/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: #f5f6f8;
  color: #303133;
  line-height: 1.5;
  padding-bottom: 60px;
}

/* Utilitarios de visualización */
.oculta {
  display: none !important;
}

/* Cabecera */
.cabecera {
  background-color: #ffffff;
  border-bottom: 1px solid #dcdfe6;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.contenedor-titulo h1 {
  font-size: 20px;
  font-weight: 600;
  color: #1f2023;
}

.cabecera .subtitulo {
  font-size: 13px;
  color: #909399;
}

.usuario-info {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 14px;
  color: #606266;
}

/* Contenedor Principal */
.contenedor-principal {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
}

/* Tarjetas y Contenedores */
.modulo-tarjeta {
  background-color: #ffffff;
  border: 1px solid #dcdfe6;
  border-radius: 4px;
  padding: 24px;
  margin-bottom: 30px;
}

.modulo-cabecera {
  margin-bottom: 20px;
  border-bottom: 1px solid #f2f6fc;
  padding-bottom: 12px;
}

.modulo-cabecera h2 {
  font-size: 16px;
  font-weight: 600;
  color: #303133;
}

.modulo-cabecera p {
  font-size: 13px;
  color: #909399;
}

/* Formularios */
.formulario {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.campo-grupo {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.campo-grupo label {
  font-size: 12px;
  font-weight: 600;
  color: #606266;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.campo-grupo input,
.campo-grupo textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #dcdfe6;
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
  color: #303133;
  background-color: #fff;
  transition: border-color 0.2s;
}

.campo-grupo input:focus,
.campo-grupo textarea:focus {
  outline: none;
  border-color: #2f3542;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.2s, border-color 0.2s;
  font-family: inherit;
}

.btn-primario {
  background-color: #2f3542;
  color: #ffffff;
}

.btn-primario:hover {
  background-color: #1e222b;
}

.btn-secundario {
  background-color: #ffffff;
  border-color: #dcdfe6;
  color: #606266;
}

.btn-secundario:hover {
  background-color: #f5f7fa;
  color: #303133;
}

.btn-terciario {
  background-color: #f4f4f5;
  color: #909399;
  font-size: 12px;
  padding: 6px 12px;
}

.btn-terciario:hover {
  background-color: #e9e9eb;
  color: #606266;
}

/* Alertas */
.mensaje-alerta {
  padding: 10px 12px;
  border-radius: 4px;
  font-size: 13px;
  border: 1px solid transparent;
}

.mensaje-alerta.error {
  background-color: #fef0f0;
  color: #f56c6c;
  border-color: #fde2e2;
}

/* Estructura del Panel del Reto */
.modulo-reto {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.acciones-rapidas {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
}

/* Resultados */
.modulo-resultados {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
}

@media (max-width: 900px) {
  .modulo-resultados {
    grid-template-columns: 1fr;
  }
}

.grupo-visual-matrices {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.caja-matriz h3 {
  font-size: 13px;
  font-weight: 600;
  color: #606266;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Tablas Estilizadas */
.contenedor-tabla {
  width: 100%;
  overflow-x: auto;
  border: 1px solid #ebeef5;
  border-radius: 4px;
}

.tabla-matriz {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  text-align: right;
  background-color: #ffffff;
}

.tabla-matriz td {
  padding: 10px 14px;
  border: 1px solid #ebeef5;
  color: #303133;
  font-family: monospace;
}

.tabla-matriz tr:nth-child(even) {
  background-color: #fafafa;
}

/* Lista de Estadísticas */
.lista-estadisticas {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.item-estadistica {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid #f2f6fc;
}

.item-estadistica:last-child {
  border-bottom: none;
}

.item-estadistica .etiqueta {
  font-size: 13px;
  color: #606266;
}

.item-estadistica .valor {
  font-weight: 700;
  font-size: 14px;
  color: #303133;
}

.item-estadistica .valor.destacado {
  font-size: 16px;
  color: #1f2023;
  font-family: monospace;
}

.item-estadistica .valor.diagnostico {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

.diagnostico-verdadero {
  background-color: #e1f3d8;
  color: #67c23a;
}

.diagnostico-falso {
  background-color: #fef0f0;
  color: #f56c6c;
}

/* Pie de Página */
.pie-pagina {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #ffffff;
  border-top: 1px solid #dcdfe6;
  text-align: center;
  padding: 15px;
  font-size: 11px;
  color: #909399;
  z-index: 100;
}