:none}
.comentario-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;border-bottom:1px solid #e2e8f0;padding-bottom:10px}
.btn-fechar{background:none;border:none;font-size:1.3rem;cursor:pointer;color:#64748b}
.comentario-secao{margin-bottom:15px}
.comentario-secao h4{font-size:.95rem;color:#0f172a;margin-bottom:5px}
.comentario-secao h5{font-size:.9rem;margin-bottom:5px}
.comentario-secao p{font-size:.9rem;color:#334155;line-height:1.5}
.alt-correta{background:#f0fdf4;border-left:3px solid #22c55e;padding:10px;border-radius:4px}
.alt-errada{background:#fef2f2;border-left:3px solid #ef4444;padding:10px;border-radius:4px}
.destaque{background:#eff6ff;border-left:3px solid #3b82f6;padding:10px;border-radius:4px}
.alerta{background:#fffbeb;border-left:3px solid #f59e0b;padding:10px;border-radius:4px}
.resumo{background:#faf5ff;border-left:3px solid #a855f7;padding:10px;border-radius:4px}

/* Modal Finalizar */
.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}
.modal-box{background:#fff;padding:25px;border-radius:12px;max-width:400px;width:90%;box-shadow:0 4px 12px rgba(0,0,0,.2);text-align:center}
.modal-box p{margin-bottom:20px;font-size:1.05rem}
.modal-btns{display:flex;gap:10px;justify-content:center}

/* Resultado */
.container-resultado{max-width:600px;margin:60px auto;text-align:center;background:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,.1)}
.resumo-resultado h2{font-size:2rem;color:#0f172a;margin-bottom:15px}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin:20px 0}
.stat-item{background:#f8fafc;padding:15px;border-radius:8px}
.stat-item strong{display:block;font-size:1.5rem;color:#2563eb}

@media(max-width:768px){.prova-layout{flex-direction:column}.coluna-estudo{width:100%}.cards-modo{flex-direction:column;align-items:center}}
/* Glossário Sensível */
.gkc-termo {
  background: #fef3c7;
  border-bottom: 2px dotted #f59e0b;
  cursor: pointer;
  padding: 0 2px;
  transition: all 0.2s;
}

.gkc-termo:hover {
  background: #fde68a;
  border-bottom-color: #d97706;
}